From 3b894c634b40ed3c9a4a67fd0a2ffe30e899376a Mon Sep 17 00:00:00 2001
From: Tanguy Herbron <tanguy.herbron@outlook.com>
Date: Tue, 5 Jun 2018 08:38:47 +0200
Subject: [PATCH] Fix duplicated watchlist elements

---
 .idea/caches/build_file_checksums.ser         | Bin 540 -> 540 bytes
 .../moodl/DataManagers/DatabaseManager.java   |  26 ++++++++++++++----
 2 files changed, 20 insertions(+), 6 deletions(-)

diff --git a/.idea/caches/build_file_checksums.ser b/.idea/caches/build_file_checksums.ser
index ee9dafc0f7fc877abb3367cc7deb5e5ac99a9d86..3721cc08cd3e62bcd014ea22f78a45acc8fa9afe 100644
GIT binary patch
delta 35
tcmV+;0Nnqa1e^qrm;}zE*_Dx;cMuK&aw1%&{zS<I#=dAXn^Kb_0r?ZH4{-nh

delta 35
tcmV+;0Nnqa1e^qrm;|fz;+~P5cM#0Ji?VD9qT51ggl9HviUN}(0r@jF5N!Ye

diff --git a/app/src/main/java/com/herbron/moodl/DataManagers/DatabaseManager.java b/app/src/main/java/com/herbron/moodl/DataManagers/DatabaseManager.java
index 08cbf7e..8a05e56 100644
--- a/app/src/main/java/com/herbron/moodl/DataManagers/DatabaseManager.java
+++ b/app/src/main/java/com/herbron/moodl/DataManagers/DatabaseManager.java
@@ -92,17 +92,31 @@ public class DatabaseManager extends SQLiteOpenHelper{
         onCreate(db);
     }
 
+    private boolean isCurrencyInWatchlist(String symbol)
+    {
+        String searchQuerry = "SELECT * FROM " + TABLE_WATCHLIST + " WHERE " + KEY_WATCHLIST_SYMBOL + "='" + symbol + "'";
+        SQLiteDatabase db = this.getWritableDatabase();
+
+        Cursor result = db.rawQuery(searchQuerry, null);
+
+        return result.moveToFirst();
+    }
+
     public void addCurrencyToWatchlist(Currency currency)
     {
         SQLiteDatabase db = this.getWritableDatabase();
-        ContentValues values = new ContentValues();
 
-        values.put(KEY_WATCHLIST_SYMBOL, currency.getSymbol());
-        values.put(KEY_WATCHLIST_NAME, currency.getName());
-        values.put(KEY_WATCHLIST_POSITION, getWatchlistRowCount(db));
+        if(!isCurrencyInWatchlist(currency.getSymbol()))
+        {
+            ContentValues values = new ContentValues();
 
-        db.insert(TABLE_WATCHLIST, null, values);
-        db.close();
+            values.put(KEY_WATCHLIST_SYMBOL, currency.getSymbol());
+            values.put(KEY_WATCHLIST_NAME, currency.getName());
+            values.put(KEY_WATCHLIST_POSITION, getWatchlistRowCount(db));
+
+            db.insert(TABLE_WATCHLIST, null, values);
+            db.close();
+        }
     }
 
     public void updateWatchlistPosition(String symbol, int position)