Write proper user permission code.

src/routes/users/add_friend.rs

@@ -33,9 +33,7 @@ pub async fn req(user: User, username: String) -> Result<JsonValue> {
 
     match get_relationship(
         &user,
-        &Ref {
-            id: target_id.to_string(),
-        },
+        &target_id,
     ) {
         RelationshipStatus::User => return Err(Error::NoEffect),
         RelationshipStatus::Friend => return Err(Error::AlreadyFriends),

src/routes/users/block_user.rs

@@ -10,7 +10,7 @@ use rocket_contrib::json::JsonValue;
 pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
     let col = get_collection("users");
 
-    match get_relationship(&user, &target) {
+    match get_relationship(&user, &target.id) {
         RelationshipStatus::User | RelationshipStatus::Blocked => Err(Error::NoEffect),
         RelationshipStatus::BlockedOther => {
             col.update_one(

src/routes/users/fetch_relationship.rs

@@ -5,5 +5,5 @@ use rocket_contrib::json::JsonValue;
 
 #[get("/<target>/relationship")]
 pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
-    Ok(json!({ "status": get_relationship(&user, &target) }))
+    Ok(json!({ "status": get_relationship(&user, &target.id) }))
 }

src/routes/users/fetch_user.rs

@@ -9,7 +9,7 @@ pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
 
     if user.id != target.id {
         // Check whether we are allowed to fetch this user.
-        let perm = crate::database::permissions::temp_calc_perm(&user, &target).await;
+        let perm = permissions::user::calculate(&user, &target.id).await;
         if !perm.get_access() {
             Err(Error::LabelMe)?
         }

src/routes/users/remove_friend.rs

@@ -11,7 +11,7 @@ use rocket_contrib::json::JsonValue;
 pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
     let col = get_collection("users");
 
-    match get_relationship(&user, &target) {
+    match get_relationship(&user, &target.id) {
         RelationshipStatus::Friend
         | RelationshipStatus::Outgoing
         | RelationshipStatus::Incoming => {

src/routes/users/unblock_user.rs

@@ -11,9 +11,9 @@ use rocket_contrib::json::JsonValue;
 pub async fn req(user: User, target: Ref) -> Result<JsonValue> {
     let col = get_collection("users");
 
-    match get_relationship(&user, &target) {
+    match get_relationship(&user, &target.id) {
         RelationshipStatus::Blocked => {
-            match get_relationship(&target.fetch_user().await?, &user.as_ref()) {
+            match get_relationship(&target.fetch_user().await?, &user.id) {
                 RelationshipStatus::Blocked => {
                     col.update_one(
                         doc! {