Add support for setting group description from Matrix

ROADMAP.md

@@ -18,7 +18,7 @@
   * [ ] Room metadata changes
     * [x] Name
     * [ ] Avatar<sup>[1]</sup>
-    * [ ] Topic<sup>[1]</sup>
+    * [x] Topic
   * [ ] Initial room metadata
 * WhatsApp → Matrix
   * [x] Message content

go.mod

@@ -5,8 +5,7 @@ go 1.14
 require (
 	github.com/Rhymen/go-whatsapp v0.1.0
 	github.com/chai2010/webp v1.1.0
-	github.com/gorilla/mux v1.7.4
-	github.com/gorilla/websocket v1.4.2
+	github.com/gorilla/websocket v1.4.1
 	github.com/lib/pq v1.3.0
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible
 	github.com/pkg/errors v0.9.1
@@ -19,4 +18,4 @@ require (
 	maunium.net/go/mautrix-appservice v0.1.0-alpha.6
 )
 
-replace github.com/Rhymen/go-whatsapp => github.com/tulir/go-whatsapp v0.2.1
+replace github.com/Rhymen/go-whatsapp => github.com/tulir/go-whatsapp v0.2.2

go.sum

@@ -6,6 +6,7 @@ github.com/golang/protobuf v1.3.1 h1:YF8+flBXS5eO826T4nzqPrxfhQThhXl0YzfuUPu4SBg
 github.com/golang/protobuf v1.3.1/go.mod h1:6lQm79b+lXiMfvg/cZm0SGofjICqVBUtrP5yJMmIC1U=
 github.com/gorilla/mux v1.7.4 h1:VuZ8uybHlWmqV03+zRzdwKL4tUnIp1MAQtp1mIFE1bc=
 github.com/gorilla/mux v1.7.4/go.mod h1:DVbg23sWSpFRCP0SfiEN6jmj59UnW/n46BH5rLB71So=
+github.com/gorilla/websocket v1.4.1 h1:q7AeDBpnBk8AogcD4DSag/Ukw/KV+YhzLj2bP5HvKCM=
 github.com/gorilla/websocket v1.4.1/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
 github.com/gorilla/websocket v1.4.2 h1:+/TMaTYc4QFitKJxsQ7Yye35DkWvkdLcvGKqM+x0Ufc=
 github.com/gorilla/websocket v1.4.2/go.mod h1:YR8l580nyteQvAITg2hZ9XVh4b55+EU/adAjf1fMHhE=
@@ -31,6 +32,8 @@ github.com/tulir/go-whatsapp v0.2.0 h1:JWK/Xxrc1qsZsVz6gYVX5AtvzYmqaHNjt34Ipnrgz
 github.com/tulir/go-whatsapp v0.2.0/go.mod h1:gyw9zGup1/Y3ZQUueZaqz3iR/WX9a2Lth4aqEbXjkok=
 github.com/tulir/go-whatsapp v0.2.1 h1:Owoss2AbvZMgt3nxoFlsG+bqLHDnO+PhXNhhoCmb/3M=
 github.com/tulir/go-whatsapp v0.2.1/go.mod h1:gyw9zGup1/Y3ZQUueZaqz3iR/WX9a2Lth4aqEbXjkok=
+github.com/tulir/go-whatsapp v0.2.2 h1:uF2NQC6JSFUjA1Roj2KgFFzMHiSOrejk4Af/eLygr7I=
+github.com/tulir/go-whatsapp v0.2.2/go.mod h1:gyw9zGup1/Y3ZQUueZaqz3iR/WX9a2Lth4aqEbXjkok=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2 h1:VklqNMn3ovrHsnt90PveolxSbWFaJdECFbxSq0Mqo2M=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=

matrix.go

@@ -157,9 +157,9 @@ func (mx *MatrixHandler) HandleRoomMetadata(evt *mautrix.Event) {
 	switch evt.Type {
 	case mautrix.StateRoomName:
 		resp, err = user.Conn.UpdateGroupSubject(evt.Content.Name, portal.Key.JID)
-	case mautrix.StateRoomAvatar:
-		return
 	case mautrix.StateTopic:
+		resp, err = user.Conn.UpdateGroupDescription(portal.Key.JID, evt.Content.Topic)
+	case mautrix.StateRoomAvatar:
 		return
 	}
 	if err != nil {