// (C) Copyright 2015 Martin Dougiamas
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import { Injectable } from '@angular/core';
import { CoreCourseProvider } from './course';

/**
 * Helper to gather some common course functions.
 */
@Injectable()
export class CoreCourseHelperProvider {

    constructor() {}

    /**
     * Check if a section has content.
     *
     * @param {any} section Section to check.
     * @return {boolean} Whether the section has content.
     */
    sectionHasContent(section: any) : boolean {
        if (section.id == CoreCourseProvider.ALL_SECTIONS_ID || section.hiddenbynumsections) {
            return false;
        }

        return (typeof section.availabilityinfo != 'undefined' && section.availabilityinfo != '') ||
                section.summary != '' || (section.modules && section.modules.length > 0);
    }
}