gchar *
grl_tracker_source_get_select_string (const GList *keys)
{
const GList *key = keys;
GString *gstr = g_string_new ("");
GList *assoc_list;
tracker_grl_sparql_t *assoc;
assoc_list = get_mapping_from_grl (grl_metadata_key_tracker_urn);
assoc = (tracker_grl_sparql_t *) assoc_list->data;
g_string_append_printf (gstr, "%s AS %s ",
assoc->sparql_key_attr_call,
assoc->sparql_key_name);
while (key != NULL) {
assoc_list = get_mapping_from_grl (GRLPOINTER_TO_KEYID (key->data));
while (assoc_list != NULL) {
assoc = (tracker_grl_sparql_t *) assoc_list->data;
if (assoc != NULL) {
g_string_append_printf (gstr, "%s AS %s ",
assoc->sparql_key_attr_call,
assoc->sparql_key_name);
}
assoc_list = assoc_list->next;
}
key = key->next;
}
return g_string_free (gstr, FALSE);
}
gchar *
grl_tracker_get_delete_string (const GList *keys)
{
gboolean first = TRUE;
const GList *key = keys, *assoc_list;
tracker_grl_sparql_t *assoc;
GString *gstr = g_string_new ("");
gchar *ret;
gint var_n = 0;
while (key != NULL) {
assoc_list = get_mapping_from_grl (GRLPOINTER_TO_KEYID (key->data));
while (assoc_list != NULL) {
assoc = (tracker_grl_sparql_t *) assoc_list->data;
if (assoc != NULL) {
if (first) {
g_string_append_printf (gstr, "%s ?v%i",
assoc->sparql_key_attr, var_n);
first = FALSE;
} else {
g_string_append_printf (gstr, " ; %s ?v%i",
assoc->sparql_key_attr, var_n);
}
var_n++;
}
assoc_list = assoc_list->next;
}
key = key->next;
}
ret = gstr->str;
g_string_free (gstr, FALSE);
return ret;
}
gchar *
grl_tracker_tracker_get_insert_string (GrlMedia *media, const GList *keys)
{
gboolean first = TRUE;
const GList *key = keys, *assoc_list;
tracker_grl_sparql_t *assoc;
GString *gstr = g_string_new ("");
gchar *ret;
while (key != NULL) {
assoc_list = get_mapping_from_grl (GRLPOINTER_TO_KEYID (key->data));
while (assoc_list != NULL) {
assoc = (tracker_grl_sparql_t *) assoc_list->data;
if (assoc != NULL) {
if (grl_data_has_key (GRL_DATA (media),
GRLPOINTER_TO_KEYID (key->data))) {
if (first) {
gen_prop_insert_string (gstr, assoc, GRL_DATA (media));
first = FALSE;
} else {
g_string_append (gstr, " ; ");
gen_prop_insert_string (gstr, assoc, GRL_DATA (media));
}
}
}
assoc_list = assoc_list->next;
}
key = key->next;
}
ret = gstr->str;
g_string_free (gstr, FALSE);
return ret;
}
gchar *
grl_tracker_tracker_get_insert_string (GrlMedia *media, const GList *keys)
{
gboolean first = TRUE;
const GList *key;
GString *gstr = g_string_new ("");
for (key = keys; key != NULL; key = key->next) {
const GList *assoc_list;
GrlKeyID key_id = GRLPOINTER_TO_KEYID (key->data);
for (assoc_list = get_mapping_from_grl (key_id);
assoc_list != NULL;
assoc_list = assoc_list->next) {
tracker_grl_sparql_t *assoc = assoc_list->data;
if (assoc == NULL)
continue;
/* The favourite key is really setting or deleting a tag
* in tracker, so in the case of setting it to false skip
* the insert string creation step for this key completely.
*/
if (assoc->grl_key == GRL_METADATA_KEY_FAVOURITE &&
!grl_media_get_favourite (media))
continue;
if (!grl_data_has_key (GRL_DATA (media), key_id))
continue;
if (!first)
g_string_append (gstr, " ; ");
gen_prop_insert_string (gstr, assoc, GRL_DATA (media));
first = FALSE;
}
}
return g_string_free (gstr, FALSE);
}
