Add download-links to tiles in /nojs

The download-link links to /nojs/download/<bookname> for all 4 types of downloads.

src/html_dumper.cpp

@@ -47,14 +47,17 @@ std::string HTMLDumper::dumpPlainHTML() const
     const auto langCode = bookObj.getCommaSeparatedLanguages();
     const auto bookIconUrl = rootLocation + "/catalog/v2/illustration/" + bookId +  "/?size=48";
     const auto tags = bookObj.getTags();
+    const auto downloadAvailable = (bookObj.getUrl() != "");
     std::string faviconAttr = "style=background-image:url(" + bookIconUrl + ")";
+    
     booksData.push_back(kainjow::mustache::object{
       {"id", contentId},
       {"title", bookTitle},
       {"description", bookDescription},
       {"langCode", langCode},
       {"faviconAttr", faviconAttr},
-      {"tagList", getTagList(tags)}
+      {"tagList", getTagList(tags)},
+      {"downloadAvailable", downloadAvailable}
     });
   }
 

src/server/internalServer.cpp

@@ -759,18 +759,51 @@ std::unique_ptr<Response> InternalServer::handle_viewer_settings(const RequestCo
   return ContentResponse::build(*this, RESOURCE::templates::viewer_settings_js, data, "application/javascript; charset=utf-8");
 }
 
-std::unique_ptr<Response> InternalServer::handle_no_js(const RequestContext& request)
+std::string InternalServer::getNoJSDownloadPageHTML(const std::string& bookId) const
 {
-  HTMLDumper htmlDumper(mp_library, mp_nameMapper);
-  htmlDumper.setRootLocation(m_root);
-  htmlDumper.setLibraryId(getLibraryId());
-  return ContentResponse::build(
-             *this,
-             htmlDumper.dumpPlainHTML(),
-             "text/html; charset=utf-8"
+  const auto book = mp_library->getBookById(bookId);
+  auto bookUrl = kiwix::stripSuffix(book.getUrl(), ".meta4");
+
+  return render_template(
+             RESOURCE::templates::no_js_download_html,
+             kainjow::mustache::object{
+               {"url", bookUrl},
+               {"bookTitle", book.getTitle()}
+             }
   );
 }
 
+std::unique_ptr<Response> InternalServer::handle_no_js(const RequestContext& request)
+{
+  const auto url = request.get_url();
+  const auto urlParts = kiwix::split(url, "/", true, false);
+  HTMLDumper htmlDumper(mp_library, mp_nameMapper);
+  htmlDumper.setRootLocation(m_root);
+  htmlDumper.setLibraryId(getLibraryId());
+  std::string content;
+
+  if (urlParts.size() == 1) {
+    content = htmlDumper.dumpPlainHTML();
+  } else if ((urlParts.size() == 3) && (urlParts[1] == "download")) {
+    try {
+      const auto bookId = mp_nameMapper->getIdForName(urlParts[2]);
+      content = getNoJSDownloadPageHTML(bookId);
+    } catch (const std::out_of_range&) {
+      return HTTP404Response(*this, request)
+           + urlNotFoundMsg;
+    }
+  } else {
+    return HTTP404Response(*this, request)
+           + urlNotFoundMsg;
+  }
+
+
+  return ContentResponse::build(
+             *this,
+             content,
+             "text/html; charset=utf-8"
+  );
+}
 
 namespace
 {

src/server/internalServer.h

@@ -156,6 +156,8 @@ class InternalServer {
 
     std::string getLibraryId() const;
 
+    std::string getNoJSDownloadPageHTML(const std::string& bookId) const;
+
   private: // types
     class LockableSuggestionSearcher;
     typedef ConcurrentCache<SearchInfo, std::shared_ptr<zim::Search>> SearchCache;

src/tools/stringTools.cpp

@@ -415,6 +415,17 @@ bool kiwix::startsWith(const std::string& base, const std::string& start)
         && std::equal(start.begin(), start.end(), base.begin());
 }
 
+std::string kiwix::stripSuffix(const std::string& str, const std::string& suffix)
+{
+  if (str.size() > suffix.size()) {
+    const auto subStr = str.substr(str.size() - suffix.size(), str.size());
+    if (subStr == suffix) {
+      return str.substr(0, str.size() - suffix.size());
+    }
+  }
+  return str;
+}
+
 std::vector<std::string> kiwix::getTitleVariants(const std::string& title) {
   std::vector<std::string> variants;
   variants.push_back(title);

src/tools/stringTools.h

@@ -93,6 +93,8 @@ std::string extractFromString(const std::string& str);
 
 bool startsWith(const std::string& base, const std::string& start);
 
+std::string stripSuffix(const std::string& str, const std::string& suffix);
+
 std::vector<std::string> getTitleVariants(const std::string& title);
 } //namespace kiwix
 #endif

static/resources_list.txt

@@ -38,6 +38,7 @@ templates/catalog_v2_languages.xml
 templates/url_of_search_results_css
 templates/viewer_settings.js
 templates/no_js_library_page.html
+templates/no_js_download.html
 opensearchdescription.xml
 ft_opensearchdescription.xml
 catalog_v2_searchdescription.xml

static/templates/no_js_download.html

@@ -0,0 +1,33 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta http-equiv="X-UA-Compatible" content="IE=edge">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Download book</title>
+</head>
+<style>
+    .downloadLinksTitle {
+        text-align: center;
+        font-size: 32px;
+        margin-bottom: 6px;
+    }
+</style>
+<body>
+    <div class="downloadLinksTitle">
+        Download links for <b><i>{{bookTitle}}</i></b>
+    </div>
+    <a href="{{url}}" download>
+        <div>Direct</div>
+    </a>
+    <a href="{{url}}.sha256" download>
+        <div>Sha256 hash</div>
+    </a>
+    <a href="{{url}}.magnet" target="_blank">
+        <div>Magnet link</div>
+    </a>
+    <a href="{{url}}.torrent" download>
+        <div>Torrent file</div>
+    </a>
+</body>
+</html>

static/templates/no_js_library_page.html

@@ -44,6 +44,20 @@
       .tag__link {
         pointer-events: none;
       }
+
+      .book__link__wrapper {
+        grid-column: 1 / 3;
+        grid-row: 1 / 3;
+      }
+
+      .book__link {
+        grid-row: 2 / 3;
+      }
+
+      #book__title>a, .book__download a {
+        text-decoration: none;
+        all: unset;
+      }
     </style>
   </head>
   <body>
@@ -51,15 +65,18 @@
         <div class="book__list">
         {{#books}}
         <div class="book__wrapper">
-            <a class="book__link" href="{{root}}/content/{{id}}" title="Preview" aria-label="Preview">
                 <div class="book__link__wrapper">
                     <div class="book__icon" {{faviconAttr}}></div>
                     <div class="book__header">
-                        <div id="book__title">{{title}}</div>
+                        <div id="book__title"><a href="{{root}}/content/{{id}}">{{title}}</a></div>
+                        {{#downloadAvailable}}
+                        <div class="book__download"><span><a href="{{root}}/nojs/download/{{id}}">Download</a></span></div>
+                        {{/downloadAvailable}}
                     </div>
+                    <a class="book__link" href="{{root}}/content/{{id}}" title="Preview" aria-label="Preview">
                       <div class="book__description" title="{{description}}">{{description}}</div>
-                </div>
                     </a>
+              </div>
             <div class="book__languageTag" {{languageAttr}}>{{langCode}}</div>
             <div class="book__tags"><div class="book__tags--wrapper">
                 {{#tagList}}

test/stringTools.cpp

@@ -163,4 +163,11 @@ TEST(stringTools, urlDecode)
   EXPECT_EQ(urlDecode(encodedUriDelimSymbols, false), encodedUriDelimSymbols);
 }
 
+TEST(stringTools, stripSuffix)
+{
+  EXPECT_EQ(stripSuffix("abc123", "123"), "abc");
+  EXPECT_EQ(stripSuffix("abc123", "123456789"), "abc123");
+  EXPECT_EQ(stripSuffix("abc123", "987"), "abc123");
+}
+
 };