Directly start a song from list

src/WebContent.h

@@ -66,6 +66,7 @@ const char index_html[] PROGMEM = R"rawliteral(
         var liText = this.innerText;
         var inputField = document.getElementById('titleid');
         inputField.value = liText;
+        playNamedSong(liText);
       });
     });
 
@@ -92,6 +93,16 @@ const char index_html[] PROGMEM = R"rawliteral(
     document.getElementById("state").innerHTML = state;
    }
 
+   function playNamedSong(song) {
+    var xhr = new XMLHttpRequest();
+    xhr.open("POST", "/playnamed");
+    xhr.setRequestHeader("Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
+    //application/x-www-form-urlencoded
+    var body = song;
+    xhr.send("title="+encodeURIComponent(body));
+
+   }
+
   </script>
   </body>
 </html>)rawliteral";

src/globals.h

@@ -5,6 +5,8 @@ void stop();
 
 void start();
 
+bool playFile(const char* filename, uint32_t resumeFilePos = 0);
+
 void loop2(void* parameter);
 
 void named_song_action(AsyncWebServerRequest *request);
@@ -30,6 +32,22 @@ String getRFIDString(byte uidByte[10])
     return uidString;
 }
 
+void writeFile(fs::FS &fs, const char * path, const char * message){
+  Serial.printf("Writing file: %s\n", path);
+
+  File file = fs.open(path, FILE_WRITE);
+  if(!file){
+    Serial.println("Failed to open file for writing");
+    return;
+  }
+  if(file.print(message)){
+    Serial.println("File written");
+  } else {
+    Serial.println("Write failed");
+  }
+  file.close();
+}
+
 unsigned long lastStart = 0;
 
 const int startDelay = 250;

src/main.cpp

@@ -88,7 +88,7 @@ void playSongByName(String song) {
   Serial.println(mp3File.c_str());
   deactivateRFID();
   activateSD();
-  audio.connecttoSD(mp3File.c_str());
+  playFile(mp3File.c_str());
   activateRFID();
   deactivateSD();
 }
@@ -101,6 +101,18 @@ void playSongByRFID(String id) {
   
 }
 
+/**
+ * @brief Wrapper, so that we can intercept each call for other stuff.
+ * 
+ * @param filename 
+ * @param resumeFilePos 
+ * @return true 
+ * @return false 
+ */
+bool playFile(const char* filename, uint32_t resumeFilePos) {
+  return audio.connecttoSD(filename, resumeFilePos);
+}
+
 
 
 void playNextMp3()
@@ -123,7 +135,7 @@ void playNextMp3()
   Serial.println(mp3File.c_str());
   deactivateRFID();
   activateSD();
-  audio.connecttoSD(mp3File.c_str());
+  playFile(mp3File.c_str());
   activateRFID();
   deactivateSD();
 }