139 lines
3.9 KiB
Go
139 lines
3.9 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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"entgo.io/ent"
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"entgo.io/ent/dialect/sql"
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"entgo.io/ent/dialect/sql/sqlgraph"
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"entgo.io/ent/entc/integration/ent/document"
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"entgo.io/ent/entc/integration/ent/predicate"
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"entgo.io/ent/schema/field"
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)
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// DocumentDelete is the builder for deleting a Document entity.
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type DocumentDelete struct {
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config
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hooks []Hook
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mutation *DocumentMutation
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}
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// Where appends a list predicates to the DocumentDelete builder.
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func (_d *DocumentDelete) Where(ps ...predicate.Document) *DocumentDelete {
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_d.mutation.Where(ps...)
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return _d
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}
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// Exec executes the deletion query and returns how many vertices were deleted.
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func (_d *DocumentDelete) Exec(ctx context.Context) (int, error) {
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return withHooks(ctx, _d.sqlExec, _d.mutation, _d.hooks)
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_d *DocumentDelete) ExecX(ctx context.Context) int {
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n, err := _d.Exec(ctx)
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if err != nil {
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panic(err)
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}
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return n
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}
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func (_d *DocumentDelete) sqlExec(ctx context.Context) (int, error) {
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_spec := sqlgraph.NewDeleteSpec(document.Table, sqlgraph.NewFieldSpec(document.FieldID, field.TypeInt))
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if ps := _d.mutation.Predicates(); len(ps) > 0 {
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_spec.Predicate = func(selector *sql.Selector) {
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for i := range ps {
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ps[i](selector)
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}
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}
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}
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// Collect blob keys before deleting rows so we can remove blobs from storage afterward.
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_blobKeys, _blobErr := ent.NewBlobs(_d.mutation.blobOpeners.Document).Delete(ctx, &sqlgraph.BlobSpec{
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Driver: _d.driver,
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Predicate: _spec.Predicate,
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Table: document.Table,
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Columns: map[string]string{
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document.FieldContent: "content_key",
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document.FieldThumbnail: "thumbnail_key",
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document.FieldAttachment: "attachment_key",
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document.FieldMetadata: "metadata_key",
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document.FieldPayload: "payload_key",
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document.FieldDescription: "description_key",
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document.FieldArchive: "archive_key",
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},
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CheckRefs: map[string]bool{
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document.FieldContent: true,
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document.FieldThumbnail: true,
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document.FieldAttachment: true,
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},
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})
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if _blobErr != nil {
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return 0, _blobErr
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}
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affected, err := sqlgraph.DeleteNodes(ctx, _d.driver, _spec)
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if err != nil && sqlgraph.IsConstraintError(err) {
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err = &ConstraintError{msg: err.Error(), wrap: err}
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}
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if err == nil {
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// Resolve which blobs are unreferenced now that the rows are gone, while the
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// transaction is still open, and remove them from storage once it commits.
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_blobCleanup, _blobErr := _blobKeys.Cleanup(ctx)
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if _blobErr != nil {
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return 0, _blobErr
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}
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if txd, ok := _d.driver.(*txDriver); ok {
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txd.mu.Lock()
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txd.onCommit = append(txd.onCommit, func(next Committer) Committer {
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return CommitFunc(func(ctx context.Context, tx *Tx) error {
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if err := next.Commit(ctx, tx); err != nil {
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return err
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}
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return _blobCleanup(ctx)
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})
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})
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txd.mu.Unlock()
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} else {
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err = _blobCleanup(ctx)
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}
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}
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_d.mutation.done = true
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return affected, err
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}
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// DocumentDeleteOne is the builder for deleting a single Document entity.
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type DocumentDeleteOne struct {
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_d *DocumentDelete
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}
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// Where appends a list predicates to the DocumentDelete builder.
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func (_d *DocumentDeleteOne) Where(ps ...predicate.Document) *DocumentDeleteOne {
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_d._d.mutation.Where(ps...)
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return _d
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}
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// Exec executes the deletion query.
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func (_d *DocumentDeleteOne) Exec(ctx context.Context) error {
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n, err := _d._d.Exec(ctx)
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switch {
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case err != nil:
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return err
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case n == 0:
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return &NotFoundError{document.Label}
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default:
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return nil
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}
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}
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// ExecX is like Exec, but panics if an error occurs.
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func (_d *DocumentDeleteOne) ExecX(ctx context.Context) {
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if err := _d.Exec(ctx); err != nil {
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panic(err)
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}
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}
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