Add ID wrapper types

cli/src/main.rs

@@ -45,7 +45,7 @@ fn main() {
         &auth_key,
     )) {
         for game in response.into_iter() {
-            println!("{} - {}", game.id, game.name);
+            println!("{} - {}", game.id.0, game.name);
         }
     } else {
         println!("No response");

cli/src/queries.rs

@@ -7,17 +7,21 @@ pub mod search_games;
 
 use schema::schema;
 
+// Types
+
 // HACK: Unfortunately, start.gg seems to use integers for its ID type, whereas
 // cynic always assumes that IDs are strings. To get around that, we define a
 // new scalar type that serializes to u64.
 #[derive(cynic::Scalar, Debug, Copy, Clone)]
 pub struct ID(pub u64);
 
-impl Display for ID {
-    fn fmt(&self, f: &mut Formatter<'_>) -> core::fmt::Result {
-        <u64 as Display>::fmt(&self.0, f)
-    }
-}
+// Wrapper types to differentiate between different types of IDs
+#[derive(Debug, Copy, Clone)]
+pub struct VideogameId(pub u64);
+#[derive(Debug, Copy, Clone)]
+pub struct PlayerId(pub u64);
+
+// Query machinery
 
 pub trait QueryUnwrap<Vars>: QueryBuilder<Vars> {
     type Unwrapped;

cli/src/queries/search_games.rs

@@ -1,4 +1,4 @@
-use super::{QueryUnwrap, ID};
+use super::{QueryUnwrap, VideogameId, ID};
 use cynic::GraphQlResponse;
 use schema::schema;
 
@@ -32,7 +32,7 @@ pub struct Videogame {
 // Unwrapping
 
 pub struct VideogameResponse {
-    pub id: ID,
+    pub id: VideogameId,
     pub name: String,
 }
 
@@ -51,7 +51,7 @@ impl QueryUnwrap<VideogameSearchVars> for VideogameSearch {
                 .map(|game| {
                     let game_ = game?;
                     Some(VideogameResponse {
-                        id: game_.id?,
+                        id: VideogameId(game_.id?.0),
                         name: game_.name?,
                     })
                 })