191 lines
6.2 KiB
Go
191 lines
6.2 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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// Pen methods
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CreatePen(pen *models.Pen) error
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// GetPenByID 根据ID获取单个猪栏 (非事务性)
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GetPenByID(id uint) (*models.Pen, error)
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// GetPenByIDTx 根据ID获取单个猪栏 (事务性)
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GetPenByIDTx(tx *gorm.DB, id uint) (*models.Pen, error)
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ListPens() ([]models.Pen, error)
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// UpdatePen 更新一个猪栏，返回受影响的行数和错误
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UpdatePen(pen *models.Pen) (int64, error)
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// DeletePen 根据ID删除一个猪栏，返回受影响的行数和错误
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DeletePen(id uint) (int64, error)
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// GetPensByBatchID 根据批次ID获取所有关联的猪栏 (事务性)
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GetPensByBatchID(tx *gorm.DB, batchID uint) ([]models.Pen, error)
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// UpdatePenFields 更新猪栏的指定字段 (事务性)
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UpdatePenFields(tx *gorm.DB, penID uint, updates map[string]interface{}) error
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// PigBatch methods
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// GetPigBatchByID 根据ID获取单个猪批次 (非事务性)
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GetPigBatchByID(id uint) (*models.PigBatch, error)
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// GetPigBatchByIDTx 根据ID获取单个猪批次 (事务性)
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GetPigBatchByIDTx(tx *gorm.DB, id uint) (*models.PigBatch, 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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// --- Pen Implementation ---
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// CreatePen 创建一个新的猪栏
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func (r *gormPigFarmRepository) CreatePen(pen *models.Pen) error {
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return r.db.Create(pen).Error
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}
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// GetPenByID 根据ID获取单个猪栏 (非事务性)
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func (r *gormPigFarmRepository) GetPenByID(id uint) (*models.Pen, error) {
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var pen models.Pen
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if err := r.db.First(&pen, id).Error; err != nil {
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return nil, err
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}
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return &pen, nil
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}
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// GetPenByIDTx 根据ID获取单个猪栏 (事务性)
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func (r *gormPigFarmRepository) GetPenByIDTx(tx *gorm.DB, id uint) (*models.Pen, error) {
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var pen models.Pen
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if err := tx.First(&pen, id).Error; err != nil {
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return nil, err
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}
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return &pen, nil
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}
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// ListPens 列出所有猪栏
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func (r *gormPigFarmRepository) ListPens() ([]models.Pen, error) {
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var pens []models.Pen
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if err := r.db.Find(&pens).Error; err != nil {
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return nil, err
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}
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return pens, nil
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}
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// UpdatePen 更新一个猪栏，返回受影响的行数和错误
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func (r *gormPigFarmRepository) UpdatePen(pen *models.Pen) (int64, error) {
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result := r.db.Model(&models.Pen{}).Where("id = ?", pen.ID).Updates(pen)
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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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// DeletePen 根据ID删除一个猪栏，返回受影响的行数和错误
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func (r *gormPigFarmRepository) DeletePen(id uint) (int64, error) {
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result := r.db.Delete(&models.Pen{}, 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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// GetPensByBatchID 根据批次ID获取所有关联的猪栏 (事务性)
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func (r *gormPigFarmRepository) GetPensByBatchID(tx *gorm.DB, batchID uint) ([]models.Pen, error) {
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var pens []models.Pen
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// 注意：PigBatchID 是指针类型，需要处理 nil 值
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result := tx.Where("pig_batch_id = ?", batchID).Find(&pens)
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if result.Error != nil {
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return nil, result.Error
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}
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return pens, nil
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}
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// UpdatePenFields 更新猪栏的指定字段 (事务性)
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func (r *gormPigFarmRepository) UpdatePenFields(tx *gorm.DB, penID uint, updates map[string]interface{}) error {
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result := tx.Model(&models.Pen{}).Where("id = ?", penID).Updates(updates)
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return result.Error
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}
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// --- PigBatch Implementation ---
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// GetPigBatchByID 根据ID获取单个猪批次 (非事务性)
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func (r *gormPigFarmRepository) GetPigBatchByID(id uint) (*models.PigBatch, error) {
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var batch models.PigBatch
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if err := r.db.First(&batch, id).Error; err != nil {
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return nil, err
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}
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return &batch, nil
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}
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// GetPigBatchByIDTx 根据ID获取单个猪批次 (事务性)
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func (r *gormPigFarmRepository) GetPigBatchByIDTx(tx *gorm.DB, id uint) (*models.PigBatch, error) {
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var batch models.PigBatch
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if err := tx.First(&batch, id).Error; err != nil {
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return nil, err
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}
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return &batch, nil
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}
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