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

examples/o2o2types/ent/client.go

@@ -134,6 +134,18 @@ 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 *CardMutation:
+		return c.Card.mutate(ctx, m)
+	case *UserMutation:
+		return c.User.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
 // CardClient is a client for the Card schema.
 type CardClient struct {
 	config
@@ -240,6 +252,21 @@ func (c *CardClient) Hooks() []Hook {
 	return c.hooks.Card
 }
 
+func (c *CardClient) mutate(ctx context.Context, m *CardMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&CardCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&CardUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&CardUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&CardDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Card mutation op: %q", m.Op())
+	}
+}
+
 // UserClient is a client for the User schema.
 type UserClient struct {
 	config
@@ -345,3 +372,18 @@ func (c *UserClient) QueryCard(u *User) *CardQuery {
 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/o2o2types/ent/mutation.go

@@ -268,6 +268,11 @@ func (m *CardMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *CardMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (Card).
 func (m *CardMutation) Type() string {
 	return m.typ
@@ -721,6 +726,11 @@ 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