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pet.go
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pet.go
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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 ent, DO NOT EDIT.
package ent
import (
"fmt"
"strings"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/entc/integration/customid/ent/pet"
"entgo.io/ent/entc/integration/customid/ent/user"
)
// Pet is the model entity for the Pet schema.
type Pet struct {
config
// ID of the ent.
ID string `json:"id,omitempty"`
// Edges holds the relations/edges for other nodes in the graph.
// The values are being populated by the PetQuery when eager-loading is set.
Edges PetEdges `json:"edges"`
pet_best_friend *string
user_pets *int
}
// PetEdges holds the relations/edges for other nodes in the graph.
type PetEdges struct {
// Owner holds the value of the owner edge.
Owner *User `json:"owner,omitempty"`
// Cars holds the value of the cars edge.
Cars []*Car `json:"cars,omitempty"`
// Friends holds the value of the friends edge.
Friends []*Pet `json:"friends,omitempty"`
// BestFriend holds the value of the best_friend edge.
BestFriend *Pet `json:"best_friend,omitempty"`
// loadedTypes holds the information for reporting if a
// type was loaded (or requested) in eager-loading or not.
loadedTypes [4]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 PetEdges) 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"}
}
// CarsOrErr returns the Cars value or an error if the edge
// was not loaded in eager-loading.
func (e PetEdges) CarsOrErr() ([]*Car, error) {
if e.loadedTypes[1] {
return e.Cars, nil
}
return nil, &NotLoadedError{edge: "cars"}
}
// FriendsOrErr returns the Friends value or an error if the edge
// was not loaded in eager-loading.
func (e PetEdges) FriendsOrErr() ([]*Pet, error) {
if e.loadedTypes[2] {
return e.Friends, nil
}
return nil, &NotLoadedError{edge: "friends"}
}
// BestFriendOrErr returns the BestFriend value or an error if the edge
// was not loaded in eager-loading, or loaded but was not found.
func (e PetEdges) BestFriendOrErr() (*Pet, error) {
if e.loadedTypes[3] {
if e.BestFriend == nil {
// The edge best_friend was loaded in eager-loading,
// but was not found.
return nil, &NotFoundError{label: pet.Label}
}
return e.BestFriend, nil
}
return nil, &NotLoadedError{edge: "best_friend"}
}
// scanValues returns the types for scanning values from sql.Rows.
func (*Pet) scanValues(columns []string) ([]interface{}, error) {
values := make([]interface{}, len(columns))
for i := range columns {
switch columns[i] {
case pet.FieldID:
values[i] = new(sql.NullString)
case pet.ForeignKeys[0]: // pet_best_friend
values[i] = new(sql.NullString)
case pet.ForeignKeys[1]: // user_pets
values[i] = new(sql.NullInt64)
default:
return nil, fmt.Errorf("unexpected column %q for type Pet", columns[i])
}
}
return values, nil
}
// assignValues assigns the values that were returned from sql.Rows (after scanning)
// to the Pet fields.
func (pe *Pet) 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 pet.FieldID:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field id", values[i])
} else if value.Valid {
pe.ID = value.String
}
case pet.ForeignKeys[0]:
if value, ok := values[i].(*sql.NullString); !ok {
return fmt.Errorf("unexpected type %T for field pet_best_friend", values[i])
} else if value.Valid {
pe.pet_best_friend = new(string)
*pe.pet_best_friend = value.String
}
case pet.ForeignKeys[1]:
if value, ok := values[i].(*sql.NullInt64); !ok {
return fmt.Errorf("unexpected type %T for edge-field user_pets", value)
} else if value.Valid {
pe.user_pets = new(int)
*pe.user_pets = int(value.Int64)
}
}
}
return nil
}
// QueryOwner queries the "owner" edge of the Pet entity.
func (pe *Pet) QueryOwner() *UserQuery {
return (&PetClient{config: pe.config}).QueryOwner(pe)
}
// QueryCars queries the "cars" edge of the Pet entity.
func (pe *Pet) QueryCars() *CarQuery {
return (&PetClient{config: pe.config}).QueryCars(pe)
}
// QueryFriends queries the "friends" edge of the Pet entity.
func (pe *Pet) QueryFriends() *PetQuery {
return (&PetClient{config: pe.config}).QueryFriends(pe)
}
// QueryBestFriend queries the "best_friend" edge of the Pet entity.
func (pe *Pet) QueryBestFriend() *PetQuery {
return (&PetClient{config: pe.config}).QueryBestFriend(pe)
}
// Update returns a builder for updating this Pet.
// Note that you need to call Pet.Unwrap() before calling this method if this Pet
// was returned from a transaction, and the transaction was committed or rolled back.
func (pe *Pet) Update() *PetUpdateOne {
return (&PetClient{config: pe.config}).UpdateOne(pe)
}
// Unwrap unwraps the Pet 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 (pe *Pet) Unwrap() *Pet {
_tx, ok := pe.config.driver.(*txDriver)
if !ok {
panic("ent: Pet is not a transactional entity")
}
pe.config.driver = _tx.drv
return pe
}
// String implements the fmt.Stringer.
func (pe *Pet) String() string {
var builder strings.Builder
builder.WriteString("Pet(")
builder.WriteString(fmt.Sprintf("id=%v", pe.ID))
builder.WriteByte(')')
return builder.String()
}
// Pets is a parsable slice of Pet.
type Pets []*Pet
func (pe Pets) config(cfg config) {
for _i := range pe {
pe[_i].config = cfg
}
}