refactor: more oop with stores (#2216)

* refactor: more oop with stores

* forgot bulk delete

* Revert "forgot bulk delete"

This reverts commit 1b4fb999ee07b358ee6e1af9efb8981b84f83af1.

* appease linter

* missed some


shh

* fail

src/stores/GuildStore.js

@@ -1,4 +1,6 @@
 const DataStore = require('./DataStore');
+const DataResolver = require('../util/DataResolver');
+const { Events } = require('../util/Constants');
 const Guild = require('../structures/Guild');
 
 /**
@@ -35,6 +37,44 @@ class GuildStore extends DataStore {
    * @param {GuildResolvable} guild The guild resolvable to identify
    * @returns {?Snowflake}
    */
+
+  /**
+   * Creates a guild.
+   * <warn>This is only available when using a user account.</warn>
+   * @param {string} name The name of the guild
+   * @param {Object} [options] Options for the creating
+   * @param {string} [options.region] The region for the server, defaults to the closest one available
+   * @param {BufferResolvable|Base64Resolvable} [options.icon=null] The icon for the guild
+   * @returns {Promise<Guild>} The guild that was created
+   */
+  create(name, { region, icon = null } = {}) {
+    if (!icon || (typeof icon === 'string' && icon.startsWith('data:'))) {
+      return new Promise((resolve, reject) =>
+        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(Events.GUILD_CREATE, handleGuild);
+                this.client.clearTimeout(timeout);
+                resolve(guild);
+              }
+            };
+            this.client.on(Events.GUILD_CREATE, handleGuild);
+
+            const timeout = this.client.setTimeout(() => {
+              this.client.removeListener(Events.GUILD_CREATE, handleGuild);
+              resolve(this.client.guilds.add(data));
+            }, 10000);
+            return undefined;
+          }, reject)
+      );
+    }
+
+    return DataResolver.resolveImage(icon)
+      .then(data => this.create(name, { region, icon: data || null }));
+  }
 }
 
 module.exports = GuildStore;