From 204515e9538c2da4d0bb2cea6254cb4e64ce03d2 Mon Sep 17 00:00:00 2001
From: Jani Haiko <haiko.jani@gmail.com>
Date: Mon, 9 Sep 2024 19:18:29 +0300
Subject: [PATCH] Clear truncate timeout if the message is deleted

---
 resources/manifest.yml |  9 +++++++--
 src/BotEvents.ts       | 16 ++++++++++++++--
 2 files changed, 21 insertions(+), 4 deletions(-)

diff --git a/resources/manifest.yml b/resources/manifest.yml
index bc1f0c0..b99a063 100644
--- a/resources/manifest.yml
+++ b/resources/manifest.yml
@@ -30,17 +30,22 @@ features:
 oauth_config:
   scopes:
     bot:
-      - channels:join
-      - channels:manage
       - chat:write
       - chat:write.public
       - commands
+      - metadata.message:read
       - reactions:write
+      - channels:join
+      - channels:manage
 settings:
   event_subscriptions:
     request_url: https://lounasbotti-disec.fly.dev/slack/events
     bot_events:
       - app_home_opened
+      - message_metadata_deleted
+    metadata_subscriptions:
+      - app_id: A02EYG04A83
+        event_type: lounasbotti_message
   interactivity:
     is_enabled: true
     request_url: https://lounasbotti-disec.fly.dev/slack/events
diff --git a/src/BotEvents.ts b/src/BotEvents.ts
index d663c1f..a948aff 100644
--- a/src/BotEvents.ts
+++ b/src/BotEvents.ts
@@ -79,6 +79,16 @@ const initEvents = (app: bolt.App, settings: Settings): void => {
 		});
 	});
 
+	// No need to try truncating if the message is already deleted
+	app.event("message_metadata_deleted", async args => {
+		const tt = truncateTimeouts.find(tt => tt.ts === args.payload.message_ts);
+		if (tt) {
+			console.debug(`Message ${args.payload.message_ts} removed? Clearing timeout...`);
+			clearTimeout(tt.timeout);
+			truncateTimeouts.splice(truncateTimeouts.indexOf(tt), 1);
+		}
+	});
+
 	// Fetch additional
 	if (settings.additionalRestaurants?.length) {
 		app.action({type: "block_actions", action_id: RegExp(`fetchAdditionalRestaurant-(?:${settings.additionalRestaurants.join("|")})`)}, async args => {
@@ -255,7 +265,8 @@ const initEvents = (app: bolt.App, settings: Settings): void => {
 					blocks: cachedData.blocks,
 					text: "Lounaslistat",
 					unfurl_links: false,
-					unfurl_media: false
+					unfurl_media: false,
+					metadata: { event_type: "lounasbotti_message", event_payload: {} }
 				});
 
 				handleMainTriggerResponse(response, app, settings, channel, cachedData.data, isTomorrowRequest);
@@ -266,7 +277,8 @@ const initEvents = (app: bolt.App, settings: Settings): void => {
 				blocks: cachedData.blocks,
 				text: "Lounaslistat",
 				unfurl_links: false,
-				unfurl_media: false
+				unfurl_media: false,
+				metadata: { event_type: "lounasbotti_message", event_payload: {} }
 			});
 
 			handleMainTriggerResponse(response, app, settings, response.channel ?? args.payload.channel, cachedData.data, isTomorrowRequest);