feat: Message pinning

crates/delta/src/routes/channels/message_pin.rs

@@ -0,0 +1,39 @@
+use revolt_database::{
+    util::{permissions::DatabasePermissionQuery, reference::Reference}, Database, PartialMessage, User
+};
+use revolt_permissions::{calculate_channel_permissions, ChannelPermission};
+use revolt_result::{create_error, Result};
+use rocket::State;
+use rocket_empty::EmptyResponse;
+
+/// # Pins a message
+///
+/// Pins a message by its id.
+#[openapi(tag = "Messaging")]
+#[post("/<target>/messages/<msg>/pin")]
+pub async fn message_pin(
+    db: &State<Database>,
+    user: User,
+    target: Reference,
+    msg: Reference,
+) -> Result<EmptyResponse> {
+    let channel = target.as_channel(db).await?;
+
+    let mut query = DatabasePermissionQuery::new(db, &user).channel(&channel);
+    calculate_channel_permissions(&mut query)
+        .await
+        .throw_if_lacking_channel_permission(ChannelPermission::ManageMessages)?;
+
+    let mut message = msg.as_message_in_channel(db, &channel.id()).await?;
+
+    if message.pinned.unwrap_or_default() {
+        return Err(create_error!(AlreadyPinned))
+    }
+
+    message.update(db, PartialMessage {
+        pinned: Some(true),
+        ..Default::default()
+    }).await?;
+
+    Ok(EmptyResponse)
+}

crates/delta/src/routes/channels/message_search.rs

@@ -30,6 +30,10 @@ pub async fn search(
         })
     })?;
 
+    if options.query.is_some() && options.pinned.is_some() {
+        return Err(create_error!(InvalidOperation))
+    }
+
     let channel = target.as_channel(db).await?;
 
     let mut query = DatabasePermissionQuery::new(db, &user).channel(&channel);
@@ -39,6 +43,7 @@ pub async fn search(
 
     let v0::DataMessageSearch {
         query,
+        pinned,
         limit,
         before,
         after,
@@ -51,7 +56,8 @@ pub async fn search(
         MessageQuery {
             filter: MessageFilter {
                 channel: Some(channel.id().to_string()),
-                query: Some(query),
+                query,
+                pinned,
                 ..Default::default()
             },
             time_period: MessageTimePeriod::Absolute {

crates/delta/src/routes/channels/message_unpin.rs

@@ -0,0 +1,39 @@
+use revolt_database::{
+    util::{permissions::DatabasePermissionQuery, reference::Reference}, Database, PartialMessage, User
+};
+use revolt_permissions::{calculate_channel_permissions, ChannelPermission};
+use revolt_result::{create_error, Result};
+use rocket::State;
+use rocket_empty::EmptyResponse;
+
+/// # Unpins a message
+///
+/// Unpins a message by its id.
+#[openapi(tag = "Messaging")]
+#[post("/<target>/messages/<msg>/unpin")]
+pub async fn message_unpin(
+    db: &State<Database>,
+    user: User,
+    target: Reference,
+    msg: Reference,
+) -> Result<EmptyResponse> {
+    let channel = target.as_channel(db).await?;
+
+    let mut query = DatabasePermissionQuery::new(db, &user).channel(&channel);
+    calculate_channel_permissions(&mut query)
+        .await
+        .throw_if_lacking_channel_permission(ChannelPermission::ManageMessages)?;
+
+    let mut message = msg.as_message_in_channel(db, &channel.id()).await?;
+
+    if !message.pinned.unwrap_or_default() {
+        return Err(create_error!(NotPinned))
+    }
+
+    message.update(db, PartialMessage {
+        pinned: Some(false),
+        ..Default::default()
+    }).await?;
+
+    Ok(EmptyResponse)
+}

crates/delta/src/routes/channels/mod.rs

@@ -15,10 +15,12 @@ mod message_clear_reactions;
 mod message_delete;
 mod message_edit;
 mod message_fetch;
+mod message_pin;
 mod message_query;
 mod message_react;
 mod message_search;
 mod message_send;
+mod message_unpin;
 mod message_unreact;
 mod permissions_set;
 mod permissions_set_default;
@@ -37,10 +39,12 @@ pub fn routes() -> (Vec<Route>, OpenApi) {
         message_send::message_send,
         message_query::query,
         message_search::search,
+        message_pin::message_pin,
         message_fetch::fetch,
         message_edit::edit,
         message_bulk_delete::bulk_delete_messages,
         message_delete::delete,
+        message_unpin::message_unpin,
         group_create::create_group,
         group_add_member::add_member,
         group_remove_member::remove_member,