command: add "findadd" command.

NEWS

@@ -3,6 +3,7 @@ ver 0.16 (20??/??/??)
   - send song modification time to client
   - added "update" idle event
   - removed the deprecated "volume" command
+  - added the "findadd" command
 * input:
   - lastfm: use metadata
 * tags:

doc/protocol.xml

@@ -1100,6 +1100,23 @@ OK
             </para>
           </listitem>
         </varlistentry>
+        <varlistentry id="command_findadd">
+          <term>
+            <cmdsynopsis>
+              <command>findadd</command>
+              <arg choice="req"><replaceable>TYPE</replaceable></arg>
+              <arg choice="req"><replaceable>WHAT</replaceable></arg>
+            </cmdsynopsis>
+          </term>
+          <listitem>
+            <para>
+              Finds songs in the db that are exactly
+              <varname>WHAT</varname> and adds them to current playlist.
+              <varname>TYPE</varname> can be any tag supported by MPD.
+              <varname>WHAT</varname> is what to find.
+            </para>
+          </listitem>
+        </varlistentry>
         <varlistentry id="command_list">
           <term>
             <cmdsynopsis>

src/command.c

@@ -869,6 +869,30 @@ handle_find(struct client *client, int argc, char *argv[])
 	return ret;
 }
 
+static enum command_return
+handle_findadd(struct client *client, int argc, char *argv[])
+{
+    int ret;
+    struct locate_item_list *list =
+	    locate_item_list_parse(argv + 1, argc - 1);
+    if (list == NULL || list->length == 0) {
+	    if (list != NULL)
+		    locate_item_list_free(list);
+
+	    command_error(client, ACK_ERROR_ARG, "incorrect arguments");
+	    return COMMAND_RETURN_ERROR;
+    }
+
+    ret = findAddIn(client, NULL, list);
+    if (ret == -1)
+	    command_error(client, ACK_ERROR_NO_EXIST,
+			  "directory or file not found");
+
+    locate_item_list_free(list);
+
+    return ret;
+}
+
 static enum command_return
 handle_search(struct client *client, int argc, char *argv[])
 {
@@ -1671,6 +1695,7 @@ static const struct command commands[] = {
 	{ "disableoutput", PERMISSION_ADMIN, 1, 1, handle_disableoutput },
 	{ "enableoutput", PERMISSION_ADMIN, 1, 1, handle_enableoutput },
 	{ "find", PERMISSION_READ, 2, -1, handle_find },
+	{ "findadd", PERMISSION_READ, 2, -1, handle_findadd},
 	{ "idle", PERMISSION_READ, 0, -1, handle_idle },
 	{ "kill", PERMISSION_ADMIN, -1, -1, handle_kill },
 	{ "list", PERMISSION_READ, 1, -1, handle_list },

src/dbUtils.c

@@ -199,6 +199,28 @@ int addAllInToStoredPlaylist(const char *name, const char *utf8file)
 	return db_walk(name, directoryAddSongToStoredPlaylist, NULL, &data);
 }
 
+static int
+findAddInDirectory(struct song *song, void *_data)
+{
+	struct search_data *data = _data;
+
+	if (locate_song_match(song, data->criteria))
+		return directoryAddSongToPlaylist(song, data);
+
+	return 0;
+}
+
+int findAddIn(struct client *client, const char *name,
+	      const struct locate_item_list *criteria)
+{
+	struct search_data data;
+
+	data.client   = client;
+	data.criteria = criteria;
+
+	return db_walk(name, findAddInDirectory, NULL, &data);
+}
+
 static int
 directoryPrintSongInfo(struct song *song, void *data)
 {

src/dbUtils.h

@@ -39,6 +39,10 @@ int
 findSongsIn(struct client *client, const char *name,
 	    const struct locate_item_list *criteria);
 
+int
+findAddIn(struct client *client, const char *name,
+	  const struct locate_item_list *criteria);
+
 int
 searchStatsForSongsIn(struct client *client, const char *name,
 		      const struct locate_item_list *criteria);