Add WIP webhook functionality

src/comment.rs

@@ -30,12 +30,19 @@ pub struct Comment {
     pub replies: Vec<Comment>,
 }
 
+pub fn get_gravatar(email: &Option<String>) -> String {
+    match email {
+        Some(email) => format!("{:x}", md5::compute(email.to_lowercase())),
+        None => String::from(""),
+    }
+}
+
 fn serialize_gravatar<S>(email: &Option<String>, s: S) -> Result<S::Ok, S::Error>
 where
     S: Serializer,
 {
     match email {
-        Some(email) => s.serialize_some(&format!("{:x}", md5::compute(email.to_lowercase()))),
+        Some(_) => s.serialize_some(&get_gravatar(email)),
         None => s.serialize_none(),
     }
 }

src/database.rs

@@ -17,6 +17,7 @@ pub struct DatabaseSettings {
     pub name_required: bool,
     pub email_required: bool,
     pub file: Option<String>,
+    pub webhook: Option<String>,
 }
 
 #[derive(From, Debug)]

src/main.rs

@@ -17,6 +17,7 @@ use std::fs::File;
 use std::sync::Mutex;
 use std::{collections::HashMap, sync::MutexGuard};
 use validator::Validate;
+use webhook::client::WebhookClient;
 
 struct AppState {
     databases: HashMap<String, Mutex<Database>>,
@@ -120,14 +121,39 @@ async fn _post_comment(
         }
         return Err(Error::InvalidUrl);
     }
-    match get_page_data(&url).await? {
+    let page_data = match get_page_data(&url).await? {
         Some(page_data) => {
             if page_data.content_id != comment.content_id {
                 return Err(Error::InvalidContentId);
             }
+            page_data
         }
         None => return Err(Error::InvalidUrl), // e.g. 404
     };
+    // TODO: Clean up webhook integration
+    {
+        let database = data.get_db(&origin)?;
+        if let Some(webhook) = &database.settings.webhook {
+            let client = WebhookClient::new(&webhook);
+            client.send(|message| {
+                let author = match &comment.author {
+                    Some(author) => &author,
+                    None => "Annonymous",
+                };
+                message
+                    .username(&author)
+                    .avatar_url(&format!(
+                        "https://www.gravatar.com/avatar/{}?d=mp",
+                        get_gravatar(&comment.email)
+                    ))
+                    .embed(|embed| embed
+                        .title(&format!("New comment on {}", page_data.content_id))
+                        .description(&comment.text)
+                    )
+                }
+            ).await.unwrap();
+        }
+    }
     web::block(move || {
         let database = data.get_db(&origin)?;
         if comment.author.is_none() && database.settings.name_required {
@@ -152,8 +178,8 @@ async fn _post_comment(
         }
         database.create_comment(&comment)?;
         Ok(())
-    })
-    .await?
+    }).await?.unwrap();
+    Ok(())
 }
 
 #[post("/")]