2019-05-14 13:56:43 +02:00

108 lines
4.2 KiB
TypeScript

// (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 { CoreEventsProvider } from '@providers/events';
import { CoreUserProvider } from '@core/user/providers/user';
import { CoreUserDelegate, CoreUserProfileHandler, CoreUserProfileHandlerData } from '@core/user/providers/user-delegate';
import { CoreContentLinksHelperProvider } from '@core/contentlinks/providers/helper';
import { CoreSitesProvider } from '@providers/sites';
import { AddonNotesProvider } from './notes';
/**
* Profile notes handler.
*/
@Injectable()
export class AddonNotesUserHandler implements CoreUserProfileHandler {
name = 'AddonNotes:notes';
priority = 100;
type = CoreUserDelegate.TYPE_NEW_PAGE;
noteEnabledCache = {};
constructor(private linkHelper: CoreContentLinksHelperProvider, private sitesProvider: CoreSitesProvider,
private notesProvider: AddonNotesProvider, eventsProvider: CoreEventsProvider) {
eventsProvider.on(CoreEventsProvider.LOGOUT, this.clearNoteCache.bind(this));
eventsProvider.on(CoreUserProvider.PROFILE_REFRESHED, (data) => {
this.clearNoteCache(data.courseId);
});
}
/**
* Clear note cache.
* If a courseId is specified, it will only delete the entry for that course.
*
* @param {number} [courseId] Course ID.
*/
private clearNoteCache(courseId?: number): void {
if (courseId) {
delete this.noteEnabledCache[courseId];
} else {
this.noteEnabledCache = {};
}
}
/**
* Whether or not the handler is enabled on a site level.
* @return {boolean|Promise<boolean>} Whether or not the handler is enabled on a site level.
*/
isEnabled(): boolean | Promise<boolean> {
return this.notesProvider.isPluginEnabled();
}
/**
* Check if handler is enabled for this user in this context.
*
* @param {any} user User to check.
* @param {number} courseId Course ID.
* @param {any} [navOptions] Course navigation options for current user. See CoreCoursesProvider.getUserNavigationOptions.
* @param {any} [admOptions] Course admin options for current user. See CoreCoursesProvider.getUserAdministrationOptions.
* @return {boolean|Promise<boolean>} Promise resolved with true if enabled, resolved with false otherwise.
*/
isEnabledForUser(user: any, courseId: number, navOptions?: any, admOptions?: any): boolean | Promise<boolean> {
// Active course required.
if (!courseId || user.id == this.sitesProvider.getCurrentSiteUserId()) {
return false;
}
if (typeof this.noteEnabledCache[courseId] != 'undefined') {
return this.noteEnabledCache[courseId];
}
return this.notesProvider.isPluginViewNotesEnabledForCourse(courseId).then((enabled) => {
this.noteEnabledCache[courseId] = enabled;
return enabled;
});
}
/**
* Returns the data needed to render the handler.
*
* @return {CoreUserProfileHandlerData} Data needed to render the handler.
*/
getDisplayData(user: any, courseId: number): CoreUserProfileHandlerData {
return {
icon: 'list',
title: 'addon.notes.notes',
class: 'addon-notes-handler',
action: (event, navCtrl, user, courseId): void => {
event.preventDefault();
event.stopPropagation();
// Always use redirect to make it the new history root (to avoid "loops" in history).
this.linkHelper.goInSite(navCtrl, 'AddonNotesListPage', { userId: user.id, courseId: courseId });
}
};
}
}