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package telegram
import (
"github.com/pkg/errors"
"hash/maphash"
"path/filepath"
"strconv"
"sync"
"time"
"dev.narayana.im/narayana/telegabber/config"
"dev.narayana.im/narayana/telegabber/persistence"
"dev.narayana.im/narayana/telegabber/telegram/cache"
"github.com/zelenin/go-tdlib/client"
"gosrc.io/xmpp"
)
var logConstants = map[string]int32{
":fatal": 0,
":error": 1,
":warn": 2,
":info": 3,
":debug": 4,
":verbose": 5,
":all": 1023,
}
func stringToLogConstant(c string) int32 {
level, ok := logConstants[c]
if !ok {
level = 0
}
return level
}
// DelayedStatus describes an online status expiring on timeout
type DelayedStatus struct {
TimestampOnline int64
TimestampExpired int64
}
// Client stores the metadata for lazily invoked TDlib instance
type Client struct {
client *client.Client
authorizer *clientAuthorizer
parameters *client.TdlibParameters
options []client.Option
me *client.User
xmpp *xmpp.Component
jid string
Session *persistence.Session
resources map[string]bool
outbox map[string]string
content *config.TelegramContentConfig
cache *cache.Cache
online bool
DelayedStatuses map[int64]*DelayedStatus
DelayedStatusesLock sync.Mutex
lastMsgHashes map[int64]uint64
msgHashSeed maphash.Seed
locks clientLocks
SendMessageLock sync.Mutex
}
type clientLocks struct {
authorizationReady sync.Mutex
chatMessageLocks map[int64]*sync.Mutex
resourcesLock sync.Mutex
outboxLock sync.Mutex
lastMsgHashesLock sync.Mutex
}
// NewClient instantiates a Telegram App
func NewClient(conf config.TelegramConfig, jid string, component *xmpp.Component, session *persistence.Session) (*Client, error) {
var options []client.Option
options = append(options, client.WithLogVerbosity(&client.SetLogVerbosityLevelRequest{
NewVerbosityLevel: stringToLogConstant(conf.Loglevel),
}))
if conf.Tdlib.Client.CatchTimeout != 0 {
options = append(options, client.WithCatchTimeout(
time.Duration(conf.Tdlib.Client.CatchTimeout)*time.Second,
))
}
apiID, err := strconv.ParseInt(conf.Tdlib.Client.APIID, 10, 32)
if err != nil {
return &Client{}, errors.Wrap(err, "Wrong api_id")
}
datadir := conf.Tdlib.Datadir
if datadir == "" {
datadir = "./sessions/" // ye olde defaute
}
parameters := client.TdlibParameters{
UseTestDc: false,
DatabaseDirectory: filepath.Join(datadir, jid),
FilesDirectory: filepath.Join(datadir, jid, "/files/"),
UseFileDatabase: true,
UseChatInfoDatabase: conf.Tdlib.Client.UseChatInfoDatabase,
UseMessageDatabase: true,
UseSecretChats: conf.Tdlib.Client.UseSecretChats,
ApiId: int32(apiID),
ApiHash: conf.Tdlib.Client.APIHash,
SystemLanguageCode: "en",
DeviceModel: conf.Tdlib.Client.DeviceModel,
SystemVersion: "1.0.0",
ApplicationVersion: conf.Tdlib.Client.ApplicationVersion,
EnableStorageOptimizer: true,
IgnoreFileNames: false,
}
return &Client{
parameters: ¶meters,
xmpp: component,
jid: jid,
Session: session,
resources: make(map[string]bool),
outbox: make(map[string]string),
content: &conf.Content,
cache: cache.NewCache(),
options: options,
DelayedStatuses: make(map[int64]*DelayedStatus),
lastMsgHashes: make(map[int64]uint64),
msgHashSeed: maphash.MakeSeed(),
locks: clientLocks{
chatMessageLocks: make(map[int64]*sync.Mutex),
},
}, nil
}
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