From dc1039fa1e4ca4fe55e9ab2123260aa1a2006503 Mon Sep 17 00:00:00 2001
From: Cara Salter <cara@devcara.com>
Date: Fri, 13 May 2022 10:50:42 -0400
Subject: filter: Fully flesh out deletion/review handler

WIP: Currently, deletions do not work. Error returned:
	User event listener encountered an error on InteractionCreate
	event: The bot is not author of this message.
---
 src/commands/filters.rs | 79 +++++++++++++++++++++++++++++++++++++++++++++----
 1 file changed, 74 insertions(+), 5 deletions(-)

(limited to 'src/commands/filters.rs')

diff --git a/src/commands/filters.rs b/src/commands/filters.rs
index 35fefac..5e8f900 100644
--- a/src/commands/filters.rs
+++ b/src/commands/filters.rs
@@ -1,5 +1,6 @@
-use crate::{Context, Error, models::{FilterAction, MessageFilter}};
+use crate::{Context, Error, models::{FilterAction, MessageFilter, ConfigChannel}};
 use poise::{serenity_prelude as serenity, AutocompleteChoice};
+use regex::Regex;
 
 use std::str::FromStr;
 
@@ -28,8 +29,8 @@ pub async fn list(ctx: Context<'_>) -> Result<(), Error> {
     if filters.len() == 0 {
         list = "No filters set, try adding one with `/filter add`!".to_string();
     } else {
-    for f in filters {
-        list.push_str(&format!("{}\n", f.to_string()));
+    for (i, f) in filters.iter().enumerate() {
+        list.push_str(&format!("**{}.** {}\n", (i + 1), f.to_string()));
     }
     }
 
@@ -49,7 +50,7 @@ pub async fn list(ctx: Context<'_>) -> Result<(), Error> {
 ///     filter add <pattern> <action>
 ///
 /// Where <action> is one of "review" or "delete"
-#[poise::command(slash_command, ephemeral, prefix_command)]
+#[poise::command(slash_command, ephemeral, prefix_command, check = "c_modify_filters")]
 pub async fn add(ctx: Context<'_>,
                  #[description = "The regular expression to match against"]
                  regex: String,
@@ -62,8 +63,9 @@ pub async fn add(ctx: Context<'_>,
 
     let action = FilterAction::from_str(&action)?;
 
+    let regex = Regex::new(&regex)?;
     sqlx::query("INSERT INTO message_filter (pattern, action, guild_id) VALUES ($1, $2, $3)")
-        .bind(regex)
+        .bind(regex.to_string())
         .bind(action as FilterAction)
         .bind(ctx.guild().unwrap().id.0.to_string())
         .execute(&pool)
@@ -74,9 +76,76 @@ pub async fn add(ctx: Context<'_>,
     Ok(())
 }
 
+/// Deletes a message filter
+///
+/// Usage:
+///     filter del <id>
+///
+/// You can get the filter ID from `filter list`
+#[poise::command(slash_command, ephemeral, prefix_command, check = "c_modify_filters")]
+pub async fn del(ctx: Context<'_>,
+                 #[description = "The ID to delete"]
+                 id: i32,
+                 ) -> Result<(), Error> {
+    let pool = ctx.data().pg.lock().unwrap().clone();
+
+    sqlx::query("DELETE FROM message_filter WHERE id=$1")
+        .bind(id)
+        .execute(&pool)
+        .await?;
+
+    ctx.say("Got it! I've removed that from my list.").await?;
+    Ok(())
+}
+
+/// Sets the review channel
+///
+/// Usage:
+///     filter channel <channel>
+#[poise::command(slash_command, ephemeral, prefix_command, check = "c_modify_filters")]
+pub async fn channel(ctx: Context<'_>,
+                    #[description = "The channel to send flagged messages"]
+                     channel_id: serenity::ChannelId,
+                     ) -> Result<(), Error> {
+    let pool = ctx.data().pg.lock().unwrap().clone();
+
+    if let Ok(m) = sqlx::query_as!(ConfigChannel, "SELECT * FROM channels WHERE guild_id=$1 AND purpose='review'", ctx.guild().unwrap().id.0.to_string()).fetch_one(&pool).await {
+           sqlx::query!("UPDATE channels SET channel_id=$1 WHERE id=$2", channel_id.0.to_string(), m.id).execute(&pool).await?; 
+        } else {
+            sqlx::query!("INSERT INTO channels (channel_id, purpose, guild_id) VALUES ($1, 'review', $2)", channel_id.0.to_string(), ctx.guild().unwrap().id.0.to_string())
+                .execute(&pool).await?;
+        }
+
+    ctx.say(format!("All set! I'll send flagged messages to <#{}> from now on", channel_id.0)).await?;
+    Ok(())
+}
+
 
 async fn ac_action(_ctx: Context<'_>, partial: String) -> impl Stream<Item = String> {
     futures::stream::iter(&["review", "delete"])
         .filter(move |name| futures::future::ready(name.starts_with(&partial)))
         .map(|name| name.to_string())
 }
+
+#[cfg(debug_assertions)]
+async fn c_modify_filters(ctx: Context<'_>) -> Result<bool, Error> {
+    if ctx.author().id.0 == 118455061222260736u64 {
+        Ok(true)
+    } else {
+        Ok(false)
+    }
+}
+#[cfg(not(debug_assertions))]
+async fn c_modify_filters(ctx: Context<'_>) -> Result<bool, Error> {
+    if let Some(guild) = ctx.guild() {
+        if guild.owner_id == ctx.author().id {
+            Ok(true)
+        } else {
+            let member = guild.member(ctx.discord(), ctx.author().id).await?;
+            let member_permissions = member.permissions(ctx.discord())?;
+            Ok(member_permissions.manage_messages())
+        }
+    } else {
+        Ok(false)
+    }
+}
-- 
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