MOBILE-2502 course: Don't pass includestealth if not supported

src/classes/site.ts

@@ -195,7 +195,8 @@ export class CoreSite {
         3.1: 2016052300,
         3.2: 2016120500,
         3.3: 2017051503,
-        3.4: 2017111300
+        3.4: 2017111300,
+        3.5: 2018051700
     };
 
     // Rest of variables.

src/core/course/providers/course.ts

@@ -20,7 +20,7 @@ import { CoreLoggerProvider } from '@providers/logger';
 import { CoreSitesProvider } from '@providers/sites';
 import { CoreTimeUtilsProvider } from '@providers/utils/time';
 import { CoreUtilsProvider } from '@providers/utils/utils';
-import { CoreSiteWSPreSets } from '@classes/site';
+import { CoreSiteWSPreSets, CoreSite } from '@classes/site';
 import { CoreConstants } from '../../constants';
 import { CoreCourseOfflineProvider } from './course-offline';
 
@@ -85,6 +85,18 @@ export class CoreCourseProvider {
         this.sitesProvider.createTableFromSchema(this.courseStatusTableSchema);
     }
 
+    /**
+     * Check whether the site supports requesting stealth modules.
+     *
+     * @param {CoreSite} [site] Site. If not defined, current site.
+     * @return {boolean} Whether the site supports requesting stealth modules.
+     */
+    canRequestStealthModules(site?: CoreSite): boolean {
+        site = site || this.sitesProvider.getCurrentSite();
+
+        return site.isVersionGreaterEqualThan(['3.4.6', '3.5.3']);
+    }
+
     /**
      * Check if module completion could have changed. If it could have, trigger event. This function must be used,
      * for example, after calling a "module_view" WS since it can change the module completion.
@@ -269,17 +281,19 @@ export class CoreCourseProvider {
 
             const params: any = {
                     courseid: courseId,
-                    options: [
-                        {
-                            name: 'includestealthmodules',
-                            value: 1
-                        }
-                    ]
+                    options: []
                 },
                 preSets: any = {
                     omitExpires: preferCache
                 };
 
+            if (this.canRequestStealthModules(site)) {
+                params.options.push({
+                    name: 'includestealthmodules',
+                    value: 1
+                });
+            }
+
             // If modName is set, retrieve all modules of that type. Otherwise get only the module.
             if (modName) {
                 params.options.push({
@@ -527,14 +541,17 @@ export class CoreCourseProvider {
                     {
                         name: 'excludecontents',
                         value: excludeContents ? 1 : 0
-                    },
-                    {
-                        name: 'includestealthmodules',
-                        value: includeStealthModules ? 1 : 0
                     }
                 ]
             };
 
+            if (this.canRequestStealthModules(site)) {
+                params.options.push({
+                    name: 'includestealthmodules',
+                    value: includeStealthModules ? 1 : 0
+                });
+            }
+
             return site.read('core_course_get_contents', params, preSets).catch(() => {
                 // Error getting the data, it could fail because we added a new parameter and the call isn't cached.
                 // Retry without the new parameter and forcing cache.