+ Added Response::RestrictedInput to db-lib

Should make it more dsecriptive with really weird input and prevent even more confusing 500 responses to the client

+ db-lib::Channels::add now also potentially returns this new RestrictedInput variant

server-api/db/src/channels.rs

@@ -187,8 +187,10 @@ impl Channel {
                     Err(_) => Response::Empty
                 };
             }
-            // TODO: change this to return Result<> which should help with ambiguity
-            return Response::Other("Could not fetch new channel".into());
+            else {
+                return Response::RestrictedInput(
+                    "Could not add channel, make sure the name is unique and not longer than 256 bytes".into());
+            }
         }
         return Response::Other(no_conn!("db::channels::add"))
     }

server-api/db/src/lib.rs

@@ -25,8 +25,9 @@ pub enum Response<T> {
     Empty,
     // Generic success for things like update/delete's
     Success,
-    // Duplicate keys can sometimes fuck us over for inserts/update(why tf tho)
-    Duplicate,
+    // Mask 500's with probable user generated errors like duplicate keys being added
+    // or data that doesn't fit in column or something
+    RestrictedInput(String),
     // Not sure what this will be used for but maybe its useful at some point
     Other(String)
 }