From 0395da0a5cc27124529733a9de1dc9a9a6ed2b9d Mon Sep 17 00:00:00 2001
From: kageru <kageru@encode.moe>
Date: Fri, 16 Oct 2020 18:05:39 +0200
Subject: [PATCH] implement democracy

---
 src/main.rs | 40 +++++++++++++++++++++++++++++++++++++---
 1 file changed, 37 insertions(+), 3 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index 868c3c3..e044e2b 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -12,11 +12,12 @@ lazy_static! {
     static ref SERVER_ID: GuildId = GuildId(std::env::args().nth(1).unwrap().parse().unwrap());
     static ref MEME_CHANNEL: ChannelId =
         ChannelId(std::env::args().nth(2).unwrap().parse().unwrap());
+    static ref DELET_THIS_ID: EmojiId = EmojiId(323238442869719040);
 }
 
 impl EventHandler for Handler {
     fn message(&self, ctx: Context, message: Message) {
-        if message.guild_id != Some(*SERVER_ID) {
+        if message.guild_id != Some(*SERVER_ID) || message.channel_id != *MEME_CHANNEL {
             return;
         }
         if is_meme(&message) {
@@ -31,6 +32,40 @@ impl EventHandler for Handler {
             react(&ctx, &message, 748564944819060856, "cringe");
         }
     }
+
+    fn reaction_add(&self, ctx: Context, added_reaction: Reaction) {
+        if is_delet_this(&added_reaction.emoji) {
+            let msg = added_reaction.message(&ctx).unwrap();
+            if msg.channel_id != *MEME_CHANNEL
+                && is_meme(&msg)
+                && msg
+                    .reactions
+                    .iter()
+                    .find(|r| is_delet_this(&r.reaction_type))
+                    .map(|r| r.count >= 5)
+                    .unwrap_or(false)
+            {
+                println!(
+                    "Deleting message {:?} with content {} and attachments {:?}",
+                    msg, msg.content, msg.attachments
+                );
+                if let Err(e) = msg.delete(&ctx) {
+                    println!("Could not delete, error was: {:?}", e);
+                }
+            }
+        }
+    }
+}
+
+fn is_delet_this(t: &ReactionType) -> bool {
+    match t {
+        ReactionType::Custom {
+            animated: _,
+            id,
+            name: _,
+        } => id == &*DELET_THIS_ID,
+        _ => false,
+    }
 }
 
 fn react(ctx: &Context, msg: &Message, emoji: u64, name: &str) {
@@ -45,8 +80,7 @@ fn react(ctx: &Context, msg: &Message, emoji: u64, name: &str) {
 }
 
 fn is_meme(msg: &Message) -> bool {
-    msg.channel_id == *MEME_CHANNEL
-        && (!msg.attachments.is_empty() || msg.content.to_lowercase().contains("http"))
+    !msg.attachments.is_empty() || msg.content.to_lowercase().contains("http")
 }
 
 fn is_cringe(s: &str) -> bool {