Feat(BE-36,37,38,39): master area, customer, kandang, location, warehouse

internal/modules/master/customers/services/customer.service.go

@@ -0,0 +1,179 @@
+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/customers/repositories"
+	validation "gitlab.com/mbugroup/lti-api.git/internal/modules/master/customers/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 CustomerService interface {
+	GetAll(ctx *fiber.Ctx, params *validation.Query) ([]entity.Customer, int64, error)
+	GetOne(ctx *fiber.Ctx, id uint) (*entity.Customer, error)
+	CreateOne(ctx *fiber.Ctx, req *validation.Create) (*entity.Customer, error)
+	UpdateOne(ctx *fiber.Ctx, req *validation.Update, id uint) (*entity.Customer, error)
+	DeleteOne(ctx *fiber.Ctx, id uint) error
+}
+
+type customerService struct {
+	Log        *logrus.Logger
+	Validate   *validator.Validate
+	Repository repository.CustomerRepository
+}
+
+func NewCustomerService(repo repository.CustomerRepository, validate *validator.Validate) CustomerService {
+	return &customerService{
+		Log:        utils.Log,
+		Validate:   validate,
+		Repository: repo,
+	}
+}
+
+func (s customerService) withRelations(db *gorm.DB) *gorm.DB {
+	return db.Preload("CreatedUser").Preload("Pic")
+}
+
+func (s customerService) GetAll(c *fiber.Ctx, params *validation.Query) ([]entity.Customer, int64, error) {
+	if err := s.Validate.Struct(params); err != nil {
+		return nil, 0, err
+	}
+
+	offset := (params.Page - 1) * params.Limit
+
+	customers, 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 customers: %+v", err)
+		return nil, 0, err
+	}
+	return customers, total, nil
+}
+
+func (s customerService) GetOne(c *fiber.Ctx, id uint) (*entity.Customer, error) {
+	customer, err := s.Repository.GetByID(c.Context(), id, s.withRelations)
+	if errors.Is(err, gorm.ErrRecordNotFound) {
+		return nil, fiber.NewError(fiber.StatusNotFound, "Customer not found")
+	}
+	if err != nil {
+		s.Log.Errorf("Failed get customer by id: %+v", err)
+		return nil, err
+	}
+	return customer, nil
+}
+
+func (s *customerService) CreateOne(c *fiber.Ctx, req *validation.Create) (*entity.Customer, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	if exists, err := s.Repository.NameExists(c.Context(), req.Name, nil); err != nil {
+		s.Log.Errorf("Failed to check customer name: %+v", err)
+		return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check customer name")
+	} else if exists {
+		return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Customer with name %s already exists", req.Name))
+	}
+
+	typ := strings.ToUpper(req.Type)
+	if !utils.IsValidCustomerSupplierType(typ) {
+		return nil, fiber.NewError(fiber.StatusBadRequest, "Invalid customer type")
+	}
+
+	if err := common.EnsureRelations(c.Context(),
+		common.RelationCheck{Name: "Pic", ID: &req.PicId, Exists: s.Repository.PicExists},
+	); err != nil {
+		return nil, err
+	}
+
+	//TODO: created by dummy
+	createBody := &entity.Customer{
+		Name:          req.Name,
+		PicId:         req.PicId,
+		Type:          typ,
+		Address:       req.Address,
+		Phone:         req.Phone,
+		Email:         req.Email,
+		AccountNumber: req.AccountNumber,
+		CreatedBy:     1,
+	}
+
+	if err := s.Repository.CreateOne(c.Context(), createBody, nil); err != nil {
+		s.Log.Errorf("Failed to create customer: %+v", err)
+		return nil, err
+	}
+
+	return createBody, nil
+}
+
+func (s customerService) UpdateOne(c *fiber.Ctx, req *validation.Update, id uint) (*entity.Customer, error) {
+	if err := s.Validate.Struct(req); err != nil {
+		return nil, err
+	}
+
+	updateBody := make(map[string]any)
+
+	if req.Name != nil {
+		if exists, err := s.Repository.NameExists(c.Context(), *req.Name, &id); err != nil {
+			s.Log.Errorf("Failed to check customer name: %+v", err)
+			return nil, fiber.NewError(fiber.StatusInternalServerError, "Failed to check customer name")
+		} else if exists {
+			return nil, fiber.NewError(fiber.StatusConflict, fmt.Sprintf("Customer with name %s already exists", *req.Name))
+		}
+		updateBody["name"] = *req.Name
+	}
+
+	if req.PicId != nil {
+		if err := common.EnsureRelations(c.Context(), common.RelationCheck{Name: "Pic", ID: req.PicId, Exists: s.Repository.PicExists}); err != nil {
+			return nil, err
+		}
+		updateBody["pic_id"] = *req.PicId
+	}
+
+	if req.Type != nil {
+		typ := strings.ToUpper(*req.Type)
+		if !utils.IsValidCustomerSupplierType(typ) {
+			return nil, fiber.NewError(fiber.StatusBadRequest, "invalid customer type")
+		}
+		updateBody["type"] = typ
+	}
+
+	if len(updateBody) == 0 {
+		return s.GetOne(c, id)
+	}
+
+	if err := s.Repository.PatchOne(c.Context(), id, updateBody, nil); err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, fiber.NewError(fiber.StatusNotFound, "Customer not found")
+		}
+		s.Log.Errorf("Failed to update customer: %+v", err)
+		return nil, err
+	}
+
+	return s.GetOne(c, id)
+}
+
+func (s customerService) DeleteOne(c *fiber.Ctx, id uint) error {
+	if err := s.Repository.DeleteOne(c.Context(), id); err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return fiber.NewError(fiber.StatusNotFound, "Customer not found")
+		}
+		s.Log.Errorf("Failed to delete customer: %+v", err)
+		return err
+	}
+	return nil
+}