From 8e44e37804ff7ece5389d9f974ff20232693267f Mon Sep 17 00:00:00 2001
From: Georg Reisinger <georg@dergeorg.at>
Date: Wed, 30 Dec 2020 15:30:50 +0100
Subject: [PATCH] delTradingDeal + unlock card

---
 src/main/java/at/reisinger/DBConnection.java  | 10 +++++++-
 .../at/reisinger/server/objects/Response.java | 23 ++++++++++++++++++-
 2 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/src/main/java/at/reisinger/DBConnection.java b/src/main/java/at/reisinger/DBConnection.java
index 24cceef..b0201aa 100644
--- a/src/main/java/at/reisinger/DBConnection.java
+++ b/src/main/java/at/reisinger/DBConnection.java
@@ -46,10 +46,18 @@ public class DBConnection {
      * @return true bei erfolg, sonst false
      */
     public boolean updateCardLock(String name, boolean lock){
-        System.out.println("Update user_cards set gesperrt = " + lock + " where name = \'" + name + "\';");
         return PostgresHelper.executeUpdate("Update user_cards set gesperrt = " + lock + " where name = \'" + name + "\';");
     }
 
+    /**
+     * Löscht einen Trading Deal aus der Datenbank
+     * @param id Id des deals der gelöscht werden soll
+     * @return True bei erfolg, sonst false
+     */
+    public boolean deleteTradingDeal(String id){
+        return PostgresHelper.executeUpdate("delete from trading where id = \'" + id + "\';");
+    }
+
     /**
      * Fügt der DB einen Trading deal hinzu
      * @param username User der den Trade hinzufügt
diff --git a/src/main/java/at/reisinger/server/objects/Response.java b/src/main/java/at/reisinger/server/objects/Response.java
index 717dd5e..783b72c 100644
--- a/src/main/java/at/reisinger/server/objects/Response.java
+++ b/src/main/java/at/reisinger/server/objects/Response.java
@@ -405,7 +405,28 @@ public class Response {
      * @throws JsonProcessingException Fehler beim de-/serialisieren
      */
     private void deleteMethodes(){
-        if (this.url.startsWith("/messages")) {
+        if (this.url.startsWith("/tradings")) {
+            String tradeid = this.url.substring(this.url.lastIndexOf('/') + 1);
+            System.out.println("Format in /tradings/{tradingid}: " + tradeid);
+            ArrayList<TradingDeal> allTradingDeals = new DBConnection().getAllTradingDeals();
+            TradingDeal tr = null;
+            if (allTradingDeals != null && !allTradingDeals.isEmpty()) {
+                for (TradingDeal i : allTradingDeals) {
+                    if (i.getId().equals(tradeid)) {
+                        tr = i;
+                    }
+                }
+                if (tr != null) {
+                    if (new DBConnection().deleteTradingDeal(tradeid)) {
+                        if (new DBConnection().updateCardLock(tr.getCardToTrade().getName(), false))
+                            sendResponse("", "204");
+                    } else {
+                        sendError("500");
+                    }
+                }else{
+                    sendError("500");
+                }
+            }
 
         }
     }