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

entc/integration/cascadelete/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 *CommentMutation:
+		return c.Comment.mutate(ctx, m)
+	case *PostMutation:
+		return c.Post.mutate(ctx, m)
+	case *UserMutation:
+		return c.User.mutate(ctx, m)
+	default:
+		return nil, fmt.Errorf("ent: unknown mutation type %T", m)
+	}
+}
+
 // CommentClient is a client for the Comment schema.
 type CommentClient struct {
 	config
@@ -247,6 +261,21 @@ func (c *CommentClient) Hooks() []Hook {
 	return c.hooks.Comment
 }
 
+func (c *CommentClient) mutate(ctx context.Context, m *CommentMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&CommentCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&CommentUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&CommentUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&CommentDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Comment mutation op: %q", m.Op())
+	}
+}
+
 // PostClient is a client for the Post schema.
 type PostClient struct {
 	config
@@ -369,6 +398,21 @@ func (c *PostClient) Hooks() []Hook {
 	return c.hooks.Post
 }
 
+func (c *PostClient) mutate(ctx context.Context, m *PostMutation) (Value, error) {
+	switch m.Op() {
+	case OpCreate:
+		return (&PostCreate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdate:
+		return (&PostUpdate{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpUpdateOne:
+		return (&PostUpdateOne{config: c.config, hooks: c.Hooks(), mutation: m}).Save(ctx)
+	case OpDelete, OpDeleteOne:
+		return (&PostDelete{config: c.config, hooks: c.Hooks(), mutation: m}).Exec(ctx)
+	default:
+		return nil, fmt.Errorf("ent: unknown Post mutation op: %q", m.Op())
+	}
+}
+
 // UserClient is a client for the User schema.
 type UserClient struct {
 	config
@@ -474,3 +518,18 @@ func (c *UserClient) QueryPosts(u *User) *PostQuery {
 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())
+	}
+}

entc/integration/cascadelete/ent/mutation.go

@@ -255,6 +255,11 @@ func (m *CommentMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *CommentMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (Comment).
 func (m *CommentMutation) Type() string {
 	return m.typ
@@ -746,6 +751,11 @@ func (m *PostMutation) Op() Op {
 	return m.op
 }
 
+// SetOp allows setting the mutation operation.
+func (m *PostMutation) SetOp(op Op) {
+	m.op = op
+}
+
 // Type returns the node type of this mutation (Post).
 func (m *PostMutation) Type() string {
 	return m.typ
@@ -1197,6 +1207,11 @@ 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