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							128 lines
						
					
					
						
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							128 lines
						
					
					
						
							3.6 KiB
						
					
					
				| 'use strict';
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| const modifiedPaths = require('./common').modifiedPaths;
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| const get = require('./get');
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| 
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| /**
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|  * Applies defaults to update and findOneAndUpdate operations.
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|  *
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|  * @param {Object} filter
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|  * @param {Schema} schema
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|  * @param {Object} castedDoc
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|  * @param {Object} options
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|  * @method setDefaultsOnInsert
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|  * @api private
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|  */
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| 
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| module.exports = function(filter, schema, castedDoc, options) {
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|   options = options || {};
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| 
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|   const shouldSetDefaultsOnInsert =
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|     options.setDefaultsOnInsert != null ?
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|       options.setDefaultsOnInsert :
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|       schema.base.options.setDefaultsOnInsert;
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| 
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|   if (!options.upsert || !shouldSetDefaultsOnInsert) {
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|     return castedDoc;
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|   }
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| 
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|   const keys = Object.keys(castedDoc || {});
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|   const updatedKeys = {};
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|   const updatedValues = {};
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|   const numKeys = keys.length;
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|   const modified = {};
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| 
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|   let hasDollarUpdate = false;
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| 
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|   for (let i = 0; i < numKeys; ++i) {
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|     if (keys[i].startsWith('$')) {
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|       modifiedPaths(castedDoc[keys[i]], '', modified);
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|       hasDollarUpdate = true;
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|     }
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|   }
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| 
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|   if (!hasDollarUpdate) {
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|     modifiedPaths(castedDoc, '', modified);
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|   }
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| 
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|   const paths = Object.keys(filter);
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|   const numPaths = paths.length;
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|   for (let i = 0; i < numPaths; ++i) {
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|     const path = paths[i];
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|     const condition = filter[path];
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|     if (condition && typeof condition === 'object') {
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|       const conditionKeys = Object.keys(condition);
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|       const numConditionKeys = conditionKeys.length;
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|       let hasDollarKey = false;
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|       for (let j = 0; j < numConditionKeys; ++j) {
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|         if (conditionKeys[j].startsWith('$')) {
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|           hasDollarKey = true;
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|           break;
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|         }
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|       }
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|       if (hasDollarKey) {
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|         continue;
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|       }
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|     }
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|     updatedKeys[path] = true;
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|     modified[path] = true;
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|   }
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| 
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|   if (options && options.overwrite && !hasDollarUpdate) {
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|     // Defaults will be set later, since we're overwriting we'll cast
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|     // the whole update to a document
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|     return castedDoc;
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|   }
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| 
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|   schema.eachPath(function(path, schemaType) {
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|     // Skip single nested paths if underneath a map
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|     const isUnderneathMap = schemaType.path.endsWith('.$*') ||
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|       schemaType.path.indexOf('.$*.') !== -1;
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|     if (schemaType.$isSingleNested && !isUnderneathMap) {
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|       // Only handle nested schemas 1-level deep to avoid infinite
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|       // recursion re: https://github.com/mongodb-js/mongoose-autopopulate/issues/11
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|       schemaType.schema.eachPath(function(_path, _schemaType) {
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|         if (_path === '_id' && _schemaType.auto) {
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|           // Ignore _id if auto id so we don't create subdocs
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|           return;
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|         }
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| 
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|         const def = _schemaType.getDefault(null, true);
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|         if (!isModified(modified, path + '.' + _path) &&
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|             typeof def !== 'undefined') {
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|           castedDoc = castedDoc || {};
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|           castedDoc.$setOnInsert = castedDoc.$setOnInsert || {};
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|           castedDoc.$setOnInsert[path + '.' + _path] = def;
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|           updatedValues[path + '.' + _path] = def;
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|         }
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|       });
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|     } else {
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|       const def = schemaType.getDefault(null, true);
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|       if (!isModified(modified, path) && typeof def !== 'undefined') {
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|         castedDoc = castedDoc || {};
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|         castedDoc.$setOnInsert = castedDoc.$setOnInsert || {};
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|         if (get(castedDoc, path) == null) {
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|           castedDoc.$setOnInsert[path] = def;
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|         }
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|         updatedValues[path] = def;
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|       }
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|     }
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|   });
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| 
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|   return castedDoc;
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| };
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| 
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| function isModified(modified, path) {
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|   if (modified[path]) {
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|     return true;
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|   }
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|   const sp = path.split('.');
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|   let cur = sp[0];
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|   for (let i = 1; i < sp.length; ++i) {
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|     if (modified[cur]) {
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|       return true;
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|     }
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|     cur += '.' + sp[i];
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|   }
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|   return false;
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| }
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