Feat(BE-36,37,38,39): finish master data management api

2026-05-21 13:55:43 +00:00 · 2025-10-03 21:04:21 +07:00
parent e8905be856
commit 2d49ffe4cd
103 changed files with 6974 additions and 117 deletions
@@ -0,0 +1,384 @@
+package service
+
+import (
+	"errors"
+	"fmt"
+	"strings"
+
+	common "gitlab.com/mbugroup/lti-api.git/internal/common/service"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	repository "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products/repositories"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/master/products/validations"
+	"gitlab.com/mbugroup/lti-api.git/internal/utils"
+
+	"github.com/go-playground/validator/v10"
+	"github.com/gofiber/fiber/v2"
+	"github.com/sirupsen/logrus"
+	"gorm.io/gorm"
+)
+
+type ProductService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.Product, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.Product, error)
+	CreateOne(ctx *fiber.Ctx, req *validation.Create) (*entity.Product, error)
+	UpdateOne(ctx *fiber.Ctx, req *validation.Update, id uint) (*entity.Product, error)
+	DeleteOne(ctx *fiber.Ctx, id uint) error
+}
+
+type productService struct {
+	Log        *logrus.Logger
+	Validate   *validator.Validate
+	Repository repository.ProductRepository
+}
+
+func normalizeProductFlags(raw []string) ([]string, error) {
+	normalized, invalid := utils.NormalizeFlagsForGroup(raw, utils.FlagGroupProduct)
+	if len(invalid) > 0 {
+		invalidStr := strings.Join(utils.FlagTypesToStrings(invalid), ", ")
+		allowedStr := strings.Join(utils.FlagTypesToStrings(utils.AllowedFlagTypes(utils.FlagGroupProduct)), ", ")
+		return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Invalid product flags: %s. Allowed flags: %s", invalidStr, allowedStr))
+	}
+	return utils.FlagTypesToStrings(normalized), nil
+}
+
+func NewProductService(repo repository.ProductRepository, validate *validator.Validate) ProductService {
+	return &productService{
+		Log:        utils.Log,
+		Validate:   validate,
+		Repository: repo,
+	}
+}
+
+func (s productService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.
+		Preload("CreatedUser").
+		Preload("Uom").
+		Preload("ProductCategory").
+		Preload("Flags").
+		Preload("Suppliers", func(db *gorm.DB) *gorm.DB {
+			return db.Order("suppliers.name ASC")
+		})
+}
+
+func (s productService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.Product, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	offset := (params.Page - 1) * params.Limit
+
+	products, total, err := s.Repository.GetAll(c.Context(), offset, params.Limit, func(db *gorm.DB) *gorm.DB {
+		db = s.withRelations(db)
+		if params.Search != "" {
+			return db.Where("name LIKE ?", "%"+params.Search+"%")
+		}
+		return db.Order("created_at DESC").Order("updated_at DESC")
+	})
+
+	if err != nil {
+		s.Log.Errorf("Failed to get products: %+v", err)
+		return nil, 0, err
+	}
+	return products, total, nil
+}
+
+func (s productService) GetOne(c *fiber.Ctx, id uint) (*entity.Product, error) {
+	product, err := s.Repository.GetByID(c.Context(), id, s.withRelations)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusNotFound, "Product not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed get product by id: %+v", err)
+		return nil, err
+	}
+	return product, nil
+}
+
+func (s *productService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entity.Product, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	ctx := c.Context()
+	name := strings.TrimSpace(req.Name)
+	brand := strings.TrimSpace(req.Brand)
+	var sku *string
+	if req.Sku != nil {
+		trimmed := strings.ToUpper(strings.TrimSpace(*req.Sku))
+		if trimmed != "" {
+			sku = &trimmed
+		}
+	}
+
+	if exists, err := s.Repository.NameExists(ctx, name, nil); err != nil {
+		s.Log.Errorf("Failed to check product name: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product name")
+	} else if exists {
+		return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Product with name %s already exists", name))
+	}
+
+	if sku != nil {
+		if exists, err := s.Repository.SkuExists(ctx, *sku, nil); err != nil {
+			s.Log.Errorf("Failed to check product sku: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product sku")
+		} else if exists {
+			return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Product with sku %s already exists", *sku))
+		}
+	}
+
+	if err := common.EnsureRelations(ctx,
+		common.RelationCheck{Name: "Uom", ID: &req.UomID, Exists: s.Repository.UomExists},
+		common.RelationCheck{Name: "Product category", ID: &req.ProductCategoryID, Exists: s.Repository.CategoryExists},
+	); err != nil {
+		return nil, err
+	}
+
+	supplierIDs := utils.UniqueUintSlice(req.SupplierIDs)
+	var err error
+	if len(supplierIDs) > 0 {
+		suppliers, err := s.Repository.GetSuppliersByIDs(ctx, supplierIDs)
+		if err != nil {
+			s.Log.Errorf("Failed to validate suppliers: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate suppliers")
+		}
+		if len(suppliers) != len(supplierIDs) {
+			actual := make([]uint, len(suppliers))
+			for i, supplier := range suppliers {
+				actual[i] = supplier.Id
+			}
+			missing := utils.MissingUintIDs(supplierIDs, actual)
+			return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Suppliers with ids %v not found", missing))
+		}
+		for _, sup := range suppliers {
+			if strings.ToUpper(sup.Category) != string(utils.SupplierCategorySapronak) {
+				return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Supplier with id %d is not category SAPRONAK", sup.Id))
+			}
+		}
+	}
+
+	productFlags, flagErr := normalizeProductFlags(req.Flags)
+	if flagErr != nil {
+		return nil, flagErr
+	}
+
+	createBody := &entity.Product{
+		Name:              name,
+		Brand:             brand,
+		Sku:               sku,
+		UomId:             req.UomID,
+		ProductCategoryId: req.ProductCategoryID,
+		ProductPrice:      req.ProductPrice,
+		SellingPrice:      req.SellingPrice,
+		Tax:               req.Tax,
+		ExpiryPeriod:      req.ExpiryPeriod,
+		CreatedBy:         1,
+	}
+
+	err = s.Repository.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		repoTx := s.Repository.WithTx(tx)
+
+		if err := repoTx.CreateOne(ctx, createBody, nil); err != nil {
+			return err
+		}
+
+		if err := s.Repository.SyncFlags(ctx, tx, createBody.Id, productFlags); err != nil {
+			return err
+		}
+
+		return s.Repository.SyncSuppliersDiff(ctx, tx, createBody.Id, supplierIDs)
+	})
+
+	if err != nil {
+		s.Log.Errorf("Failed to create product: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, createBody.Id)
+}
+
+func (s productService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint) (*entity.Product, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	updateBody := make(map[string]any)
+
+	if req.Name != nil {
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Name cannot be empty")
+		}
+		if exists, err := s.Repository.NameExists(c.Context(), name, &id); err != nil {
+			s.Log.Errorf("Failed to check product name: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product name")
+		} else if exists {
+			return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Product with name %s already exists", name))
+		}
+		updateBody["name"] = name
+	}
+
+	if req.Brand != nil {
+		brand := strings.TrimSpace(*req.Brand)
+		if brand == "" {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "Brand cannot be empty")
+		}
+		updateBody["brand"] = brand
+	}
+
+	if req.Sku != nil {
+		sku := strings.ToUpper(strings.TrimSpace(*req.Sku))
+		if sku == "" {
+			updateBody["sku"] = nil
+		} else {
+			if exists, err := s.Repository.SkuExists(c.Context(), sku, &id); err != nil {
+				s.Log.Errorf("Failed to check product sku: %+v", err)
+				return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check product sku")
+			} else if exists {
+				return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Product with sku %s already exists", sku))
+			}
+			updateBody["sku"] = sku
+		}
+	}
+
+	if err := common.EnsureRelations(c.Context(),
+		common.RelationCheck{Name: "Uom", ID: req.UomID, Exists: s.Repository.UomExists},
+		common.RelationCheck{Name: "Product category", ID: req.ProductCategoryID, Exists: s.Repository.CategoryExists},
+	); err != nil {
+		return nil, err
+	}
+
+	if req.UomID != nil {
+		updateBody["uom_id"] = *req.UomID
+	}
+
+	if req.ProductCategoryID != nil {
+		updateBody["product_category_id"] = *req.ProductCategoryID
+	}
+
+	if req.ProductPrice != nil {
+		updateBody["product_price"] = *req.ProductPrice
+	}
+	if req.SellingPrice != nil {
+		updateBody["selling_price"] = req.SellingPrice
+	}
+	if req.Tax != nil {
+		updateBody["tax"] = req.Tax
+	}
+	if req.ExpiryPeriod != nil {
+		updateBody["expiry_period"] = req.ExpiryPeriod
+	}
+
+	ctx := c.Context()
+
+	var suppliers []entity.Supplier
+	var supplierIDs []uint
+	var supplierUpdate bool
+	if req.SupplierIDs != nil {
+		supplierUpdate = true
+		supplierIDs = utils.UniqueUintSlice(*req.SupplierIDs)
+		if len(supplierIDs) > 0 {
+			var err error
+			suppliers, err = s.Repository.GetSuppliersByIDs(ctx, supplierIDs)
+			if err != nil {
+				s.Log.Errorf("Failed to validate suppliers: %+v", err)
+				return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to validate suppliers")
+			}
+			if len(suppliers) != len(supplierIDs) {
+				actual := make([]uint, len(suppliers))
+				for i, supplier := range suppliers {
+					actual[i] = supplier.Id
+				}
+				missing := utils.MissingUintIDs(supplierIDs, actual)
+				return nil, fiber.NewError(fiber.StatusNotFound, fmt.Sprintf("Suppliers with ids %v not found", missing))
+			}
+			for _, sup := range suppliers {
+				if strings.ToUpper(sup.Category) != string(utils.SupplierCategorySapronak) {
+					return nil, fiber.NewError(fiber.StatusBadRequest, fmt.Sprintf("Supplier with id %d is not category SAPRONAK", sup.Id))
+				}
+			}
+		}
+	}
+
+	var (
+		flagUpdate bool
+		flagValues []string
+	)
+	if req.Flags != nil {
+		flagUpdate = true
+		var flagErr error
+		flagValues, flagErr = normalizeProductFlags(*req.Flags)
+		if flagErr != nil {
+			return nil, flagErr
+		}
+	}
+
+	if len(updateBody) == 0 && !supplierUpdate && !flagUpdate {
+		return s.GetOne(c, id)
+	}
+
+	err := s.Repository.DB().WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		repoTx := s.Repository.WithTx(tx)
+
+		if len(updateBody) > 0 {
+			if err := repoTx.PatchOne(ctx, id, updateBody, nil); err != nil {
+				return err
+			}
+		} else {
+			if _, err := repoTx.GetByID(ctx, id, nil); err != nil {
+				return err
+			}
+		}
+
+		if supplierUpdate {
+			var ids []uint
+			if len(supplierIDs) > 0 {
+				ids = supplierIDs
+			}
+			if err := s.Repository.SyncSuppliersDiff(ctx, tx, id, ids); err != nil {
+				return err
+			}
+		}
+
+		if flagUpdate {
+			if err := s.Repository.SyncFlags(ctx, tx, id, flagValues); err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Product not found")
+		}
+		s.Log.Errorf("Failed to update product: %+v", err)
+		return nil, err
+	}
+	return s.GetOne(c, id)
+}
+
+func (s productService) DeleteOne(c *fiber.Ctx, id uint) error {
+	err := s.Repository.DB().WithContext(c.Context()).Transaction(func(tx *gorm.DB) error {
+		repoTx := s.Repository.WithTx(tx)
+
+		if err := s.Repository.SyncSuppliersDiff(c.Context(), tx, id, nil); err != nil {
+			return err
+		}
+
+		if err := s.Repository.DeleteFlags(c.Context(), tx, id); err != nil {
+			return err
+		}
+
+		return repoTx.DeleteOne(c.Context(), id)
+	})
+
+	if err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return fiber.NewError(fiber.StatusNotFound, "Product not found")
+		}
+		s.Log.Errorf("Failed to delete product: %+v", err)
+		return err
+	}
+	return nil
+}