// Code generated by ent, DO NOT EDIT.

package ent

import (
	"EnGin/internal/ent/predicate"
	"EnGin/internal/ent/role"
	"EnGin/internal/ent/user"
	"context"
	"errors"
	"fmt"
	"sync"
	"time"

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

const (
	// Operation types.
	OpCreate    = ent.OpCreate
	OpDelete    = ent.OpDelete
	OpDeleteOne = ent.OpDeleteOne
	OpUpdate    = ent.OpUpdate
	OpUpdateOne = ent.OpUpdateOne

	// Node types.
	TypeRole = "Role"
	TypeUser = "User"
)

// RoleMutation represents an operation that mutates the Role nodes in the graph.
type RoleMutation struct {
	config
	op            Op
	typ           string
	id            *int
	code          *int
	addcode       *int
	name          *string
	clearedFields map[string]struct{}
	users         map[int]struct{}
	removedusers  map[int]struct{}
	clearedusers  bool
	done          bool
	oldValue      func(context.Context) (*Role, error)
	predicates    []predicate.Role
}

var _ ent.Mutation = (*RoleMutation)(nil)

// roleOption allows management of the mutation configuration using functional options.
type roleOption func(*RoleMutation)

// newRoleMutation creates new mutation for the Role entity.
func newRoleMutation(c config, op Op, opts ...roleOption) *RoleMutation {
	m := &RoleMutation{
		config:        c,
		op:            op,
		typ:           TypeRole,
		clearedFields: make(map[string]struct{}),
	}
	for _, opt := range opts {
		opt(m)
	}
	return m
}

// withRoleID sets the ID field of the mutation.
func withRoleID(id int) roleOption {
	return func(m *RoleMutation) {
		var (
			err   error
			once  sync.Once
			value *Role
		)
		m.oldValue = func(ctx context.Context) (*Role, error) {
			once.Do(func() {
				if m.done {
					err = errors.New("querying old values post mutation is not allowed")
				} else {
					value, err = m.Client().Role.Get(ctx, id)
				}
			})
			return value, err
		}
		m.id = &id
	}
}

// withRole sets the old Role of the mutation.
func withRole(node *Role) roleOption {
	return func(m *RoleMutation) {
		m.oldValue = func(context.Context) (*Role, 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 RoleMutation) 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 RoleMutation) 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
}

// 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 *RoleMutation) ID() (id int, exists bool) {
	if m.id == nil {
		return
	}
	return *m.id, true
}

// 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 *RoleMutation) 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().Role.Query().Where(m.predicates...).IDs(ctx)
	default:
		return nil, fmt.Errorf("IDs is not allowed on %s operations", m.op)
	}
}

// SetCode sets the "code" field.
func (m *RoleMutation) SetCode(i int) {
	m.code = &i
	m.addcode = nil
}

// Code returns the value of the "code" field in the mutation.
func (m *RoleMutation) Code() (r int, exists bool) {
	v := m.code
	if v == nil {
		return
	}
	return *v, true
}

// OldCode returns the old "code" field's value of the Role entity.
// If the Role 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 *RoleMutation) OldCode(ctx context.Context) (v int, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCode is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCode requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCode: %w", err)
	}
	return oldValue.Code, nil
}

// AddCode adds i to the "code" field.
func (m *RoleMutation) AddCode(i int) {
	if m.addcode != nil {
		*m.addcode += i
	} else {
		m.addcode = &i
	}
}

// AddedCode returns the value that was added to the "code" field in this mutation.
func (m *RoleMutation) AddedCode() (r int, exists bool) {
	v := m.addcode
	if v == nil {
		return
	}
	return *v, true
}

// ResetCode resets all changes to the "code" field.
func (m *RoleMutation) ResetCode() {
	m.code = nil
	m.addcode = nil
}

// SetName sets the "name" field.
func (m *RoleMutation) SetName(s string) {
	m.name = &s
}

// Name returns the value of the "name" field in the mutation.
func (m *RoleMutation) Name() (r string, exists bool) {
	v := m.name
	if v == nil {
		return
	}
	return *v, true
}

// OldName returns the old "name" field's value of the Role entity.
// If the Role 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 *RoleMutation) OldName(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldName is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldName requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldName: %w", err)
	}
	return oldValue.Name, nil
}

// ResetName resets all changes to the "name" field.
func (m *RoleMutation) ResetName() {
	m.name = nil
}

// AddUserIDs adds the "users" edge to the User entity by ids.
func (m *RoleMutation) AddUserIDs(ids ...int) {
	if m.users == nil {
		m.users = make(map[int]struct{})
	}
	for i := range ids {
		m.users[ids[i]] = struct{}{}
	}
}

// ClearUsers clears the "users" edge to the User entity.
func (m *RoleMutation) ClearUsers() {
	m.clearedusers = true
}

// UsersCleared reports if the "users" edge to the User entity was cleared.
func (m *RoleMutation) UsersCleared() bool {
	return m.clearedusers
}

// RemoveUserIDs removes the "users" edge to the User entity by IDs.
func (m *RoleMutation) RemoveUserIDs(ids ...int) {
	if m.removedusers == nil {
		m.removedusers = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.users, ids[i])
		m.removedusers[ids[i]] = struct{}{}
	}
}

// RemovedUsers returns the removed IDs of the "users" edge to the User entity.
func (m *RoleMutation) RemovedUsersIDs() (ids []int) {
	for id := range m.removedusers {
		ids = append(ids, id)
	}
	return
}

// UsersIDs returns the "users" edge IDs in the mutation.
func (m *RoleMutation) UsersIDs() (ids []int) {
	for id := range m.users {
		ids = append(ids, id)
	}
	return
}

// ResetUsers resets all changes to the "users" edge.
func (m *RoleMutation) ResetUsers() {
	m.users = nil
	m.clearedusers = false
	m.removedusers = nil
}

// Where appends a list predicates to the RoleMutation builder.
func (m *RoleMutation) Where(ps ...predicate.Role) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the RoleMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *RoleMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.Role, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *RoleMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *RoleMutation) SetOp(op Op) {
	m.op = op
}

// Type returns the node type of this mutation (Role).
func (m *RoleMutation) 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 incremented/decremented, call
// AddedFields().
func (m *RoleMutation) Fields() []string {
	fields := make([]string, 0, 2)
	if m.code != nil {
		fields = append(fields, role.FieldCode)
	}
	if m.name != nil {
		fields = append(fields, role.FieldName)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *RoleMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case role.FieldCode:
		return m.Code()
	case role.FieldName:
		return m.Name()
	}
	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 failed.
func (m *RoleMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case role.FieldCode:
		return m.OldCode(ctx)
	case role.FieldName:
		return m.OldName(ctx)
	}
	return nil, fmt.Errorf("unknown Role field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *RoleMutation) SetField(name string, value ent.Value) error {
	switch name {
	case role.FieldCode:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCode(v)
		return nil
	case role.FieldName:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetName(v)
		return nil
	}
	return fmt.Errorf("unknown Role field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *RoleMutation) AddedFields() []string {
	var fields []string
	if m.addcode != nil {
		fields = append(fields, role.FieldCode)
	}
	return fields
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *RoleMutation) AddedField(name string) (ent.Value, bool) {
	switch name {
	case role.FieldCode:
		return m.AddedCode()
	}
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *RoleMutation) AddField(name string, value ent.Value) error {
	switch name {
	case role.FieldCode:
		v, ok := value.(int)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.AddCode(v)
		return nil
	}
	return fmt.Errorf("unknown Role numeric field %s", name)
}

// ClearedFields returns all nullable fields that were cleared during this
// mutation.
func (m *RoleMutation) ClearedFields() []string {
	return nil
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *RoleMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *RoleMutation) ClearField(name string) error {
	return fmt.Errorf("unknown Role nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *RoleMutation) ResetField(name string) error {
	switch name {
	case role.FieldCode:
		m.ResetCode()
		return nil
	case role.FieldName:
		m.ResetName()
		return nil
	}
	return fmt.Errorf("unknown Role field %s", name)
}

// AddedEdges returns all edge names that were set/added in this mutation.
func (m *RoleMutation) AddedEdges() []string {
	edges := make([]string, 0, 1)
	if m.users != nil {
		edges = append(edges, role.EdgeUsers)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *RoleMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case role.EdgeUsers:
		ids := make([]ent.Value, 0, len(m.users))
		for id := range m.users {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *RoleMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	if m.removedusers != nil {
		edges = append(edges, role.EdgeUsers)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *RoleMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case role.EdgeUsers:
		ids := make([]ent.Value, 0, len(m.removedusers))
		for id := range m.removedusers {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *RoleMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedusers {
		edges = append(edges, role.EdgeUsers)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *RoleMutation) EdgeCleared(name string) bool {
	switch name {
	case role.EdgeUsers:
		return m.clearedusers
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *RoleMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown Role unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *RoleMutation) ResetEdge(name string) error {
	switch name {
	case role.EdgeUsers:
		m.ResetUsers()
		return nil
	}
	return fmt.Errorf("unknown Role edge %s", name)
}

// UserMutation represents an operation that mutates the User nodes in the graph.
type UserMutation struct {
	config
	op            Op
	typ           string
	id            *int
	created_at    *time.Time
	updated_at    *time.Time
	username      *string
	password      *string
	nickname      *string
	email         *string
	ip            *string
	addr          *string
	clearedFields map[string]struct{}
	roles         map[int]struct{}
	removedroles  map[int]struct{}
	clearedroles  bool
	done          bool
	oldValue      func(context.Context) (*User, error)
	predicates    []predicate.User
}

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{
		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 = 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
}

// 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
}

// 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)
	}
}

// SetCreatedAt sets the "created_at" field.
func (m *UserMutation) SetCreatedAt(t time.Time) {
	m.created_at = &t
}

// CreatedAt returns the value of the "created_at" field in the mutation.
func (m *UserMutation) CreatedAt() (r time.Time, exists bool) {
	v := m.created_at
	if v == nil {
		return
	}
	return *v, true
}

// OldCreatedAt returns the old "created_at" 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) OldCreatedAt(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldCreatedAt is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldCreatedAt requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldCreatedAt: %w", err)
	}
	return oldValue.CreatedAt, nil
}

// ResetCreatedAt resets all changes to the "created_at" field.
func (m *UserMutation) ResetCreatedAt() {
	m.created_at = nil
}

// SetUpdatedAt sets the "updated_at" field.
func (m *UserMutation) SetUpdatedAt(t time.Time) {
	m.updated_at = &t
}

// UpdatedAt returns the value of the "updated_at" field in the mutation.
func (m *UserMutation) UpdatedAt() (r time.Time, exists bool) {
	v := m.updated_at
	if v == nil {
		return
	}
	return *v, true
}

// OldUpdatedAt returns the old "updated_at" 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) OldUpdatedAt(ctx context.Context) (v time.Time, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldUpdatedAt is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldUpdatedAt requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldUpdatedAt: %w", err)
	}
	return oldValue.UpdatedAt, nil
}

// ResetUpdatedAt resets all changes to the "updated_at" field.
func (m *UserMutation) ResetUpdatedAt() {
	m.updated_at = nil
}

// SetUsername sets the "username" field.
func (m *UserMutation) SetUsername(s string) {
	m.username = &s
}

// Username returns the value of the "username" field in the mutation.
func (m *UserMutation) Username() (r string, exists bool) {
	v := m.username
	if v == nil {
		return
	}
	return *v, true
}

// OldUsername returns the old "username" 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) OldUsername(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldUsername is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldUsername requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldUsername: %w", err)
	}
	return oldValue.Username, nil
}

// ResetUsername resets all changes to the "username" field.
func (m *UserMutation) ResetUsername() {
	m.username = nil
}

// SetPassword sets the "password" field.
func (m *UserMutation) SetPassword(s string) {
	m.password = &s
}

// Password returns the value of the "password" field in the mutation.
func (m *UserMutation) Password() (r string, exists bool) {
	v := m.password
	if v == nil {
		return
	}
	return *v, true
}

// OldPassword returns the old "password" 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) OldPassword(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldPassword is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldPassword requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldPassword: %w", err)
	}
	return oldValue.Password, nil
}

// ResetPassword resets all changes to the "password" field.
func (m *UserMutation) ResetPassword() {
	m.password = nil
}

// SetNickname sets the "nickname" field.
func (m *UserMutation) SetNickname(s string) {
	m.nickname = &s
}

// Nickname returns the value of the "nickname" field in the mutation.
func (m *UserMutation) Nickname() (r string, exists bool) {
	v := m.nickname
	if v == nil {
		return
	}
	return *v, true
}

// OldNickname returns the old "nickname" 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) OldNickname(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldNickname is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldNickname requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldNickname: %w", err)
	}
	return oldValue.Nickname, nil
}

// ClearNickname clears the value of the "nickname" field.
func (m *UserMutation) ClearNickname() {
	m.nickname = nil
	m.clearedFields[user.FieldNickname] = struct{}{}
}

// NicknameCleared returns if the "nickname" field was cleared in this mutation.
func (m *UserMutation) NicknameCleared() bool {
	_, ok := m.clearedFields[user.FieldNickname]
	return ok
}

// ResetNickname resets all changes to the "nickname" field.
func (m *UserMutation) ResetNickname() {
	m.nickname = nil
	delete(m.clearedFields, user.FieldNickname)
}

// SetEmail sets the "email" field.
func (m *UserMutation) SetEmail(s string) {
	m.email = &s
}

// Email returns the value of the "email" field in the mutation.
func (m *UserMutation) Email() (r string, exists bool) {
	v := m.email
	if v == nil {
		return
	}
	return *v, true
}

// OldEmail returns the old "email" 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) OldEmail(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldEmail is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldEmail requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldEmail: %w", err)
	}
	return oldValue.Email, nil
}

// ClearEmail clears the value of the "email" field.
func (m *UserMutation) ClearEmail() {
	m.email = nil
	m.clearedFields[user.FieldEmail] = struct{}{}
}

// EmailCleared returns if the "email" field was cleared in this mutation.
func (m *UserMutation) EmailCleared() bool {
	_, ok := m.clearedFields[user.FieldEmail]
	return ok
}

// ResetEmail resets all changes to the "email" field.
func (m *UserMutation) ResetEmail() {
	m.email = nil
	delete(m.clearedFields, user.FieldEmail)
}

// SetIP sets the "ip" field.
func (m *UserMutation) SetIP(s string) {
	m.ip = &s
}

// IP returns the value of the "ip" field in the mutation.
func (m *UserMutation) IP() (r string, exists bool) {
	v := m.ip
	if v == nil {
		return
	}
	return *v, true
}

// OldIP returns the old "ip" 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) OldIP(ctx context.Context) (v string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldIP is only allowed on UpdateOne operations")
	}
	if m.id == nil || m.oldValue == nil {
		return v, errors.New("OldIP requires an ID field in the mutation")
	}
	oldValue, err := m.oldValue(ctx)
	if err != nil {
		return v, fmt.Errorf("querying old value for OldIP: %w", err)
	}
	return oldValue.IP, nil
}

// ClearIP clears the value of the "ip" field.
func (m *UserMutation) ClearIP() {
	m.ip = nil
	m.clearedFields[user.FieldIP] = struct{}{}
}

// IPCleared returns if the "ip" field was cleared in this mutation.
func (m *UserMutation) IPCleared() bool {
	_, ok := m.clearedFields[user.FieldIP]
	return ok
}

// ResetIP resets all changes to the "ip" field.
func (m *UserMutation) ResetIP() {
	m.ip = nil
	delete(m.clearedFields, user.FieldIP)
}

// SetAddr sets the "addr" field.
func (m *UserMutation) SetAddr(s string) {
	m.addr = &s
}

// Addr returns the value of the "addr" field in the mutation.
func (m *UserMutation) Addr() (r string, exists bool) {
	v := m.addr
	if v == nil {
		return
	}
	return *v, true
}

// 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 string, err error) {
	if !m.op.Is(OpUpdateOne) {
		return v, errors.New("OldAddr is only allowed on UpdateOne operations")
	}
	if m.id == nil || 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
}

// ClearAddr clears the value of the "addr" field.
func (m *UserMutation) ClearAddr() {
	m.addr = nil
	m.clearedFields[user.FieldAddr] = struct{}{}
}

// AddrCleared returns if the "addr" field was cleared in this mutation.
func (m *UserMutation) AddrCleared() bool {
	_, ok := m.clearedFields[user.FieldAddr]
	return ok
}

// ResetAddr resets all changes to the "addr" field.
func (m *UserMutation) ResetAddr() {
	m.addr = nil
	delete(m.clearedFields, user.FieldAddr)
}

// AddRoleIDs adds the "roles" edge to the Role entity by ids.
func (m *UserMutation) AddRoleIDs(ids ...int) {
	if m.roles == nil {
		m.roles = make(map[int]struct{})
	}
	for i := range ids {
		m.roles[ids[i]] = struct{}{}
	}
}

// ClearRoles clears the "roles" edge to the Role entity.
func (m *UserMutation) ClearRoles() {
	m.clearedroles = true
}

// RolesCleared reports if the "roles" edge to the Role entity was cleared.
func (m *UserMutation) RolesCleared() bool {
	return m.clearedroles
}

// RemoveRoleIDs removes the "roles" edge to the Role entity by IDs.
func (m *UserMutation) RemoveRoleIDs(ids ...int) {
	if m.removedroles == nil {
		m.removedroles = make(map[int]struct{})
	}
	for i := range ids {
		delete(m.roles, ids[i])
		m.removedroles[ids[i]] = struct{}{}
	}
}

// RemovedRoles returns the removed IDs of the "roles" edge to the Role entity.
func (m *UserMutation) RemovedRolesIDs() (ids []int) {
	for id := range m.removedroles {
		ids = append(ids, id)
	}
	return
}

// RolesIDs returns the "roles" edge IDs in the mutation.
func (m *UserMutation) RolesIDs() (ids []int) {
	for id := range m.roles {
		ids = append(ids, id)
	}
	return
}

// ResetRoles resets all changes to the "roles" edge.
func (m *UserMutation) ResetRoles() {
	m.roles = nil
	m.clearedroles = false
	m.removedroles = nil
}

// Where appends a list predicates to the UserMutation builder.
func (m *UserMutation) Where(ps ...predicate.User) {
	m.predicates = append(m.predicates, ps...)
}

// WhereP appends storage-level predicates to the UserMutation builder. Using this method,
// users can use type-assertion to append predicates that do not depend on any generated package.
func (m *UserMutation) WhereP(ps ...func(*sql.Selector)) {
	p := make([]predicate.User, len(ps))
	for i := range ps {
		p[i] = ps[i]
	}
	m.Where(p...)
}

// Op returns the operation name.
func (m *UserMutation) Op() Op {
	return m.op
}

// SetOp allows setting the mutation operation.
func (m *UserMutation) SetOp(op Op) {
	m.op = 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 incremented/decremented, call
// AddedFields().
func (m *UserMutation) Fields() []string {
	fields := make([]string, 0, 8)
	if m.created_at != nil {
		fields = append(fields, user.FieldCreatedAt)
	}
	if m.updated_at != nil {
		fields = append(fields, user.FieldUpdatedAt)
	}
	if m.username != nil {
		fields = append(fields, user.FieldUsername)
	}
	if m.password != nil {
		fields = append(fields, user.FieldPassword)
	}
	if m.nickname != nil {
		fields = append(fields, user.FieldNickname)
	}
	if m.email != nil {
		fields = append(fields, user.FieldEmail)
	}
	if m.ip != nil {
		fields = append(fields, user.FieldIP)
	}
	if m.addr != nil {
		fields = append(fields, user.FieldAddr)
	}
	return fields
}

// Field returns the value of a field with the given name. The second boolean
// return value indicates that this field was not set, or was not defined in the
// schema.
func (m *UserMutation) Field(name string) (ent.Value, bool) {
	switch name {
	case user.FieldCreatedAt:
		return m.CreatedAt()
	case user.FieldUpdatedAt:
		return m.UpdatedAt()
	case user.FieldUsername:
		return m.Username()
	case user.FieldPassword:
		return m.Password()
	case user.FieldNickname:
		return m.Nickname()
	case user.FieldEmail:
		return m.Email()
	case user.FieldIP:
		return m.IP()
	case user.FieldAddr:
		return m.Addr()
	}
	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 failed.
func (m *UserMutation) OldField(ctx context.Context, name string) (ent.Value, error) {
	switch name {
	case user.FieldCreatedAt:
		return m.OldCreatedAt(ctx)
	case user.FieldUpdatedAt:
		return m.OldUpdatedAt(ctx)
	case user.FieldUsername:
		return m.OldUsername(ctx)
	case user.FieldPassword:
		return m.OldPassword(ctx)
	case user.FieldNickname:
		return m.OldNickname(ctx)
	case user.FieldEmail:
		return m.OldEmail(ctx)
	case user.FieldIP:
		return m.OldIP(ctx)
	case user.FieldAddr:
		return m.OldAddr(ctx)
	}
	return nil, fmt.Errorf("unknown User field %s", name)
}

// SetField sets the value of a field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *UserMutation) SetField(name string, value ent.Value) error {
	switch name {
	case user.FieldCreatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetCreatedAt(v)
		return nil
	case user.FieldUpdatedAt:
		v, ok := value.(time.Time)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUpdatedAt(v)
		return nil
	case user.FieldUsername:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetUsername(v)
		return nil
	case user.FieldPassword:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetPassword(v)
		return nil
	case user.FieldNickname:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetNickname(v)
		return nil
	case user.FieldEmail:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetEmail(v)
		return nil
	case user.FieldIP:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetIP(v)
		return nil
	case user.FieldAddr:
		v, ok := value.(string)
		if !ok {
			return fmt.Errorf("unexpected type %T for field %s", value, name)
		}
		m.SetAddr(v)
		return nil
	}
	return fmt.Errorf("unknown User field %s", name)
}

// AddedFields returns all numeric fields that were incremented/decremented during
// this mutation.
func (m *UserMutation) AddedFields() []string {
	return nil
}

// AddedField returns the numeric value that was incremented/decremented on a field
// with the given name. The second boolean return value indicates that this field
// was not set, or was not defined in the schema.
func (m *UserMutation) AddedField(name string) (ent.Value, bool) {
	return nil, false
}

// AddField adds the value to the field with the given name. It returns an error if
// the field is not defined in the schema, or if the type mismatched the field
// type.
func (m *UserMutation) AddField(name string, value ent.Value) error {
	switch name {
	}
	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 {
	var fields []string
	if m.FieldCleared(user.FieldNickname) {
		fields = append(fields, user.FieldNickname)
	}
	if m.FieldCleared(user.FieldEmail) {
		fields = append(fields, user.FieldEmail)
	}
	if m.FieldCleared(user.FieldIP) {
		fields = append(fields, user.FieldIP)
	}
	if m.FieldCleared(user.FieldAddr) {
		fields = append(fields, user.FieldAddr)
	}
	return fields
}

// FieldCleared returns a boolean indicating if a field with the given name was
// cleared in this mutation.
func (m *UserMutation) FieldCleared(name string) bool {
	_, ok := m.clearedFields[name]
	return ok
}

// ClearField clears the value of the field with the given name. It returns an
// error if the field is not defined in the schema.
func (m *UserMutation) ClearField(name string) error {
	switch name {
	case user.FieldNickname:
		m.ClearNickname()
		return nil
	case user.FieldEmail:
		m.ClearEmail()
		return nil
	case user.FieldIP:
		m.ClearIP()
		return nil
	case user.FieldAddr:
		m.ClearAddr()
		return nil
	}
	return fmt.Errorf("unknown User nullable field %s", name)
}

// ResetField resets all changes in the mutation for the field with the given name.
// It returns an error if the field is not defined in the schema.
func (m *UserMutation) ResetField(name string) error {
	switch name {
	case user.FieldCreatedAt:
		m.ResetCreatedAt()
		return nil
	case user.FieldUpdatedAt:
		m.ResetUpdatedAt()
		return nil
	case user.FieldUsername:
		m.ResetUsername()
		return nil
	case user.FieldPassword:
		m.ResetPassword()
		return nil
	case user.FieldNickname:
		m.ResetNickname()
		return nil
	case user.FieldEmail:
		m.ResetEmail()
		return nil
	case user.FieldIP:
		m.ResetIP()
		return nil
	case user.FieldAddr:
		m.ResetAddr()
		return nil
	}
	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, 1)
	if m.roles != nil {
		edges = append(edges, user.EdgeRoles)
	}
	return edges
}

// AddedIDs returns all IDs (to other nodes) that were added for the given edge
// name in this mutation.
func (m *UserMutation) AddedIDs(name string) []ent.Value {
	switch name {
	case user.EdgeRoles:
		ids := make([]ent.Value, 0, len(m.roles))
		for id := range m.roles {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// RemovedEdges returns all edge names that were removed in this mutation.
func (m *UserMutation) RemovedEdges() []string {
	edges := make([]string, 0, 1)
	if m.removedroles != nil {
		edges = append(edges, user.EdgeRoles)
	}
	return edges
}

// RemovedIDs returns all IDs (to other nodes) that were removed for the edge with
// the given name in this mutation.
func (m *UserMutation) RemovedIDs(name string) []ent.Value {
	switch name {
	case user.EdgeRoles:
		ids := make([]ent.Value, 0, len(m.removedroles))
		for id := range m.removedroles {
			ids = append(ids, id)
		}
		return ids
	}
	return nil
}

// ClearedEdges returns all edge names that were cleared in this mutation.
func (m *UserMutation) ClearedEdges() []string {
	edges := make([]string, 0, 1)
	if m.clearedroles {
		edges = append(edges, user.EdgeRoles)
	}
	return edges
}

// EdgeCleared returns a boolean which indicates if the edge with the given name
// was cleared in this mutation.
func (m *UserMutation) EdgeCleared(name string) bool {
	switch name {
	case user.EdgeRoles:
		return m.clearedroles
	}
	return false
}

// ClearEdge clears the value of the edge with the given name. It returns an error
// if that edge is not defined in the schema.
func (m *UserMutation) ClearEdge(name string) error {
	switch name {
	}
	return fmt.Errorf("unknown User unique edge %s", name)
}

// ResetEdge resets all changes to the edge with the given name in this mutation.
// It returns an error if the edge is not defined in the schema.
func (m *UserMutation) ResetEdge(name string) error {
	switch name {
	case user.EdgeRoles:
		m.ResetRoles()
		return nil
	}
	return fmt.Errorf("unknown User edge %s", name)
}