all files / documents/database/operations/internal/ delete.js

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import Ember from 'ember';
import Operation from './operation';
import DocumentsError from 'documents/util/error';
 
const {
  RSVP: { resolve }
} = Ember;
 
/*
 
error might be not-found deleted.
 
  _isNotFoundDeleted(err) {
    return err.error === 'not_found' && err.reason === 'deleted';
  },
 
  _isNotFoundMissing(err) {
    return err.error === 'not_found' && err.reason === 'missing';
  },
 
  _isNotFoundMissingOrDeleted(err) {
    return this._isNotFoundMissing(err) || this._isNotFoundDeleted(err);
  },
 
 
if(this._isNotFoundDeleted(err)) {
  internal.withPropertyChanges(changed => {
    this._deserializeInternalModelDelete(internal, null, changed);
    internal.onError(err, changed);
  });
  return resolve(internal);
}
internal.withPropertyChanges(changed => {
  internal.onError(err, changed);
});
return reject(err);
 
*/
 
export default class InternalDocumentBaseLoadOperation extends Operation {
 
  willDelete() {
    this.withPropertyChanges(changed => this.state.onDeleting(changed));
    let internal = this.internal;
    let id = internal.getId();
    let rev = internal.getRev();
    return { id, rev };
  }
 
  delete(id, rev) {
    return this.docs.delete(id, rev);
  }
 
  didDelete(json) {
    this.withPropertyChanges(changed => {
      this.internal.deserializeDeleted(json, changed);
      this.state.onDeleted(changed);
    });
    this.db._storeDeletedInternalDocument(this.internal);
    this.resolve();
  }
 
  deleteDidFail(err) {
    this.withPropertyChanges(changed => {
      this.state.onError(err, changed);
    });
    this.reject(err);
  }
 
  invoke() {
    if(this.state.isNew) {
      return this.reject(new DocumentsError({ error: 'not_saved', reason: 'Document is not yet saved' }));
    }
 
    if(this.state.isDeleted) {
      return this.reject(new DocumentsError({ error: 'deleted', reason: 'Document is already deleted' }));
    }
 
    return resolve()
      .then(() => this.willDelete())
      .then(({ id, rev}) => this.delete(id, rev))
      .then(json => this.didDelete(json), err => this.deleteDidFail(err));
  }
 
}