refactor: backend

store/shortcut.go

@@ -0,0 +1,216 @@
+package store
+
+import (
+	"fmt"
+	"memos/api"
+	"memos/common"
+	"strings"
+)
+
+type ShortcutService struct {
+	db *DB
+}
+
+func NewShortcutService(db *DB) *ShortcutService {
+	return &ShortcutService{db: db}
+}
+
+func (s *ShortcutService) CreateShortcut(create *api.ShortcutCreate) (*api.Shortcut, error) {
+	shortcut, err := createShortcut(s.db, create)
+	if err != nil {
+		return nil, err
+	}
+
+	return shortcut, nil
+}
+
+func (s *ShortcutService) PatchShortcut(patch *api.ShortcutPatch) (*api.Shortcut, error) {
+	shortcut, err := patchShortcut(s.db, patch)
+	if err != nil {
+		return nil, err
+	}
+
+	return shortcut, nil
+}
+
+func (s *ShortcutService) FindShortcutList(find *api.ShortcutFind) ([]*api.Shortcut, error) {
+	list, err := findShortcutList(s.db, find)
+	if err != nil {
+		return nil, err
+	}
+
+	return list, nil
+}
+
+func (s *ShortcutService) FindShortcut(find *api.ShortcutFind) (*api.Shortcut, error) {
+	list, err := findShortcutList(s.db, find)
+	if err != nil {
+		return nil, err
+	}
+
+	if len(list) == 0 {
+		return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
+	}
+
+	return list[0], nil
+}
+
+func (s *ShortcutService) DeleteShortcut(delete *api.ShortcutDelete) error {
+	err := deleteShortcut(s.db, delete)
+	if err != nil {
+		return FormatError(err)
+	}
+
+	return nil
+}
+
+func createShortcut(db *DB, create *api.ShortcutCreate) (*api.Shortcut, error) {
+	row, err := db.Db.Query(`
+		INSERT INTO shortcut (
+			title, 
+			payload, 
+			creator_id, 
+		)
+		VALUES (?, ?, ?)
+		RETURNING id, title, payload, creator_id, created_ts, updated_ts, pinned_ts
+	`,
+		create.Title,
+		create.Payload,
+		create.CreatorId,
+	)
+
+	if err != nil {
+		return nil, FormatError(err)
+	}
+	defer row.Close()
+
+	row.Next()
+	var shortcut api.Shortcut
+	if err := row.Scan(
+		&shortcut.Id,
+		&shortcut.Title,
+		&shortcut.Payload,
+		&shortcut.CreatorId,
+		&shortcut.CreatedTs,
+		&shortcut.UpdatedTs,
+		&shortcut.PinnedTs,
+	); err != nil {
+		return nil, FormatError(err)
+	}
+
+	return &shortcut, nil
+}
+
+func patchShortcut(db *DB, patch *api.ShortcutPatch) (*api.Shortcut, error) {
+	set, args := []string{}, []interface{}{}
+	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.PinnedTs; v != nil {
+		set, args = append(set, "pinned_ts = ?"), append(args, *v)
+	}
+
+	args = append(args, patch.Id)
+
+	row, err := db.Db.Query(`
+		UPDATE shortcut
+		SET `+strings.Join(set, ", ")+`
+		WHERE id = ?
+		RETURNING id, title, payload, created_ts, updated_ts, pinned_ts
+	`, args...)
+	if err != nil {
+		return nil, FormatError(err)
+	}
+	defer row.Close()
+
+	if !row.Next() {
+		return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("not found")}
+	}
+
+	var shortcut api.Shortcut
+	if err := row.Scan(
+		&shortcut.Id,
+		&shortcut.Title,
+		&shortcut.Payload,
+		&shortcut.CreatedTs,
+		&shortcut.UpdatedTs,
+		&shortcut.PinnedTs,
+	); err != nil {
+		return nil, FormatError(err)
+	}
+
+	return &shortcut, nil
+}
+
+func findShortcutList(db *DB, find *api.ShortcutFind) ([]*api.Shortcut, 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 := db.Db.Query(`
+		SELECT
+			id,
+			title,
+			payload,
+			creator_id,
+			created_ts,
+			updated_ts,
+			pinned_ts
+		FROM shortcut
+		WHERE `+strings.Join(where, " AND "),
+		args...,
+	)
+	if err != nil {
+		return nil, FormatError(err)
+	}
+	defer rows.Close()
+
+	list := make([]*api.Shortcut, 0)
+	for rows.Next() {
+		var shortcut api.Shortcut
+		if err := rows.Scan(
+			&shortcut.Id,
+			&shortcut.Title,
+			&shortcut.Payload,
+			&shortcut.CreatorId,
+			&shortcut.CreatedTs,
+			&shortcut.UpdatedTs,
+			&shortcut.PinnedTs,
+		); err != nil {
+			return nil, FormatError(err)
+		}
+
+		list = append(list, &shortcut)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, FormatError(err)
+	}
+
+	return list, nil
+}
+
+func deleteShortcut(db *DB, delete *api.ShortcutDelete) error {
+	result, err := db.Db.Exec(`DELETE FROM saved_query WHERE id = ?`, delete.Id)
+	if err != nil {
+		return FormatError(err)
+	}
+
+	rows, _ := result.RowsAffected()
+	if rows == 0 {
+		return &common.Error{Code: common.NotFound, Err: fmt.Errorf("memo ID not found: %d", delete.Id)}
+	}
+
+	return nil
+}