[gnome-software/wip/ubuntu-3-26: 14/14] snap: Make snaps purchasable

[Robert Ancell <rancell src gnome org>]

commit 23a35cd3121b6239acbf8a7cf63534ff72e14a7d
Author: Robert Ancell <robert ancell canonical com>
Date:   Wed Jan 24 15:53:56 2018 +1300

    snap: Make snaps purchasable

 plugins/snap/gs-plugin-snap.c |   46 ++++++++++++++++++++++++++++++++++++++--
 1 files changed, 43 insertions(+), 3 deletions(-)
---
diff --git a/plugins/snap/gs-plugin-snap.c b/plugins/snap/gs-plugin-snap.c
index faeec24..919b4ba 100644
--- a/plugins/snap/gs-plugin-snap.c
+++ b/plugins/snap/gs-plugin-snap.c
@@ -708,6 +708,8 @@ gs_plugin_refine_app (GsPlugin *plugin,
                const gchar *name;
                if (gs_app_get_state (app) == AS_APP_STATE_UNKNOWN)
                        gs_app_set_state (app, AS_APP_STATE_INSTALLED);
+
+               gs_app_set_metadata (app, "snap::id", snapd_snap_get_id (local_snap));
                name = snapd_snap_get_title (local_snap);
                if (name == NULL || g_strcmp0 (name, "") == 0)
                        name = snapd_snap_get_name (local_snap);
@@ -728,12 +730,23 @@ gs_plugin_refine_app (GsPlugin *plugin,
        /* get information from snap store */
        store_snap = get_store_snap (plugin, id, cancellable, NULL);
        if (store_snap != NULL) {
-               GPtrArray *screenshots;
+               GPtrArray *prices, *screenshots;
                const gchar *name;
 
-               if (gs_app_get_state (app) == AS_APP_STATE_UNKNOWN)
-                       gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
+               prices = snapd_snap_get_prices (store_snap);
+               if (prices->len > 0) {
+                       SnapdPrice *price = prices->pdata[0];
+                       gs_app_set_price (app, snapd_price_get_amount (price), snapd_price_get_currency 
(price));
+               }
 
+               if (gs_app_get_state (app) == AS_APP_STATE_UNKNOWN) {
+                       if (gs_app_get_price (app) != NULL)
+                               gs_app_set_state (app, AS_APP_STATE_PURCHASABLE);
+                       else
+                               gs_app_set_state (app, AS_APP_STATE_AVAILABLE);
+               }
+
+               gs_app_set_metadata (app, "snap::id", snapd_snap_get_id (store_snap));
                name = snapd_snap_get_title (store_snap);
                if (name == NULL || g_strcmp0 (name, "") == 0)
                        name = snapd_snap_get_name (store_snap);
@@ -792,6 +805,33 @@ gs_plugin_refine_app (GsPlugin *plugin,
        return TRUE;
 }
 
+gboolean
+gs_plugin_app_purchase (GsPlugin *plugin,
+                       GsApp *app,
+                       GsPrice *price,
+                       GCancellable *cancellable,
+                       GError **error)
+{
+       g_autoptr(SnapdClient) client = NULL;
+       const gchar *id;
+
+       /* We can only purchase apps we know of */
+       if (g_strcmp0 (gs_app_get_management_plugin (app), "snap") != 0)
+               return TRUE;
+
+       client = get_client (plugin, error);
+       if (client == NULL)
+               return FALSE;
+
+       id = gs_app_get_metadata_item (app, "snap::id");
+       if (!snapd_client_buy_sync (client, id, gs_price_get_amount (price), gs_price_get_currency (price), 
cancellable, error)) {
+               snapd_error_convert (error);
+               return FALSE;
+       }
+
+       return TRUE;
+}
+
 static void
 progress_cb (SnapdClient *client, SnapdChange *change, gpointer deprecated, gpointer user_data)
 {