memos/store/shortcut.go
boojack 3590d3f8b6
feat: update store cache (#1066)
* feat: update store cache

* chore: update
2023-02-11 14:19:26 +08:00

320 lines
6.9 KiB
Go

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)
}
s.shortcutCache.Store(shortcutRaw.ID, shortcutRaw)
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)
}
s.shortcutCache.Store(shortcutRaw.ID, shortcutRaw)
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 {
if shortcut, ok := s.shortcutCache.Load(*find.ID); ok {
return shortcut.(*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]
s.shortcutCache.Store(shortcutRaw.ID, shortcutRaw)
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.shortcutCache.Delete(*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
}