[gnome-todo] manager: Add inbox model

[Georges Basile Stavracas Neto <gbsneto src gnome org>]

commit b40a77ea3163c08a93437e9c0292763cefe50263
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Tue May 5 09:33:36 2020 -0300

    manager: Add inbox model

 src/engine/gtd-manager.c | 29 +++++++++++++++++++++++++++++
 src/engine/gtd-manager.h |  2 ++
 2 files changed, 31 insertions(+)
---
diff --git a/src/engine/gtd-manager.c b/src/engine/gtd-manager.c
index ffa9c36..13a6656 100644
--- a/src/engine/gtd-manager.c
+++ b/src/engine/gtd-manager.c
@@ -57,6 +57,7 @@ struct _GtdManager
   GSettings          *settings;
   GtdPluginManager   *plugin_manager;
 
+  GListModel         *inbox_model;
   GListModel         *lists_model;
   GListModel         *tasks_model;
   GListModel         *unarchived_tasks_model;
@@ -131,6 +132,15 @@ filter_achived_lists_func (gpointer item,
   return !gtd_task_list_get_archived (list);
 }
 
+static gboolean
+filter_inbox_cb (gpointer item,
+                 gpointer user_data)
+{
+  GtdProvider *provider = gtd_task_list_get_provider (item);
+
+  return gtd_provider_get_inbox (provider) == item;
+}
+
 static gint
 compare_lists_cb (GtdTaskList *list_a,
                   GtdTaskList *list_b,
@@ -245,6 +255,7 @@ gtd_manager_finalize (GObject *object)
   g_clear_object (&self->clock);
   g_clear_object (&self->unarchived_tasks_model);
   g_clear_object (&self->lists_model);
+  g_clear_object (&self->inbox_model);
 
   G_OBJECT_CLASS (gtd_manager_parent_class)->finalize (object);
 }
@@ -495,6 +506,7 @@ gtd_manager_init (GtdManager *self)
   self->clock = gtd_clock_new ();
   self->cancellable = g_cancellable_new ();
   self->lists_model = (GListModel*) gtd_list_store_new (GTD_TYPE_TASK_LIST);
+  self->inbox_model = (GListModel*) gtk_filter_list_model_new (self->lists_model, filter_inbox_cb, self, 
NULL);
   self->tasks_model = (GListModel*) _gtd_task_model_new (self);
   self->unarchived_tasks_model = (GListModel*) gtk_filter_list_model_new (self->tasks_model,
                                                                           filter_achived_lists_func,
@@ -857,6 +869,23 @@ gtd_manager_get_tasks_model (GtdManager *self)
   return self->unarchived_tasks_model;
 }
 
+/**
+ * gtd_manager_get_inbox_model:
+ * @self: a #GtdManager
+ *
+ * Retrieves the #GListModel containing #GtdTaskLists that are
+ * inbox.
+ *
+ * Returns: (transfer none): a #GListModel
+ */
+GListModel*
+gtd_manager_get_inbox_model (GtdManager *self)
+{
+  g_return_val_if_fail (GTD_IS_MANAGER (self), NULL);
+
+  return self->inbox_model;
+}
+
 void
 gtd_manager_load_plugins (GtdManager *self)
 {
diff --git a/src/engine/gtd-manager.h b/src/engine/gtd-manager.h
index 071472a..7b46400 100644
--- a/src/engine/gtd-manager.h
+++ b/src/engine/gtd-manager.h
@@ -79,4 +79,6 @@ GListModel*          gtd_manager_get_all_tasks_model             (GtdManager
 
 GListModel*          gtd_manager_get_tasks_model                 (GtdManager         *self);
 
+GListModel*          gtd_manager_get_inbox_model                 (GtdManager         *self);
+
 G_END_DECLS