Add option to load local data

src/Application.vala

@@ -15,18 +15,22 @@
 */
 
 public class AppCenter.App : Granite.Application {
-    const OptionEntry[] appcenter_options =  {
+    public const OptionEntry[] APPCENTER_OPTIONS =  {
         { "show-updates", 'u', 0, OptionArg.NONE, out show_updates,
         "Display the Installed Panel", null},
         { "silent", 's', 0, OptionArg.NONE, out silent,
         "Run the Application in background", null},
+        { "load-local", 'l', 0, OptionArg.FILENAME, out local_path,
+        "Add a local AppStream XML file to the package list", "FILENAME" },
         { null }
     };
 
     private const int SECONDS_AFTER_NETWORK_UP = 60;
 
     public static bool show_updates;
     public static bool silent;
+    public static string? local_path;
+    public static AppCenterCore.Package? local_package;
     private MainWindow? main_window;
 
     private uint registration_id = 0;
@@ -47,7 +51,6 @@ public class AppCenter.App : Granite.Application {
         build_version_info = Build.VERSION_INFO;
 
         app_launcher = "io.elementary.appcenter.desktop";
-        add_main_option_entries (appcenter_options);
 
         var quit_action = new SimpleAction ("quit", null);
         quit_action.activate.connect (() => {
@@ -123,6 +126,16 @@ public class AppCenter.App : Granite.Application {
             return;
         }
 
+        if (local_path != null) {
+            var file = File.new_for_commandline_arg (local_path);
+
+            try {
+                local_package = client.add_local_component_file (file);
+            } catch (Error e) {
+                warning ("Failed to load local AppStream XML file: %s", e.message);
+            }
+        }
+
         if (main_window == null) {
             main_window = new MainWindow (this);
 
@@ -239,6 +252,17 @@ public class AppCenter.App : Granite.Application {
 }
 
 public static int main (string[] args) {
+    try {
+        var opt_context = new OptionContext (null);
+        opt_context.set_help_enabled (true);
+        opt_context.add_main_entries (AppCenter.App.APPCENTER_OPTIONS, null);
+        opt_context.parse (ref args);
+    } catch (OptionError e) {
+        stdout.printf ("error: %s\n", e.message);
+        stdout.printf ("Run '%s --help' to see a full list of available command line options.\n", args[0]);
+        return 0;
+    }
+
     var application = new AppCenter.App ();
     return application.run (args);
 }

src/Core/Client.vala

@@ -123,6 +123,34 @@ public class AppCenterCore.Client : Object {
         return task_count > 0;
     }
 
+    public Package? add_local_component_file (File file) throws Error {
+        var metadata = new AppStream.Metadata ();
+        try {
+            metadata.parse_file (file, AppStream.FormatKind.XML);
+        } catch (Error e) {
+            throw e;
+        }
+
+        var component = metadata.get_component ();
+        if (component != null) {
+            string name = _("%s (local)").printf (component.get_name ());
+            string id = "%s%s".printf (component.get_id (), Package.LOCAL_ID_SUFFIX);
+
+            component.set_name (name, null);
+            component.set_id (id);
+            component.set_origin (Package.APPCENTER_PACKAGE_ORIGIN);
+
+            appstream_pool.add_component (component);
+
+            var package = new AppCenterCore.Package (component);
+            package_list[id] = package;
+
+            return package;
+        }
+
+        return null;
+    }
+
     public async Pk.Exit install_package (Package package, Pk.ProgressCallback cb, GLib.Cancellable cancellable) throws GLib.Error {
         task_count++;
 

src/Core/Package.vala

@@ -24,7 +24,7 @@ public errordomain PackageLaunchError {
 }
 
 public class AppCenterCore.Package : Object {
-    private const string APPCENTER_PACKAGE_ORIGIN = "appcenter-xenial-main";
+    public const string APPCENTER_PACKAGE_ORIGIN = "appcenter-xenial-main";
     private const string ELEMENTARY_STABLE_PACKAGE_ORIGIN = "stable-xenial-main";
     private const string ELEMENTARY_DAILY_PACKAGE_ORIGIN = "daily-xenial-main";
 
@@ -41,6 +41,7 @@ public class AppCenterCore.Package : Object {
     }
 
     public const string OS_UPDATES_ID = "xxx-os-updates";
+    public const string LOCAL_ID_SUFFIX = ".appcenter-local";
     public const string DEFAULT_PRICE_DOLLARS = "1";
 
     public AppStream.Component component { get; construct; }
@@ -104,6 +105,12 @@ public class AppCenterCore.Package : Object {
        }
     }
 
+    public bool is_local {
+        get {
+            return component.get_id ().has_suffix (LOCAL_ID_SUFFIX);
+        }
+    }
+
     public bool is_native {
         get {
             switch (component.get_origin ()) {
@@ -442,7 +449,7 @@ public class AppCenterCore.Package : Object {
     }
 
     public Pk.Package? find_package () {
-        if (component.id == OS_UPDATES_ID) {
+        if (component.id == OS_UPDATES_ID || is_local) {
             return null;
         }
 

src/Views/AppInfoView.vala

@@ -196,7 +196,11 @@ namespace AppCenter.Views {
                 package_summary.valign = Gtk.Align.START;
                 header_grid.attach (package_summary, 1, 1, 3, 1);
             }
-            header_grid.attach (action_stack, 3, 0, 1, 1);
+
+            if (!package.is_local) {
+                header_grid.attach (action_stack, 3, 0, 1, 1);
+            }
+
             header_box.add (header_grid);
 
             var footer_grid = new Gtk.Grid ();

src/Views/Homepage.vala

@@ -117,6 +117,11 @@ namespace AppCenter {
 
             add (category_scrolled);
 
+            var local_package = App.local_package;
+            if (local_package != null) {
+                newest_banner.add_package (local_package);
+            }
+
             houston.get_app_ids.begin ("/newest/project", (obj, res) => {
                 var newest_ids = houston.get_app_ids.end (res);
                 new Thread<void*> ("update-banner", () => {

src/Widgets/PackageRow.vala

@@ -180,6 +180,12 @@ namespace AppCenter.Widgets {
             protected override void set_up_package (uint icon_size = 48) {
                 package_summary.label = package.get_summary ();
                 package_summary.ellipsize = Pango.EllipsizeMode.END;
+
+                if (package.is_local) {
+                    action_stack.no_show_all = true;
+                    action_stack.visible = false;
+                }
+
                 base.set_up_package (icon_size);
             }
         }