first commit

internal/mysqldao/clothes.go

@@ -0,0 +1,89 @@
+package mysqldao
+
+import (
+	"context"
+
+	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/global"
+	"git.lzcwy.cn/zhengchiliu/zt-closet-manage-backend/internal/mysqlmodel"
+	"gorm.io/gorm"
+)
+
+// ClothesDao 衣物数据访问
+type ClothesDao struct {
+	db *gorm.DB
+}
+
+// NewClothesDao 创建衣物 DAO
+func NewClothesDao() *ClothesDao {
+	return &ClothesDao{db: global.MysqlEngine}
+}
+
+// ClothesListParams 衣物分页列表筛选参数。
+type ClothesListParams struct {
+	UserID             int64  // 用户 ID，0 表示全部
+	ImageProcessStatus int8   // AI 处理状态，0 表示全部
+	CategoryMain       string // 大类筛选
+	Keyword            string // 模糊匹配名称
+	Page               int
+	Size               int
+}
+
+// ClothesList 分页查询衣物
+func (d *ClothesDao) ClothesList(ctx context.Context, p ClothesListParams) ([]mysqlmodel.Clothes, int64, error) {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.ClothesList")
+	defer span.End()
+
+	var list []mysqlmodel.Clothes
+	var total int64
+	q := d.db.WithContext(ctx).Model(&mysqlmodel.Clothes{})
+	if p.UserID != 0 {
+		q = q.Where("user_id = ?", p.UserID)
+	}
+	if p.ImageProcessStatus != 0 {
+		q = q.Where("image_process_status = ?", p.ImageProcessStatus)
+	}
+	if p.CategoryMain != "" {
+		q = q.Where("category_main = ?", p.CategoryMain)
+	}
+	if p.Keyword != "" {
+		q = q.Where("name LIKE ?", "%"+p.Keyword+"%")
+	}
+	if err := q.Count(&total).Error; err != nil {
+		span.RecordError(err)
+		return nil, 0, err
+	}
+	if err := q.Offset((p.Page - 1) * p.Size).Limit(p.Size).Order("id DESC").Find(&list).Error; err != nil {
+		span.RecordError(err)
+		return nil, 0, err
+	}
+	return list, total, nil
+}
+
+// ClothesGetByUUID 按衣物 UUID 查询
+func (d *ClothesDao) ClothesGetByUUID(ctx context.Context, clothesUUID string) (*mysqlmodel.Clothes, error) {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.ClothesGetByUUID")
+	defer span.End()
+
+	var clothes mysqlmodel.Clothes
+	if err := d.db.WithContext(ctx).Where("clothes_uuid = ?", clothesUUID).First(&clothes).Error; err != nil {
+		span.RecordError(err)
+		return nil, err
+	}
+	return &clothes, nil
+}
+
+// ClothesListByIDs 按主键 ID 批量查询衣物（穿搭详情聚合用）
+func (d *ClothesDao) ClothesListByIDs(ctx context.Context, ids []int64) ([]mysqlmodel.Clothes, error) {
+	ctx, span := global.Tracer.Start(ctx, "mysqldao.ClothesListByIDs")
+	defer span.End()
+
+	if len(ids) == 0 {
+		return []mysqlmodel.Clothes{}, nil
+	}
+	var list []mysqlmodel.Clothes
+	if err := d.db.WithContext(ctx).Where("id IN ?", ids).Find(&list).Error; err != nil {
+		span.RecordError(err)
+		return nil, err
+	}
+	return list, nil
+}