Create & Init Project...

app/job/main/activity/dao/like/web_data.go

@@ -0,0 +1,50 @@
+package like
+
+import (
+	"context"
+	"database/sql"
+
+	"go-common/app/job/main/activity/model/like"
+
+	"github.com/pkg/errors"
+)
+
+const (
+	_webDataCntSQL  = "SELECT COUNT(1) AS cnt FROM act_web_data WHERE state = 1 AND vid = ?"
+	_webDataListSQL = "SELECT id,vid,data FROM act_web_data WHERE state= 1 AND vid = ? ORDER BY id LIMIT ?,?"
+)
+
+// WebDataCnt get web data count.
+func (d *Dao) WebDataCnt(c context.Context, vid int64) (count int, err error) {
+	row := d.db.QueryRow(c, _webDataCntSQL, vid)
+	if err = row.Scan(&count); err != nil {
+		if err == sql.ErrNoRows {
+			err = nil
+		} else {
+			err = errors.Wrapf(err, "WebDataCnt:QueryRow(%d)", vid)
+		}
+	}
+	return
+}
+
+// WebDataList get web data list by vid.
+func (d *Dao) WebDataList(c context.Context, vid int64, offset, limit int) (list []*like.WebData, err error) {
+	rows, err := d.db.Query(c, _webDataListSQL, vid, offset, limit)
+	if err != nil {
+		err = errors.Wrapf(err, "WebDataList:d.db.Query(%d,%d,%d)", vid, offset, limit)
+		return
+	}
+	defer rows.Close()
+	for rows.Next() {
+		n := new(like.WebData)
+		if err = rows.Scan(&n.ID, &n.Vid, &n.Data); err != nil {
+			err = errors.Wrapf(err, "WebDataList:row.Scan row (%d,%d,%d)", vid, offset, limit)
+			return
+		}
+		list = append(list, n)
+	}
+	if err = rows.Err(); err != nil {
+		err = errors.Wrapf(err, "LikeList:rowsErr(%d,%d,%d)", vid, offset, limit)
+	}
+	return
+}