feat: `store/db` module with sqlite

bin/server/cmd/root.go

@@ -7,6 +7,7 @@ import (
 	"memos/common"
 	"memos/server"
 	"memos/store"
+	DB "memos/store/db"
 )
 
 const (
@@ -25,14 +26,14 @@ type Main struct {
 }
 
 func (m *Main) Run() error {
-	db := store.NewDB(m.profile)
+	db := DB.NewDB(m.profile)
 	if err := db.Open(); err != nil {
 		return fmt.Errorf("cannot open db: %w", err)
 	}
 
 	s := server.NewServer(m.profile)
 
-	storeInstance := store.New(db)
+	storeInstance := store.New(db.Db, m.profile)
 	s.Store = storeInstance
 
 	if err := s.Run(); err != nil {

go.mod

@@ -12,7 +12,7 @@ require (
 	github.com/mattn/go-isatty v0.0.14 // indirect
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/valyala/fasttemplate v1.2.1 // indirect
-	golang.org/x/crypto v0.0.0-20210920023735-84f357641f63 // indirect
+	golang.org/x/crypto v0.0.0-20210920023735-84f357641f63
 	golang.org/x/net v0.0.0-20210917221730-978cfadd31cf // indirect
 	golang.org/x/sys v0.0.0-20211103235746-7861aae1554b // indirect
 	golang.org/x/text v0.3.7 // indirect
@@ -26,7 +26,7 @@ require (
 )
 
 require (
-	github.com/gorilla/securecookie v1.1.1 // indirect
+	github.com/gorilla/securecookie v1.1.1
 	github.com/gorilla/sessions v1.2.1
 	github.com/labstack/echo-contrib v0.12.0
 )

store/db/db.go

@@ -1,4 +1,4 @@
-package store
+package db
 
 import (
 	"database/sql"
@@ -76,6 +76,33 @@ func (db *DB) Open() (err error) {
 }
 
 func (db *DB) migrate() error {
+	table, err := findTable(db, "migration_history")
+	if err != nil {
+		return err
+	}
+	if table == nil {
+		createTable(db, `
+		CREATE TABLE migration_history (
+			version TEXT NOT NULL PRIMARY KEY,
+			created_ts BIGINT NOT NULL DEFAULT (strftime('%s', 'now'))
+		);
+		`)
+	}
+
+	migrationHistoryList, err := findMigrationHistoyList(db)
+	if err != nil {
+		return err
+	}
+
+	if len(migrationHistoryList) == 0 {
+		createMigrationHistoy(db, common.Version)
+	} else {
+		migrationHistory := migrationHistoryList[0]
+		if migrationHistory.Version != common.Version {
+			createMigrationHistoy(db, common.Version)
+		}
+	}
+
 	filenames, err := fs.Glob(migrationFS, fmt.Sprintf("%s/*.sql", "migration"))
 	if err != nil {
 		return err

store/db/migration_history.go

@@ -0,0 +1,64 @@
+package db
+
+import (
+	"fmt"
+	"time"
+)
+
+type MigrationHistory struct {
+	CreatedTs int64
+	Version   string
+}
+
+func findMigrationHistoyList(db *DB) ([]*MigrationHistory, error) {
+	rows, err := db.Db.Query(`
+		SELECT 
+			version,
+			created_ts
+		FROM
+			migration_history
+		ORDER BY created_ts DESC
+	`)
+	if err != nil {
+		return nil, err
+	}
+	defer rows.Close()
+
+	migrationHistoryList := make([]*MigrationHistory, 0)
+	for rows.Next() {
+		var migrationHistory MigrationHistory
+		if err := rows.Scan(
+			&migrationHistory.Version,
+			&migrationHistory.CreatedTs,
+		); err != nil {
+			return nil, err
+		}
+
+		migrationHistoryList = append(migrationHistoryList, &migrationHistory)
+	}
+
+	return migrationHistoryList, nil
+}
+
+func createMigrationHistoy(db *DB, version string) error {
+	result, err := db.Db.Exec(`
+		INSERT INTO migration_history (
+			version,
+			created_ts
+		)
+		VALUES (?, ?)
+	`,
+		version,
+		time.Now().Unix(),
+	)
+	if err != nil {
+		return err
+	}
+
+	rows, _ := result.RowsAffected()
+	if rows == 0 {
+		return fmt.Errorf("failed to create migration history with %s", version)
+	}
+
+	return nil
+}

store/db/table.go

@@ -0,0 +1,65 @@
+package db
+
+import (
+	"fmt"
+	"strings"
+)
+
+type Table struct {
+	Name string
+	SQL  string
+}
+
+func findTable(db *DB, tableName string) (*Table, error) {
+	where, args := []string{"1 = 1"}, []interface{}{}
+
+	where, args = append(where, "type = ?"), append(args, "table")
+	where, args = append(where, "name = ?"), append(args, tableName)
+
+	rows, err := db.Db.Query(`
+		SELECT
+			tbl_name,
+			sql
+		FROM sqlite_schema
+		WHERE `+strings.Join(where, " AND "),
+		args...,
+	)
+	if err != nil {
+		return nil, FormatError(err)
+	}
+	defer rows.Close()
+
+	tableList := make([]*Table, 0)
+	for rows.Next() {
+		var table Table
+		if err := rows.Scan(
+			&table.Name,
+			&table.SQL,
+		); err != nil {
+			return nil, FormatError(err)
+		}
+
+		tableList = append(tableList, &table)
+	}
+
+	if err := rows.Err(); err != nil {
+		return nil, FormatError(err)
+	}
+
+	if len(tableList) == 0 {
+		return nil, nil
+	} else {
+		return tableList[0], nil
+	}
+}
+
+func createTable(db *DB, sql string) error {
+	result, err := db.Db.Exec(sql)
+
+	rows, _ := result.RowsAffected()
+	if rows == 0 {
+		return fmt.Errorf("failed to create table with %s", sql)
+	}
+
+	return err
+}

store/error.go

@@ -0,0 +1,19 @@
+package store
+
+import (
+	"database/sql"
+	"errors"
+)
+
+func FormatError(err error) error {
+	if err == nil {
+		return nil
+	}
+
+	switch err {
+	case sql.ErrNoRows:
+		return errors.New("data not found")
+	default:
+		return err
+	}
+}

store/memo.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"database/sql"
 	"fmt"
 	"memos/api"
 	"memos/common"
@@ -113,7 +114,7 @@ func (s *Store) DeleteMemo(delete *api.MemoDelete) error {
 	return nil
 }
 
-func createMemoRaw(db *DB, create *api.MemoCreate) (*memoRaw, error) {
+func createMemoRaw(db *sql.DB, create *api.MemoCreate) (*memoRaw, error) {
 	set := []string{"creator_id", "content"}
 	placeholder := []string{"?", "?"}
 	args := []interface{}{create.CreatorID, create.Content}
@@ -122,7 +123,7 @@ func createMemoRaw(db *DB, create *api.MemoCreate) (*memoRaw, error) {
 		set, placeholder, args = append(set, "created_ts"), append(placeholder, "?"), append(args, *v)
 	}
 
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		INSERT INTO memo (
 			`+strings.Join(set, ", ")+`
 		)
@@ -152,7 +153,7 @@ func createMemoRaw(db *DB, create *api.MemoCreate) (*memoRaw, error) {
 	return &memoRaw, nil
 }
 
-func patchMemoRaw(db *DB, patch *api.MemoPatch) (*memoRaw, error) {
+func patchMemoRaw(db *sql.DB, patch *api.MemoPatch) (*memoRaw, error) {
 	set, args := []string{}, []interface{}{}
 
 	if v := patch.Content; v != nil {
@@ -164,7 +165,7 @@ func patchMemoRaw(db *DB, patch *api.MemoPatch) (*memoRaw, error) {
 
 	args = append(args, patch.ID)
 
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		UPDATE memo
 		SET `+strings.Join(set, ", ")+`
 		WHERE id = ?
@@ -193,7 +194,7 @@ func patchMemoRaw(db *DB, patch *api.MemoPatch) (*memoRaw, error) {
 	return &memoRaw, nil
 }
 
-func findMemoRawList(db *DB, find *api.MemoFind) ([]*memoRaw, error) {
+func findMemoRawList(db *sql.DB, find *api.MemoFind) ([]*memoRaw, error) {
 	where, args := []string{"1 = 1"}, []interface{}{}
 
 	if v := find.ID; v != nil {
@@ -209,7 +210,7 @@ func findMemoRawList(db *DB, find *api.MemoFind) ([]*memoRaw, error) {
 		where = append(where, "id in (SELECT memo_id FROM memo_organizer WHERE pinned = 1 AND user_id = memo.creator_id )")
 	}
 
-	rows, err := db.Db.Query(`
+	rows, err := db.Query(`
 		SELECT
 			id,
 			creator_id,
@@ -250,8 +251,8 @@ func findMemoRawList(db *DB, find *api.MemoFind) ([]*memoRaw, error) {
 	return memoRawList, nil
 }
 
-func deleteMemo(db *DB, delete *api.MemoDelete) error {
+func deleteMemo(db *sql.DB, delete *api.MemoDelete) error {
-	result, err := db.Db.Exec(`DELETE FROM memo WHERE id = ?`, delete.ID)
+	result, err := db.Exec(`DELETE FROM memo WHERE id = ?`, delete.ID)
 	if err != nil {
 		return FormatError(err)
 	}

store/memo_organizer.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"database/sql"
 	"fmt"
 	"memos/api"
 	"memos/common"
@@ -47,8 +48,8 @@ func (s *Store) UpsertMemoOrganizer(upsert *api.MemoOrganizerUpsert) error {
 	return nil
 }
 
-func findMemoOrganizer(db *DB, find *api.MemoOrganizerFind) (*memoOrganizerRaw, error) {
+func findMemoOrganizer(db *sql.DB, find *api.MemoOrganizerFind) (*memoOrganizerRaw, error) {
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		SELECT
 			id,
 			memo_id,
@@ -79,8 +80,8 @@ func findMemoOrganizer(db *DB, find *api.MemoOrganizerFind) (*memoOrganizerRaw,
 	return &memoOrganizerRaw, nil
 }
 
-func upsertMemoOrganizer(db *DB, upsert *api.MemoOrganizerUpsert) error {
+func upsertMemoOrganizer(db *sql.DB, upsert *api.MemoOrganizerUpsert) error {
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		INSERT INTO memo_organizer (
 			memo_id,
 			user_id,

store/resource.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"database/sql"
 	"fmt"
 	"memos/api"
 	"memos/common"
@@ -90,8 +91,8 @@ func (s *Store) DeleteResource(delete *api.ResourceDelete) error {
 	return nil
 }
 
-func createResource(db *DB, create *api.ResourceCreate) (*resourceRaw, error) {
+func createResource(db *sql.DB, create *api.ResourceCreate) (*resourceRaw, error) {
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		INSERT INTO resource (
 			filename,
 			blob,
@@ -130,7 +131,7 @@ func createResource(db *DB, create *api.ResourceCreate) (*resourceRaw, error) {
 	return &resourceRaw, nil
 }
 
-func findResourceList(db *DB, find *api.ResourceFind) ([]*resourceRaw, error) {
+func findResourceList(db *sql.DB, find *api.ResourceFind) ([]*resourceRaw, error) {
 	where, args := []string{"1 = 1"}, []interface{}{}
 
 	if v := find.ID; v != nil {
@@ -143,7 +144,7 @@ func findResourceList(db *DB, find *api.ResourceFind) ([]*resourceRaw, error) {
 		where, args = append(where, "filename = ?"), append(args, *v)
 	}
 
-	rows, err := db.Db.Query(`
+	rows, err := db.Query(`
 		SELECT
 			id,
 			filename,
@@ -186,8 +187,8 @@ func findResourceList(db *DB, find *api.ResourceFind) ([]*resourceRaw, error) {
 	return resourceRawList, nil
 }
 
-func deleteResource(db *DB, delete *api.ResourceDelete) error {
+func deleteResource(db *sql.DB, delete *api.ResourceDelete) error {
-	result, err := db.Db.Exec(`DELETE FROM resource WHERE id = ?`, delete.ID)
+	result, err := db.Exec(`DELETE FROM resource WHERE id = ?`, delete.ID)
 	if err != nil {
 		return FormatError(err)
 	}

store/shortcut.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"database/sql"
 	"fmt"
 	"memos/api"
 	"memos/common"
@@ -97,8 +98,8 @@ func (s *Store) DeleteShortcut(delete *api.ShortcutDelete) error {
 	return nil
 }
 
-func createShortcut(db *DB, create *api.ShortcutCreate) (*shortcutRaw, error) {
+func createShortcut(db *sql.DB, create *api.ShortcutCreate) (*shortcutRaw, error) {
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		INSERT INTO shortcut (
 			title, 
 			payload, 
@@ -133,7 +134,7 @@ func createShortcut(db *DB, create *api.ShortcutCreate) (*shortcutRaw, error) {
 	return &shortcutRaw, nil
 }
 
-func patchShortcut(db *DB, patch *api.ShortcutPatch) (*shortcutRaw, error) {
+func patchShortcut(db *sql.DB, patch *api.ShortcutPatch) (*shortcutRaw, error) {
 	set, args := []string{}, []interface{}{}
 
 	if v := patch.Title; v != nil {
@@ -148,7 +149,7 @@ func patchShortcut(db *DB, patch *api.ShortcutPatch) (*shortcutRaw, error) {
 
 	args = append(args, patch.ID)
 
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		UPDATE shortcut
 		SET `+strings.Join(set, ", ")+`
 		WHERE id = ?
@@ -178,7 +179,7 @@ func patchShortcut(db *DB, patch *api.ShortcutPatch) (*shortcutRaw, error) {
 	return &shortcutRaw, nil
 }
 
-func findShortcutList(db *DB, find *api.ShortcutFind) ([]*shortcutRaw, error) {
+func findShortcutList(db *sql.DB, find *api.ShortcutFind) ([]*shortcutRaw, error) {
 	where, args := []string{"1 = 1"}, []interface{}{}
 
 	if v := find.ID; v != nil {
@@ -191,7 +192,7 @@ func findShortcutList(db *DB, find *api.ShortcutFind) ([]*shortcutRaw, error) {
 		where, args = append(where, "title = ?"), append(args, *v)
 	}
 
-	rows, err := db.Db.Query(`
+	rows, err := db.Query(`
 		SELECT
 			id,
 			title,
@@ -234,8 +235,8 @@ func findShortcutList(db *DB, find *api.ShortcutFind) ([]*shortcutRaw, error) {
 	return shortcutRawList, nil
 }
 
-func deleteShortcut(db *DB, delete *api.ShortcutDelete) error {
+func deleteShortcut(db *sql.DB, delete *api.ShortcutDelete) error {
-	result, err := db.Db.Exec(`DELETE FROM shortcut WHERE id = ?`, delete.ID)
+	result, err := db.Exec(`DELETE FROM shortcut WHERE id = ?`, delete.ID)
 	if err != nil {
 		return FormatError(err)
 	}

store/store.go

@@ -1,13 +1,20 @@
 package store
 
+import (
+	"database/sql"
+	"memos/common"
+)
+
 // Store provides database access to all raw objects
 type Store struct {
-	db *DB
+	db      *sql.DB
+	profile *common.Profile
 }
 
 // New creates a new instance of Store
-func New(db *DB) *Store {
+func New(db *sql.DB, profile *common.Profile) *Store {
 	return &Store{
-		db: db,
+		db:      db,
+		profile: profile,
 	}
 }

store/user.go

@@ -1,6 +1,7 @@
 package store
 
 import (
+	"database/sql"
 	"fmt"
 	"memos/api"
 	"memos/common"
@@ -94,8 +95,8 @@ func (s *Store) FindUser(find *api.UserFind) (*api.User, error) {
 	return user, nil
 }
 
-func createUser(db *DB, create *api.UserCreate) (*userRaw, error) {
+func createUser(db *sql.DB, create *api.UserCreate) (*userRaw, error) {
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		INSERT INTO user (
 			email,
 			role,
@@ -135,7 +136,7 @@ func createUser(db *DB, create *api.UserCreate) (*userRaw, error) {
 	return &userRaw, nil
 }
 
-func patchUser(db *DB, patch *api.UserPatch) (*userRaw, error) {
+func patchUser(db *sql.DB, patch *api.UserPatch) (*userRaw, error) {
 	set, args := []string{}, []interface{}{}
 
 	if v := patch.RowStatus; v != nil {
@@ -156,7 +157,7 @@ func patchUser(db *DB, patch *api.UserPatch) (*userRaw, error) {
 
 	args = append(args, patch.ID)
 
-	row, err := db.Db.Query(`
+	row, err := db.Query(`
 		UPDATE user
 		SET `+strings.Join(set, ", ")+`
 		WHERE id = ?
@@ -188,7 +189,7 @@ func patchUser(db *DB, patch *api.UserPatch) (*userRaw, error) {
 	return nil, &common.Error{Code: common.NotFound, Err: fmt.Errorf("user ID not found: %d", patch.ID)}
 }
 
-func findUserList(db *DB, find *api.UserFind) ([]*userRaw, error) {
+func findUserList(db *sql.DB, find *api.UserFind) ([]*userRaw, error) {
 	where, args := []string{"1 = 1"}, []interface{}{}
 
 	if v := find.ID; v != nil {
@@ -207,7 +208,7 @@ func findUserList(db *DB, find *api.UserFind) ([]*userRaw, error) {
 		where, args = append(where, "open_id = ?"), append(args, *v)
 	}
 
-	rows, err := db.Db.Query(`
+	rows, err := db.Query(`
 		SELECT 
 			id,
 			email,