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@ -3,153 +3,127 @@ package postgres
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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/Masterminds/squirrel"
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"github.com/pkg/errors"
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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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// Initialize a Squirrel statement builder for PostgreSQL
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builder := squirrel.Insert("memo").
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PlaceholderFormat(squirrel.Dollar).
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Columns("creator_id", "content", "visibility")
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// Add initial values for the columns
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values := []any{create.CreatorID, create.Content, create.Visibility}
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// Add all the values at once
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builder = builder.Values(values...)
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// Add the RETURNING clause to get the ID of the inserted row
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builder = builder.Suffix("RETURNING id")
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// Prepare and execute the query
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query, args, err := builder.ToSql()
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if err != nil {
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fields := []string{"creator_id", "content", "visibility"}
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args := []any{create.CreatorID, create.Content, create.Visibility}
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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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var id int32
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err = d.db.QueryRowContext(ctx, query, args...).Scan(&id)
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if err != nil {
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return nil, err
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}
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// Retrieve the newly created memo
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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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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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// Start building the SELECT statement
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builder := squirrel.Select(
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"memo.id AS id",
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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.content AS content",
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"memo.visibility AS visibility",
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"MAX(CASE WHEN memo_organizer.pinned = 1 THEN 1 ELSE 0 END) AS pinned").
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From("memo").
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LeftJoin("memo_organizer ON memo.id = memo_organizer.memo_id").
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LeftJoin("resource ON memo.id = resource.memo_id").
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GroupBy("memo.id").
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PlaceholderFormat(squirrel.Dollar)
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// Add conditional where clauses
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where, args := []string{"1 = 1"}, []any{}
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if v := find.ID; v != nil {
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builder = builder.Where("memo.id = ?", *v)
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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.CreatorID; v != nil {
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builder = builder.Where("memo.creator_id = ?", *v)
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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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builder = builder.Where("memo.row_status = ?", *v)
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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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builder = builder.Where("memo.created_ts < ?", *v)
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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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builder = builder.Where("memo.created_ts > ?", *v)
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}
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if v := find.Pinned; v != nil {
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builder = builder.Where("memo_organizer.pinned = 1")
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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.ContentSearch; len(v) != 0 {
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for _, s := range v {
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builder = builder.Where("memo.content LIKE ?", "%"+s+"%")
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where, args = append(where, "memo.content LIKE "+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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placeholders := make([]string, len(v))
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args := make([]any, len(v))
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for i, visibility := range v {
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placeholders[i] = "?"
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args[i] = visibility // Assuming visibility can be directly used as an argument
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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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inClause := strings.Join(placeholders, ",")
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builder = builder.Where("memo.visibility IN ("+inClause+")", args...)
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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 = append(where, "memo_organizer.pinned = 1")
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}
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// Add order by clauses
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orders := []string{}
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if find.OrderByPinned {
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builder = builder.OrderBy("pinned DESC")
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orders = append(orders, "pinned DESC")
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}
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if find.OrderByUpdatedTs {
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builder = builder.OrderBy("updated_ts DESC")
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orders = append(orders, "updated_ts DESC")
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} else {
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builder = builder.OrderBy("created_ts DESC")
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orders = append(orders, "created_ts DESC")
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}
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builder = builder.OrderBy("id DESC")
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orders = append(orders, "id DESC")
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// Handle pagination
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fields := []string{
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`memo.id AS id`,
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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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`MAX(CASE WHEN memo_organizer.pinned = 1 THEN 1 ELSE 0 END) AS pinned`,
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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_organizer ON memo.id = memo_organizer.memo_id
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WHERE ` + strings.Join(where, " AND ") + `
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GROUP BY memo.id
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ORDER BY ` + strings.Join(orders, ", ")
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if find.Limit != nil {
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builder = builder.Limit(uint64(*find.Limit))
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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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builder = builder.Offset(uint64(*find.Offset))
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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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// Prepare and execute the query
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query, args, err := builder.ToSql()
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if err != nil {
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return nil, err
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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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// Process the result set
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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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if err := rows.Scan(
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dests := []any{
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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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); err != nil {
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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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list = append(list, &memo)
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}
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@ -174,51 +148,42 @@ func (d *DB) GetMemo(ctx context.Context, find *store.FindMemo) (*store.Memo, er
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}
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func (d *DB) UpdateMemo(ctx context.Context, update *store.UpdateMemo) error {
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// Start building the update statement
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builder := squirrel.Update("memo").
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PlaceholderFormat(squirrel.Dollar).
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Where("id = ?", update.ID)
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// Conditionally add set clauses
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set, args := []string{}, []any{}
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if v := update.CreatedTs; v != nil {
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builder = builder.Set("created_ts", *v)
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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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builder = builder.Set("updated_ts", *v)
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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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builder = builder.Set("row_status", *v)
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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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builder = builder.Set("content", *v)
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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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builder = builder.Set("visibility", *v)
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}
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// Prepare and execute the query
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query, args, err := builder.ToSql()
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if err != nil {
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return err
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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 _, err := d.db.ExecContext(ctx, query, args...); err != nil {
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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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stmt := `DELETE FROM memo WHERE id = $1`
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result, err := d.db.ExecContext(ctx, stmt, delete.ID)
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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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println("stmt", stmt, delete.ID)
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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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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 d.Vacuum(ctx)
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return nil
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}
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func vacuumMemo(ctx context.Context, tx *sql.Tx) error {
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Steven
1 year ago