80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.5 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
package repository
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import (
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	"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
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	"gorm.io/gorm"
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)
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// PigFarmRepository 定义了与猪场资产(猪舍、猪栏)相关的数据库操作接口
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type PigFarmRepository interface {
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	// PigHouse methods
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	CreatePigHouse(house *models.PigHouse) error
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	GetPigHouseByID(id uint) (*models.PigHouse, error)
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	ListPigHouses() ([]models.PigHouse, error)
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	// UpdatePigHouse 更新一个猪舍,返回受影响的行数和错误
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	UpdatePigHouse(house *models.PigHouse) (int64, error)
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	// DeletePigHouse 根据ID删除一个猪舍,返回受影响的行数和错误
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	DeletePigHouse(id uint) (int64, error)
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	CountPensInHouse(houseID uint) (int64, error)
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}
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// gormPigFarmRepository 是 PigFarmRepository 的 GORM 实现
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type gormPigFarmRepository struct {
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	db *gorm.DB
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}
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// NewGormPigFarmRepository 创建一个新的 PigFarmRepository GORM 实现实例
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func NewGormPigFarmRepository(db *gorm.DB) PigFarmRepository {
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	return &gormPigFarmRepository{db: db}
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}
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// --- PigHouse Implementation ---
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// CreatePigHouse 创建一个新的猪舍
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func (r *gormPigFarmRepository) CreatePigHouse(house *models.PigHouse) error {
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	return r.db.Create(house).Error
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}
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// GetPigHouseByID 根据ID获取单个猪舍
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func (r *gormPigFarmRepository) GetPigHouseByID(id uint) (*models.PigHouse, error) {
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	var house models.PigHouse
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	if err := r.db.First(&house, id).Error; err != nil {
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		return nil, err
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	}
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	return &house, nil
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}
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// ListPigHouses 列出所有猪舍
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func (r *gormPigFarmRepository) ListPigHouses() ([]models.PigHouse, error) {
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	var houses []models.PigHouse
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	if err := r.db.Find(&houses).Error; err != nil {
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		return nil, err
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	}
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	return houses, nil
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}
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// UpdatePigHouse 更新一个猪舍,返回受影响的行数和错误
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func (r *gormPigFarmRepository) UpdatePigHouse(house *models.PigHouse) (int64, error) {
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	result := r.db.Model(&models.PigHouse{}).Where("id = ?", house.ID).Updates(house)
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	if result.Error != nil {
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		return 0, result.Error
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	}
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	return result.RowsAffected, nil
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}
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// DeletePigHouse 根据ID删除一个猪舍,返回受影响的行数和错误
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func (r *gormPigFarmRepository) DeletePigHouse(id uint) (int64, error) {
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	result := r.db.Delete(&models.PigHouse{}, id)
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	if result.Error != nil {
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		return 0, result.Error
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	}
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	return result.RowsAffected, nil
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}
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// CountPensInHouse 统计猪舍中的猪栏数量
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func (r *gormPigFarmRepository) CountPensInHouse(houseID uint) (int64, error) {
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	var count int64
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	err := r.db.Model(&models.Pen{}).Where("house_id = ?", houseID).Count(&count).Error
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	return count, err
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}
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