Merge pull request #18597 from wordpress-mobile/feature/18429-fi_try_it_prompt

Blogging Prompts Feature Introduction: use real prompt for new post

Author: ScoutHarris

WordPress/Classes/ViewRelated/Feature Introduction/Blogging Prompts/BloggingPromptsIntroductionPresenter.swift

@@ -35,6 +35,10 @@ class BloggingPromptsIntroductionPresenter: NSObject {
         (accountSites?.count ?? 0) == 0
     }()
 
+    private lazy var bloggingPromptsService: BloggingPromptsService? = {
+        return BloggingPromptsService(blog: blogToUse())
+    }()
+
     // MARK: - Present Feature Introduction
 
     func present(from presentingViewController: UIViewController) {
@@ -103,15 +107,21 @@ private extension BloggingPromptsIntroductionPresenter {
             return
         }
 
-        // TODO: pre-populate post content with prompt from backend instead
-        // of example prompt
-        let editor = EditPostViewController(blog: blog, prompt: .examplePrompt)
-        editor.modalPresentationStyle = .fullScreen
-        editor.entryPoint = .bloggingPromptsFeatureIntroduction
-
-        navigationController.dismiss(animated: true, completion: { [weak self] in
-            presentingViewController.present(editor, animated: false)
-            self?.trackPostEditorShown(blog)
+        fetchPrompt(completion: { [weak self] (prompt) in
+            guard let prompt = prompt else {
+                self?.dispatchErrorNotice()
+                self?.navigationController.dismiss(animated: true)
+                return
+            }
+
+            let editor = EditPostViewController(blog: blog, prompt: prompt)
+            editor.modalPresentationStyle = .fullScreen
+            editor.entryPoint = .bloggingPromptsFeatureIntroduction
+
+            self?.navigationController.dismiss(animated: true, completion: { [weak self] in
+                presentingViewController.present(editor, animated: false)
+                self?.trackPostEditorShown(blog)
+            })
         })
     }
 
@@ -139,4 +149,27 @@ private extension BloggingPromptsIntroductionPresenter {
                              with: blog)
     }
 
+    // MARK: Prompt Fetching
+
+    func fetchPrompt(completion: @escaping ((_ prompt: BloggingPrompt?) -> Void)) {
+        // TODO: check for cached prompt first.
+
+        guard let bloggingPromptsService = bloggingPromptsService else {
+            DDLogError("Feature Introduction: failed creating BloggingPromptsService instance.")
+            return
+        }
+
+        bloggingPromptsService.fetchTodaysPrompt(success: { (prompt) in
+            completion(prompt)
+        }, failure: { (error) in
+            completion(nil)
+            DDLogError("Feature Introduction: failed fetching blogging prompt: \(String(describing: error))")
+        })
+    }
+
+    func dispatchErrorNotice() {
+        let message = NSLocalizedString("Error loading prompt", comment: "Text displayed when there is a failure loading a blogging prompt.")
+        presentingViewController?.displayNotice(title: message)
+    }
+
 }