/
mutation.go
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/
mutation.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 entc, DO NOT EDIT.
package ent
import (
"context"
"fmt"
"sync"
"github.com/facebookincubator/ent"
)
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 mutate the Users
// nodes in the graph.
type UserMutation struct {
config
op Op
typ string
id *int
clearedFields map[string]struct{}
done bool
oldValue func(context.Context) (*User, error)
}
var _ ent.Mutation = (*UserMutation)(nil)
// userOption allows to manage the mutation configuration using functional options.
type userOption func(*UserMutation)
// newUserMutation creates new mutation for $n.Name.
func newUserMutation(c config, op Op, opts ...userOption) *UserMutation {
m := &UserMutation{
config: c,
op: op,
typ: TypeUser,
clearedFields: make(map[string]struct{}),
}
for _, opt := range opts {
opt(m)
}
return m
}
// 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 = fmt.Errorf("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, fmt.Errorf("ent: mutation is not running in a transaction")
}
tx := &Tx{config: m.config}
tx.init()
return tx, nil
}
// ID returns the id value in the mutation. Note that, the id
// is available only if it was provided to the builder.
func (m *UserMutation) ID() (id int, exists bool) {
if m.id == nil {
return
}
return *m.id, true
}
// Op returns the operation name.
func (m *UserMutation) Op() Op {
return m.op
}
// Type returns the node type of this mutation (User).
func (m *UserMutation) Type() string {
return m.typ
}
// Fields returns all fields that were changed during
// this mutation. Note that, in order to get all numeric
// fields that were in/decremented, call AddedFields().
func (m *UserMutation) Fields() []string {
fields := make([]string, 0, 0)
return fields
}
// Field returns the value of a field with the given name.
// The second boolean value indicates that this field was
// not set, or was not define in the schema.
func (m *UserMutation) Field(name string) (ent.Value, bool) {
return nil, false
}
// 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 was failed.
func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
return nil, fmt.Errorf("unknown User field %s", name)
}
// SetField sets the value for the given name. It returns an
// error if the field is not defined in the schema, or if the
// type mismatch the field type.
func (m *UserMutation) SetField(name string, value ent.Value) error {
switch name {
}
return fmt.Errorf("unknown User field %s", name)
}
// AddedFields returns all numeric fields that were incremented
// or decremented during this mutation.
func (m *UserMutation) AddedFields() []string {
return nil
}
// AddedField returns the numeric value that was in/decremented
// from a field with the given name. The second value indicates
// that this field was not set, or was not define in the schema.
func (m *UserMutation) AddedField(name string) (ent.Value, bool) {
return nil, false
}
// AddField adds the value for the given name. It returns an
// error if the field is not defined in the schema, or if the
// type mismatch the field type.
func (m *UserMutation) AddField(name string, value ent.Value) error {
return fmt.Errorf("unknown User numeric field %s", name)
}
// ClearedFields returns all nullable fields that were cleared
// during this mutation.
func (m *UserMutation) ClearedFields() []string {
return nil
}
// FieldCleared returns a boolean indicates if this field was
// cleared in this mutation.
func (m *UserMutation) FieldCleared(name string) bool {
_, ok := m.clearedFields[name]
return ok
}
// ClearField clears the value for the given name. It returns an
// error if the field is not defined in the schema.
func (m *UserMutation) ClearField(name string) error {
return fmt.Errorf("unknown User nullable field %s", name)
}
// ResetField resets all changes in the mutation regarding the
// given field name. It returns an error if the field is not
// defined in the schema.
func (m *UserMutation) ResetField(name string) error {
return fmt.Errorf("unknown User field %s", name)
}
// AddedEdges returns all edge names that were set/added in this
// mutation.
func (m *UserMutation) AddedEdges() []string {
edges := make([]string, 0, 0)
return edges
}
// AddedIDs returns all ids (to other nodes) that were added for
// the given edge name.
func (m *UserMutation) AddedIDs(name string) []ent.Value {
return nil
}
// RemovedEdges returns all edge names that were removed in this
// mutation.
func (m *UserMutation) RemovedEdges() []string {
edges := make([]string, 0, 0)
return edges
}
// RemovedIDs returns all ids (to other nodes) that were removed for
// the given edge name.
func (m *UserMutation) RemovedIDs(name string) []ent.Value {
return nil
}
// ClearedEdges returns all edge names that were cleared in this
// mutation.
func (m *UserMutation) ClearedEdges() []string {
edges := make([]string, 0, 0)
return edges
}
// EdgeCleared returns a boolean indicates if this edge was
// cleared in this mutation.
func (m *UserMutation) EdgeCleared(name string) bool {
return false
}
// ClearEdge clears the value for the given name. It returns an
// error if the edge name is not defined in the schema.
func (m *UserMutation) ClearEdge(name string) error {
return fmt.Errorf("unknown User unique edge %s", name)
}
// ResetEdge resets all changes in the mutation regarding the
// given edge name. It returns an error if the edge is not
// defined in the schema.
func (m *UserMutation) ResetEdge(name string) error {
return fmt.Errorf("unknown User edge %s", name)
}