mirror of
https://github.com/usememos/memos.git
synced 2024-11-16 03:34:33 +08:00
287 lines
8.5 KiB
Go
287 lines
8.5 KiB
Go
package mysql
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import (
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"context"
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"database/sql"
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"fmt"
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"strings"
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"github.com/pkg/errors"
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"github.com/usememos/memos/internal/util"
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"github.com/usememos/memos/store"
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)
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func (d *DB) CreateMemo(ctx context.Context, create *store.Memo) (*store.Memo, error) {
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fields := []string{"`creator_id`", "`content`", "`visibility`"}
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placeholder := []string{"?", "?", "?"}
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args := []any{create.CreatorID, create.Content, create.Visibility}
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if create.ID != 0 {
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fields = append(fields, "`id`")
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placeholder = append(placeholder, "?")
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args = append(args, create.ID)
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}
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if create.CreatedTs != 0 {
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fields = append(fields, "`created_ts`")
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placeholder = append(placeholder, "FROM_UNIXTIME(?)")
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args = append(args, create.CreatedTs)
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}
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if create.UpdatedTs != 0 {
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fields = append(fields, "`updated_ts`")
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placeholder = append(placeholder, "FROM_UNIXTIME(?)")
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args = append(args, create.UpdatedTs)
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}
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if create.RowStatus != "" {
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fields = append(fields, "`row_status`")
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placeholder = append(placeholder, "?")
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args = append(args, create.RowStatus)
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}
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stmt := "INSERT INTO memo (" + strings.Join(fields, ", ") + ") VALUES (" + strings.Join(placeholder, ", ") + ")"
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result, err := d.db.ExecContext(ctx, stmt, args...)
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if err != nil {
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return nil, err
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}
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rawID, err := result.LastInsertId()
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if err != nil {
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return nil, err
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}
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id := int32(rawID)
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memo, err := d.GetMemo(ctx, &store.FindMemo{ID: &id})
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if err != nil {
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return nil, err
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}
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if memo == nil {
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return nil, errors.Errorf("failed to create memo")
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}
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return memo, nil
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}
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func (d *DB) ListMemos(ctx context.Context, find *store.FindMemo) ([]*store.Memo, error) {
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where, args := []string{"1 = 1"}, []any{}
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if v := find.ID; v != nil {
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where, args = append(where, "`memo`.`id` = ?"), append(args, *v)
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}
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if v := find.CreatorID; v != nil {
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where, args = append(where, "`memo`.`creator_id` = ?"), append(args, *v)
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}
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if v := find.RowStatus; v != nil {
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where, args = append(where, "`memo`.`row_status` = ?"), append(args, *v)
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}
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if v := find.CreatedTsBefore; v != nil {
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where, args = append(where, "UNIX_TIMESTAMP(`memo`.`created_ts`) < ?"), append(args, *v)
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}
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if v := find.CreatedTsAfter; v != nil {
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where, args = append(where, "UNIX_TIMESTAMP(`memo`.`created_ts`) > ?"), append(args, *v)
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}
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if v := find.Pinned; v != nil {
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where = append(where, "`memo_organizer`.`pinned` = 1")
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}
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if v := find.ContentSearch; len(v) != 0 {
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for _, s := range v {
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where, args = append(where, "`memo`.`content` LIKE ?"), append(args, "%"+s+"%")
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}
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}
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if v := find.VisibilityList; len(v) != 0 {
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list := []string{}
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for _, visibility := range v {
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list = append(list, "?")
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args = append(args, visibility)
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}
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where = append(where, fmt.Sprintf("`memo`.`visibility` in (%s)", strings.Join(list, ",")))
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}
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orders := []string{"`pinned` DESC"}
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if find.OrderByUpdatedTs {
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orders = append(orders, "`updated_ts` DESC")
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} else {
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orders = append(orders, "`created_ts` DESC")
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}
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orders = append(orders, "`id` DESC")
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query := "SELECT `memo`.`id` AS `id`, `memo`.`creator_id` AS `creator_id`, UNIX_TIMESTAMP(`memo`.`created_ts`) AS `created_ts`, UNIX_TIMESTAMP(`memo`.`updated_ts`) AS `updated_ts`, `memo`.`row_status` AS `row_status`, `memo`.`content` AS `content`, `memo`.`visibility` AS `visibility`, MAX(CASE WHEN `memo_organizer`.`pinned` = 1 THEN 1 ELSE 0 END) AS `pinned`, GROUP_CONCAT(`resource`.`id`) AS `resource_id_list`, (SELECT GROUP_CONCAT(`memo_id`,':',`related_memo_id`,':',`type`) FROM `memo_relation` WHERE `memo_relation`.`memo_id` = `memo`.`id` OR `memo_relation`.`related_memo_id` = `memo`.`id` ) AS `relation_list` FROM `memo` LEFT JOIN `memo_organizer` ON `memo`.`id` = `memo_organizer`.`memo_id` LEFT JOIN `resource` ON `memo`.`id` = `resource`.`memo_id` WHERE " + strings.Join(where, " AND ") + " GROUP BY `memo`.`id` ORDER BY " + strings.Join(orders, ", ")
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if find.Limit != nil {
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query = fmt.Sprintf("%s LIMIT %d", query, *find.Limit)
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if find.Offset != nil {
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query = fmt.Sprintf("%s OFFSET %d", query, *find.Offset)
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}
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}
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rows, err := d.db.QueryContext(ctx, query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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list := make([]*store.Memo, 0)
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for rows.Next() {
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var memo store.Memo
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var memoResourceIDList sql.NullString
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var memoRelationList sql.NullString
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if err := rows.Scan(
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&memo.ID,
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&memo.CreatorID,
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&memo.CreatedTs,
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&memo.UpdatedTs,
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&memo.RowStatus,
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&memo.Content,
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&memo.Visibility,
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&memo.Pinned,
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&memoResourceIDList,
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&memoRelationList,
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); err != nil {
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return nil, err
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}
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if memoResourceIDList.Valid {
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idStringList := strings.Split(memoResourceIDList.String, ",")
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memo.ResourceIDList = make([]int32, 0, len(idStringList))
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for _, idString := range idStringList {
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id, err := util.ConvertStringToInt32(idString)
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if err != nil {
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return nil, err
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}
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memo.ResourceIDList = append(memo.ResourceIDList, id)
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}
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}
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if memoRelationList.Valid {
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memo.RelationList = make([]*store.MemoRelation, 0)
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relatedMemoTypeList := strings.Split(memoRelationList.String, ",")
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for _, relatedMemoType := range relatedMemoTypeList {
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relatedMemoTypeList := strings.Split(relatedMemoType, ":")
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if len(relatedMemoTypeList) != 3 {
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return nil, errors.Errorf("invalid relation format")
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}
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memoID, err := util.ConvertStringToInt32(relatedMemoTypeList[0])
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if err != nil {
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return nil, err
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}
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relatedMemoID, err := util.ConvertStringToInt32(relatedMemoTypeList[1])
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if err != nil {
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return nil, err
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}
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relationType := store.MemoRelationType(relatedMemoTypeList[2])
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memo.RelationList = append(memo.RelationList, &store.MemoRelation{
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MemoID: memoID,
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RelatedMemoID: relatedMemoID,
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Type: relationType,
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})
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// Set the first parent ID if relation type is comment.
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if memo.ParentID == nil && memoID == memo.ID && relationType == store.MemoRelationComment {
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memo.ParentID = &relatedMemoID
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}
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}
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}
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list = append(list, &memo)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return list, nil
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}
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func (d *DB) GetMemo(ctx context.Context, find *store.FindMemo) (*store.Memo, error) {
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list, err := d.ListMemos(ctx, find)
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if err != nil {
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return nil, err
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}
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if len(list) == 0 {
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return nil, nil
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}
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memo := list[0]
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return memo, nil
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}
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func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
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set, args := []string{}, []any{}
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if v := update.CreatedTs; v != nil {
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set, args = append(set, "`created_ts` = FROM_UNIXTIME(?)"), append(args, *v)
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}
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if v := update.UpdatedTs; v != nil {
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set, args = append(set, "`updated_ts` = FROM_UNIXTIME(?)"), append(args, *v)
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}
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if v := update.RowStatus; v != nil {
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set, args = append(set, "`row_status` = ?"), append(args, *v)
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}
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if v := update.Content; v != nil {
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set, args = append(set, "`content` = ?"), append(args, *v)
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}
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if v := update.Visibility; v != nil {
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set, args = append(set, "`visibility` = ?"), append(args, *v)
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}
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args = append(args, update.ID)
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stmt := "UPDATE `memo` SET " + strings.Join(set, ", ") + " WHERE `id` = ?"
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if _, err := d.db.ExecContext(ctx, stmt, args...); err != nil {
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return err
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}
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return nil
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}
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func (d *DB) DeleteMemo(ctx context.Context, delete *store.DeleteMemo) error {
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where, args := []string{"`id` = ?"}, []any{delete.ID}
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stmt := "DELETE FROM `memo` WHERE " + strings.Join(where, " AND ")
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result, err := d.db.ExecContext(ctx, stmt, args...)
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if err != nil {
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return err
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}
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if _, err := result.RowsAffected(); err != nil {
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return err
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}
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if err := d.Vacuum(ctx); err != nil {
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// Prevent linter warning.
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return err
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}
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return nil
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}
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func (d *DB) FindMemosVisibilityList(ctx context.Context, memoIDs []int32) ([]store.Visibility, error) {
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args := make([]any, 0, len(memoIDs))
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list := make([]string, 0, len(memoIDs))
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for _, memoID := range memoIDs {
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args = append(args, memoID)
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list = append(list, "?")
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}
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where := fmt.Sprintf("`id` in (%s)", strings.Join(list, ","))
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query := "SELECT DISTINCT(`visibility`) FROM `memo` WHERE " + where
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rows, err := d.db.QueryContext(ctx, query, args...)
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if err != nil {
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return nil, err
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}
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defer rows.Close()
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visibilityList := make([]store.Visibility, 0)
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for rows.Next() {
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var visibility store.Visibility
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if err := rows.Scan(&visibility); err != nil {
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return nil, err
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}
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visibilityList = append(visibilityList, visibility)
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}
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if err := rows.Err(); err != nil {
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return nil, err
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}
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return visibilityList, nil
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}
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func vacuumMemo(ctx context.Context, tx *sql.Tx) error {
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stmt := "DELETE FROM `memo` WHERE `creator_id` NOT IN (SELECT `id` FROM `user`)"
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_, err := tx.ExecContext(ctx, stmt)
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if err != nil {
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return err
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}
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return nil
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}
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