430 lines
10 KiB
JavaScript
430 lines
10 KiB
JavaScript
'use strict';
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/**
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* Module dependencies.
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*/
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var mongoose = require('mongoose'),
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FieldSchema = require('./form_field.server.model.js'),
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FormSubmissionSchema = require('./form_submission.server.model.js'),
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Schema = mongoose.Schema,
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pdfFiller = require('pdffiller'),
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_ = require('lodash'),
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config = require('../../config/config'),
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path = require('path'),
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fs = require('fs-extra'),
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async = require('async');
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var Field = mongoose.model('Field', FieldSchema);
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var FormSubmission = mongoose.model('FormSubmission', FormSubmissionSchema);
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/**
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* Form Schema
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*/
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var FormSchema = new Schema({
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created: {
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type: Date,
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default: Date.now
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},
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lastModified: {
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type: Date,
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default: Date.now
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},
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title: {
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type: String,
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trim: true,
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unique: true,
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required: 'Title cannot be blank'
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},
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language: {
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type: String,
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enum: ['english', 'french', 'spanish'],
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required: 'Form must have a language',
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default: 'english'
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},
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description: {
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type: String,
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default: '',
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},
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form_fields: {
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type: [FieldSchema],
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set: function(form_fields) {
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this._previousFormFields = this.form_fields;
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return form_fields;
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}
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},
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submissions: [{
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type: Schema.Types.ObjectId,
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ref: 'FormSubmission'
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}],
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admin: {
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type: Schema.Types.ObjectId,
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ref: 'User',
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required: 'Form must have an Admin'
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},
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pdf: {
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type: Schema.Types.Mixed
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},
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pdfFieldMap: {
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type: Schema.Types.Mixed
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},
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hideFooter: {
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type: Boolean,
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default: false,
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},
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isGenerated: {
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type: Boolean,
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default: false,
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},
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isLive: {
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type: Boolean,
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default: false,
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},
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autofillPDFs: {
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type: Boolean,
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default: false,
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},
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});
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FormSchema.post('init', function() {
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this._original = this.toObject();
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});
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//Delete template PDF of current Form
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FormSchema.pre('remove', function (next) {
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if(this.pdf){
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//Delete template form
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fs.unlink(this.pdf.path, function(err){
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if (err) throw err;
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console.log('successfully deleted', this.pdf.path);
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});
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}
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});
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//Update lastModified and created everytime we save
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FormSchema.pre('save', function (next) {
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var now = new Date();
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this.lastModified = now;
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if( !this.created ){
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this.created = now;
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}
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next();
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});
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//Concatenate submission and form's form_fields
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// FormSchema.pre('save', function (next) {
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// if(this.isModified('form_fields')){
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// if(this.submissions.length){
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// for(var i=0; i<this.submissions.length; i++){
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// var submission = this.submissions[i];
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// console.log(submission.form_fields);
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// this.submissions[i].form_fields = submission.form_fields.concat(_.difference(this.form_fields, this._previousFormFields));
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// }
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// }
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// this.form_fields = this._previousFormFields.concat(_.difference(this.form_fields, this._previousFormFields));
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// }
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// next();
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// });
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function getDeletedIndexes(needle, haystack){
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var deletedIndexes = [];
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if(haystack.length > 0){
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for(var i = 0; i < needle.length; i++){
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if(haystack.indexOf(needle[i]) <= -1){
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deletedIndexes.push(i);
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}
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}
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}
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return deletedIndexes;
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}
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FormSchema.pre('save', function (next) {
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if(this.isModified('form_fields')){
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var old_form_fields = this._original.form_fields,
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old_ids = _.pluck(this.form_fields, '_id'),
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new_ids = _.pluck(old_form_fields, '_id'),
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deletedIds = getDeletedIndexes(old_ids, new_ids),
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that = this;
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// console.log(deletedIds);
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// console.log('old_ids\n--------');
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// console.log(old_ids);
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// console.log('new_ids\n--------');
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// console.log(new_ids);
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//Preserve fields that have at least one submission
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if( deletedIds.length > 0 ){
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var modifiedSubmissions;
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async.forEachOfSeries(deletedIds, function (deletedIdIndex, key, callback) {
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var deleted_id = old_ids[deletedIdIndex];
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//Search for submissions with deleted form_field
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FormSubmission.
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find({ form: that, admin: that.admin, form_fields: {$elemMatch: {_id: deleted_id} } }).
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exec(function(err, submissions){
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if(err){
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console.error(err);
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return callback(err);
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}
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//Delete field if there are no submission(s) found
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if(submissions.length > 0) {
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//Push old form_field to start of array
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that.form_fields.unshift(old_form_fields[deletedIdIndex]);
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modifiedSubmissions.push.apply(modifiedSubmissions, submissions);
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console.log(modifiedSubmissions);
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}
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callback(null, modifiedSubmissions);
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}
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);
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}, function (err, submissions) {
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if(err){
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console.error(err.message);
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next(err);
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}
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console.log('preserved deleted fields');
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console.log(submissions);
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async.forEachOfSeries(modifiedSubmissions, function (submission, key, callback) {
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for(var i = 0; i < deletedIds.length; i++){
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var tmpField = _.find(submission.form_fields, function(field){
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return field._id === deletedIds[i];
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});
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var index = submission.form_fields.indexOf(tmpField);
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if(tmpField){
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//Delete old form_field
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submission.form_fields.splice(index, 1);
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//Move old form_field to start
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submission.form_fields.unshift(tmpField);
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}
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}
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submission.save(function (err) {
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if (err) callback(err);
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callback();
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});
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}, function (err) {
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if(err){
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console.error(err.message);
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next(err);
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}
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next();
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});
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});
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}
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}
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next();
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});
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//Move PDF to permanent location after new template is uploaded
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FormSchema.pre('save', function (next) {
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if(this.pdf){
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var that = this;
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async.series([
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function(callback){
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if(that.isModified('pdf')){
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var new_filename = that.title.replace(/ /g,'')+'_template.pdf';
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var newDestination = path.join(config.pdfUploadPath, that.admin.username.replace(/ /g,''), that.title.replace(/ /g,'')),
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stat = null;
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try {
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stat = fs.statSync(newDestination);
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} catch (err) {
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fs.mkdirSync(newDestination);
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}
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if (stat && !stat.isDirectory()) {
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callback( new Error('Directory cannot be created because an inode of a different type exists at "' + config.pdfUploadPath + '"'), null);
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}
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fs.move(that.pdf.path, path.join(newDestination, new_filename), function (err) {
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if (err) {
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console.error(err);
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callback( new Error(err.message), null);
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}
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that.pdf.path = path.join(newDestination, new_filename);
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that.pdf.name = new_filename;
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callback(null,'task1');
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});
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}
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callback(null,'task1');
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},
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function(callback){
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if(that.isGenerated){
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that.pdf.path = path.join(config.pdfUploadPath, that.admin.username.replace(/ /g,''), that.title.replace(/ /g,''), that.title.replace(/ /g,'')+'_template.pdf');
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that.pdf.name = that.title.replace(/ /g,'')+'_template.pdf';
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var _typeConvMap = {
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'Multiline': 'textarea',
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'Text': 'textfield',
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'Button': 'checkbox',
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'Choice': 'radio',
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'Password': 'password',
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'FileSelect': 'filefield',
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'Radio': 'radio'
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};
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// console.log('autogenerating form');
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// console.log(that.pdf.path);
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pdfFiller.generateFieldJson(that.pdf.path, function(err, _form_fields){
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if(err){
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callback( new Error(err.message), null);
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}else if(!_form_fields.length || _form_fields === undefined || _form_fields === null){
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callback( new Error('Generated formfields is empty'), null);
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}
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//Map PDF field names to FormField field names
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for(var i = 0; i < _form_fields.length; i++){
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var field = _form_fields[i];
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//Convert types from FDF to 'FormField' types
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if(_typeConvMap[ field.fieldType+'' ]){
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field.fieldType = _typeConvMap[ field.fieldType+'' ];
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}
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field = new Field(field);
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field.required = false;
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_form_fields[i] = field;
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}
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// console.log('NEW FORM_FIELDS: ');
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// console.log(_form_fields);
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// console.log('\n\nOLD FORM_FIELDS: ');
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// console.log(that.form_fields);
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that.form_fields.concat(_form_fields);
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callback(null, 'task2');
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});
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}else{
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callback(null, 'task2');
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}
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}
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], function(err, results) {
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if(err){
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next(new Error({
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message: err.message
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}));
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}
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console.log('ending form save');
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next();
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});
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}else{
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next();
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}
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});
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//Autogenerate Form_fields from PDF if 'isGenerated' flag is set
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// FormSchema.pre('save', function (next) {
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// var field, _form_fields;
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// if(this.pdf){
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// if(this.isGenerated){
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// var _typeConvMap = {
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// 'Multiline': 'textarea',
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// 'Text': 'textfield',
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// 'Button': 'checkbox',
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// 'Choice': 'radio',
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// 'Password': 'password',
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// 'FileSelect': 'filefield',
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// 'Radio': 'radio'
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// };
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// var that = this;
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// console.log('autogenerating form');
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// try {
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// pdfFiller.generateFieldJson(this.pdf.path, function(_form_fields){
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// //Map PDF field names to FormField field names
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// for(var i = 0; i < _form_fields.length; i++){
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// field = _form_fields[i];
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// //Convert types from FDF to 'FormField' types
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// if(_typeConvMap[ field.fieldType+'' ]){
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// field.fieldType = _typeConvMap[ field.fieldType+'' ];
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// }
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// field.fieldValue = '';
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// field.created = Date.now();
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// field.required = true;
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// field.disabled = false;
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// // field = new Field(field);
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// // field.save(function(err) {
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// // if (err) {
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// // console.error(err.message);
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// // throw new Error(err.message);
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// // });
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// // } else {
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// // _form_fields[i] = this;
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// // }
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// // });
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// _form_fields[i] = field;
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// }
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// console.log('NEW FORM_FIELDS: ');
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// console.log(_form_fields);
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// console.log('\n\nOLD FORM_FIELDS: ');
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// console.log(that.form_fields);
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// that.form_fields = _form_fields;
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// next();
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// });
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// } catch(err){
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// next( new Error(err.message) );
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// }
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// }
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// }
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// next();
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// });
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FormSchema.methods.generateFDFTemplate = function() {
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var _keys = _.pluck(this.form_fields, 'title'),
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_values = _.pluck(this.form_fields, 'fieldValue');
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_values.forEach(function(val){
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if(val === true){
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val = 'Yes';
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}else if(val === false) {
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val = 'Off';
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}
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});
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var jsonObj = _.zipObject(_keys, _values);
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return jsonObj;
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};
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mongoose.model('Form', FormSchema);
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