Implement elaborateResponse

src/scripts/classes/mapping/platform-user.ts

@@ -157,15 +157,19 @@ export default class PlatformUser implements ILazy {
     const url = new URL(this.id.toString(), `${urls.MEMBERS}/`).toString();
 
     // Fetch the page
-    const htmlResponse = await fetchHTML(url);
+    const response = await fetchHTML(url);
-    const result = htmlResponse.applyOnSuccess(this.elaborateResponse);
+    const result = response.applyOnSuccess(this.elaborateResponse);
-    if (result.isFailure()) throw htmlResponse.value;
+    if (result.isFailure()) throw response.value;
   }
 
   //#endregion Public methods
 
   //#region Private methods
 
+  /**
+   * Process the HTML code received as
+   * an answer and gets the data contained in it.
+   */
   private elaborateResponse(html: string): void {
     // Prepare cheerio
     const $ = cheerio.load(html);

src/scripts/classes/mapping/post.ts

@@ -103,11 +103,23 @@ export default class Post implements ILazy {
 
     // Fetch HTML page containing the post
     const url = new URL(this.id.toString(), urls.POSTS).toString();
-    const htmlResponse = await fetchHTML(url);
+    const response = await fetchHTML(url);
 
-    if (htmlResponse.isSuccess()) {
+    const result = response.applyOnSuccess(this.elaborateResponse);
+    if (result.isFailure()) throw response.value;
+  }
+
+  //#endregion Public methods
+
+  //#region Private methods
+
+  /**
+   * Process the HTML code received as
+   * an answer and gets the data contained in it.
+   */
+  private async elaborateResponse(html: string) {
     // Load cheerio and find post
-      const $ = cheerio.load(htmlResponse.value);
+    const $ = cheerio.load(html);
 
     const post = $(THREAD.POSTS_IN_PAGE)
       .toArray()
@@ -121,13 +133,8 @@ export default class Post implements ILazy {
 
     // Finally parse the post
     await this.parsePost($, $(post));
-    } else throw htmlResponse.value;
   }
 
-  //#endregion Public methods
-
-  //#region Private methods
-
   private async parsePost($: cheerio.Root, post: cheerio.Cheerio): Promise<void> {
     // Find post's ID
     const sid: string = post.find(POST.ID).attr("id").replace("post-", "");

src/scripts/classes/mapping/thread.ts

@@ -189,26 +189,13 @@ export default class Thread implements ILazy {
     return name.trim();
   }
 
-  //#endregion Private methods
-
-  //#region Public methods
-
   /**
-   * Gets information about this thread.
+   * Process the HTML code received as
+   * an answer and gets the data contained in it.
    */
-  public async fetch(): Promise<void> {
+  private async elaborateResponse(html: string) {
-    // Check login
-    if (!shared.isLogged) throw new UserNotLogged(USER_NOT_LOGGED);
-
-    // Prepare the url
-    this._url = new URL(this.id.toString(), urls.THREADS).toString();
-
-    // Fetch the HTML source
-    const htmlResponse = await fetchHTML(this.url);
-
-    if (htmlResponse.isSuccess()) {
     // Load the HTML
-      const $ = cheerio.load(htmlResponse.value);
+    const $ = cheerio.load(html);
 
     // Fetch data from selectors
     const ownerID = $(THREAD.OWNER_ID).attr("data-user-id");
@@ -230,7 +217,26 @@ export default class Thread implements ILazy {
     // Validate the dates
     if (DateTime.fromISO(modified).isValid) this._modified = new Date(modified);
     if (DateTime.fromISO(published).isValid) this._publication = new Date(published);
-    } else throw htmlResponse.value;
+  }
+
+  //#endregion Private methods
+
+  //#region Public methods
+
+  /**
+   * Gets information about this thread.
+   */
+  public async fetch(): Promise<void> {
+    // Check login
+    if (!shared.isLogged) throw new UserNotLogged(USER_NOT_LOGGED);
+
+    // Prepare the url
+    this._url = new URL(this.id.toString(), urls.THREADS).toString();
+
+    // Fetch the HTML source
+    const response = await fetchHTML(this.url);
+    const result = response.applyOnSuccess(this.elaborateResponse);
+    if (result.isFailure()) throw result.value;
   }
 
   /**

src/scripts/classes/mapping/user-profile.ts

@@ -112,31 +112,39 @@ export default class UserProfile extends PlatformUser {
 
   //#region Private methods
 
+  /**
+   * Gets the ID of the user currently logged.
+   */
   private async fetchUserID(): Promise<number> {
     // Local variables
     const url = new URL(urls.BASE).toString();
 
-    // fetch and parse page
+    // Fetch and parse page
-    const htmlResponse = await fetchHTML(url);
+    const response = await fetchHTML(url);
-    if (htmlResponse.isSuccess()) {
+    const result = response.applyOnSuccess((html) => {
       // Load page with cheerio
-      const $ = cheerio.load(htmlResponse.value);
+      const $ = cheerio.load(html);
 
       const sid = $(GENERIC.CURRENT_USER_ID).attr("data-user-id").trim();
       return parseInt(sid, 10);
-    } else throw htmlResponse.value;
+    });
+
+    if (result.isFailure()) throw result.value;
+    else return result.value;
   }
 
+  /**
+   * Gets the list of threads followed by the user currently logged.
+   */
   private async fetchWatchedThread(): Promise<IWatchedThread[]> {
     // Prepare and fetch URL
     const url = new URL(urls.WATCHED_THREADS);
     url.searchParams.set("unread", "0");
 
-    const htmlResponse = await fetchHTML(url.toString());
+    const response = await fetchHTML(url.toString());
-
+    const result = response.applyOnSuccess(async (html) => {
-    if (htmlResponse.isSuccess()) {
       // Load page in cheerio
-      const $ = cheerio.load(htmlResponse.value);
+      const $ = cheerio.load(html);
 
       // Fetch the pages
       const lastPage = parseInt($(WATCHED_THREAD.LAST_PAGE).text().trim(), 10);
@@ -148,7 +156,10 @@ export default class UserProfile extends PlatformUser {
       });
 
       return [].concat(...watchedThreads);
-    } else throw htmlResponse.value;
+    });
+
+    if (result.isFailure()) throw result.value;
+    else return result.value as Promise<IWatchedThread[]>;
   }
 
   /**