added loginResult type

internal/graphqlTypes.go

@@ -10,8 +10,14 @@ import (
 	"github.com/graphql-go/graphql/language/ast"
 )
 
+type LoginResult struct {
+	Token      string `json:"token"`
+	Successful bool   `json:"successful"`
+}
+
 var graphqlDirType *graphql.Object
 var graphqlFileType *graphql.Object
+var graphqlLoginResultType *graphql.Object
 
 // graphqlTypes create all graphql types and stores the in the global variables
 func graphqlTypes() {
@@ -192,6 +198,22 @@ func graphqlTypes() {
 			}, nil
 		},
 	})
+
+	graphqlLoginResultType = graphql.NewObject(graphql.ObjectConfig{
+		Name:        "LoginResut",
+		Description: "Result of a login",
+		Fields: graphql.Fields{
+			"token": &graphql.Field{
+				Type:        graphql.String,
+				Description: "JWT token if login was successful",
+			},
+			"successful": &graphql.Field{
+				Type:        graphql.NewNonNull(graphql.Boolean),
+				Description: "If the login was successful",
+			},
+		},
+	})
+
 }
 
 // graphqlTypes helper func for using the dataloader to get a file

internal/mutations.go

@@ -193,7 +193,15 @@ func deleteDirectory(ctx context.Context, path string) error {
 }
 
 //login Checks for valid username password combination. Returns singed jwt string
-func login(ctx context.Context, username, password string) (string, error) {
+func login(ctx context.Context, username, password string) (LoginResult, error) {
+
+	// TODO: replace with propper user management
+	if username != "admin" && password != "hunter2" {
+		return LoginResult{
+			Successful: false,
+		}, nil
+	}
+
 	token := jwt.NewWithClaims(jwt.SigningMethodHS256, JWTClaims{
 		StandardClaims: jwt.StandardClaims{
 			Subject:   username,
@@ -204,8 +212,13 @@ func login(ctx context.Context, username, password string) (string, error) {
 	tokenString, err := token.SignedString([]byte("TODO"))
 
 	if err != nil {
-		return "", err
+		return LoginResult{
+			Successful: false,
+		}, err
 	}
 
-	return tokenString, nil
+	return LoginResult{
+		Token:      tokenString,
+		Successful: true,
+	}, nil
 }

internal/schema.go

@@ -184,7 +184,7 @@ func graphqlSchema() (graphql.Schema, error) {
 			},
 		},
 		"login": &graphql.Field{
-			Type: graphql.NewNonNull(graphql.String),
+			Type: graphql.NewNonNull(graphqlLoginResultType),
 			Args: graphql.FieldConfigArgument{
 				"username": &graphql.ArgumentConfig{
 					Type: graphql.NewNonNull(graphql.String),