mirror of
https://github.com/usememos/memos.git
synced 2025-10-31 16:59:30 +08:00
279 lines
8.6 KiB
Go
279 lines
8.6 KiB
Go
package postgres
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import (
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"context"
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"fmt"
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"strings"
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"github.com/pkg/errors"
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"google.golang.org/protobuf/encoding/protojson"
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"github.com/usememos/memos/plugin/filter"
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storepb "github.com/usememos/memos/proto/gen/store"
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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{"uid", "creator_id", "content", "visibility", "payload"}
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payload := "{}"
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if create.Payload != nil {
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payloadBytes, err := protojson.Marshal(create.Payload)
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if err != nil {
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return nil, err
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}
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payload = string(payloadBytes)
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}
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args := []any{create.UID, create.CreatorID, create.Content, create.Visibility, payload}
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stmt := "INSERT INTO memo (" + strings.Join(fields, ", ") + ") VALUES (" + placeholders(len(args)) + ") RETURNING id, created_ts, updated_ts, row_status"
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if err := d.db.QueryRowContext(ctx, stmt, args...).Scan(
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&create.ID,
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&create.CreatedTs,
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&create.UpdatedTs,
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&create.RowStatus,
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); err != nil {
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return nil, err
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}
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return create, 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 = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.UID; v != nil {
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where, args = append(where, "memo.uid = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), 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, "memo.created_ts < "+placeholder(len(args)+1)), 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, "memo.created_ts > "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.UpdatedTsBefore; v != nil {
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where, args = append(where, "memo.updated_ts < "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.UpdatedTsAfter; v != nil {
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where, args = append(where, "memo.updated_ts > "+placeholder(len(args)+1)), append(args, *v)
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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 ILIKE "+placeholder(len(args)+1)), append(args, fmt.Sprintf("%%%s%%", s))
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}
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}
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if v := find.VisibilityList; len(v) != 0 {
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holders := []string{}
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for _, visibility := range v {
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holders = append(holders, placeholder(len(args)+1))
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args = append(args, visibility.String())
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}
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where = append(where, fmt.Sprintf("memo.visibility in (%s)", strings.Join(holders, ", ")))
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}
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if v := find.Pinned; v != nil {
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where, args = append(where, "memo.pinned = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := find.PayloadFind; v != nil {
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if v.Raw != nil {
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where, args = append(where, "memo.payload = "+placeholder(len(args)+1)), append(args, *v.Raw)
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}
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if len(v.TagSearch) != 0 {
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for _, tag := range v.TagSearch {
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where, args = append(where, "EXISTS (SELECT 1 FROM jsonb_array_elements(memo.payload->'tags') AS tag WHERE tag::text = "+placeholder(len(args)+1)+" OR tag::text LIKE "+placeholder(len(args)+2)+")"), append(args, fmt.Sprintf(`"%s"`, tag), fmt.Sprintf(`"%s/%%"`, tag))
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}
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}
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if v.HasLink {
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where = append(where, "(memo.payload->'property'->>'hasLink')::BOOLEAN IS TRUE")
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}
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if v.HasTaskList {
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where = append(where, "(memo.payload->'property'->>'hasTaskList')::BOOLEAN IS TRUE")
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}
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if v.HasCode {
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where = append(where, "(memo.payload->'property'->>'hasCode')::BOOLEAN IS TRUE")
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}
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if v.HasIncompleteTasks {
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where = append(where, "(memo.payload->'property'->>'hasIncompleteTasks')::BOOLEAN IS TRUE")
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}
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}
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if v := find.Filter; v != nil {
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// Parse filter string and return the parsed expression.
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// The filter string should be a CEL expression.
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parsedExpr, err := filter.Parse(*v, filter.MemoFilterCELAttributes...)
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if err != nil {
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return nil, err
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}
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convertCtx := filter.NewConvertContext()
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convertCtx.ArgsOffset = len(args)
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// ConvertExprToSQL converts the parsed expression to a SQL condition string.
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if err := d.ConvertExprToSQL(convertCtx, parsedExpr.GetExpr()); err != nil {
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return nil, err
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}
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condition := convertCtx.Buffer.String()
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if condition != "" {
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where = append(where, fmt.Sprintf("(%s)", condition))
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args = append(args, convertCtx.Args...)
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}
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}
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if find.ExcludeComments {
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where = append(where, "memo_relation.related_memo_id IS NULL")
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}
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order := "DESC"
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if find.OrderByTimeAsc {
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order = "ASC"
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}
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orderBy := []string{}
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if find.OrderByPinned {
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orderBy = append(orderBy, "pinned DESC")
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}
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if find.OrderByUpdatedTs {
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orderBy = append(orderBy, "updated_ts "+order)
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} else {
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orderBy = append(orderBy, "created_ts "+order)
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}
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fields := []string{
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`memo.id AS id`,
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`memo.uid AS uid`,
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`memo.creator_id AS creator_id`,
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`memo.created_ts AS created_ts`,
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`memo.updated_ts AS updated_ts`,
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`memo.row_status AS row_status`,
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`memo.visibility AS visibility`,
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`memo.pinned AS pinned`,
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`memo.payload AS payload`,
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`memo_relation.related_memo_id AS parent_id`,
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}
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if !find.ExcludeContent {
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fields = append(fields, `memo.content AS content`)
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}
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query := `SELECT ` + strings.Join(fields, ", ") + `
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FROM memo
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LEFT JOIN memo_relation ON memo.id = memo_relation.memo_id AND memo_relation.type = 'COMMENT'
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WHERE ` + strings.Join(where, " AND ") + `
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ORDER BY ` + strings.Join(orderBy, ", ")
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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 payloadBytes []byte
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dests := []any{
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&memo.ID,
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&memo.UID,
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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.Visibility,
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&memo.Pinned,
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&payloadBytes,
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&memo.ParentID,
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}
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if !find.ExcludeContent {
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dests = append(dests, &memo.Content)
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}
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if err := rows.Scan(dests...); err != nil {
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return nil, err
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}
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payload := &storepb.MemoPayload{}
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if err := protojsonUnmarshaler.Unmarshal(payloadBytes, payload); err != nil {
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return nil, errors.Wrap(err, "failed to unmarshal payload")
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}
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memo.Payload = payload
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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.UID; v != nil {
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set, args = append(set, "uid = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.CreatedTs; v != nil {
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set, args = append(set, "created_ts = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), 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 = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.Pinned; v != nil {
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set, args = append(set, "pinned = "+placeholder(len(args)+1)), append(args, *v)
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}
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if v := update.Payload; v != nil {
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payloadBytes, err := protojson.Marshal(v)
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if err != nil {
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return err
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}
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set, args = append(set, "payload = "+placeholder(len(args)+1)), append(args, string(payloadBytes))
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}
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if len(set) == 0 {
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return nil
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}
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stmt := `UPDATE memo SET ` + strings.Join(set, ", ") + ` WHERE id = ` + placeholder(len(args)+1)
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args = append(args, update.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 = " + placeholder(1)}, []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 errors.Wrap(err, "failed to delete memo")
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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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return nil
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}
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