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package integram
import (
"errors"
"fmt"
"reflect"
"runtime"
"strings"
"time"
log "github.com/sirupsen/logrus"
mgo "gopkg.in/mgo.v2"
"gopkg.in/mgo.v2/bson"
)
var (
mongoSession *mgo.Session // Session stores mongo session
mongo *mgo.DialInfo // MongoDB Connection info
)
type MgoChange struct {
mgo.Change
}
func ObjectIdHex(s string) bson.ObjectId {
return bson.ObjectIdHex(s)
}
func ensureIndexes() {
db := mongoSession.DB(mongo.Database)
db.C("messages").DropIndex("chatid", "botid", "msgid")
db.C("messages").EnsureIndex(mgo.Index{Key: []string{"botid", "eventid"}})
db.C("messages").EnsureIndex(mgo.Index{Key: []string{"chatid", "botid", "msgid", "inlinemsgid"}, Unique: true})
db.C("messages").EnsureIndex(mgo.Index{Key: []string{"chatid", "botid", "fromid"}})
db.C("messages").EnsureIndex(mgo.Index{Key: []string{"chatid", "botid", "eventid"}}) //todo: test eventID uniqueness
db.C("previews").EnsureIndex(mgo.Index{Key: []string{"hash"}, Unique: true, Sparse: true})
db.C("chats").EnsureIndex(mgo.Index{Key: []string{"hooks.token"}, Unique: true, Sparse: true})
db.C("chats").EnsureIndex(mgo.Index{Key: []string{"_id", "membersids"}, Unique: true})
db.C("users").EnsureIndex(mgo.Index{Key: []string{"hooks.token"}, Unique: true, Sparse: true})
db.C("users").DropIndex("protected")
db.C("users").EnsureIndex(mgo.Index{Key: []string{"username"}}) // should be unique but what if users swap usernames... hm
db.C("users").EnsureIndex(mgo.Index{Key: []string{"keyboardperchat.chatid", "_id"}, Unique: true, Sparse: true})
db.C("users_cache").EnsureIndex(mgo.Index{Key: []string{"expiresat"}, ExpireAfter: time.Second})
db.C("users_cache").EnsureIndex(mgo.Index{Key: []string{"key", "userid", "service"}, Unique: true})
db.C("services_cache").EnsureIndex(mgo.Index{Key: []string{"expiresat"}, ExpireAfter: time.Second})
db.C("services_cache").EnsureIndex(mgo.Index{Key: []string{"key", "service"}, Unique: true})
db.C("chats_cache").EnsureIndex(mgo.Index{Key: []string{"expiresat"}, ExpireAfter: time.Second})
db.C("chats_cache").EnsureIndex(mgo.Index{Key: []string{"key", "chatid", "service"}, Unique: true})
db.C("stats").EnsureIndex(mgo.Index{Key: []string{"s", "k", "d"}, Unique: true})
db.C("stats_unique").EnsureIndex(mgo.Index{Key: []string{"exp"}, ExpireAfter: time.Second})
db.C("stats_unique").EnsureIndex(mgo.Index{Key: []string{"s", "k", "d", "p"}, Unique: true})
db.C("stats_unique").EnsureIndex(mgo.Index{Key: []string{"s", "k", "d", "p", "u"}, Unique: true})
}
func dbConnect() {
var err error
mongo, err = mgo.ParseURL(Config.MongoURL)
if err != nil {
log.WithError(err).WithField("url", Config.MongoURL).Panic("Can't parse MongoDB URL")
panic(err.Error())
}
mongoSession, err = mgo.Dial(Config.MongoURL)
if err != nil {
log.WithError(err).WithField("url", Config.MongoURL).Panic("Can't connect to MongoDB")
panic(err.Error())
}
mongoSession.SetSafe(&mgo.Safe{})
log.Infof("MongoDB connected: %s", Config.MongoURL)
ensureIndexes()
}
func bindInterfaceToInterface(in interface{}, out interface{}, path ...string) error {
// TODO: need to workaround marshal-unmarshal trick
var m bson.M
var err error
var ok bool
var inner interface{}
if reflect.TypeOf(out).Kind() != reflect.Ptr {
err := errors.New("bindInterfaceToInterface: out interface must be a pointer")
panic(err)
}
if reflect.TypeOf(in).Kind() == reflect.Ptr {
inner = reflect.ValueOf(in).Elem().Interface()
} else {
inner = in
}
for _, pathel := range path {
m, ok = inner.(bson.M)
if !ok {
return fmt.Errorf("Can't assert bson.M on %v in %v", pathel, path)
}
inner, ok = m[pathel]
if !ok {
return fmt.Errorf("Can't get nested level %v in %v", pathel, path)
}
}
innerType := reflect.TypeOf(inner).Kind()
if innerType == reflect.Slice || innerType == reflect.Array || innerType == reflect.Map || innerType == reflect.Interface {
var j []byte
j, err = bson.Marshal(inner)
if err != nil {
log.Error(err)
return err
}
err = bson.Unmarshal(j, out)
if err != nil {
return err
}
} else {
reflect.ValueOf(out).Elem().Set(reflect.ValueOf(inner))
}
if err != nil {
log.WithField("path", path).WithError(err).Error("can't get nested struct. decode error")
return err
}
return nil
}
func findUsernameByID(db *mgo.Database, id int64) string {
d := struct{ Username string }{}
db.C("chats").FindId(id).Select(bson.M{"username": 1}).One(&d)
return d.Username
}
func (c *Context) FindChat(query interface{}) (chatData, error) {
chat := chatData{}
serviceID := c.getServiceID()
err := c.db.C("chats").Find(query).Select(bson.M{"type": 1, "firstname": 1, "lastname": 1, "username": 1, "title": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperbot": 1, "tz": 1, "deactivated": 1, "hooks": 1}).One(&chat)
if err != nil {
//c.Log().WithError(err).WithField("query", query).Error("Can't find chat")
return chat, err
}
chat.ctx = c
chat.Chat.data = &chat
return chat, nil
}
func (c *Context) FindChats(query interface{}) ([]chatData, error) {
chats := []chatData{}
serviceID := c.getServiceID()
err := c.db.C("chats").Find(query).Select(bson.M{"type": 1, "firstname": 1, "lastname": 1, "username": 1, "title": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperbot": 1, "tz": 1, "deactivated": 1, "hooks": 1}).All(&chats)
if err != nil {
//c.Log().WithError(err).WithField("query", query).Error("Can't find chat")
return chats, err
}
for i, _ := range chats {
chats[i].ctx = c
chats[i].Chat.data = &chats[i]
}
return chats, nil
}
func (c *Context) FindChatsLimit(query interface{}, limit int, sort ...string) ([]chatData, error) {
chats := []chatData{}
serviceID := c.getServiceID()
err := c.db.C("chats").Find(query).Limit(limit).Sort(sort...).Select(bson.M{"type": 1, "firstname": 1, "lastname": 1, "username": 1, "title": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperbot": 1, "tz": 1, "deactivated": 1, "hooks": 1}).All(&chats)
if err != nil {
//c.Log().WithError(err).WithField("query", query).Error("Can't find chat")
return chats, err
}
for i, _ := range chats {
chats[i].ctx = c
chats[i].Chat.data = &chats[i]
}
return chats, nil
}
func (c *Context) FindUser(query interface{}) (userData, error) {
user := userData{}
serviceID := c.getServiceID()
var err error
if serviceID != "" {
err = c.db.C("users").Find(query).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).One(&user) // TODO: IS it ok to lean on c.Chat.ID here?
} else {
err = c.db.C("users").Find(query).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings": 1, "protected": 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).One(&user) // TODO: IS it ok to lean on c.Chat.ID here?
}
user.ctx = c
if err != nil {
return user, err
}
return user, nil
}
func (c *Context) FindUsers(query interface{}) ([]userData, error) {
users := []userData{}
serviceID := c.getServiceID()
var err error
if serviceID != "" {
err = c.db.C("users").Find(query).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).All(&users) // TODO: IS it ok to lean on c.Chat.ID here?
} else {
err = c.db.C("users").Find(query).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings": 1, "protected": 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).All(&users) // TODO: IS it ok to lean on c.Chat.ID here?
}
if err != nil {
return users, err
}
for i, _ := range users {
users[i].ctx = c
}
return users, nil
}
func (c *Context) FindUsersLimit(query interface{}, limit int, sort ...string) ([]userData, error) {
users := []userData{}
serviceID := c.getServiceID()
var err error
if serviceID != "" {
err = c.db.C("users").Find(query).Limit(limit).Sort(sort...).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings." + serviceID: 1, "protected." + serviceID: 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).All(&users) // TODO: IS it ok to lean on c.Chat.ID here?
} else {
err = c.db.C("users").Find(query).Limit(limit).Sort(sort...).Select(bson.M{"firstname": 1, "lastname": 1, "username": 1, "settings": 1, "protected": 1, "keyboardperchat": bson.M{"$elemMatch": bson.M{"chatid": c.Chat.ID}}, "tz": 1, "hooks": 1}).All(&users) // TODO: IS it ok to lean on c.Chat.ID here?
}
if err != nil {
return users, err
}
for i, _ := range users {
users[i].ctx = c
}
return users, nil
}
func (c *Context) updateCacheVal(cacheType string, key string, update interface{}, res interface{}) (exists bool) {
KeyType := reflect.TypeOf("1")
var ElemType reflect.Type
ElemKind := reflect.ValueOf(res).Kind()
if ElemKind == reflect.Interface || ElemKind == reflect.Ptr {
ElemType = reflect.ValueOf(res).Elem().Type()
} else {
ElemType = reflect.ValueOf(res).Type()
}
serviceID := c.getServiceID()
mi := reflect.MakeMap(reflect.MapOf(KeyType, ElemType)).Interface()
var err error
//var info *mgo.ChangeInfo
if cacheType == "user" {
_, err = c.db.C("users_cache").Find(bson.M{"userid": c.User.ID, "service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).Limit(1).Apply(mgo.Change{Update: update, ReturnNew: true, Upsert: true}, mi)
} else if cacheType == "chat" {
_, err = c.db.C("chats_cache").Find(bson.M{"chatid": c.Chat.ID, "service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).Limit(1).Apply(mgo.Change{Update: update, ReturnNew: true, Upsert: true}, mi)
} else if cacheType == "service" {
_, err = c.db.C("services_cache").Find(bson.M{"service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).Limit(1).Apply(mgo.Change{Update: update, ReturnNew: true, Upsert: true}, mi)
} else {
panic("updateCacheVal, type " + cacheType + " not exists")
}
if err != nil {
log.WithField("service", serviceID).WithField("key", key).WithField("user", c.User.ID).WithField("chat", c.Chat.ID).Debugf(cacheType+" cache updating error: %v", err)
return false
}
if mi == nil {
return false
}
// Wow. Such reflection. Much deep.
if reflect.ValueOf(mi).MapIndex(reflect.ValueOf("val")).IsValid() {
val := reflect.ValueOf(reflect.ValueOf(mi).MapIndex(reflect.ValueOf("val")).Interface())
if val.IsValid() {
resVal := reflect.ValueOf(res)
if resVal.Kind() != reflect.Ptr {
log.Panic("You need to pass pointer to result interface, not an interface")
return false
}
if !resVal.Elem().IsValid() || !resVal.Elem().CanSet() {
log.WithField("key", key).Error(cacheType + " cache, can't set to res interface")
return false
}
resVal.Elem().Set(val)
return true
}
}
return false
}
func (c *Context) getCacheVal(cacheType string, key string, res interface{}) (exists bool) {
KeyType := reflect.TypeOf("1")
var ElemType reflect.Type
ElemKind := reflect.ValueOf(res).Kind()
if ElemKind == reflect.Interface || ElemKind == reflect.Ptr {
ElemType = reflect.ValueOf(res).Elem().Type()
} else {
ElemType = reflect.ValueOf(res).Type()
}
serviceID := c.getServiceID()
if serviceID == "" {
c.Log().Errorf("getCacheVal type %s, service not set", cacheType)
return false
}
mi := reflect.MakeMap(reflect.MapOf(KeyType, ElemType)).Interface()
var err error
if cacheType == "user" {
err = c.db.C("users_cache").Find(bson.M{"userid": c.User.ID, "service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).One(mi)
} else if cacheType == "chat" {
err = c.db.C("chats_cache").Find(bson.M{"chatid": c.Chat.ID, "service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).One(mi)
} else if cacheType == "service" {
err = c.db.C("services_cache").Find(bson.M{"service": serviceID, "key": strings.ToLower(key)}).Select(bson.M{"_id": 0, "val": 1}).One(mi)
} else {
c.Log().Panic("getCacheVal, type " + cacheType + " not exists")
return false
}
if err != nil {
return false
}
if mi == nil {
return false
}
if !reflect.ValueOf(mi).MapIndex(reflect.ValueOf("val")).IsValid() {
return false
}
// Wow. Such reflection. Much deep.
val := reflect.ValueOf(reflect.ValueOf(mi).MapIndex(reflect.ValueOf("val")).Interface())
if val.IsValid() {
resVal := reflect.ValueOf(res)
if resVal.Kind() != reflect.Ptr {
log.Panic("You need to pass pointer to result interface, not an interface")
return false
}
if !resVal.Elem().IsValid() || !resVal.Elem().CanSet() {
log.WithField("key", key).Error(cacheType + " cache, can't set to res interface")
return false
}
resVal.Elem().Set(val)
return true
}
return false
}
// Cache returns if User's cache for specific key exists and try to bind it to res
func (user *User) Cache(key string, res interface{}) (exists bool) {
return user.ctx.getCacheVal("user", key, res)
}
// Cache returns if Chat's cache for specific key exists and try to bind it to res
func (chat *Chat) Cache(key string, res interface{}) (exists bool) {
return chat.ctx.getCacheVal("chat", key, res)
}
// ServiceCache returns if Services's cache for specific key exists and try to bind it to res
func (c *Context) ServiceCache(key string, res interface{}) (exists bool) {
return c.getCacheVal("service", key, res)
}
func (user *User) Chat() Chat {
return Chat{ID: user.ID, Type: "private", UserName: user.UserName, FirstName: user.FirstName, LastName: user.LastName, ctx: user.ctx}
}
// IsPrivateStarted indicates if user started the private dialog with a bot (e.g. pressed the start button)
func (user *User) IsPrivateStarted() bool {
err := user.ctx.Db().C("messages").Find(bson.M{"chatid": user.ID, "botid": user.ctx.Bot().ID, "fromid": user.ID}).Select(bson.M{"_id": 1}).One(nil)
if err == nil {
return true
}
return false
}
// SetCache set the User's cache with specific key and TTL
func (user *User) SetCache(key string, val interface{}, ttl time.Duration) error {
expiresAt := time.Now().Add(ttl)
serviceID := user.ctx.getServiceID()
key = strings.ToLower(key)
if val == nil {
err := user.ctx.db.C("users_cache").Remove(bson.M{"userid": user.ID, "service": serviceID, "key": key})
return err
}
_, err := user.ctx.db.C("users_cache").Upsert(bson.M{"userid": user.ID, "service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
if err != nil {
// workaround for WiredTiger bug: https://jira.mongodb.org/browse/SERVER-14322
if mgo.IsDup(err) {
return user.ctx.db.C("users_cache").Update(bson.M{"userid": user.ID, "service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
}
log.WithError(err).WithField("key", key).Error("Can't set user cache value")
}
return err
}
// ClearAllCacheKeys removes all User's cache keys
func (user *User) ClearAllCacheKeys() error {
serviceID := user.ctx.getServiceID()
_, err := user.ctx.db.C("users_cache").RemoveAll(bson.M{"userid": user.ID, "service": serviceID})
return err
}
// UpdateCache updates the per User cache using MongoDB Update query
func (user *User) UpdateCache(key string, update interface{}, res interface{}) error {
exists := user.ctx.updateCacheVal("user", key, update, res)
if !exists {
log.WithField("key", key).Error("Can't update user cache value")
}
return nil
}
// SetCache set the Chats's cache with specific key and TTL
func (chat *Chat) SetCache(key string, val interface{}, ttl time.Duration) error {
expiresAt := time.Now().Add(ttl)
serviceID := chat.ctx.getServiceID()
key = strings.ToLower(key)
if val == nil {
err := chat.ctx.db.C("chats_cache").Remove(bson.M{"chatid": chat.ID, "service": serviceID, "key": key})
return err
}
_, err := chat.ctx.db.C("chats_cache").Upsert(bson.M{"chatid": chat.ID, "service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
if err != nil {
// workaround for WiredTiger bug: https://jira.mongodb.org/browse/SERVER-14322
if mgo.IsDup(err) {
return chat.ctx.db.C("chats_cache").Update(bson.M{"chatid": chat.ID, "service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
}
log.WithError(err).WithField("key", key).Error("Can't set user cache value")
}
return err
}
// ClearAllCacheKeys removes all Chat's cache keys
func (chat *Chat) ClearAllCacheKeys() error {
serviceID := chat.ctx.getServiceID()
_, err := chat.ctx.db.C("chats_cache").RemoveAll(bson.M{"chatid": chat.ID, "service": serviceID})
return err
}
// UpdateCache updates the per Chat cache using MongoDB Update query (see trello service as example)
func (chat *Chat) UpdateCache(key string, update interface{}, res interface{}) error {
exists := chat.ctx.updateCacheVal("chat", key, update, res)
if !exists {
log.WithField("key", key).Error("Can't update chat cache value")
}
return nil
}
// SetServiceCache set the Services's cache with specific key and TTL
func (c *Context) SetServiceCache(key string, val interface{}, ttl time.Duration) error {
expiresAt := time.Now().Add(ttl)
serviceID := c.getServiceID()
key = strings.ToLower(key)
if val == nil {
err := c.db.C("services_cache").Remove(bson.M{"service": serviceID, "key": key})
return err
}
_, err := c.db.C("services_cache").Upsert(bson.M{"service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
if err != nil {
// workaround for WiredTiger bug: https://jira.mongodb.org/browse/SERVER-14322
if mgo.IsDup(err) {
return c.db.C("services_cache").Update(bson.M{"service": serviceID, "key": key}, bson.M{"$set": bson.M{"val": val, "expiresat": expiresAt}})
}
log.WithError(err).WithField("key", key).Error("Can't set sevices cache value")
}
return err
}
// UpdateServiceCache updates the Services's cache using MongoDB Update query (see trello service as example)
func (c *Context) UpdateServiceCache(key string, update interface{}, res interface{}) error {
exists := c.updateCacheVal("service", key, update, res)
if !exists {
log.WithField("key", key).Error("Can't update sevices cache value")
}
return nil
}
func (user *User) updateData() error {
_, err := user.ctx.db.C("users").UpsertId(user.ID, bson.M{"$set": user, "$setOnInsert": bson.M{"createdat": time.Now()}})
user.data.User = *user
return err
}
func (chat *Chat) updateData() error {
_, err := chat.ctx.db.C("chats").UpsertId(chat.ID, bson.M{"$set": chat, "$setOnInsert": bson.M{"createdat": time.Now()}})
chat.data.Chat = *chat
return err
}
func (chat *Chat) getData() (*chatData, error) {
if chat.ID == 0 {
return nil, errors.New("chat is empty")
}
if chat.data != nil {
return chat.data, nil
}
cdata, _ := chat.ctx.FindChat(bson.M{"_id": chat.ID})
chat.data = &cdata
var err error
if cdata.Type == "" {
err = chat.updateData()
}
return chat.data, err
}
// OAuthValid checks if OAuthToken for service is set
func (chat *Chat) BotWasKickedOrStopped() bool {
ps, _ := chat.protectedSettings()
if ps == nil {
return false
}
if ps.BotStoppedOrKickedAt != nil {
return true
}
return false
}
func (user *User) getData() (*userData, error) {
if user.ID == 0 {
return nil, errors.New("user is empty")
}
if user.data != nil {
return user.data, nil
}
if user.ctx == nil {
panic("nil user context")
}
udata, err := user.ctx.FindUser(bson.M{"_id": user.ID})
user.data = &udata
user.Tz = user.data.Tz
if user.data.FirstName == "" {
err = user.updateData()
}
return user.data, err
}
func (c *Context) getServiceID() string {
s := c.Service()
if s == nil {
return c.ServiceName
}
if c.ServiceBaseURL.Host == "" {
return c.ServiceName
}
if s.DefaultBaseURL.Host == c.ServiceBaseURL.Host {
return c.ServiceName
}
return s.Name + "_" + escapeDot(c.ServiceBaseURL.Host)
}
func (user *User) protectedSettings() (*userProtected, error) {
data, err := user.getData()
if err != nil {
return nil, err
}
// fmt.Printf("user.getData: %+v\n%v", data, err)
serviceID := user.ctx.getServiceID()
if data.Protected == nil {
data.Protected = make(map[string]*userProtected)
} else if protected, ok := data.Protected[serviceID]; ok {
return protected, nil
}
data.Protected[serviceID] = &userProtected{}
// Not a error – just empty settings
return data.Protected[serviceID], err
}
func (chat *Chat) protectedSettings() (*chatProtected, error) {
data, err := chat.getData()
if err != nil {
return nil, err
}
// fmt.Printf("user.getData: %+v\n%v", data, err)
serviceID := chat.ctx.getServiceID()
if data.Protected == nil {
data.Protected = make(map[string]*chatProtected)
} else if protected, ok := data.Protected[serviceID]; ok {
return protected, nil
}
data.Protected[serviceID] = &chatProtected{}
// Not a error – just empty settings
return data.Protected[serviceID], err
}
// Settings bind User's settings for service to the interface
func (user *User) Settings(out interface{}) error {
data, err := user.getData()
if err != nil {
return err
}
serviceID := user.ctx.getServiceID()
if _, ok := data.Settings[serviceID]; ok {
// TODO: workaround that creepy bindInterfaceToInterface
err = bindInterfaceToInterface(data.Settings[serviceID], out)
return err
}
// Not a error – just empty settings
return nil
}
// Settings bind Chat's settings for service to the interface
func (chat *Chat) Settings(out interface{}) error {
data, err := chat.getData()
if err != nil {
return err
}
serviceID := chat.ctx.getServiceID()
if _, ok := data.Settings[serviceID]; ok {
// TODO: workaround that creepy bindInterfaceToInterface
err = bindInterfaceToInterface(data.Settings[serviceID], out)
return err
}
// Not a error – just empty settings
return nil
}
// Setting returns Chat's setting for service with specific key. NOTE! Only builtin types are supported (f.e. structs will become map)
func (chat *Chat) Setting(key string) (result interface{}, exists bool) {
var settings map[string]interface{}
err := chat.Settings(&settings)
if err != nil {
log.WithError(err).Error("Can't get UserSettings")
return nil, false
}
if _, ok := settings[key]; ok {
return settings[key], true
}
return nil, false
}
// Setting returns Chat's setting for service with specific key
func (user *User) Setting(key string) (result interface{}, exists bool) {
var settings map[string]interface{}
err := user.Settings(&settings)
if err != nil {
log.WithError(err).Error("Can't get ChatSettings")
return nil, false
}
if _, ok := settings[key]; ok {
return settings[key], true
}
return nil, false
}
// SaveSettings save Chat's setting for service
func (chat *Chat) SaveSettings(allSettings interface{}) error {
serviceID := chat.ctx.getServiceID()
_, err := chat.ctx.db.C("chats").UpsertId(chat.ID, bson.M{"$set": bson.M{"settings." + serviceID: allSettings}, "$setOnInsert": bson.M{"createdat": time.Now()}})
if chat.data == nil {
chat.data = &chatData{}
}
if chat.data.Settings == nil {
chat.data.Settings = make(map[string]interface{})
}
chat.data.Settings[serviceID] = allSettings
return err
}
// SaveSettings save User's setting for service
func (user *User) SaveSettings(allSettings interface{}) error {
serviceID := user.ctx.getServiceID()
_, err := user.ctx.db.C("users").UpsertId(user.ID, bson.M{"$set": bson.M{"settings." + serviceID: allSettings}, "$setOnInsert": bson.M{"createdat": time.Now()}})
if user.data == nil {
user.data = &userData{}
}
if user.data.Settings == nil {
user.data.Settings = make(map[string]interface{})
}
user.data.Settings[serviceID] = allSettings
return err
}
func (user *User) addHook(hook serviceHook) error {
_, err := user.ctx.db.C("users").UpsertId(user.ID, bson.M{"$push": bson.M{"hooks": hook}})
user.data.Hooks = append(user.data.Hooks, hook)
return err
}
func (chat *Chat) addHook(hook serviceHook) error {
_, err := chat.ctx.db.C("chats").UpsertId(chat.ID, bson.M{"$push": bson.M{"hooks": hook}})
chat.data.Hooks = append(chat.data.Hooks, hook)
return err
}
// ServiceHookToken returns User's hook token to use in webhook handling
func (user *User) ServiceHookToken() string {
data, _ := user.getData()
//TODO: test backward compatibility cases
for _, hook := range data.Hooks {
for _, service := range hook.Services {
if service == user.ctx.ServiceName {
return hook.Token
}
}
}
token := "u" + rndStr.Get(10)
user.addHook(serviceHook{
Token: token,
Services: []string{user.ctx.ServiceName},
})
return token
}
// ServiceHookToken returns Chats's hook token to use in webhook handling
func (chat *Chat) ServiceHookToken() string {
data, _ := chat.getData()
//TODO: test backward compatibility cases
for _, hook := range data.Hooks {
for _, service := range hook.Services {
if service == chat.ctx.ServiceName {
return hook.Token
}
}
}
token := "c" + rndStr.Get(10)
chat.addHook(serviceHook{
Token: token,
Services: []string{chat.ctx.ServiceName},
})
return token
}
// ServiceHookURL returns User's webhook URL for service to use in webhook handling
// Used in case when incoming webhooks despatching on the user behalf to chats
func (user *User) ServiceHookURL() string {
return Config.BaseURL + "/" + user.ctx.ServiceName + "/" + user.ServiceHookToken()
}
// ServiceHookURL returns Chats's webhook URL for service to use in webhook handling
// Used in case when user need to put webhook URL to receive notifications to chat
func (chat *Chat) ServiceHookURL() string {
return Config.BaseURL + "/" + chat.ctx.ServiceName + "/" + chat.ServiceHookToken()
}
// AddChatToHook adds the target chat to user's existing hook
func (user *User) AddChatToHook(chatID int64) error {
data, _ := user.getData()
token := user.ServiceHookToken()
for i, hook := range data.Hooks {
if hook.Token == token {
for _, service := range hook.Services {
if service == user.ctx.ServiceName {
for _, existingChatID := range hook.Chats {
if existingChatID == chatID {
return nil
}
}
data.Hooks[i].Chats = append(data.Hooks[i].Chats, chatID)
err := user.ctx.db.C("users").Update(bson.M{"_id": user.ID, "hooks.services": service}, bson.M{"$addToSet": bson.M{"hooks.$.chats": chatID}})
return err
}
}
}
}
err := errors.New("Can't add chat to serviceHook. Can't find a hook.")
user.ctx.Log().Error(err)
return err
}
func (user *User) saveProtectedSettings() error {
if user.ID == 0 {
return errors.New("saveProtectedSettings: user is empty")
}
if user.data.Protected == nil {
return errors.New("userData.protected is nil. I won't save it")
}
serviceID := user.ctx.getServiceID()
_, err := user.ctx.db.C("users").UpsertId(user.ID, bson.M{"$set": bson.M{"protected." + serviceID: user.data.Protected[serviceID]}, "$setOnInsert": bson.M{"createdat": time.Now()}})
return err
}
func (user *User) saveProtectedSetting(key string, value interface{}) error {
if user.ID == 0 {
return errors.New("saveProtectedSetting: user is empty")
}
if user.data == nil {
user.getData()
}
if user.data.Protected == nil {
user.data.Protected = make(map[string]*userProtected)
}
serviceID := user.ctx.getServiceID()
v := reflect.ValueOf(user.data.Protected[serviceID]).Elem().FieldByName(key)
if v.IsValid() {
s := reflect.ValueOf(value)
if s.Type() != v.Type() {
return errors.New("protected setting with key " + key + " has wrong Type")
}
if v.CanSet() {
v.Set(s)
}
} else {
return errors.New("protected setting with key " + key + " not exists")
}
_, err := user.ctx.db.C("users").UpsertId(user.ID, bson.M{"$set": bson.M{"protected." + serviceID + "." + strings.ToLower(key): value}})
return err
}
// SaveSetting sets Chat's setting for service with specific key
func (chat *Chat) SaveSetting(key string, value interface{}) error {
key = strings.ToLower(key)
serviceID := chat.ctx.getServiceID()
var cd chatData
_, err := chat.ctx.db.C("chats").FindId(chat.ID).Select(bson.M{"settings." + serviceID: 1}).
Apply(
mgo.Change{
Update: bson.M{
"$set": bson.M{"settings." + serviceID + "." + key: value},
"$setOnInsert": bson.M{"createdat": time.Now()},
},
Upsert: true,
ReturnNew: true,
},
&cd)
if err == nil && chat.data != nil && chat.data.Settings != nil && cd.Settings != nil && cd.Settings[serviceID] != nil {
chat.data.Settings[serviceID] = cd.Settings[serviceID]
}
return err
}
// SaveSetting sets User's setting for service with specific key
func (user *User) SaveSetting(key string, value interface{}) error {
if user.ID == 0 {
return errors.New("SaveSetting: user is empty")
}
key = strings.ToLower(key)
serviceID := user.ctx.getServiceID()
var ud userData
_, err := user.ctx.db.C("users").FindId(user.ID).Select(bson.M{"settings." + serviceID: 1}).
Apply(
mgo.Change{
Update: bson.M{
"$set": bson.M{"settings." + serviceID + "." + key: value},
"$setOnInsert": bson.M{"createdat": time.Now()},
},
Upsert: true,
ReturnNew: true,
},
&ud)
if err == nil && user.data != nil && user.data.Settings != nil && ud.Settings != nil && ud.Settings[serviceID] != nil {
user.data.Settings[serviceID] = ud.Settings[serviceID]
}
return err
}
func escapeDot(s string) string {
return strings.Replace(s, ".", "_", -1)
}
// SetAfterAuthAction sets the handlerFunc and it's args that will be triggered on success user Auth.
// F.e. you can use it to resume action interrupted because user didn't authed
// !!! Please note that you must ommit first arg *integram.Context, because it will be automatically prepended on auth success and will contains actual action context
func (user *User) SetAfterAuthAction(handlerFunc interface{}, args ...interface{}) error {
err := verifyTypeMatching(handlerFunc, args...)
if err != nil {
log.WithError(err).Error("Can't verify SetUserAfterAuthHandler args")
return err
}
bytes, err := encode(args)
if err != nil {
log.WithError(err).Error("Can't encode SetUserAfterAuthHandler args")
return err
}
ps, _ := user.protectedSettings()
ps.AfterAuthData = bytes
ps.AfterAuthHandler = runtime.FuncForPC(reflect.ValueOf(handlerFunc).Pointer()).Name()
user.saveProtectedSettings()
return nil
}
// WebPreview generate fake webpreview and store it in DB. Telegram will resolve it as we need
func (c *Context) WebPreview(title string, headline string, text string, serviceURL string, imageURL string) (WebPreviewURL string) {
token := rndStr.Get(10)
if title == "" {
title = c.Service().NameToPrint
c.Log().WithField("token", token).Warn("webPreview: title is empty")
}
if headline == "" {
c.Log().WithField("token", token).Warn("webPreview: headline is empty")
headline = "-"
}
wp := webPreview{
title,
headline,
text,