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=?

admin/repository/catalog_import_test.go

@@ -3,6 +3,7 @@ package repository
 import (
 	"database/sql"
 	"errors"
+	"fmt"
 	"testing"
 
 	_ "modernc.org/sqlite"
@@ -49,4 +50,29 @@ func TestCatalogImportRun_登记查询重放和冲突(t *testing.T) {
 	if got.RequestCount != 3 || got.ConflictCount != 1 || got.LastConflictAt == "" {
 		t.Fatalf("批次计数不正确：%+v", got)
 	}
+	other := run
+	other.Source, other.BatchID = "script-b", "batch-2"
+	if err := InsertCatalogImportRun(db, other); err != nil {
+		t.Fatal(err)
+	}
+	list, total, err := ListCatalogImportRuns(db, "script-a", model.CatalogImportProcessing, 20, 0)
+	if err != nil || total != 1 || len(list) != 1 || list[0].BatchID != "batch-1" {
+		t.Fatalf("分页筛选错误：total=%d list=%+v err=%v", total, list, err)
+	}
+	sources, err := ListCatalogImportSources(db)
+	if err != nil || len(sources) != 2 {
+		t.Fatalf("来源列表错误：%v %v", sources, err)
+	}
+	for i := 3; i <= 1001; i++ {
+		bulk := run
+		bulk.Source = "script-b"
+		bulk.BatchID = fmt.Sprintf("batch-%04d", i)
+		if err := InsertCatalogImportRun(db, bulk); err != nil {
+			t.Fatal(err)
+		}
+	}
+	page, total, err := ListCatalogImportRuns(db, "script-b", "", 20, 20)
+	if err != nil || total != 1000 || len(page) != 20 {
+		t.Fatalf("1000 条数据库分页错误：total=%d rows=%d err=%v", total, len(page), err)
+	}
 }