From f7341ec0fb6fd62ac37da9a5d0899f99a6a7292b Mon Sep 17 00:00:00 2001
From: MikeZeDev <MikeZeDev@users.noreply.github.com>
Date: Sat, 31 Dec 2022 12:30:26 +0000
Subject: [PATCH] FIX - Rewrite Saikaiscan (#5283)

Fixes https://github.com/manga-download/hakuneko/issues/5101
---
 src/web/mjs/connectors/Saikaiscan.mjs | 88 ++++++++++++++++++++++-----
 1 file changed, 72 insertions(+), 16 deletions(-)

diff --git a/src/web/mjs/connectors/Saikaiscan.mjs b/src/web/mjs/connectors/Saikaiscan.mjs
index 620a9003bd..0b3f21b4a2 100644
--- a/src/web/mjs/connectors/Saikaiscan.mjs
+++ b/src/web/mjs/connectors/Saikaiscan.mjs
@@ -7,8 +7,14 @@ export default class SaikaiScan extends Connector {
         super();
         super.id = 'saikaiscan';
         super.label = 'Saikaiscan';
-        this.tags = [ 'manga', 'portuguese', 'webtoon' ];
+        this.tags = [ 'manga', 'portuguese', 'webtoon', 'novel' ];
         this.url = 'https://saikaiscan.com.br';
+        this.api = 'https://api.saikai.com.br/api/stories';
+        this.imagesurl = 'https://s3-alpha.saikai.com.br';
+        this.novelContentQuery = 'div#leitor-serie-body';
+        this.novelFormat = 'image/png';
+        this.novelWidth = '56em';
+        this.novelPadding = '1.5em';
         this.links = {
             login: 'https://saikaiscan.com.br/login'
         };
@@ -16,37 +22,87 @@ export default class SaikaiScan extends Connector {
 
     async _getMangaFromURI(uri) {
         let request = new Request(uri, this.requestOptions);
-        let data = await this.fetchDOM(request, 'div#project-content h2');
+        let data = await this.fetchDOM(request, 'div.__title h1');
         let id = uri.pathname;
         let title = data[0].textContent.trim();
         return new Manga(this, id, title);
     }
-
     async _getMangas() {
-        let request = new Request(this.url, this.requestOptions);
-        let data = await this.fetchDOM(request, 'div#menu > ul > li:nth-child(4) div.submenu ul li a:not(.arrow)');
-        return data.map(element => {
+        let mangaList = [];
+        for (let page = 0, run = true; run; page++) {
+            let mangas = await this._getMangasFromPage(page);
+            mangas.length > 0 ? mangaList.push(...mangas) : run = false;
+        }
+        return mangaList;
+    }
+
+    async _getMangasFromPage(page) {
+        let request = new Request(new URL(this.api+'?page='+page, this.url), this.requestOptions);
+        let data = await this.fetchJSON(request);
+        return data.data.map(element => {
             return {
-                id: this.getRootRelativeOrAbsoluteLink(element, request.url),
-                title: element.text.trim()
+                id: '/'+element.format.slug+'/'+element.slug,
+                title: element.title.trim()
             };
         });
     }
 
     async _getChapters(manga) {
-        let request = new Request(new URL(manga.id, this.url), this.requestOptions);
-        let data = await this.fetchDOM(request, 'div.chapters ul li a');
+        let request = new Request(new URL(manga.id+'?tab=capitulos', this.url), this.requestOptions);
+        let data = await this.fetchDOM(request, 'ul.__chapters li a');
         return data.map(element => {
             return {
                 id: this.getRootRelativeOrAbsoluteLink(element, this.url),
-                title: element.textContent.trim(),
+                title: element.querySelector('span.__chapters--number').textContent.trim(),
             };
-        });
+        }).reverse();
     }
 
     async _getPages(chapter) {
-        let request = new Request(new URL(chapter.id, this.url), this.requestOptions);
-        let data = await this.fetchDOM(request, 'div.images-block source.lazyload');
-        return data.map(element => this.getAbsolutePath(element, this.url));
+        let request = new Request(this.url + chapter.id, this.requestOptions);
+        if (chapter.id.match(/\/series\//)) {
+            return this._getPagesNovel(request);
+        } else {
+            let script = `
+            new Promise(resolve => {
+                let pages = __NUXT__;
+                resolve(pages);
+            });
+            `;
+            let pageList = await Engine.Request.fetchUI(request, script);
+            pageList = pageList.data[0].release.data;
+            return pageList.release_images.map( element => {
+                return new URL(element.image, this.imagesurl).href;
+            });
+        }
+    }
+
+    async _getPagesNovel(request) {
+        let darkmode = Engine.Settings.NovelColorProfile();
+        let script = `
+           new Promise((resolve, reject) => {
+               
+                document.body.style.width = '${this.novelWidth}';
+                let novel = document.querySelector('${this.novelContentQuery}');
+                novel.style.maxWidth = '${this.novelWidth}';
+                novel.style.margin = '0';
+                novel.style.padding = '${this.novelPadding}';
+                novel.style.backgroundColor = '${darkmode.background}'
+                novel.style.color = '${darkmode.text}'
+                let script = document.createElement('script');
+                script.onerror = error => reject(error);
+                script.onload = async function() {
+                    try{
+                        let canvas = await html2canvas(novel);
+                        resolve(canvas.toDataURL('${this.novelFormat}'));
+                    }catch (error){
+                        reject(error)
+                    }
+                }
+                script.src = 'https://html2canvas.hertzen.com/dist/html2canvas.min.js';
+                document.body.appendChild(script);
+            });
+        `;
+        return [ await Engine.Request.fetchUI(request, script, 30000, true) ];
     }
-}
\ No newline at end of file
+}