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upstream-ent/entc/integration/json/ent/mutation.go
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395 lines
14 KiB
Go

// 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"
"encoding/json"
"errors"
"fmt"
"net/http"
"net/url"
"sync"
"entgo.io/ent"
"entgo.io/ent/entc/integration/json/ent/schema"
"entgo.io/ent/entc/integration/json/ent/user"
)
const (
// Operation types.
OpCreate = ent.OpCreate
OpDelete = ent.OpDelete
OpDeleteOne = ent.OpDeleteOne
OpUpdate = ent.OpUpdate
OpUpdateOne = ent.OpUpdateOne
// Node types.
TypeUser = "User"
)
// UserMutation represents an operation that mutates the User nodes in the graph.
type UserMutation struct {
user.Mutation
config
id *int
done bool
oldValue func(context.Context) (*User, error)
}
var _ ent.Mutation = (*UserMutation)(nil)
// userOption allows management of the mutation configuration using functional options.
type userOption func(*UserMutation)
// newUserMutation creates new mutation for the User entity.
func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
m := &UserMutation{
Mutation: *user.NewMutation(op),
config: c,
}
for _, opt := range opts {
opt(m)
}
return m
}
// ID returns the ID value in the mutation. Note that the ID is only available
// if it was provided to the builder or after it was returned from the database.
func (m *UserMutation) ID() (id int, exists bool) {
if m.id == nil {
return
}
return *m.id, true
}
// withUserID sets the ID field of the mutation.
func withUserID(id int) userOption {
return func(m *UserMutation) {
var (
err error
once sync.Once
value *User
)
m.oldValue = func(ctx context.Context) (*User, error) {
once.Do(func() {
if m.done {
err = errors.New("querying old values post mutation is not allowed")
} else {
value, err = m.Client().User.Get(ctx, id)
}
})
return value, err
}
m.id = &id
}
}
// withUser sets the old User of the mutation.
func withUser(node *User) userOption {
return func(m *UserMutation) {
m.oldValue = func(context.Context) (*User, error) {
return node, nil
}
m.id = &node.ID
}
}
// Client returns a new `ent.Client` from the mutation. If the mutation was
// executed in a transaction (ent.Tx), a transactional client is returned.
func (m UserMutation) Client() *Client {
client := &Client{config: m.config}
client.init()
return client
}
// Tx returns an `ent.Tx` for mutations that were executed in transactions;
// it returns an error otherwise.
func (m UserMutation) Tx() (*Tx, error) {
if _, ok := m.driver.(*txDriver); !ok {
return nil, errors.New("ent: mutation is not running in a transaction")
}
tx := &Tx{config: m.config}
tx.init()
return tx, nil
}
// IDs queries the database and returns the entity ids that match the mutation's predicate.
// That means, if the mutation is applied within a transaction with an isolation level such
// as sql.LevelSerializable, the returned ids match the ids of the rows that will be updated
// or updated by the mutation.
func (m *UserMutation) IDs(ctx context.Context) ([]int, error) {
switch {
case m.Op().Is(OpUpdateOne | OpDeleteOne):
id, exists := m.ID()
if exists {
return []int{id}, nil
}
fallthrough
case m.Op().Is(OpUpdate | OpDelete):
return m.Client().User.Query().Where(m.Predicates()...).IDs(ctx)
default:
return nil, fmt.Errorf("IDs is not allowed on %s operations", m.Op())
}
}
// OldT returns the old "t" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldT(ctx context.Context) (v *schema.T, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldT is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldT requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldT: %w", err)
}
return oldValue.T, nil
}
// OldURL returns the old "url" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldURL(ctx context.Context) (v *url.URL, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldURL is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldURL requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldURL: %w", err)
}
return oldValue.URL, nil
}
// OldURLs returns the old "URLs" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldURLs(ctx context.Context) (v []*url.URL, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldURLs is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldURLs requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldURLs: %w", err)
}
return oldValue.URLs, nil
}
// OldRaw returns the old "raw" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldRaw(ctx context.Context) (v json.RawMessage, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldRaw is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldRaw requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldRaw: %w", err)
}
return oldValue.Raw, nil
}
// OldDirs returns the old "dirs" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldDirs(ctx context.Context) (v []http.Dir, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldDirs is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldDirs requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldDirs: %w", err)
}
return oldValue.Dirs, nil
}
// OldInts returns the old "ints" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldInts(ctx context.Context) (v []int, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldInts is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldInts requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldInts: %w", err)
}
return oldValue.Ints, nil
}
// OldFloats returns the old "floats" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldFloats(ctx context.Context) (v []float64, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldFloats is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldFloats requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldFloats: %w", err)
}
return oldValue.Floats, nil
}
// OldStrings returns the old "strings" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldStrings(ctx context.Context) (v []string, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldStrings is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldStrings requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldStrings: %w", err)
}
return oldValue.Strings, nil
}
// OldIntsValidate returns the old "ints_validate" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldIntsValidate(ctx context.Context) (v []int, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldIntsValidate is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldIntsValidate requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldIntsValidate: %w", err)
}
return oldValue.IntsValidate, nil
}
// OldFloatsValidate returns the old "floats_validate" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldFloatsValidate(ctx context.Context) (v []float64, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldFloatsValidate is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldFloatsValidate requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldFloatsValidate: %w", err)
}
return oldValue.FloatsValidate, nil
}
// OldStringsValidate returns the old "strings_validate" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldStringsValidate(ctx context.Context) (v []string, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldStringsValidate is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldStringsValidate requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldStringsValidate: %w", err)
}
return oldValue.StringsValidate, nil
}
// OldAddr returns the old "addr" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldAddr(ctx context.Context) (v schema.Addr, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldAddr is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldAddr requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldAddr: %w", err)
}
return oldValue.Addr, nil
}
// OldUnknown returns the old "unknown" field's value of the User entity.
// If the User object wasn't provided to the builder, the object is fetched from the database.
// An error is returned if the mutation operation is not UpdateOne, or the database query fails.
func (m *UserMutation) OldUnknown(ctx context.Context) (v any, err error) {
if !m.Op().Is(OpUpdateOne) {
return v, errors.New("OldUnknown is only allowed on UpdateOne operations")
}
if _, exists := m.ID(); !exists || m.oldValue == nil {
return v, errors.New("OldUnknown requires an ID field in the mutation")
}
oldValue, err := m.oldValue(ctx)
if err != nil {
return v, fmt.Errorf("querying old value for OldUnknown: %w", err)
}
return oldValue.Unknown, nil
}
// OldField returns the old value of the field from the database. An error is
// returned if the mutation operation is not UpdateOne, or the query to the
// database failed.
func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
switch name {
case user.FieldT:
return m.OldT(ctx)
case user.FieldURL:
return m.OldURL(ctx)
case user.FieldURLs:
return m.OldURLs(ctx)
case user.FieldRaw:
return m.OldRaw(ctx)
case user.FieldDirs:
return m.OldDirs(ctx)
case user.FieldInts:
return m.OldInts(ctx)
case user.FieldFloats:
return m.OldFloats(ctx)
case user.FieldStrings:
return m.OldStrings(ctx)
case user.FieldIntsValidate:
return m.OldIntsValidate(ctx)
case user.FieldFloatsValidate:
return m.OldFloatsValidate(ctx)
case user.FieldStringsValidate:
return m.OldStringsValidate(ctx)
case user.FieldAddr:
return m.OldAddr(ctx)
case user.FieldUnknown:
return m.OldUnknown(ctx)
}
return nil, fmt.Errorf("unknown User field %s", name)
}