From eec5484fcc63c8286f6c91292660d97acc6faabe Mon Sep 17 00:00:00 2001
From: Gergely Polonkai <gergely.polonkai@ericsson.com>
Date: Tue, 13 Sep 2016 16:13:04 +0200
Subject: [PATCH] Initial commit that can actually fetch some changes

---
 start.js | 178 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 178 insertions(+)
 create mode 100644 start.js

diff --git a/start.js b/start.js
new file mode 100644
index 0000000..5b65bf5
--- /dev/null
+++ b/start.js
@@ -0,0 +1,178 @@
+const Lang = imports.lang;
+const Gio = imports.gi.Gio;
+const Secret = imports.gi.Secret;
+const GLib = imports.gi.GLib;
+const Soup = imports.gi.Soup;
+const GObject = imports.gi.GObject;
+const Signals = imports.signals;
+
+const GERRITEXT_SETTINGS_SCHEMA = 'org.gnome.shell.extensions.gerrit';
+
+// TODO: Get this from GSettings
+let config = {
+    instances: [
+//        {
+//            name: <display name of the instance>,
+//            url_base: <base URL for the instance (ie. the front page>,
+//            username: <username, or null>,
+//            password: <password, or null>,
+//            strict_ssl: false,
+//            List of sections, with a Gerrit query string
+//            rules: [
+//                {
+//                    name: 'To be reviewed by me',
+//                    query: 'reviewer:self+is:open'
+//                }
+//            ]
+//        }
+//    ]
+};
+
+const GerritChecker = new Lang.Class({
+    Name: "GerritChecker",
+
+    _init: function(menu_button, instance_config) {
+        menu_button.connect('network-state-changed',
+                            Lang.bind(this, this._onNetworkStateChanged));
+
+        this._config = instance_config;
+        this._connected = false;
+
+        this._httpSession = new Soup.Session();
+        this._httpSession.ssl_strict = this._config.strict_ssl;
+
+        if (this._config.username) {
+            this._httpSession.add_feature_by_type = Soup.AuthDomainBasic;
+            this._httpSession.connect(
+                'authenticate',
+                Lang.bind(this, function(session, message, auth, retrying) {
+                    log('Authenticating ' + this._config.name);
+                    auth.authenticate(this._config.username,
+                                      this._config.password);
+                }));
+        }
+
+        GLib.timeout_add(null, 5000, Lang.bind(this, function() {
+            if (this._connected) {
+                this._update();
+            }
+
+            return true;
+        }));
+    },
+
+    _onNetworkStateChanged: function(proxy, connected) {
+        this._connected = connected;
+    },
+
+    _update: function() {
+        log("Updating " + this._config.name);
+
+        let url = this._config.url_base + 'a/changes/?q=reviewer:self+is:open';
+        let uri = new Soup.URI(url);
+        let message = Soup.Message.new_from_uri('GET', uri);
+        log('Fetching: ' + uri.to_string(null));
+
+        this._httpSession.queue_message(
+            message,
+            Lang.bind(this, function(session, msg) {
+                if (message.status_code >= 200 &&
+                    message.status_code < 300) {
+                    let json_data = JSON.parse(
+                        message.response_body.data.slice(5));
+                    json_data.forEach(function(change) {
+                        log(change.change_id);
+                        log(change.status);
+                        log(change.subject);
+                    });
+                    loop.quit();
+                } else {
+                    log('Failed to fetch '
+                        + message.uri.to_string(null)
+                        + ' ('
+                        + message.status_code
+                        + ': '
+                        + message.reason_phrase
+                        + ')');
+                }
+            }));
+    }
+});
+
+const GerritMenuButton = new GObject.Class({
+    Name: "GerritMenuButton",
+    GTypeName: 'GerritMenuButton',
+
+    _init: function() {
+        this.parent();
+
+        log('Initializing');
+        this._connected = false;
+        this._network_monitor = Gio.network_monitor_get_default();
+        this._network_monitor_connection = this._network_monitor.connect(
+            'network-changed',
+            Lang.bind(this, this._onNetworkStateChanged));
+
+        // Let’s check connectivity
+        this._checkConnectionState();
+
+        this._instances = [];
+
+        let i;
+        for (i in config.instances) {
+            this._instances.push(new GerritChecker(this, config.instances[i]));
+        }
+
+        this._password_schema = Secret.Schema.new(
+            'eu.polonkai.gergely.gnome-shell-gerrit-extension.Store',
+            Secret.SchemaFlags.NONE,
+            {
+                "username": Secret.SchemaAttributeType.STRING,
+            });
+    },
+
+    _onNetworkStateChanged: function() {
+        log('Network change');
+        this._checkConnectionState();
+    },
+
+    _checkConnectionState: function() {
+        // TODO: Get this from the config
+        let url = 'https://www.gerritcodereview.com/';
+        // TODO: Port number from schema!
+        let port = 443;
+        let address = Gio.NetworkAddress.parse_uri(url, port);
+        let cancellable = Gio.Cancellable.new();
+
+        this._oldConnected = this._connected;
+        this._connected = false;
+
+        log('Checking for connection');
+
+        try {
+            this._network_monitor.can_reach_async(
+                address, cancellable,
+                Lang.bind(this, this._asyncReadyCallback));
+            log('Checking');
+        } catch (err) {
+            let title = _("Can not connect to %s").format(url);
+            log(title + '\n' + err.message);  // TODO: Remove this!
+        }
+    },
+
+    _asyncReadyCallback: function(nm, res) {
+        this._connected = this._network_monitor.can_reach_finish(res);
+
+        log('Connection check finished: '
+            + this._oldConnected
+            + ' => '
+            + this._connected);
+
+        this.emit('network-state-changed', this._connected);
+    }
+});
+Signals.addSignalMethods(GerritMenuButton.prototype);
+
+let e = new GerritMenuButton();
+let loop = GLib.MainLoop.new(null, false);
+loop.run();