HackMD/public/js/history.js

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JavaScript
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var store = require('store');
var common = require('./common');
var checkIfAuth = common.checkIfAuth;
var urlpath = common.urlpath;
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var getLoginState = common.getLoginState;
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window.migrateHistoryFromTempCallback = null;
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migrateHistoryFromTemp();
function migrateHistoryFromTemp() {
if (url('#tempid')) {
$.get(serverurl + '/temp', {
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tempid: url('#tempid')
})
.done(function (data) {
if (data && data.temp) {
getStorageHistory(function (olddata) {
if (!olddata || olddata.length == 0) {
saveHistoryToStorage(JSON.parse(data.temp));
}
});
}
})
.always(function () {
var hash = location.hash.split('#')[1];
hash = hash.split('&');
for (var i = 0; i < hash.length; i++)
if (hash[i].indexOf('tempid') == 0) {
hash.splice(i, 1);
i--;
}
hash = hash.join('&');
location.hash = hash;
if (migrateHistoryFromTempCallback)
migrateHistoryFromTempCallback();
});
}
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}
function saveHistory(notehistory) {
checkIfAuth(
function () {
saveHistoryToServer(notehistory);
},
function () {
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saveHistoryToStorage(notehistory);
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}
);
}
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function saveHistoryToStorage(notehistory) {
if (store.enabled)
store.set('notehistory', JSON.stringify(notehistory));
else
saveHistoryToCookie(notehistory);
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}
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function saveHistoryToCookie(notehistory) {
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Cookies.set('notehistory', notehistory, {
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expires: 365
});
}
function saveHistoryToServer(notehistory) {
$.post(serverurl + '/history', {
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history: JSON.stringify(notehistory)
});
}
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function saveCookieHistoryToStorage(callback) {
store.set('notehistory', Cookies.get('notehistory'));
callback();
}
function saveStorageHistoryToServer(callback) {
var data = store.get('notehistory');
if (data) {
$.post(serverurl + '/history', {
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history: data
})
.done(function (data) {
callback(data);
});
}
}
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function saveCookieHistoryToServer(callback) {
$.post(serverurl + '/history', {
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history: Cookies.get('notehistory')
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})
.done(function (data) {
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callback(data);
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});
}
function clearDuplicatedHistory(notehistory) {
var newnotehistory = [];
for (var i = 0; i < notehistory.length; i++) {
var found = false;
for (var j = 0; j < newnotehistory.length; j++) {
var id = notehistory[i].id.replace(/\=+$/, '');
var newId = newnotehistory[j].id.replace(/\=+$/, '');
if (id == newId || notehistory[i].id == newnotehistory[j].id || !notehistory[i].id || !newnotehistory[j].id) {
var time = (typeof notehistory[i].time === 'number' ? moment(notehistory[i].time) : moment(notehistory[i].time, 'MMMM Do YYYY, h:mm:ss a'));
var newTime = (typeof newnotehistory[i].time === 'number' ? moment(newnotehistory[i].time) : moment(newnotehistory[i].time, 'MMMM Do YYYY, h:mm:ss a'));
if(time >= newTime) {
newnotehistory[j] = notehistory[i];
}
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found = true;
break;
}
}
if (!found)
newnotehistory.push(notehistory[i]);
}
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return newnotehistory;
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}
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function addHistory(id, text, time, tags, pinned, notehistory) {
// only add when note id exists
if (id) {
notehistory.push({
id: id,
text: text,
time: time,
tags: tags,
pinned: pinned
});
}
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return notehistory;
}
function removeHistory(id, notehistory) {
for (var i = 0; i < notehistory.length; i++) {
if (notehistory[i].id == id) {
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notehistory.splice(i, 1);
i--;
}
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}
return notehistory;
}
//used for inner
function writeHistory(title, tags) {
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checkIfAuth(
function () {
// no need to do this anymore, this will count from server-side
// writeHistoryToServer(title, tags);
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},
function () {
writeHistoryToStorage(title, tags);
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}
);
}
function writeHistoryToServer(title, tags) {
$.get(serverurl + '/history')
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.done(function (data) {
try {
if (data.history) {
var notehistory = data.history;
} else {
var notehistory = [];
}
} catch (err) {
var notehistory = [];
}
if (!notehistory)
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notehistory = [];
var newnotehistory = generateHistory(title, tags, notehistory);
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saveHistoryToServer(newnotehistory);
})
.fail(function (xhr, status, error) {
console.error(xhr.responseText);
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});
}
function writeHistoryToCookie(title, tags) {
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try {
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var notehistory = Cookies.getJSON('notehistory');
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} catch (err) {
var notehistory = [];
}
if (!notehistory)
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notehistory = [];
var newnotehistory = generateHistory(title, tags, notehistory);
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saveHistoryToCookie(newnotehistory);
}
function writeHistoryToStorage(title, tags) {
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if (store.enabled) {
var data = store.get('notehistory');
if (data) {
if (typeof data == "string")
data = JSON.parse(data);
var notehistory = data;
} else
var notehistory = [];
if (!notehistory)
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notehistory = [];
var newnotehistory = generateHistory(title, tags, notehistory);
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saveHistoryToStorage(newnotehistory);
} else {
writeHistoryToCookie(title, tags);
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}
}
if (!Array.isArray) {
Array.isArray = function(arg) {
return Object.prototype.toString.call(arg) === '[object Array]';
};
}
function renderHistory(title, tags) {
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//console.debug(tags);
var id = urlpath ? location.pathname.slice(urlpath.length + 1, location.pathname.length).split('/')[1] : location.pathname.split('/')[1];
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return {
id: id,
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text: title,
time: moment().valueOf(),
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tags: tags
};
}
function generateHistory(title, tags, notehistory) {
var info = renderHistory(title, tags);
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//keep any pinned data
var pinned = false;
for (var i = 0; i < notehistory.length; i++) {
if (notehistory[i].id == info.id && notehistory[i].pinned) {
pinned = true;
break;
}
}
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notehistory = removeHistory(info.id, notehistory);
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notehistory = addHistory(info.id, info.text, info.time, info.tags, pinned, notehistory);
notehistory = clearDuplicatedHistory(notehistory);
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return notehistory;
}
//used for outer
function getHistory(callback) {
checkIfAuth(
function () {
getServerHistory(callback);
},
function () {
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getStorageHistory(callback);
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}
);
}
function getServerHistory(callback) {
$.get(serverurl + '/history')
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.done(function (data) {
if (data.history) {
callback(data.history);
}
})
.fail(function (xhr, status, error) {
console.error(xhr.responseText);
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});
}
function getCookieHistory(callback) {
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callback(Cookies.getJSON('notehistory'));
}
function getStorageHistory(callback) {
if (store.enabled) {
var data = store.get('notehistory');
if (data) {
if (typeof data == "string")
data = JSON.parse(data);
callback(data);
} else
getCookieHistory(callback);
} else {
getCookieHistory(callback);
}
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}
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function parseHistory(list, callback) {
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checkIfAuth(
function () {
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parseServerToHistory(list, callback);
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},
function () {
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parseStorageToHistory(list, callback);
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}
);
}
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function parseServerToHistory(list, callback) {
$.get(serverurl + '/history')
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.done(function (data) {
if (data.history) {
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parseToHistory(list, data.history, callback);
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}
})
.fail(function (xhr, status, error) {
console.error(xhr.responseText);
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});
}
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function parseCookieToHistory(list, callback) {
var notehistory = Cookies.getJSON('notehistory');
parseToHistory(list, notehistory, callback);
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}
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function parseStorageToHistory(list, callback) {
if (store.enabled) {
var data = store.get('notehistory');
if (data) {
if (typeof data == "string")
data = JSON.parse(data);
parseToHistory(list, data, callback);
} else
parseCookieToHistory(list, callback);
} else {
parseCookieToHistory(list, callback);
}
}
function parseToHistory(list, notehistory, callback) {
if (!callback) return;
else if (!list || !notehistory) callback(list, notehistory);
else if (notehistory && notehistory.length > 0) {
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for (var i = 0; i < notehistory.length; i++) {
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//parse time to timestamp and fromNow
var timestamp = (typeof notehistory[i].time === 'number' ? moment(notehistory[i].time) : moment(notehistory[i].time, 'MMMM Do YYYY, h:mm:ss a'));
notehistory[i].timestamp = timestamp.valueOf();
notehistory[i].fromNow = timestamp.fromNow();
notehistory[i].time = timestamp.format('llll');
if (notehistory[i].id && list.get('id', notehistory[i].id).length == 0)
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list.add(notehistory[i]);
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}
}
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callback(list, notehistory);
}
function postHistoryToServer(noteId, data, callback) {
$.post(serverurl + '/history/' + noteId, data)
.done(function (result) {
return callback(null, result);
})
.fail(function (xhr, status, error) {
console.error(xhr.responseText);
return callback(error, null);
});
}
function deleteServerHistory(noteId, callback) {
$.ajax({
url: serverurl + '/history' + (noteId ? '/' + noteId : ""),
type: 'DELETE'
})
.done(function (result) {
return callback(null, result);
})
.fail(function (xhr, status, error) {
console.error(xhr.responseText);
return callback(error, null);
});
}
module.exports = {
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writeHistory: writeHistory,
parseHistory: parseHistory,
getStorageHistory: getStorageHistory,
getHistory: getHistory,
saveHistory: saveHistory,
removeHistory: removeHistory,
parseStorageToHistory: parseStorageToHistory,
postHistoryToServer: postHistoryToServer,
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deleteServerHistory: deleteServerHistory,
parseServerToHistory: parseServerToHistory,
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saveStorageHistoryToServer: saveStorageHistoryToServer,
clearDuplicatedHistory: clearDuplicatedHistory
}