1 files changed, 93 insertions, 0 deletions
diff --git a/WebInterface/src/js/src_old/modules/server-client.js b/WebInterface/src/js/src_old/modules/server-client.js
new file mode 100644
index 0000000..2f712b5
--- /dev/null
+++ b/WebInterface/src/js/src_old/modules/server-client.js
@@ -0,0 +1,93 @@
+import * as signalR from '@aspnet/signalr';
+import ServerListing from './ui/server-listing.js';
+
+/**
+ * Class for communication to server
+ */
+export default class ServerClient {
+  /**
+   * Creates new connection
+   * @param {string} url URL of server running signalR
+   * @param {string} serverListingId HTML ID of server-listing element,
+   *    to populate with available games
+   * @param {BannerController} notifications Notification Manager
+   * @param {array} ui UI Elements to reload on login
+   * @param {boolean} [debug=false] Enable debug output?
+   */
+  constructor(url, serverListingId, notifications, ui, debug = false) {
+    this.ui = ui;
+    const connectionBuilder = new signalR.HubConnectionBuilder()
+        .withUrl(url);
+
+    if (debug) {
+      connectionBuilder.configureLogging(signalR.LogLevel.Debug);
+    } else {
+      connectionBuilder.configureLogging(signalR.LogLevel.Error);
+    }
+
+    this.connection = connectionBuilder.build();
+    this.connection.start()
+        .then(() => this.loadServers()) // Load games list, once connected
+        .catch((err) => console.error(err.toString()));
+
+    // Initialize refreshing (blocks new refreshes if true)
+    this.refreshing = false;
+
+    this.serverListing = new ServerListing(serverListingId, notifications);
+  }
+
+  /**
+   * Requests list of avalable games on the server
+   */
+  loadServers() {
+    if (this.refreshing) return; // If already refreshing, no new request
+
+    this.connection.on('ListGroups', (groups) => {
+      // Populate server listing
+      this.serverListing.flushElements();
+      this.serverListing.addElements(groups, this, this.ui);
+      this.connection.off('ListGroups');
+
+      this.refreshing = false;
+    });
+
+    this.connection.invoke('GetGroups')
+        .catch((err) => {
+          this.refreshing = false;
+          console.error(err.toString());
+        });
+    this.refreshing = true;
+  }
+
+  /**
+   * Sends a game creating request to the server
+   * @param {string} name Name of the new game
+   * @param {string} password Password
+   */
+  createServer(name, password) {
+    // TODO: Create
+  }
+
+  /**
+   * Sends a login request
+   * @param {string} group Group name to join
+   * @param {string} password Password to send as SHA-256 Base64 String
+   * @param {string} username Display name to use
+   * @param {ServerClient~loginCallback} callback Callback function to use
+   */
+  sendLogin(group, password, username, callback) {
+    this.connection.on('LoginResponse', (result) => {
+      callback(result, this.connection);
+      this.connection.off('LoginResponse');
+    });
+    this.connection.invoke('Login', group, username, password);
+  }
+}
+
+/**
+ * Callback to call with response to login request
+ * @callback ServerClient~loginCallback
+ * @param {number} result 0: Success, 1: PasswordError, 2:UsernameTaken,
+ *  3:Unknown Error
+ * @param {ConnectionHub} connection Connection to the server
+ */