127 lines
3.8 KiB
Go
127 lines
3.8 KiB
Go
package repository
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import (
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"time"
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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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// RawMaterialPurchaseListOptions 定义了查询原料采购记录时的可选参数
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type RawMaterialPurchaseListOptions struct {
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RawMaterialID *uint
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Supplier *string
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StartTime *time.Time // 基于 purchase_date 字段
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EndTime *time.Time // 基于 purchase_date 字段
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OrderBy string // 例如 "purchase_date asc"
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}
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// RawMaterialStockLogListOptions 定义了查询原料库存日志时的可选参数
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type RawMaterialStockLogListOptions struct {
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RawMaterialID *uint
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SourceType *models.StockLogSourceType
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SourceID *uint
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StartTime *time.Time // 基于 happened_at 字段
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EndTime *time.Time // 基于 happened_at 字段
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OrderBy string // 例如 "happened_at asc"
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}
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// RawMaterialRepository 定义了与原料相关的数据库操作接口
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type RawMaterialRepository interface {
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ListRawMaterialPurchases(opts RawMaterialPurchaseListOptions, page, pageSize int) ([]models.RawMaterialPurchase, int64, error)
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ListRawMaterialStockLogs(opts RawMaterialStockLogListOptions, page, pageSize int) ([]models.RawMaterialStockLog, int64, error)
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}
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// gormRawMaterialRepository 是 RawMaterialRepository 的 GORM 实现
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type gormRawMaterialRepository struct {
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db *gorm.DB
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}
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// NewGormRawMaterialRepository 创建一个新的 RawMaterialRepository GORM 实现实例
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func NewGormRawMaterialRepository(db *gorm.DB) RawMaterialRepository {
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return &gormRawMaterialRepository{db: db}
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}
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// ListRawMaterialPurchases 实现了分页和过滤查询原料采购记录的功能
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func (r *gormRawMaterialRepository) ListRawMaterialPurchases(opts RawMaterialPurchaseListOptions, page, pageSize int) ([]models.RawMaterialPurchase, int64, error) {
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if page <= 0 || pageSize <= 0 {
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return nil, 0, ErrInvalidPagination
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}
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var results []models.RawMaterialPurchase
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var total int64
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query := r.db.Model(&models.RawMaterialPurchase{})
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if opts.RawMaterialID != nil {
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query = query.Where("raw_material_id = ?", *opts.RawMaterialID)
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}
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if opts.Supplier != nil {
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query = query.Where("supplier LIKE ?", "%"+*opts.Supplier+"%")
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}
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if opts.StartTime != nil {
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query = query.Where("purchase_date >= ?", *opts.StartTime)
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}
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if opts.EndTime != nil {
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query = query.Where("purchase_date <= ?", *opts.EndTime)
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}
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if err := query.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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orderBy := "purchase_date DESC"
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if opts.OrderBy != "" {
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orderBy = opts.OrderBy
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}
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query = query.Order(orderBy).Preload("RawMaterial")
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offset := (page - 1) * pageSize
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err := query.Limit(pageSize).Offset(offset).Find(&results).Error
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return results, total, err
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}
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// ListRawMaterialStockLogs 实现了分页和过滤查询原料库存日志的功能
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func (r *gormRawMaterialRepository) ListRawMaterialStockLogs(opts RawMaterialStockLogListOptions, page, pageSize int) ([]models.RawMaterialStockLog, int64, error) {
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if page <= 0 || pageSize <= 0 {
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return nil, 0, ErrInvalidPagination
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}
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var results []models.RawMaterialStockLog
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var total int64
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query := r.db.Model(&models.RawMaterialStockLog{})
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if opts.RawMaterialID != nil {
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query = query.Where("raw_material_id = ?", *opts.RawMaterialID)
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}
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if opts.SourceType != nil {
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query = query.Where("source_type = ?", *opts.SourceType)
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}
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if opts.SourceID != nil {
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query = query.Where("source_id = ?", *opts.SourceID)
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}
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if opts.StartTime != nil {
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query = query.Where("happened_at >= ?", *opts.StartTime)
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}
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if opts.EndTime != nil {
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query = query.Where("happened_at <= ?", *opts.EndTime)
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}
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if err := query.Count(&total).Error; err != nil {
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return nil, 0, err
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}
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orderBy := "happened_at DESC"
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if opts.OrderBy != "" {
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orderBy = opts.OrderBy
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}
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query = query.Order(orderBy)
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offset := (page - 1) * pageSize
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err := query.Limit(pageSize).Offset(offset).Find(&results).Error
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return results, total, err
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}
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