adjustment auth token with position

internal/domain/main-entities/installation-position/dto.go

@@ -0,0 +1,84 @@
+package installation_position
+
+import (
+	ecore "simrs-vx/internal/domain/base-entities/core"
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	ei "simrs-vx/internal/domain/main-entities/installation"
+)
+
+type CreateDto struct {
+	Installation_Id *uint16 `json:"installation_id" validate:"required"`
+	Code            string  `json:"code" validate:"maxLength=10;required"`
+	Name            string  `json:"name" validate:"maxLength=30;required"`
+	HeadStatus      bool    `json:"headStatus"`
+	Employee_Id     *uint   `json:"employee_id"`
+}
+
+type ReadListDto struct {
+	FilterDto
+	Includes   string `json:"includes"`
+	Sort       string `json:"sort"`
+	Pagination ecore.Pagination
+}
+
+type FilterDto struct {
+	Installation_Id *uint16 `json:"installation-id"`
+	Code            string  `json:"code"`
+	Name            string  `json:"name"`
+	HeadStatus      *bool   `json:"head-status"`
+	Employee_Id     *uint   `json:"employee-id"`
+	Search          string  `json:"search" gormhelper:"searchColumns=Code,Name"`
+}
+
+type ReadDetailDto struct {
+	Id   uint16  `json:"id"`
+	Code *string `json:"code"`
+}
+
+type UpdateDto struct {
+	Id uint16 `json:"id"`
+	CreateDto
+}
+
+type DeleteDto struct {
+	Id uint16 `json:"id"`
+}
+
+type MetaDto struct {
+	PageNumber int `json:"page_number"`
+	PageSize   int `json:"page_size"`
+	Count      int `json:"count"`
+}
+
+type ResponseDto struct {
+	ecore.SmallMain
+	Installation_Id *uint16          `json:"installation_id"`
+	Installation    *ei.Installation `json:"installation,omitempty"`
+	Code            string           `json:"code"`
+	Name            string           `json:"name"`
+	HeadStatus      bool             `json:"headStatus"`
+	Employee_Id     *uint            `json:"employee_id"`
+	Employee        *ee.Employee     `json:"employee,omitempty"`
+}
+
+func (d InstallationPosition) ToResponse() ResponseDto {
+	resp := ResponseDto{
+		Installation_Id: d.Installation_Id,
+		Installation:    d.Installation,
+		Code:            d.Code,
+		Name:            d.Name,
+		HeadStatus:      d.HeadStatus,
+		Employee_Id:     d.Employee_Id,
+		Employee:        d.Employee,
+	}
+	resp.SmallMain = d.SmallMain
+	return resp
+}
+
+func ToResponseList(data []InstallationPosition) []ResponseDto {
+	resp := make([]ResponseDto, len(data))
+	for i, u := range data {
+		resp[i] = u.ToResponse()
+	}
+	return resp
+}

internal/domain/main-entities/specialist-position/dto.go

@@ -0,0 +1,84 @@
+package specialist_position
+
+import (
+	ecore "simrs-vx/internal/domain/base-entities/core"
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	es "simrs-vx/internal/domain/main-entities/specialist"
+)
+
+type CreateDto struct {
+	Specialist_Id *uint16 `json:"specialist_id" validate:"required"`
+	Code          string  `json:"code" validate:"maxLength=10;required"`
+	Name          string  `json:"name" validate:"maxLength=30;required"`
+	HeadStatus    bool    `json:"headStatus"`
+	Employee_Id   *uint   `json:"employee_id"`
+}
+
+type ReadListDto struct {
+	FilterDto
+	Includes   string `json:"includes"`
+	Sort       string `json:"sort"`
+	Pagination ecore.Pagination
+}
+
+type FilterDto struct {
+	Specialist_Id *uint16 `json:"specialist-id"`
+	Code          string  `json:"code"`
+	Name          string  `json:"name"`
+	HeadStatus    *bool   `json:"head-status"`
+	Employee_Id   *uint   `json:"employee-id"`
+	Search        string  `json:"search" gormhelper:"searchColumns=Code,Name"`
+}
+
+type ReadDetailDto struct {
+	Id   uint16  `json:"id"`
+	Code *string `json:"code"`
+}
+
+type UpdateDto struct {
+	Id uint16 `json:"id"`
+	CreateDto
+}
+
+type DeleteDto struct {
+	Id uint16 `json:"id"`
+}
+
+type MetaDto struct {
+	PageNumber int `json:"page_number"`
+	PageSize   int `json:"page_size"`
+	Count      int `json:"count"`
+}
+
+type ResponseDto struct {
+	ecore.SmallMain
+	Specialist_Id *uint16        `json:"specialist_id"`
+	Specialist    *es.Specialist `json:"specialist,omitempty"`
+	Code          string         `json:"code"`
+	Name          string         `json:"name"`
+	HeadStatus    bool           `json:"headStatus"`
+	Employee_Id   *uint          `json:"employee_id"`
+	Employee      *ee.Employee   `json:"employee,omitempty"`
+}
+
+func (d SpecialistPosition) ToResponse() ResponseDto {
+	resp := ResponseDto{
+		Specialist_Id: d.Specialist_Id,
+		Specialist:    d.Specialist,
+		Code:          d.Code,
+		Name:          d.Name,
+		HeadStatus:    d.HeadStatus,
+		Employee_Id:   d.Employee_Id,
+		Employee:      d.Employee,
+	}
+	resp.SmallMain = d.SmallMain
+	return resp
+}
+
+func ToResponseList(data []SpecialistPosition) []ResponseDto {
+	resp := make([]ResponseDto, len(data))
+	for i, u := range data {
+		resp[i] = u.ToResponse()
+	}
+	return resp
+}

internal/domain/main-entities/subspecialist-position/dto.go

@@ -0,0 +1,84 @@
+package subspecialist_position
+
+import (
+	ecore "simrs-vx/internal/domain/base-entities/core"
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	es "simrs-vx/internal/domain/main-entities/subspecialist"
+)
+
+type CreateDto struct {
+	Subspecialist_Id *uint16 `json:"subspecialist_id" validate:"required"`
+	Code             string  `json:"code" validate:"maxLength=10;required"`
+	Name             string  `json:"name" validate:"maxLength=30;required"`
+	HeadStatus       bool    `json:"headStatus"`
+	Employee_Id      *uint   `json:"employee_id"`
+}
+
+type ReadListDto struct {
+	FilterDto
+	Includes   string `json:"includes"`
+	Sort       string `json:"sort"`
+	Pagination ecore.Pagination
+}
+
+type FilterDto struct {
+	Subspecialist_Id *uint16 `json:"subspecialist-id"`
+	Code             string  `json:"code"`
+	Name             string  `json:"name"`
+	HeadStatus       *bool   `json:"head-status"`
+	Employee_Id      *uint   `json:"employee-id"`
+	Search           string  `json:"search" gormhelper:"searchColumns=Code,Name"`
+}
+
+type ReadDetailDto struct {
+	Id   uint16  `json:"id"`
+	Code *string `json:"code"`
+}
+
+type UpdateDto struct {
+	Id uint16 `json:"id"`
+	CreateDto
+}
+
+type DeleteDto struct {
+	Id uint16 `json:"id"`
+}
+
+type MetaDto struct {
+	PageNumber int `json:"page_number"`
+	PageSize   int `json:"page_size"`
+	Count      int `json:"count"`
+}
+
+type ResponseDto struct {
+	ecore.SmallMain
+	Subspecialist_Id *uint16           `json:"subspecialist_id"`
+	Subspecialist    *es.Subspecialist `json:"subspecialist,omitempty"`
+	Code             string            `json:"code"`
+	Name             string            `json:"name"`
+	HeadStatus       bool              `json:"headStatus"`
+	Employee_Id      *uint             `json:"employee_id"`
+	Employee         *ee.Employee      `json:"employee,omitempty"`
+}
+
+func (d SubspecialistPosition) ToResponse() ResponseDto {
+	resp := ResponseDto{
+		Subspecialist_Id: d.Subspecialist_Id,
+		Subspecialist:    d.Subspecialist,
+		Code:             d.Code,
+		Name:             d.Name,
+		HeadStatus:       d.HeadStatus,
+		Employee_Id:      d.Employee_Id,
+		Employee:         d.Employee,
+	}
+	resp.SmallMain = d.SmallMain
+	return resp
+}
+
+func ToResponseList(data []SubspecialistPosition) []ResponseDto {
+	resp := make([]ResponseDto, len(data))
+	for i, u := range data {
+		resp[i] = u.ToResponse()
+	}
+	return resp
+}

internal/domain/main-entities/unit-position/dto.go

@@ -0,0 +1,84 @@
+package unit_position
+
+import (
+	ecore "simrs-vx/internal/domain/base-entities/core"
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	eu "simrs-vx/internal/domain/main-entities/unit"
+)
+
+type CreateDto struct {
+	Unit_Id     *uint16 `json:"unit_id" validate:"required"`
+	Code        string  `json:"code" validate:"maxLength=10;required"`
+	Name        string  `json:"name" validate:"maxLength=30;required"`
+	HeadStatus  bool    `json:"headStatus"`
+	Employee_Id *uint   `json:"employee_id"`
+}
+
+type ReadListDto struct {
+	FilterDto
+	Includes   string `json:"includes"`
+	Sort       string `json:"sort"`
+	Pagination ecore.Pagination
+}
+
+type FilterDto struct {
+	Unit_Id     *uint16 `json:"unit-id"`
+	Code        string  `json:"code"`
+	Name        string  `json:"name"`
+	HeadStatus  *bool   `json:"head-status"`
+	Employee_Id *uint   `json:"employee-id"`
+	Search      string  `json:"search" gormhelper:"searchColumns=Code,Name"`
+}
+
+type ReadDetailDto struct {
+	Id   uint16  `json:"id"`
+	Code *string `json:"code"`
+}
+
+type UpdateDto struct {
+	Id uint16 `json:"id"`
+	CreateDto
+}
+
+type DeleteDto struct {
+	Id uint16 `json:"id"`
+}
+
+type MetaDto struct {
+	PageNumber int `json:"page_number"`
+	PageSize   int `json:"page_size"`
+	Count      int `json:"count"`
+}
+
+type ResponseDto struct {
+	ecore.SmallMain
+	Unit_Id     *uint16      `json:"unit_id"`
+	Unit        *eu.Unit     `json:"unit,omitempty"`
+	Code        string       `json:"code"`
+	Name        string       `json:"name"`
+	HeadStatus  bool         `json:"headStatus"`
+	Employee_Id *uint        `json:"employee_id"`
+	Employee    *ee.Employee `json:"employee,omitempty"`
+}
+
+func (d UnitPosition) ToResponse() ResponseDto {
+	resp := ResponseDto{
+		Unit_Id:     d.Unit_Id,
+		Unit:        d.Unit,
+		Code:        d.Code,
+		Name:        d.Name,
+		HeadStatus:  d.HeadStatus,
+		Employee_Id: d.Employee_Id,
+		Employee:    d.Employee,
+	}
+	resp.SmallMain = d.SmallMain
+	return resp
+}
+
+func ToResponseList(data []UnitPosition) []ResponseDto {
+	resp := make([]ResponseDto, len(data))
+	for i, u := range data {
+		resp[i] = u.ToResponse()
+	}
+	return resp
+}

internal/interface/main-handler/installation-position/handler.go

@@ -0,0 +1,71 @@
+package installation_position
+
+import (
+	"net/http"
+
+	rw "github.com/karincake/risoles"
+	sf "github.com/karincake/semprit"
+
+	// ua "github.com/karincake/tumpeng/auth/svc"
+
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+	u "simrs-vx/internal/use-case/main-use-case/installation-position"
+)
+
+type myBase struct{}
+
+var O myBase
+
+func (obj myBase) Create(w http.ResponseWriter, r *http.Request) {
+	dto := e.CreateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	res, err := u.Create(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetList(w http.ResponseWriter, r *http.Request) {
+	dto := e.ReadListDto{}
+	sf.UrlQueryParam(&dto, *r.URL)
+	res, err := u.ReadList(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetDetail(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+	dto := e.ReadDetailDto{}
+	dto.Id = uint16(id)
+	res, err := u.ReadDetail(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Update(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.UpdateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	dto.Id = uint16(id)
+	res, err := u.Update(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Delete(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.DeleteDto{}
+	dto.Id = uint16(id)
+	res, err := u.Delete(dto)
+	rw.DataResponse(w, res, err)
+}

internal/interface/main-handler/main-handler.go

@@ -70,6 +70,7 @@ import (
 	ethnic "simrs-vx/internal/interface/main-handler/ethnic"
 	infra "simrs-vx/internal/interface/main-handler/infra"
 	installation "simrs-vx/internal/interface/main-handler/installation"
+	installationposition "simrs-vx/internal/interface/main-handler/installation-position"
 	insurancecompany "simrs-vx/internal/interface/main-handler/insurance-company"
 	item "simrs-vx/internal/interface/main-handler/item"
 	itemprice "simrs-vx/internal/interface/main-handler/item-price"
@@ -86,8 +87,11 @@ import (
 	pharmacycompany "simrs-vx/internal/interface/main-handler/pharmacy-company"
 	proceduresrc "simrs-vx/internal/interface/main-handler/procedure-src"
 	specialist "simrs-vx/internal/interface/main-handler/specialist"
+	specialistposition "simrs-vx/internal/interface/main-handler/specialist-position"
 	subspecialist "simrs-vx/internal/interface/main-handler/subspecialist"
+	subspecialistposition "simrs-vx/internal/interface/main-handler/subspecialist-position"
 	unit "simrs-vx/internal/interface/main-handler/unit"
+	unitposition "simrs-vx/internal/interface/main-handler/unit-position"
 	uom "simrs-vx/internal/interface/main-handler/uom"
 	vehicle "simrs-vx/internal/interface/main-handler/vehicle"
 	vehiclehist "simrs-vx/internal/interface/main-handler/vehicle-hist"
@@ -305,6 +309,10 @@ func SetRoutes() http.Handler {
 	hc.RegCrud(r, "/v1/vehicle", vehicle.O)
 	hc.RegCrud(r, "/v1/vehicle-hist", vehiclehist.O)
 	hc.RegCrud(r, "/v1/edu-assessment", eduassesment.O)
+	hc.RegCrud(r, "/v1/installation-position", installationposition.O)
+	hc.RegCrud(r, "/v1/unit-position", unitposition.O)
+	hc.RegCrud(r, "/v1/specialist-position", specialistposition.O)
+	hc.RegCrud(r, "/v1/subspecialist-position", subspecialistposition.O)
 
 	hc.RegCrud(r, "/v1/village", village.O)
 	hc.RegCrud(r, "/v1/district", district.O)

internal/interface/main-handler/specialist-position/handler.go

@@ -0,0 +1,71 @@
+package divisionposition
+
+import (
+	"net/http"
+
+	rw "github.com/karincake/risoles"
+	sf "github.com/karincake/semprit"
+
+	// ua "github.com/karincake/tumpeng/auth/svc"
+
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+	u "simrs-vx/internal/use-case/main-use-case/specialist-position"
+)
+
+type myBase struct{}
+
+var O myBase
+
+func (obj myBase) Create(w http.ResponseWriter, r *http.Request) {
+	dto := e.CreateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	res, err := u.Create(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetList(w http.ResponseWriter, r *http.Request) {
+	dto := e.ReadListDto{}
+	sf.UrlQueryParam(&dto, *r.URL)
+	res, err := u.ReadList(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetDetail(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+	dto := e.ReadDetailDto{}
+	dto.Id = uint16(id)
+	res, err := u.ReadDetail(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Update(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.UpdateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	dto.Id = uint16(id)
+	res, err := u.Update(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Delete(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.DeleteDto{}
+	dto.Id = uint16(id)
+	res, err := u.Delete(dto)
+	rw.DataResponse(w, res, err)
+}

internal/interface/main-handler/subspecialist-position/handler.go

@@ -0,0 +1,71 @@
+package divisionposition
+
+import (
+	"net/http"
+
+	rw "github.com/karincake/risoles"
+	sf "github.com/karincake/semprit"
+
+	// ua "github.com/karincake/tumpeng/auth/svc"
+
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+	u "simrs-vx/internal/use-case/main-use-case/subspecialist-position"
+)
+
+type myBase struct{}
+
+var O myBase
+
+func (obj myBase) Create(w http.ResponseWriter, r *http.Request) {
+	dto := e.CreateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	res, err := u.Create(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetList(w http.ResponseWriter, r *http.Request) {
+	dto := e.ReadListDto{}
+	sf.UrlQueryParam(&dto, *r.URL)
+	res, err := u.ReadList(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetDetail(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+	dto := e.ReadDetailDto{}
+	dto.Id = uint16(id)
+	res, err := u.ReadDetail(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Update(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.UpdateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	dto.Id = uint16(id)
+	res, err := u.Update(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Delete(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.DeleteDto{}
+	dto.Id = uint16(id)
+	res, err := u.Delete(dto)
+	rw.DataResponse(w, res, err)
+}

internal/interface/main-handler/unit-position/handler.go

@@ -0,0 +1,71 @@
+package unit_position
+
+import (
+	"net/http"
+
+	rw "github.com/karincake/risoles"
+	sf "github.com/karincake/semprit"
+
+	// ua "github.com/karincake/tumpeng/auth/svc"
+
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+	u "simrs-vx/internal/use-case/main-use-case/unit-position"
+)
+
+type myBase struct{}
+
+var O myBase
+
+func (obj myBase) Create(w http.ResponseWriter, r *http.Request) {
+	dto := e.CreateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	res, err := u.Create(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetList(w http.ResponseWriter, r *http.Request) {
+	dto := e.ReadListDto{}
+	sf.UrlQueryParam(&dto, *r.URL)
+	res, err := u.ReadList(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) GetDetail(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+	dto := e.ReadDetailDto{}
+	dto.Id = uint16(id)
+	res, err := u.ReadDetail(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Update(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.UpdateDto{}
+	if res := rw.ValidateStructByIOR(w, r.Body, &dto); !res {
+		return
+	}
+	dto.Id = uint16(id)
+	res, err := u.Update(dto)
+	rw.DataResponse(w, res, err)
+}
+
+func (obj myBase) Delete(w http.ResponseWriter, r *http.Request) {
+	id := rw.ValidateInt(w, "id", r.PathValue("id"))
+	if id <= 0 {
+		return
+	}
+
+	dto := e.DeleteDto{}
+	dto.Id = uint16(id)
+	res, err := u.Delete(dto)
+	rw.DataResponse(w, res, err)
+}

internal/use-case/main-use-case/authentication/case.go

@@ -155,12 +155,44 @@ func GenToken(input eu.LoginDto) (*d.Data, error) {
 				atClaims["nurse_id"] = nurse.Id
 				outputData["nurse_id"] = nurse.Id
 			}
+
+			errorGetPosition := d.FieldErrors{"authentication": d.FieldError{Code: "auth-getData-failed", Message: el.GenMessage("auth-getData-failed")}}
+
 			// division position
 			divsionPositions, err := getDivisionPosition(employee.Id)
 			if err != nil {
-				return nil, d.FieldErrors{"authentication": d.FieldError{Code: "auth-getData-failed", Message: el.GenMessage("auth-getData-failed")}}
+				return nil, errorGetPosition
 			}
+
+			// installation position
+			installationPositions, err := getInstallationPosition(employee.Id)
+			if err != nil {
+				return nil, errorGetPosition
+			}
+
+			// unit position
+			unitPositions, err := getUnitPosition(employee.Id)
+			if err != nil {
+				return nil, errorGetPosition
+			}
+
+			// specialist position
+			specialistPositions, err := getSpecialistPosition(employee.Id)
+			if err != nil {
+				return nil, errorGetPosition
+			}
+
+			// subspecialist position
+			subspecialistPositions, err := getSubspecialistPosition(employee.Id)
+			if err != nil {
+				return nil, errorGetPosition
+			}
+
 			role = append(role, divsionPositions...)
+			role = append(role, installationPositions...)
+			role = append(role, unitPositions...)
+			role = append(role, specialistPositions...)
+			role = append(role, subspecialistPositions...)
 			// atClaims["division_positions"] = divsionPositions
 			// outputData["division_positions"] = divsionPositions
 		}

internal/use-case/main-use-case/authentication/helper.go

@@ -2,9 +2,18 @@ package authentication
 
 import (
 	edp "simrs-vx/internal/domain/main-entities/division-position"
+	eip "simrs-vx/internal/domain/main-entities/installation-position"
+	esp "simrs-vx/internal/domain/main-entities/specialist-position"
+	essp "simrs-vx/internal/domain/main-entities/subspecialist-position"
+	eup "simrs-vx/internal/domain/main-entities/unit-position"
+
+	udp "simrs-vx/internal/use-case/main-use-case/division-position"
+	uip "simrs-vx/internal/use-case/main-use-case/installation-position"
+	usp "simrs-vx/internal/use-case/main-use-case/specialist-position"
+	ussp "simrs-vx/internal/use-case/main-use-case/subspecialist-position"
+	uup "simrs-vx/internal/use-case/main-use-case/unit-position"
 
 	dg "github.com/karincake/apem/db-gorm-pg"
-	"gorm.io/gorm"
 )
 
 // just return the error code
@@ -34,21 +43,129 @@ func getDivisionPosition(employee_id uint) ([]string, error) {
 	// 	return result, errors.New("no employee found")
 	// }
 
-	var divisionPositions []edp.DivisionPosition
+	//var divisionPositions []edp.DivisionPosition
-	err := dg.I.
+	//err := dg.I.
-		Preload("Division").
+	//	Preload("Division").
-		Where("\"Employee_Id\" = ?", employee_id).
+	//	Where("\"Employee_Id\" = ?", employee_id).
-		Find(&divisionPositions).Error
+	//	Find(&divisionPositions).Error
+	//if err != nil {
+	//	if err == gorm.ErrRecordNotFound {
+	//		return result, nil
+	//	}
+	//	return result, err
+	//}
+
+	// get data division_position based on employee_id
+	dataDivisionPosition, err := udp.ReadList(edp.ReadListDto{
+		FilterDto: edp.FilterDto{Employee_Id: &employee_id},
+		Includes:  "division"})
 	if err != nil {
-		if err == gorm.ErrRecordNotFound {
+		return nil, err
-			return result, nil
-		}
-		return result, err
 	}
 
-	for _, dp := range divisionPositions {
+	if list, ok := dataDivisionPosition.Data.([]edp.ResponseDto); ok {
-		if dp.Division != nil {
+		if len(list) > 0 {
-			result = append(result, "div-"+dp.Division.Code+"-"+dp.Code)
+			for _, dp := range list {
+				if dp.Division != nil {
+					result = append(result, "div-"+dp.Division.Code+"-"+dp.Code)
+				}
+			}
+		}
+	}
+
+	return result, nil
+}
+
+func getInstallationPosition(employeeId uint) ([]string, error) {
+	var result []string
+
+	// get data unit_position based on employee_id
+	dataInstallationPosition, err := uip.ReadList(eip.ReadListDto{
+		FilterDto: eip.FilterDto{Employee_Id: &employeeId},
+		Includes:  "installation"})
+	if err != nil {
+		return nil, err
+	}
+
+	if list, ok := dataInstallationPosition.Data.([]eip.ResponseDto); ok {
+		if len(list) > 0 {
+			for _, dp := range list {
+				if dp.Installation != nil {
+					result = append(result, "inst-"+dp.Installation.Code+"-"+dp.Code)
+				}
+			}
+		}
+	}
+
+	return result, nil
+}
+
+func getUnitPosition(employeeId uint) ([]string, error) {
+	var result []string
+
+	// get data unit_position based on employee_id
+	dataUnitPosition, err := uup.ReadList(eup.ReadListDto{
+		FilterDto: eup.FilterDto{Employee_Id: &employeeId},
+		Includes:  "unit"})
+	if err != nil {
+		return nil, err
+	}
+
+	if list, ok := dataUnitPosition.Data.([]eup.ResponseDto); ok {
+		if len(list) > 0 {
+			for _, dp := range list {
+				if dp.Unit != nil {
+					result = append(result, "unit-"+dp.Unit.Code+"-"+dp.Code)
+				}
+			}
+		}
+	}
+
+	return result, nil
+}
+
+func getSpecialistPosition(employeeId uint) ([]string, error) {
+	var result []string
+
+	// get data unit_position based on employee_id
+	dataSpecialistPosition, err := usp.ReadList(esp.ReadListDto{
+		FilterDto: esp.FilterDto{Employee_Id: &employeeId},
+		Includes:  "specialist"})
+	if err != nil {
+		return nil, err
+	}
+
+	if list, ok := dataSpecialistPosition.Data.([]esp.ResponseDto); ok {
+		if len(list) > 0 {
+			for _, dp := range list {
+				if dp.Specialist != nil {
+					result = append(result, "spec-"+dp.Specialist.Code+"-"+dp.Code)
+				}
+			}
+		}
+	}
+
+	return result, nil
+}
+
+func getSubspecialistPosition(employeeId uint) ([]string, error) {
+	var result []string
+
+	// get data unit_position based on employee_id
+	dataSubspecialistPosition, err := ussp.ReadList(essp.ReadListDto{
+		FilterDto: essp.FilterDto{Employee_Id: &employeeId},
+		Includes:  "subspecialist"})
+	if err != nil {
+		return nil, err
+	}
+
+	if list, ok := dataSubspecialistPosition.Data.([]essp.ResponseDto); ok {
+		if len(list) > 0 {
+			for _, dp := range list {
+				if dp.Subspecialist != nil {
+					result = append(result, "subspec-"+dp.Subspecialist.Code+"-"+dp.Code)
+				}
+			}
 		}
 	}
 

internal/use-case/main-use-case/installation-position/case.go

@@ -0,0 +1,302 @@
+package installation_position
+
+import (
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	ei "simrs-vx/internal/domain/main-entities/installation"
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+	"strconv"
+
+	ue "simrs-vx/internal/use-case/main-use-case/employee"
+	ui "simrs-vx/internal/use-case/main-use-case/installation"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	d "github.com/karincake/dodol"
+
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+const source = "installation-position"
+
+func Create(input e.CreateDto) (*d.Data, error) {
+	data := e.InstallationPosition{}
+
+	event := pl.Event{
+		Feature: "Create",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "create")
+
+	err := dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunCreateMiddleware(createPreMw, &input, &data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input); err != nil {
+			return err
+		}
+
+		if resData, err := CreateData(input, &event, tx); err != nil {
+			return err
+		} else {
+			data = *resData
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunCreateMiddleware(createPostMw, &input, &data); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.II{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "created",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func ReadList(input e.ReadListDto) (*d.Data, error) {
+	var data *e.InstallationPosition
+	var dataList []e.InstallationPosition
+	var metaList *e.MetaDto
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadList",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readList")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if dataList, metaList, err = ReadListData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":              source,
+			"structure":           "list-data",
+			"status":              "fetched",
+			"page_number":         strconv.Itoa(metaList.PageNumber),
+			"page_size":           strconv.Itoa(metaList.PageSize),
+			"record_totalCount":   strconv.Itoa(metaList.Count),
+			"record_currentCount": strconv.Itoa(len(dataList)),
+		},
+		Data: e.ToResponseList(dataList),
+	}, nil
+}
+
+func ReadDetail(input e.ReadDetailDto) (*d.Data, error) {
+	var data *e.InstallationPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadDetail",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readDetail")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if data, err = ReadDetailData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "fetched",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func Update(input e.UpdateDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.InstallationPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Update",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "update")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input.CreateDto); err != nil {
+			return err
+		}
+
+		if err := UpdateData(input, data, &event, tx); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "updated",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func Delete(input e.DeleteDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.InstallationPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Delete",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "delete")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := DeleteData(data, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "deleted",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func validateForeignKey(input e.CreateDto) error {
+	// validate installation_id
+	if _, err := ui.ReadDetail(ei.ReadDetailDto{Id: *input.Installation_Id}); err != nil {
+		return err
+	}
+
+	// validate employee_Id
+	if _, err := ue.ReadDetail(ee.ReadDetailDto{Id: uint16(*input.Employee_Id)}); err != nil {
+		return err
+	}
+	return nil
+}

internal/use-case/main-use-case/installation-position/helper.go

@@ -0,0 +1,25 @@
+/*
+DESCRIPTION:
+Any functions that are used internally by the use-case
+*/
+package installation_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+)
+
+func setData[T *e.CreateDto | *e.UpdateDto](input T, data *e.InstallationPosition) {
+	var inputSrc *e.CreateDto
+	if inputT, ok := any(input).(*e.CreateDto); ok {
+		inputSrc = inputT
+	} else {
+		inputTemp := any(input).(*e.UpdateDto)
+		inputSrc = &inputTemp.CreateDto
+	}
+
+	data.Installation_Id = inputSrc.Installation_Id
+	data.Code = inputSrc.Code
+	data.Name = inputSrc.Name
+	data.HeadStatus = inputSrc.HeadStatus
+	data.Employee_Id = inputSrc.Employee_Id
+}

internal/use-case/main-use-case/installation-position/lib.go

@@ -0,0 +1,156 @@
+package installation_position
+
+import (
+	"errors"
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+
+	plh "simrs-vx/pkg/lib-helper"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	gh "github.com/karincake/getuk"
+	"gorm.io/gorm"
+)
+
+func CreateData(input e.CreateDto, event *pl.Event, dbx ...*gorm.DB) (*e.InstallationPosition, error) {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := e.InstallationPosition{}
+	setData(&input, &data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Create(&data).Error; err != nil {
+		return nil, plh.HandleCreateError(input, event, err)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func ReadListData(input e.ReadListDto, event *pl.Event, dbx ...*gorm.DB) ([]e.InstallationPosition, *e.MetaDto, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadList")
+	data := []e.InstallationPosition{}
+	pagination := gh.Pagination{}
+	count := int64(0)
+	meta := e.MetaDto{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	tx = tx.
+		Model(&e.InstallationPosition{}).
+		Scopes(gh.Preload(input.Includes)).
+		Scopes(gh.Filter(input.FilterDto)).
+		Count(&count).
+		Scopes(gh.Paginate(input, &pagination)).
+		Scopes(gh.Sort(input.Sort))
+
+	if err := tx.Find(&data).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, &meta, nil
+		}
+		return nil, nil, plh.HandleListError(input, event, err)
+	}
+
+	meta.Count = int(count)
+	meta.PageNumber = pagination.PageNumber
+	meta.PageSize = pagination.PageSize
+
+	pl.SetLogInfo(event, nil, "complete")
+	return data, &meta, nil
+}
+
+func ReadDetailData(input e.ReadDetailDto, event *pl.Event, dbx ...*gorm.DB) (*e.InstallationPosition, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadDetail")
+	data := e.InstallationPosition{}
+
+	var tx, getData *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	switch {
+	case input.Id != 0:
+		getData = tx.First(&data, input.Id)
+	case input.Code != nil && *input.Code != "":
+		getData = tx.Where("code = ?", *input.Code).First(&data)
+	default:
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-read-detail-fail",
+			Detail: "either Id or Code must be provided",
+		}
+
+		return nil, pl.SetLogError(event, nil)
+	}
+
+	if err := getData.Error; err != nil {
+		if processedErr := pu.HandleReadError(err, event, source, input.Id, data); processedErr != nil {
+			return nil, processedErr
+		}
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func UpdateData(input e.UpdateDto, data *e.InstallationPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBUpdate")
+	setData(&input, data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Save(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-update-fail",
+			Detail: "Database update failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, input)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}
+
+func DeleteData(data *e.InstallationPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBDelete")
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Delete(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-delete-fail",
+			Detail: "Database delete failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, data)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}

internal/use-case/main-use-case/installation-position/middleware-runner.go

@@ -0,0 +1,103 @@
+package installation_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+type middlewareRunner struct {
+	Event  *pl.Event
+	Tx     *gorm.DB
+	MwType pu.MWType
+}
+
+// NewMiddlewareExecutor creates a new middleware executor
+func newMiddlewareRunner(event *pl.Event, tx *gorm.DB) *middlewareRunner {
+	return &middlewareRunner{
+		Event: event,
+		Tx:    tx,
+	}
+}
+
+// ExecuteCreateMiddleware executes create middleware
+func (me *middlewareRunner) RunCreateMiddleware(middlewares []createMw, input *e.CreateDto, data *e.InstallationPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadListMiddleware(middlewares []readListMw, input *e.ReadListDto, data *e.InstallationPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadDetailMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.InstallationPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunUpdateMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.InstallationPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunDeleteMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.InstallationPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) setMwType(mwType pu.MWType) {
+	me.MwType = mwType
+}

internal/use-case/main-use-case/installation-position/middleware.go

@@ -0,0 +1,9 @@
+package installation_position
+
+// example of middleware
+// func init() {
+// 	createPreMw = append(createPreMw,
+// 		CreateMw{Name: "modif-input", Func: pm.ModifInput},
+// 		CreateMw{Name: "check-data", Func: pm.CheckData},
+// 	)
+// }

internal/use-case/main-use-case/installation-position/tycovar.go

@@ -0,0 +1,44 @@
+/*
+DESCRIPTION:
+A sample, part of the package that contains type, constants, and/or variables.
+
+In this sample it also provides type and variable regarding the needs of the
+middleware to separate from main use-case which has the basic CRUD
+functionality. The purpose of this is to make the code more maintainable.
+*/
+package installation_position
+
+import (
+	"gorm.io/gorm"
+
+	e "simrs-vx/internal/domain/main-entities/installation-position"
+)
+
+type createMw struct {
+	Name string
+	Func func(input *e.CreateDto, data *e.InstallationPosition, tx *gorm.DB) error
+}
+
+type readListMw struct {
+	Name string
+	Func func(input *e.ReadListDto, data *e.InstallationPosition, tx *gorm.DB) error
+}
+
+type readDetailMw struct {
+	Name string
+	Func func(input *e.ReadDetailDto, data *e.InstallationPosition, tx *gorm.DB) error
+}
+
+type UpdateMw = readDetailMw
+type DeleteMw = readDetailMw
+
+var createPreMw []createMw      // preprocess middleware
+var createPostMw []createMw     // postprocess middleware
+var readListPreMw []readListMw  // ..
+var readListPostMw []readListMw // ..
+var readDetailPreMw []readDetailMw
+var readDetailPostMw []readDetailMw
+var updatePreMw []readDetailMw
+var updatePostMw []readDetailMw
+var deletePreMw []readDetailMw
+var deletePostMw []readDetailMw

internal/use-case/main-use-case/specialist-position/case.go

@@ -0,0 +1,302 @@
+package specialist_position
+
+import (
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	es "simrs-vx/internal/domain/main-entities/specialist"
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+	"strconv"
+
+	ue "simrs-vx/internal/use-case/main-use-case/employee"
+	us "simrs-vx/internal/use-case/main-use-case/specialist"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	d "github.com/karincake/dodol"
+
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+const source = "specialist-position"
+
+func Create(input e.CreateDto) (*d.Data, error) {
+	data := e.SpecialistPosition{}
+
+	event := pl.Event{
+		Feature: "Create",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "create")
+
+	err := dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunCreateMiddleware(createPreMw, &input, &data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input); err != nil {
+			return err
+		}
+
+		if resData, err := CreateData(input, &event, tx); err != nil {
+			return err
+		} else {
+			data = *resData
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunCreateMiddleware(createPostMw, &input, &data); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.II{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "created",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func ReadList(input e.ReadListDto) (*d.Data, error) {
+	var data *e.SpecialistPosition
+	var dataList []e.SpecialistPosition
+	var metaList *e.MetaDto
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadList",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readList")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if dataList, metaList, err = ReadListData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":              source,
+			"structure":           "list-data",
+			"status":              "fetched",
+			"page_number":         strconv.Itoa(metaList.PageNumber),
+			"page_size":           strconv.Itoa(metaList.PageSize),
+			"record_totalCount":   strconv.Itoa(metaList.Count),
+			"record_currentCount": strconv.Itoa(len(dataList)),
+		},
+		Data: e.ToResponseList(dataList),
+	}, nil
+}
+
+func ReadDetail(input e.ReadDetailDto) (*d.Data, error) {
+	var data *e.SpecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadDetail",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readDetail")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if data, err = ReadDetailData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "fetched",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func Update(input e.UpdateDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.SpecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Update",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "update")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input.CreateDto); err != nil {
+			return err
+		}
+
+		if err := UpdateData(input, data, &event, tx); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "updated",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func Delete(input e.DeleteDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.SpecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Delete",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "delete")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := DeleteData(data, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "deleted",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func validateForeignKey(input e.CreateDto) error {
+	// validate installation_id
+	if _, err := us.ReadDetail(es.ReadDetailDto{Id: *input.Specialist_Id}); err != nil {
+		return err
+	}
+
+	// validate employee_Id
+	if _, err := ue.ReadDetail(ee.ReadDetailDto{Id: uint16(*input.Employee_Id)}); err != nil {
+		return err
+	}
+	return nil
+}

internal/use-case/main-use-case/specialist-position/helper.go

@@ -0,0 +1,25 @@
+/*
+DESCRIPTION:
+Any functions that are used internally by the use-case
+*/
+package specialist_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+)
+
+func setData[T *e.CreateDto | *e.UpdateDto](input T, data *e.SpecialistPosition) {
+	var inputSrc *e.CreateDto
+	if inputT, ok := any(input).(*e.CreateDto); ok {
+		inputSrc = inputT
+	} else {
+		inputTemp := any(input).(*e.UpdateDto)
+		inputSrc = &inputTemp.CreateDto
+	}
+
+	data.Specialist_Id = inputSrc.Specialist_Id
+	data.Code = inputSrc.Code
+	data.Name = inputSrc.Name
+	data.HeadStatus = inputSrc.HeadStatus
+	data.Employee_Id = inputSrc.Employee_Id
+}

internal/use-case/main-use-case/specialist-position/lib.go

@@ -0,0 +1,156 @@
+package specialist_position
+
+import (
+	"errors"
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+
+	plh "simrs-vx/pkg/lib-helper"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	gh "github.com/karincake/getuk"
+	"gorm.io/gorm"
+)
+
+func CreateData(input e.CreateDto, event *pl.Event, dbx ...*gorm.DB) (*e.SpecialistPosition, error) {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := e.SpecialistPosition{}
+	setData(&input, &data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Create(&data).Error; err != nil {
+		return nil, plh.HandleCreateError(input, event, err)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func ReadListData(input e.ReadListDto, event *pl.Event, dbx ...*gorm.DB) ([]e.SpecialistPosition, *e.MetaDto, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadList")
+	data := []e.SpecialistPosition{}
+	pagination := gh.Pagination{}
+	count := int64(0)
+	meta := e.MetaDto{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	tx = tx.
+		Model(&e.SpecialistPosition{}).
+		Scopes(gh.Preload(input.Includes)).
+		Scopes(gh.Filter(input.FilterDto)).
+		Count(&count).
+		Scopes(gh.Paginate(input, &pagination)).
+		Scopes(gh.Sort(input.Sort))
+
+	if err := tx.Find(&data).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, &meta, nil
+		}
+		return nil, nil, plh.HandleListError(input, event, err)
+	}
+
+	meta.Count = int(count)
+	meta.PageNumber = pagination.PageNumber
+	meta.PageSize = pagination.PageSize
+
+	pl.SetLogInfo(event, nil, "complete")
+	return data, &meta, nil
+}
+
+func ReadDetailData(input e.ReadDetailDto, event *pl.Event, dbx ...*gorm.DB) (*e.SpecialistPosition, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadDetail")
+	data := e.SpecialistPosition{}
+
+	var tx, getData *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	switch {
+	case input.Id != 0:
+		getData = tx.First(&data, input.Id)
+	case input.Code != nil && *input.Code != "":
+		getData = tx.Where("code = ?", *input.Code).First(&data)
+	default:
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-read-detail-fail",
+			Detail: "either Id or Code must be provided",
+		}
+
+		return nil, pl.SetLogError(event, nil)
+	}
+
+	if err := getData.Error; err != nil {
+		if processedErr := pu.HandleReadError(err, event, source, input.Id, data); processedErr != nil {
+			return nil, processedErr
+		}
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func UpdateData(input e.UpdateDto, data *e.SpecialistPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBUpdate")
+	setData(&input, data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Save(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-update-fail",
+			Detail: "Database update failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, input)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}
+
+func DeleteData(data *e.SpecialistPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBDelete")
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Delete(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-delete-fail",
+			Detail: "Database delete failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, data)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}

internal/use-case/main-use-case/specialist-position/middleware-runner.go

@@ -0,0 +1,103 @@
+package specialist_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+type middlewareRunner struct {
+	Event  *pl.Event
+	Tx     *gorm.DB
+	MwType pu.MWType
+}
+
+// NewMiddlewareExecutor creates a new middleware executor
+func newMiddlewareRunner(event *pl.Event, tx *gorm.DB) *middlewareRunner {
+	return &middlewareRunner{
+		Event: event,
+		Tx:    tx,
+	}
+}
+
+// ExecuteCreateMiddleware executes create middleware
+func (me *middlewareRunner) RunCreateMiddleware(middlewares []createMw, input *e.CreateDto, data *e.SpecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadListMiddleware(middlewares []readListMw, input *e.ReadListDto, data *e.SpecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadDetailMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SpecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunUpdateMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SpecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunDeleteMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SpecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) setMwType(mwType pu.MWType) {
+	me.MwType = mwType
+}

internal/use-case/main-use-case/specialist-position/middleware.go

@@ -0,0 +1,9 @@
+package specialist_position
+
+// example of middleware
+// func init() {
+// 	createPreMw = append(createPreMw,
+// 		CreateMw{Name: "modif-input", Func: pm.ModifInput},
+// 		CreateMw{Name: "check-data", Func: pm.CheckData},
+// 	)
+// }

internal/use-case/main-use-case/specialist-position/tycovar.go

@@ -0,0 +1,44 @@
+/*
+DESCRIPTION:
+A sample, part of the package that contains type, constants, and/or variables.
+
+In this sample it also provides type and variable regarding the needs of the
+middleware to separate from main use-case which has the basic CRUD
+functionality. The purpose of this is to make the code more maintainable.
+*/
+package specialist_position
+
+import (
+	"gorm.io/gorm"
+
+	e "simrs-vx/internal/domain/main-entities/specialist-position"
+)
+
+type createMw struct {
+	Name string
+	Func func(input *e.CreateDto, data *e.SpecialistPosition, tx *gorm.DB) error
+}
+
+type readListMw struct {
+	Name string
+	Func func(input *e.ReadListDto, data *e.SpecialistPosition, tx *gorm.DB) error
+}
+
+type readDetailMw struct {
+	Name string
+	Func func(input *e.ReadDetailDto, data *e.SpecialistPosition, tx *gorm.DB) error
+}
+
+type UpdateMw = readDetailMw
+type DeleteMw = readDetailMw
+
+var createPreMw []createMw      // preprocess middleware
+var createPostMw []createMw     // postprocess middleware
+var readListPreMw []readListMw  // ..
+var readListPostMw []readListMw // ..
+var readDetailPreMw []readDetailMw
+var readDetailPostMw []readDetailMw
+var updatePreMw []readDetailMw
+var updatePostMw []readDetailMw
+var deletePreMw []readDetailMw
+var deletePostMw []readDetailMw

internal/use-case/main-use-case/subspecialist-position/case.go

@@ -0,0 +1,302 @@
+package subspecialist_position
+
+import (
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	es "simrs-vx/internal/domain/main-entities/subspecialist"
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+	"strconv"
+
+	ue "simrs-vx/internal/use-case/main-use-case/employee"
+	us "simrs-vx/internal/use-case/main-use-case/subspecialist"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	d "github.com/karincake/dodol"
+
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+const source = "subspecialist-position"
+
+func Create(input e.CreateDto) (*d.Data, error) {
+	data := e.SubspecialistPosition{}
+
+	event := pl.Event{
+		Feature: "Create",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "create")
+
+	err := dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunCreateMiddleware(createPreMw, &input, &data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input); err != nil {
+			return err
+		}
+
+		if resData, err := CreateData(input, &event, tx); err != nil {
+			return err
+		} else {
+			data = *resData
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunCreateMiddleware(createPostMw, &input, &data); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.II{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "created",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func ReadList(input e.ReadListDto) (*d.Data, error) {
+	var data *e.SubspecialistPosition
+	var dataList []e.SubspecialistPosition
+	var metaList *e.MetaDto
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadList",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readList")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if dataList, metaList, err = ReadListData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":              source,
+			"structure":           "list-data",
+			"status":              "fetched",
+			"page_number":         strconv.Itoa(metaList.PageNumber),
+			"page_size":           strconv.Itoa(metaList.PageSize),
+			"record_totalCount":   strconv.Itoa(metaList.Count),
+			"record_currentCount": strconv.Itoa(len(dataList)),
+		},
+		Data: e.ToResponseList(dataList),
+	}, nil
+}
+
+func ReadDetail(input e.ReadDetailDto) (*d.Data, error) {
+	var data *e.SubspecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadDetail",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readDetail")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if data, err = ReadDetailData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "fetched",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func Update(input e.UpdateDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.SubspecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Update",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "update")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input.CreateDto); err != nil {
+			return err
+		}
+
+		if err := UpdateData(input, data, &event, tx); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "updated",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func Delete(input e.DeleteDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.SubspecialistPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Delete",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "delete")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := DeleteData(data, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "deleted",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func validateForeignKey(input e.CreateDto) error {
+	// validate installation_id
+	if _, err := us.ReadDetail(es.ReadDetailDto{Id: *input.Subspecialist_Id}); err != nil {
+		return err
+	}
+
+	// validate employee_Id
+	if _, err := ue.ReadDetail(ee.ReadDetailDto{Id: uint16(*input.Employee_Id)}); err != nil {
+		return err
+	}
+	return nil
+}

internal/use-case/main-use-case/subspecialist-position/helper.go

@@ -0,0 +1,25 @@
+/*
+DESCRIPTION:
+Any functions that are used internally by the use-case
+*/
+package subspecialist_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+)
+
+func setData[T *e.CreateDto | *e.UpdateDto](input T, data *e.SubspecialistPosition) {
+	var inputSrc *e.CreateDto
+	if inputT, ok := any(input).(*e.CreateDto); ok {
+		inputSrc = inputT
+	} else {
+		inputTemp := any(input).(*e.UpdateDto)
+		inputSrc = &inputTemp.CreateDto
+	}
+
+	data.Subspecialist_Id = inputSrc.Subspecialist_Id
+	data.Code = inputSrc.Code
+	data.Name = inputSrc.Name
+	data.HeadStatus = inputSrc.HeadStatus
+	data.Employee_Id = inputSrc.Employee_Id
+}

internal/use-case/main-use-case/subspecialist-position/lib.go

@@ -0,0 +1,156 @@
+package subspecialist_position
+
+import (
+	"errors"
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+
+	plh "simrs-vx/pkg/lib-helper"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	gh "github.com/karincake/getuk"
+	"gorm.io/gorm"
+)
+
+func CreateData(input e.CreateDto, event *pl.Event, dbx ...*gorm.DB) (*e.SubspecialistPosition, error) {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := e.SubspecialistPosition{}
+	setData(&input, &data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Create(&data).Error; err != nil {
+		return nil, plh.HandleCreateError(input, event, err)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func ReadListData(input e.ReadListDto, event *pl.Event, dbx ...*gorm.DB) ([]e.SubspecialistPosition, *e.MetaDto, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadList")
+	data := []e.SubspecialistPosition{}
+	pagination := gh.Pagination{}
+	count := int64(0)
+	meta := e.MetaDto{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	tx = tx.
+		Model(&e.SubspecialistPosition{}).
+		Scopes(gh.Preload(input.Includes)).
+		Scopes(gh.Filter(input.FilterDto)).
+		Count(&count).
+		Scopes(gh.Paginate(input, &pagination)).
+		Scopes(gh.Sort(input.Sort))
+
+	if err := tx.Find(&data).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, &meta, nil
+		}
+		return nil, nil, plh.HandleListError(input, event, err)
+	}
+
+	meta.Count = int(count)
+	meta.PageNumber = pagination.PageNumber
+	meta.PageSize = pagination.PageSize
+
+	pl.SetLogInfo(event, nil, "complete")
+	return data, &meta, nil
+}
+
+func ReadDetailData(input e.ReadDetailDto, event *pl.Event, dbx ...*gorm.DB) (*e.SubspecialistPosition, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadDetail")
+	data := e.SubspecialistPosition{}
+
+	var tx, getData *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	switch {
+	case input.Id != 0:
+		getData = tx.First(&data, input.Id)
+	case input.Code != nil && *input.Code != "":
+		getData = tx.Where("code = ?", *input.Code).First(&data)
+	default:
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-read-detail-fail",
+			Detail: "either Id or Code must be provided",
+		}
+
+		return nil, pl.SetLogError(event, nil)
+	}
+
+	if err := getData.Error; err != nil {
+		if processedErr := pu.HandleReadError(err, event, source, input.Id, data); processedErr != nil {
+			return nil, processedErr
+		}
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func UpdateData(input e.UpdateDto, data *e.SubspecialistPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBUpdate")
+	setData(&input, data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Save(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-update-fail",
+			Detail: "Database update failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, input)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}
+
+func DeleteData(data *e.SubspecialistPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBDelete")
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Delete(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-delete-fail",
+			Detail: "Database delete failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, data)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}

internal/use-case/main-use-case/subspecialist-position/middleware-runner.go

@@ -0,0 +1,103 @@
+package subspecialist_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+type middlewareRunner struct {
+	Event  *pl.Event
+	Tx     *gorm.DB
+	MwType pu.MWType
+}
+
+// NewMiddlewareExecutor creates a new middleware executor
+func newMiddlewareRunner(event *pl.Event, tx *gorm.DB) *middlewareRunner {
+	return &middlewareRunner{
+		Event: event,
+		Tx:    tx,
+	}
+}
+
+// ExecuteCreateMiddleware executes create middleware
+func (me *middlewareRunner) RunCreateMiddleware(middlewares []createMw, input *e.CreateDto, data *e.SubspecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadListMiddleware(middlewares []readListMw, input *e.ReadListDto, data *e.SubspecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadDetailMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SubspecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunUpdateMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SubspecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunDeleteMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.SubspecialistPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) setMwType(mwType pu.MWType) {
+	me.MwType = mwType
+}

internal/use-case/main-use-case/subspecialist-position/middleware.go

@@ -0,0 +1,9 @@
+package subspecialist_position
+
+// example of middleware
+// func init() {
+// 	createPreMw = append(createPreMw,
+// 		CreateMw{Name: "modif-input", Func: pm.ModifInput},
+// 		CreateMw{Name: "check-data", Func: pm.CheckData},
+// 	)
+// }

internal/use-case/main-use-case/subspecialist-position/tycovar.go

@@ -0,0 +1,44 @@
+/*
+DESCRIPTION:
+A sample, part of the package that contains type, constants, and/or variables.
+
+In this sample it also provides type and variable regarding the needs of the
+middleware to separate from main use-case which has the basic CRUD
+functionality. The purpose of this is to make the code more maintainable.
+*/
+package subspecialist_position
+
+import (
+	"gorm.io/gorm"
+
+	e "simrs-vx/internal/domain/main-entities/subspecialist-position"
+)
+
+type createMw struct {
+	Name string
+	Func func(input *e.CreateDto, data *e.SubspecialistPosition, tx *gorm.DB) error
+}
+
+type readListMw struct {
+	Name string
+	Func func(input *e.ReadListDto, data *e.SubspecialistPosition, tx *gorm.DB) error
+}
+
+type readDetailMw struct {
+	Name string
+	Func func(input *e.ReadDetailDto, data *e.SubspecialistPosition, tx *gorm.DB) error
+}
+
+type UpdateMw = readDetailMw
+type DeleteMw = readDetailMw
+
+var createPreMw []createMw      // preprocess middleware
+var createPostMw []createMw     // postprocess middleware
+var readListPreMw []readListMw  // ..
+var readListPostMw []readListMw // ..
+var readDetailPreMw []readDetailMw
+var readDetailPostMw []readDetailMw
+var updatePreMw []readDetailMw
+var updatePostMw []readDetailMw
+var deletePreMw []readDetailMw
+var deletePostMw []readDetailMw

internal/use-case/main-use-case/unit-position/case.go

@@ -0,0 +1,302 @@
+package unit_position
+
+import (
+	ee "simrs-vx/internal/domain/main-entities/employee"
+	eu "simrs-vx/internal/domain/main-entities/unit"
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+	"strconv"
+
+	ue "simrs-vx/internal/use-case/main-use-case/employee"
+	uu "simrs-vx/internal/use-case/main-use-case/unit"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	d "github.com/karincake/dodol"
+
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+const source = "unit-position"
+
+func Create(input e.CreateDto) (*d.Data, error) {
+	data := e.UnitPosition{}
+
+	event := pl.Event{
+		Feature: "Create",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "create")
+
+	err := dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunCreateMiddleware(createPreMw, &input, &data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input); err != nil {
+			return err
+		}
+
+		if resData, err := CreateData(input, &event, tx); err != nil {
+			return err
+		} else {
+			data = *resData
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunCreateMiddleware(createPostMw, &input, &data); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.II{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "created",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func ReadList(input e.ReadListDto) (*d.Data, error) {
+	var data *e.UnitPosition
+	var dataList []e.UnitPosition
+	var metaList *e.MetaDto
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadList",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readList")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if dataList, metaList, err = ReadListData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadListMiddleware(readListPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":              source,
+			"structure":           "list-data",
+			"status":              "fetched",
+			"page_number":         strconv.Itoa(metaList.PageNumber),
+			"page_size":           strconv.Itoa(metaList.PageSize),
+			"record_totalCount":   strconv.Itoa(metaList.Count),
+			"record_currentCount": strconv.Itoa(len(dataList)),
+		},
+		Data: e.ToResponseList(dataList),
+	}, nil
+}
+
+func ReadDetail(input e.ReadDetailDto) (*d.Data, error) {
+	var data *e.UnitPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "ReadDetail",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "readDetail")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPreMw, &input, data); err != nil {
+			return err
+		}
+
+		if data, err = ReadDetailData(input, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunReadDetailMiddleware(readDetailPostMw, &input, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "fetched",
+		},
+		Data: data.ToResponse(),
+	}, nil
+}
+
+func Update(input e.UpdateDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.UnitPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Update",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "update")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := validateForeignKey(input.CreateDto); err != nil {
+			return err
+		}
+
+		if err := UpdateData(input, data, &event, tx); err != nil {
+			return err
+		}
+
+		pl.SetLogInfo(&event, nil, "complete")
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunUpdateMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "updated",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func Delete(input e.DeleteDto) (*d.Data, error) {
+	rdDto := e.ReadDetailDto{Id: input.Id}
+	var data *e.UnitPosition
+	var err error
+
+	event := pl.Event{
+		Feature: "Delete",
+		Source:  source,
+	}
+
+	// Start log
+	pl.SetLogInfo(&event, input, "started", "delete")
+
+	err = dg.I.Transaction(func(tx *gorm.DB) error {
+		pl.SetLogInfo(&event, rdDto, "started", "DBReadDetail")
+		if data, err = ReadDetailData(rdDto, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner := newMiddlewareRunner(&event, tx)
+		mwRunner.setMwType(pu.MWTPre)
+		// Run pre-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPreMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		if err := DeleteData(data, &event, tx); err != nil {
+			return err
+		}
+
+		mwRunner.setMwType(pu.MWTPost)
+		// Run post-middleware
+		if err := mwRunner.RunDeleteMiddleware(readDetailPostMw, &rdDto, data); err != nil {
+			return err
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		return nil, err
+	}
+
+	return &d.Data{
+		Meta: d.IS{
+			"source":    source,
+			"structure": "single-data",
+			"status":    "deleted",
+		},
+		Data: data.ToResponse(),
+	}, nil
+
+}
+
+func validateForeignKey(input e.CreateDto) error {
+	// validate installation_id
+	if _, err := uu.ReadDetail(eu.ReadDetailDto{Id: *input.Unit_Id}); err != nil {
+		return err
+	}
+
+	// validate employee_Id
+	if _, err := ue.ReadDetail(ee.ReadDetailDto{Id: uint16(*input.Employee_Id)}); err != nil {
+		return err
+	}
+	return nil
+}

internal/use-case/main-use-case/unit-position/helper.go

@@ -0,0 +1,25 @@
+/*
+DESCRIPTION:
+Any functions that are used internally by the use-case
+*/
+package unit_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+)
+
+func setData[T *e.CreateDto | *e.UpdateDto](input T, data *e.UnitPosition) {
+	var inputSrc *e.CreateDto
+	if inputT, ok := any(input).(*e.CreateDto); ok {
+		inputSrc = inputT
+	} else {
+		inputTemp := any(input).(*e.UpdateDto)
+		inputSrc = &inputTemp.CreateDto
+	}
+
+	data.Unit_Id = inputSrc.Unit_Id
+	data.Code = inputSrc.Code
+	data.Name = inputSrc.Name
+	data.HeadStatus = inputSrc.HeadStatus
+	data.Employee_Id = inputSrc.Employee_Id
+}

internal/use-case/main-use-case/unit-position/lib.go

@@ -0,0 +1,156 @@
+package unit_position
+
+import (
+	"errors"
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+
+	plh "simrs-vx/pkg/lib-helper"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	gh "github.com/karincake/getuk"
+	"gorm.io/gorm"
+)
+
+func CreateData(input e.CreateDto, event *pl.Event, dbx ...*gorm.DB) (*e.UnitPosition, error) {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := e.UnitPosition{}
+	setData(&input, &data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Create(&data).Error; err != nil {
+		return nil, plh.HandleCreateError(input, event, err)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func ReadListData(input e.ReadListDto, event *pl.Event, dbx ...*gorm.DB) ([]e.UnitPosition, *e.MetaDto, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadList")
+	data := []e.UnitPosition{}
+	pagination := gh.Pagination{}
+	count := int64(0)
+	meta := e.MetaDto{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	tx = tx.
+		Model(&e.UnitPosition{}).
+		Scopes(gh.Preload(input.Includes)).
+		Scopes(gh.Filter(input.FilterDto)).
+		Count(&count).
+		Scopes(gh.Paginate(input, &pagination)).
+		Scopes(gh.Sort(input.Sort))
+
+	if err := tx.Find(&data).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, &meta, nil
+		}
+		return nil, nil, plh.HandleListError(input, event, err)
+	}
+
+	meta.Count = int(count)
+	meta.PageNumber = pagination.PageNumber
+	meta.PageSize = pagination.PageSize
+
+	pl.SetLogInfo(event, nil, "complete")
+	return data, &meta, nil
+}
+
+func ReadDetailData(input e.ReadDetailDto, event *pl.Event, dbx ...*gorm.DB) (*e.UnitPosition, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadDetail")
+	data := e.UnitPosition{}
+
+	var tx, getData *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	switch {
+	case input.Id != 0:
+		getData = tx.First(&data, input.Id)
+	case input.Code != nil && *input.Code != "":
+		getData = tx.Where("code = ?", *input.Code).First(&data)
+	default:
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-read-detail-fail",
+			Detail: "either Id or Code must be provided",
+		}
+
+		return nil, pl.SetLogError(event, nil)
+	}
+
+	if err := getData.Error; err != nil {
+		if processedErr := pu.HandleReadError(err, event, source, input.Id, data); processedErr != nil {
+			return nil, processedErr
+		}
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return &data, nil
+}
+
+func UpdateData(input e.UpdateDto, data *e.UnitPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBUpdate")
+	setData(&input, data)
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Save(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-update-fail",
+			Detail: "Database update failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, input)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}
+
+func DeleteData(data *e.UnitPosition, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, data, "started", "DBDelete")
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.Delete(&data).Error; err != nil {
+		event.Status = "failed"
+		event.ErrInfo = pl.ErrorInfo{
+			Code:   "data-delete-fail",
+			Detail: "Database delete failed",
+			Raw:    err,
+		}
+		return pl.SetLogError(event, data)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}

internal/use-case/main-use-case/unit-position/middleware-runner.go

@@ -0,0 +1,103 @@
+package unit_position
+
+import (
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	"gorm.io/gorm"
+)
+
+type middlewareRunner struct {
+	Event  *pl.Event
+	Tx     *gorm.DB
+	MwType pu.MWType
+}
+
+// NewMiddlewareExecutor creates a new middleware executor
+func newMiddlewareRunner(event *pl.Event, tx *gorm.DB) *middlewareRunner {
+	return &middlewareRunner{
+		Event: event,
+		Tx:    tx,
+	}
+}
+
+// ExecuteCreateMiddleware executes create middleware
+func (me *middlewareRunner) RunCreateMiddleware(middlewares []createMw, input *e.CreateDto, data *e.UnitPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadListMiddleware(middlewares []readListMw, input *e.ReadListDto, data *e.UnitPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunReadDetailMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.UnitPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunUpdateMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.UnitPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) RunDeleteMiddleware(middlewares []readDetailMw, input *e.ReadDetailDto, data *e.UnitPosition) error {
+	for _, middleware := range middlewares {
+		logData := pu.GetLogData(input, data)
+
+		pl.SetLogInfo(me.Event, logData, "started", middleware.Name)
+
+		if err := middleware.Func(input, data, me.Tx); err != nil {
+			return pu.HandleMiddlewareError(me.Event, string(me.MwType), middleware.Name, logData, err)
+		}
+
+		pl.SetLogInfo(me.Event, nil, "complete")
+	}
+	return nil
+}
+
+func (me *middlewareRunner) setMwType(mwType pu.MWType) {
+	me.MwType = mwType
+}

internal/use-case/main-use-case/unit-position/middleware.go

@@ -0,0 +1,9 @@
+package unit_position
+
+// example of middleware
+// func init() {
+// 	createPreMw = append(createPreMw,
+// 		CreateMw{Name: "modif-input", Func: pm.ModifInput},
+// 		CreateMw{Name: "check-data", Func: pm.CheckData},
+// 	)
+// }

internal/use-case/main-use-case/unit-position/tycovar.go

@@ -0,0 +1,44 @@
+/*
+DESCRIPTION:
+A sample, part of the package that contains type, constants, and/or variables.
+
+In this sample it also provides type and variable regarding the needs of the
+middleware to separate from main use-case which has the basic CRUD
+functionality. The purpose of this is to make the code more maintainable.
+*/
+package unit_position
+
+import (
+	"gorm.io/gorm"
+
+	e "simrs-vx/internal/domain/main-entities/unit-position"
+)
+
+type createMw struct {
+	Name string
+	Func func(input *e.CreateDto, data *e.UnitPosition, tx *gorm.DB) error
+}
+
+type readListMw struct {
+	Name string
+	Func func(input *e.ReadListDto, data *e.UnitPosition, tx *gorm.DB) error
+}
+
+type readDetailMw struct {
+	Name string
+	Func func(input *e.ReadDetailDto, data *e.UnitPosition, tx *gorm.DB) error
+}
+
+type UpdateMw = readDetailMw
+type DeleteMw = readDetailMw
+
+var createPreMw []createMw      // preprocess middleware
+var createPostMw []createMw     // postprocess middleware
+var readListPreMw []readListMw  // ..
+var readListPostMw []readListMw // ..
+var readDetailPreMw []readDetailMw
+var readDetailPostMw []readDetailMw
+var updatePreMw []readDetailMw
+var updatePostMw []readDetailMw
+var deletePreMw []readDetailMw
+var deletePostMw []readDetailMw