added delete faq command

src/commands/faq.rs

@@ -202,3 +202,37 @@ pub async fn edit(
 
     Ok(())
 }
+
+/// Delete FAQ
+#[poise::command(
+    prefix_command,
+    slash_command,
+    required_permissions = "MANAGE_MESSAGES"
+)]
+pub async fn delete(
+    ctx: Context<'_>,
+    #[description = "FAQ Title"]
+    #[autocomplete = "autocomplete_faq_titles"]
+    title: String,
+) -> Result<(), Error> {
+    let data = ctx.data();
+
+    let result = data
+        .execute_db({
+            let title = title.clone();
+            move |conn| conn.execute("DELETE FROM faqs WHERE title = ?1", [title])
+        })
+        .await?;
+
+    if result == 1 {
+        let embed = CreateEmbed::new().title(format!("Deleted FAQ: {}", &title));
+        ctx.send(CreateReply::default().embed(embed)).await?;
+    } else {
+        let embed = CreateEmbed::new()
+            .title(format!("Error deleting FAQ: {}", &title))
+            .description(format!("{} rows were affected", result));
+        ctx.send(CreateReply::default().embed(embed)).await?;
+    }
+
+    Ok(())
+}