106 lines
2.9 KiB
JavaScript
106 lines
2.9 KiB
JavaScript
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/**
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* Data validator
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*
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* Copyright (C) 2017 LoVullo Associates, Inc.
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*
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* This file is part of liza.
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*
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* liza is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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"use strict";
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const Class = require( 'easejs' ).Class;
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/**
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* Check data update for failures
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*
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* This validator glues together various parts of the system that contribute
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* to a validation on data change.
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*
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* TODO: Remove reliance on ClientDependencyFactory
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*/
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module.exports = Class( 'DataValidator',
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{
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/**
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* Bucket data validator
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* @type {BucketDataValidator}
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*/
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'private _bucket_validator': null,
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/**
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* Bucket field monitor
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* @type {ValidStateMonitor}
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*/
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'private _field_monitor': null,
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/**
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* Dependency factory
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*
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* TODO: remove dependency on this class
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*
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* @type {ClientDependencyFactory}
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*/
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'private _factory': null,
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/**
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* Initialize validator
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*
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* @param {BucketDataValidator} bucket_validator data validator
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* @param {ValidStateMonitor} field_monitor field state monitor
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* @param {ClientDependencyFactory} dep_factory REMOVE ME
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*/
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__construct( bucket_validator, field_monitor, dep_factory )
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{
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this._bucket_validator = bucket_validator;
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this._field_monitor = field_monitor;
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this._factory = dep_factory;
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},
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/**
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* Validate diff and update field monitor
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*
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* The external validator `validatef` is a kluge while the system
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* undergoes refactoring.
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*
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* @param {Object} diff bucket diff
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* @param {function(Object,Object)=} validatef external validator
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*
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* @return {Promise} accepts with unspecified value once field monitor
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* has completed its update
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*/
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'public validate'( diff, validatef )
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{
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const _self = this;
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let failures = {};
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this._bucket_validator.validate( diff, ( name, value, i ) =>
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{
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diff[ name ][ i ] = undefined;
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( failures[ name ] = failures[ name ] || {} )[ i ] =
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_self._factory.createFieldFailure( name, i, value );
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}, true );
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validatef && validatef( diff, failures );
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// XXX: this assumes that the above is synchronous
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return this._field_monitor.update( diff, failures );
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},
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} );
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