Redirect mangakakalot/broken manganelo links to migrated url

2 files changed, 65 insertions, 2 deletions

diff --git a/src/plugins/Mangadex.cpp b/src/plugins/Mangadex.cpp
index c100b0b..a137318 100644
--- a/src/plugins/Mangadex.cpp
+++ b/src/plugins/Mangadex.cpp
@@ -155,6 +155,9 @@ namespace QuickMedia {
     }
 
     SearchResult MangadexSearchPage::search(const std::string &str, BodyItems &result_items) {
+        if(str.empty())
+            return SearchResult::OK;
+
         return plugin_result_to_search_result(search_manga(this, SearchType::TITLE, str, 0, result_items));
     }
 
diff --git a/src/plugins/Manganelo.cpp b/src/plugins/Manganelo.cpp
index 6f0d86f..8186155 100644
--- a/src/plugins/Manganelo.cpp
+++ b/src/plugins/Manganelo.cpp
@@ -2,6 +2,7 @@
 #include "../../include/Notification.hpp"
 #include "../../include/NetUtils.hpp"
 #include "../../include/Theme.hpp"
+#include "../../include/StringUtils.hpp"
 #include <quickmedia/HtmlSearch.h>
 #include <json/value.h>
 
@@ -30,12 +31,66 @@ namespace QuickMedia {
         return true;
     }
 
+    static PluginResult redirect_check(std::string &website_data) {
+        size_t idx = website_data.find("window.location.assign(\"");
+        if(idx == std::string::npos)
+            return PluginResult::OK;
+
+        idx += 24;
+        size_t end = website_data.find('"', idx);
+        if(end == std::string::npos)
+            return PluginResult::OK;
+
+        std::string url = website_data.substr(idx, end - idx);
+        website_data.clear();
+        if(download_to_string(url, website_data, {CommandArg { "-H", "referer: https://manganelo.com/" }}, true) != DownloadResult::OK)
+            return PluginResult::NET_ERR;
+
+        return PluginResult::OK;
+    }
+
+    static PluginResult redirect_migrated_url(std::string &url, QuickMediaHtmlSearch &html_search) {
+        bool page_not_found = false;
+        quickmedia_html_find_nodes_xpath(&html_search, "//div[class='panel-not-found']",
+            [](QuickMediaMatchNode*, void *userdata) {
+                bool *page_not_found = (bool*)userdata;
+                *page_not_found = true;
+                return 0;
+            }, &page_not_found);
+
+        if(!page_not_found)
+            return PluginResult::OK;
+
+        if(!url.empty() && url.back() == '/')
+            url.pop_back();
+
+        string_replace_all(url, "manganelo", "mangakakalot");
+
+        std::string website_data;
+        if(download_to_string(url, website_data, {CommandArg { "-H", "referer: https://manganelo.com/" }}, true) != DownloadResult::OK)
+            return PluginResult::NET_ERR;
+
+        redirect_check(website_data);
+
+        quickmedia_html_search_deinit(&html_search);
+        memset(&html_search, 0, sizeof(html_search));
+
+        int result = quickmedia_html_search_init(&html_search, website_data.c_str(), website_data.size());
+        if(result != 0)
+            return PluginResult::ERR;
+
+        return PluginResult::OK;
+    }
+
     static PluginResult submit_manga(Page *page, const SubmitArgs &args, std::vector<Tab> &result_tabs) {
         BodyItems chapters_items;
         std::vector<Creator> creators;
 
+        std::string url = args.url;
+        string_replace_all(url, "mangakakalot", "manganelo");
+
         std::string website_data;
-        if(download_to_string(args.url, website_data, {CommandArg { "-H", "referer: https://manganelo.com/" }}, true) != DownloadResult::OK)
+        if(download_to_string(url, website_data, {CommandArg { "-H", "referer: https://manganelo.com/" }}, true) != DownloadResult::OK)
             return PluginResult::NET_ERR;
 
         QuickMediaHtmlSearch html_search;
@@ -43,6 +98,11 @@ namespace QuickMedia {
         if(result != 0)
             goto cleanup;
 
+        if(redirect_migrated_url(url, html_search) != PluginResult::OK) {
+            result = -1;
+            goto cleanup;
+        }
+
         result = quickmedia_html_find_nodes_xpath(&html_search, "//ul[class='row-content-chapter']//a",
             [](QuickMediaMatchNode *node, void *userdata) {
                 auto *item_data = (BodyItems*)userdata;
@@ -95,7 +155,7 @@ namespace QuickMedia {
 
         auto chapters_body = page->create_body();
         chapters_body->set_items(std::move(chapters_items));
-        auto chapters_page = std::make_unique<ManganeloChaptersPage>(page->program, args.title, args.url, args.thumbnail_url);
+        auto chapters_page = std::make_unique<ManganeloChaptersPage>(page->program, args.title, url, args.thumbnail_url);
         result_tabs.push_back(Tab{std::move(chapters_body), std::move(chapters_page), page->create_search_bar("Search...", SEARCH_DELAY_FILTER)});
 
         // TODO: Fix. Doesn't work because manganelo changed creator url format