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

internal/modules/master/fcrs/repositories/fcr.repository.go

@@ -0,0 +1,90 @@
+package repository
+
+import (
+	"context"
+	"errors"
+
+	"gitlab.com/mbugroup/lti-api.git/internal/common/repository"
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	"gorm.io/gorm"
+)
+
+type FcrRepository interface {
+	repository.BaseRepository[entity.Fcr]
+	NameExists(ctx context.Context, name string, excludeID *uint) (bool, error)
+	SyncStandardsDiff(ctx context.Context, tx *gorm.DB, fcrID uint, standards []entity.FcrStandard) error
+}
+
+type FcrRepositoryImpl struct {
+	*repository.BaseRepositoryImpl[entity.Fcr]
+}
+
+func NewFcrRepository(db *gorm.DB) FcrRepository {
+	return &FcrRepositoryImpl{
+		BaseRepositoryImpl: repository.NewBaseRepository[entity.Fcr](db),
+	}
+}
+
+func (r *FcrRepositoryImpl) NameExists(ctx context.Context, name string, excludeID *uint) (bool, error) {
+	return repository.ExistsByName[entity.Fcr](ctx, r.DB(), name, excludeID)
+}
+
+func (r *FcrRepositoryImpl) SyncStandardsDiff(ctx context.Context, tx *gorm.DB, fcrID uint, standards []entity.FcrStandard) error {
+	db := tx
+	if db == nil {
+		db = r.DB()
+	}
+
+	var existing []entity.FcrStandard
+	if err := db.WithContext(ctx).
+		Where("fcr_id = ?", fcrID).
+		Find(&existing).
+		Error; err != nil {
+		return err
+	}
+
+	existingMap := make(map[float64]entity.FcrStandard)
+	for _, st := range existing {
+		existingMap[st.Weight] = st
+	}
+
+	newMap := make(map[float64]entity.FcrStandard)
+	for _, st := range standards {
+		st.FcrID = fcrID
+		newMap[st.Weight] = st
+	}
+
+	baseRepo := repository.NewBaseRepository[entity.FcrStandard](db)
+
+	for weight, newStd := range newMap {
+		if current, ok := existingMap[weight]; ok {
+			if current.FcrNumber != newStd.FcrNumber || current.Mortality != newStd.Mortality {
+				update := map[string]any{
+					"fcr_number": newStd.FcrNumber,
+					"mortality":  newStd.Mortality,
+				}
+				if err := baseRepo.PatchOne(ctx, current.Id, update, nil); err != nil {
+					return err
+				}
+			}
+		} else {
+			entry := newStd
+			if err := baseRepo.CreateOne(ctx, &entry, nil); err != nil {
+				return err
+			}
+		}
+	}
+
+	for weight, current := range existingMap {
+		if _, keep := newMap[weight]; !keep {
+			if err := baseRepo.DeleteOne(ctx, current.Id); err != nil {
+				if errors.Is(err, gorm.ErrRecordNotFound) {
+					continue
+				}
+				return err
+			}
+		}
+	}
+
+	return nil
+}