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credential_delete.go
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/
credential_delete.go
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// Code generated by ent, DO NOT EDIT.
package ent
import (
"context"
"fmt"
"entgo.io/ent/dialect/sql"
"entgo.io/ent/dialect/sql/sqlgraph"
"entgo.io/ent/schema/field"
"github.com/evidenceledger/vcdemo/vault/ent/credential"
"github.com/evidenceledger/vcdemo/vault/ent/predicate"
)
// CredentialDelete is the builder for deleting a Credential entity.
type CredentialDelete struct {
config
hooks []Hook
mutation *CredentialMutation
}
// Where appends a list predicates to the CredentialDelete builder.
func (cd *CredentialDelete) Where(ps ...predicate.Credential) *CredentialDelete {
cd.mutation.Where(ps...)
return cd
}
// Exec executes the deletion query and returns how many vertices were deleted.
func (cd *CredentialDelete) Exec(ctx context.Context) (int, error) {
var (
err error
affected int
)
if len(cd.hooks) == 0 {
affected, err = cd.sqlExec(ctx)
} else {
var mut Mutator = MutateFunc(func(ctx context.Context, m Mutation) (Value, error) {
mutation, ok := m.(*CredentialMutation)
if !ok {
return nil, fmt.Errorf("unexpected mutation type %T", m)
}
cd.mutation = mutation
affected, err = cd.sqlExec(ctx)
mutation.done = true
return affected, err
})
for i := len(cd.hooks) - 1; i >= 0; i-- {
if cd.hooks[i] == nil {
return 0, fmt.Errorf("ent: uninitialized hook (forgotten import ent/runtime?)")
}
mut = cd.hooks[i](mut)
}
if _, err := mut.Mutate(ctx, cd.mutation); err != nil {
return 0, err
}
}
return affected, err
}
// ExecX is like Exec, but panics if an error occurs.
func (cd *CredentialDelete) ExecX(ctx context.Context) int {
n, err := cd.Exec(ctx)
if err != nil {
panic(err)
}
return n
}
func (cd *CredentialDelete) sqlExec(ctx context.Context) (int, error) {
_spec := &sqlgraph.DeleteSpec{
Node: &sqlgraph.NodeSpec{
Table: credential.Table,
ID: &sqlgraph.FieldSpec{
Type: field.TypeString,
Column: credential.FieldID,
},
},
}
if ps := cd.mutation.predicates; len(ps) > 0 {
_spec.Predicate = func(selector *sql.Selector) {
for i := range ps {
ps[i](selector)
}
}
}
affected, err := sqlgraph.DeleteNodes(ctx, cd.driver, _spec)
if err != nil && sqlgraph.IsConstraintError(err) {
err = &ConstraintError{msg: err.Error(), wrap: err}
}
return affected, err
}
// CredentialDeleteOne is the builder for deleting a single Credential entity.
type CredentialDeleteOne struct {
cd *CredentialDelete
}
// Exec executes the deletion query.
func (cdo *CredentialDeleteOne) Exec(ctx context.Context) error {
n, err := cdo.cd.Exec(ctx)
switch {
case err != nil:
return err
case n == 0:
return &NotFoundError{credential.Label}
default:
return nil
}
}
// ExecX is like Exec, but panics if an error occurs.
func (cdo *CredentialDeleteOne) ExecX(ctx context.Context) {
cdo.cd.ExecX(ctx)
}