配方增删改查服务层和控制器

internal/app/dto/feed_converter.go

@@ -198,3 +198,84 @@ func ConvertPigTypeListToDTO(pigTypes []models.PigType, total int64, page, pageS
 		},
 	}
 }
+
+// ConvertRecipeToDto 将 models.Recipe 转换为 RecipeResponse DTO
+func ConvertRecipeToDto(recipe *models.Recipe) *RecipeResponse {
+	if recipe == nil {
+		return nil
+	}
+
+	ingredients := make([]RecipeIngredientDto, len(recipe.RecipeIngredients))
+	for i, ri := range recipe.RecipeIngredients {
+		ingredients[i] = RecipeIngredientDto{
+			RawMaterialID: ri.RawMaterialID,
+			Percentage:    ri.Percentage,
+		}
+	}
+
+	return &RecipeResponse{
+		ID:                recipe.ID,
+		Name:              recipe.Name,
+		Description:       recipe.Description,
+		RecipeIngredients: ingredients,
+	}
+}
+
+// ConvertRecipeListToDTO 将 []models.Recipe 转换为 ListRecipeResponse DTO
+func ConvertRecipeListToDTO(recipes []models.Recipe, total int64, page, pageSize int) *ListRecipeResponse {
+	recipeDTOs := make([]RecipeResponse, len(recipes))
+	for i, r := range recipes {
+		recipeDTOs[i] = *ConvertRecipeToDto(&r)
+	}
+
+	return &ListRecipeResponse{
+		List: recipeDTOs,
+		Pagination: PaginationDTO{
+			Page:     page,
+			PageSize: pageSize,
+			Total:    total,
+		},
+	}
+}
+
+// ConvertCreateRecipeRequestToModel 将 CreateRecipeRequest DTO 转换为 models.Recipe 模型
+func ConvertCreateRecipeRequestToModel(req *CreateRecipeRequest) *models.Recipe {
+	if req == nil {
+		return nil
+	}
+
+	ingredients := make([]models.RecipeIngredient, len(req.RecipeIngredients))
+	for i, ri := range req.RecipeIngredients {
+		ingredients[i] = models.RecipeIngredient{
+			RawMaterialID: ri.RawMaterialID,
+			Percentage:    ri.Percentage,
+		}
+	}
+
+	return &models.Recipe{
+		Name:              req.Name,
+		Description:       req.Description,
+		RecipeIngredients: ingredients,
+	}
+}
+
+// ConvertUpdateRecipeRequestToModel 将 UpdateRecipeRequest DTO 转换为 models.Recipe 模型
+func ConvertUpdateRecipeRequestToModel(req *UpdateRecipeRequest) *models.Recipe {
+	if req == nil {
+		return nil
+	}
+
+	ingredients := make([]models.RecipeIngredient, len(req.RecipeIngredients))
+	for i, ri := range req.RecipeIngredients {
+		ingredients[i] = models.RecipeIngredient{
+			RawMaterialID: ri.RawMaterialID,
+			Percentage:    ri.Percentage,
+		}
+	}
+
+	return &models.Recipe{
+		Name:              req.Name,
+		Description:       req.Description,
+		RecipeIngredients: ingredients,
+	}
+}

internal/app/dto/feed_dto.go

@@ -274,3 +274,49 @@ type PigNutrientRequirementItem struct {
 	MinRequirement float32 `json:"min_requirement" validate:"gte=0"` // 最低营养需求量
 	MaxRequirement float32 `json:"max_requirement" validate:"gte=0"` // 最高营养需求量
 }
+
+// =============================================================================================================
+// 配方 (Recipe) 相关 DTO
+// =============================================================================================================
+
+// RecipeIngredientDto 代表配方中的一个原料及其百分比
+type RecipeIngredientDto struct {
+	RawMaterialID uint32  `json:"raw_material_id" validate:"required"` // 原料ID
+	Percentage    float32 `json:"percentage" validate:"gte=0,lte=1"`   // 原料在配方中的百分比 (0-1之间)
+}
+
+// CreateRecipeRequest 创建配方的请求体
+type CreateRecipeRequest struct {
+	Name              string                `json:"name" validate:"required,max=100"`   // 配方名称
+	Description       string                `json:"description" validate:"max=255"`     // 配方描述
+	RecipeIngredients []RecipeIngredientDto `json:"recipe_ingredients" validate:"dive"` // 配方原料组成
+}
+
+// UpdateRecipeRequest 更新配方的请求体
+type UpdateRecipeRequest struct {
+	Name              string                `json:"name" validate:"required,max=100"`   // 配方名称
+	Description       string                `json:"description" validate:"max=255"`     // 配方描述
+	RecipeIngredients []RecipeIngredientDto `json:"recipe_ingredients" validate:"dive"` // 配方原料组成
+}
+
+// RecipeResponse 配方响应体
+type RecipeResponse struct {
+	ID                uint32                `json:"id"`
+	Name              string                `json:"name"`
+	Description       string                `json:"description"`
+	RecipeIngredients []RecipeIngredientDto `json:"recipe_ingredients"`
+}
+
+// ListRecipeRequest 定义了获取配方列表的请求参数
+type ListRecipeRequest struct {
+	Page     int     `json:"page" query:"page"`           // 页码
+	PageSize int     `json:"page_size" query:"page_size"` // 每页数量
+	Name     *string `json:"name" query:"name"`           // 按名称模糊查询
+	OrderBy  string  `json:"order_by" query:"order_by"`   // 排序字段，例如 "id DESC"
+}
+
+// ListRecipeResponse 是获取配方列表的响应结构
+type ListRecipeResponse struct {
+	List       []RecipeResponse `json:"list"`
+	Pagination PaginationDTO    `json:"pagination"`
+}