Wait for the websocket event when creating a guild (#1524)

* Wait for the websocket event when creating a guild

* using TOOK_TOO_LONG error

* resolve after timeout with an unavailable guild object

src/structures/ClientUser.js

@@ -298,11 +298,30 @@ class ClientUser extends User {
    */
   createGuild(name, { region, icon = null } = {}) {
     if (!icon || (typeof icon === 'string' && icon.startsWith('data:'))) {
-      return this.client.api.guilds.post({ data: { name, region, icon } })
+      return new Promise((resolve, reject) =>
-        .then(data => this.client.dataManager.newGuild(data));
+        this.client.api.guilds.post({ data: { name, region, icon } })
+          .then(data => {
+            if (this.client.guilds.has(data.id)) return resolve(this.client.guilds.get(data.id));
+
+            const handleGuild = guild => {
+              if (guild.id === data.id) {
+                this.client.removeListener(Constants.Events.GUILD_CREATE, handleGuild);
+                this.client.clearTimeout(timeout);
+                resolve(guild);
+              }
+            };
+            this.client.on(Constants.Events.GUILD_CREATE, handleGuild);
+
+            const timeout = this.client.setTimeout(() => {
+              this.client.removeListener(Constants.Events.GUILD_CREATE, handleGuild);
+              resolve(this.client.dataManager.newGuild(data));
+            }, 10000);
+            return undefined;
+          }, reject)
+      );
     } else {
       return this.client.resolver.resolveBuffer(icon)
-        .then(data => this.createGuild(name, region, this.client.resolver.resolveBase64(data) || null));
+        .then(data => this.createGuild(name, { region, icon: this.client.resolver.resolveBase64(data) || null }));
     }
   }
 

src/structures/Guild.js

@@ -68,8 +68,8 @@ class Guild {
        */
       this.id = data.id;
     } else {
-      this.available = true;
       this.setup(data);
+      if (!data.channels) this.available = false;
     }
   }