update/webhook handlers

package.json

@@ -1,6 +1,6 @@
 {
   "name": "dayzr-bot",
-  "version": "13.3.15",
+  "version": "13.3.16",
   "description": "A General Purpose Discord Bot for DayZ Nitrado Servers.",
   "main": "index.js",
   "nodemonConfig": {

util/WebhookHandler.js

@@ -0,0 +1,56 @@
+const { makeURLSearchParams } = require('@discordjs/rest');
+const { REST } = require('@discordjs/rest');
+const { Routes } = require('discord.js');
+
+const createWebhook = async (client, channel_id, name, avatar) => {
+  const rest = new REST({ version: '10' }).setToken(client.config.Token);
+  return await rest.post(Routes.channelWebhooks(channel_id), {
+    body: {
+      name: name,
+      avatar: avatar
+    }
+  });
+};
+
+module.exports = {
+  GetWebhook: async (client, webhookName, channel_id) => {
+    // Get all webhooks from configured channel
+    const rest = new REST({ version: '10' }).setToken(client.config.Token);
+    const webhooks = await rest.get(Routes.channelWebhooks(channel_id));
+
+    let webhook = null;
+    if (webhooks.length == 0) {
+      // If no webhook exists, create new webhook with given name for this channel
+      webhook = createWebhook(client, channel_id, webhookName, client.config.AvatarData);
+    } else {
+      // Check existing webhooks for one with given name
+      let exists = false;
+      for (let i = 0; i < webhooks.length; i++) {
+        if (webhooks[i].name == webhookName) {
+          webhook = webhooks[i];
+          exists = true;
+          break;
+        }
+      }
+
+      if (!exists) webhook = createWebhook(client, channel_id, webhookName, client.config.AvatarData);
+    }
+
+    return webhook;
+  },
+
+  WebhookSend: async (client, webhook, content) => {
+    const rest = new REST({ version: '10' }).setToken(client.config.Token);
+    return await rest.post(Routes.webhook(webhook.id, webhook.token), {
+      body: content,
+      query: makeURLSearchParams({ wait: true })
+    });
+  },
+
+  WebhookMessageEdit: async (client, webhook, message_id, content) => {
+    const rest = new REST({ version: '10' }).setToken(client.config.Token);
+    return rest.patch(Routes.webhookMessage(webhook.id, webhook.token, message_id), {
+      body: content
+    });
+  }
+}