Add MangaDex login page

src/routes/admin.cr

@@ -73,5 +73,9 @@ struct AdminRouter
     get "/admin/missing" do |env|
       layout "missing-items"
     end
+
+    get "/admin/mangadex" do |env|
+      layout "mangadex"
+    end
   end
 end

src/routes/api.cr

@@ -905,6 +905,57 @@ struct APIRouter
       end
     end
 
+    Koa.describe "Logs the current user into their MangaDex account, and " \
+                 "saves the token."
+    Koa.tag "admin"
+    post "/api/admin/mangadex/login" do |env|
+      begin
+        username = env.params.json["username"].as String
+        password = env.params.json["password"].as String
+        mango_username = get_username env
+
+        client = MangaDex::Client.from_config
+        client.auth username, password
+
+        Storage.default.save_md_token mango_username, client.token.not_nil!,
+          client.token_expires
+
+        send_json env, {
+          "success" => true,
+          "error"   => nil,
+          "expires" => client.token_expires.to_unix,
+        }.to_json
+      rescue e
+        Logger.error e
+        send_json env, {
+          "success" => false,
+          "error"   => e.message,
+        }.to_json
+      end
+    end
+
+    Koa.describe "Returns the expiration date of the mangadex token if the " \
+                 "current user has logged in to MangaDex"
+    Koa.tag "admin"
+    get "/api/admin/mangadex/expires" do |env|
+      begin
+        username = get_username env
+        _, expires = Storage.default.get_md_token username
+
+        send_json env, {
+          "success" => true,
+          "error"   => nil,
+          "expires" => expires.try &.to_unix,
+        }.to_json
+      rescue e
+        Logger.error e
+        send_json env, {
+          "success" => false,
+          "error"   => e.message,
+        }.to_json
+      end
+    end
+
     doc = Koa.generate
     @@api_json = doc.to_json if doc
 

src/storage.cr

@@ -514,6 +514,37 @@ class Storage
     delete_missing "titles", id
   end
 
+  def save_md_token(username : String, token : String, expire : Time)
+    MainFiber.run do
+      get_db do |db|
+        count = db.query_one "select count(*) from md_account where " \
+                             "username = (?)", username, as: Int64
+        if count == 0
+          db.exec "insert into md_account values (?, ?, ?)", username, token,
+            expire.to_unix
+        else
+          db.exec "update md_account set token = (?), expire = (?) " \
+                  "where username = (?)", token, expire.to_unix, username
+        end
+      end
+    end
+  end
+
+  def get_md_token(username) : Tuple(String?, Time?)
+    token = nil
+    expires = nil
+    MainFiber.run do
+      get_db do |db|
+        db.query_one? "select token, expire from md_account where " \
+                      "username = (?)", username do |res|
+          token = res.read String
+          expires = Time.unix res.read Int64
+        end
+      end
+    end
+    {token, expires}
+  end
+
   def close
     MainFiber.run do
       unless @db.nil?

src/views/admin.html.ecr

@@ -33,6 +33,7 @@
       <option>System</option>
     </select>
   </li>
+  <li><a class="uk-link-reset" href="<%= base_url %>admin/mangadex">Connect to MangaDex</a></li>
 </ul>
 
 <hr class="uk-divider-icon">

src/views/components/jquery-ui.html.ecr

@@ -0,0 +1 @@
+<script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>

src/views/components/moment.html.ecr

@@ -0,0 +1 @@
+<script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>

src/views/download-manager.html.ecr

@@ -63,7 +63,7 @@
 </div>
 
 <% content_for "script" do %>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
+  <%= render_component "moment" %>
   <script src="<%= base_url %>js/alert.js"></script>
   <script src="<%= base_url %>js/download-manager.js"></script>
 <% end %>

src/views/download.html.ecr

@@ -110,8 +110,8 @@
 </div>
 
 <% content_for "script" do %>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
+  <%= render_component "moment" %>
+  <%= render_component "jquery-ui" %>
   <script src="<%= base_url %>js/alert.js"></script>
   <script src="<%= base_url %>js/download.js"></script>
 <% end %>

src/views/mangadex.html.ecr

@@ -0,0 +1,39 @@
+<div x-data="component()" x-init="init()">
+    <h2 class="uk-title">Connect to MangaDex</h2>
+    <div class"uk-grid-small" uk-grid x-show="!loading" x-cloak>
+        <div class="uk-width-1-2@s" x-show="!expires">
+            <p>This step is optional but highly recommended if you are using the MangaDex downloader. Connecting to MangaDex allows you to:</p>
+            <ul>
+                <li>Search MangaDex by search terms in addition to manga IDs</li>
+                <li>Automatically download new chapters when they are available</li>
+            </ul>
+        </div>
+
+        <div class="uk-width-1-2@s" x-show="expires">
+            <p>
+            <span x-show="!expired">You have logged in to MangaDex!</span>
+            <span x-show="expired">You have logged in to MangaDex but the token has expired.</span>
+            The expiration date of your token is <code x-text="moment.unix(expires).format('MMMM Do YYYY, HH:mm:ss')"></code>. 
+            <span x-show="!expired">If the integration is not working, you</span>
+            <span x-show="expired">You</span>
+            can log in again and the token will be updated.
+            </p>
+        </div>
+
+        <div class="uk-width-1-2@s">
+            <div class="uk-margin">
+                <div class="uk-inline uk-width-1-1"><span class="uk-form-icon" uk-icon="icon:user"></span><input class="uk-input uk-form-large" type="text" x-model="username" @keydown.enter.debounce="login()"></div>
+            </div>
+            <div class="uk-margin">
+                <div class="uk-inline uk-width-1-1"><span class="uk-form-icon" uk-icon="icon:lock"></span><input class="uk-input uk-form-large" type="password" x-model="password" @keydown.enter.debounce="login()"></div>
+            </div>
+            <div class="uk-margin"><button class="uk-button uk-button-primary uk-button-large uk-width-1-1" @click="login()" :disabled="loggingIn">Login</button></div>
+        </div>
+    </div>
+</div>
+
+<% content_for "script" do %>
+    <%= render_component "moment" %>
+    <script src="<%= base_url %>js/alert.js"></script>
+    <script src="<%= base_url %>js/mangadex.js"></script>
+<% end %>

src/views/plugin-download.html.ecr

@@ -68,7 +68,7 @@
       var pid = "<%= plugin.not_nil!.info.id %>";
     </script>
   <% end %>
-  <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
+  <%= render_component "jquery-ui" %>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery.tablesorter/2.31.3/js/jquery.tablesorter.combined.min.js"></script>
   <script src="<%= base_url %>js/alert.js"></script>
   <script src="<%= base_url %>js/plugin-download.js"></script>