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var Keys = require('message_keys');
var CSV_STORAGE_KEY = 'fastforge.backup.csv';
var CSV_UPDATED_AT_KEY = 'fastforge.backup.csv.updated_at';
function storeCsv(rows) {
var csv = rows.join('\n');
localStorage.setItem(CSV_STORAGE_KEY, csv);
localStorage.setItem(CSV_UPDATED_AT_KEY, new Date().toISOString());
console.log('FastForge backup stored, bytes=' + csv.length);
}
function beginExportSession(total) {
return {
total: total,
rows: new Array(total)
};
}
function onAppMessage(event) {
var payload = event.payload || {};
var status = payload[Keys.EXPORT_STATUS];
var sequence = payload[Keys.EXPORT_SEQUENCE];
var total = payload[Keys.EXPORT_TOTAL];
var row = payload[Keys.EXPORT_ROW];
if (typeof status === 'string') {
console.log('FastForge export status: ' + status);
}
if (typeof sequence !== 'number' || typeof total !== 'number' || typeof row !== 'string') {
if (typeof status !== 'string') {
console.log('FastForge backup chunk missing fields: ' + JSON.stringify(payload));
}
return;
}
if (status === 'EXPORT_STARTED' || !onAppMessage.session || onAppMessage.session.total !== total || sequence === 0) {
onAppMessage.session = beginExportSession(total);
}
var session = onAppMessage.session;
if (!session || session.total !== total) {
console.log('FastForge export session mismatch: ' + JSON.stringify(payload));
return;
}
session.rows[sequence] = row;
if (sequence + 1 === total) {
storeCsv(session.rows);
onAppMessage.session = null;
}
}
Pebble.addEventListener('ready', function() {
console.log('FastForge companion ready');
});
Pebble.addEventListener('appmessage', onAppMessage);
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