fix: added type rename support for enum, union and interface.

src/core/config/transformer/improve_type_names.rs

@@ -2,6 +2,7 @@ use std::collections::{BTreeMap, HashSet};
 
 use convert_case::{Case, Casing};
 
+use super::RenameTypes;
 use crate::core::config::Config;
 use crate::core::transform::Transform;
 use crate::core::valid::Valid;
@@ -113,42 +114,12 @@ impl<'a> CandidateGeneration<'a> {
 #[derive(Default)]
 pub struct ImproveTypeNames;
 
-impl ImproveTypeNames {
-    /// Generates type names based on inferred candidates from the provided
-    /// configuration.
-    fn generate_type_names(&self, mut config: Config) -> Config {
-        let finalized_candidates = CandidateGeneration::new(&config).generate().converge();
-
-        for (old_type_name, new_type_name) in finalized_candidates {
-            if let Some(type_) = config.types.remove(old_type_name.as_str()) {
-                // Add newly generated type.
-                config.types.insert(new_type_name.to_owned(), type_);
-
-                // Replace all the instances of old name in config.
-                for actual_type in config.types.values_mut() {
-                    for actual_field in actual_type.fields.values_mut() {
-                        if actual_field.type_of.name() == &old_type_name {
-                            // Update the field's type with the new name
-                            actual_field.type_of = actual_field
-                                .type_of
-                                .clone()
-                                .with_name(new_type_name.to_owned());
-                        }
-                    }
-                }
-            }
-        }
-        config
-    }
-}
-
 impl Transform for ImproveTypeNames {
     type Value = Config;
     type Error = String;
     fn transform(&self, config: Config) -> Valid<Self::Value, Self::Error> {
-        let config = self.generate_type_names(config);
-
-        Valid::succeed(config)
+        let finalized_candidates = CandidateGeneration::new(&config).generate().converge();
+        RenameTypes::new(finalized_candidates.iter()).transform(config)
     }
 }
 

src/core/config/transformer/rename_types.rs

@@ -1,3 +1,5 @@
+use std::collections::HashSet;
+
 use indexmap::IndexMap;
 
 use crate::core::config::Config;
@@ -28,12 +30,11 @@
 
         // Ensure all types exist in the configuration
         Valid::from_iter(self.0.iter(), |(existing_name, suggested_name)| {
-            if !config.types.contains_key(existing_name) {
-                Valid::fail(format!(
-                    "Type '{}' not found in configuration.",
-                    existing_name
-                ))
-            } else {
+            if config.types.contains_key(existing_name)
+                || config.enums.contains_key(existing_name)
+                || config.unions.contains_key(existing_name)
+            {
+                // handle for the types.
                 if let Some(type_info) = config.types.remove(existing_name) {
                     config.types.insert(suggested_name.to_string(), type_info);
                     lookup.insert(existing_name.clone(), suggested_name.clone());
@@ -46,7 +47,24 @@
                     }
                 }
 
+                // handle for the enums.
+                if let Some(type_info) = config.enums.remove(existing_name) {
+                    config.enums.insert(suggested_name.to_string(), type_info);
+                    lookup.insert(existing_name.clone(), suggested_name.clone());
+                }
+
+                // handle for the union.
+                if let Some(type_info) = config.unions.remove(existing_name) {
+                    config.unions.insert(suggested_name.to_string(), type_info);
+                    lookup.insert(existing_name.clone(), suggested_name.clone());
+                }
+
                 Valid::succeed(())
+            } else {
+                Valid::fail(format!(
+                    "Type '{}' not found in configuration.",
+                    existing_name
+                ))
             }
         })
         .map(|_| {
@@ -65,6 +83,54 @@
                         }
                     }
                 }
+
+                // replace in interface.
+                type_.implements = type_
+                    .implements
+                    .iter()
+                    .map(|interface_type_name| {
+                        lookup
+                            .get(interface_type_name)
+                            .cloned()
+                            .unwrap_or_else(|| interface_type_name.to_owned())
+                    })
+                    .collect();
+            }
+
+            // replace in the union as well.
+            for union_type_ in config.unions.values_mut() {
+                // Collect changes to be made
+                let mut types_to_remove = HashSet::new();
+                let mut types_to_add = HashSet::new();
+
+                for type_name in union_type_.types.iter() {
+                    if let Some(new_type_name) = lookup.get(type_name) {
+                        types_to_remove.insert(type_name.clone());
+                        types_to_add.insert(new_type_name.clone());
+                    }
+                }
+                // Apply changes
+                for type_name in types_to_remove {
+                    union_type_.types.remove(&type_name);
+                }
+
+                for type_name in types_to_add {
+                    union_type_.types.insert(type_name);
+                }
+            }
+
+            // replace in union as well.
+            for union_type_ in config.unions.values_mut() {
+                union_type_.types = union_type_
+                    .types
+                    .iter()
+                    .map(|type_name| {
+                        lookup
+                            .get(type_name)
+                            .cloned()
+                            .unwrap_or_else(|| type_name.to_owned())
+                    })
+                    .collect();
             }
 
             config
@@ -92,14 +158,20 @@
                 id: ID!
                 name: String
             }
+            type B {
+                name: String
+                username: String
+            }
+            union FooBar = A | B
             type Post {
                 id: ID!
                 title: String
                 body: String
             }
-            type B {
-                name: String
-                username: String
+            enum Status {
+                PENDING
+                STARTED,
+                COMPLETED
             }
             type Query {
                 posts: [Post] @http(path: "/posts")
@@ -116,6 +188,7 @@
                 "A" => "User",
                 "B" => "InputUser",
                 "Mutation" => "UserMutation",
+                "Status" => "TaskStatus"
             }
             .iter(),
         )
@@ -184,4 +257,30 @@
         let expected = Err(b_err.combine(c_err));
         assert_eq!(actual, expected);
     }
+
+    #[test]
+    fn test_inferface_rename() {
+        let sdl = r#"
+            schema {
+                query: Query
+            }
+            interface Node {
+                id: ID
+            }
+            type Post implements Node {
+                id: ID
+                title: String
+            }
+            type Query {
+                posts: [Post] @http(path: "/posts")
+            }
+        "#;
+        let config = Config::from_sdl(sdl).to_result().unwrap();
+
+        let result = RenameTypes::new(hashmap! {"Node" =>  "NodeTest"}.iter())
+            .transform(config)
+            .to_result()
+            .unwrap();
+        insta::assert_snapshot!(result.to_sdl())
+    }
 }

src/core/config/transformer/snapshots/tailcall__core__config__transformer__rename_types__test__inferface_rename.snap

@@ -0,0 +1,20 @@
+---
+source: src/core/config/transformer/rename_types.rs
+expression: result.to_sdl()
+---
+schema @server @upstream {
+  query: Query
+}
+
+interface NodeTest {
+  id: ID
+}
+
+type Post implements NodeTest {
+  id: ID
+  title: String
+}
+
+type Query {
+  posts: [Post] @http(path: "/posts")
+}

src/core/config/transformer/snapshots/tailcall__core__config__transformer__rename_types__test__rename_type.snap

@@ -11,6 +11,14 @@ input InputUser {
   username: String
 }
 
+union FooBar = InputUser | User
+
+enum TaskStatus {
+  COMPLETED
+  PENDING
+  STARTED
+}
+
 type Post {
   body: String
   id: ID!

src/core/generator/snapshots/tailcall__core__generator__generator__test__should_generate_combined_config.snap

@@ -18,11 +18,11 @@ input news__NewsInput {
   body: String
   id: Int
   postImage: String
-  status: news__Status
+  status: Status
   title: String
 }
 
-enum news__Status {
+enum Status {
   DELETED
   DRAFT
   PUBLISHED
@@ -52,7 +52,7 @@ type News {
   body: String
   id: Int
   postImage: String
-  status: news__Status
+  status: Status
   title: String
 }
 
@@ -80,11 +80,11 @@ type Post {
 type Query {
   inCompatibleProperties: InCompatibleProperty @http(path: "/")
   news__NewsService__AddNews(news: news__NewsInput!): News @grpc(body: "{{.args.news}}", method: "news.NewsService.AddNews")
-  news__NewsService__DeleteNews(newsId: news__NewsId!): Empty @grpc(body: "{{.args.newsId}}", method: "news.NewsService.DeleteNews")
+  news__NewsService__DeleteNews(newsId: Id!): Empty @grpc(body: "{{.args.newsId}}", method: "news.NewsService.DeleteNews")
   news__NewsService__EditNews(news: news__NewsInput!): News @grpc(body: "{{.args.news}}", method: "news.NewsService.EditNews")
   news__NewsService__GetAllNews: NewsNewsServiceGetMultipleNew @grpc(method: "news.NewsService.GetAllNews")
   news__NewsService__GetMultipleNews(multipleNewsId: news__MultipleNewsId!): NewsNewsServiceGetMultipleNew @grpc(body: "{{.args.multipleNewsId}}", method: "news.NewsService.GetMultipleNews")
-  news__NewsService__GetNews(newsId: news__NewsId!): News @grpc(body: "{{.args.newsId}}", method: "news.NewsService.GetNews")
+  news__NewsService__GetNews(newsId: Id!): News @grpc(body: "{{.args.newsId}}", method: "news.NewsService.GetNews")
   post(id: Int! = 1): Post @http(path: "/posts/{{.args.id}}")
   posts: [Post] @http(path: "/posts?_limit=11")
   user(id: Int!): User @http(path: "/users/{{.args.id}}")

tests/cli/snapshots/cli_spec__test__generator_spec__tests__cli__fixtures__generator__gen_json_proto_mix_config.md.snap

@@ -18,11 +18,11 @@ input news__NewsInput {
   body: String
   id: Int
   postImage: String
-  status: news__Status
+  status: Status
   title: String
 }
 
-enum news__Status {
+enum Status {
   DELETED
   DRAFT
   PUBLISHED
@@ -51,7 +51,7 @@ type News {
   body: String
   id: Int
   postImage: String
-  status: news__Status
+  status: Status
   title: String
 }
 
@@ -61,11 +61,11 @@ type NewsNewsServiceGetMultipleNew {
 
 type Query {
   news__NewsService__AddNews(news: news__NewsInput!): News @grpc(body: "{{.args.news}}", method: "news.NewsService.AddNews")
-  news__NewsService__DeleteNews(newsId: news__NewsId!): Empty @grpc(body: "{{.args.newsId}}", method: "news.NewsService.DeleteNews")
+  news__NewsService__DeleteNews(newsId: Id!): Empty @grpc(body: "{{.args.newsId}}", method: "news.NewsService.DeleteNews")
   news__NewsService__EditNews(news: news__NewsInput!): News @grpc(body: "{{.args.news}}", method: "news.NewsService.EditNews")
   news__NewsService__GetAllNews: NewsNewsServiceGetMultipleNew @grpc(method: "news.NewsService.GetAllNews")
   news__NewsService__GetMultipleNews(multipleNewsId: news__MultipleNewsId!): NewsNewsServiceGetMultipleNew @grpc(body: "{{.args.multipleNewsId}}", method: "news.NewsService.GetMultipleNews")
-  news__NewsService__GetNews(newsId: news__NewsId!): News @grpc(body: "{{.args.newsId}}", method: "news.NewsService.GetNews")
+  news__NewsService__GetNews(newsId: Id!): News @grpc(body: "{{.args.newsId}}", method: "news.NewsService.GetNews")
   users: [User] @http(path: "/users")
 }