blob: f4799847b1b500fcf8983cc1bf2c2ee92b261bef [file] [log] [blame] [raw]
// Copyright (c) 2019, Compiler Explorer Authors
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// * Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
"use strict";
var
local = require('./local'),
_ = require('underscore');
var maxHistoryEntries = 30;
function extractEditorSources(content) {
var sources = [];
for (var i = 0; i < content.length; i++) {
var component = content[i];
if (component.content) {
var subsources = extractEditorSources(component.content);
if (subsources.length > 0) {
sources = sources.concat(subsources);
}
} else if (component.componentName === 'codeEditor') {
sources.push({
lang: component.componentState.lang,
source: component.componentState.source
});
}
}
return sources;
}
function list() {
var stringifiedHistory = local.get('history');
var completeHistory = JSON.parse(stringifiedHistory ? stringifiedHistory : '[]');
return completeHistory;
}
function getArrayWithJustTheCode(editorSources) {
return _.pluck(editorSources, 'source');
}
function getSimilarSourcesIndex(completeHistory, sourcesToCompareTo) {
var duplicateIdx = -1;
for (var i = 0; i < completeHistory.length; i++) {
var diff = _.difference(sourcesToCompareTo, getArrayWithJustTheCode(completeHistory[i].sources));
if (diff.length === 0) {
duplicateIdx = i;
break;
}
}
return duplicateIdx;
}
function push(stringifiedConfig) {
var config = JSON.parse(stringifiedConfig);
var sources = extractEditorSources(config.content);
if (sources.length > 0) {
var completeHistory = list();
var duplicateIdx = getSimilarSourcesIndex(completeHistory, getArrayWithJustTheCode(sources));
if (duplicateIdx === -1) {
while (completeHistory.length >= maxHistoryEntries) {
completeHistory.shift();
}
completeHistory.push({
dt: Date.now(),
sources: sources,
config: config
});
} else {
var entry = completeHistory[duplicateIdx];
entry.dt = Date.now();
}
local.set('history', JSON.stringify(completeHistory));
}
}
function sortedList() {
var sorted = list();
sorted.sort(function (a, b) {
return b.dt - a.dt;
});
return sorted;
}
function sources(language) {
var sourcelist = [];
_.each(sortedList(), function (entry) {
_.each(entry.sources, function (source) {
if (source.lang === language) {
sourcelist.push({
dt: entry.dt,
source: source.source
});
}
});
});
return sourcelist;
}
module.exports = {
push: _.debounce(push, 500),
list: list,
sortedList: sortedList,
sources: sources
};