From 4e24e96dabc342b614cf8515fd205f394499be6c Mon Sep 17 00:00:00 2001
From: TheDanniCraft <mail@thedannicraft.de>
Date: Sun, 19 May 2024 21:14:13 +0200
Subject: [PATCH] [discord] thread/forum channel support (#4099)

---
 server/notification-providers/discord.js | 23 +++++++++---
 src/components/notifications/Discord.vue | 46 ++++++++++++++++++++++++
 src/lang/en.json                         |  9 +++++
 3 files changed, 74 insertions(+), 4 deletions(-)

diff --git a/server/notification-providers/discord.js b/server/notification-providers/discord.js
index f24d47252..129e334b0 100644
--- a/server/notification-providers/discord.js
+++ b/server/notification-providers/discord.js
@@ -13,6 +13,10 @@ class Discord extends NotificationProvider {
 
         try {
             const discordDisplayName = notification.discordUsername || "Uptime Kuma";
+            const webhookUrl = new URL(notification.discordWebhookUrl);
+            if (notification.discordChannelType === "postToThread") {
+                webhookUrl.searchParams.append("thread_id", notification.threadId);
+            }
 
             // If heartbeatJSON is null, assume we're testing.
             if (heartbeatJSON == null) {
@@ -20,7 +24,12 @@ class Discord extends NotificationProvider {
                     username: discordDisplayName,
                     content: msg,
                 };
-                await axios.post(notification.discordWebhookUrl, discordtestdata);
+
+                if (notification.discordChannelType === "createNewForumPost") {
+                    discordtestdata.thread_name = notification.postName;
+                }
+
+                await axios.post(webhookUrl.toString(), discordtestdata);
                 return okMsg;
             }
 
@@ -72,12 +81,14 @@ class Discord extends NotificationProvider {
                         ],
                     }],
                 };
-
+                if (notification.discordChannelType === "createNewForumPost") {
+                    discorddowndata.thread_name = notification.postName;
+                }
                 if (notification.discordPrefixMessage) {
                     discorddowndata.content = notification.discordPrefixMessage;
                 }
 
-                await axios.post(notification.discordWebhookUrl, discorddowndata);
+                await axios.post(webhookUrl.toString(), discorddowndata);
                 return okMsg;
 
             } else if (heartbeatJSON["status"] === UP) {
@@ -108,11 +119,15 @@ class Discord extends NotificationProvider {
                     }],
                 };
 
+                if (notification.discordChannelType === "createNewForumPost") {
+                    discordupdata.thread_name = notification.postName;
+                }
+
                 if (notification.discordPrefixMessage) {
                     discordupdata.content = notification.discordPrefixMessage;
                 }
 
-                await axios.post(notification.discordWebhookUrl, discordupdata);
+                await axios.post(webhookUrl.toString(), discordupdata);
                 return okMsg;
             }
         } catch (error) {
diff --git a/src/components/notifications/Discord.vue b/src/components/notifications/Discord.vue
index 99389d29e..5d8334f5f 100644
--- a/src/components/notifications/Discord.vue
+++ b/src/components/notifications/Discord.vue
@@ -16,4 +16,50 @@
         <label for="discord-prefix-message" class="form-label">{{ $t("Prefix Custom Message") }}</label>
         <input id="discord-prefix-message" v-model="$parent.notification.discordPrefixMessage" type="text" class="form-control" autocomplete="false" :placeholder="$t('Hello @everyone is...')">
     </div>
+
+    <div class="mb-3">
+        <label for="discord-message-type" class="form-label">{{ $t("Select message type") }}</label>
+        <select id="discord-message-type" v-model="$parent.notification.discordChannelType" class="form-select">
+            <option value="channel">{{ $t("Send to channel") }}</option>
+            <option value="createNewForumPost">{{ $t("Create new forum post") }}</option>
+            <option value="postToThread">{{ $t("postToExistingThread") }}</option>
+        </select>
+    </div>
+
+    <div v-if="$parent.notification.discordChannelType === 'createNewForumPost'">
+        <div class="mb-3">
+            <label for="discord-target" class="form-label">
+                {{ $t("forumPostName") }}
+            </label>
+            <input id="discord-target" v-model="$parent.notification.postName" type="text" class="form-control" autocomplete="false">
+            <div class="form-text">
+                {{ $t("whatHappensAtForumPost", { option: $t("postToExistingThread") }) }}
+            </div>
+        </div>
+    </div>
+    <div v-if="$parent.notification.discordChannelType === 'postToThread'">
+        <div class="mb-3">
+            <label for="discord-target" class="form-label">
+                {{ $t("threadForumPostID") }}
+            </label>
+            <input id="discord-target" v-model="$parent.notification.threadId" type="text" class="form-control" autocomplete="false" :placeholder="$t('e.g. {discordThreadID}', { discordThreadID: 1177566663751782411 })">
+            <div class="form-text">
+                <i18n-t keypath="wayToGetDiscordThreadId">
+                    <a
+                        href="https://support.discord.com/hc/en-us/articles/206346498-Where-can-I-find-my-User-Server-Message-ID-"
+                        target="_blank"
+                    >{{ $t("here") }}</a>
+                </i18n-t>
+            </div>
+        </div>
+    </div>
 </template>
+<script>
+export default {
+    mounted() {
+        if (!this.$parent.notification.discordChannelType) {
+            this.$parent.notification.discordChannelType = "channel";
+        }
+    }
+};
+</script>
diff --git a/src/lang/en.json b/src/lang/en.json
index d4a0997c2..2c6e7887a 100644
--- a/src/lang/en.json
+++ b/src/lang/en.json
@@ -527,6 +527,15 @@
     "Bot Display Name": "Bot Display Name",
     "Prefix Custom Message": "Prefix Custom Message",
     "Hello @everyone is...": "Hello {'@'}everyone is…",
+    "Select message type": "Select message type",
+    "Send to channel": "Send to channel",
+    "Create new forum post": "Create new forum post",
+    "postToExistingThread": "Post to existing thread / forum post",
+    "forumPostName": "Forum post name",
+    "threadForumPostID": "Thread / Forum post ID",
+    "e.g. {discordThreadID}": "e.g. {discordThreadID}",
+    "whatHappensAtForumPost": "Create a new forum post. This does NOT post messages in existing post. To post in existing post use \"{option}\"",
+    "wayToGetDiscordThreadId": "Getting a thread / forum post id is similar to getting a channel id. Read more about how to get ids {0}",
     "wayToGetTeamsURL": "You can learn how to create a webhook URL {0}.",
     "wayToGetZohoCliqURL": "You can learn how to create a webhook URL {0}.",
     "needSignalAPI": "You need to have a signal client with REST API.",