feat: implement idempotency tokens

closes #108 and closes #106

src/database/entities/channel.rs

@@ -33,8 +33,6 @@ pub enum Channel {
     Group {
         #[serde(rename = "_id")]
         id: String,
-        #[serde(skip_serializing_if = "Option::is_none")]
-        nonce: Option<String>,
 
         name: String,
         owner: String,
@@ -57,8 +55,6 @@ pub enum Channel {
         #[serde(rename = "_id")]
         id: String,
         server: String,
-        #[serde(skip_serializing_if = "Option::is_none")]
-        nonce: Option<String>,
 
         name: String,
         #[serde(skip_serializing_if = "Option::is_none")]
@@ -81,8 +77,6 @@ pub enum Channel {
         #[serde(rename = "_id")]
         id: String,
         server: String,
-        #[serde(skip_serializing_if = "Option::is_none")]
-        nonce: Option<String>,
 
         name: String,
         #[serde(skip_serializing_if = "Option::is_none")]

src/database/entities/message.rs

@@ -181,6 +181,20 @@ impl Message {
     }
 
     pub async fn publish(self, channel: &Channel, process_embeds: bool) -> Result<()> {
+        // construct message and publish
+        // commit message to database
+
+        // spawn task_queue ( update last_message_id )
+        // spawn task_queue ( process embeds )
+
+        // if mentions {
+        //  spawn task_queue ( update channel_unreads )
+        // }
+
+        // if (channel => DM | Group) | mentions {
+        //  spawn task_queue ( web push )
+        // }
+
         get_collection("messages")
             .insert_one(to_bson(&self).unwrap().as_document().unwrap().clone(), None)
             .await

src/database/entities/server.rs

@@ -85,8 +85,6 @@ pub enum RemoveMember {
 pub struct Server {
     #[serde(rename = "_id")]
     pub id: String,
-    #[serde(skip_serializing_if = "Option::is_none")]
-    pub nonce: Option<String>,
     pub owner: String,
 
     pub name: String,

src/database/migrations/scripts.rs

@@ -342,6 +342,36 @@ pub async fn run_migrations(revision: i32) -> i32 {
         }
     }
 
+    if revision <= 10 {
+        info!("Running migration [revision 10 / 2021-11-01]: Remove nonce values on channels and servers.");
+
+        get_collection("servers")
+            .update_many(
+                doc! {},
+                doc! {
+                    "$unset": {
+                        "nonce": 1,
+                    }
+                },
+                None
+            )
+            .await
+            .unwrap();
+
+        get_collection("channels")
+            .update_many(
+                doc! {},
+                doc! {
+                    "$unset": {
+                        "nonce": 1,
+                    }
+                },
+                None
+            )
+            .await
+            .unwrap();
+    }
+
     // Need to migrate fields on attachments, change `user_id`, `object_id`, etc to `parent`.
 
     // Reminder to update LATEST_REVISION when adding new migrations.