Servers: Add invites. Create, view and join.

src/routes/channels/group_add_member.rs

@@ -15,7 +15,8 @@ pub async fn req(user: User, target: Ref, member: Ref) -> Result<()> {
         .with_channel(&channel)
         .for_channel()
         .await?;
-    if !perm.get_view() {
+
+    if !perm.get_invite_others() {
         Err(Error::MissingPermission)?
     }
 

src/routes/channels/invite_channel.rs

@@ -0,0 +1,46 @@
+use crate::database::*;
+use crate::util::result::{Error, Result};
+
+use mongodb::bson::doc;
+use nanoid::nanoid;
+use rocket_contrib::json::JsonValue;
+
+lazy_static! {
+    static ref ALPHABET: [char; 54] = [
+        '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H',
+        'J', 'K', 'M', 'N', 'P', 'Q', 'R', 'S', 'T', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd',
+        'e', 'f', 'g', 'h', 'j', 'k', 'm', 'n', 'p', 'q', 'r', 's', 't', 'v', 'w', 'x', 'y', 'z'
+    ];
+}
+
+#[post("/<target>/invite")]
+pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
+    let target = target.fetch_channel().await?;
+    let perm = permissions::PermissionCalculator::new(&user)
+        .with_channel(&target)
+        .for_channel()
+        .await?;
+
+    if !perm.get_invite_others() {
+        return Err(Error::MissingPermission);
+    }
+
+    let code = nanoid!(8, &*ALPHABET);
+    match &target {
+        Channel::Group { .. } => {
+            unimplemented!()
+        }
+        Channel::TextChannel { id, .. } => {
+            Invite::Server {
+                code: code.clone(),
+                creator: user.id,
+                channel: id.clone(),
+            }
+            .save()
+            .await?;
+
+            Ok(json!({ "code": code }))
+        }
+        _ => Err(Error::InvalidOperation),
+    }
+}

src/routes/channels/join_call.rs

@@ -18,8 +18,9 @@ pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
 
     let target = target.fetch_channel().await?;
     match target {
-        Channel::SavedMessages { .. }
-        | Channel::TextChannel { .. } => return Err(Error::CannotJoinCall),
+        Channel::SavedMessages { .. } | Channel::TextChannel { .. } => {
+            return Err(Error::CannotJoinCall)
+        }
         _ => {}
     }
 

src/routes/channels/mod.rs

@@ -7,6 +7,7 @@ mod fetch_members;
 mod group_add_member;
 mod group_create;
 mod group_remove_member;
+mod invite_channel;
 mod join_call;
 mod message_delete;
 mod message_edit;
@@ -21,6 +22,7 @@ pub fn routes() -> Vec<Route> {
         fetch_members::req,
         delete_channel::req,
         edit_channel::req,
+        invite_channel::req,
         message_send::req,
         message_query::req,
         message_query_stale::req,