entc/gen: make generated client to implement the ent.Mutator interface (#3161)

examples/start/ent/client.go

@@ -141,6 +141,20 @@ func (c *Client) Use(hooks ...Hook) {
 	c.User.Use(hooks...)
 }
 
+// Mutate implements the ent.Mutator interface.
+func (c *Client) Mutate(ctx context.Context, m Mutation) (Value, error) {
+	switch m := m.(type) {
+	case *CarMutation:
+		return c.Car.mutate(ctx, m)
+	case *GroupMutation:
+		return c.Group.mutate(ctx, m)
+	case *UserMutation:
+		return c.User.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
 // CarClient is a client for the Car schema.
 type CarClient struct {
 	config
@@ -247,6 +261,21 @@ func (c *CarClient) Hooks() []Hook {
 	return c.hooks.Car
 }
 
+func (c *CarClient) mutate(ctx context.Context, m *CarMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&CarCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&CarUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&CarDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Car mutation op: %q", m.Op())
+	}
+}
+
 // GroupClient is a client for the Group schema.
 type GroupClient struct {
 	config
@@ -353,6 +382,21 @@ func (c *GroupClient) Hooks() []Hook {
 	return c.hooks.Group
 }
 
+func (c *GroupClient) mutate(ctx context.Context, m *GroupMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&GroupCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&GroupUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&GroupUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&GroupDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Group mutation op: %q", m.Op())
+	}
+}
+
 // UserClient is a client for the User schema.
 type UserClient struct {
 	config
@@ -474,3 +518,18 @@ func (c *UserClient) QueryGroups(u *User) *GroupQuery {
 func (c *UserClient) Hooks() []Hook {
 	return c.hooks.User
 }
+
+func (c *UserClient) mutate(ctx context.Context, m *UserMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&UserCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&UserUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&UserDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown User mutation op: %q", m.Op())
+	}
+}

examples/start/ent/mutation.go

@@ -270,6 +270,11 @@ func (m *CarMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *CarMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (Car).
 func (m *CarMutation) Type() string {
 	return m.typ
@@ -681,6 +686,11 @@ func (m *GroupMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *GroupMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (Group).
 func (m *GroupMutation) Type() string {
 	return m.typ
@@ -1200,6 +1210,11 @@ func (m *UserMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *UserMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (User).
 func (m *UserMutation) Type() string {
 	return m.typ