git.maemo.org Git - jamendo/blob - src/jamendo_api.c

   1 /*
   2  * jamendo_api.c
   3  *
   4  *  Created on: 2009-10-05
   5  *      Author: marcin
   6  */
   7
   8 #include "jamendo_api.h"
   9 #include "http_utils.h"
  10
  11 static const gchar * const GET_API = "http://api.jamendo.com/get2/";
  12
  13 typedef gpointer (*NodeParseFunc)(xmlNode*);
  14 static GList* xml_query(gchar* query, NodeParseFunc node_parse_func);
  15
  16 GList* jamendo_get_popular_albums_week() {
  17         return xml_query("id+name+image+rating+artist_name/album/xml/?n=25&order=ratingweek_desc", (NodeParseFunc)album_new_from_xml);
  18 }
  19
  20 GList* jamendo_search_for_albums_by_tag(const gchar* tag) {
  21         gchar* query = g_strdup_printf("id+name+image+rating+artist_name/album/xml/?n=50&order=ratingweek_desc&tag_idstr=%s",tag);
  22         GList* album_list = xml_query(query, (NodeParseFunc)album_new_from_xml);
  23         g_free(query);
  24         return album_list;
  25 }
  26
  27 GList* jamendo_search_for_albums_by_artist(const gchar* artist_name) {
  28         gchar* query = g_strdup_printf("id+name+image+rating+artist_name/album/xml/?n=50&order=ratingweek_desc&searchquery=%s",artist_name);
  29         GList* album_list = xml_query(query, (NodeParseFunc)album_new_from_xml);
  30         g_free(query);
  31         return album_list;
  32 }
  33
  34 GList* jamendo_search_for_user_starred_albums(const gchar* user) {
  35         gchar* query = g_strdup_printf("id+name+image+rating+artist_name/album/xml/album_user_starred/?user_idstr=%s&n=all&order=rating_desc",user);
  36         GList* album_list = xml_query(query, (NodeParseFunc)album_new_from_xml);
  37         g_free(query);
  38         return album_list;
  39 }
  40
  41 GList* jamendo_search_for_user_playlist(const gchar* user) {
  42         //TODO: implement playlists support
  43         return NULL;
  44 }
  45
  46 GList* jamendo_get_album_tracks(Album* album) {
  47         gchar* query = g_strdup_printf("id+name+duration+rating+stream+artist_name/track/xml/track_album+album_artist/?album_id=%d",album->id);
  48         GList *track_list = xml_query(query, (NodeParseFunc)track_new_from_xml);
  49         g_free(query);
  50         return track_list;
  51 }
  52
  53 GList* jamendo_get_top_100() {
  54         gchar* query = "id+name+duration+rating+stream+album_name+artist_name/track/xml/track_album+album_artist/?n=100&order=ratingweek_desc";
  55         GList *track_list = xml_query(query, (NodeParseFunc)track_new_from_xml);
  56         return track_list;
  57 }
  58
  59 GList* jamendo_get_radios() {
  60         gchar* query = "id+idstr+image/radio/xml/?id=4+5+6+7+8+9";
  61         GList *radio_list = xml_query(query, (NodeParseFunc)radio_new_from_xml);
  62         return radio_list;
  63 }
  64
  65 GList* jamendo_get_radio_playlist(Radio* radio) {
  66         gchar* query = g_strdup_printf("id+name+duration+rating+stream+artist_name/track/xml/radio_track_inradioplaylist+track_album+album_artist/?radio_id=%d&nshuffle=1&n=%d",radio->id,100);
  67         GList *track_list = xml_query(query, (NodeParseFunc)track_new_from_xml);
  68         g_free(query);
  69         return track_list;
  70 }
  71
  72 /*
  73  * Helper function for XML query parsing
  74  */
  75 static GList* xml_query(gchar* query, NodeParseFunc node_parse_func) {
  76         GList *parsed_list = NULL;
  77
  78         gchar* uri = g_strdup_printf("%s%s", GET_API, query);
  79         xmlDocPtr doc = http_get_xml(uri);
  80         g_free(uri);
  81         if (doc) {
  82                 xmlNode *root_node = xmlDocGetRootElement(doc);
  83                 if (root_node->type == XML_ELEMENT_NODE && g_strcmp0((gchar*) root_node->name, "data") == 0) {
  84                         xmlNode* child_node;
  85                         for (child_node = root_node->children; child_node; child_node = child_node->next) {
  86                                 gpointer parsed_object = node_parse_func(child_node);
  87                                 if (parsed_object) {
  88                                         parsed_list = g_list_append(parsed_list, parsed_object);
  89                                 }
  90                         }
  91                 }
  92         }
  93
  94         xmlFreeDoc(doc);
  95         return parsed_list;
  96 }