From 880a0446c465d22ea3e36db838b8df1e594fa4da Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <PromyLOPh@gmail.com>
Date: Thu, 19 Jun 2008 15:49:23 +0200
Subject: "Add more music" implemented

This can add more track/artist seeds to the currently played station
---
 libpiano/src/main.c  | 38 ++++++++++++++++++++++++++++++++++++++
 libpiano/src/piano.h |  2 ++
 libpiano/src/xml.c   | 25 +++++++++++++++++++++++++
 libpiano/src/xml.h   |  2 ++
 4 files changed, 67 insertions(+)

(limited to 'libpiano')

diff --git a/libpiano/src/main.c b/libpiano/src/main.c
index 99daee1..1d5a6d0 100644
--- a/libpiano/src/main.c
+++ b/libpiano/src/main.c
@@ -464,3 +464,41 @@ PianoReturn_t PianoCreateStation (PianoHandle_t *ph, char *musicId) {
 
 	return ret;
 }
+
+/* FIXME: update station data instead of replacing them */
+/*	add more music to existing station; multithreaded apps beware! this alters
+ *	station data, don't forget to lock the station pointer you passed to this
+ *	function
+ *	@public yes
+ *	@param piano handle
+ *	@param add music to this station
+ *	@param music id; can be obtained with PianoSearchMusic ()
+ */
+PianoReturn_t PianoStationAddMusic (PianoHandle_t *ph,
+		PianoStation_t *station, char *musicId) {
+	char xmlSendBuf[10000], url[PIANO_URL_BUFFER_SIZE];
+	char *requestStr, *retStr;
+	PianoReturn_t ret;
+
+	snprintf (xmlSendBuf, sizeof (xmlSendBuf), "<?xml version=\"1.0\"?>"
+			"<methodCall><methodName>station.addSeed</methodName><params>"
+			"<param><value><int>%li</int></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"<param><value><string>%s</string></value></param>"
+			"</params></methodCall>", time (NULL), ph->user.authToken,
+			station->id, musicId);
+	requestStr = PianoEncryptString (xmlSendBuf);
+
+	snprintf (url, sizeof (url), PIANO_RPC_URL "rid=%s&lid=%s"
+			"&method=addSeed&arg1=%s&arg2=%s", ph->routeId,
+			ph->user.listenerId, station->id, musicId);
+	
+	PianoHttpPost (ph->curlHandle, url, requestStr, &retStr);
+	ret = PianoXmlParseAddSeed (ph, retStr, station);
+
+	free (requestStr);
+	free (retStr);
+
+	return ret;
+}
diff --git a/libpiano/src/piano.h b/libpiano/src/piano.h
index bd90c4c..f2b8f95 100644
--- a/libpiano/src/piano.h
+++ b/libpiano/src/piano.h
@@ -162,5 +162,7 @@ PianoReturn_t PianoDeleteStation (PianoHandle_t *ph, PianoStation_t *station);
 PianoReturn_t PianoSearchMusic (PianoHandle_t *ph, char *searchStr,
 		PianoSearchResult_t *searchResult);
 PianoReturn_t PianoCreateStation (PianoHandle_t *ph, char *musicId);
+PianoReturn_t PianoStationAddMusic (PianoHandle_t *ph,
+		PianoStation_t *station, char *musicId);
 
 #endif /* _PIANO_H */
diff --git a/libpiano/src/xml.c b/libpiano/src/xml.c
index 1267951..2d9e82d 100644
--- a/libpiano/src/xml.c
+++ b/libpiano/src/xml.c
@@ -348,6 +348,31 @@ PianoReturn_t PianoXmlParseCreateStation (PianoHandle_t *ph, char *xml) {
 	return PIANO_RET_OK;
 }
 
+/*	parse "add seed" answer, nearly the same as ParseCreateStation
+ *	@param piano handle
+ *	@param xml document
+ *	@param update this station
+ */
+PianoReturn_t PianoXmlParseAddSeed (PianoHandle_t *ph, char *xml,
+		PianoStation_t *station) {
+	xmlNode *docRoot;
+	xmlDocPtr doc;
+	PianoReturn_t ret;
+
+	if ((ret = PianoXmlInitDoc (xml, &doc, &docRoot)) != PIANO_RET_OK) {
+		return ret;
+	}
+
+	/* get <struct> node */
+	xmlNode *dataRoot = docRoot->children->children->children->children;
+	PianoDestroyStation (station);
+	PianoXmlStructParser (dataRoot, PianoXmlParseStationsCb, station);
+	
+	xmlFreeDoc (doc);
+
+	return PIANO_RET_OK;
+}
+
 /*	parses playlist; used when searching too
  *	@param piano handle
  *	@param xml document
diff --git a/libpiano/src/xml.h b/libpiano/src/xml.h
index 1165f12..ebc2df7 100644
--- a/libpiano/src/xml.h
+++ b/libpiano/src/xml.h
@@ -32,6 +32,8 @@ PianoReturn_t PianoXmlParseSearch (char *searchXml,
 		PianoSearchResult_t *searchResult);
 PianoReturn_t PianoXmlParseSimple (char *xml);
 PianoReturn_t PianoXmlParseCreateStation (PianoHandle_t *ph, char *xml);
+PianoReturn_t PianoXmlParseAddSeed (PianoHandle_t *ph, char *xml,
+		PianoStation_t *station);
 
 char *PianoXmlEncodeString (const char *s);
 
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