add crud vehicle

internal/domain/main-entities/vehicle/dto.go

@@ -0,0 +1,82 @@
+package vehicle
+
+import (
+	ecore "simrs-vx/internal/domain/base-entities/core"
+	ercl "simrs-vx/internal/domain/references/clinical"
+	ercm "simrs-vx/internal/domain/references/common"
+)
+
+type CreateDto struct {
+	Type_Code       ercl.VehicleTypeCode `json:"type_code" validate:"required"`
+	PoliceNumber    *string              `json:"policeNumber" validate:"required"`
+	FrameNumber     *string              `json:"frameNumber"`
+	RegNumber       *string              `json:"regNumber"`
+	AvailableStatus bool                 `json:"availableStatus"`
+}
+
+type InsertVehicleHist struct {
+	Vehicle
+	Crud_Code ercm.CrudCode `json:"crud_code"`
+}
+
+type ReadListDto struct {
+	FilterDto
+	Includes   string `json:"includes"`
+	Pagination ecore.Pagination
+}
+
+type FilterDto struct {
+	Type_Code       ercl.VehicleTypeCode `json:"type-code"`
+	PoliceNumber    *string              `json:"policeNumber"`
+	FrameNumber     *string              `json:"frameNumber"`
+	RegNumber       *string              `json:"regNumber"`
+	AvailableStatus bool                 `json:"availableStatus"`
+}
+
+type ReadDetailDto struct {
+	Id uint16 `json:"id"`
+}
+
+type UpdateDto struct {
+	Id uint `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.Main
+	Type_Code       *ercl.VehicleTypeCode `json:"type_code"`
+	PoliceNumber    *string               `json:"policeNumber"`
+	FrameNumber     *string               `json:"frameNumber"`
+	RegNumber       *string               `json:"regNumber"`
+	AvailableStatus bool                  `json:"availableStatus"`
+}
+
+func (d Vehicle) ToResponse() ResponseDto {
+	resp := ResponseDto{
+		Type_Code:       d.Type_Code,
+		PoliceNumber:    d.PoliceNumber,
+		FrameNumber:     d.FrameNumber,
+		RegNumber:       d.RegNumber,
+		AvailableStatus: d.AvailableStatus,
+	}
+	resp.Main = d.Main
+	return resp
+}
+
+func ToResponseList(data []Vehicle) []ResponseDto {
+	resp := make([]ResponseDto, len(data))
+	for i, u := range data {
+		resp[i] = u.ToResponse()
+	}
+	return resp
+}

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

@@ -2,6 +2,7 @@ package handler
 
 import (
 	"net/http"
+	"simrs-vx/internal/interface/main-handler/vehicle"
 
 	/******************** main / transaction ********************/
 	adime "simrs-vx/internal/interface/main-handler/adime"
@@ -295,6 +296,7 @@ func SetRoutes() http.Handler {
 	hc.RegCrud(r, "/v1/specialist", specialist.O)
 	hc.RegCrud(r, "/v1/subspecialist", subspecialist.O)
 	hc.RegCrud(r, "/v1/mcu-sub-src", mcusubsrc.O)
+	hc.RegCrud(r, "/v1/vehicle", vehicle.O)
 
 	hc.RegCrud(r, "/v1/village", village.O)
 	hc.RegCrud(r, "/v1/district", district.O)

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

@@ -0,0 +1,73 @@
+package vehicle
+
+import (
+	"net/http"
+
+	e "simrs-vx/internal/domain/main-entities/vehicle"
+	u "simrs-vx/internal/use-case/main-use-case/vehicle"
+
+	rw "github.com/karincake/risoles"
+	sf "github.com/karincake/semprit"
+)
+
+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 = uint(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/vehicle/case.go

@@ -0,0 +1,334 @@
+package vehicle
+
+import (
+	rcm "simrs-vx/internal/domain/references/common"
+	"strconv"
+
+	"gorm.io/gorm"
+
+	v "simrs-vx/internal/domain/main-entities/vehicle"
+	pl "simrs-vx/pkg/logger"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	d "github.com/karincake/dodol"
+)
+
+const source = "vehicle"
+
+func Create(input v.CreateDto) (*d.Data, error) {
+	data := v.Vehicle{}
+
+	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
+		}
+
+		// Validate request
+		if err := validateRequest(input, &event); err != nil {
+			return err
+		}
+
+		// Create Vehicle
+		if resData, err := CreateData(input, &event, tx); err != nil {
+			return err
+		} else {
+			data = *resData
+		}
+
+		// Set data for vehicle hist
+		vehicleHistData := v.InsertVehicleHist{
+			Crud_Code: rcm.CCCreate,
+			Vehicle:   data,
+		}
+
+		// Insert Vehicle Hist
+		if err := InsertVehicleHist(vehicleHistData, &event, tx); err != nil {
+			return err
+		}
+
+		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 v.ReadListDto) (*d.Data, error) {
+	var data *v.Vehicle
+	var dataList []v.Vehicle
+	var metaList *v.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: v.ToResponseList(dataList),
+	}, nil
+}
+
+func ReadDetail(input v.ReadDetailDto) (*d.Data, error) {
+	var data *v.Vehicle
+	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
+		}
+
+		// Set data for vehicle hist
+		vehicleHistData := v.InsertVehicleHist{
+			Crud_Code: rcm.CCRead,
+			Vehicle:   *data,
+		}
+
+		// Insert Vehicle Hist
+		if err := InsertVehicleHist(vehicleHistData, &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 v.UpdateDto) (*d.Data, error) {
+	rdDto := v.ReadDetailDto{Id: uint16(input.Id)}
+	var data *v.Vehicle
+	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
+		}
+
+		// Validate request
+		if err := validateRequest(input.CreateDto, &event); err != nil {
+			return err
+		}
+
+		// Update Vehicle
+		if err := UpdateData(input, data, &event, tx); err != nil {
+			return err
+		}
+
+		// Set data for vehicle hist
+		vehicleHistData := v.InsertVehicleHist{
+			Crud_Code: rcm.CCUpdate,
+			Vehicle:   *data,
+		}
+
+		// Insert Vehicle Hist
+		if err := InsertVehicleHist(vehicleHistData, &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 v.DeleteDto) (*d.Data, error) {
+	rdDto := v.ReadDetailDto{Id: input.Id}
+	var data *v.Vehicle
+	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
+		}
+
+		// Set data for vehicle hist
+		vehicleHistData := v.InsertVehicleHist{
+			Crud_Code: rcm.CCDelete,
+			Vehicle:   *data,
+		}
+
+		// Insert Vehicle Hist
+		if err := InsertVehicleHist(vehicleHistData, &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
+
+}

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

@@ -0,0 +1,74 @@
+/*
+DESCRIPTION:
+Any functions that are used internally by the use-case
+*/
+package vehicle
+
+import (
+	"encoding/json"
+	"errors"
+	v "simrs-vx/internal/domain/main-entities/vehicle"
+	vh "simrs-vx/internal/domain/main-entities/vehicle-hist"
+	rcl "simrs-vx/internal/domain/references/clinical"
+	pl "simrs-vx/pkg/logger"
+
+	"time"
+)
+
+func setData[T *v.CreateDto | *v.UpdateDto](input T, data *v.Vehicle) {
+	var inputSrc *v.CreateDto
+	if inputT, ok := any(input).(*v.CreateDto); ok {
+		inputSrc = inputT
+	} else {
+		inputTemp := any(input).(*v.UpdateDto)
+		inputSrc = &inputTemp.CreateDto
+	}
+
+	data.Type_Code = &inputSrc.Type_Code
+	data.PoliceNumber = inputSrc.PoliceNumber
+	data.FrameNumber = inputSrc.FrameNumber
+	data.RegNumber = inputSrc.RegNumber
+	data.AvailableStatus = inputSrc.AvailableStatus
+}
+
+func setDataVehicleHist(input v.InsertVehicleHist, data *vh.VehicleHist) {
+	now := time.Now()
+	data.Vehicle_Id = &input.Id
+	data.Date = &now
+	data.Data = toStringPtr(input.Vehicle)
+	data.Crud_Code = &input.Crud_Code
+}
+
+func toStringPtr(v any) *string {
+	b, _ := json.Marshal(v)
+	s := string(b)
+	return &s
+}
+
+func validateRequest(input v.CreateDto, event *pl.Event) error {
+	event.Status = "failed"
+	event.ErrInfo = pl.ErrorInfo{
+		Code: "data-validation-fail",
+	}
+
+	if input.Type_Code == "" {
+		event.ErrInfo.Detail = "Field 'type_code' is required"
+		event.ErrInfo.Raw = errors.New("type_code is required")
+		return pl.SetLogError(event, input)
+	}
+
+	if input.PoliceNumber == nil {
+		event.ErrInfo.Detail = "Field 'policeNumber' is required"
+		event.ErrInfo.Raw = errors.New("policeNumber is required")
+		return pl.SetLogError(event, input)
+	}
+
+	switch input.Type_Code {
+	case rcl.VTCAmbulance, rcl.VTCTransport, rcl.VTCHearse:
+		return nil
+	default:
+		event.ErrInfo.Detail = "type_code value is not recognized"
+		event.ErrInfo.Raw = errors.New("type_code value is not recognized")
+		return pl.SetLogError(event, input)
+	}
+}

internal/use-case/main-use-case/vehicle/lib.go

@@ -0,0 +1,164 @@
+package vehicle
+
+import (
+	"errors"
+	v "simrs-vx/internal/domain/main-entities/vehicle"
+	vh "simrs-vx/internal/domain/main-entities/vehicle-hist"
+	pu "simrs-vx/pkg/use-case-helper"
+
+	plh "simrs-vx/pkg/lib-helper"
+	pl "simrs-vx/pkg/logger"
+
+	dg "github.com/karincake/apem/db-gorm-pg"
+	gh "github.com/karincake/getuk"
+	"gorm.io/gorm"
+)
+
+func CreateData(input v.CreateDto, event *pl.Event, dbx ...*gorm.DB) (*v.Vehicle, error) {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := v.Vehicle{}
+	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 InsertVehicleHist(input v.InsertVehicleHist, event *pl.Event, dbx ...*gorm.DB) error {
+	pl.SetLogInfo(event, nil, "started", "DBCreate")
+
+	data := vh.VehicleHist{}
+	setDataVehicleHist(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 plh.HandleCreateError(input, event, err)
+	}
+
+	pl.SetLogInfo(event, nil, "complete")
+	return nil
+}
+
+func ReadListData(input v.ReadListDto, event *pl.Event, dbx ...*gorm.DB) ([]v.Vehicle, *v.MetaDto, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadList")
+	data := []v.Vehicle{}
+	pagination := gh.Pagination{}
+	count := int64(0)
+	meta := v.MetaDto{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	tx = tx.
+		Model(&v.Vehicle{}).
+		Scopes(gh.Preload(input.Includes)).
+		Scopes(gh.Filter(input.FilterDto)).
+		Count(&count).
+		Scopes(gh.Paginate(input, &pagination)).
+		Order("\"CreatedAt\" DESC")
+
+	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 v.ReadDetailDto, event *pl.Event, dbx ...*gorm.DB) (*v.Vehicle, error) {
+	pl.SetLogInfo(event, input, "started", "DBReadDetail")
+	data := v.Vehicle{}
+
+	var tx *gorm.DB
+	if len(dbx) > 0 {
+		tx = dbx[0]
+	} else {
+		tx = dg.I
+	}
+
+	if err := tx.First(&data, input.Id).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 v.UpdateDto, data *v.Vehicle, 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 *v.Vehicle, 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/vehicle/middleware-runner.go

@@ -0,0 +1,103 @@
+package vehicle
+
+import (
+	v "simrs-vx/internal/domain/main-entities/vehicle"
+	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 *v.CreateDto, data *v.Vehicle) 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 *v.ReadListDto, data *v.Vehicle) 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 *v.ReadDetailDto, data *v.Vehicle) 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 *v.ReadDetailDto, data *v.Vehicle) 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 *v.ReadDetailDto, data *v.Vehicle) 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/vehicle/middleware.go

@@ -0,0 +1,9 @@
+package vehicle
+
+// 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/vehicle/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 vehicle
+
+import (
+	"gorm.io/gorm"
+
+	v "simrs-vx/internal/domain/main-entities/vehicle"
+)
+
+type createMw struct {
+	Name string
+	Func func(input *v.CreateDto, data *v.Vehicle, tx *gorm.DB) error
+}
+
+type readListMw struct {
+	Name string
+	Func func(input *v.ReadListDto, data *v.Vehicle, tx *gorm.DB) error
+}
+
+type readDetailMw struct {
+	Name string
+	Func func(input *v.ReadDetailDto, data *v.Vehicle, 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