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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.Packages = function() {
return m.request({
method: "GET",
url: "packages.json",
background: true
});
};
packages.Sorter = (function() {
function Sorter(field, isDescending) {
this.field = field;
this.isDescending = _.isUndefined(isDescending) ? false : isDescending;
};
Sorter.prototype.sort = function(array) {
var result = _.sortBy(array, this.field);
return this.isDescending ? result.reverse() : result;
};
Sorter.prototype.reverse = function() {
return new packages.Sorter(this.field, !this.isDescending);
};
return Sorter;
})();
packages.Pager = (function() {
function Pager(items, pageSize) {
this.pageSize= pageSize;
this.pageIndex = 0;
this.pages = guix.chunk(items, pageSize);
}
Pager.prototype.currentPage = function() {
return this.pages[this.pageIndex];
};
Pager.prototype.pageCount = function() {
return this.pages.length;
};
Pager.prototype.isEmpty = function() {
return this.pageCount() === 0;
};
Pager.prototype.isFirstPage = function() {
return this.pageIndex === 0;
};
Pager.prototype.isLastPage = function() {
return this.pageIndex === this.pages.length - 1;
};
Pager.prototype.isCurrentPage = function(i) {
return this.pageIndex === i;
};
Pager.prototype.nextPage = function() {
this.pageIndex = Math.min(this.pageCount() - 1, this.pageIndex + 1);
};
Pager.prototype.previousPage = function() {
this.pageIndex = Math.max(0, this.pageIndex - 1);
};
Pager.prototype.gotoPage = function(page) {
this.pageIndex = guix.clamp(page, 0, this.pageCount() -1);
};
return Pager;
})();
packages.PHASE_NONE = 0;
packages.PHASE_PROMPT = 1;
packages.PHASE_DERIVATION = 2;
packages.PHASE_SUCCESS = 3;
packages.PHASE_ERROR = 4;
})();
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