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// Shows a message explaining how many redirects were imported.
function showImportedMessage(imported, existing) {
if (imported == 0 && existing == 0) {
showMessage('No redirects existed in the file.');
}
if (imported > 0 && existing == 0) {
showMessage('Successfully imported ' + imported + ' redirect' + (imported > 1 ? 's.' : '.'), true);
}
if (imported == 0 && existing > 0) {
showMessage('All redirects in the file already existed and were ignored.');
}
if (imported > 0 && existing > 0) {
var m = 'Successfully imported ' + imported + ' redirect' + (imported > 1 ? 's' : '') + '. ';
if (existing == 1) {
m += '1 redirect already existed and was ignored.';
} else {
m += existing + ' redirects already existed and were ignored.';
}
showMessage(m, true);
}
}
function importRedirects(ev) {
let file = ev.target.files[0];
if (!file) {
return;
}
var reader = new FileReader();
reader.onload = function(e) {
var data;
try {
data = JSON.parse(reader.result);
} catch(e) {
showMessage('Failed to parse JSON data, invalid JSON: ' + (e.message||'').substr(0,100));
return;
}
if (!data.redirects) {
showMessage('Invalid JSON, missing "redirects" property');
return;
}
var imported = 0, existing = 0;
for (var i = 0; i < data.redirects.length; i++) {
var r = new Redirect(data.redirects[i]);
r.updateExampleResult();
if (REDIRECTS.some(function(i) { return new Redirect(i).equals(r);})) {
existing++;
} else {
REDIRECTS.push(r.toObject());
imported++;
}
}
showImportedMessage(imported, existing);
saveChanges();
renderRedirects();
};
try {
reader.readAsText(file, 'utf-8');
} catch(e) {
showMessage('Failed to read import file');
}
}
function updateExportLink() {
var redirects = REDIRECTS.map(function(r) {
return new Redirect(r).toObject();
});
let version = chrome.runtime.getManifest().version;
var exportObj = {
createdBy : 'Redirector v' + version,
createdAt : new Date(),
redirects : redirects
};
var json = JSON.stringify(exportObj, null, 4);
//Using encodeURIComponent here instead of base64 because base64 always messed up our encoding for some reason...
el('#export-link').href = 'data:text/plain;charset=utf-8,' + encodeURIComponent(json);
}
updateExportLink();
function setupImportExportEventListeners() {
el("#import-file").addEventListener('change', importRedirects);
el("#export-link").addEventListener('mousedown', updateExportLink);
}
setupImportExportEventListeners();
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