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- package store
- import (
- "context"
- "database/sql"
- "fmt"
- "strings"
- "github.com/usememos/memos/api"
- "github.com/usememos/memos/common"
- )
- // shortcutRaw is the store model for an Shortcut.
- // Fields have exactly the same meanings as Shortcut.
- type shortcutRaw struct {
- ID int
- // Standard fields
- RowStatus api.RowStatus
- CreatorID int
- CreatedTs int64
- UpdatedTs int64
- // Domain specific fields
- Title string
- Payload string
- }
- func (raw *shortcutRaw) toShortcut() *api.Shortcut {
- return &api.Shortcut{
- ID: raw.ID,
- RowStatus: raw.RowStatus,
- CreatorID: raw.CreatorID,
- CreatedTs: raw.CreatedTs,
- UpdatedTs: raw.UpdatedTs,
- Title: raw.Title,
- Payload: raw.Payload,
- }
- }
- func (s *Store) CreateShortcut(ctx context.Context, create *api.ShortcutCreate) (*api.Shortcut, error) {
- tx, err := s.db.BeginTx(ctx, nil)
- if err != nil {
- return nil, FormatError(err)
- }
- defer tx.Rollback()
- shortcutRaw, err := createShortcut(ctx, tx, create)
- if err != nil {
- return nil, err
- }
- if err := tx.Commit(); err != nil {
- return nil, FormatError(err)
- }
- if err := s.cache.UpsertCache(api.ShortcutCache, shortcutRaw.ID, shortcutRaw); err != nil {
- return nil, err
- }
- shortcut := shortcutRaw.toShortcut()
- return shortcut, nil
- }
- func (s *Store) PatchShortcut(ctx context.Context, patch *api.ShortcutPatch) (*api.Shortcut, error) {
- tx, err := s.db.BeginTx(ctx, nil)
- if err != nil {
- return nil, FormatError(err)
- }
- defer tx.Rollback()
- shortcutRaw, err := patchShortcut(ctx, tx, patch)
- if err != nil {
- return nil, err
- }
- if err := tx.Commit(); err != nil {
- return nil, FormatError(err)
- }
- if err := s.cache.UpsertCache(api.ShortcutCache, shortcutRaw.ID, shortcutRaw); err != nil {
- return nil, err
- }
- shortcut := shortcutRaw.toShortcut()
- return shortcut, nil
- }
- func (s *Store) FindShortcutList(ctx context.Context, find *api.ShortcutFind) ([]*api.Shortcut, error) {
- tx, err := s.db.BeginTx(ctx, nil)
- if err != nil {
- return nil, FormatError(err)
- }
- defer tx.Rollback()
- shortcutRawList, err := findShortcutList(ctx, tx, find)
- if err != nil {
- return nil, err
- }
- list := []*api.Shortcut{}
- for _, raw := range shortcutRawList {
- list = append(list, raw.toShortcut())
- }
- return list, nil
- }
- func (s *Store) FindShortcut(ctx context.Context, find *api.ShortcutFind) (*api.Shortcut, error) {
- if find.ID != nil {
- shortcutRaw := &shortcutRaw{}
- has, err := s.cache.FindCache(api.ShortcutCache, *find.ID, shortcutRaw)
- if err != nil {
- return nil, err
- }
- if has {
- return shortcutRaw.toShortcut(), nil
- }
- }
- tx, err := s.db.BeginTx(ctx, nil)
- if err != nil {
- return nil, FormatError(err)
- }
- defer tx.Rollback()
- list, err := findShortcutList(ctx, tx, find)
- if err != nil {
- return nil, err
- }
- if len(list) == 0 {
- return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
- }
- shortcutRaw := list[0]
- if err := s.cache.UpsertCache(api.ShortcutCache, shortcutRaw.ID, shortcutRaw); err != nil {
- return nil, err
- }
- shortcut := shortcutRaw.toShortcut()
- return shortcut, nil
- }
- func (s *Store) DeleteShortcut(ctx context.Context, delete *api.ShortcutDelete) error {
- tx, err := s.db.BeginTx(ctx, nil)
- if err != nil {
- return FormatError(err)
- }
- defer tx.Rollback()
- err = deleteShortcut(ctx, tx, delete)
- if err != nil {
- return FormatError(err)
- }
- if err := tx.Commit(); err != nil {
- return FormatError(err)
- }
- s.cache.DeleteCache(api.ShortcutCache, *delete.ID)
- return nil
- }
- func createShortcut(ctx context.Context, tx *sql.Tx, create *api.ShortcutCreate) (*shortcutRaw, error) {
- query := `
- INSERT INTO shortcut (
- title,
- payload,
- creator_id
- )
- VALUES (?, ?, ?)
- RETURNING id, title, payload, creator_id, created_ts, updated_ts, row_status
- `
- var shortcutRaw shortcutRaw
- if err := tx.QueryRowContext(ctx, query, create.Title, create.Payload, create.CreatorID).Scan(
- &shortcutRaw.ID,
- &shortcutRaw.Title,
- &shortcutRaw.Payload,
- &shortcutRaw.CreatorID,
- &shortcutRaw.CreatedTs,
- &shortcutRaw.UpdatedTs,
- &shortcutRaw.RowStatus,
- ); err != nil {
- return nil, FormatError(err)
- }
- return &shortcutRaw, nil
- }
- func patchShortcut(ctx context.Context, tx *sql.Tx, patch *api.ShortcutPatch) (*shortcutRaw, error) {
- set, args := []string{}, []interface{}{}
- if v := patch.UpdatedTs; v != nil {
- set, args = append(set, "updated_ts = ?"), append(args, *v)
- }
- if v := patch.Title; v != nil {
- set, args = append(set, "title = ?"), append(args, *v)
- }
- if v := patch.Payload; v != nil {
- set, args = append(set, "payload = ?"), append(args, *v)
- }
- if v := patch.RowStatus; v != nil {
- set, args = append(set, "row_status = ?"), append(args, *v)
- }
- args = append(args, patch.ID)
- query := `
- UPDATE shortcut
- SET ` + strings.Join(set, ", ") + `
- WHERE id = ?
- RETURNING id, title, payload, creator_id, created_ts, updated_ts, row_status
- `
- var shortcutRaw shortcutRaw
- if err := tx.QueryRowContext(ctx, query, args...).Scan(
- &shortcutRaw.ID,
- &shortcutRaw.Title,
- &shortcutRaw.Payload,
- &shortcutRaw.CreatorID,
- &shortcutRaw.CreatedTs,
- &shortcutRaw.UpdatedTs,
- &shortcutRaw.RowStatus,
- ); err != nil {
- return nil, FormatError(err)
- }
- return &shortcutRaw, nil
- }
- func findShortcutList(ctx context.Context, tx *sql.Tx, find *api.ShortcutFind) ([]*shortcutRaw, error) {
- where, args := []string{"1 = 1"}, []interface{}{}
- if v := find.ID; v != nil {
- where, args = append(where, "id = ?"), append(args, *v)
- }
- if v := find.CreatorID; v != nil {
- where, args = append(where, "creator_id = ?"), append(args, *v)
- }
- if v := find.Title; v != nil {
- where, args = append(where, "title = ?"), append(args, *v)
- }
- rows, err := tx.QueryContext(ctx, `
- SELECT
- id,
- title,
- payload,
- creator_id,
- created_ts,
- updated_ts,
- row_status
- FROM shortcut
- WHERE `+strings.Join(where, " AND ")+`
- ORDER BY created_ts DESC`,
- args...,
- )
- if err != nil {
- return nil, FormatError(err)
- }
- defer rows.Close()
- shortcutRawList := make([]*shortcutRaw, 0)
- for rows.Next() {
- var shortcutRaw shortcutRaw
- if err := rows.Scan(
- &shortcutRaw.ID,
- &shortcutRaw.Title,
- &shortcutRaw.Payload,
- &shortcutRaw.CreatorID,
- &shortcutRaw.CreatedTs,
- &shortcutRaw.UpdatedTs,
- &shortcutRaw.RowStatus,
- ); err != nil {
- return nil, FormatError(err)
- }
- shortcutRawList = append(shortcutRawList, &shortcutRaw)
- }
- if err := rows.Err(); err != nil {
- return nil, FormatError(err)
- }
- return shortcutRawList, nil
- }
- func deleteShortcut(ctx context.Context, tx *sql.Tx, delete *api.ShortcutDelete) error {
- where, args := []string{}, []interface{}{}
- if v := delete.ID; v != nil {
- where, args = append(where, "id = ?"), append(args, *v)
- }
- if v := delete.CreatorID; v != nil {
- where, args = append(where, "creator_id = ?"), append(args, *v)
- }
- stmt := `DELETE FROM shortcut WHERE ` + strings.Join(where, " AND ")
- result, err := tx.ExecContext(ctx, stmt, args...)
- if err != nil {
- return FormatError(err)
- }
- rows, _ := result.RowsAffected()
- if rows == 0 {
- return &common.Error{Code: common.NotFound, Err: fmt.Errorf("shortcut not found")}
- }
- return nil
- }
- func vacuumShortcut(ctx context.Context, tx *sql.Tx) error {
- stmt := `
- DELETE FROM
- shortcut
- WHERE
- creator_id NOT IN (
- SELECT
- id
- FROM
- user
- )`
- _, err := tx.ExecContext(ctx, stmt)
- if err != nil {
- return FormatError(err)
- }
- return nil
- }
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