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// guix-web - Web interface for GNU Guix
// Copyright © 2014 David Thompson <davet@gnu.org>
//
// This program is free software: you can redistribute it and/or
// modify it under the terms of the GNU Affero General Public License
// as published by the Free Software Foundation, either version 3 of
// the License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful, but
// WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public
// License along with this program. If not, see
// <http://www.gnu.org/licenses/>.
(function() {
var packages = guix.packages;
packages.controller = function() {
var PAGE_SIZE = 20;
// Throttle search to twice per second maximum.
var SEARCH_THROTTLE = 500;
var packages = K.fromPromise(guix.packages.Packages());
var searchTerm = K.emitter();
var sorterStream = K.emitter();
var pageIndex = K.emitter();
var phaseStream = K.emitter();
var selectedPackageStream = K.emitter();
var filteredPackages = K.combine([
packages,
searchTerm.throttle(SEARCH_THROTTLE).toProperty("")
], function(packages, search) {
var regexp = new RegExp(search === "" ? ".*" : search, "i");
return packages.filter(function(package) {
return regexp.test(package.name) ||
regexp.test(package.synopsis);
});
});
var sorter = sorterStream.toProperty({
field: "name",
reverse: false
});
var sortFields = {
license: function(package) {
if(_.isArray(package.license)) {
// Concatenate all license names together for sorting.
return package.license.reduce(function(memo, l) {
return memo.concat(l.name);
}, "");
}
return package.license.name;
}
};
var sortedPackages = K.combine([
filteredPackages,
sorter
], function(packages, sorter) {
var field = sorter.field;
var sorted = _.sortBy(packages, sortFields[field] || field);
return sorter.reverse ? sorted.reverse() : sorted;
});
var pages = sortedPackages.map(function(packages) {
return guix.chunk(packages, PAGE_SIZE);
}).toProperty([[]]);
var page = K.combine([
pages,
pageIndex.toProperty(0)
], function(pages, i) {
return {
index: i,
packages: pages[i]
};
});
var phase = phaseStream.toProperty(guix.packages.PHASE_NONE);
return guix.ui.spinUntil(K.combine([
packages,
pages,
page,
searchTerm.toProperty(""),
sorter,
phase,
selectedPackageStream.toProperty(null)
], function(packages, pages, page, search, sorter, phase, selectedPackage) {
function renderName(package) {
var name = package.name;
return m("a", {
config: m.route,
href: "/package/".concat(name)
}, name);
}
function renderHomepage(package) {
if(package.homepage) {
return m("a", { href: package.homepage }, package.homepage);
} else {
return "";
}
}
function renderHeader(title, field) {
var isCurrentSorter = sorter.field === field;
var sorterClass = (function() {
if(isCurrentSorter) {
return sorter.reverse ?
"sorter sort-descend" :
"sorter sort-ascend";
}
return "sorter";
})();
return m("th", {
class: sorterClass,
onclick: function() {
if(isCurrentSorter) {
sorterStream.emit({
field: field,
reverse: !sorter.reverse
});
} else {
sorterStream.emit({
field: field,
reverse: false
});
}
}
}, title);
}
function renderInstallLink(package) {
return m("a", {
href: "#",
onclick: function() {
selectedPackageStream.emit(package);
phaseStream.emit(guix.packages.PHASE_PROMPT);
}
}, "install");
}
var pagination = guix.ui.paginate(page.index, pages.length,
10, pageIndex);
return [
guix.ui.headerWithBadge("Packages", packages.length),
// Installation modal
guix.packages.view.installModal(selectedPackage, phase, phaseStream),
// Search box
m("input.form-control", {
type: "text",
placeholder: "Search",
oninput: guix.withEmitAttr("value", searchTerm)
}),
pagination,
// Package table
m("table.table", [
m("thead", [
m("tr", [
renderHeader("Name", "name"),
renderHeader("Version", "version"),
renderHeader("Synopsis", "synopsis"),
renderHeader("Home page", "homepage"),
renderHeader("License", "license"),
m("th", "")
])
]),
m("tbody", [
page.packages.map(function(package) {
return m("tr", [
m("td", renderName(package)),
m("td", package.version),
m("td", package.synopsis),
m("td", renderHomepage(package)),
m("td", guix.ui.licenseList(package)),
m("td", renderInstallLink(package))
]);
})
])
]),
pagination
];
})).map(guix.withLayout);
};
})();
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