1591 lines
48 KiB
Go
1591 lines
48 KiB
Go
package main
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import (
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"time"
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)
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// HandlerData contains template data for handler generation
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type HandlerData struct {
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Name string
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NameLower string
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NamePlural string
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Category string
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CategoryPath string
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ModuleName string
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TableName string
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HasGet bool
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HasPost bool
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HasPut bool
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HasDelete bool
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HasStats bool
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HasDynamic bool
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HasSearch bool
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HasFilter bool
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HasPagination bool
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Timestamp string
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}
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func main() {
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if len(os.Args) < 2 {
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fmt.Println("Usage: go run generate-handler.go [category/]entity [methods]")
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fmt.Println("Examples:")
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fmt.Println(" go run generate-handler.go product get post put delete")
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fmt.Println(" go run generate-handler.go retribusi/tarif get post put delete dynamic search")
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os.Exit(1)
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}
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// Parse entity path (could be "entity" or "category/entity")
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entityPath := os.Args[1]
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methods := []string{}
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if len(os.Args) > 2 {
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methods = os.Args[2:]
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} else {
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// Default methods with advanced features
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methods = []string{"get", "post", "put", "delete", "dynamic", "search"}
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}
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// Parse category and entity
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var category, entityName string
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if strings.Contains(entityPath, "/") {
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parts := strings.Split(entityPath, "/")
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if len(parts) != 2 {
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fmt.Println("❌ Error: Invalid path format. Use 'category/entity' or just 'entity'")
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os.Exit(1)
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}
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category = parts[0]
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entityName = parts[1]
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} else {
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category = ""
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entityName = entityPath
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}
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// Format names
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entityName = strings.Title(entityName) // PascalCase entity name
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entityLower := strings.ToLower(entityName)
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entityPlural := entityLower + "s"
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// Table name: include category if exists
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var tableName string
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if category != "" {
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tableName = "data_" + category + "_" + entityLower
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} else {
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tableName = "data_" + entityLower
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}
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data := HandlerData{
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Name: entityName,
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NameLower: entityLower,
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NamePlural: entityPlural,
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Category: category,
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CategoryPath: category,
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ModuleName: "api-service",
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TableName: tableName,
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HasPagination: true,
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HasFilter: true,
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Timestamp: time.Now().Format("2006-01-02 15:04:05"),
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}
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// Set methods based on arguments
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for _, m := range methods {
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switch strings.ToLower(m) {
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case "get":
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data.HasGet = true
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case "post":
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data.HasPost = true
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case "put":
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data.HasPut = true
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case "delete":
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data.HasDelete = true
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case "stats":
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data.HasStats = true
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case "dynamic":
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data.HasDynamic = true
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case "search":
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data.HasSearch = true
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}
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}
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// Always add stats if we have get
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if data.HasGet {
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data.HasStats = true
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}
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// Create directories with improved logic
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var handlerDir, modelDir string
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if category != "" {
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handlerDir = filepath.Join("internal", "handlers", category)
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modelDir = filepath.Join("internal", "models", category)
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} else {
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handlerDir = filepath.Join("internal", "handlers")
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modelDir = filepath.Join("internal", "models")
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}
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// Create directories
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for _, d := range []string{handlerDir, modelDir} {
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if err := os.MkdirAll(d, 0755); err != nil {
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panic(err)
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}
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}
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// Generate files
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generateHandlerFile(data, handlerDir)
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generateModelFile(data, modelDir)
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updateRoutesFile(data)
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fmt.Printf("✅ Successfully generated handler: %s\n", entityName)
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if category != "" {
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fmt.Printf("📁 Category: %s\n", category)
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}
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fmt.Printf("📁 Handler: %s\n", filepath.Join(handlerDir, entityLower+".go"))
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fmt.Printf("📁 Model: %s\n", filepath.Join(modelDir, entityLower+".go"))
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}
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// ================= HANDLER GENERATION =====================
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func generateHandlerFile(data HandlerData, handlerDir string) {
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// Build import path based on category
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var modelsImportPath string
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if data.Category != "" {
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modelsImportPath = data.ModuleName + "/internal/models/" + data.Category
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} else {
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modelsImportPath = data.ModuleName + "/internal/models"
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}
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handlerContent := `package handlers
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import (
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"` + data.ModuleName + `/internal/config"
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"` + data.ModuleName + `/internal/database"
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models "` + data.ModuleName + `/internal/models"
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models` + data.NameLower + ` "` + modelsImportPath + `"`
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// Add conditional imports for dynamic and search functionality
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if data.HasDynamic || data.HasSearch {
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handlerContent += `
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utils "` + data.ModuleName + `/internal/utils/filters"`
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}
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handlerContent += `
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"` + data.ModuleName + `/internal/utils/validation"
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"context"
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"database/sql"
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"fmt"
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"log"
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"net/http"
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/gin-gonic/gin"
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"github.com/go-playground/validator/v10"
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"github.com/google/uuid"
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)
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var (
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db database.Service
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once sync.Once
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validate *validator.Validate
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)
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// Initialize the database connection and validator
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func init() {
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once.Do(func() {
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db = database.New(config.LoadConfig())
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validate = validator.New()
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// Register custom validations if needed
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validate.RegisterValidation("` + data.NameLower + `_status", validate` + data.Name + `Status)
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if db == nil {
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log.Fatal("Failed to initialize database connection")
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}
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})
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}
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// Custom validation for ` + data.NameLower + ` status
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func validate` + data.Name + `Status(fl validator.FieldLevel) bool {
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return models.IsValidStatus(fl.Field().String())
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}
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// ` + data.Name + `Handler handles ` + data.NameLower + ` services
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type ` + data.Name + `Handler struct {
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db database.Service
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}
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// New` + data.Name + `Handler creates a new ` + data.Name + `Handler
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func New` + data.Name + `Handler() *` + data.Name + `Handler {
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return &` + data.Name + `Handler{
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db: db,
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}
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}`
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// Add methods
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if data.HasGet {
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handlerContent += generateGetMethods(data)
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}
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if data.HasDynamic {
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handlerContent += generateDynamicMethod(data)
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}
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if data.HasSearch {
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handlerContent += generateSearchMethod(data)
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}
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if data.HasPost {
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handlerContent += generateCreateMethod(data)
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}
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if data.HasPut {
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handlerContent += generateUpdateMethod(data)
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}
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if data.HasDelete {
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handlerContent += generateDeleteMethod(data)
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}
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if data.HasStats {
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handlerContent += generateStatsMethod(data)
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}
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// Add helper methods
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handlerContent += generateHelperMethods(data)
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writeFile(filepath.Join(handlerDir, data.NameLower+".go"), handlerContent)
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}
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func generateGetMethods(data HandlerData) string {
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return `
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// Get` + data.Name + ` godoc
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// @Summary Get ` + data.NameLower + ` with pagination and optional aggregation
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// @Description Returns a paginated list of ` + data.NamePlural + ` with optional summary statistics
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// @Tags ` + data.NameLower + `
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// @Accept json
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// @Produce json
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// @Param limit query int false "Limit (max 100)" default(10)
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// @Param offset query int false "Offset" default(0)
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// @Param include_summary query bool false "Include aggregation summary" default(false)
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// @Param status query string false "Filter by status"
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// @Param search query string false "Search in multiple fields"
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// @Success 200 {object} models` + data.NameLower + `.` + data.Name + `GetResponse "Success response"
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// @Failure 400 {object} models.ErrorResponse "Bad request"
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// @Failure 500 {object} models.ErrorResponse "Internal server error"
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// @Router /api/v1/` + data.NamePlural + ` [get]
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func (h *` + data.Name + `Handler) Get` + data.Name + `(c *gin.Context) {
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// Parse pagination parameters
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limit, offset, err := h.parsePaginationParams(c)
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if err != nil {
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h.respondError(c, "Invalid pagination parameters", err, http.StatusBadRequest)
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return
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}
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// Parse filter parameters
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filter := h.parseFilterParams(c)
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includeAggregation := c.Query("include_summary") == "true"
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// Get database connection
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dbConn, err := h.db.GetDB("postgres_satudata")
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if err != nil {
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h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
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return
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}
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// Create context with timeout
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ctx, cancel := context.WithTimeout(c.Request.Context(), 30*time.Second)
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defer cancel()
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// Execute concurrent operations
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var (
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items []models` + data.NameLower + `.` + data.Name + `
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total int
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aggregateData *models.AggregateData
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wg sync.WaitGroup
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errChan = make(chan error, 3)
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mu sync.Mutex
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)
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// Fetch total count
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wg.Add(1)
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go func() {
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defer wg.Done()
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if err := h.getTotalCount(ctx, dbConn, filter, &total); err != nil {
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mu.Lock()
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errChan <- fmt.Errorf("failed to get total count: %w", err)
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mu.Unlock()
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}
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}()
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// Fetch main data
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wg.Add(1)
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go func() {
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defer wg.Done()
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result, err := h.fetch` + data.Name + `s(ctx, dbConn, filter, limit, offset)
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mu.Lock()
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if err != nil {
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errChan <- fmt.Errorf("failed to fetch data: %w", err)
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} else {
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items = result
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}
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mu.Unlock()
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}()
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// Fetch aggregation data if requested
|
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if includeAggregation {
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wg.Add(1)
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go func() {
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defer wg.Done()
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result, err := h.getAggregateData(ctx, dbConn, filter)
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mu.Lock()
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if err != nil {
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errChan <- fmt.Errorf("failed to get aggregate data: %w", err)
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} else {
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aggregateData = result
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}
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mu.Unlock()
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}()
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}
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|
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// Wait for all goroutines
|
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wg.Wait()
|
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close(errChan)
|
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|
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// Check for errors
|
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for err := range errChan {
|
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if err != nil {
|
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h.logAndRespondError(c, "Data processing failed", err, http.StatusInternalServerError)
|
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return
|
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}
|
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}
|
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|
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// Build response
|
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meta := h.calculateMeta(limit, offset, total)
|
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response := models` + data.NameLower + `.` + data.Name + `GetResponse{
|
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Message: "Data ` + data.NameLower + ` berhasil diambil",
|
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Data: items,
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Meta: meta,
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}
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if includeAggregation && aggregateData != nil {
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response.Summary = aggregateData
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}
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c.JSON(http.StatusOK, response)
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}
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|
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// Get` + data.Name + `ByID godoc
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// @Summary Get ` + data.Name + ` by ID
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// @Description Returns a single ` + data.NameLower + ` by ID
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// @Tags ` + data.NameLower + `
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// @Accept json
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// @Produce json
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// @Param id path string true "` + data.Name + ` ID (UUID)"
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// @Success 200 {object} models` + data.NameLower + `.` + data.Name + `GetByIDResponse "Success response"
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// @Failure 400 {object} models.ErrorResponse "Invalid ID format"
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// @Failure 404 {object} models.ErrorResponse "` + data.Name + ` not found"
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// @Failure 500 {object} models.ErrorResponse "Internal server error"
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// @Router /api/v1/` + data.NameLower + `/{id} [get]
|
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func (h *` + data.Name + `Handler) Get` + data.Name + `ByID(c *gin.Context) {
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id := c.Param("id")
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|
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// Validate UUID format
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if _, err := uuid.Parse(id); err != nil {
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h.respondError(c, "Invalid ID format", err, http.StatusBadRequest)
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return
|
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}
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|
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dbConn, err := h.db.GetDB("postgres_satudata")
|
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if err != nil {
|
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h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
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return
|
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}
|
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|
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ctx, cancel := context.WithTimeout(c.Request.Context(), 15*time.Second)
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defer cancel()
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item, err := h.get` + data.Name + `ByID(ctx, dbConn, id)
|
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if err != nil {
|
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if err == sql.ErrNoRows {
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h.respondError(c, "` + data.Name + ` not found", err, http.StatusNotFound)
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} else {
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h.logAndRespondError(c, "Failed to get ` + data.NameLower + `", err, http.StatusInternalServerError)
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}
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return
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}
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response := models` + data.NameLower + `.` + data.Name + `GetByIDResponse{
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Message: "` + data.Name + ` details retrieved successfully",
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Data: item,
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}
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c.JSON(http.StatusOK, response)
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}`
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}
|
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|
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func generateDynamicMethod(data HandlerData) string {
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return `
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// Get` + data.Name + `Dynamic godoc
|
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// @Summary Get ` + data.NameLower + ` with dynamic filtering
|
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// @Description Returns ` + data.NamePlural + ` with advanced dynamic filtering like Directus
|
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// @Tags ` + data.NameLower + `
|
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// @Accept json
|
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// @Produce json
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// @Param fields query string false "Fields to select (e.g., fields=*.*)"
|
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// @Param filter[column][operator] query string false "Dynamic filters (e.g., filter[name][_eq]=value)"
|
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// @Param sort query string false "Sort fields (e.g., sort=date_created,-name)"
|
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// @Param limit query int false "Limit" default(10)
|
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// @Param offset query int false "Offset" default(0)
|
|
// @Success 200 {object} models` + data.NameLower + `.` + data.Name + `GetResponse "Success response"
|
|
// @Failure 400 {object} models.ErrorResponse "Bad request"
|
|
// @Failure 500 {object} models.ErrorResponse "Internal server error"
|
|
// @Router /api/v1/` + data.NamePlural + `/dynamic [get]
|
|
func (h *` + data.Name + `Handler) Get` + data.Name + `Dynamic(c *gin.Context) {
|
|
// Parse query parameters
|
|
parser := utils.NewQueryParser().SetLimits(10, 100)
|
|
dynamicQuery, err := parser.ParseQuery(c.Request.URL.Query())
|
|
if err != nil {
|
|
h.respondError(c, "Invalid query parameters", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
// Get database connection
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// Create context with timeout
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 30*time.Second)
|
|
defer cancel()
|
|
|
|
// Execute query with dynamic filtering
|
|
items, total, err := h.fetch` + data.Name + `sDynamic(ctx, dbConn, dynamicQuery)
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Failed to fetch data", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// Build response
|
|
meta := h.calculateMeta(dynamicQuery.Limit, dynamicQuery.Offset, total)
|
|
response := models` + data.NameLower + `.` + data.Name + `GetResponse{
|
|
Message: "Data ` + data.NameLower + ` berhasil diambil",
|
|
Data: items,
|
|
Meta: meta,
|
|
}
|
|
|
|
c.JSON(http.StatusOK, response)
|
|
}`
|
|
}
|
|
|
|
func generateSearchMethod(data HandlerData) string {
|
|
return `
|
|
|
|
// Search` + data.Name + `Advanced provides advanced search capabilities
|
|
func (h *` + data.Name + `Handler) Search` + data.Name + `Advanced(c *gin.Context) {
|
|
// Parse complex search parameters
|
|
searchQuery := c.Query("q")
|
|
if searchQuery == "" {
|
|
h.respondError(c, "Search query is required", fmt.Errorf("empty search query"), http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
// Build dynamic query for search
|
|
query := utils.DynamicQuery{
|
|
Fields: []string{"*"},
|
|
Filters: []utils.FilterGroup{{
|
|
Filters: []utils.DynamicFilter{
|
|
{
|
|
Column: "status",
|
|
Operator: utils.OpNotEqual,
|
|
Value: "deleted",
|
|
},
|
|
{
|
|
Column: "name",
|
|
Operator: utils.OpContains,
|
|
Value: searchQuery,
|
|
LogicOp: "OR",
|
|
},
|
|
},
|
|
LogicOp: "AND",
|
|
}},
|
|
Sort: []utils.SortField{{
|
|
Column: "date_created",
|
|
Order: "DESC",
|
|
}},
|
|
Limit: 20,
|
|
Offset: 0,
|
|
}
|
|
|
|
// Parse pagination if provided
|
|
if limit := c.Query("limit"); limit != "" {
|
|
if l, err := strconv.Atoi(limit); err == nil && l > 0 && l <= 100 {
|
|
query.Limit = l
|
|
}
|
|
}
|
|
if offset := c.Query("offset"); offset != "" {
|
|
if o, err := strconv.Atoi(offset); err == nil && o >= 0 {
|
|
query.Offset = o
|
|
}
|
|
}
|
|
|
|
// Get database connection
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 30*time.Second)
|
|
defer cancel()
|
|
|
|
// Execute search
|
|
items, total, err := h.fetch` + data.Name + `sDynamic(ctx, dbConn, query)
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Search failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
// Build response
|
|
meta := h.calculateMeta(query.Limit, query.Offset, total)
|
|
response := models` + data.NameLower + `.` + data.Name + `GetResponse{
|
|
Message: fmt.Sprintf("Search results for '%s'", searchQuery),
|
|
Data: items,
|
|
Meta: meta,
|
|
}
|
|
|
|
c.JSON(http.StatusOK, response)
|
|
}`
|
|
}
|
|
|
|
func generateCreateMethod(data HandlerData) string {
|
|
return `
|
|
|
|
// Create` + data.Name + ` godoc
|
|
// @Summary Create ` + data.NameLower + `
|
|
// @Description Creates a new ` + data.NameLower + ` record
|
|
// @Tags ` + data.NameLower + `
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Param request body models` + data.NameLower + `.` + data.Name + `CreateRequest true "` + data.Name + ` creation request"
|
|
// @Success 201 {object} models` + data.NameLower + `.` + data.Name + `CreateResponse "` + data.Name + ` created successfully"
|
|
// @Failure 400 {object} models.ErrorResponse "Bad request or validation error"
|
|
// @Failure 500 {object} models.ErrorResponse "Internal server error"
|
|
// @Router /api/v1/` + data.NamePlural + ` [post]
|
|
func (h *` + data.Name + `Handler) Create` + data.Name + `(c *gin.Context) {
|
|
var req models` + data.NameLower + `.` + data.Name + `CreateRequest
|
|
if err := c.ShouldBindJSON(&req); err != nil {
|
|
h.respondError(c, "Invalid request body", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
// Validate request
|
|
if err := validate.Struct(&req); err != nil {
|
|
h.respondError(c, "Validation failed", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 15*time.Second)
|
|
defer cancel()
|
|
|
|
// Validate duplicate and daily submission
|
|
if err := h.validate` + data.Name + `Submission(ctx, dbConn, &req); err != nil {
|
|
h.respondError(c, "Validation failed", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
item, err := h.create` + data.Name + `(ctx, dbConn, &req)
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Failed to create ` + data.NameLower + `", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
response := models` + data.NameLower + `.` + data.Name + `CreateResponse{
|
|
Message: "` + data.Name + ` berhasil dibuat",
|
|
Data: item,
|
|
}
|
|
|
|
c.JSON(http.StatusCreated, response)
|
|
}`
|
|
}
|
|
|
|
func generateUpdateMethod(data HandlerData) string {
|
|
return `
|
|
|
|
// Update` + data.Name + ` godoc
|
|
// @Summary Update ` + data.NameLower + `
|
|
// @Description Updates an existing ` + data.NameLower + ` record
|
|
// @Tags ` + data.NameLower + `
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Param id path string true "` + data.Name + ` ID (UUID)"
|
|
// @Param request body models` + data.NameLower + `.` + data.Name + `UpdateRequest true "` + data.Name + ` update request"
|
|
// @Success 200 {object} models` + data.NameLower + `.` + data.Name + `UpdateResponse "` + data.Name + ` updated successfully"
|
|
// @Failure 400 {object} models.ErrorResponse "Bad request or validation error"
|
|
// @Failure 404 {object} models.ErrorResponse "` + data.Name + ` not found"
|
|
// @Failure 500 {object} models.ErrorResponse "Internal server error"
|
|
// @Router /api/v1/` + data.NameLower + `/{id} [put]
|
|
func (h *` + data.Name + `Handler) Update` + data.Name + `(c *gin.Context) {
|
|
id := c.Param("id")
|
|
|
|
// Validate UUID format
|
|
if _, err := uuid.Parse(id); err != nil {
|
|
h.respondError(c, "Invalid ID format", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
var req models` + data.NameLower + `.` + data.Name + `UpdateRequest
|
|
if err := c.ShouldBindJSON(&req); err != nil {
|
|
h.respondError(c, "Invalid request body", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
// Set ID from path parameter
|
|
req.ID = id
|
|
|
|
// Validate request
|
|
if err := validate.Struct(&req); err != nil {
|
|
h.respondError(c, "Validation failed", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 15*time.Second)
|
|
defer cancel()
|
|
|
|
item, err := h.update` + data.Name + `(ctx, dbConn, &req)
|
|
if err != nil {
|
|
if err == sql.ErrNoRows {
|
|
h.respondError(c, "` + data.Name + ` not found", err, http.StatusNotFound)
|
|
} else {
|
|
h.logAndRespondError(c, "Failed to update ` + data.NameLower + `", err, http.StatusInternalServerError)
|
|
}
|
|
return
|
|
}
|
|
|
|
response := models` + data.NameLower + `.` + data.Name + `UpdateResponse{
|
|
Message: "` + data.Name + ` berhasil diperbarui",
|
|
Data: item,
|
|
}
|
|
|
|
c.JSON(http.StatusOK, response)
|
|
}`
|
|
}
|
|
|
|
func generateDeleteMethod(data HandlerData) string {
|
|
return `
|
|
|
|
// Delete` + data.Name + ` godoc
|
|
// @Summary Delete ` + data.NameLower + `
|
|
// @Description Soft deletes a ` + data.NameLower + ` by setting status to 'deleted'
|
|
// @Tags ` + data.NameLower + `
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Param id path string true "` + data.Name + ` ID (UUID)"
|
|
// @Success 200 {object} models` + data.NameLower + `.` + data.Name + `DeleteResponse "` + data.Name + ` deleted successfully"
|
|
// @Failure 400 {object} models.ErrorResponse "Invalid ID format"
|
|
// @Failure 404 {object} models.ErrorResponse "` + data.Name + ` not found"
|
|
// @Failure 500 {object} models.ErrorResponse "Internal server error"
|
|
// @Router /api/v1/` + data.NameLower + `/{id} [delete]
|
|
func (h *` + data.Name + `Handler) Delete` + data.Name + `(c *gin.Context) {
|
|
id := c.Param("id")
|
|
|
|
// Validate UUID format
|
|
if _, err := uuid.Parse(id); err != nil {
|
|
h.respondError(c, "Invalid ID format", err, http.StatusBadRequest)
|
|
return
|
|
}
|
|
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 15*time.Second)
|
|
defer cancel()
|
|
|
|
err = h.delete` + data.Name + `(ctx, dbConn, id)
|
|
if err != nil {
|
|
if err == sql.ErrNoRows {
|
|
h.respondError(c, "` + data.Name + ` not found", err, http.StatusNotFound)
|
|
} else {
|
|
h.logAndRespondError(c, "Failed to delete ` + data.NameLower + `", err, http.StatusInternalServerError)
|
|
}
|
|
return
|
|
}
|
|
|
|
response := models` + data.NameLower + `.` + data.Name + `DeleteResponse{
|
|
Message: "` + data.Name + ` berhasil dihapus",
|
|
ID: id,
|
|
}
|
|
|
|
c.JSON(http.StatusOK, response)
|
|
}`
|
|
}
|
|
|
|
func generateStatsMethod(data HandlerData) string {
|
|
return `
|
|
|
|
// Get` + data.Name + `Stats godoc
|
|
// @Summary Get ` + data.NameLower + ` statistics
|
|
// @Description Returns comprehensive statistics about ` + data.NameLower + ` data
|
|
// @Tags ` + data.NameLower + `
|
|
// @Accept json
|
|
// @Produce json
|
|
// @Param status query string false "Filter statistics by status"
|
|
// @Success 200 {object} models.AggregateData "Statistics data"
|
|
// @Failure 500 {object} models` + data.NameLower + `.ErrorResponse "Internal server error"
|
|
// @Router /api/v1/` + data.NamePlural + `/stats [get]
|
|
func (h *` + data.Name + `Handler) Get` + data.Name + `Stats(c *gin.Context) {
|
|
dbConn, err := h.db.GetDB("postgres_satudata")
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Database connection failed", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
ctx, cancel := context.WithTimeout(c.Request.Context(), 15*time.Second)
|
|
defer cancel()
|
|
|
|
filter := h.parseFilterParams(c)
|
|
aggregateData, err := h.getAggregateData(ctx, dbConn, filter)
|
|
if err != nil {
|
|
h.logAndRespondError(c, "Failed to get statistics", err, http.StatusInternalServerError)
|
|
return
|
|
}
|
|
|
|
c.JSON(http.StatusOK, gin.H{
|
|
"message": "Statistik ` + data.NameLower + ` berhasil diambil",
|
|
"data": aggregateData,
|
|
})
|
|
}`
|
|
}
|
|
|
|
func generateHelperMethods(data HandlerData) string {
|
|
helperMethods := `
|
|
|
|
// Database operations
|
|
func (h *` + data.Name + `Handler) get` + data.Name + `ByID(ctx context.Context, dbConn *sql.DB, id string) (*models` + data.NameLower + `.` + data.Name + `, error) {
|
|
query := "SELECT id, status, sort, user_created, date_created, user_updated, date_updated, name FROM ` + data.TableName + ` WHERE id = $1 AND status != 'deleted'"
|
|
row := dbConn.QueryRowContext(ctx, query, id)
|
|
|
|
var item models` + data.NameLower + `.` + data.Name + `
|
|
err := row.Scan(&item.ID, &item.Status, &item.Sort, &item.UserCreated, &item.DateCreated, &item.UserUpdated, &item.DateUpdated, &item.Name)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
return &item, nil
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) create` + data.Name + `(ctx context.Context, dbConn *sql.DB, req *models` + data.NameLower + `.` + data.Name + `CreateRequest) (*models` + data.NameLower + `.` + data.Name + `, error) {
|
|
id := uuid.New().String()
|
|
now := time.Now()
|
|
|
|
query := "INSERT INTO ` + data.TableName + ` (id, status, date_created, date_updated, name) VALUES ($1, $2, $3, $4, $5) RETURNING id, status, sort, user_created, date_created, user_updated, date_updated, name"
|
|
row := dbConn.QueryRowContext(ctx, query, id, req.Status, now, now, req.Name)
|
|
|
|
var item models` + data.NameLower + `.` + data.Name + `
|
|
err := row.Scan(&item.ID, &item.Status, &item.Sort, &item.UserCreated, &item.DateCreated, &item.UserUpdated, &item.DateUpdated, &item.Name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to create ` + data.NameLower + `: %w", err)
|
|
}
|
|
|
|
return &item, nil
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) update` + data.Name + `(ctx context.Context, dbConn *sql.DB, req *models` + data.NameLower + `.` + data.Name + `UpdateRequest) (*models` + data.NameLower + `.` + data.Name + `, error) {
|
|
now := time.Now()
|
|
|
|
query := "UPDATE ` + data.TableName + ` SET status = $2, date_updated = $3, name = $4 WHERE id = $1 AND status != 'deleted' RETURNING id, status, sort, user_created, date_created, user_updated, date_updated, name"
|
|
row := dbConn.QueryRowContext(ctx, query, req.ID, req.Status, now, req.Name)
|
|
|
|
var item models` + data.NameLower + `.` + data.Name + `
|
|
err := row.Scan(&item.ID, &item.Status, &item.Sort, &item.UserCreated, &item.DateCreated, &item.UserUpdated, &item.DateUpdated, &item.Name)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("failed to update ` + data.NameLower + `: %w", err)
|
|
}
|
|
|
|
return &item, nil
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) delete` + data.Name + `(ctx context.Context, dbConn *sql.DB, id string) error {
|
|
now := time.Now()
|
|
query := "UPDATE ` + data.TableName + ` SET status = 'deleted', date_updated = $2 WHERE id = $1 AND status != 'deleted'"
|
|
|
|
result, err := dbConn.ExecContext(ctx, query, id, now)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to delete ` + data.NameLower + `: %w", err)
|
|
}
|
|
|
|
rowsAffected, err := result.RowsAffected()
|
|
if err != nil {
|
|
return fmt.Errorf("failed to get affected rows: %w", err)
|
|
}
|
|
|
|
if rowsAffected == 0 {
|
|
return sql.ErrNoRows
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) fetch` + data.Name + `s(ctx context.Context, dbConn *sql.DB, filter models` + data.NameLower + `.` + data.Name + `Filter, limit, offset int) ([]models` + data.NameLower + `.` + data.Name + `, error) {
|
|
whereClause, args := h.buildWhereClause(filter)
|
|
query := fmt.Sprintf("SELECT id, status, sort, user_created, date_created, user_updated, date_updated, name FROM ` + data.TableName + ` WHERE %s ORDER BY date_created DESC NULLS LAST LIMIT $%d OFFSET $%d", whereClause, len(args)+1, len(args)+2)
|
|
args = append(args, limit, offset)
|
|
|
|
rows, err := dbConn.QueryContext(ctx, query, args...)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("fetch ` + data.NamePlural + ` query failed: %w", err)
|
|
}
|
|
defer rows.Close()
|
|
|
|
items := make([]models` + data.NameLower + `.` + data.Name + `, 0, limit)
|
|
for rows.Next() {
|
|
item, err := h.scan` + data.Name + `(rows)
|
|
if err != nil {
|
|
return nil, fmt.Errorf("scan ` + data.Name + ` failed: %w", err)
|
|
}
|
|
items = append(items, item)
|
|
}
|
|
|
|
if err := rows.Err(); err != nil {
|
|
return nil, fmt.Errorf("rows iteration error: %w", err)
|
|
}
|
|
|
|
log.Printf("Successfully fetched %d ` + data.NamePlural + ` with filters applied", len(items))
|
|
return items, nil
|
|
}`
|
|
|
|
// Add dynamic fetch method if needed
|
|
if data.HasDynamic {
|
|
helperMethods += `
|
|
|
|
// fetchRetribusisDynamic executes dynamic query
|
|
func (h *` + data.Name + `Handler) fetch` + data.Name + `sDynamic(ctx context.Context, dbConn *sql.DB, query utils.DynamicQuery) ([]models` + data.NameLower + `.` + data.Name + `, int, error) {
|
|
// Setup query builder
|
|
builder := utils.NewQueryBuilder("` + data.TableName + `").
|
|
SetAllowedColumns([]string{
|
|
"id", "status", "sort", "user_created", "date_created",
|
|
"user_updated", "date_updated", "name",
|
|
})
|
|
|
|
// Add default filter to exclude deleted records
|
|
query.Filters = append([]utils.FilterGroup{{
|
|
Filters: []utils.DynamicFilter{{
|
|
Column: "status",
|
|
Operator: utils.OpNotEqual,
|
|
Value: "deleted",
|
|
}},
|
|
LogicOp: "AND",
|
|
}}, query.Filters...)
|
|
|
|
// Execute concurrent queries
|
|
var (
|
|
items []models` + data.NameLower + `.` + data.Name + `
|
|
total int
|
|
wg sync.WaitGroup
|
|
errChan = make(chan error, 2)
|
|
mu sync.Mutex
|
|
)
|
|
|
|
// Fetch total count
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
countQuery := query
|
|
countQuery.Limit = 0
|
|
countQuery.Offset = 0
|
|
countSQL, countArgs, err := builder.BuildCountQuery(countQuery)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("failed to build count query: %w", err)
|
|
return
|
|
}
|
|
if err := dbConn.QueryRowContext(ctx, countSQL, countArgs...).Scan(&total); err != nil {
|
|
errChan <- fmt.Errorf("failed to get total count: %w", err)
|
|
return
|
|
}
|
|
}()
|
|
|
|
// Fetch main data
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
mainSQL, mainArgs, err := builder.BuildQuery(query)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("failed to build main query: %w", err)
|
|
return
|
|
}
|
|
|
|
rows, err := dbConn.QueryContext(ctx, mainSQL, mainArgs...)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("failed to execute main query: %w", err)
|
|
return
|
|
}
|
|
defer rows.Close()
|
|
|
|
var results []models` + data.NameLower + `.` + data.Name + `
|
|
for rows.Next() {
|
|
item, err := h.scan` + data.Name + `(rows)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("failed to scan ` + data.NameLower + `: %w", err)
|
|
return
|
|
}
|
|
results = append(results, item)
|
|
}
|
|
|
|
if err := rows.Err(); err != nil {
|
|
errChan <- fmt.Errorf("rows iteration error: %w", err)
|
|
return
|
|
}
|
|
|
|
mu.Lock()
|
|
items = results
|
|
mu.Unlock()
|
|
}()
|
|
|
|
// Wait for all goroutines
|
|
wg.Wait()
|
|
close(errChan)
|
|
|
|
// Check for errors
|
|
for err := range errChan {
|
|
if err != nil {
|
|
return nil, 0, err
|
|
}
|
|
}
|
|
|
|
return items, total, nil
|
|
}
|
|
|
|
// Optimized scanning function yang menggunakan sql.Null* types langsung
|
|
func (h *` + data.Name + `Handler) scan` + data.Name + `(rows *sql.Rows) (models` + data.NameLower + `.` + data.Name + `, error) {
|
|
var item models` + data.NameLower + `.` + data.Name + `
|
|
return item, rows.Scan(
|
|
&item.ID, &item.Status, &item.Sort, &item.UserCreated,
|
|
&item.DateCreated, &item.UserUpdated, &item.DateUpdated, &item.Name,
|
|
)
|
|
}`
|
|
}
|
|
|
|
helperMethods += `
|
|
|
|
func (h *` + data.Name + `Handler) getTotalCount(ctx context.Context, dbConn *sql.DB, filter models` + data.NameLower + `.` + data.Name + `Filter, total *int) error {
|
|
whereClause, args := h.buildWhereClause(filter)
|
|
countQuery := fmt.Sprintf("SELECT COUNT(*) FROM ` + data.TableName + ` WHERE %s", whereClause)
|
|
if err := dbConn.QueryRowContext(ctx, countQuery, args...).Scan(total); err != nil {
|
|
return fmt.Errorf("total count query failed: %w", err)
|
|
}
|
|
return nil
|
|
}
|
|
|
|
// Get comprehensive aggregate data dengan filter support
|
|
func (h *` + data.Name + `Handler) getAggregateData(ctx context.Context, dbConn *sql.DB, filter models` + data.NameLower + `.` + data.Name + `Filter) (*models.AggregateData, error) {
|
|
aggregate := &models.AggregateData{
|
|
ByStatus: make(map[string]int),
|
|
}
|
|
|
|
// Build where clause untuk filter
|
|
whereClause, args := h.buildWhereClause(filter)
|
|
|
|
// Use concurrent execution untuk performance
|
|
var wg sync.WaitGroup
|
|
var mu sync.Mutex
|
|
errChan := make(chan error, 4)
|
|
|
|
// 1. Count by status
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
statusQuery := fmt.Sprintf("SELECT status, COUNT(*) FROM ` + data.TableName + ` WHERE %s GROUP BY status ORDER BY status", whereClause)
|
|
|
|
rows, err := dbConn.QueryContext(ctx, statusQuery, args...)
|
|
if err != nil {
|
|
errChan <- fmt.Errorf("status query failed: %w", err)
|
|
return
|
|
}
|
|
defer rows.Close()
|
|
|
|
mu.Lock()
|
|
for rows.Next() {
|
|
var status string
|
|
var count int
|
|
if err := rows.Scan(&status, &count); err != nil {
|
|
mu.Unlock()
|
|
errChan <- fmt.Errorf("status scan failed: %w", err)
|
|
return
|
|
}
|
|
aggregate.ByStatus[status] = count
|
|
switch status {
|
|
case "active":
|
|
aggregate.TotalActive = count
|
|
case "draft":
|
|
aggregate.TotalDraft = count
|
|
case "inactive":
|
|
aggregate.TotalInactive = count
|
|
}
|
|
}
|
|
mu.Unlock()
|
|
|
|
if err := rows.Err(); err != nil {
|
|
errChan <- fmt.Errorf("status iteration error: %w", err)
|
|
}
|
|
}()
|
|
|
|
// 2. Get last updated time dan today statistics
|
|
wg.Add(1)
|
|
go func() {
|
|
defer wg.Done()
|
|
|
|
// Last updated
|
|
lastUpdatedQuery := fmt.Sprintf("SELECT MAX(date_updated) FROM ` + data.TableName + ` WHERE %s AND date_updated IS NOT NULL", whereClause)
|
|
var lastUpdated sql.NullTime
|
|
if err := dbConn.QueryRowContext(ctx, lastUpdatedQuery, args...).Scan(&lastUpdated); err != nil {
|
|
errChan <- fmt.Errorf("last updated query failed: %w", err)
|
|
return
|
|
}
|
|
|
|
// Today statistics
|
|
today := time.Now().Format("2006-01-02")
|
|
todayStatsQuery := fmt.Sprintf(` + "`" + `
|
|
SELECT
|
|
SUM(CASE WHEN DATE(date_created) = $%d THEN 1 ELSE 0 END) as created_today,
|
|
SUM(CASE WHEN DATE(date_updated) = $%d AND DATE(date_created) != $%d THEN 1 ELSE 0 END) as updated_today
|
|
FROM ` + data.TableName + `
|
|
WHERE %s` + "`" + `, len(args)+1, len(args)+1, len(args)+1, whereClause)
|
|
|
|
todayArgs := append(args, today)
|
|
var createdToday, updatedToday int
|
|
if err := dbConn.QueryRowContext(ctx, todayStatsQuery, todayArgs...).Scan(&createdToday, &updatedToday); err != nil {
|
|
errChan <- fmt.Errorf("today stats query failed: %w", err)
|
|
return
|
|
}
|
|
|
|
mu.Lock()
|
|
if lastUpdated.Valid {
|
|
aggregate.LastUpdated = &lastUpdated.Time
|
|
}
|
|
aggregate.CreatedToday = createdToday
|
|
aggregate.UpdatedToday = updatedToday
|
|
mu.Unlock()
|
|
}()
|
|
|
|
// Wait for all goroutines
|
|
wg.Wait()
|
|
close(errChan)
|
|
|
|
// Check for errors
|
|
for err := range errChan {
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
}
|
|
|
|
return aggregate, nil
|
|
}
|
|
|
|
// Enhanced error handling
|
|
func (h *` + data.Name + `Handler) logAndRespondError(c *gin.Context, message string, err error, statusCode int) {
|
|
log.Printf("[ERROR] %s: %v", message, err)
|
|
h.respondError(c, message, err, statusCode)
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) respondError(c *gin.Context, message string, err error, statusCode int) {
|
|
errorMessage := message
|
|
if gin.Mode() == gin.ReleaseMode {
|
|
errorMessage = "Internal server error"
|
|
}
|
|
|
|
c.JSON(statusCode, models.ErrorResponse{
|
|
Error: errorMessage,
|
|
Code: statusCode,
|
|
Message: err.Error(),
|
|
Timestamp: time.Now(),
|
|
})
|
|
}
|
|
|
|
// Parse pagination parameters dengan validation yang lebih ketat
|
|
func (h *` + data.Name + `Handler) parsePaginationParams(c *gin.Context) (int, int, error) {
|
|
limit := 10 // Default limit
|
|
offset := 0 // Default offset
|
|
|
|
if limitStr := c.Query("limit"); limitStr != "" {
|
|
parsedLimit, err := strconv.Atoi(limitStr)
|
|
if err != nil {
|
|
return 0, 0, fmt.Errorf("invalid limit parameter: %s", limitStr)
|
|
}
|
|
if parsedLimit <= 0 {
|
|
return 0, 0, fmt.Errorf("limit must be greater than 0")
|
|
}
|
|
if parsedLimit > 100 {
|
|
return 0, 0, fmt.Errorf("limit cannot exceed 100")
|
|
}
|
|
limit = parsedLimit
|
|
}
|
|
|
|
if offsetStr := c.Query("offset"); offsetStr != "" {
|
|
parsedOffset, err := strconv.Atoi(offsetStr)
|
|
if err != nil {
|
|
return 0, 0, fmt.Errorf("invalid offset parameter: %s", offsetStr)
|
|
}
|
|
if parsedOffset < 0 {
|
|
return 0, 0, fmt.Errorf("offset cannot be negative")
|
|
}
|
|
offset = parsedOffset
|
|
}
|
|
|
|
log.Printf("Pagination - Limit: %d, Offset: %d", limit, offset)
|
|
return limit, offset, nil
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) parseFilterParams(c *gin.Context) models` + data.NameLower + `.` + data.Name + `Filter {
|
|
filter := models` + data.NameLower + `.` + data.Name + `Filter{}
|
|
|
|
if status := c.Query("status"); status != "" {
|
|
if models.IsValidStatus(status) {
|
|
filter.Status = &status
|
|
}
|
|
}
|
|
|
|
if search := c.Query("search"); search != "" {
|
|
filter.Search = &search
|
|
}
|
|
|
|
// Parse date filters
|
|
if dateFromStr := c.Query("date_from"); dateFromStr != "" {
|
|
if dateFrom, err := time.Parse("2006-01-02", dateFromStr); err == nil {
|
|
filter.DateFrom = &dateFrom
|
|
}
|
|
}
|
|
|
|
if dateToStr := c.Query("date_to"); dateToStr != "" {
|
|
if dateTo, err := time.Parse("2006-01-02", dateToStr); err == nil {
|
|
filter.DateTo = &dateTo
|
|
}
|
|
}
|
|
|
|
return filter
|
|
}
|
|
|
|
// Build WHERE clause dengan filter parameters
|
|
func (h *` + data.Name + `Handler) buildWhereClause(filter models` + data.NameLower + `.` + data.Name + `Filter) (string, []interface{}) {
|
|
conditions := []string{"status != 'deleted'"}
|
|
args := []interface{}{}
|
|
paramCount := 1
|
|
|
|
if filter.Status != nil {
|
|
conditions = append(conditions, fmt.Sprintf("status = $%d", paramCount))
|
|
args = append(args, *filter.Status)
|
|
paramCount++
|
|
}
|
|
|
|
if filter.Search != nil {
|
|
searchCondition := fmt.Sprintf("name ILIKE $%d", paramCount)
|
|
conditions = append(conditions, searchCondition)
|
|
searchTerm := "%" + *filter.Search + "%"
|
|
args = append(args, searchTerm)
|
|
paramCount++
|
|
}
|
|
|
|
if filter.DateFrom != nil {
|
|
conditions = append(conditions, fmt.Sprintf("date_created >= $%d", paramCount))
|
|
args = append(args, *filter.DateFrom)
|
|
paramCount++
|
|
}
|
|
|
|
if filter.DateTo != nil {
|
|
conditions = append(conditions, fmt.Sprintf("date_created <= $%d", paramCount))
|
|
args = append(args, filter.DateTo.Add(24*time.Hour-time.Nanosecond))
|
|
paramCount++
|
|
}
|
|
|
|
return strings.Join(conditions, " AND "), args
|
|
}
|
|
|
|
func (h *` + data.Name + `Handler) calculateMeta(limit, offset, total int) models.MetaResponse {
|
|
totalPages := 0
|
|
currentPage := 1
|
|
if limit > 0 {
|
|
totalPages = (total + limit - 1) / limit // Ceiling division
|
|
currentPage = (offset / limit) + 1
|
|
}
|
|
|
|
return models.MetaResponse{
|
|
Limit: limit,
|
|
Offset: offset,
|
|
Total: total,
|
|
TotalPages: totalPages,
|
|
CurrentPage: currentPage,
|
|
HasNext: offset+limit < total,
|
|
HasPrev: offset > 0,
|
|
}
|
|
}
|
|
|
|
// validate` + data.Name + `Submission performs validation for duplicate entries and daily submission limits
|
|
func (h *` + data.Name + `Handler) validate` + data.Name + `Submission(ctx context.Context, dbConn *sql.DB, req *models` + data.NameLower + `.` + data.Name + `CreateRequest) error {
|
|
// Import the validation utility
|
|
validator := validation.NewDuplicateValidator(dbConn)
|
|
|
|
// Use default configuration
|
|
config := validation.ValidationConfig{
|
|
TableName: "` + data.TableName + `",
|
|
IDColumn: "id",
|
|
StatusColumn: "status",
|
|
DateColumn: "date_created",
|
|
ActiveStatuses: []string{"active", "draft"},
|
|
}
|
|
|
|
// Validate duplicate entries with active status for today
|
|
err := validator.ValidateDuplicate(ctx, config, "dummy_id")
|
|
if err != nil {
|
|
return fmt.Errorf("validation failed: %w", err)
|
|
}
|
|
|
|
// Validate once per day submission
|
|
err = validator.ValidateOncePerDay(ctx, "` + data.TableName + `", "id", "date_created", "daily_limit")
|
|
if err != nil {
|
|
return fmt.Errorf("daily submission limit exceeded: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// Example usage of the validation utility with custom configuration
|
|
func (h *` + data.Name + `Handler) validateWithCustomConfig(ctx context.Context, dbConn *sql.DB, req *models` + data.NameLower + `.` + data.Name + `CreateRequest) error {
|
|
// Create validator instance
|
|
validator := validation.NewDuplicateValidator(dbConn)
|
|
|
|
// Use custom configuration
|
|
config := validation.ValidationConfig{
|
|
TableName: "` + data.TableName + `",
|
|
IDColumn: "id",
|
|
StatusColumn: "status",
|
|
DateColumn: "date_created",
|
|
ActiveStatuses: []string{"active", "draft"},
|
|
AdditionalFields: map[string]interface{}{
|
|
"name": req.Name,
|
|
},
|
|
}
|
|
|
|
// Validate with custom fields
|
|
fields := map[string]interface{}{
|
|
"name": *req.Name,
|
|
}
|
|
|
|
err := validator.ValidateDuplicateWithCustomFields(ctx, config, fields)
|
|
if err != nil {
|
|
return fmt.Errorf("custom validation failed: %w", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
// GetLastSubmissionTime example
|
|
func (h *` + data.Name + `Handler) getLastSubmissionTimeExample(ctx context.Context, dbConn *sql.DB, identifier string) (*time.Time, error) {
|
|
validator := validation.NewDuplicateValidator(dbConn)
|
|
return validator.GetLastSubmissionTime(ctx, "` + data.TableName + `", "id", "date_created", identifier)
|
|
}`
|
|
|
|
return helperMethods
|
|
}
|
|
|
|
// Keep existing functions for model generation and routes...
|
|
// (The remaining functions stay the same as in the original file)
|
|
|
|
// ================= MODEL GENERATION =====================
|
|
func generateModelFile(data HandlerData, modelDir string) {
|
|
modelContent := `package models
|
|
|
|
import (
|
|
"` + data.ModuleName + `/internal/models"
|
|
"database/sql"
|
|
"encoding/json"
|
|
"time"
|
|
)
|
|
|
|
// ` + data.Name + ` represents the data structure for the ` + data.NameLower + ` table
|
|
// with proper null handling and optimized JSON marshaling
|
|
type ` + data.Name + ` struct {
|
|
ID string ` + "`json:\"id\" db:\"id\"`" + `
|
|
Status string ` + "`json:\"status\" db:\"status\"`" + `
|
|
Sort models.NullableInt32 ` + "`json:\"sort,omitempty\" db:\"sort\"`" + `
|
|
UserCreated sql.NullString ` + "`json:\"user_created,omitempty\" db:\"user_created\"`" + `
|
|
DateCreated sql.NullTime ` + "`json:\"date_created,omitempty\" db:\"date_created\"`" + `
|
|
UserUpdated sql.NullString ` + "`json:\"user_updated,omitempty\" db:\"user_updated\"`" + `
|
|
DateUpdated sql.NullTime ` + "`json:\"date_updated,omitempty\" db:\"date_updated\"`" + `
|
|
Name sql.NullString ` + "`json:\"name,omitempty\" db:\"name\"`" + `
|
|
}
|
|
|
|
// Custom JSON marshaling untuk ` + data.Name + ` agar NULL values tidak muncul di response
|
|
func (r ` + data.Name + `) MarshalJSON() ([]byte, error) {
|
|
type Alias ` + data.Name + `
|
|
aux := &struct {
|
|
Sort *int ` + "`json:\"sort,omitempty\"`" + `
|
|
UserCreated *string ` + "`json:\"user_created,omitempty\"`" + `
|
|
DateCreated *time.Time ` + "`json:\"date_created,omitempty\"`" + `
|
|
UserUpdated *string ` + "`json:\"user_updated,omitempty\"`" + `
|
|
DateUpdated *time.Time ` + "`json:\"date_updated,omitempty\"`" + `
|
|
Name *string ` + "`json:\"name,omitempty\"`" + `
|
|
*Alias
|
|
}{
|
|
Alias: (*Alias)(&r),
|
|
}
|
|
|
|
// Convert NullableInt32 to pointer
|
|
if r.Sort.Valid {
|
|
sort := int(r.Sort.Int32)
|
|
aux.Sort = &sort
|
|
}
|
|
|
|
if r.UserCreated.Valid {
|
|
aux.UserCreated = &r.UserCreated.String
|
|
}
|
|
|
|
if r.DateCreated.Valid {
|
|
aux.DateCreated = &r.DateCreated.Time
|
|
}
|
|
|
|
if r.UserUpdated.Valid {
|
|
aux.UserUpdated = &r.UserUpdated.String
|
|
}
|
|
|
|
if r.DateUpdated.Valid {
|
|
aux.DateUpdated = &r.DateUpdated.Time
|
|
}
|
|
|
|
if r.Name.Valid {
|
|
aux.Name = &r.Name.String
|
|
}
|
|
|
|
return json.Marshal(aux)
|
|
}
|
|
|
|
// Helper methods untuk mendapatkan nilai yang aman
|
|
func (r *` + data.Name + `) GetName() string {
|
|
if r.Name.Valid {
|
|
return r.Name.String
|
|
}
|
|
return ""
|
|
}`
|
|
|
|
// Add request/response structs based on enabled methods
|
|
if data.HasGet {
|
|
modelContent += `
|
|
|
|
// Response struct untuk GET by ID - diperbaiki struktur
|
|
type ` + data.Name + `GetByIDResponse struct {
|
|
Message string ` + "`json:\"message\"`" + `
|
|
Data *` + data.Name + ` ` + "`json:\"data\"`" + `
|
|
}
|
|
|
|
// Enhanced GET response dengan pagination dan aggregation
|
|
type ` + data.Name + `GetResponse struct {
|
|
Message string ` + "`json:\"message\"`" + `
|
|
Data []` + data.Name + ` ` + "`json:\"data\"`" + `
|
|
Meta models.MetaResponse ` + "`json:\"meta\"`" + `
|
|
Summary *models.AggregateData ` + "`json:\"summary,omitempty\"`" + `
|
|
}`
|
|
}
|
|
|
|
if data.HasPost {
|
|
modelContent += `
|
|
|
|
// Request struct untuk create - dioptimalkan dengan validasi
|
|
type ` + data.Name + `CreateRequest struct {
|
|
Status string ` + "`json:\"status\" validate:\"required,oneof=draft active inactive\"`" + `
|
|
Name *string ` + "`json:\"name,omitempty\" validate:\"omitempty,min=1,max=255\"`" + `
|
|
}
|
|
|
|
// Response struct untuk create
|
|
type ` + data.Name + `CreateResponse struct {
|
|
Message string ` + "`json:\"message\"`" + `
|
|
Data *` + data.Name + ` ` + "`json:\"data\"`" + `
|
|
}`
|
|
}
|
|
|
|
if data.HasPut {
|
|
modelContent += `
|
|
|
|
// Update request - sama seperti create tapi dengan ID
|
|
type ` + data.Name + `UpdateRequest struct {
|
|
ID string ` + "`json:\"-\" validate:\"required,uuid4\"`" + ` // ID dari URL path
|
|
Status string ` + "`json:\"status\" validate:\"required,oneof=draft active inactive\"`" + `
|
|
Name *string ` + "`json:\"name,omitempty\" validate:\"omitempty,min=1,max=255\"`" + `
|
|
}
|
|
|
|
// Response struct untuk update
|
|
type ` + data.Name + `UpdateResponse struct {
|
|
Message string ` + "`json:\"message\"`" + `
|
|
Data *` + data.Name + ` ` + "`json:\"data\"`" + `
|
|
}`
|
|
}
|
|
|
|
if data.HasDelete {
|
|
modelContent += `
|
|
|
|
// Response struct untuk delete
|
|
type ` + data.Name + `DeleteResponse struct {
|
|
Message string ` + "`json:\"message\"`" + `
|
|
ID string ` + "`json:\"id\"`" + `
|
|
}`
|
|
}
|
|
|
|
// Add filter struct
|
|
modelContent += `
|
|
|
|
// Filter struct untuk query parameters
|
|
type ` + data.Name + `Filter struct {
|
|
Status *string ` + "`json:\"status,omitempty\" form:\"status\"`" + `
|
|
Search *string ` + "`json:\"search,omitempty\" form:\"search\"`" + `
|
|
DateFrom *time.Time ` + "`json:\"date_from,omitempty\" form:\"date_from\"`" + `
|
|
DateTo *time.Time ` + "`json:\"date_to,omitempty\" form:\"date_to\"`" + `
|
|
}`
|
|
|
|
writeFile(filepath.Join(modelDir, data.NameLower+".go"), modelContent)
|
|
}
|
|
|
|
// ================= ROUTES GENERATION =====================
|
|
func updateRoutesFile(data HandlerData) {
|
|
routesFile := "internal/routes/v1/routes.go"
|
|
content, err := os.ReadFile(routesFile)
|
|
if err != nil {
|
|
fmt.Printf("⚠️ Could not read routes.go: %v\n", err)
|
|
fmt.Printf("📝 Please manually add these routes to your routes.go file:\n")
|
|
printRoutesSample(data)
|
|
return
|
|
}
|
|
|
|
routesContent := string(content)
|
|
|
|
// Build import path
|
|
var importPath, importAlias string
|
|
if data.Category != "" {
|
|
importPath = fmt.Sprintf("%s/internal/handlers", data.ModuleName)
|
|
importAlias = data.NameLower + "Handlers"
|
|
} else {
|
|
importPath = fmt.Sprintf("%s/internal/handlers", data.ModuleName)
|
|
importAlias = data.NameLower + "Handlers"
|
|
}
|
|
|
|
// Add import
|
|
importPattern := fmt.Sprintf("%s \"%s\"", importAlias, importPath)
|
|
if !strings.Contains(routesContent, importPattern) {
|
|
importToAdd := fmt.Sprintf("\t%s \"%s\"", importAlias, importPath)
|
|
if strings.Contains(routesContent, "import (") {
|
|
routesContent = strings.Replace(routesContent, "import (",
|
|
"import (\n"+importToAdd, 1)
|
|
}
|
|
}
|
|
|
|
// Build new routes in protected group format
|
|
newRoutes := generateProtectedRouteBlock(data)
|
|
|
|
// Insert above protected routes marker
|
|
insertMarker := "// ============= PUBLISHED ROUTES ==============================================="
|
|
if strings.Contains(routesContent, insertMarker) {
|
|
if !strings.Contains(routesContent, fmt.Sprintf("New%sHandler", data.Name)) {
|
|
// Insert before the marker
|
|
routesContent = strings.Replace(routesContent, insertMarker,
|
|
newRoutes+"\n\t"+insertMarker, 1)
|
|
} else {
|
|
fmt.Printf("✅ Routes for %s already exist, skipping...\n", data.Name)
|
|
return
|
|
}
|
|
} else {
|
|
// Fallback: insert at end of setupV1Routes function
|
|
setupFuncEnd := "\treturn r"
|
|
if strings.Contains(routesContent, setupFuncEnd) {
|
|
routesContent = strings.Replace(routesContent, setupFuncEnd,
|
|
newRoutes+"\n\n\t"+setupFuncEnd, 1)
|
|
}
|
|
}
|
|
|
|
if err := os.WriteFile(routesFile, []byte(routesContent), 0644); err != nil {
|
|
fmt.Printf("Error writing routes.go: %v\n", err)
|
|
return
|
|
}
|
|
|
|
fmt.Printf("✅ Updated routes.go with %s endpoints\n", data.Name)
|
|
}
|
|
|
|
func generateProtectedRouteBlock(data HandlerData) string {
|
|
routes := fmt.Sprintf(`
|
|
// %s endpoints
|
|
%sHandler := %sHandlers.New%sHandler()
|
|
%sGroup := v1.Group("/%s")
|
|
{
|
|
%sGroup.GET("", %sHandler.Get%s)`,
|
|
strings.Title(data.NamePlural), data.NameLower, data.NameLower, data.Name,
|
|
data.NameLower, data.NameLower,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
|
|
if data.HasDynamic {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.GET("/dynamic", %sHandler.Get%sDynamic) // Route baru`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
if data.HasSearch {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.GET("/search", %sHandler.Search%sAdvanced) // Route pencarian`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.GET("/:id", %sHandler.Get%sByID)`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
|
|
if data.HasPost {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.POST("", %sHandler.Create%s)`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
if data.HasPut {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.PUT("/:id", %sHandler.Update%s)`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
if data.HasDelete {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.DELETE("/:id", %sHandler.Delete%s)`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
if data.HasStats {
|
|
routes += fmt.Sprintf(`
|
|
%sGroup.GET("/stats", %sHandler.Get%sStats)`,
|
|
data.NameLower, data.NameLower, data.Name)
|
|
}
|
|
|
|
routes += `
|
|
}`
|
|
|
|
return routes
|
|
}
|
|
|
|
func printRoutesSample(data HandlerData) {
|
|
fmt.Print(generateProtectedRouteBlock(data))
|
|
fmt.Println()
|
|
}
|
|
|
|
// ================= UTILITY FUNCTIONS =====================
|
|
func writeFile(filename, content string) {
|
|
if err := os.WriteFile(filename, []byte(content), 0644); err != nil {
|
|
fmt.Printf("❌ Error creating file %s: %v\n", filename, err)
|
|
return
|
|
}
|
|
fmt.Printf("✅ Generated: %s\n", filename)
|
|
}
|