Fix course share URL (#1163)

^APPS-3541

Author: ivan-magda

Stepic/Sources/Modules/CourseInfo/CourseInfoDataFlow.swift

@@ -105,7 +105,7 @@ enum CourseInfo {
     /// Present exam in web
     enum ExamLessonPresentation {
         struct Response {
-            let urlPath: String
+            let url: URL
         }
 
         struct ViewModel {

Stepic/Sources/Modules/CourseInfo/CourseInfoInteractor.swift

@@ -71,25 +71,6 @@ final class CourseInfoInteractor: CourseInfoInteractorProtocol {
         self.shouldCheckIAPPurchaseSupport && self.currentMobileTier?.priceTier != nil
     }
 
-    private var courseWebURL: URL? {
-        guard let course = self.currentCourse else {
-            return nil
-        }
-
-        if let slug = course.slug {
-            return self.urlFactory.makeCourse(slug: slug)
-        } else {
-            return self.urlFactory.makeCourse(id: course.id)
-        }
-    }
-
-    private var courseWebSyllabusURLPath: String? {
-        guard let courseWebURLPath = self.courseWebURL?.absoluteString else {
-            return nil
-        }
-        return "\(courseWebURLPath)/syllabus"
-    }
-
     // Tab index -> Submodule
     private var submodules: [Int: CourseInfoSubmoduleProtocol] = [:]
 
@@ -213,12 +194,13 @@ final class CourseInfoInteractor: CourseInfoInteractorProtocol {
     }
 
     func doCourseShareAction(request: CourseInfo.CourseShareAction.Request) {
-        guard let courseWebURL = self.courseWebURL else {
+        guard let currentCourse = self.currentCourse,
+              let courseURL = self.urlFactory.makeCourse(id: currentCourse.id) else {
             return
         }
 
         self.analytics.send(.shareCourseTapped)
-        self.presenter.presentCourseSharing(response: .init(url: courseWebURL, courseViewSource: self.courseViewSource))
+        self.presenter.presentCourseSharing(response: .init(url: courseURL, courseViewSource: self.courseViewSource))
     }
 
     func doCourseUnenrollmentAction(request: CourseInfo.CourseUnenrollmentAction.Request) {
@@ -755,9 +737,12 @@ extension CourseInfoInteractor: CourseInfoTabSyllabusOutputProtocol {
     }
 
     func presentExamLesson() {
-        if let courseWebSyllabusURLPath = self.courseWebSyllabusURLPath {
-            self.presenter.presentExamLesson(response: .init(urlPath: courseWebSyllabusURLPath))
+        guard let currentCourse = self.currentCourse,
+              let courseSyllabusURL = self.urlFactory.makeCourseSyllabus(id: currentCourse.id) else {
+            return
         }
+
+        self.presenter.presentExamLesson(response: .init(url: courseSyllabusURL))
     }
 }
 

Stepic/Sources/Modules/CourseInfo/CourseInfoPresenter.swift

@@ -71,7 +71,7 @@ final class CourseInfoPresenter: CourseInfoPresenterProtocol {
 
     func presentExamLesson(response: CourseInfo.ExamLessonPresentation.Response) {
         let viewModel = CourseInfo.ExamLessonPresentation.ViewModel(
-            urlPath: response.urlPath
+            urlPath: response.url.absoluteString
         )
         self.viewController?.displayExamLesson(viewModel: viewModel)
     }

Stepic/Sources/Modules/CourseInfo/CourseInfoViewController.swift

@@ -527,7 +527,7 @@ extension CourseInfoViewController: CourseInfoViewControllerProtocol {
                         return
                     }
                     WebControllerManager.shared.presentWebControllerWithURLString(
-                        "\(viewModel.urlPath)?from_mobile_app=true",
+                        viewModel.urlPath,
                         inController: strongSelf,
                         withKey: .exam,
                         allowsSafari: true,