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This commit is contained in:
Shen Junzheng
2025-04-14 23:42:28 +08:00
parent f2aa923e99
commit 8d1d1047b9
20 changed files with 2903 additions and 712 deletions
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285
internal/wechatdb/datasource/v4/datasource.go
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@@ -10,22 +10,51 @@ import (
"strings"
"time"
"github.com/fsnotify/fsnotify"
_ "github.com/mattn/go-sqlite3"
"github.com/rs/zerolog/log"
"github.com/sjzar/chatlog/internal/errors"
"github.com/sjzar/chatlog/internal/model"
"github.com/sjzar/chatlog/pkg/util"
"github.com/sjzar/chatlog/internal/wechatdb/datasource/dbm"
)
const (
MessageFilePattern = "^message_([0-9]?[0-9])?\\.db$"
ContactFilePattern = "^contact\\.db$"
SessionFilePattern = "^session\\.db$"
MediaFilePattern = "^hardlink\\.db$"
VoiceFilePattern = "^media_([0-9]?[0-9])?\\.db$"
Message = "message"
Contact = "contact"
Session = "session"
Media = "media"
Voice = "voice"
)
var Groups = []dbm.Group{
{
Name: Message,
Pattern: `^message_([0-9]?[0-9])?\.db$`,
BlackList: []string{},
},
{
Name: Contact,
Pattern: `^contact\.db$`,
BlackList: []string{},
},
{
Name: Session,
Pattern: `session\.db$`,
BlackList: []string{},
},
{
Name: Media,
Pattern: `^hardlink\.db$`,
BlackList: []string{},
},
{
Name: Voice,
Pattern: `^media_([0-9]?[0-9])?\.db$`,
BlackList: []string{},
},
}
// MessageDBInfo 存储消息数据库的信息
type MessageDBInfo struct {
FilePath string
@@ -34,61 +63,65 @@ type MessageDBInfo struct {
}
type DataSource struct {
path string
messageDbs map[string]*sql.DB
contactDb *sql.DB
sessionDb *sql.DB
mediaDb *sql.DB
voiceDb []*sql.DB
path string
dbm *dbm.DBManager
// 消息数据库信息
messageFiles []MessageDBInfo
messageInfos []MessageDBInfo
}
func New(path string) (*DataSource, error) {
ds := &DataSource{
path: path,
messageDbs: make(map[string]*sql.DB),
voiceDb: make([]*sql.DB, 0),
messageFiles: make([]MessageDBInfo, 0),
dbm: dbm.NewDBManager(path),
messageInfos: make([]MessageDBInfo, 0),
}
if err := ds.initMessageDbs(path); err != nil {
return nil, errors.DBInitFailed(err)
}
if err := ds.initContactDb(path); err != nil {
return nil, errors.DBInitFailed(err)
}
if err := ds.initSessionDb(path); err != nil {
return nil, errors.DBInitFailed(err)
}
if err := ds.initMediaDb(path); err != nil {
return nil, errors.DBInitFailed(err)
}
if err := ds.initVoiceDb(path); err != nil {
for _, g := range Groups {
ds.dbm.AddGroup(g)
}
if err := ds.dbm.Start(); err != nil {
return nil, err
}
if err := ds.initMessageDbs(); err != nil {
return nil, errors.DBInitFailed(err)
}
ds.dbm.AddCallback(Message, func(event fsnotify.Event) error {
if !event.Op.Has(fsnotify.Create) {
return nil
}
if err := ds.initMessageDbs(); err != nil {
log.Err(err).Msgf("Failed to reinitialize message DBs: %s", event.Name)
}
return nil
})
return ds, nil
}
func (ds *DataSource) initMessageDbs(path string) error {
// 查找所有消息数据库文件
files, err := util.FindFilesWithPatterns(path, MessageFilePattern, true)
if err != nil {
return errors.DBFileNotFound(path, MessageFilePattern, err)
func (ds *DataSource) SetCallback(name string, callback func(event fsnotify.Event) error) error {
if name == "chatroom" {
name = Contact
}
return ds.dbm.AddCallback(name, callback)
}
if len(files) == 0 {
return errors.DBFileNotFound(path, MessageFilePattern, nil)
func (ds *DataSource) initMessageDbs() error {
dbPaths, err := ds.dbm.GetDBPath(Message)
if err != nil {
return err
}
// 处理每个数据库文件
for _, filePath := range files {
// 连接数据库
db, err := sql.Open("sqlite3", filePath)
infos := make([]MessageDBInfo, 0)
for _, filePath := range dbPaths {
db, err := ds.dbm.OpenDB(filePath)
if err != nil {
log.Err(err).Msgf("连接数据库 %s 失败", filePath)
log.Err(err).Msgf("获取数据库 %s 失败", filePath)
continue
}
@@ -99,108 +132,38 @@ func (ds *DataSource) initMessageDbs(path string) error {
row := db.QueryRow("SELECT timestamp FROM Timestamp LIMIT 1")
if err := row.Scan(&timestamp); err != nil {
log.Err(err).Msgf("获取数据库 %s 的时间戳失败", filePath)
db.Close()
continue
}
startTime = time.Unix(timestamp, 0)
// 保存数据库信息
ds.messageFiles = append(ds.messageFiles, MessageDBInfo{
infos = append(infos, MessageDBInfo{
FilePath: filePath,
StartTime: startTime,
})
// 保存数据库连接
ds.messageDbs[filePath] = db
}
// 按照 StartTime 排序数据库文件
sort.Slice(ds.messageFiles, func(i, j int) bool {
return ds.messageFiles[i].StartTime.Before(ds.messageFiles[j].StartTime)
sort.Slice(infos, func(i, j int) bool {
return infos[i].StartTime.Before(infos[j].StartTime)
})
// 设置结束时间
for i := range ds.messageFiles {
if i == len(ds.messageFiles)-1 {
ds.messageFiles[i].EndTime = time.Now()
for i := range infos {
if i == len(infos)-1 {
infos[i].EndTime = time.Now()
} else {
ds.messageFiles[i].EndTime = ds.messageFiles[i+1].StartTime
infos[i].EndTime = infos[i+1].StartTime
}
}
return nil
}
func (ds *DataSource) initContactDb(path string) error {
files, err := util.FindFilesWithPatterns(path, ContactFilePattern, true)
if err != nil {
return errors.DBFileNotFound(path, ContactFilePattern, err)
}
if len(files) == 0 {
return errors.DBFileNotFound(path, ContactFilePattern, nil)
}
ds.contactDb, err = sql.Open("sqlite3", files[0])
if err != nil {
return errors.DBConnectFailed(files[0], err)
}
return nil
}
func (ds *DataSource) initSessionDb(path string) error {
files, err := util.FindFilesWithPatterns(path, SessionFilePattern, true)
if err != nil {
return errors.DBFileNotFound(path, SessionFilePattern, err)
}
if len(files) == 0 {
return errors.DBFileNotFound(path, SessionFilePattern, nil)
}
ds.sessionDb, err = sql.Open("sqlite3", files[0])
if err != nil {
return errors.DBConnectFailed(files[0], err)
}
return nil
}
func (ds *DataSource) initMediaDb(path string) error {
files, err := util.FindFilesWithPatterns(path, MediaFilePattern, true)
if err != nil {
return errors.DBFileNotFound(path, MediaFilePattern, err)
}
if len(files) == 0 {
return errors.DBFileNotFound(path, MediaFilePattern, nil)
}
ds.mediaDb, err = sql.Open("sqlite3", files[0])
if err != nil {
return errors.DBConnectFailed(files[0], err)
}
return nil
}
func (ds *DataSource) initVoiceDb(path string) error {
files, err := util.FindFilesWithPatterns(path, VoiceFilePattern, true)
if err != nil {
return errors.DBFileNotFound(path, VoiceFilePattern, err)
}
if len(files) == 0 {
return errors.DBFileNotFound(path, VoiceFilePattern, nil)
}
for _, file := range files {
db, err := sql.Open("sqlite3", file)
if err != nil {
return errors.DBConnectFailed(files[0], err)
}
ds.voiceDb = append(ds.voiceDb, db)
}
ds.messageInfos = infos
return nil
}
// getDBInfosForTimeRange 获取时间范围内的数据库信息
func (ds *DataSource) getDBInfosForTimeRange(startTime, endTime time.Time) []MessageDBInfo {
var dbs []MessageDBInfo
for _, info := range ds.messageFiles {
for _, info := range ds.messageInfos {
if info.StartTime.Before(endTime) && info.EndTime.After(startTime) {
dbs = append(dbs, info)
}
@@ -234,8 +197,8 @@ func (ds *DataSource) GetMessages(ctx context.Context, startTime, endTime time.T
return nil, err
}
db, ok := ds.messageDbs[dbInfo.FilePath]
if !ok {
db, err := ds.dbm.OpenDB(dbInfo.FilePath)
if err != nil {
log.Error().Msgf("数据库 %s 未打开", dbInfo.FilePath)
continue
}
@@ -275,8 +238,8 @@ func (ds *DataSource) GetMessages(ctx context.Context, startTime, endTime time.T
// getMessagesSingleFile 从单个数据库文件获取消息
func (ds *DataSource) getMessagesSingleFile(ctx context.Context, dbInfo MessageDBInfo, startTime, endTime time.Time, talker string, limit, offset int) ([]*model.Message, error) {
db, ok := ds.messageDbs[dbInfo.FilePath]
if !ok {
db, err := ds.dbm.OpenDB(dbInfo.FilePath)
if err != nil {
return nil, errors.DBConnectFailed(dbInfo.FilePath, nil)
}
@@ -287,7 +250,7 @@ func (ds *DataSource) getMessagesSingleFile(ctx context.Context, dbInfo MessageD
// 检查表是否存在
var exists bool
err := db.QueryRowContext(ctx,
err = db.QueryRowContext(ctx,
"SELECT 1 FROM sqlite_master WHERE type='table' AND name=?",
tableName).Scan(&exists)
@@ -445,7 +408,11 @@ func (ds *DataSource) GetContacts(ctx context.Context, key string, limit, offset
}
// 执行查询
rows, err := ds.contactDb.QueryContext(ctx, query, args...)
db, err := ds.dbm.GetDB(Contact)
if err != nil {
return nil, err
}
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
}
@@ -477,13 +444,18 @@ func (ds *DataSource) GetChatRooms(ctx context.Context, key string, limit, offse
var query string
var args []interface{}
// 执行查询
db, err := ds.dbm.GetDB(Contact)
if err != nil {
return nil, err
}
if key != "" {
// 按照关键字查询
query = `SELECT username, owner, ext_buffer FROM chat_room WHERE username = ?`
args = []interface{}{key}
// 执行查询
rows, err := ds.contactDb.QueryContext(ctx, query, args...)
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
}
@@ -510,7 +482,7 @@ func (ds *DataSource) GetChatRooms(ctx context.Context, key string, limit, offse
contacts, err := ds.GetContacts(ctx, key, 1, 0)
if err == nil && len(contacts) > 0 && strings.HasSuffix(contacts[0].UserName, "@chatroom") {
// 再次尝试通过用户名查找群聊
rows, err := ds.contactDb.QueryContext(ctx,
rows, err := db.QueryContext(ctx,
`SELECT username, owner, ext_buffer FROM chat_room WHERE username = ?`,
contacts[0].UserName)
@@ -560,7 +532,7 @@ func (ds *DataSource) GetChatRooms(ctx context.Context, key string, limit, offse
}
// 执行查询
rows, err := ds.contactDb.QueryContext(ctx, query, args...)
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
}
@@ -614,7 +586,11 @@ func (ds *DataSource) GetSessions(ctx context.Context, key string, limit, offset
}
// 执行查询
rows, err := ds.sessionDb.QueryContext(ctx, query, args...)
db, err := ds.dbm.GetDB(Session)
if err != nil {
return nil, err
}
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
}
@@ -678,7 +654,12 @@ func (ds *DataSource) GetMedia(ctx context.Context, _type string, key string) (*
query += " WHERE f.md5 = ? OR f.file_name LIKE ? || '%'"
args := []interface{}{key, key}
rows, err := ds.mediaDb.QueryContext(ctx, query, args...)
// 执行查询
db, err := ds.dbm.GetDB(Media)
if err != nil {
return nil, err
}
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
}
@@ -726,7 +707,12 @@ func (ds *DataSource) GetVoice(ctx context.Context, key string) (*model.Media, e
`
args := []interface{}{key}
for _, db := range ds.voiceDb {
dbs, err := ds.dbm.GetDBs(Voice)
if err != nil {
return nil, errors.DBConnectFailed("", err)
}
for _, db := range dbs {
rows, err := db.QueryContext(ctx, query, args...)
if err != nil {
return nil, errors.QueryFailed(query, err)
@@ -755,38 +741,5 @@ func (ds *DataSource) GetVoice(ctx context.Context, key string) (*model.Media, e
}
func (ds *DataSource) Close() error {
var errs []error
// 关闭消息数据库连接
for _, db := range ds.messageDbs {
if err := db.Close(); err != nil {
errs = append(errs, err)
}
}
// 关闭联系人数据库连接
if ds.contactDb != nil {
if err := ds.contactDb.Close(); err != nil {
errs = append(errs, err)
}
}
// 关闭会话数据库连接
if ds.sessionDb != nil {
if err := ds.sessionDb.Close(); err != nil {
errs = append(errs, err)
}
}
if ds.mediaDb != nil {
if err := ds.mediaDb.Close(); err != nil {
errs = append(errs, err)
}
}
if len(errs) > 0 {
return errors.DBCloseFailed(errs[0])
}
return nil
return ds.dbm.Close()
}