[gnome-software] Add a basic Ubuntu review plugin
- From: Robert Ancell <rancell src gnome org>
- To: commits-list gnome org
- Cc:
- Subject: [gnome-software] Add a basic Ubuntu review plugin
- Date: Fri, 19 Feb 2016 19:19:42 +0000 (UTC)
commit 32c2c00f6ea0c7ac33982ea9e2f6bf5ac394a4dd
Author: Robert Ancell <robert ancell canonical com>
Date: Thu Jan 28 21:54:39 2016 +1300
Add a basic Ubuntu review plugin
This plugin downloads review information from reviews.ubuntu.com.
Future patches will add support for posting reviews.
src/plugins/Makefile.am | 7 +
src/plugins/gs-plugin-ubuntu-reviews.c | 679 ++++++++++++++++++++++++++++++++
2 files changed, 686 insertions(+), 0 deletions(-)
---
diff --git a/src/plugins/Makefile.am b/src/plugins/Makefile.am
index 04396be..5156bb7 100644
--- a/src/plugins/Makefile.am
+++ b/src/plugins/Makefile.am
@@ -38,6 +38,7 @@ plugin_LTLIBRARIES = \
libgs_plugin_menu-spec-refine.la \
libgs_plugin_fedora_distro_upgrades.la \
libgs_plugin_fedora_provenance.la \
+ libgs_plugin_ubuntu-reviews.la \
libgs_plugin_fedora_tagger_usage.la \
libgs_plugin_epiphany.la \
libgs_plugin_icons.la
@@ -160,6 +161,12 @@ libgs_plugin_hardcoded_blacklist_la_LIBADD = $(GS_PLUGIN_LIBS)
libgs_plugin_hardcoded_blacklist_la_LDFLAGS = -module -avoid-version
libgs_plugin_hardcoded_blacklist_la_CFLAGS = $(GS_PLUGIN_CFLAGS) $(WARN_CFLAGS)
+libgs_plugin_ubuntu_reviews_la_SOURCES = \
+ gs-plugin-ubuntu-reviews.c
+libgs_plugin_ubuntu_reviews_la_LIBADD = $(GS_PLUGIN_LIBS) $(SOUP_LIBS) $(JSON_GLIB_LIBS) $(SQLITE_LIBS)
+libgs_plugin_ubuntu_reviews_la_LDFLAGS = -module -avoid-version
+libgs_plugin_ubuntu_reviews_la_CFLAGS = $(GS_PLUGIN_CFLAGS) $(WARN_CFLAGS)
+
libgs_plugin_packagekit_la_SOURCES = \
gs-plugin-packagekit.c \
packagekit-common.c \
diff --git a/src/plugins/gs-plugin-ubuntu-reviews.c b/src/plugins/gs-plugin-ubuntu-reviews.c
new file mode 100644
index 0000000..13927c7
--- /dev/null
+++ b/src/plugins/gs-plugin-ubuntu-reviews.c
@@ -0,0 +1,679 @@
+/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*-
+ *
+ * Copyright (C) 2016 Canonical Ltd.
+ *
+ * Licensed under the GNU General Public License Version 2
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <config.h>
+
+#include <string.h>
+#include <math.h>
+#include <libsoup/soup.h>
+#include <json-glib/json-glib.h>
+#include <sqlite3.h>
+
+#include <gs-plugin.h>
+#include <gs-utils.h>
+
+#include "gs-os-release.h"
+
+struct GsPluginPrivate {
+ gchar *db_path;
+ sqlite3 *db;
+ gsize db_loaded;
+};
+
+typedef struct {
+ gint64 one_star_count;
+ gint64 two_star_count;
+ gint64 three_star_count;
+ gint64 four_star_count;
+ gint64 five_star_count;
+} Histogram;
+
+const gchar *
+gs_plugin_get_name (void)
+{
+ return "ubuntu-reviews";
+}
+
+#define UBUNTU_REVIEWS_SERVER "https://reviews.ubuntu.com/reviews";
+
+/* Download new stats every three months */
+// FIXME: Much shorter time?
+#define REVIEW_STATS_AGE_MAX (60 * 60 * 24 * 7 * 4 * 3)
+
+void
+gs_plugin_initialize (GsPlugin *plugin)
+{
+ /* create private area */
+ plugin->priv = GS_PLUGIN_GET_PRIVATE (GsPluginPrivate);
+
+ /* check that we are running on Ubuntu */
+ if (!gs_plugin_check_distro_id (plugin, "ubuntu")) {
+ gs_plugin_set_enabled (plugin, FALSE);
+ g_debug ("disabling '%s' as we're not Ubuntu", plugin->name);
+ return;
+ }
+
+ plugin->priv->db_path = g_build_filename (g_get_user_data_dir (),
+ "gnome-software",
+ "ubuntu-reviews.db",
+ NULL);
+}
+
+const gchar **
+gs_plugin_get_deps (GsPlugin *plugin)
+{
+ static const gchar *deps[] = { NULL };
+ return deps;
+}
+
+void
+gs_plugin_destroy (GsPlugin *plugin)
+{
+ GsPluginPrivate *priv = plugin->priv;
+
+ g_clear_pointer (&priv->db, sqlite3_close);
+}
+
+static gint
+get_timestamp_sqlite_cb (void *data, gint argc,
+ gchar **argv, gchar **col_name)
+{
+ gint64 *timestamp = (gint64 *) data;
+ *timestamp = g_ascii_strtoll (argv[0], NULL, 10);
+ return 0;
+}
+
+static gboolean
+set_package_stats (GsPlugin *plugin,
+ const gchar *package_name,
+ Histogram *histogram,
+ GError **error)
+{
+ char *error_msg = NULL;
+ gint result;
+ g_autofree gchar *statement = NULL;
+
+ statement = g_strdup_printf ("INSERT OR REPLACE INTO review_stats (package_name, "
+ "one_star_count, two_star_count, three_star_count, "
+ "four_star_count, five_star_count) "
+ "VALUES ('%s', '%" G_GINT64_FORMAT "', '%" G_GINT64_FORMAT"', '%"
G_GINT64_FORMAT "', '%" G_GINT64_FORMAT "', '%" G_GINT64_FORMAT "');",
+ package_name, histogram->one_star_count, histogram->two_star_count,
+ histogram->three_star_count, histogram->four_star_count,
histogram->five_star_count);
+ result = sqlite3_exec (plugin->priv->db, statement, NULL, NULL, &error_msg);
+ if (result != SQLITE_OK) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "SQL error: %s", error_msg);
+ sqlite3_free (error_msg);
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+set_timestamp (GsPlugin *plugin,
+ const gchar *type,
+ GError **error)
+{
+ char *error_msg = NULL;
+ gint result;
+ g_autofree gchar *statement = NULL;
+
+ statement = g_strdup_printf ("INSERT OR REPLACE INTO timestamps (key, value) "
+ "VALUES ('%s', '%" G_GINT64_FORMAT "');",
+ type,
+ g_get_real_time () / G_USEC_PER_SEC);
+ result = sqlite3_exec (plugin->priv->db, statement, NULL, NULL, &error_msg);
+ if (result != SQLITE_OK) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "SQL error: %s", error_msg);
+ sqlite3_free (error_msg);
+ return FALSE;
+ }
+ return TRUE;
+}
+
+static gint
+get_review_stats_sqlite_cb (void *data,
+ gint argc,
+ gchar **argv,
+ gchar **col_name)
+{
+ Histogram *histogram = (Histogram *) data;
+ histogram->one_star_count = g_ascii_strtoll (argv[0], NULL, 10);
+ histogram->two_star_count = g_ascii_strtoll (argv[1], NULL, 10);
+ histogram->three_star_count = g_ascii_strtoll (argv[2], NULL, 10);
+ histogram->four_star_count = g_ascii_strtoll (argv[3], NULL, 10);
+ histogram->five_star_count = g_ascii_strtoll (argv[4], NULL, 10);
+ return 0;
+}
+
+static gboolean
+get_review_stats (GsPlugin *plugin,
+ const gchar *package_name,
+ gint *rating,
+ gint *review_ratings,
+ GError **error)
+{
+ Histogram histogram = { 0, 0, 0, 0, 0 };
+ gchar *error_msg = NULL;
+ gint result, n_ratings;
+ g_autofree gchar *statement = NULL;
+
+ /* Get histogram from the database */
+ statement = g_strdup_printf ("SELECT one_star_count, two_star_count, three_star_count,
four_star_count, five_star_count FROM review_stats "
+ "WHERE package_name = '%s'", package_name);
+ result = sqlite3_exec (plugin->priv->db,
+ statement,
+ get_review_stats_sqlite_cb,
+ &histogram,
+ &error_msg);
+ if (result != SQLITE_OK) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "SQL error: %s", error_msg);
+ sqlite3_free (error_msg);
+ return FALSE;
+ }
+
+ /* Convert to a rating */
+ // FIXME: Convert to a Wilson score
+ n_ratings = histogram.one_star_count + histogram.two_star_count + histogram.three_star_count +
histogram.four_star_count + histogram.five_star_count;
+ if (n_ratings == 0)
+ *rating = -1;
+ else
+ *rating = ((histogram.one_star_count * 20) + (histogram.two_star_count * 40) +
(histogram.three_star_count * 60) + (histogram.four_star_count * 80) + (histogram.five_star_count * 100)) /
n_ratings;
+ review_ratings[0] = 0;
+ review_ratings[1] = histogram.one_star_count;
+ review_ratings[2] = histogram.two_star_count;
+ review_ratings[3] = histogram.three_star_count;
+ review_ratings[4] = histogram.four_star_count;
+ review_ratings[5] = histogram.five_star_count;
+
+ return TRUE;
+}
+
+static gboolean
+parse_histogram (const gchar *text, Histogram *histogram)
+{
+ JsonParser *parser = NULL;
+ JsonArray *array;
+ gboolean result = FALSE;
+
+ /* Histogram is a five element JSON array, e.g. "[1, 3, 5, 8, 4]" */
+ parser = json_parser_new ();
+ if (!json_parser_load_from_data (parser, text, -1, NULL))
+ goto out;
+ if (!JSON_NODE_HOLDS_ARRAY (json_parser_get_root (parser)))
+ goto out;
+ array = json_node_get_array (json_parser_get_root (parser));
+ if (json_array_get_length (array) != 5)
+ goto out;
+ histogram->one_star_count = json_array_get_int_element (array, 0);
+ histogram->two_star_count = json_array_get_int_element (array, 1);
+ histogram->three_star_count = json_array_get_int_element (array, 2);
+ histogram->four_star_count = json_array_get_int_element (array, 3);
+ histogram->five_star_count = json_array_get_int_element (array, 4);
+ result = TRUE;
+
+out:
+ g_clear_object (&parser);
+
+ return result;
+}
+
+static gboolean
+parse_review_entry (JsonNode *node, const gchar **package_name, Histogram *histogram)
+{
+ JsonObject *object;
+ const gchar *name = NULL, *histogram_text = NULL;
+
+ if (!JSON_NODE_HOLDS_OBJECT (node))
+ return FALSE;
+
+ object = json_node_get_object (node);
+
+ name = json_object_get_string_member (object, "package_name");
+ histogram_text = json_object_get_string_member (object, "histogram");
+ if (!name || !histogram_text)
+ return FALSE;
+
+ if (!parse_histogram (histogram_text, histogram))
+ return FALSE;
+ *package_name = name;
+
+ return TRUE;
+}
+
+static gboolean
+parse_review_entries (GsPlugin *plugin, JsonParser *parser, GError **error)
+{
+ JsonArray *array;
+ guint i;
+
+ if (!JSON_NODE_HOLDS_ARRAY (json_parser_get_root (parser)))
+ return FALSE;
+ array = json_node_get_array (json_parser_get_root (parser));
+ for (i = 0; i < json_array_get_length (array); i++) {
+ const gchar *package_name;
+ Histogram histogram;
+
+ /* Read in from JSON... (skip bad entries) */
+ if (!parse_review_entry (json_array_get_element (array, i), &package_name, &histogram))
+ continue;
+
+ /* ...write into the database (abort everything if can't write) */
+ if (!set_package_stats (plugin, package_name, &histogram, error))
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+send_review_request (GsPlugin *plugin, const gchar *method, const gchar *path, JsonBuilder *request,
JsonParser **result, GError **error)
+{
+ g_autofree gchar *uri = NULL;
+ g_autoptr(SoupMessage) msg = NULL;
+ guint status_code;
+
+ uri = g_strdup_printf ("%s%s",
+ UBUNTU_REVIEWS_SERVER, path);
+ msg = soup_message_new (method, uri);
+
+ if (request != NULL) {
+ JsonGenerator *generator;
+ gchar *data;
+ gsize length;
+
+ generator = json_generator_new ();
+ json_generator_set_root (generator, json_builder_get_root (request));
+ data = json_generator_to_data (generator, &length);
+ soup_message_set_request (msg, "application/json", SOUP_MEMORY_TAKE, data, length);
+ g_object_unref (generator);
+ }
+
+ status_code = soup_session_send_message (plugin->soup_session, msg);
+ if (status_code != SOUP_STATUS_OK) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "Got status code %s from reviews.ubuntu.com",
+ soup_status_get_phrase (status_code));
+ return FALSE;
+ }
+
+ if (result != NULL) {
+ JsonParser *parser;
+ const gchar *content_type;
+
+ content_type = soup_message_headers_get_content_type (msg->response_headers, NULL);
+ if (g_strcmp0 (content_type, "application/json") != 0) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "Got unknown content type %s from reviews.ubuntu.com",
+ content_type);
+ return FALSE;
+ }
+
+ parser = json_parser_new ();
+ if (!json_parser_load_from_data (parser, msg->response_body->data, -1, error)) {
+ g_object_unref (parser);
+ return FALSE;
+ }
+ *result = parser;
+ }
+
+ return TRUE;
+}
+
+static gboolean
+download_review_stats (GsPlugin *plugin, GError **error)
+{
+ g_autofree gchar *uri = NULL;
+ g_autoptr(SoupMessage) msg = NULL;
+ JsonParser *result;
+ gboolean ret;
+
+ if (!send_review_request (plugin, SOUP_METHOD_GET, "/api/1.0/review-stats/any/any/", NULL, &result,
error))
+ return FALSE;
+
+ /* Extract the stats from the data */
+ ret = parse_review_entries (plugin, result, error);
+ g_object_unref (result);
+ if (!ret)
+ return FALSE;
+
+ /* Record the time we downloaded it */
+ return set_timestamp (plugin, "stats_mtime", error);
+}
+
+static gboolean
+load_database (GsPlugin *plugin, GError **error)
+{
+ const gchar *statement;
+ gboolean rebuild_ratings = FALSE;
+ char *error_msg = NULL;
+ gint result;
+ gint64 stats_mtime = 0;
+ gint64 now;
+ g_autoptr(GError) error_local = NULL;
+
+ g_debug ("trying to open database '%s'", plugin->priv->db_path);
+ if (!gs_mkdir_parent (plugin->priv->db_path, error))
+ return FALSE;
+ result = sqlite3_open (plugin->priv->db_path, &plugin->priv->db);
+ if (result != SQLITE_OK) {
+ g_set_error (error,
+ GS_PLUGIN_ERROR,
+ GS_PLUGIN_ERROR_FAILED,
+ "Can't open Ubuntu review statistics database: %s",
+ sqlite3_errmsg (plugin->priv->db));
+ return FALSE;
+ }
+
+ /* We don't need to keep doing fsync */
+ sqlite3_exec (plugin->priv->db, "PRAGMA synchronous=OFF",
+ NULL, NULL, NULL);
+
+ /* Create a table to store the stats */
+ result = sqlite3_exec (plugin->priv->db, "SELECT * FROM review_stats LIMIT 1", NULL, NULL,
&error_msg);
+ if (result != SQLITE_OK) {
+ g_debug ("creating table to repair: %s", error_msg);
+ sqlite3_free (error_msg);
+ statement = "CREATE TABLE review_stats ("
+ "package_name TEXT PRIMARY KEY,"
+ "one_star_count INTEGER DEFAULT 0,"
+ "two_star_count INTEGER DEFAULT 0,"
+ "three_star_count INTEGER DEFAULT 0,"
+ "four_star_count INTEGER DEFAULT 0,"
+ "five_star_count INTEGER DEFAULT 0);";
+ sqlite3_exec (plugin->priv->db, statement, NULL, NULL, NULL);
+ rebuild_ratings = TRUE;
+ }
+
+ /* Create a table to store local reviews */
+ result = sqlite3_exec (plugin->priv->db, "SELECT * FROM reviews LIMIT 1", NULL, NULL, &error_msg);
+ if (result != SQLITE_OK) {
+ g_debug ("creating table to repair: %s", error_msg);
+ sqlite3_free (error_msg);
+ statement = "CREATE TABLE reviews ("
+ "package_name TEXT PRIMARY KEY,"
+ "id TEXT,"
+ "version TEXT,"
+ "date TEXT,"
+ "rating INTEGER,"
+ "summary TEXT,"
+ "text TEXT);";
+ sqlite3_exec (plugin->priv->db, statement, NULL, NULL, NULL);
+ rebuild_ratings = TRUE;
+ }
+
+ /* Create a table to store timestamps */
+ result = sqlite3_exec (plugin->priv->db,
+ "SELECT value FROM timestamps WHERE key = 'stats_mtime' LIMIT 1",
+ get_timestamp_sqlite_cb, &stats_mtime,
+ &error_msg);
+ if (result != SQLITE_OK) {
+ g_debug ("creating table to repair: %s", error_msg);
+ sqlite3_free (error_msg);
+ statement = "CREATE TABLE timestamps ("
+ "key TEXT PRIMARY KEY,"
+ "value INTEGER DEFAULT 0);";
+ sqlite3_exec (plugin->priv->db, statement, NULL, NULL, NULL);
+
+ /* Set the time of database creation */
+ if (!set_timestamp (plugin, "stats_ctime", error))
+ return FALSE;
+ }
+
+ /* Download data if we have none or it is out of date */
+ now = g_get_real_time () / G_USEC_PER_SEC;
+ if (stats_mtime == 0 || rebuild_ratings) {
+ g_debug ("No Ubuntu review statistics");
+ if (!download_review_stats (plugin, &error_local)) {
+ g_warning ("Failed to get Ubuntu review statistics: %s",
+ error_local->message);
+ return TRUE;
+ }
+ } else if (now - stats_mtime > REVIEW_STATS_AGE_MAX) {
+ g_debug ("Ubuntu review statistics was %" G_GINT64_FORMAT
+ " days old, so regetting",
+ (now - stats_mtime) / ( 60 * 60 * 24));
+ if (!download_review_stats (plugin, error))
+ return FALSE;
+ } else {
+ g_debug ("Ubuntu review statistics %" G_GINT64_FORMAT
+ " days old, so no need to redownload",
+ (now - stats_mtime) / ( 60 * 60 * 24));
+ }
+ return TRUE;
+}
+
+static GDateTime *
+parse_date_time (const gchar *text)
+{
+ const gchar *format = "YYYY-MM-DD HH:MM:SS";
+ int i, value_index, values[6] = { 0, 0, 0, 0, 0, 0 };
+
+ if (!text)
+ return NULL;
+
+ /* Extract the numbers as shown in the format */
+ for (i = 0, value_index = 0; text[i] && format[i] && value_index < 6; i++) {
+ char c = text[i];
+
+ if (c == '-' || c == ' ' || c == ':') {
+ if (format[i] != c)
+ return NULL;
+ value_index++;
+ } else {
+ int d = c - '0';
+ if (d < 0 || d > 9)
+ return NULL;
+ values[value_index] = values[value_index] * 10 + d;
+ }
+ }
+
+ /* We didn't match the format */
+ if (format[i] != '\0' || text[i] != '\0' || value_index != 5)
+ return NULL;
+
+ /* Use the numbers to create a GDateTime object */
+ return g_date_time_new_utc (values[0], values[1], values[2], values[3], values[4], values[5]);
+}
+
+static GsReview *
+parse_review (JsonNode *node)
+{
+ GsReview *review;
+ JsonObject *object;
+ gint64 star_rating;
+
+ if (!JSON_NODE_HOLDS_OBJECT (node))
+ return NULL;
+
+ object = json_node_get_object (node);
+
+ review = gs_review_new ();
+ gs_review_set_reviewer (review, json_object_get_string_member (object, "reviewer_displayname"));
+ gs_review_set_summary (review, json_object_get_string_member (object, "summary"));
+ gs_review_set_text (review, json_object_get_string_member (object, "review_text"));
+ gs_review_set_version (review, json_object_get_string_member (object, "version"));
+ star_rating = json_object_get_int_member (object, "rating");
+ if (star_rating > 0)
+ gs_review_set_rating (review, star_rating * 20);
+ gs_review_set_date (review, parse_date_time (json_object_get_string_member (object, "date_created")));
+ gs_review_add_metadata (review, "ubuntu-id", json_object_get_string_member (object, "id"));
+
+ return review;
+}
+
+static gboolean
+parse_reviews (GsPlugin *plugin, JsonParser *parser, GsApp *app, GError **error)
+{
+ JsonArray *array;
+ guint i;
+
+ if (!JSON_NODE_HOLDS_ARRAY (json_parser_get_root (parser)))
+ return FALSE;
+ array = json_node_get_array (json_parser_get_root (parser));
+ for (i = 0; i < json_array_get_length (array); i++) {
+ GsReview *review;
+
+ /* Read in from JSON... (skip bad entries) */
+ review = parse_review (json_array_get_element (array, i));
+ if (!review)
+ continue;
+
+ gs_app_add_review (app, review);
+ g_object_unref (review);
+ }
+
+ return TRUE;
+}
+
+static gboolean
+download_reviews (GsPlugin *plugin, GsApp *app, const gchar *package_name, GError **error)
+{
+ g_autofree gchar *path = NULL;
+ JsonParser *result;
+ gboolean ret;
+
+ /* Get the review stats using HTTP */
+ // FIXME: This will only get the first page of reviews
+ path = g_strdup_printf ("/api/1.0/reviews/filter/any/any/any/any/%s/", package_name);
+ if (!send_review_request (plugin, SOUP_METHOD_GET, path, NULL, &result, error))
+ return FALSE;
+
+ /* Extract the stats from the data */
+ ret = parse_reviews (plugin, result, app, error);
+ g_object_unref (result);
+
+ return ret;
+}
+
+static gboolean
+refine_rating (GsPlugin *plugin, GsApp *app, GError **error)
+{
+ GPtrArray *sources;
+ guint i;
+
+ /* Load database once */
+ if (g_once_init_enter (&plugin->priv->db_loaded)) {
+ gboolean ret = load_database (plugin, error);
+ g_once_init_leave (&plugin->priv->db_loaded, TRUE);
+ if (!ret)
+ return FALSE;
+ }
+
+ /* Skip if already has a rating */
+ if (gs_app_get_rating (app) != -1)
+ return TRUE;
+
+ sources = gs_app_get_sources (app);
+ for (i = 0; i < sources->len; i++) {
+ const gchar *package_name;
+ gint rating;
+ gint review_ratings[6];
+ gboolean ret;
+
+ /* If we have a local review, use that as the rating */
+ // FIXME
+
+ /* Otherwise use the statistics */
+ package_name = g_ptr_array_index (sources, i);
+ ret = get_review_stats (plugin, package_name, &rating, review_ratings, error);
+ if (!ret)
+ return FALSE;
+ if (rating != -1) {
+ g_autoptr(GArray) ratings = NULL;
+
+ g_debug ("ubuntu-reviews setting rating on %s to %i%%",
+ package_name, rating);
+ gs_app_set_rating (app, rating);
+ ratings = g_array_sized_new (FALSE, FALSE, sizeof (gint), 6);
+ g_array_append_vals (ratings, review_ratings, 6);
+ gs_app_set_review_ratings (app, ratings);
+ if (rating > 80)
+ gs_app_add_kudo (app, GS_APP_KUDO_POPULAR);
+ }
+ }
+
+ return TRUE;
+}
+
+static gboolean
+refine_reviews (GsPlugin *plugin, GsApp *app, GError **error)
+{
+ GPtrArray *sources;
+ guint i;
+
+ /* Skip if already has reviews */
+ if (gs_app_get_reviews (app)->len > 0)
+ return TRUE;
+
+ sources = gs_app_get_sources (app);
+ for (i = 0; i < sources->len; i++) {
+ const gchar *package_name;
+ gboolean ret;
+
+ package_name = g_ptr_array_index (sources, i);
+ ret = download_reviews (plugin, app, package_name, error);
+ if (!ret)
+ return FALSE;
+ }
+
+ return TRUE;
+}
+
+gboolean
+gs_plugin_refine (GsPlugin *plugin,
+ GList **list,
+ GsPluginRefineFlags flags,
+ GCancellable *cancellable,
+ GError **error)
+{
+ GList *l;
+ gboolean ret = TRUE;
+
+ for (l = *list; l != NULL; l = l->next) {
+ GsApp *app = GS_APP (l->data);
+
+ if ((flags & (GS_PLUGIN_REFINE_FLAGS_REQUIRE_RATING |
GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEW_RATINGS)) != 0) {
+ if (!refine_rating (plugin, app, error))
+ return FALSE;
+ }
+ if ((flags & GS_PLUGIN_REFINE_FLAGS_REQUIRE_REVIEWS) != 0) {
+ if (!refine_reviews (plugin, app, error))
+ return FALSE;
+ }
+ }
+
+ return ret;
+}
+
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