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// 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 entc, DO NOT EDIT.
package entv1
import (
"fmt"
"strings"
"github.com/facebook/ent/dialect/sql"
"github.com/facebook/ent/entc/integration/migrate/entv1/car"
"github.com/facebook/ent/entc/integration/migrate/entv1/user"
)
// Car is the model entity for the Car schema.
type Car struct {
config
// ID of the ent.
ID int `json:"id,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the CarQuery when eager-loading is set.
Edges CarEdges `json:"edges"`
user_car *int
}
// CarEdges holds the relations/edges for other nodes in the graph.
type CarEdges struct {
// Owner holds the value of the owner edge.
Owner *User
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [1]bool
}
// OwnerOrErr returns the Owner value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e CarEdges) OwnerOrErr() (*User, error) {
if e.loadedTypes[0] {
if e.Owner == nil {
// The edge owner was loaded in eager-loading,
// but was not found.
return nil, &NotFoundError{label: user.Label}
}
return e.Owner, nil
}
return nil, &NotLoadedError{edge: "owner"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Car) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case car.FieldID:
values[i] = &sql.NullInt64{}
case car.ForeignKeys[0]: // user_car
values[i] = &sql.NullInt64{}
default:
return nil, fmt.Errorf("unexpected column %q for type Car", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Car fields.
func (c *Car) assignValues(columns []string, values []interface{}) error {
if m, n := len(values), len(columns); m < n {
return fmt.Errorf("mismatch number of scan values: %d != %d", m, n)
}
for i := range columns {
switch columns[i] {
case car.FieldID:
value, ok := values[i].(*sql.NullInt64)
if !ok {
return fmt.Errorf("unexpected type %T for field id", value)
}
c.ID = int(value.Int64)
case car.ForeignKeys[0]:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for edge-field user_car", value)
} else if value.Valid {
c.user_car = new(int)
*c.user_car = int(value.Int64)
}
}
}
return nil
}
// QueryOwner queries the "owner" edge of the Car entity.
func (c *Car) QueryOwner() *UserQuery {
return (&CarClient{config: c.config}).QueryOwner(c)
}
// Update returns a builder for updating this Car.
// Note that you need to call Car.Unwrap() before calling this method if this Car
// was returned from a transaction, and the transaction was committed or rolled back.
func (c *Car) Update() *CarUpdateOne {
return (&CarClient{config: c.config}).UpdateOne(c)
}
// Unwrap unwraps the Car entity that was returned from a transaction after it was closed,
// so that all future queries will be executed through the driver which created the transaction.
func (c *Car) Unwrap() *Car {
tx, ok := c.config.driver.(*txDriver)
if !ok {
panic("entv1: Car is not a transactional entity")
}
c.config.driver = tx.drv
return c
}
// String implements the fmt.Stringer.
func (c *Car) String() string {
var builder strings.Builder
builder.WriteString("Car(")
builder.WriteString(fmt.Sprintf("id=%v", c.ID))
builder.WriteByte(')')
return builder.String()
}
// Cars is a parsable slice of Car.
type Cars []*Car
func (c Cars) config(cfg config) {
for _i := range c {
c[_i].config = cfg
}
}
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