Work out what synapse is doing

src/github.com/matrix-org/dendrite/clientapi/writers/createroom.go

@@ -2,6 +2,7 @@ package writers
 
 import (
 	"encoding/json"
+	"fmt"
 	"net/http"
 
 	log "github.com/Sirupsen/logrus"
@@ -22,6 +23,12 @@ type createRoomRequest struct {
 	RoomAliasName   string                 `json:"room_alias_name"`
 }
 
+// http://matrix.org/docs/spec/client_server/r0.2.0.html#post-matrix-client-r0-createroom
+type createRoomResponse struct {
+	RoomID    string `json:"room_id"`
+	RoomAlias string `json:"room_alias,omitempty"` // in synapse not spec
+}
+
 // CreateRoom implements /createRoom
 func CreateRoom(req *http.Request) util.JSONResponse {
 	logger := util.GetLogger(req.Context())
@@ -35,8 +42,44 @@ func CreateRoom(req *http.Request) util.JSONResponse {
 		return *resErr
 	}
 
+	// TODO: apply rate-limit
+	// TODO: parse room_alias_name
+	// TODO: parse invite list (all valid user ids)
+	// TODO: invite 3pid list (all valid 3pids)
+	// TODO: visibility
+
+	hostname := "localhost"
+	roomID := fmt.Sprintf("!%s:%s", util.RandomString(16), hostname)
+
 	logger.WithFields(log.Fields{
 		"userID": userID,
+		"roomID": roomID,
 	}).Info("Creating room")
+
+	// TODO: Check room ID doesn't clash with an existing one
+	// TODO: Create room alias association
+
+	// TODO: handle preset
+	// TODO: handle raw initial state
+	// TODO: handle creation content
+
+	// send events into the room in order of:
+	//  1- m.room.create
+	//  2- room creator join member
+	//  3- m.room.power_levels
+	//  4- m.room.canonical_alias (opt) TODO
+	//  5- m.room.join_rules
+	//  6- m.room.history_visibility
+	//  7- m.room.guest_access (opt) TODO
+	//  8- other initial state items TODO
+	//  9- m.room.name (opt)
+	//  10- m.room.topic (opt)
+	//  11- invite events (opt) - with is_direct flag if applicable TODO
+	//  12- 3pid invite events (opt) TODO
+	//  13- m.room.aliases event for HS (if alias specified) TODO
+	// This differs from Synapse slightly. Synapse would vary the ordering of 3-7
+	// depending on if those events were in "initial_state" or not. This made it
+	// harder to reason about, hence sticking to a strict static ordering.
+
 	return util.MessageResponse(404, "Not implemented yet")
 }