81 lines
2.3 KiB
Go
81 lines
2.3 KiB
Go
package repository
|
|
|
|
import (
|
|
"time"
|
|
|
|
"git.huangwc.com/pig/pig-farm-controller/internal/infra/models"
|
|
"gorm.io/gorm"
|
|
)
|
|
|
|
// MedicationLogListOptions 定义了查询用药记录时的可选参数
|
|
type MedicationLogListOptions struct {
|
|
PigBatchID *uint
|
|
MedicationID *uint
|
|
Reason *models.MedicationReasonType
|
|
OperatorID *uint
|
|
StartTime *time.Time // 基于 happened_at 字段
|
|
EndTime *time.Time // 基于 happened_at 字段
|
|
OrderBy string // 例如 "happened_at asc"
|
|
}
|
|
|
|
// MedicationRepository 定义了与药品相关的数据库操作接口
|
|
type MedicationRepository interface {
|
|
ListMedicationLogs(opts MedicationLogListOptions, page, pageSize int) ([]models.MedicationLog, int64, error)
|
|
}
|
|
|
|
// gormMedicationRepository 是 MedicationRepository 的 GORM 实现
|
|
type gormMedicationRepository struct {
|
|
db *gorm.DB
|
|
}
|
|
|
|
// NewGormMedicationRepository 创建一个新的 MedicationRepository GORM 实现
|
|
func NewGormMedicationRepository(db *gorm.DB) MedicationRepository {
|
|
return &gormMedicationRepository{db: db}
|
|
}
|
|
|
|
// ListMedicationLogs 实现了分页和过滤查询用药记录的功能
|
|
func (r *gormMedicationRepository) ListMedicationLogs(opts MedicationLogListOptions, page, pageSize int) ([]models.MedicationLog, int64, error) {
|
|
if page <= 0 || pageSize <= 0 {
|
|
return nil, 0, ErrInvalidPagination
|
|
}
|
|
|
|
var results []models.MedicationLog
|
|
var total int64
|
|
|
|
query := r.db.Model(&models.MedicationLog{})
|
|
|
|
if opts.PigBatchID != nil {
|
|
query = query.Where("pig_batch_id = ?", *opts.PigBatchID)
|
|
}
|
|
if opts.MedicationID != nil {
|
|
query = query.Where("medication_id = ?", *opts.MedicationID)
|
|
}
|
|
if opts.Reason != nil {
|
|
query = query.Where("reason = ?", *opts.Reason)
|
|
}
|
|
if opts.OperatorID != nil {
|
|
query = query.Where("operator_id = ?", *opts.OperatorID)
|
|
}
|
|
if opts.StartTime != nil {
|
|
query = query.Where("happened_at >= ?", *opts.StartTime)
|
|
}
|
|
if opts.EndTime != nil {
|
|
query = query.Where("happened_at <= ?", *opts.EndTime)
|
|
}
|
|
|
|
if err := query.Count(&total).Error; err != nil {
|
|
return nil, 0, err
|
|
}
|
|
|
|
orderBy := "happened_at DESC"
|
|
if opts.OrderBy != "" {
|
|
orderBy = opts.OrderBy
|
|
}
|
|
query = query.Order(orderBy).Preload("Medication")
|
|
|
|
offset := (page - 1) * pageSize
|
|
err := query.Limit(pageSize).Offset(offset).Find(&results).Error
|
|
|
|
return results, total, err
|
|
}
|