From 434b6d19a5a47e0d3b4399d9937565723328643e Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Wed, 30 Jun 2021 00:27:49 -0600
Subject: juggle Id so FromSql works out

---
 tosin-macros/src/lib.rs | 27 +++++++++++++++++++++------
 1 file changed, 21 insertions(+), 6 deletions(-)

(limited to 'tosin-macros/src')

diff --git a/tosin-macros/src/lib.rs b/tosin-macros/src/lib.rs
index 15a0266..0da725e 100644
--- a/tosin-macros/src/lib.rs
+++ b/tosin-macros/src/lib.rs
@@ -77,8 +77,8 @@ fn to_field_spec(field: &syn::Field) -> FieldInfo<impl quote::ToTokens> {
     if field_type == &parse_type("Option<Id>") {
         FieldInfo {
             tosin_field: quote! { ::tosin::db::models::Field::IntField { name: stringify!(#field_name) } },
-            diesel_column: quote! { #field_name -> Integer },
-            diesel_type: quote! { ::tosin::db::sql_types::Integer },
+            diesel_column: quote! { #field_name -> BigInt },
+            diesel_type: quote! { ::tosin::db::sql_types::BigInt },
         }
     } else if field_type == &parse_type("Id") {
         // TODO foreign key constraint
@@ -132,7 +132,22 @@ fn impl_model(ast: &syn::DeriveInput) -> TokenStream {
     } else {
         panic!("not on a struct");
     };
-    let real_types: Vec<_> = ast_data.fields.iter().map(|field| &field.ty).collect();
+    let real_db_types: Vec<_> = ast_data
+        .fields
+        .iter()
+        .map(|field| {
+            if field
+                .ident
+                .as_ref()
+                .map_or(false, |name| name.to_string() == "id")
+                && field.ty == syn::parse_str("Option<Id>").unwrap()
+            {
+                syn::parse_str("Id").unwrap()
+            } else {
+                field.ty.clone()
+            }
+        })
+        .collect();
     let FieldsInfo {
         tosin_fields,
         diesel_columns,
@@ -147,11 +162,11 @@ fn impl_model(ast: &syn::DeriveInput) -> TokenStream {
         }
 
         impl<__DB: tosin::db::diesel_backend::Backend, __ST> tosin::db::Queryable<__ST, __DB> for #name
-        where (#(#real_types),*): tosin::db::Queryable<__ST, __DB> {
-            type Row = <(#(#real_types),*) as tosin::db::Queryable<__ST, __DB>>::Row;
+        where (#(#real_db_types),*): tosin::db::Queryable<__ST, __DB> {
+            type Row = <(#(#real_db_types),*) as tosin::db::Queryable<__ST, __DB>>::Row;
 
             fn build(row: Self::Row) -> Self {
-                let row: (#(#real_types),*) = tosin::db::Queryable::build(row);
+                let row: (#(#real_db_types),*) = tosin::db::Queryable::build(row);
                 todo!()
             }
         }
-- 
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