312 lines
8.1 KiB
Go
312 lines
8.1 KiB
Go
// Copyright 2019-present Facebook Inc. All rights reserved.
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// This source code is licensed under the Apache 2.0 license found
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// in the LICENSE file in the root directory of this source tree.
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// Code generated by ent, DO NOT EDIT.
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package ent
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import (
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"context"
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"errors"
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"fmt"
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"entgo.io/ent/dialect/gremlin"
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"entgo.io/ent/dialect/gremlin/graph/dsl"
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"entgo.io/ent/dialect/gremlin/graph/dsl/__"
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"entgo.io/ent/dialect/gremlin/graph/dsl/g"
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"entgo.io/ent/dialect/gremlin/graph/dsl/p"
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"entgo.io/ent/entc/integration/gremlin/ent/item"
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"entgo.io/ent/entc/integration/gremlin/ent/predicate"
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)
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// ItemUpdate is the builder for updating Item entities.
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type ItemUpdate struct {
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config
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hooks []Hook
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mutation *ItemMutation
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}
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// Where appends a list predicates to the ItemUpdate builder.
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func (_u *ItemUpdate) Where(ps ...predicate.Item) *ItemUpdate {
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_u.mutation.Where(ps...)
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return _u
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}
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// SetText sets the "text" field.
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func (_u *ItemUpdate) SetText(v string) *ItemUpdate {
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_u.mutation.SetText(v)
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return _u
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}
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// SetNillableText sets the "text" field if the given value is not nil.
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func (_u *ItemUpdate) SetNillableText(v *string) *ItemUpdate {
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if v != nil {
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_u.SetText(*v)
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}
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return _u
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}
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// ClearText clears the value of the "text" field.
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func (_u *ItemUpdate) ClearText() *ItemUpdate {
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_u.mutation.ClearText()
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return _u
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}
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// Mutation returns the ItemMutation object of the builder.
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func (_u *ItemUpdate) Mutation() *ItemMutation {
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return _u.mutation
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}
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// Save executes the query and returns the number of nodes affected by the update operation.
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func (_u *ItemUpdate) Save(ctx context.Context) (int, error) {
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return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
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}
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// SaveX is like Save, but panics if an error occurs.
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func (_u *ItemUpdate) SaveX(ctx context.Context) int {
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affected, err := _u.Save(ctx)
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if err != nil {
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panic(err)
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}
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return affected
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}
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// Exec executes the query.
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func (_u *ItemUpdate) Exec(ctx context.Context) error {
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_, err := _u.Save(ctx)
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return err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_u *ItemUpdate) ExecX(ctx context.Context) {
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if err := _u.Exec(ctx); err != nil {
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panic(err)
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}
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}
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// check runs all checks and user-defined validators on the builder.
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func (_u *ItemUpdate) check() error {
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if v, ok := _u.mutation.Text(); ok {
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if err := item.TextValidator(v); err != nil {
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return &ValidationError{Name: "text", err: fmt.Errorf(`ent: validator failed for field "Item.text": %w`, err)}
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}
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}
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return nil
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}
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func (_u *ItemUpdate) gremlinSave(ctx context.Context) (int, error) {
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if err := _u.check(); err != nil {
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return 0, err
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}
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res := &gremlin.Response{}
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query, bindings := _u.gremlin().Query()
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if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
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return 0, err
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}
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if err, ok := isConstantError(res); ok {
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return 0, err
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}
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_u.mutation.done = true
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return res.ReadInt()
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}
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func (_u *ItemUpdate) gremlin() *dsl.Traversal {
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type constraint struct {
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pred *dsl.Traversal // constraint predicate.
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test *dsl.Traversal // test matches and its constant.
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}
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constraints := make([]*constraint, 0, 1)
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v := g.V().HasLabel(item.Label)
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for _, p := range _u.mutation.Predicates() {
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p(v)
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}
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var (
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rv = v.Clone()
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_ = rv
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trs []*dsl.Traversal
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)
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if value, ok := _u.mutation.Text(); ok {
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constraints = append(constraints, &constraint{
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pred: g.V().Has(item.Label, item.FieldText, value).Count(),
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test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(item.Label, item.FieldText, value)),
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})
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v.Property(dsl.Single, item.FieldText, value)
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}
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var properties []any
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if _u.mutation.TextCleared() {
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properties = append(properties, item.FieldText)
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}
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if len(properties) > 0 {
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v.SideEffect(__.Properties(properties...).Drop())
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}
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v.Count()
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if len(constraints) > 0 {
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constraints = append(constraints, &constraint{
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pred: rv.Count(),
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test: __.Is(p.GT(1)).Constant(&ConstraintError{msg: "update traversal contains more than one vertex"}),
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})
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v = constraints[0].pred.Coalesce(constraints[0].test, v)
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for _, cr := range constraints[1:] {
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v = cr.pred.Coalesce(cr.test, v)
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}
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}
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trs = append(trs, v)
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return dsl.Join(trs...)
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}
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// ItemUpdateOne is the builder for updating a single Item entity.
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type ItemUpdateOne struct {
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config
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fields []string
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hooks []Hook
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mutation *ItemMutation
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}
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// SetText sets the "text" field.
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func (_u *ItemUpdateOne) SetText(v string) *ItemUpdateOne {
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_u.mutation.SetText(v)
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return _u
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}
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// SetNillableText sets the "text" field if the given value is not nil.
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func (_u *ItemUpdateOne) SetNillableText(v *string) *ItemUpdateOne {
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if v != nil {
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_u.SetText(*v)
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}
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return _u
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}
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// ClearText clears the value of the "text" field.
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func (_u *ItemUpdateOne) ClearText() *ItemUpdateOne {
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_u.mutation.ClearText()
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return _u
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}
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// Mutation returns the ItemMutation object of the builder.
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func (_u *ItemUpdateOne) Mutation() *ItemMutation {
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return _u.mutation
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}
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// Where appends a list predicates to the ItemUpdate builder.
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func (_u *ItemUpdateOne) Where(ps ...predicate.Item) *ItemUpdateOne {
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_u.mutation.Where(ps...)
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return _u
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}
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// Select allows selecting one or more fields (columns) of the returned entity.
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// The default is selecting all fields defined in the entity schema.
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func (_u *ItemUpdateOne) Select(field string, fields ...string) *ItemUpdateOne {
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_u.fields = append([]string{field}, fields...)
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return _u
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}
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// Save executes the query and returns the updated Item entity.
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func (_u *ItemUpdateOne) Save(ctx context.Context) (*Item, error) {
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return withHooks(ctx, _u.gremlinSave, _u.mutation, _u.hooks)
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}
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// SaveX is like Save, but panics if an error occurs.
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func (_u *ItemUpdateOne) SaveX(ctx context.Context) *Item {
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node, err := _u.Save(ctx)
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if err != nil {
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panic(err)
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}
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return node
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}
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// Exec executes the query on the entity.
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func (_u *ItemUpdateOne) Exec(ctx context.Context) error {
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_, err := _u.Save(ctx)
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return err
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_u *ItemUpdateOne) ExecX(ctx context.Context) {
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if err := _u.Exec(ctx); err != nil {
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panic(err)
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}
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}
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// check runs all checks and user-defined validators on the builder.
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func (_u *ItemUpdateOne) check() error {
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if v, ok := _u.mutation.Text(); ok {
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if err := item.TextValidator(v); err != nil {
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return &ValidationError{Name: "text", err: fmt.Errorf(`ent: validator failed for field "Item.text": %w`, err)}
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}
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}
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return nil
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}
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func (_u *ItemUpdateOne) gremlinSave(ctx context.Context) (*Item, error) {
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if err := _u.check(); err != nil {
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return nil, err
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}
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res := &gremlin.Response{}
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id, ok := _u.mutation.ID()
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if !ok {
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return nil, &ValidationError{Name: "id", err: errors.New(`ent: missing "Item.id" for update`)}
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}
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query, bindings := _u.gremlin(id).Query()
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if err := _u.driver.Exec(ctx, query, bindings, res); err != nil {
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return nil, err
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}
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if err, ok := isConstantError(res); ok {
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return nil, err
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}
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_u.mutation.done = true
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_m := &Item{config: _u.config}
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if err := _m.FromResponse(res); err != nil {
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return nil, err
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}
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return _m, nil
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}
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func (_u *ItemUpdateOne) gremlin(id string) *dsl.Traversal {
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type constraint struct {
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pred *dsl.Traversal // constraint predicate.
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test *dsl.Traversal // test matches and its constant.
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}
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constraints := make([]*constraint, 0, 1)
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v := g.V(id)
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var (
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rv = v.Clone()
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_ = rv
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trs []*dsl.Traversal
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)
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if value, ok := _u.mutation.Text(); ok {
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constraints = append(constraints, &constraint{
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pred: g.V().Has(item.Label, item.FieldText, value).Count(),
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test: __.Is(p.NEQ(0)).Constant(NewErrUniqueField(item.Label, item.FieldText, value)),
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})
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v.Property(dsl.Single, item.FieldText, value)
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}
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var properties []any
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if _u.mutation.TextCleared() {
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properties = append(properties, item.FieldText)
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}
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if len(properties) > 0 {
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v.SideEffect(__.Properties(properties...).Drop())
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}
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if len(_u.fields) > 0 {
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fields := make([]any, 0, len(_u.fields)+1)
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fields = append(fields, true)
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for _, f := range _u.fields {
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fields = append(fields, f)
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}
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v.ValueMap(fields...)
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} else {
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v.ValueMap(true)
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}
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if len(constraints) > 0 {
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v = constraints[0].pred.Coalesce(constraints[0].test, v)
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for _, cr := range constraints[1:] {
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v = cr.pred.Coalesce(cr.test, v)
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}
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}
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trs = append(trs, v)
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return dsl.Join(trs...)
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}
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