[Breaking] graphql: Add camelCase for add/update mutation. (#5547)

This PR Modify lowercase typename for add/update mutation to camelCase.
Fixes #5380
Fixes #GRAPHQL-448

Co-authored-by: Abhimanyu Singh Gaur <12651351+abhimanyusinghgaur@users.noreply.github.com>

graphql/e2e/auth/add_mutation_test.go

@@ -662,7 +662,7 @@ func TestAddGQLOnly(t *testing.T) {
 	query := `
 		mutation addUser($user: AddUserSecretInput!) {
 			addUserSecret(input: [$user]) {
-				usersecret {
+				userSecret {
 					aSecret
 				}
 			}

graphql/e2e/common/mutation.go

@@ -2576,7 +2576,7 @@ func addMutationWithReverseDgraphEdge(t *testing.T) {
 	addMovieDirectorParams := &GraphQLParams{
 		Query: `mutation addMovieDirector($dir: [AddMovieDirectorInput!]!) {
 			addMovieDirector(input: $dir) {
-			  moviedirector {
+			  movieDirector {
 				id
 				name
 			  }

graphql/resolve/add_mutation_test.yaml

@@ -982,7 +982,7 @@
   gqlmutation: |
     mutation addMovieDirector($dir: AddMovieDirectorInput!) {
       addMovieDirector(input: [$dir]) {
-        moviedirector {
+        movieDirector {
           id
         }
       }

graphql/resolve/auth_add_test.yaml

@@ -2,7 +2,7 @@
   gqlquery: |
     mutation addUserSecret($secret: AddUserSecretInput!) {
       addUserSecret(input: [$secret]) {
-        usersecret {
+        userSecret {
           id
         }
       }
@@ -30,7 +30,7 @@
   gqlquery: |
     mutation addUserSecret($secrets: [AddUserSecretInput!]!) {
       addUserSecret(input: $secrets) {
-        usersecret {
+        userSecret {
           id
         }
       }
@@ -59,7 +59,7 @@
   gqlquery: |
     mutation addUserSecret($secret: AddUserSecretInput!) {
       addUserSecret(input: [$secret]) {
-        usersecret {
+        userSecret {
           id
         }
       }
@@ -89,7 +89,7 @@
   gqlquery: |
     mutation addUserSecret($secrets: [AddUserSecretInput!]!) {
       addUserSecret(input: $secrets) {
-        usersecret {
+        userSecret {
           id
         }
       }
@@ -932,7 +932,7 @@
   gqlquery: |
     mutation addComplexLog($log: AddComplexLogInput!) {
       addComplexLog(input: [$log]) {
-        complexlog {
+        complexLog {
           id
         }
       }
@@ -953,7 +953,7 @@
   gqlquery: |
     mutation addComplexLog($log: AddComplexLogInput!) {
       addComplexLog(input: [$log]) {
-        complexlog {
+        complexLog {
           id
         }
       }

graphql/resolve/auth_update_test.yaml

@@ -2,7 +2,7 @@
   gqlquery: |
     mutation updateUserSecret($upd: UpdateUserSecretInput!) {
       updateUserSecret(input: $upd) {
-        usersecret {
+        userSecret {
           id
         }
       }
@@ -600,7 +600,7 @@
   gqlquery: |
     mutation updateComplexLog($log: UpdateComplexLogInput!) {
       updateComplexLog(input: $log) {
-        complexlog {
+        complexLog {
           id
         }
       }
@@ -626,7 +626,7 @@
   gqlquery: |
     mutation updateComplexLog($log: UpdateComplexLogInput!) {
       updateComplexLog(input: $log) {
-        complexlog {
+        complexLog {
           id
         }
       }

graphql/resolve/update_mutation_test.yaml

@@ -872,7 +872,7 @@
   gqlmutation: |
     mutation updateMovieDirector($patch: UpdateMovieDirectorInput!) {
       updateMovieDirector(input: $patch) {
-        moviedirector {
+        movieDirector {
           id
         }
       }
@@ -912,7 +912,7 @@
   gqlmutation: |
     mutation updateMovieDirector($patch: UpdateMovieDirectorInput!) {
       updateMovieDirector(input: $patch) {
-        moviedirector {
+        movieDirector {
           id
         }
       }
@@ -1375,7 +1375,7 @@
   gqlmutation: |
     mutation updateComputerOwner($patch: UpdateComputerOwnerInput!) {
       updateComputerOwner(input: $patch) {
-        computerowner {
+        computerOwner {
           name
         }
       }

graphql/schema/gqlschema.go

@@ -842,12 +842,12 @@ func hasOrderables(defn *ast.Definition) bool {
 
 func hasID(defn *ast.Definition) bool {
 	return fieldAny(defn.Fields,
-		func(fld *ast.FieldDefinition) bool { return isID(fld) })
+		isID)
 }
 
 func hasXID(defn *ast.Definition) bool {
 	return fieldAny(defn.Fields,
-		func(fld *ast.FieldDefinition) bool { return hasIDDirective(fld) })
+		hasIDDirective)
 }
 
 // fieldAny returns true if any field in fields satisfies pred
@@ -971,7 +971,7 @@ func addTypeOrderable(schema *ast.Schema, defn *ast.Definition) {
 
 func addAddPayloadType(schema *ast.Schema, defn *ast.Definition) {
 	qry := &ast.FieldDefinition{
-		Name: strings.ToLower(defn.Name),
+		Name: camelCase(defn.Name),
 		Type: ast.ListType(&ast.Type{
 			NamedType: defn.Name,
 		}, nil),
@@ -1001,7 +1001,7 @@ func addUpdatePayloadType(schema *ast.Schema, defn *ast.Definition) {
 	}
 
 	qry := &ast.FieldDefinition{
-		Name: strings.ToLower(defn.Name),
+		Name: camelCase(defn.Name),
 		Type: &ast.Type{
 			Elem: &ast.Type{
 				NamedType: defn.Name,
@@ -1640,3 +1640,11 @@ func isGraphqlSpecScalar(typ string) bool {
 	_, ok := graphqlSpecScalars[typ]
 	return ok
 }
+
+func camelCase(x string) string {
+	if x == "" {
+		return ""
+	}
+
+	return strings.ToLower(x[:1]) + x[1:]
+}

graphql/schema/testdata/schemagen/output/dgraph-reverse-directive-on-concrete-type-with-interfaces.graphql

@@ -148,7 +148,7 @@ type AddDirectorPayload {
 }
 
 type AddOscarMoviePayload {
-	oscarmovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
+	oscarMovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
 	numUids: Int
 }
 
@@ -178,7 +178,7 @@ type UpdateMoviePayload {
 }
 
 type UpdateOscarMoviePayload {
-	oscarmovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
+	oscarMovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
 	numUids: Int
 }
 

graphql/schema/testdata/schemagen/output/dgraph-reverse-directive-with-interfaces.graphql

@@ -148,7 +148,7 @@ type AddDirectorPayload {
 }
 
 type AddOscarMoviePayload {
-	oscarmovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
+	oscarMovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
 	numUids: Int
 }
 
@@ -178,7 +178,7 @@ type UpdateMoviePayload {
 }
 
 type UpdateOscarMoviePayload {
-	oscarmovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
+	oscarMovie(filter: OscarMovieFilter, order: OscarMovieOrder, first: Int, offset: Int): [OscarMovie]
 	numUids: Int
 }
 

graphql/schema/testdata/schemagen/output/field-with-reverse-predicate-in-dgraph-directive.graphql

@@ -136,7 +136,7 @@ input StringHashFilter {
 #######################
 
 type AddMovieDirectorPayload {
-	moviedirector(filter: MovieDirectorFilter, order: MovieDirectorOrder, first: Int, offset: Int): [MovieDirector]
+	movieDirector(filter: MovieDirectorFilter, order: MovieDirectorOrder, first: Int, offset: Int): [MovieDirector]
 	numUids: Int
 }
 
@@ -156,7 +156,7 @@ type DeleteMoviePayload {
 }
 
 type UpdateMovieDirectorPayload {
-	moviedirector(filter: MovieDirectorFilter, order: MovieDirectorOrder, first: Int, offset: Int): [MovieDirector]
+	movieDirector(filter: MovieDirectorFilter, order: MovieDirectorOrder, first: Int, offset: Int): [MovieDirector]
 	numUids: Int
 }