HackMD/public/js/history.js
2015-05-04 15:53:29 +08:00

256 lines
No EOL
7 KiB
JavaScript

//common
function checkIfAuth(yesCallback, noCallback) {
$.get('/me')
.done(function (data) {
if (data && data.status == 'ok') {
yesCallback(data);
} else {
noCallback();
}
})
.fail(function () {
noCallback();
});
}
function saveHistory(notehistory) {
checkIfAuth(
function () {
saveHistoryToServer(notehistory);
},
function () {
saveHistoryToCookie(notehistory);
}
);
}
function saveHistoryToCookie(notehistory) {
$.cookie('notehistory', JSON.stringify(notehistory), {
expires: 365
});
}
function saveHistoryToServer(notehistory) {
$.post('/history', {
history: JSON.stringify(notehistory)
});
}
function saveCookieHistoryToServer(callback) {
$.post('/history', {
history: $.cookie('notehistory')
})
.done(function (data) {
callback();
});
}
function clearDuplicatedHistory(notehistory) {
var newnotehistory = [];
for (var i = 0; i < notehistory.length; i++) {
var found = false;
for (var j = 0; j < newnotehistory.length; j++) {
if (notehistory[i].id == newnotehistory[j].id) {
found = true;
break;
}
}
if (!found)
newnotehistory.push(notehistory[i]);
}
return notehistory;
}
function addHistory(id, text, time, tags, notehistory) {
notehistory.push({
id: id,
text: text,
time: time,
tags: tags
});
return notehistory;
}
function removeHistory(id, notehistory) {
for (var i = 0; i < notehistory.length; i++) {
if (notehistory[i].id == id)
notehistory.splice(i, 1);
}
return notehistory;
}
//used for inner
function writeHistory(view) {
checkIfAuth(
function () {
writeHistoryToServer(view);
},
function () {
writeHistoryToCookie(view);
}
);
}
function writeHistoryToServer(view) {
$.get('/history')
.done(function (data) {
try {
if (data.history) {
var notehistory = data.history;
} else {
var notehistory = [];
}
} catch (err) {
var notehistory = [];
}
var newnotehistory = generateHistory(view, notehistory);
saveHistoryToServer(newnotehistory);
})
.fail(function () {
writeHistoryToCookie(view);
});
}
function writeHistoryToCookie(view) {
try {
var notehistory = JSON.parse($.cookie('notehistory'));
} catch (err) {
var notehistory = [];
}
var newnotehistory = generateHistory(view, notehistory);
saveHistoryToCookie(newnotehistory);
}
function renderHistory(view) {
var title = renderFilename(view);
var tags = [];
var rawtags = [];
view.find('h6').each(function (key, value) {
if (/^tags/gmi.test($(value).text())) {
var codes = $(value).find("code");
for (var i = 0; i < codes.length; i++)
rawtags.push(codes[i]);
}
});
for (var i = 0; i < rawtags.length; i++) {
var found = false;
for (var j = 0; j < tags.length; j++) {
if (tags[j] == rawtags[i].innerHTML) {
found = true;
break;
}
}
if (!found)
tags.push(rawtags[i].innerHTML);
}
//console.debug(tags);
return {
id: location.pathname.split('/')[1],
text: title,
time: moment().format('MMMM Do YYYY, h:mm:ss a'),
tags: tags
};
}
function generateHistory(view, notehistory) {
var info = renderHistory(view);
notehistory = clearDuplicatedHistory(notehistory);
notehistory = removeHistory(info.id, notehistory);
notehistory = addHistory(info.id, info.text, info.time, info.tags, notehistory);
return notehistory;
}
//used for outer
function getHistory(callback) {
checkIfAuth(
function () {
getServerHistory(callback);
},
function () {
getCookieHistory(callback);
}
);
}
function getServerHistory(callback) {
$.get('/history')
.done(function (data) {
if (data.history) {
callback(data.history);
}
})
.fail(function () {
getCookieHistory(callback);
});
}
function getCookieHistory(callback) {
callback(JSON.parse($.cookie('notehistory')));
}
function parseHistory(callback) {
checkIfAuth(
function () {
parseServerToHistory(callback);
},
function () {
parseCookieToHistory(callback);
}
);
}
function parseServerToHistory(callback) {
$.get('/history')
.done(function (data) {
if (data.history) {
//console.log(data.history);
parseToHistory(data.history, callback);
}
})
.fail(function () {
parseCookieToHistory(callback);
});
}
function parseCookieToHistory(callback) {
var notehistory = JSON.parse($.cookie('notehistory'));
parseToHistory(notehistory, callback);
}
function parseToHistory(notehistory, callback) {
if (notehistory && notehistory.length > 0) {
//console.log(notehistory);
for (var i = 0; i < notehistory.length; i++) {
notehistory[i].timestamp = moment(notehistory[i].time, 'MMMM Do YYYY, h:mm:ss a').unix();
notehistory[i].fromNow = moment(notehistory[i].time, 'MMMM Do YYYY, h:mm:ss a').fromNow();
}
$(notehistory).each(function (key, value) {
var close = "<div class='ui-history-close fa fa-close fa-fw'></div>";
var text = "<h4 class='text'>" + value.text + "</h2>";
var timestamp = "<i class='timestamp' style='display:none;'>" + value.timestamp + "</i>";
var fromNow = "<i class='fromNow'><i class='fa fa-clock-o'></i> " + value.fromNow + "</i>";
var time = "<i class='time'>" + value.time + "</i>";
var tags = "";
if (value.tags) {
var labels = [];
for (var j = 0; j < value.tags.length; j++)
labels.push("<span class='label label-default'>" + value.tags[j] + "</span>");
tags = "<p class='tags'>" + labels.join(" ") + "</p>";
}
var li = "<li class='col-xs-12 col-sm-6 col-md-6 col-lg-6'><a href='" + "./" + value.id + "'><div class='item'>" + close + text + '<p>' + fromNow + '<br>' + timestamp + time + '</p>' + tags + "</div></a></li>"
//console.debug(li);
$("#history-list").append(li);
});
}
var options = {
valueNames: ['text', 'timestamp', 'fromNow', 'time', 'tags']
};
var historyList = new List('history', options);
historyList.sort('timestamp', {
order: "desc"
});
callback();
}