feat: 增加商品目录导入记录 (#134)

admin/repository/catalog_import.go

@@ -64,6 +64,71 @@ func GetCatalogImportRun(q Execer, source, batchID string) (model.CatalogImportR
 	return run, nil
 }
 
+// ListCatalogImportRuns 在数据库中按来源、状态筛选并倒序分页。
+func ListCatalogImportRuns(q Execer, source string, status model.CatalogImportStatus, limit, offset int) ([]model.CatalogImportRun, int, error) {
+	where := " WHERE 1=1"
+	args := make([]any, 0, 4)
+	if source != "" {
+		where += " AND source=?"
+		args = append(args, source)
+	}
+	if status != "" {
+		where += " AND status=?"
+		args = append(args, status)
+	}
+	var total int
+	if err := q.QueryRow(`SELECT COUNT(*) FROM catalog_import_runs`+where, args...).Scan(&total); err != nil {
+		return nil, 0, fmt.Errorf("统计商品目录批次失败: %w", err)
+	}
+	listArgs := append(append([]any{}, args...), limit, offset)
+	rows, err := q.Query(`SELECT source,batch_id FROM catalog_import_runs`+where+` ORDER BY created_at DESC,source,batch_id LIMIT ? OFFSET ?`, listArgs...)
+	if err != nil {
+		return nil, 0, fmt.Errorf("查询商品目录批次列表失败: %w", err)
+	}
+	defer rows.Close()
+	keys := make([][2]string, 0, limit)
+	for rows.Next() {
+		var key [2]string
+		if err := rows.Scan(&key[0], &key[1]); err != nil {
+			return nil, 0, err
+		}
+		keys = append(keys, key)
+	}
+	if err := rows.Err(); err != nil {
+		return nil, 0, err
+	}
+	if err := rows.Close(); err != nil {
+		return nil, 0, err
+	}
+	list := make([]model.CatalogImportRun, 0, len(keys))
+	for _, key := range keys {
+		run, err := GetCatalogImportRun(q, key[0], key[1])
+		if err != nil {
+			return nil, 0, err
+		}
+		list = append(list, run)
+	}
+	return list, total, nil
+}
+
+// ListCatalogImportSources 返回筛选下拉框所需的稳定来源名。
+func ListCatalogImportSources(q Execer) ([]string, error) {
+	rows, err := q.Query(`SELECT DISTINCT source FROM catalog_import_runs ORDER BY source`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+	var list []string
+	for rows.Next() {
+		var source string
+		if err := rows.Scan(&source); err != nil {
+			return nil, err
+		}
+		list = append(list, source)
+	}
+	return list, rows.Err()
+}
+
 // RecordCatalogImportReplay 记录相同请求的重复提交，业务数据不会再次写入。
 func RecordCatalogImportReplay(q Execer, source, batchID, requestedAt string) error {
 	result, err := q.Exec(`UPDATE catalog_import_runs SET request_count=request_count+1,last_request_at=?