offshore
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An ORM for Node.js
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<title>Code coverage report for lib/offshore/utils/nestedOperations/reduceAssociations.js</title>
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<a href="../../../../index.html">all files</a> / <a href="index.html">lib/offshore/utils/nestedOperations/</a> reduceAssociations.js
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<span class="strong">92% </span>
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<span class='fraction'>21/22</span>
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<span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">/**
* Module Dependencies
*/
var hop = require('../helpers').object.hasOwnProperty;
var _ = require('lodash');
var assert = require('assert');
var util = require('util');
/**
* Traverse an object representing values replace associated objects with their
* foreign keys.
*
* @param {String} model
* @param {Object} schema
* @param {Object} values
* @return {Object}
* @api private
*/
module.exports = function(model, schema, values, method) {
var self = this;
Object.keys(values).forEach(function(key) {
// Check to see if this key is a foreign key
var attribute = schema[model].attributes[key];
// If not a plainObject, check if this is a model instance and has a toObject method
if (!_.isPlainObject(values[key])) {
if (_.isObject(values[key]) && !Array.isArray(values[key]) && values[key].toObject && typeof values[key].toObject === 'function') {
values[key] = values[key].toObject();
} else {
return;
}
}
// Check that this user-specified value is not NULL
<span class="missing-if-branch" title="if path not taken" >I</span>if (values[key] === null) <span class="cstat-no" title="statement not covered" >return;</span>
// Check that this user-specified value actually exists
// as an attribute in `model`'s schema.
// If it doesn't- just ignore it
if (typeof attribute !== 'object') return;
if (!hop(values[key], attribute.on)) return;
// Look and see if the related model has a custom primary key AND that
// the intended method is "create"
var related = self.offshore.collections[attribute.references];
var relatedPK = _.find(related.attributes, { primaryKey: true });
// If a custom PK was used and it's not autoIncrementing and the record
// is being created then go ahead and don't reduce it. This allows nested
// creates to work when custom PK's are used.
<span class="missing-if-branch" title="if path not taken" >I</span>if (!relatedPK.autoIncrement && <span class="branch-1 cbranch-no" title="branch not covered" >!related.autoPK </span>&& <span class="branch-2 cbranch-no" title="branch not covered" >method </span>&& (<span class="branch-3 cbranch-no" title="branch not covered" >method == 'create' </span>|| <span class="branch-4 cbranch-no" title="branch not covered" >method == 'update')</span>) {
<span class="cstat-no" title="statement not covered" > return;</span>
}
// Otherwise reduce the association like normal
var fk = values[key][attribute.on];
values[key] = fk;
});
return values;
};
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