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MOBILE-3489 location: Expose geolocation service to plugins

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This commit is contained in:
Noel De Martin 2020-09-14 10:52:49 +02:00
parent 2c477ac93a
commit af5f010239
5 changed files with 184 additions and 104 deletions
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132
src/addon/mod/data/fields/latlong/component/latlong.ts
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@ -14,15 +14,10 @@
import { Component } from '@angular/core';
import { FormBuilder } from '@angular/forms';
import { DomSanitizer, SafeUrl } from '@angular/platform-browser';
import { Platform } from 'ionic-angular';
import { Geolocation } from '@ionic-native/geolocation';
import { AddonModDataFieldPluginComponent } from '../../../classes/field-plugin-component';
import { CoreApp, CoreAppProvider } from '@providers/app';
import { CoreGeolocation, CoreGeolocationError, CoreGeolocationErrorReason } from '@providers/geolocation';
import { CoreDomUtilsProvider } from '@providers/utils/dom';
import { Diagnostic } from '@singletons/core.singletons';
import { CoreError } from '@classes/error';
class AccessLocationError extends CoreError {}
/**
* Component to render data latlong field.
@ -37,13 +32,11 @@ export class AddonModDataFieldLatlongComponent extends AddonModDataFieldPluginCo
east: number;
showGeolocation: boolean;
constructor(protected fb: FormBuilder,
protected platform: Platform,
protected geolocation: Geolocation,
constructor(
protected fb: FormBuilder,
protected domUtils: CoreDomUtilsProvider,
protected sanitizer: DomSanitizer,
appProvider: CoreAppProvider
) {
appProvider: CoreAppProvider) {
super(fb);
this.showGeolocation = !appProvider.isDesktop();
@ -126,107 +119,25 @@ export class AddonModDataFieldLatlongComponent extends AddonModDataFieldPluginCo
const modal = this.domUtils.showModalLoading('addon.mod_data.gettinglocation', true);
try {
await this.updateLocation();
const coordinates = await CoreGeolocation.instance.getCoordinates();
this.form.controls['f_' + this.field.id + '_0'].setValue(coordinates.latitude);
this.form.controls['f_' + this.field.id + '_1'].setValue(coordinates.longitude);
} catch (error) {
this.showErrorModal(error);
this.showLocationErrorModal(error);
}
modal.dismiss();
}
/**
* Update component location.
*/
protected async updateLocation(): Promise<void> {
await this.authorizeLocation();
await this.enableLocation();
const result = await this.geolocation.getCurrentPosition({
enableHighAccuracy: true,
timeout: 30000,
});
this.form.controls['f_' + this.field.id + '_0'].setValue(result.coords.latitude);
this.form.controls['f_' + this.field.id + '_1'].setValue(result.coords.longitude);
}
/**
* Make sure that using device location has been authorize and ask for permission if it hasn't.
* Show the appropriate error modal for the given error getting the location.
*
* @param failOnDeniedOnce Throw an exception if the permission has been denied once.
* @param error Location error.
*/
protected async authorizeLocation(failOnDeniedOnce: boolean = false): Promise<void> {
const authorizationStatus = await Diagnostic.instance.getLocationAuthorizationStatus();
switch (authorizationStatus) {
// This constant is hard-coded because it is not declared in @ionic-native/diagnostic v4.
case 'DENIED_ONCE':
if (failOnDeniedOnce) {
throw new AccessLocationError('addon.mod_data.locationpermissiondenied');
}
// Fall through.
case Diagnostic.instance.permissionStatus.NOT_REQUESTED:
await Diagnostic.instance.requestLocationAuthorization();
await CoreApp.instance.waitForResume(500);
await this.authorizeLocation(true);
return;
case Diagnostic.instance.permissionStatus.GRANTED:
case Diagnostic.instance.permissionStatus.GRANTED_WHEN_IN_USE:
// Location is authorized.
return;
case Diagnostic.instance.permissionStatus.DENIED:
default:
throw new AccessLocationError('addon.mod_data.locationpermissiondenied');
}
}
/**
* Make sure that location is enabled and switch to settings if it hasn't.
*/
protected async enableLocation(): Promise<void> {
let locationEnabled = await Diagnostic.instance.isLocationEnabled();
if (locationEnabled) {
// Location is enabled.
return;
}
if (!CoreApp.instance.isIOS()) {
await Diagnostic.instance.switchToLocationSettings();
await CoreApp.instance.waitForResume(30000);
locationEnabled = await Diagnostic.instance.isLocationEnabled();
}
if (!locationEnabled) {
throw new AccessLocationError('addon.mod_data.locationnotenabled');
}
}
/**
* Check whether an error was caused by a PERMISSION_DENIED.
*
* @param error Error.
*/
protected isPermissionDeniedError(error?: any): boolean {
return error && 'code' in error && 'PERMISSION_DENIED' in error && error.code === error.PERMISSION_DENIED;
}
/**
* Show the appropriate error modal for the given error.
*
* @param error Error.
*/
protected showErrorModal(error: any): void {
if (error instanceof AccessLocationError) {
this.domUtils.showErrorModal(error.message, true);
return;
}
if (this.isPermissionDeniedError(error)) {
this.domUtils.showErrorModal('addon.mod_data.locationpermissiondenied', true);
protected showLocationErrorModal(error: any): void {
if (error instanceof CoreGeolocationError) {
this.domUtils.showErrorModal(this.getGeolocationErrorMessage(error), true);
return;
}
@ -234,4 +145,19 @@ export class AddonModDataFieldLatlongComponent extends AddonModDataFieldPluginCo
this.domUtils.showErrorModalDefault(error, 'Error getting location');
}
/**
* Get error message from a geolocation error.
*
* @param error Geolocation error.
*/
protected getGeolocationErrorMessage(error: CoreGeolocationError): string {
// tslint:disable-next-line: switch-default
switch (error.reason) {
case CoreGeolocationErrorReason.PermissionDenied:
return 'addon.mod_data.locationpermissiondenied';
case CoreGeolocationErrorReason.LocationNotEnabled:
return 'addon.mod_data.locationnotenabled';
}
}
}

7
src/app/app.module.ts
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@ -26,6 +26,7 @@ import { TranslateModule, TranslateLoader } from '@ngx-translate/core';
import { TranslateHttpLoader } from '@ngx-translate/http-loader';
import { Diagnostic } from '@ionic-native/diagnostic';
import { Geolocation } from '@ionic-native/geolocation';
import { ScreenOrientation } from '@ionic-native/screen-orientation';
import { MoodleMobileApp } from './app.component';
@ -60,6 +61,7 @@ import { CorePluginFileDelegate } from '@providers/plugin-file-delegate';
import { CoreSyncProvider } from '@providers/sync';
import { CoreFileHelperProvider } from '@providers/file-helper';
import { CoreCustomURLSchemesProvider } from '@providers/urlschemes';
import { CoreGeolocationProvider } from '@providers/geolocation';
// Handlers.
import { CoreSiteInfoCronHandler } from '@providers/handlers/site-info-cron-handler';
@ -195,7 +197,8 @@ export const CORE_PROVIDERS: any[] = [
CorePluginFileDelegate,
CoreSyncProvider,
CoreFileHelperProvider,
CoreCustomURLSchemesProvider
CoreCustomURLSchemesProvider,
CoreGeolocationProvider,
];
export const WP_PROVIDER: any = null;
@ -343,6 +346,7 @@ export const WP_PROVIDER: any = null;
CoreSyncProvider,
CoreFileHelperProvider,
CoreCustomURLSchemesProvider,
CoreGeolocationProvider,
CoreSiteInfoCronHandler,
{
provide: HTTP_INTERCEPTORS,
@ -350,6 +354,7 @@ export const WP_PROVIDER: any = null;
multi: true,
},
Diagnostic,
Geolocation,
ScreenOrientation,
{provide: COMPILER_OPTIONS, useValue: {}, multi: true},
{provide: JitCompilerFactory, useClass: JitCompilerFactory, deps: [COMPILER_OPTIONS]},

3
src/core/compile/providers/compile.ts
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@ -67,6 +67,7 @@ import { CoreContentLinksModuleGradeHandler } from '@core/contentlinks/classes/m
import { CoreContentLinksModuleIndexHandler } from '@core/contentlinks/classes/module-index-handler';
import { CoreCourseActivityPrefetchHandlerBase } from '@core/course/classes/activity-prefetch-handler';
import { CoreCourseResourcePrefetchHandlerBase } from '@core/course/classes/resource-prefetch-handler';
import { CoreGeolocationError, CoreGeolocationErrorReason } from '@providers/geolocation';
// Import all core modules that define components, directives and pipes.
import { CoreComponentsModule } from '@components/components.module';
@ -294,6 +295,8 @@ export class CoreCompileProvider {
instance['CoreSitePluginsQuizAccessRuleComponent'] = CoreSitePluginsQuizAccessRuleComponent;
instance['CoreSitePluginsAssignFeedbackComponent'] = CoreSitePluginsAssignFeedbackComponent;
instance['CoreSitePluginsAssignSubmissionComponent'] = CoreSitePluginsAssignSubmissionComponent;
instance['CoreGeolocationError'] = CoreGeolocationError;
instance['CoreGeolocationErrorReason'] = CoreGeolocationErrorReason;
}
/**

143
src/providers/geolocation.ts Normal file
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@ -0,0 +1,143 @@
// (C) Copyright 2015 Moodle Pty Ltd.
//
// 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 { Coordinates } from '@ionic-native/geolocation';
import { CoreApp } from '@providers/app';
import { Geolocation, Diagnostic, makeSingleton } from '@singletons/core.singletons';
import { CoreError } from '@classes/error';
export enum CoreGeolocationErrorReason {
PermissionDenied = 'permission-denied',
LocationNotEnabled = 'location-not-enabled',
}
export class CoreGeolocationError extends CoreError {
readonly reason: CoreGeolocationErrorReason;
constructor(reason: CoreGeolocationErrorReason) {
super(`GeolocationError: ${reason}`);
this.reason = reason;
}
}
@Injectable()
export class CoreGeolocationProvider {
/**
* Get current user coordinates.
*
* @throws {CoreGeolocationError}
*/
async getCoordinates(): Promise<Coordinates> {
try {
await this.authorizeLocation();
await this.enableLocation();
const result = await Geolocation.instance.getCurrentPosition({
enableHighAccuracy: true,
timeout: 30000,
});
return result.coords;
} catch (error) {
if (this.isCordovaPermissionDeniedError(error)) {
throw new CoreGeolocationError(CoreGeolocationErrorReason.PermissionDenied);
}
throw error;
}
}
/**
* Make sure that using device location has been authorized and ask for permission if it hasn't.
*
* @throws {CoreGeolocationError}
*/
async authorizeLocation(): Promise<void> {
await this.doAuthorizeLocation();
}
/**
* Make sure that location is enabled and open settings to enable it if necessary.
*
* @throws {CoreGeolocationError}
*/
async enableLocation(): Promise<void> {
let locationEnabled = await Diagnostic.instance.isLocationEnabled();
if (locationEnabled) {
// Location is enabled.
return;
}
if (!CoreApp.instance.isIOS()) {
await Diagnostic.instance.switchToLocationSettings();
await CoreApp.instance.waitForResume(30000);
locationEnabled = await Diagnostic.instance.isLocationEnabled();
}
if (!locationEnabled) {
throw new CoreGeolocationError(CoreGeolocationErrorReason.LocationNotEnabled);
}
}
/**
* Recursive implementation of authorizeLocation method, protected to avoid exposing the failOnDeniedOnce parameter.
*
* @param failOnDeniedOnce Throw an exception if the permission has been denied once.
* @throws {CoreGeolocationError}
*/
protected async doAuthorizeLocation(failOnDeniedOnce: boolean = false): Promise<void> {
const authorizationStatus = await Diagnostic.instance.getLocationAuthorizationStatus();
switch (authorizationStatus) {
// This constant is hard-coded because it is not declared in @ionic-native/diagnostic v4.
case 'DENIED_ONCE':
if (failOnDeniedOnce) {
throw new CoreGeolocationError(CoreGeolocationErrorReason.PermissionDenied);
}
// Fall through.
case Diagnostic.instance.permissionStatus.NOT_REQUESTED:
await Diagnostic.instance.requestLocationAuthorization();
await CoreApp.instance.waitForResume(500);
await this.doAuthorizeLocation(true);
return;
case Diagnostic.instance.permissionStatus.GRANTED:
case Diagnostic.instance.permissionStatus.GRANTED_WHEN_IN_USE:
// Location is authorized.
return;
case Diagnostic.instance.permissionStatus.DENIED:
default:
throw new CoreGeolocationError(CoreGeolocationErrorReason.PermissionDenied);
}
}
/**
* Check whether an error was caused by a PERMISSION_DENIED from the cordova plugin.
*
* @param error Error.
*/
protected isCordovaPermissionDeniedError(error?: any): boolean {
return error && 'code' in error && 'PERMISSION_DENIED' in error && error.code === error.PERMISSION_DENIED;
}
}
export class CoreGeolocation extends makeSingleton(CoreGeolocationProvider) {}

3
src/singletons/core.singletons.ts
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@ -16,6 +16,7 @@ import { AlertController, App } from 'ionic-angular';
import { Injector } from '@angular/core';
import { TranslateService } from '@ngx-translate/core';
import { HttpClient } from '@angular/common/http';
import { Geolocation as GeolocationService } from '@ionic-native/geolocation';
import { Diagnostic as DiagnosticService } from '@ionic-native/diagnostic';
import { CoreSingletonsFactory, CoreInjectionToken, CoreSingletonClass } from '@classes/singletons-factory';
@ -49,4 +50,6 @@ export class Ionic extends makeSingleton(App) {}
export class Diagnostic extends makeSingleton(DiagnosticService) {}
export class Geolocation extends makeSingleton(GeolocationService) {}
export class Http extends makeSingleton(HttpClient) {}