// Copyright 2019-present Facebook Inc. All rights reserved.
// This source code is licensed under the Apache 2.0 license found
// in the LICENSE file in the root directory of this source tree.

// Code generated by ent, DO NOT EDIT.

package ent

import (
	"context"
	"errors"
	"fmt"
	"log"

	"entgo.io/ent/entc/integration/edgefield/ent/migrate"
	"github.com/google/uuid"

	"entgo.io/ent/entc/integration/edgefield/ent/car"
	"entgo.io/ent/entc/integration/edgefield/ent/card"
	"entgo.io/ent/entc/integration/edgefield/ent/info"
	"entgo.io/ent/entc/integration/edgefield/ent/metadata"
	"entgo.io/ent/entc/integration/edgefield/ent/node"
	"entgo.io/ent/entc/integration/edgefield/ent/pet"
	"entgo.io/ent/entc/integration/edgefield/ent/post"
	"entgo.io/ent/entc/integration/edgefield/ent/rental"
	"entgo.io/ent/entc/integration/edgefield/ent/user"

	"entgo.io/ent/dialect"
	"entgo.io/ent/dialect/sql"
	"entgo.io/ent/dialect/sql/sqlgraph"
)

// Client is the client that holds all ent builders.
type Client struct {
	config
	// Schema is the client for creating, migrating and dropping schema.
	Schema *migrate.Schema
	// Car is the client for interacting with the Car builders.
	Car *CarClient
	// Card is the client for interacting with the Card builders.
	Card *CardClient
	// Info is the client for interacting with the Info builders.
	Info *InfoClient
	// Metadata is the client for interacting with the Metadata builders.
	Metadata *MetadataClient
	// Node is the client for interacting with the Node builders.
	Node *NodeClient
	// Pet is the client for interacting with the Pet builders.
	Pet *PetClient
	// Post is the client for interacting with the Post builders.
	Post *PostClient
	// Rental is the client for interacting with the Rental builders.
	Rental *RentalClient
	// User is the client for interacting with the User builders.
	User *UserClient
}

// NewClient creates a new client configured with the given options.
func NewClient(opts ...Option) *Client {
	cfg := config{log: log.Println, hooks: &hooks{}}
	cfg.options(opts...)
	client := &Client{config: cfg}
	client.init()
	return client
}

func (c *Client) init() {
	c.Schema = migrate.NewSchema(c.driver)
	c.Car = NewCarClient(c.config)
	c.Card = NewCardClient(c.config)
	c.Info = NewInfoClient(c.config)
	c.Metadata = NewMetadataClient(c.config)
	c.Node = NewNodeClient(c.config)
	c.Pet = NewPetClient(c.config)
	c.Post = NewPostClient(c.config)
	c.Rental = NewRentalClient(c.config)
	c.User = NewUserClient(c.config)
}

// Open opens a database/sql.DB specified by the driver name and
// the data source name, and returns a new client attached to it.
// Optional parameters can be added for configuring the client.
func Open(driverName, dataSourceName string, options ...Option) (*Client, error) {
	switch driverName {
	case dialect.MySQL, dialect.Postgres, dialect.SQLite:
		drv, err := sql.Open(driverName, dataSourceName)
		if err != nil {
			return nil, err
		}
		return NewClient(append(options, Driver(drv))...), nil
	default:
		return nil, fmt.Errorf("unsupported driver: %q", driverName)
	}
}

// Tx returns a new transactional client. The provided context
// is used until the transaction is committed or rolled back.
func (c *Client) Tx(ctx context.Context) (*Tx, error) {
	if _, ok := c.driver.(*txDriver); ok {
		return nil, errors.New("ent: cannot start a transaction within a transaction")
	}
	tx, err := newTx(ctx, c.driver)
	if err != nil {
		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
	}
	cfg := c.config
	cfg.driver = tx
	return &Tx{
		ctx:      ctx,
		config:   cfg,
		Car:      NewCarClient(cfg),
		Card:     NewCardClient(cfg),
		Info:     NewInfoClient(cfg),
		Metadata: NewMetadataClient(cfg),
		Node:     NewNodeClient(cfg),
		Pet:      NewPetClient(cfg),
		Post:     NewPostClient(cfg),
		Rental:   NewRentalClient(cfg),
		User:     NewUserClient(cfg),
	}, nil
}

// BeginTx returns a transactional client with specified options.
func (c *Client) BeginTx(ctx context.Context, opts *sql.TxOptions) (*Tx, error) {
	if _, ok := c.driver.(*txDriver); ok {
		return nil, errors.New("ent: cannot start a transaction within a transaction")
	}
	tx, err := c.driver.(interface {
		BeginTx(context.Context, *sql.TxOptions) (dialect.Tx, error)
	}).BeginTx(ctx, opts)
	if err != nil {
		return nil, fmt.Errorf("ent: starting a transaction: %w", err)
	}
	cfg := c.config
	cfg.driver = &txDriver{tx: tx, drv: c.driver}
	return &Tx{
		ctx:      ctx,
		config:   cfg,
		Car:      NewCarClient(cfg),
		Card:     NewCardClient(cfg),
		Info:     NewInfoClient(cfg),
		Metadata: NewMetadataClient(cfg),
		Node:     NewNodeClient(cfg),
		Pet:      NewPetClient(cfg),
		Post:     NewPostClient(cfg),
		Rental:   NewRentalClient(cfg),
		User:     NewUserClient(cfg),
	}, nil
}

// Debug returns a new debug-client. It's used to get verbose logging on specific operations.
//
//	client.Debug().
//		Car.
//		Query().
//		Count(ctx)
func (c *Client) Debug() *Client {
	if c.debug {
		return c
	}
	cfg := c.config
	cfg.driver = dialect.Debug(c.driver, c.log)
	client := &Client{config: cfg}
	client.init()
	return client
}

// Close closes the database connection and prevents new queries from starting.
func (c *Client) Close() error {
	return c.driver.Close()
}

// Use adds the mutation hooks to all the entity clients.
// In order to add hooks to a specific client, call: `client.Node.Use(...)`.
func (c *Client) Use(hooks ...Hook) {
	c.Car.Use(hooks...)
	c.Card.Use(hooks...)
	c.Info.Use(hooks...)
	c.Metadata.Use(hooks...)
	c.Node.Use(hooks...)
	c.Pet.Use(hooks...)
	c.Post.Use(hooks...)
	c.Rental.Use(hooks...)
	c.User.Use(hooks...)
}

// CarClient is a client for the Car schema.
type CarClient struct {
	config
}

// NewCarClient returns a client for the Car from the given config.
func NewCarClient(c config) *CarClient {
	return &CarClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `car.Hooks(f(g(h())))`.
func (c *CarClient) Use(hooks ...Hook) {
	c.hooks.Car = append(c.hooks.Car, hooks...)
}

// Create returns a builder for creating a Car entity.
func (c *CarClient) Create() *CarCreate {
	mutation := newCarMutation(c.config, OpCreate)
	return &CarCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Car entities.
func (c *CarClient) CreateBulk(builders ...*CarCreate) *CarCreateBulk {
	return &CarCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Car.
func (c *CarClient) Update() *CarUpdate {
	mutation := newCarMutation(c.config, OpUpdate)
	return &CarUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *CarClient) UpdateOne(ca *Car) *CarUpdateOne {
	mutation := newCarMutation(c.config, OpUpdateOne, withCar(ca))
	return &CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *CarClient) UpdateOneID(id uuid.UUID) *CarUpdateOne {
	mutation := newCarMutation(c.config, OpUpdateOne, withCarID(id))
	return &CarUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Car.
func (c *CarClient) Delete() *CarDelete {
	mutation := newCarMutation(c.config, OpDelete)
	return &CarDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *CarClient) DeleteOne(ca *Car) *CarDeleteOne {
	return c.DeleteOneID(ca.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *CarClient) DeleteOneID(id uuid.UUID) *CarDeleteOne {
	builder := c.Delete().Where(car.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &CarDeleteOne{builder}
}

// Query returns a query builder for Car.
func (c *CarClient) Query() *CarQuery {
	return &CarQuery{
		config: c.config,
	}
}

// Get returns a Car entity by its id.
func (c *CarClient) Get(ctx context.Context, id uuid.UUID) (*Car, error) {
	return c.Query().Where(car.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *CarClient) GetX(ctx context.Context, id uuid.UUID) *Car {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryRentals queries the rentals edge of a Car.
func (c *CarClient) QueryRentals(ca *Car) *RentalQuery {
	query := &RentalQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := ca.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(car.Table, car.FieldID, id),
			sqlgraph.To(rental.Table, rental.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, car.RentalsTable, car.RentalsColumn),
		)
		fromV = sqlgraph.Neighbors(ca.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *CarClient) Hooks() []Hook {
	return c.hooks.Car
}

// CardClient is a client for the Card schema.
type CardClient struct {
	config
}

// NewCardClient returns a client for the Card from the given config.
func NewCardClient(c config) *CardClient {
	return &CardClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `card.Hooks(f(g(h())))`.
func (c *CardClient) Use(hooks ...Hook) {
	c.hooks.Card = append(c.hooks.Card, hooks...)
}

// Create returns a builder for creating a Card entity.
func (c *CardClient) Create() *CardCreate {
	mutation := newCardMutation(c.config, OpCreate)
	return &CardCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Card entities.
func (c *CardClient) CreateBulk(builders ...*CardCreate) *CardCreateBulk {
	return &CardCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Card.
func (c *CardClient) Update() *CardUpdate {
	mutation := newCardMutation(c.config, OpUpdate)
	return &CardUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *CardClient) UpdateOne(ca *Card) *CardUpdateOne {
	mutation := newCardMutation(c.config, OpUpdateOne, withCard(ca))
	return &CardUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *CardClient) UpdateOneID(id int) *CardUpdateOne {
	mutation := newCardMutation(c.config, OpUpdateOne, withCardID(id))
	return &CardUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Card.
func (c *CardClient) Delete() *CardDelete {
	mutation := newCardMutation(c.config, OpDelete)
	return &CardDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *CardClient) DeleteOne(ca *Card) *CardDeleteOne {
	return c.DeleteOneID(ca.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *CardClient) DeleteOneID(id int) *CardDeleteOne {
	builder := c.Delete().Where(card.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &CardDeleteOne{builder}
}

// Query returns a query builder for Card.
func (c *CardClient) Query() *CardQuery {
	return &CardQuery{
		config: c.config,
	}
}

// Get returns a Card entity by its id.
func (c *CardClient) Get(ctx context.Context, id int) (*Card, error) {
	return c.Query().Where(card.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *CardClient) GetX(ctx context.Context, id int) *Card {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryOwner queries the owner edge of a Card.
func (c *CardClient) QueryOwner(ca *Card) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := ca.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(card.Table, card.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, true, card.OwnerTable, card.OwnerColumn),
		)
		fromV = sqlgraph.Neighbors(ca.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *CardClient) Hooks() []Hook {
	return c.hooks.Card
}

// InfoClient is a client for the Info schema.
type InfoClient struct {
	config
}

// NewInfoClient returns a client for the Info from the given config.
func NewInfoClient(c config) *InfoClient {
	return &InfoClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `info.Hooks(f(g(h())))`.
func (c *InfoClient) Use(hooks ...Hook) {
	c.hooks.Info = append(c.hooks.Info, hooks...)
}

// Create returns a builder for creating a Info entity.
func (c *InfoClient) Create() *InfoCreate {
	mutation := newInfoMutation(c.config, OpCreate)
	return &InfoCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Info entities.
func (c *InfoClient) CreateBulk(builders ...*InfoCreate) *InfoCreateBulk {
	return &InfoCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Info.
func (c *InfoClient) Update() *InfoUpdate {
	mutation := newInfoMutation(c.config, OpUpdate)
	return &InfoUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *InfoClient) UpdateOne(i *Info) *InfoUpdateOne {
	mutation := newInfoMutation(c.config, OpUpdateOne, withInfo(i))
	return &InfoUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *InfoClient) UpdateOneID(id int) *InfoUpdateOne {
	mutation := newInfoMutation(c.config, OpUpdateOne, withInfoID(id))
	return &InfoUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Info.
func (c *InfoClient) Delete() *InfoDelete {
	mutation := newInfoMutation(c.config, OpDelete)
	return &InfoDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *InfoClient) DeleteOne(i *Info) *InfoDeleteOne {
	return c.DeleteOneID(i.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *InfoClient) DeleteOneID(id int) *InfoDeleteOne {
	builder := c.Delete().Where(info.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &InfoDeleteOne{builder}
}

// Query returns a query builder for Info.
func (c *InfoClient) Query() *InfoQuery {
	return &InfoQuery{
		config: c.config,
	}
}

// Get returns a Info entity by its id.
func (c *InfoClient) Get(ctx context.Context, id int) (*Info, error) {
	return c.Query().Where(info.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *InfoClient) GetX(ctx context.Context, id int) *Info {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryUser queries the user edge of a Info.
func (c *InfoClient) QueryUser(i *Info) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := i.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(info.Table, info.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, false, info.UserTable, info.UserColumn),
		)
		fromV = sqlgraph.Neighbors(i.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *InfoClient) Hooks() []Hook {
	return c.hooks.Info
}

// MetadataClient is a client for the Metadata schema.
type MetadataClient struct {
	config
}

// NewMetadataClient returns a client for the Metadata from the given config.
func NewMetadataClient(c config) *MetadataClient {
	return &MetadataClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `metadata.Hooks(f(g(h())))`.
func (c *MetadataClient) Use(hooks ...Hook) {
	c.hooks.Metadata = append(c.hooks.Metadata, hooks...)
}

// Create returns a builder for creating a Metadata entity.
func (c *MetadataClient) Create() *MetadataCreate {
	mutation := newMetadataMutation(c.config, OpCreate)
	return &MetadataCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Metadata entities.
func (c *MetadataClient) CreateBulk(builders ...*MetadataCreate) *MetadataCreateBulk {
	return &MetadataCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Metadata.
func (c *MetadataClient) Update() *MetadataUpdate {
	mutation := newMetadataMutation(c.config, OpUpdate)
	return &MetadataUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *MetadataClient) UpdateOne(m *Metadata) *MetadataUpdateOne {
	mutation := newMetadataMutation(c.config, OpUpdateOne, withMetadata(m))
	return &MetadataUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *MetadataClient) UpdateOneID(id int) *MetadataUpdateOne {
	mutation := newMetadataMutation(c.config, OpUpdateOne, withMetadataID(id))
	return &MetadataUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Metadata.
func (c *MetadataClient) Delete() *MetadataDelete {
	mutation := newMetadataMutation(c.config, OpDelete)
	return &MetadataDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *MetadataClient) DeleteOne(m *Metadata) *MetadataDeleteOne {
	return c.DeleteOneID(m.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *MetadataClient) DeleteOneID(id int) *MetadataDeleteOne {
	builder := c.Delete().Where(metadata.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &MetadataDeleteOne{builder}
}

// Query returns a query builder for Metadata.
func (c *MetadataClient) Query() *MetadataQuery {
	return &MetadataQuery{
		config: c.config,
	}
}

// Get returns a Metadata entity by its id.
func (c *MetadataClient) Get(ctx context.Context, id int) (*Metadata, error) {
	return c.Query().Where(metadata.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *MetadataClient) GetX(ctx context.Context, id int) *Metadata {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryUser queries the user edge of a Metadata.
func (c *MetadataClient) QueryUser(m *Metadata) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(metadata.Table, metadata.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, true, metadata.UserTable, metadata.UserColumn),
		)
		fromV = sqlgraph.Neighbors(m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryChildren queries the children edge of a Metadata.
func (c *MetadataClient) QueryChildren(m *Metadata) *MetadataQuery {
	query := &MetadataQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(metadata.Table, metadata.FieldID, id),
			sqlgraph.To(metadata.Table, metadata.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, true, metadata.ChildrenTable, metadata.ChildrenColumn),
		)
		fromV = sqlgraph.Neighbors(m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryParent queries the parent edge of a Metadata.
func (c *MetadataClient) QueryParent(m *Metadata) *MetadataQuery {
	query := &MetadataQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := m.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(metadata.Table, metadata.FieldID, id),
			sqlgraph.To(metadata.Table, metadata.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, false, metadata.ParentTable, metadata.ParentColumn),
		)
		fromV = sqlgraph.Neighbors(m.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *MetadataClient) Hooks() []Hook {
	return c.hooks.Metadata
}

// NodeClient is a client for the Node schema.
type NodeClient struct {
	config
}

// NewNodeClient returns a client for the Node from the given config.
func NewNodeClient(c config) *NodeClient {
	return &NodeClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `node.Hooks(f(g(h())))`.
func (c *NodeClient) Use(hooks ...Hook) {
	c.hooks.Node = append(c.hooks.Node, hooks...)
}

// Create returns a builder for creating a Node entity.
func (c *NodeClient) Create() *NodeCreate {
	mutation := newNodeMutation(c.config, OpCreate)
	return &NodeCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Node entities.
func (c *NodeClient) CreateBulk(builders ...*NodeCreate) *NodeCreateBulk {
	return &NodeCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Node.
func (c *NodeClient) Update() *NodeUpdate {
	mutation := newNodeMutation(c.config, OpUpdate)
	return &NodeUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *NodeClient) UpdateOne(n *Node) *NodeUpdateOne {
	mutation := newNodeMutation(c.config, OpUpdateOne, withNode(n))
	return &NodeUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *NodeClient) UpdateOneID(id int) *NodeUpdateOne {
	mutation := newNodeMutation(c.config, OpUpdateOne, withNodeID(id))
	return &NodeUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Node.
func (c *NodeClient) Delete() *NodeDelete {
	mutation := newNodeMutation(c.config, OpDelete)
	return &NodeDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *NodeClient) DeleteOne(n *Node) *NodeDeleteOne {
	return c.DeleteOneID(n.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *NodeClient) DeleteOneID(id int) *NodeDeleteOne {
	builder := c.Delete().Where(node.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &NodeDeleteOne{builder}
}

// Query returns a query builder for Node.
func (c *NodeClient) Query() *NodeQuery {
	return &NodeQuery{
		config: c.config,
	}
}

// Get returns a Node entity by its id.
func (c *NodeClient) Get(ctx context.Context, id int) (*Node, error) {
	return c.Query().Where(node.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *NodeClient) GetX(ctx context.Context, id int) *Node {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryPrev queries the prev edge of a Node.
func (c *NodeClient) QueryPrev(n *Node) *NodeQuery {
	query := &NodeQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := n.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(node.Table, node.FieldID, id),
			sqlgraph.To(node.Table, node.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, true, node.PrevTable, node.PrevColumn),
		)
		fromV = sqlgraph.Neighbors(n.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryNext queries the next edge of a Node.
func (c *NodeClient) QueryNext(n *Node) *NodeQuery {
	query := &NodeQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := n.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(node.Table, node.FieldID, id),
			sqlgraph.To(node.Table, node.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, node.NextTable, node.NextColumn),
		)
		fromV = sqlgraph.Neighbors(n.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *NodeClient) Hooks() []Hook {
	return c.hooks.Node
}

// PetClient is a client for the Pet schema.
type PetClient struct {
	config
}

// NewPetClient returns a client for the Pet from the given config.
func NewPetClient(c config) *PetClient {
	return &PetClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `pet.Hooks(f(g(h())))`.
func (c *PetClient) Use(hooks ...Hook) {
	c.hooks.Pet = append(c.hooks.Pet, hooks...)
}

// Create returns a builder for creating a Pet entity.
func (c *PetClient) Create() *PetCreate {
	mutation := newPetMutation(c.config, OpCreate)
	return &PetCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Pet entities.
func (c *PetClient) CreateBulk(builders ...*PetCreate) *PetCreateBulk {
	return &PetCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Pet.
func (c *PetClient) Update() *PetUpdate {
	mutation := newPetMutation(c.config, OpUpdate)
	return &PetUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *PetClient) UpdateOne(pe *Pet) *PetUpdateOne {
	mutation := newPetMutation(c.config, OpUpdateOne, withPet(pe))
	return &PetUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *PetClient) UpdateOneID(id int) *PetUpdateOne {
	mutation := newPetMutation(c.config, OpUpdateOne, withPetID(id))
	return &PetUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Pet.
func (c *PetClient) Delete() *PetDelete {
	mutation := newPetMutation(c.config, OpDelete)
	return &PetDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *PetClient) DeleteOne(pe *Pet) *PetDeleteOne {
	return c.DeleteOneID(pe.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *PetClient) DeleteOneID(id int) *PetDeleteOne {
	builder := c.Delete().Where(pet.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &PetDeleteOne{builder}
}

// Query returns a query builder for Pet.
func (c *PetClient) Query() *PetQuery {
	return &PetQuery{
		config: c.config,
	}
}

// Get returns a Pet entity by its id.
func (c *PetClient) Get(ctx context.Context, id int) (*Pet, error) {
	return c.Query().Where(pet.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *PetClient) GetX(ctx context.Context, id int) *Pet {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryOwner queries the owner edge of a Pet.
func (c *PetClient) QueryOwner(pe *Pet) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := pe.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(pet.Table, pet.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, pet.OwnerTable, pet.OwnerColumn),
		)
		fromV = sqlgraph.Neighbors(pe.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *PetClient) Hooks() []Hook {
	return c.hooks.Pet
}

// PostClient is a client for the Post schema.
type PostClient struct {
	config
}

// NewPostClient returns a client for the Post from the given config.
func NewPostClient(c config) *PostClient {
	return &PostClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `post.Hooks(f(g(h())))`.
func (c *PostClient) Use(hooks ...Hook) {
	c.hooks.Post = append(c.hooks.Post, hooks...)
}

// Create returns a builder for creating a Post entity.
func (c *PostClient) Create() *PostCreate {
	mutation := newPostMutation(c.config, OpCreate)
	return &PostCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Post entities.
func (c *PostClient) CreateBulk(builders ...*PostCreate) *PostCreateBulk {
	return &PostCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Post.
func (c *PostClient) Update() *PostUpdate {
	mutation := newPostMutation(c.config, OpUpdate)
	return &PostUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *PostClient) UpdateOne(po *Post) *PostUpdateOne {
	mutation := newPostMutation(c.config, OpUpdateOne, withPost(po))
	return &PostUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *PostClient) UpdateOneID(id int) *PostUpdateOne {
	mutation := newPostMutation(c.config, OpUpdateOne, withPostID(id))
	return &PostUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Post.
func (c *PostClient) Delete() *PostDelete {
	mutation := newPostMutation(c.config, OpDelete)
	return &PostDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *PostClient) DeleteOne(po *Post) *PostDeleteOne {
	return c.DeleteOneID(po.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *PostClient) DeleteOneID(id int) *PostDeleteOne {
	builder := c.Delete().Where(post.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &PostDeleteOne{builder}
}

// Query returns a query builder for Post.
func (c *PostClient) Query() *PostQuery {
	return &PostQuery{
		config: c.config,
	}
}

// Get returns a Post entity by its id.
func (c *PostClient) Get(ctx context.Context, id int) (*Post, error) {
	return c.Query().Where(post.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *PostClient) GetX(ctx context.Context, id int) *Post {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryAuthor queries the author edge of a Post.
func (c *PostClient) QueryAuthor(po *Post) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := po.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(post.Table, post.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, false, post.AuthorTable, post.AuthorColumn),
		)
		fromV = sqlgraph.Neighbors(po.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *PostClient) Hooks() []Hook {
	return c.hooks.Post
}

// RentalClient is a client for the Rental schema.
type RentalClient struct {
	config
}

// NewRentalClient returns a client for the Rental from the given config.
func NewRentalClient(c config) *RentalClient {
	return &RentalClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `rental.Hooks(f(g(h())))`.
func (c *RentalClient) Use(hooks ...Hook) {
	c.hooks.Rental = append(c.hooks.Rental, hooks...)
}

// Create returns a builder for creating a Rental entity.
func (c *RentalClient) Create() *RentalCreate {
	mutation := newRentalMutation(c.config, OpCreate)
	return &RentalCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of Rental entities.
func (c *RentalClient) CreateBulk(builders ...*RentalCreate) *RentalCreateBulk {
	return &RentalCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for Rental.
func (c *RentalClient) Update() *RentalUpdate {
	mutation := newRentalMutation(c.config, OpUpdate)
	return &RentalUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *RentalClient) UpdateOne(r *Rental) *RentalUpdateOne {
	mutation := newRentalMutation(c.config, OpUpdateOne, withRental(r))
	return &RentalUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *RentalClient) UpdateOneID(id int) *RentalUpdateOne {
	mutation := newRentalMutation(c.config, OpUpdateOne, withRentalID(id))
	return &RentalUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for Rental.
func (c *RentalClient) Delete() *RentalDelete {
	mutation := newRentalMutation(c.config, OpDelete)
	return &RentalDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *RentalClient) DeleteOne(r *Rental) *RentalDeleteOne {
	return c.DeleteOneID(r.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *RentalClient) DeleteOneID(id int) *RentalDeleteOne {
	builder := c.Delete().Where(rental.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &RentalDeleteOne{builder}
}

// Query returns a query builder for Rental.
func (c *RentalClient) Query() *RentalQuery {
	return &RentalQuery{
		config: c.config,
	}
}

// Get returns a Rental entity by its id.
func (c *RentalClient) Get(ctx context.Context, id int) (*Rental, error) {
	return c.Query().Where(rental.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *RentalClient) GetX(ctx context.Context, id int) *Rental {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryUser queries the user edge of a Rental.
func (c *RentalClient) QueryUser(r *Rental) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := r.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(rental.Table, rental.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, rental.UserTable, rental.UserColumn),
		)
		fromV = sqlgraph.Neighbors(r.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryCar queries the car edge of a Rental.
func (c *RentalClient) QueryCar(r *Rental) *CarQuery {
	query := &CarQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := r.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(rental.Table, rental.FieldID, id),
			sqlgraph.To(car.Table, car.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, rental.CarTable, rental.CarColumn),
		)
		fromV = sqlgraph.Neighbors(r.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *RentalClient) Hooks() []Hook {
	return c.hooks.Rental
}

// UserClient is a client for the User schema.
type UserClient struct {
	config
}

// NewUserClient returns a client for the User from the given config.
func NewUserClient(c config) *UserClient {
	return &UserClient{config: c}
}

// Use adds a list of mutation hooks to the hooks stack.
// A call to `Use(f, g, h)` equals to `user.Hooks(f(g(h())))`.
func (c *UserClient) Use(hooks ...Hook) {
	c.hooks.User = append(c.hooks.User, hooks...)
}

// Create returns a builder for creating a User entity.
func (c *UserClient) Create() *UserCreate {
	mutation := newUserMutation(c.config, OpCreate)
	return &UserCreate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// CreateBulk returns a builder for creating a bulk of User entities.
func (c *UserClient) CreateBulk(builders ...*UserCreate) *UserCreateBulk {
	return &UserCreateBulk{config: c.config, builders: builders}
}

// Update returns an update builder for User.
func (c *UserClient) Update() *UserUpdate {
	mutation := newUserMutation(c.config, OpUpdate)
	return &UserUpdate{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOne returns an update builder for the given entity.
func (c *UserClient) UpdateOne(u *User) *UserUpdateOne {
	mutation := newUserMutation(c.config, OpUpdateOne, withUser(u))
	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// UpdateOneID returns an update builder for the given id.
func (c *UserClient) UpdateOneID(id int) *UserUpdateOne {
	mutation := newUserMutation(c.config, OpUpdateOne, withUserID(id))
	return &UserUpdateOne{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// Delete returns a delete builder for User.
func (c *UserClient) Delete() *UserDelete {
	mutation := newUserMutation(c.config, OpDelete)
	return &UserDelete{config: c.config, hooks: c.Hooks(), mutation: mutation}
}

// DeleteOne returns a builder for deleting the given entity.
func (c *UserClient) DeleteOne(u *User) *UserDeleteOne {
	return c.DeleteOneID(u.ID)
}

// DeleteOne returns a builder for deleting the given entity by its id.
func (c *UserClient) DeleteOneID(id int) *UserDeleteOne {
	builder := c.Delete().Where(user.ID(id))
	builder.mutation.id = &id
	builder.mutation.op = OpDeleteOne
	return &UserDeleteOne{builder}
}

// Query returns a query builder for User.
func (c *UserClient) Query() *UserQuery {
	return &UserQuery{
		config: c.config,
	}
}

// Get returns a User entity by its id.
func (c *UserClient) Get(ctx context.Context, id int) (*User, error) {
	return c.Query().Where(user.ID(id)).Only(ctx)
}

// GetX is like Get, but panics if an error occurs.
func (c *UserClient) GetX(ctx context.Context, id int) *User {
	obj, err := c.Get(ctx, id)
	if err != nil {
		panic(err)
	}
	return obj
}

// QueryPets queries the pets edge of a User.
func (c *UserClient) QueryPets(u *User) *PetQuery {
	query := &PetQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(pet.Table, pet.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, user.PetsTable, user.PetsColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryParent queries the parent edge of a User.
func (c *UserClient) QueryParent(u *User) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.M2O, true, user.ParentTable, user.ParentColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryChildren queries the children edge of a User.
func (c *UserClient) QueryChildren(u *User) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, user.ChildrenTable, user.ChildrenColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QuerySpouse queries the spouse edge of a User.
func (c *UserClient) QuerySpouse(u *User) *UserQuery {
	query := &UserQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(user.Table, user.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, user.SpouseTable, user.SpouseColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryCard queries the card edge of a User.
func (c *UserClient) QueryCard(u *User) *CardQuery {
	query := &CardQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(card.Table, card.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, user.CardTable, user.CardColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryMetadata queries the metadata edge of a User.
func (c *UserClient) QueryMetadata(u *User) *MetadataQuery {
	query := &MetadataQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(metadata.Table, metadata.FieldID),
			sqlgraph.Edge(sqlgraph.O2O, false, user.MetadataTable, user.MetadataColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryInfo queries the info edge of a User.
func (c *UserClient) QueryInfo(u *User) *InfoQuery {
	query := &InfoQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(info.Table, info.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, true, user.InfoTable, user.InfoColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// QueryRentals queries the rentals edge of a User.
func (c *UserClient) QueryRentals(u *User) *RentalQuery {
	query := &RentalQuery{config: c.config}
	query.path = func(ctx context.Context) (fromV *sql.Selector, _ error) {
		id := u.ID
		step := sqlgraph.NewStep(
			sqlgraph.From(user.Table, user.FieldID, id),
			sqlgraph.To(rental.Table, rental.FieldID),
			sqlgraph.Edge(sqlgraph.O2M, false, user.RentalsTable, user.RentalsColumn),
		)
		fromV = sqlgraph.Neighbors(u.driver.Dialect(), step)
		return fromV, nil
	}
	return query
}

// Hooks returns the client hooks.
func (c *UserClient) Hooks() []Hook {
	return c.hooks.User
}