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

@@ -103,31 +103,38 @@ 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);
-      // Load cheerio and find post
+    if (result.isFailure()) throw response.value;
-      const $ = cheerio.load(htmlResponse.value);
-
-      const post = $(THREAD.POSTS_IN_PAGE)
-        .toArray()
-        .find((el, idx) => {
-          // Fetch the ID and check if it is what we are searching
-          const sid: string = $(el).find(POST.ID).attr("id").replace("post-", "");
-          const id = parseInt(sid, 10);
-
-          if (id === this.id) return el;
-        });
-
-      // Finally parse the post
-      await this.parsePost($, $(post));
-    } else throw htmlResponse.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(html);
+
+    const post = $(THREAD.POSTS_IN_PAGE)
+      .toArray()
+      .find((el, idx) => {
+        // Fetch the ID and check if it is what we are searching
+        const sid: string = $(el).find(POST.ID).attr("id").replace("post-", "");
+        const id = parseInt(sid, 10);
+
+        if (id === this.id) return el;
+      });
+
+    // Finally parse the post
+    await this.parsePost($, $(post));
+  }
+
   private async parsePost($: 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

@@ -189,6 +189,36 @@ export default class Thread implements ILazy {
     return name.trim();
   }
 
+  /**
+   * Process the HTML code received as
+   * an answer and gets the data contained in it.
+   */
+  private async elaborateResponse(html: string) {
+    // Load the HTML
+    const $ = cheerio.load(html);
+
+    // Fetch data from selectors
+    const ownerID = $(THREAD.OWNER_ID).attr("data-user-id");
+    const tagArray = $(THREAD.TAGS).toArray();
+    const prefixArray = $(THREAD.PREFIXES).toArray();
+    const JSONLD = getJSONLD($("body"));
+    const published = JSONLD["datePublished"] as string;
+    const modified = JSONLD["dateModified"] as string;
+
+    // Parse the thread's data
+    this._title = this.cleanHeadline(JSONLD["headline"] as string);
+    this._tags = tagArray.map((el) => $(el).text().trim());
+    this._prefixes = prefixArray.map((el) => $(el).text().trim());
+    this._owner = new PlatformUser(parseInt(ownerID, 10));
+    await this._owner.fetch();
+    this._rating = this.parseRating(JSONLD);
+    this._category = JSONLD["articleSection"] as TCategory;
+
+    // Validate the dates
+    if (DateTime.fromISO(modified).isValid) this._modified = new Date(modified);
+    if (DateTime.fromISO(published).isValid) this._publication = new Date(published);
+  }
+
   //#endregion Private methods
 
   //#region Public methods
@@ -204,33 +234,9 @@ export default class Thread implements ILazy {
     this._url = new URL(this.id.toString(), urls.THREADS).toString();
 
     // Fetch the HTML source
-    const htmlResponse = await fetchHTML(this.url);
+    const response = await fetchHTML(this.url);
-
+    const result = response.applyOnSuccess(this.elaborateResponse);
-    if (htmlResponse.isSuccess()) {
+    if (result.isFailure()) throw result.value;
-      // Load the HTML
-      const $ = cheerio.load(htmlResponse.value);
-
-      // Fetch data from selectors
-      const ownerID = $(THREAD.OWNER_ID).attr("data-user-id");
-      const tagArray = $(THREAD.TAGS).toArray();
-      const prefixArray = $(THREAD.PREFIXES).toArray();
-      const JSONLD = getJSONLD($("body"));
-      const published = JSONLD["datePublished"] as string;
-      const modified = JSONLD["dateModified"] as string;
-
-      // Parse the thread's data
-      this._title = this.cleanHeadline(JSONLD["headline"] as string);
-      this._tags = tagArray.map((el) => $(el).text().trim());
-      this._prefixes = prefixArray.map((el) => $(el).text().trim());
-      this._owner = new PlatformUser(parseInt(ownerID, 10));
-      await this._owner.fetch();
-      this._rating = this.parseRating(JSONLD);
-      this._category = JSONLD["articleSection"] as TCategory;
-
-      // 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;
   }
 
   /**

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[]>;
   }
 
   /**