[http_daapd] Add option to hide albums/artists with just one track

forked-daapd.conf

@@ -78,6 +78,12 @@ library {
 	# (changing this setting only takes effect after rescan, see the README)
 	compilation_artist = "Various artists"
 
+	# If your album and artist lists are cluttered, you can choose to hide
+	# albums and artists with only one track. The tracks will still be
+	# visible in other lists, e.g. songs and playlists. This setting
+	# currently only works in some remotes.
+#	hide_singles = false
+
 	# Internet streams in your playlists will by default be shown in the
 	# "Radio" library, like iTunes does. However, some clients (like
 	# TunesRemote+) won't show the "Radio" library. If you would also like

src/conffile.c

@@ -69,6 +69,7 @@ static cfg_opt_t sec_library[] =
     CFG_STR_LIST("audiobooks", NULL, CFGF_NONE),
     CFG_STR_LIST("compilations", NULL, CFGF_NONE),
     CFG_STR("compilation_artist", NULL, CFGF_NONE),
+    CFG_BOOL("hide_singles", cfg_false, CFGF_NONE),
     CFG_BOOL("radio_playlists", cfg_false, CFGF_NONE),
     CFG_STR("name_library", "Library", CFGF_NONE),
     CFG_STR("name_music", "Music", CFGF_NONE),

src/httpd_daap.c

@@ -1848,6 +1848,7 @@ daap_reply_groups(struct evhttp_request *req, struct evbuffer *evbuf, char **uri
   const struct dmap_field *df;
   const struct dmap_field **meta;
   struct sort_ctx *sctx;
+  cfg_t *lib;
   const char *param;
   char **strval;
   char *tag;
@@ -1979,6 +1980,11 @@ daap_reply_groups(struct evhttp_request *req, struct evbuffer *evbuf, char **uri
       if (strlen(dbgri.itemname) == 0)
 	continue;
 
+      /* Don't add single item albums/artists if configured to hide */
+      lib = cfg_getsec(cfg, "library");
+      if (cfg_getbool(lib, "hide_singles") && (strcmp(dbgri.itemcount, "1") == 0))
+	continue;
+
       ngrp++;
 
       for (i = 0; i < nmeta; i++)