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

internal/modules/master/fcrs/dto/fcr.dto.go

@@ -0,0 +1,86 @@
+package dto
+
+import (
+	"time"
+
+	entity "gitlab.com/mbugroup/lti-api.git/internal/entities"
+	userDTO "gitlab.com/mbugroup/lti-api.git/internal/modules/users/dto"
+)
+
+// === DTO Structs ===
+
+type FcrBaseDTO struct {
+	Id   uint   `json:"id"`
+	Name string `json:"name"`
+}
+
+type FcrStandardDTO struct {
+	Id        uint    `json:"id"`
+	Weight    float64 `json:"weight"`
+	FcrNumber float64 `json:"fcr_number"`
+	Mortality float64 `json:"mortality"`
+}
+
+type FcrListDTO struct {
+	FcrBaseDTO
+	CreatedUser *userDTO.UserBaseDTO `json:"created_user"`
+	CreatedAt   time.Time            `json:"created_at"`
+	UpdatedAt   time.Time            `json:"updated_at"`
+}
+
+type FcrDetailDTO struct {
+	FcrListDTO
+	Standards []FcrStandardDTO `json:"fcr_standards"`
+}
+
+// === Mapper Functions ===
+
+func ToFcrBaseDTO(e entity.Fcr) FcrBaseDTO {
+	return FcrBaseDTO{
+		Id:   e.Id,
+		Name: e.Name,
+	}
+}
+
+func ToFcrListDTO(e entity.Fcr) FcrListDTO {
+	var createdUser *userDTO.UserBaseDTO
+	if e.CreatedUser.Id != 0 {
+		mapped := userDTO.ToUserBaseDTO(e.CreatedUser)
+		createdUser = &mapped
+	}
+
+	return FcrListDTO{
+		FcrBaseDTO:  ToFcrBaseDTO(e),
+		CreatedAt:   e.CreatedAt,
+		UpdatedAt:   e.UpdatedAt,
+		CreatedUser: createdUser,
+	}
+}
+
+func ToFcrListDTOs(e []entity.Fcr) []FcrListDTO {
+	result := make([]FcrListDTO, len(e))
+	for i, r := range e {
+		result[i] = ToFcrListDTO(r)
+	}
+	return result
+}
+
+func ToFcrDetailDTO(e entity.Fcr) FcrDetailDTO {
+	return FcrDetailDTO{
+		FcrListDTO: ToFcrListDTO(e),
+		Standards:  ToFcrStandardDTOs(e.Standards),
+	}
+}
+
+func ToFcrStandardDTOs(standards []entity.FcrStandard) []FcrStandardDTO {
+	result := make([]FcrStandardDTO, len(standards))
+	for i, s := range standards {
+		result[i] = FcrStandardDTO{
+			Id:        s.Id,
+			Weight:    s.Weight,
+			FcrNumber: s.FcrNumber,
+			Mortality: s.Mortality,
+		}
+	}
+	return result
+}