From d027b57c66dcdb183683c34101518df1572c1bf8 Mon Sep 17 00:00:00 2001
From: ulrich
Date: Mon, 12 Apr 2021 16:53:30 +0000
Subject: [PATCH] Livestreams erste Fassung fertig

---
 src/de/uhilger/mediaz/api/ListHandler.java |   41 ++++++++++++++++++++++++++---------------
 1 files changed, 26 insertions(+), 15 deletions(-)

diff --git a/src/de/uhilger/mediaz/api/ListHandler.java b/src/de/uhilger/mediaz/api/ListHandler.java
index 84a9056..be42315 100644
--- a/src/de/uhilger/mediaz/api/ListHandler.java
+++ b/src/de/uhilger/mediaz/api/ListHandler.java
@@ -35,6 +35,7 @@
  * PUT /mz/api/alist/[pl-name]          den Titel im Body anfuegen an die Liste [pl-name]
  * PUT /mz/api/alist/[pl-name]/[nr]     an der Position nr der Liste [pl-name] den Titel im Body einfuegen
  * DELETE /mz/api/alist/[pl-name]/[nr]  den Titel an der Position [nr] aus der Liste [pl-name] entfernen  
+ * DELETE /mz/api/alist/[pl-name]/alle  alle Titel aus der Liste [pl-name] entfernen  
  *
  * @author Ulrich Hilger
  * @version 1, 8.4.2021
@@ -42,31 +43,27 @@
 public class ListHandler extends AbstractHandler {
   
   private static final Logger logger = Logger.getLogger(ListHandler.class.getName());
+  
+  public static final String ALLE_TITEL = "alle";
 
 
   @Override
   protected String get(HttpExchange e) {
     String path = e.getRequestURI().toString();
-    String[] elems = path.split(App.getRs(Server.RB_SLASH));
+    String[] elems = path.split(Server.SLASH);
     String plname = elems[elems.length - 1];
-    logger.finer("GET plname: " + plname);
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
     String json = fs.readJson(FileStorage.ST_ABSPIELLISTE, plname);
-    logger.finer("PL json: " + json);
-    return json;
+    return embedInCustomType(json, FileStorage.ST_ABSPIELLISTE);
   }
 
   @Override
   protected String put(HttpExchange e) throws IOException {
     String path = e.getRequestURI().toString();
-    String[] elems = path.split(App.getRs(Server.RB_SLASH));
+    String[] elems = path.split(Server.SLASH);
     String response = "ListHandler.put: ungueltiger URL";
-    logger.finer("elems.length: " + elems.length);
-    for(String elem : elems) {
-      logger.finer("elem: " + elem);
-    }
     switch(elems.length) {
-      case 5:
+      case 5: // ohne nr am Ende
         response = addTitel(e, elems[4]);
         break;
         
@@ -78,16 +75,12 @@
   }
   
   private String addTitel(HttpExchange e, String plname) throws IOException {
-    //String plname = elems[elems.length - 1];
-    logger.finer("plname: " + plname);
     FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
     Entity entity = fs.read(FileStorage.ST_ABSPIELLISTE, plname);
     String response = "Titel konnte nicht hinzugefuegt werden.";
     if(entity instanceof Abspielliste) {
       Abspielliste aliste = (Abspielliste) entity;
-      logger.finer("aliste: " + aliste.getName());
       String titelJson = bodyLesen(e);
-      logger.finer("titelJson: " + titelJson);
       Gson gson = new Gson();
       Object o = gson.fromJson(titelJson, fs.typeFromName(Titel.class.getSimpleName()).getType());
       if(o instanceof Titel) {
@@ -105,9 +98,27 @@
     throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
   }
 
+  // DELETE /mz/api/alist/[pl-name]/[nr]  den Titel an der Position [nr] aus der Liste [pl-name] entfernen  
   @Override
   protected boolean delete(HttpExchange e) {
-    throw new UnsupportedOperationException("Not supported yet."); //To change body of generated methods, choose Tools | Templates.
+    String path = e.getRequestURI().toString();
+    String[] elems = path.split(Server.SLASH);
+    String listName = elems[elems.length - 2];
+    FileStorage fs = new FileStorage(App.getInitParameter(App.getRs(App.RB_AP_CONF)));
+    Entity entity = fs.read(Abspielliste.class.getSimpleName(), listName);
+    if(entity instanceof Abspielliste) {
+      Abspielliste liste = (Abspielliste) entity;
+      String titelStr = elems[elems.length-1];
+      if(titelStr.equalsIgnoreCase(ALLE_TITEL)) {
+        liste.getTitel().clear();
+      } else {
+        liste.getTitel().remove(Integer.parseInt(elems[elems.length-1]));
+      }
+      fs.write(liste, true);
+      return true;
+    } else {
+      return false;
+    }
   }
   
 }

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