183 lines
6.7 KiB
Go
183 lines
6.7 KiB
Go
|
|
package repository
|
|||
|
|
|
|||
|
|
import (
|
|||
|
|
"context"
|
|||
|
|
"errors"
|
|||
|
|
"fmt"
|
|||
|
|
|
|||
|
|
"git.huangwc.com/pig/pig-farm-controller/internal/infra/logs"
|
|||
|
|
"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
|
|||
|
|
|
|||
|
|
"gorm.io/gorm"
|
|||
|
|
)
|
|||
|
|
|
|||
|
|
// RecipeListOptions 定义了查询配方列表时的筛选条件
|
|||
|
|
type RecipeListOptions struct {
|
|||
|
|
Name *string
|
|||
|
|
RawMaterialName *string
|
|||
|
|
OrderBy string
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// RecipeRepository 定义了与配方相关的数据库操作接口
|
|||
|
|
type RecipeRepository interface {
|
|||
|
|
CreateRecipe(ctx context.Context, recipe *models.Recipe) error
|
|||
|
|
GetRecipeByID(ctx context.Context, id uint32) (*models.Recipe, error)
|
|||
|
|
GetRecipeByName(ctx context.Context, name string) (*models.Recipe, error)
|
|||
|
|
ListRecipes(ctx context.Context, opts RecipeListOptions, page, pageSize int) ([]models.Recipe, int64, error)
|
|||
|
|
UpdateRecipe(ctx context.Context, recipe *models.Recipe) error
|
|||
|
|
UpdateRecipeIngredients(ctx context.Context, recipeID uint32, ingredients []models.RecipeIngredient) error
|
|||
|
|
DeleteRecipe(ctx context.Context, id uint32) error
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// gormRecipeRepository 是 RecipeRepository 的 GORM 实现
|
|||
|
|
type gormRecipeRepository struct {
|
|||
|
|
ctx context.Context
|
|||
|
|
db *gorm.DB
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// NewGormRecipeRepository 创建一个新的 RecipeRepository GORM 实现实例
|
|||
|
|
func NewGormRecipeRepository(ctx context.Context, db *gorm.DB) RecipeRepository {
|
|||
|
|
return &gormRecipeRepository{ctx: ctx, db: db}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// CreateRecipe 创建一个新的配方,并处理其关联的配方原料
|
|||
|
|
func (r *gormRecipeRepository) CreateRecipe(ctx context.Context, recipe *models.Recipe) error {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "CreateRecipe")
|
|||
|
|
return r.db.WithContext(repoCtx).Transaction(func(tx *gorm.DB) error {
|
|||
|
|
if err := tx.Create(recipe).Error; err != nil {
|
|||
|
|
return fmt.Errorf("创建配方失败: %w", err)
|
|||
|
|
}
|
|||
|
|
return nil
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// GetRecipeByID 根据ID获取单个配方,并预加载其关联的配方原料和原料信息
|
|||
|
|
func (r *gormRecipeRepository) GetRecipeByID(ctx context.Context, id uint32) (*models.Recipe, error) {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "GetRecipeByID")
|
|||
|
|
var recipe models.Recipe
|
|||
|
|
// 如果记录未找到,GORM 会返回 gorm.ErrRecordNotFound 错误
|
|||
|
|
if err := r.db.WithContext(repoCtx).Preload("RecipeIngredients.RawMaterial.RawMaterialNutrients.Nutrient").First(&recipe, id).Error; err != nil {
|
|||
|
|
return nil, err
|
|||
|
|
}
|
|||
|
|
return &recipe, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// GetRecipeByName 根据名称获取单个配方,并预加载其关联的配方原料和原料信息
|
|||
|
|
func (r *gormRecipeRepository) GetRecipeByName(ctx context.Context, name string) (*models.Recipe, error) {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "GetRecipeByName")
|
|||
|
|
var recipe models.Recipe
|
|||
|
|
// 如果记录未找到,GORM 会返回 gorm.ErrRecordNotFound 错误
|
|||
|
|
if err := r.db.WithContext(repoCtx).Preload("RecipeIngredients.RawMaterial.RawMaterialNutrients.Nutrient").Where("name = ?", name).First(&recipe).Error; err != nil {
|
|||
|
|
return nil, err
|
|||
|
|
}
|
|||
|
|
return &recipe, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// ListRecipes 列出所有配方(分页),并预加载其关联的配方原料和原料信息
|
|||
|
|
func (r *gormRecipeRepository) ListRecipes(ctx context.Context, opts RecipeListOptions, page, pageSize int) ([]models.Recipe, int64, error) {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "ListRecipes")
|
|||
|
|
var recipes []models.Recipe
|
|||
|
|
var total int64
|
|||
|
|
|
|||
|
|
db := r.db.WithContext(repoCtx).Model(&models.Recipe{})
|
|||
|
|
|
|||
|
|
// 应用筛选条件
|
|||
|
|
if opts.Name != nil && *opts.Name != "" {
|
|||
|
|
db = db.Where("name LIKE ?", "%"+*opts.Name+"%")
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 如果传入了原料名称,则使用子查询进行筛选
|
|||
|
|
if opts.RawMaterialName != nil && *opts.RawMaterialName != "" {
|
|||
|
|
subQuery := r.db.Model(&models.RecipeIngredient{}).
|
|||
|
|
Select("recipe_id").
|
|||
|
|
Joins("JOIN raw_materials ON raw_materials.id = recipe_ingredients.raw_material_id").
|
|||
|
|
Where("raw_materials.name LIKE ?", "%"+*opts.RawMaterialName+"%")
|
|||
|
|
db = db.Where("id IN (?)", subQuery)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 首先计算总数
|
|||
|
|
if err := db.Count(&total).Error; err != nil {
|
|||
|
|
return nil, 0, err
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 然后应用排序、分页并获取数据
|
|||
|
|
if opts.OrderBy != "" {
|
|||
|
|
db = db.Order(opts.OrderBy)
|
|||
|
|
}
|
|||
|
|
offset := (page - 1) * pageSize
|
|||
|
|
if err := db.Preload("RecipeIngredients.RawMaterial.RawMaterialNutrients.Nutrient").Offset(offset).Limit(pageSize).Find(&recipes).Error; err != nil {
|
|||
|
|
return nil, 0, err
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return recipes, total, nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// UpdateRecipe 更新一个配方的主体信息(名称和描述)
|
|||
|
|
func (r *gormRecipeRepository) UpdateRecipe(ctx context.Context, recipe *models.Recipe) error {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "UpdateRecipe")
|
|||
|
|
|
|||
|
|
updateData := map[string]interface{}{
|
|||
|
|
"name": recipe.Name,
|
|||
|
|
"description": recipe.Description,
|
|||
|
|
}
|
|||
|
|
result := r.db.WithContext(repoCtx).Model(&models.Recipe{}).Where("id = ?", recipe.ID).Updates(updateData)
|
|||
|
|
if result.Error != nil {
|
|||
|
|
return fmt.Errorf("更新配方主体信息失败: %w", result.Error)
|
|||
|
|
}
|
|||
|
|
if result.RowsAffected == 0 {
|
|||
|
|
return fmt.Errorf("未找到要更新的配方,ID: %d", recipe.ID)
|
|||
|
|
}
|
|||
|
|
return nil
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// UpdateRecipeIngredients 更新配方关联的原料列表
|
|||
|
|
func (r *gormRecipeRepository) UpdateRecipeIngredients(ctx context.Context, recipeID uint32, ingredients []models.RecipeIngredient) error {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "UpdateRecipeIngredients")
|
|||
|
|
|
|||
|
|
return r.db.WithContext(repoCtx).Transaction(func(tx *gorm.DB) error {
|
|||
|
|
// 1. 删除所有旧的关联配方原料
|
|||
|
|
if err := tx.Where("recipe_id = ?", recipeID).Delete(&models.RecipeIngredient{}).Error; err != nil {
|
|||
|
|
return fmt.Errorf("删除旧的配方原料失败: %w", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 2. 批量创建新的关联配方原料
|
|||
|
|
if len(ingredients) > 0 {
|
|||
|
|
for i := range ingredients {
|
|||
|
|
ingredients[i].RecipeID = recipeID
|
|||
|
|
}
|
|||
|
|
if err := tx.Create(&ingredients).Error; err != nil {
|
|||
|
|
return fmt.Errorf("创建新的配方原料失败: %w", err)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
return nil
|
|||
|
|
})
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// DeleteRecipe 根据ID删除一个配方,并级联软删除关联的 RecipeIngredient 记录
|
|||
|
|
func (r *gormRecipeRepository) DeleteRecipe(ctx context.Context, id uint32) error {
|
|||
|
|
repoCtx := logs.AddFuncName(ctx, r.ctx, "DeleteRecipe")
|
|||
|
|
|
|||
|
|
return r.db.WithContext(repoCtx).Transaction(func(tx *gorm.DB) error {
|
|||
|
|
// 1. 查找 Recipe 记录,确保其存在
|
|||
|
|
var recipe models.Recipe
|
|||
|
|
if err := tx.First(&recipe, id).Error; err != nil {
|
|||
|
|
if errors.Is(err, gorm.ErrRecordNotFound) {
|
|||
|
|
return fmt.Errorf("未找到要删除的配方,ID: %d", id)
|
|||
|
|
}
|
|||
|
|
return fmt.Errorf("查询配方失败: %w", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 2. 软删除所有关联的 RecipeIngredient 记录
|
|||
|
|
if err := tx.Where("recipe_id = ?", id).Delete(&models.RecipeIngredient{}).Error; err != nil {
|
|||
|
|
return fmt.Errorf("软删除关联的配方原料记录失败: %w", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
// 3. 软删除 Recipe 记录本身
|
|||
|
|
if err := tx.Delete(&recipe).Error; err != nil {
|
|||
|
|
return fmt.Errorf("软删除配方失败: %w", err)
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
return nil
|
|||
|
|
})
|
|||
|
|
}
|