chill-bundles/Resources/views/Export/download.html.twig

{#
 * Copyright (C) 2014-2015, Champs Libres Cooperative SCRLFS, 
 <info@champs-libres.coop> / <http://www.champs-libres.coop>
 *
 * This program is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 *  License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
#}

{% extends "ChillMainBundle::layoutWithVerticalMenu.html.twig" %}

{% block title "Download export"|trans %}
    
{% block js %}
<script type="text/javascript">
window.addEventListener("DOMContentLoaded", function(e) {
    var url = "{{ path('chill_main_export_generate', { 'alias' : alias } ) }}",
        query = window.location.search,
        container = document.querySelector("#download_container")
        ;
        
    window.fetch(url+query, { credentials: 'same-origin' })
            .then(function(response) {
                if (!response.ok) {
                    throw Error(response.statusText);
                }
                
                return response.blob();
            }).then(function(blob) {
                var content = URL.createObjectURL(blob),
                    link = document.createElement("a"),
                    suffix_file;
                    
                switch (blob.type) {
                    case 'application/vnd.oasis.opendocument.spreadsheet':
                        suffix_file = '.ods';
                        break;
                    case 'text/csv':
                        suffix_file = '.csv';
                        break;
                    case 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet':
                        suffix_file = '.xlsx';
                        break;
                    default:
                        suffix_file = '';
                }
                
                link.appendChild(document.createTextNode("{{ "Download your report"|trans }}"));
                link.classList.add("sc-button", "btn-action");
                link.href = content;
                link.download = "{{ alias }}"+suffix_file;
                let waiting_text = container.querySelector("#waiting_text");
                container.removeChild(waiting_text);
                container.appendChild(link);
            }).catch(function(error) {
                var problem_text = 
                        document.createTextNode("{{ "Problem during download"|trans }}");
                
                container
                    .replaceChild(problem_text, container.firstChild);
            })
            ;
            
    
});   
</script>
{% endblock %}
 
{% block layout_wvm_content  %}
    
    <h1>{{ "Download export"|trans }}</h1>
    
    <div id="download_container"><span id="waiting_text">{{ "Waiting for your report"|trans }}...</span></div>
    
{% endblock %}