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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"
"github.com/facebook/ent/dialect/gremlin"
"github.com/facebook/ent/dialect/gremlin/graph/dsl"
"github.com/facebook/ent/dialect/gremlin/graph/dsl/__"
"github.com/facebook/ent/dialect/gremlin/graph/dsl/g"
"github.com/facebook/ent/entc/integration/gremlin/ent/groupinfo"
"github.com/facebook/ent/entc/integration/gremlin/ent/predicate"
)
// GroupInfoDelete is the builder for deleting a GroupInfo entity.
type GroupInfoDelete struct {
config
hooks []Hook
mutation *GroupInfoMutation
}
// Where adds a new predicate to the GroupInfoDelete builder.
func (gid *GroupInfoDelete) Where(ps ...predicate.GroupInfo) *GroupInfoDelete {
gid.mutation.predicates = append(gid.mutation.predicates, ps...)
return gid
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (gid *GroupInfoDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(gid.hooks) == 0 {
affected, err = gid.gremlinExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*GroupInfoMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
gid.mutation = mutation
affected, err = gid.gremlinExec(ctx)
mutation.done = true
return affected, err
})
for i := len(gid.hooks) - 1; i >= 0; i-- {
mut = gid.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, gid.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (gid *GroupInfoDelete) ExecX(ctx context.Context) int {
n, err := gid.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (gid *GroupInfoDelete) gremlinExec(ctx context.Context) (int, error) {
res := &gremlin.Response{}
query, bindings := gid.gremlin().Query()
if err := gid.driver.Exec(ctx, query, bindings, res); err != nil {
return 0, err
}
return res.ReadInt()
}
func (gid *GroupInfoDelete) gremlin() *dsl.Traversal {
t := g.V().HasLabel(groupinfo.Label)
for _, p := range gid.mutation.predicates {
p(t)
}
return t.SideEffect(__.Drop()).Count()
}
// GroupInfoDeleteOne is the builder for deleting a single GroupInfo entity.
type GroupInfoDeleteOne struct {
gid *GroupInfoDelete
}
// Exec executes the deletion query.
func (gido *GroupInfoDeleteOne) Exec(ctx context.Context) error {
n, err := gido.gid.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{groupinfo.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (gido *GroupInfoDeleteOne) ExecX(ctx context.Context) {
gido.gid.ExecX(ctx)
}
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