Download multiple pdfs in a zip archive.

CHANGELOG

@@ -17,6 +17,7 @@ Motions:
 - Fixed empty motion comment field in motion update form [#3194].
 - Removed server side image to base64 transformation and
   added local transformation [#2705]
+- Added support for export motions in a zip archive [#3189].
 
 Core:
 - No reload on logoff. OpenSlides is now a full single page

bower.json

@@ -28,6 +28,7 @@
     "jquery.cookie": "~1.4.1",
     "js-data": "~2.9.0",
     "js-data-angular": "~3.2.1",
+    "jszip": "~3.1.3",
     "lodash": "~4.16.0",
     "ng-dialog": "~0.6.4",
     "ng-file-upload": "~11.2.3",

openslides/core/static/js/core/pdf.js

@@ -859,10 +859,11 @@ angular.module('OpenSlidesApp.core.pdf', [])
 
 .factory('PdfCreate', [
     '$timeout',
+    '$q',
     'gettextCatalog',
     'FileSaver',
     'Messaging',
-    function ($timeout, gettextCatalog, FileSaver, Messaging) {
+    function ($timeout, $q, gettextCatalog, FileSaver, Messaging) {
         var filenameMessageMap = {};
         var b64toBlob = function(b64Data) {
             var byteCharacters = atob(b64Data);
@@ -898,19 +899,28 @@ angular.module('OpenSlidesApp.core.pdf', [])
             }, 1);
         };
         return {
+            getBase64FromDocument: function (pdfDocument) {
+                return $q(function (resolve, reject) {
+                    var pdfWorker = new Worker('/static/js/workers/pdf-worker.js');
+                    pdfWorker.addEventListener('message', function (event) {
+                        resolve(event.data);
+                    });
+                    pdfWorker.addEventListener('error', function (event) {
+                        reject(event);
+                    });
+                    pdfWorker.postMessage(JSON.stringify(pdfDocument));
+                });
+            },
             download: function (pdfDocument, filename) {
                 stateChange('info', filename);
-                var pdfWorker = new Worker('/static/js/workers/pdf-worker.js');
 
-                pdfWorker.addEventListener('message', function (event) {
+                this.getBase64FromDocument(pdfDocument).then(function (data) {
-                    var blob = b64toBlob(event.data);
+                    var blob = b64toBlob(data);
                     stateChange('success', filename);
                     FileSaver.saveAs(blob, filename);
+                }, function (error) {
+                    stateChange('error', filename, error.message);
                 });
-                pdfWorker.addEventListener('error', function (event) {
-                    stateChange('error', filename, event.message);
-                });
-                pdfWorker.postMessage(JSON.stringify(pdfDocument));
             },
         };
     }

openslides/motions/static/js/motions/pdf.js

@@ -288,7 +288,6 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
                 for (var i = 0; i < fields.length; i++) {
                     if (motion.comments[i] && canSeeComment(i)) {
                         var title = gettextCatalog.getString('Comment') + ' ' + fields[i].name;
-                        console.log(fields[i]);
                         if (!fields[i].public) {
                             title += ' (' + gettextCatalog.getString('private') + ')';
                         }
@@ -602,6 +601,7 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
 
 .factory('MotionPdfExport', [
     '$http',
+    '$q',
     'Config',
     'gettextCatalog',
     'MotionChangeRecommendation',
@@ -614,15 +614,14 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
     'PdfMakeBallotPaperProvider',
     'PdfCreate',
     'PDFLayout',
-    '$q',
+    'Messaging',
-    function ($http, Config, gettextCatalog, MotionChangeRecommendation, HTMLValidizer, PdfMakeConverter,
+    'FileSaver',
+    function ($http, $q, Config, gettextCatalog, MotionChangeRecommendation, HTMLValidizer, PdfMakeConverter,
         MotionContentProvider, MotionCatalogContentProvider, PdfMakeDocumentProvider, PollContentProvider,
-        PdfMakeBallotPaperProvider, PdfCreate, PDFLayout, $q) {
+        PdfMakeBallotPaperProvider, PdfCreate, PDFLayout, Messaging, FileSaver) {
         return {
-            export: function (motions, params, singleMotion) {
+            getDocumentProvider: function (motions, params, singleMotion) {
-                if (!params) {
+                params = _.clone(params || {}); // Clone this to avoid sideeffects.
-                    params = {};
-                }
                 _.defaults(params, {
                     filename: gettextCatalog.getString('motions') + '.pdf',
                     changeRecommendationMode: Config.get('motions_recommendation_text_mode').value,
@@ -643,11 +642,11 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
                 angular.forEach(motions, function (motion) {
                     if (singleMotion) {
                         motion.changeRecommendations = MotionChangeRecommendation.filter({
-                            'where': {'motion_version_id': {'==': motion.active_version}}
+                            'where': {'motion_version_id': {'==': params.version}}
                         });
                     } else {
                         motion.changeRecommendations = MotionChangeRecommendation.filter({
-                            'where': {'motion_version_id': {'==': params.version}}
+                            'where': {'motion_version_id': {'==': motion.active_version}}
                         });
                     }
                     var text = motion.getTextByMode(params.changeRecommendationMode, null);
@@ -659,43 +658,93 @@ angular.module('OpenSlidesApp.motions.pdf', ['OpenSlidesApp.core.pdf'])
                     image_sources = image_sources.concat(tmp_image_sources);
                 });
 
-                var image_map = {};
+                var imageMap = {};
-                _.forEach(image_sources, function (image_source) {
+                var imagePromises = _.map(image_sources, function (image_source) {
-                    image_map[image_source] = PDFLayout.imageURLtoBase64(image_source);
+                    return PDFLayout.imageURLtoBase64(image_source).then(function (base64Str) {
+                        imageMap[image_source] = base64Str;
+                    });
                 });
 
-                var image_promises = Object.keys(image_map).map(function( key ) {
+                return $q(function (resolve) {
-                    return image_map[key];
+                    //resolve promises to get base64
+                    $q.all(imagePromises).then(function(base64Str) {
+                        var converter = PdfMakeConverter.createInstance(imageMap);
+                        var motionContentProviderArray = [];
+
+                        //convert all motions to motionContentProviders
+                        angular.forEach(motions, function (motion) {
+                            var version = (singleMotion ? params.version : motion.active_version);
+                            motionContentProviderArray.push(MotionContentProvider.createInstance(
+                                converter, motion, version, params.changeRecommendationMode,
+                                motion.changeRecommendations, params.lineNumberMode,
+                                params.includeReason, params.includeComments
+                            ));
+                        });
+
+                        var documentProvider;
+                        if (singleMotion) {
+                            documentProvider = PdfMakeDocumentProvider.createInstance(motionContentProviderArray[0]);
+                        } else {
+                            var motionCatalogContentProvider = MotionCatalogContentProvider.createInstance(motionContentProviderArray);
+                            documentProvider = PdfMakeDocumentProvider.createInstance(motionCatalogContentProvider);
+                        }
+
+                        resolve(documentProvider);
+                    });
                 });
-
+            },
-                //resolv promises to get base64
+            export: function (motions, params, singleMotion) {
-                $q.all(image_promises).then(function(base64Str) {
+                _.defaults(params, {
-                    Object.keys(image_map).map(function(key, i) {
+                    filename: gettextCatalog.getString('motions') + '.pdf',
-                        image_map[key] = base64Str[i];
+                });
-                    });
+                this.getDocumentProvider(motions, params, singleMotion).then(
-
+                    function (documentProvider) {
-                    var converter = PdfMakeConverter.createInstance(image_map);
+                        PdfCreate.download(documentProvider.getDocument(), params.filename);
-                    var motionContentProviderArray = [];
-
-                    //convert all motions to motionContentProviders
-                    angular.forEach(motions, function (motion) {
-                        var version = (singleMotion ? params.version : motion.active_version);
-                        motionContentProviderArray.push(MotionContentProvider.createInstance(
-                            converter, motion, version, params.changeRecommendationMode,
-                            motion.changeRecommendations, params.lineNumberMode,
-                            params.includeReason, params.includeComments
-                        ));
-                    });
-
-                    var documentProvider;
-                    if (singleMotion) {
-                        documentProvider = PdfMakeDocumentProvider.createInstance(motionContentProviderArray[0]);
-                    } else {
-                        var motionCatalogContentProvider = MotionCatalogContentProvider.createInstance(motionContentProviderArray);
-                        documentProvider = PdfMakeDocumentProvider.createInstance(motionCatalogContentProvider);
                     }
+                );
+            },
+            exportZip: function (motions, params) {
+                var messageId = Messaging.addMessage('<i class="fa fa-spinner fa-pulse fa-lg spacer-right"></i>' +
+                    gettextCatalog.getString('Generating PDFs and ZIP archive') + ' ...', 'info');
+                var zipFilename = params.filename || gettextCatalog.getString('motions') + '.zip';
+                params.filename = void 0; // clear this, so we do not override the default filenames for each pdf.
 
-                    PdfCreate.download(documentProvider.getDocument(), params.filename);
+                var self = this;
+                var pdfs = {};
+                var pdfPromises = _.map(motions, function (motion) {
+                    var identifier = motion.identifier ? '-' + motion.identifier : '';
+                    var filename = gettextCatalog.getString('Motion') + identifier + '.pdf';
+
+                    return $q(function (resolve, reject) {
+                        // get documentProvider for every motion.
+                        self.getDocumentProvider(motion, params, true).then(function (documentProvider) {
+                            var doc = documentProvider.getDocument();
+
+                            PdfCreate.getBase64FromDocument(doc).then(function (data) {
+                                pdfs[filename] = data;
+                                resolve();
+                            }, function (error) {
+                                reject(error);
+                            });
+                        });
+                    });
+                });
+
+                // Wait for all documents to be generated. Then put them into a zip and download it.
+                $q.all(pdfPromises).then(function () {
+                    var zip = new JSZip();
+                    _.forEach(pdfs, function (data, filename) {
+                        zip.file(filename, data, {base64: true});
+                    });
+                    Messaging.createOrEditMessage(messageId, '<i class="fa fa-check fa-lg spacer-right"></i>' +
+                        gettextCatalog.getString('ZIP successfully generated.'), 'success', {timeout: 3000});
+                    zip.generateAsync({type: 'blob'}).then(function (content) {
+                        FileSaver.saveAs(content, zipFilename);
+                    });
+                }, function (error) {
+                    Messaging.createOrEditMessage(messageId, '<i class="fa fa-exclamation-triangle fa-lg ' +
+                        'spacer-right"></i>' + gettextCatalog.getString('Error while generating ZIP file') +
+                        ': <code>' + error + '</code>', 'error');
                 });
             },
             createPollPdf: function (motion, version) {

openslides/motions/static/js/motions/site.js

@@ -733,9 +733,23 @@ angular.module('OpenSlidesApp.motions.site', [
                                 ],
                             },
                             hideExpression: "model.format !== 'pdf'",
-                            });
+                        });
                     }
                 }
+                if (!singleMotion) {
+                    fields.push({
+                        key: 'pdfFormat',
+                        type: 'select-radio',
+                        templateOptions: {
+                            label: gettextCatalog.getString('PDF format'),
+                            options: [
+                                {name: gettextCatalog.getString('One PDF'), value: 'pdf'},
+                                {name: gettextCatalog.getString('Multiple PDFs in a zip arcive'), value: 'zip'},
+                            ],
+                        },
+                        hideExpression: "model.format !== 'pdf'",
+                    });
+                }
                 return fields;
             },
         };
@@ -761,6 +775,7 @@ angular.module('OpenSlidesApp.motions.site', [
         $scope.params = params || {};
         _.defaults($scope.params, {
             format: 'pdf',
+            pdfFormat: 'pdf',
             changeRecommendationMode: Config.get('motions_recommendation_text_mode').value,
             lineNumberMode: Config.get('motions_default_line_numbering').value,
             includeReason: true,
@@ -772,7 +787,11 @@ angular.module('OpenSlidesApp.motions.site', [
         $scope.export = function () {
             switch ($scope.params.format) {
                 case 'pdf':
-                    MotionPdfExport.export(motions, $scope.params, singleMotion);
+                    if ($scope.params.pdfFormat === 'pdf') {
+                        MotionPdfExport.export(motions, $scope.params, singleMotion);
+                    } else {
+                        MotionPdfExport.exportZip(motions, $scope.params);
+                    }
                     break;
                 case 'csv':
                     MotionCsvExport.export(motions, $scope.params);