fix db file dependencies (#56)

internal/wechatdb/datasource/darwinv3/datasource.go

@@ -25,7 +25,7 @@ const (
 	Media    = "media"
 )
 
-var Groups = []dbm.Group{
+var Groups = []*dbm.Group{
 	{
 		Name:      Message,
 		Pattern:   `^msg_([0-9]?[0-9])?\.db$`,
@@ -114,6 +114,10 @@ func (ds *DataSource) initMessageDbs() error {
 
 	dbPaths, err := ds.dbm.GetDBPath(Message)
 	if err != nil {
+		if strings.Contains(err.Error(), "db file not found") {
+			ds.talkerDBMap = make(map[string]string)
+			return nil
+		}
 		return err
 	}
 	// 处理每个数据库文件
@@ -155,6 +159,10 @@ func (ds *DataSource) initMessageDbs() error {
 func (ds *DataSource) initChatRoomDb() error {
 	db, err := ds.dbm.GetDB(ChatRoom)
 	if err != nil {
+		if strings.Contains(err.Error(), "db file not found") {
+			ds.user2DisplayName = make(map[string]string)
+			return nil
+		}
 		return err
 	}
 

internal/wechatdb/datasource/dbm/dbm.go

@@ -34,7 +34,7 @@ func NewDBManager(path string) *DBManager {
 	}
 }
 
-func (d *DBManager) AddGroup(g Group) error {
+func (d *DBManager) AddGroup(g *Group) error {
 	fg, err := filemonitor.NewFileGroup(g.Name, d.path, g.Pattern, g.BlackList)
 	if err != nil {
 		return err

internal/wechatdb/datasource/dbm/dbm_test.go

@@ -9,7 +9,7 @@ import (
 func TestXxx(t *testing.T) {
 	path := "/Users/sarv/Documents/chatlog/bigjun_9e7a"
 
-	g := Group{
+	g := &Group{
 		Name:      "session",
 		Pattern:   `session\.db$`,
 		BlackList: []string{},

internal/wechatdb/datasource/v4/datasource.go

@@ -27,7 +27,7 @@ const (
 	Voice   = "voice"
 )
 
-var Groups = []dbm.Group{
+var Groups = []*dbm.Group{
 	{
 		Name:      Message,
 		Pattern:   `^message_([0-9]?[0-9])?\.db$`,
@@ -113,6 +113,10 @@ func (ds *DataSource) SetCallback(name string, callback func(event fsnotify.Even
 func (ds *DataSource) initMessageDbs() error {
 	dbPaths, err := ds.dbm.GetDBPath(Message)
 	if err != nil {
+		if strings.Contains(err.Error(), "db file not found") {
+			ds.messageInfos = make([]MessageDBInfo, 0)
+			return nil
+		}
 		return err
 	}
 

internal/wechatdb/datasource/windowsv3/datasource.go

@@ -27,7 +27,7 @@ const (
 	Voice   = "voice"
 )
 
-var Groups = []dbm.Group{
+var Groups = []*dbm.Group{
 	{
 		Name:      Message,
 		Pattern:   `^MSG([0-9]?[0-9])?\.db$`,
@@ -122,6 +122,10 @@ func (ds *DataSource) initMessageDbs() error {
 	// 获取所有消息数据库文件路径
 	dbPaths, err := ds.dbm.GetDBPath(Message)
 	if err != nil {
+		if strings.Contains(err.Error(), "db file not found") {
+			ds.messageInfos = make([]MessageDBInfo, 0)
+			return nil
+		}
 		return err
 	}