Merge pull request #4947 from MohamedSabthar/ctx-mstr

[Master] Move contextInit function definition outside the graphql:ServiceConfig annotation

examples/custom-prefetch-methods/custom_prefetch_methods.bal

@@ -40,12 +40,7 @@ isolated function bookLoaderFunction(readonly & anydata[] ids) returns BookRow[]
 }
 
 @graphql:ServiceConfig {
- contextInit: isolated function(http:RequestContext requestContext, http:Request request) 
- returns graphql:Context {
- graphql:Context ctx = new;
- ctx.registerDataLoader("bookLoader", new dataloader:DefaultDataLoader(bookLoaderFunction));
- return ctx;
- }
+ contextInit
 }
 service /graphql on new graphql:Listener(9090) {
  resource function get authors() returns Author[] {
@@ -84,3 +79,9 @@ public isolated distinct service class Author {
  select {id: bookRow.id, title: bookRow.title};
  }
 }
+
+isolated function contextInit(http:RequestContext requestContext, http:Request request) returns graphql:Context {
+ graphql:Context ctx = new;
+ ctx.registerDataLoader("bookLoader", new dataloader:DefaultDataLoader(bookLoaderFunction));
+ return ctx;
+}

examples/graphql-context/graphql_context.bal

@@ -11,20 +11,7 @@ type Profile record {|
 
 @graphql:ServiceConfig {
  // Initialization of the `graphqlContext` should be provided to the `contextInit` field.
- contextInit: isolated function(http:RequestContext requestContext, http:Request request)
- returns graphql:Context|error {
-
- // Initialize the `graphql:Context` object.
- graphql:Context context = new;
-
- // Retrieves the header named `scope` from the `http:request` and set it to the context with
- // the `scope` key. If the header does not exist, this will return an `error`, and thereby,
- // the request will not be processed.
- context.set("scope", check request.getHeader("scope"));
-
- // Finally, the context object should be returned.
- return context;
- }
+ contextInit
 }
 service /graphql on new graphql:Listener(9090) {
  // Defines a `Profile` field inside the service.
@@ -50,3 +37,16 @@ service /graphql on new graphql:Listener(9090) {
  return error("Permission denied");
  }
 }
+
+isolated function contextInit(http:RequestContext requestContext, http:Request request) returns graphql:Context|error {
+ // Initialize the `graphql:Context` object.
+ graphql:Context context = new;
+
+ // Retrieves the header named `scope` from the `http:request` and set it to the context with
+ // the `scope` key. If the header does not exist, this will return an `error`, and thereby,
+ // the request will not be processed.
+ context.set("scope", check request.getHeader("scope"));
+
+ // Finally, the context object should be returned.
+ return context;
+}

examples/graphql-dataloader/graphql_dataloader.bal

@@ -48,14 +48,7 @@ isolated function bookLoaderFunction(readonly & anydata[] ids) returns BookRow[]
 }
 
 @graphql:ServiceConfig {
- contextInit: isolated function(http:RequestContext requestContext, http:Request request) 
- returns graphql:Context {
- graphql:Context ctx = new;
- // Register the dataloader with the context using a unique name.
- // A defult implementation of the dataloader is used here.
- ctx.registerDataLoader("bookLoader", new dataloader:DefaultDataLoader(bookLoaderFunction));
- return ctx;
- }
+ contextInit
 }
 service /graphql on new graphql:Listener(9090) {
  resource function get authors() returns Author[] {
@@ -93,3 +86,11 @@ public isolated distinct service class Author {
  select {id: bookRow.id, title: bookRow.title};
  }
 }
+
+isolated function contextInit(http:RequestContext requestContext, http:Request request) returns graphql:Context {
+ graphql:Context ctx = new;
+ // Register the dataloader with the context using a unique name.
+ // A defult implementation of the dataloader is used here.
+ ctx.registerDataLoader("bookLoader", new dataloader:DefaultDataLoader(bookLoaderFunction));
+ return ctx;
+}