From 37cdc842eafd27d5c4ed3c4bed21049d78b6317c Mon Sep 17 00:00:00 2001
From: prgres <maciekwiecek4@gmail.com>
Date: Tue, 22 Jan 2019 18:00:03 +0100
Subject: [PATCH] fix exists valid

---
 .idea/workspace.xml                           | 234 +++++++++++-------
 .../sysmag/controller/ProductController.java  |   6 +-
 .../sysmag/validator/ProductValidator.java    |   4 +-
 3 files changed, 149 insertions(+), 95 deletions(-)

diff --git a/.idea/workspace.xml b/.idea/workspace.xml
index 02f0632..43d779a 100644
--- a/.idea/workspace.xml
+++ b/.idea/workspace.xml
@@ -1,22 +1,10 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="2dc093a7-8382-4e31-b457-ce6c9fd10d13" name="Default Changelist" comment="a">
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/SysmagApplication.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/HomeController.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/exception/ProductNotFoundException.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/dto/IdDto.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/dto/QuantityChange.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/repository/ProductRepository.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductService.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/validationGroup/UpdateGroup.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/validator/ProductValidator.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/validator/QuantityChangeValidator.java" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/main/resources/application.properties" beforeDir="false" />
-      <change beforePath="$PROJECT_DIR$/src/test/java/com/dino/scrum/sysmag/SysmagApplicationTests.java" beforeDir="false" />
+    <list default="true" id="2dc093a7-8382-4e31-b457-ce6c9fd10d13" name="Default Changelist" comment="">
+      <change beforePath="$PROJECT_DIR$/.idea/workspace.xml" beforeDir="false" afterPath="$PROJECT_DIR$/.idea/workspace.xml" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/README.md" beforeDir="false" afterPath="$PROJECT_DIR$/README.md" afterDir="false" />
+      <change beforePath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" afterDir="false" />
     </list>
     <ignored path="$PROJECT_DIR$/target/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
@@ -90,12 +78,12 @@
     <select />
   </component>
   <component name="FileEditorManager">
-    <leaf>
+    <leaf SIDE_TABS_SIZE_LIMIT_KEY="300">
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="295">
-              <caret line="85" column="9" selection-start-line="83" selection-start-column="30" selection-end-line="85" selection-end-column="9" />
+            <state relative-caret-position="411">
+              <caret line="70" column="51" lean-forward="true" selection-start-line="70" selection-start-column="51" selection-end-line="70" selection-end-column="51" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -103,11 +91,11 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
+      <file pinned="false" current-in-tab="true">
         <entry file="file://$APPLICATION_CONFIG_DIR$/consoles/db/4eb55351-864c-4d3f-b24d-048a158530c7/console.sql">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="64">
-              <caret line="48" column="14" selection-start-line="48" selection-start-column="14" selection-end-line="48" selection-end-column="14" />
+            <state relative-caret-position="229">
+              <caret line="59" lean-forward="true" selection-start-line="59" selection-end-line="59" />
             </state>
           </provider>
         </entry>
@@ -124,15 +112,6 @@
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="false">
-        <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/SysmagApplication.java">
-          <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="75">
-              <caret line="6" column="13" selection-start-line="6" selection-start-column="13" selection-end-line="6" selection-end-column="13" />
-            </state>
-          </provider>
-        </entry>
-      </file>
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/resources/application.properties">
           <provider selected="true" editor-type-id="text-editor">
@@ -145,8 +124,8 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="221">
-              <caret line="45" column="25" selection-start-line="45" selection-start-column="25" selection-end-line="45" selection-end-column="25" />
+            <state relative-caret-position="333">
+              <caret line="28" lean-forward="true" selection-start-line="28" selection-end-line="52" />
               <folding>
                 <element signature="imports" expanded="true" />
               </folding>
@@ -157,17 +136,29 @@
       <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/pom.xml">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="108">
-              <caret line="37" column="21" lean-forward="true" selection-start-line="37" selection-start-column="21" selection-end-line="37" selection-end-column="21" />
+            <state relative-caret-position="555">
+              <caret line="37" column="21" selection-start-line="37" selection-start-column="21" selection-end-line="37" selection-end-column="21" />
             </state>
           </provider>
         </entry>
       </file>
-      <file pinned="false" current-in-tab="true">
+      <file pinned="false" current-in-tab="false">
         <entry file="file://$PROJECT_DIR$/.gitignore">
           <provider selected="true" editor-type-id="text-editor">
-            <state relative-caret-position="400">
-              <caret line="106" lean-forward="true" selection-start-line="106" selection-end-line="106" />
+            <state relative-caret-position="265">
+              <caret line="97" column="3" lean-forward="true" selection-start-line="97" selection-start-column="3" selection-end-line="97" selection-end-column="3" />
+            </state>
+          </provider>
+        </entry>
+      </file>
+      <file pinned="false" current-in-tab="false">
+        <entry file="file://$PROJECT_DIR$/README.md">
+          <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
+            <state split_layout="SPLIT">
+              <first_editor relative-caret-position="364">
+                <caret line="177" column="8" selection-start-line="177" selection-start-column="8" selection-end-line="177" selection-end-column="8" />
+              </first_editor>
+              <second_editor />
             </state>
           </provider>
         </entry>
@@ -212,10 +203,11 @@
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java" />
         <option value="$APPLICATION_CONFIG_DIR$/consoles/db/4eb55351-864c-4d3f-b24d-048a158530c7/console.sql" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductService.java" />
-        <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" />
         <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java" />
         <option value="$PROJECT_DIR$/pom.xml" />
         <option value="$PROJECT_DIR$/.gitignore" />
+        <option value="$PROJECT_DIR$/README.md" />
+        <option value="$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java" />
       </list>
     </option>
   </component>
@@ -256,6 +248,7 @@
     </navigator>
     <panes>
       <pane id="Scope" />
+      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -274,6 +267,48 @@
               <item name="src" type="462c0819:PsiDirectoryNode" />
               <item name="main" type="462c0819:PsiDirectoryNode" />
             </path>
+            <path>
+              <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="controller" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="model" type="462c0819:PsiDirectoryNode" />
+            </path>
+            <path>
+              <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="src" type="462c0819:PsiDirectoryNode" />
+              <item name="main" type="462c0819:PsiDirectoryNode" />
+              <item name="java" type="462c0819:PsiDirectoryNode" />
+              <item name="sysmag" type="462c0819:PsiDirectoryNode" />
+              <item name="validator" type="462c0819:PsiDirectoryNode" />
+            </path>
             <path>
               <item name="sysmag" type="b2602c69:ProjectViewProjectNode" />
               <item name="sysmag" type="462c0819:PsiDirectoryNode" />
@@ -285,7 +320,6 @@
           <select />
         </subPane>
       </pane>
-      <pane id="PackagesPane" />
     </panes>
   </component>
   <component name="PropertiesComponent">
@@ -370,7 +404,8 @@
       <option name="presentableId" value="Default" />
       <updated>1547322958782</updated>
       <workItem from="1547322960420" duration="21872000" />
-      <workItem from="1547401179909" duration="33163000" />
+      <workItem from="1547401179909" duration="33384000" />
+      <workItem from="1548159944175" duration="5909000" />
     </task>
     <task id="LOCAL-00001" summary="added quantityChange validation, product validation, checking existing object in db, throwing exeption">
       <created>1548121370553</created>
@@ -407,11 +442,25 @@
       <option name="project" value="LOCAL" />
       <updated>1548127778120</updated>
     </task>
-    <option name="localTasksCounter" value="6" />
+    <task id="LOCAL-00006" summary="a">
+      <created>1548128278948</created>
+      <option name="number" value="00006" />
+      <option name="presentableId" value="LOCAL-00006" />
+      <option name="project" value="LOCAL" />
+      <updated>1548128278948</updated>
+    </task>
+    <task id="LOCAL-00007" summary="fix ignore">
+      <created>1548128323215</created>
+      <option name="number" value="00007" />
+      <option name="presentableId" value="LOCAL-00007" />
+      <option name="project" value="LOCAL" />
+      <updated>1548128323215</updated>
+    </task>
+    <option name="localTasksCounter" value="8" />
     <servers />
   </component>
   <component name="TimeTrackingManager">
-    <option name="totallyTimeSpent" value="55035000" />
+    <option name="totallyTimeSpent" value="61165000" />
   </component>
   <component name="TodoView">
     <todo-panel id="selected-file">
@@ -426,13 +475,12 @@
     <frame x="0" y="23" width="1680" height="1027" extended-state="6" />
     <editor active="true" />
     <layout>
-      <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49810606" visible="true" weight="0.17948718" />
+      <window_info content_ui="combo" id="Project" order="0" sideWeight="0.49810606" weight="0.18131869" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Designer" order="2" />
       <window_info id="UI Designer" order="3" />
       <window_info id="Favorites" order="4" side_tool="true" />
       <window_info id="Web" order="5" sideWeight="0.50189394" side_tool="true" weight="0.36842105" />
-      <window_info anchor="bottom" id="Database Console" sideWeight="0.498779" weight="0.5893048" />
       <window_info anchor="bottom" id="Message" order="0" />
       <window_info anchor="bottom" id="Find" order="1" sideWeight="0.498779" weight="0.32941177" />
       <window_info anchor="bottom" id="Run" order="2" sideWeight="0.498779" weight="0.3315508" />
@@ -441,14 +489,15 @@
       <window_info anchor="bottom" id="Inspection" order="5" weight="0.4" />
       <window_info anchor="bottom" id="TODO" order="6" weight="0.32941177" />
       <window_info anchor="bottom" id="Spring" order="7" sideWeight="0.4993895" weight="0.32941177" />
-      <window_info active="true" anchor="bottom" id="Terminal" order="8" sideWeight="0.4981685" visible="true" weight="0.44919786" />
+      <window_info anchor="bottom" id="Terminal" order="8" sideWeight="0.497558" weight="0.44919786" />
       <window_info anchor="bottom" id="Docker" order="9" show_stripe_button="false" />
-      <window_info anchor="bottom" id="Event Log" order="10" sideWeight="0.50183153" side_tool="true" visible="true" weight="0.44919786" />
+      <window_info anchor="bottom" id="Event Log" order="10" sideWeight="0.502442" side_tool="true" weight="0.44919786" />
       <window_info anchor="bottom" id="Messages" order="11" weight="0.32941177" />
       <window_info anchor="bottom" id="Java Enterprise" order="12" />
       <window_info anchor="bottom" id="Database Changes" order="13" show_stripe_button="false" />
       <window_info anchor="bottom" id="Version Control" order="14" sideWeight="0.498779" weight="0.32941177" />
       <window_info anchor="bottom" id="SVN Repositories" order="15" weight="0.32941177" />
+      <window_info active="true" anchor="bottom" id="Database Console" order="16" sideWeight="0.498779" visible="true" weight="0.5893048" />
       <window_info anchor="right" id="Commander" order="0" weight="0.4" />
       <window_info anchor="right" id="Ant Build" order="1" weight="0.25" />
       <window_info anchor="right" content_ui="combo" id="Hierarchy" order="2" weight="0.25" />
@@ -512,7 +561,8 @@
     <MESSAGE value="fix pom.xml" />
     <MESSAGE value="Merge branch 'backend' of https://git.wmi.amu.edu.pl/s434786/DINO_SCRUM&#10;&#10;# Conflicts:&#10;#&#9;README.md" />
     <MESSAGE value="a" />
-    <option name="LAST_COMMIT_MESSAGE" value="a" />
+    <MESSAGE value="fix ignore" />
+    <option name="LAST_COMMIT_MESSAGE" value="fix ignore" />
     <option name="OPTIMIZE_IMPORTS_BEFORE_PROJECT_COMMIT" value="true" />
     <option name="REFORMAT_BEFORE_PROJECT_COMMIT" value="true" />
     <option name="REARRANGE_BEFORE_PROJECT_COMMIT" value="true" />
@@ -612,13 +662,6 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$APPLICATION_CONFIG_DIR$/consoles/db/4eb55351-864c-4d3f-b24d-048a158530c7/console.sql">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="64">
-          <caret line="48" column="14" selection-start-line="48" selection-start-column="14" selection-end-line="48" selection-end-column="14" />
-        </state>
-      </provider>
-    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductService.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="300">
@@ -629,13 +672,16 @@
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/SysmagApplication.java">
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/validationGroup/UpdateGroup.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="75">
-          <caret line="6" column="13" selection-start-line="6" selection-start-column="13" selection-end-line="6" selection-end-column="13" />
+        <state relative-caret-position="90">
+          <caret line="6" column="28" selection-start-line="6" selection-start-column="28" selection-end-line="6" selection-end-column="28" />
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/init">
+      <provider selected="true" editor-type-id="text-editor" />
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/resources/application.properties">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="225">
@@ -643,6 +689,27 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/pom.xml">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="555">
+          <caret line="37" column="21" selection-start-line="37" selection-start-column="21" selection-end-line="37" selection-end-column="21" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/.gitignore">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="265">
+          <caret line="97" column="3" lean-forward="true" selection-start-line="97" selection-start-column="3" selection-end-line="97" selection-end-column="3" />
+        </state>
+      </provider>
+    </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/SysmagApplication.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="75">
+          <caret line="6" column="13" selection-start-line="6" selection-start-column="13" selection-end-line="6" selection-end-column="13" />
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/service/ProductServiceImpl.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="678">
@@ -653,10 +720,20 @@
         </state>
       </provider>
     </entry>
+    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
+      <provider selected="true" editor-type-id="text-editor">
+        <state relative-caret-position="333">
+          <caret line="28" lean-forward="true" selection-start-line="28" selection-end-line="52" />
+          <folding>
+            <element signature="imports" expanded="true" />
+          </folding>
+        </state>
+      </provider>
+    </entry>
     <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="295">
-          <caret line="85" column="9" selection-start-line="83" selection-start-column="30" selection-end-line="85" selection-end-column="9" />
+        <state relative-caret-position="411">
+          <caret line="70" column="51" lean-forward="true" selection-start-line="70" selection-start-column="51" selection-end-line="70" selection-end-column="51" />
           <folding>
             <element signature="imports" expanded="true" />
           </folding>
@@ -666,42 +743,17 @@
     <entry file="file://$PROJECT_DIR$/README.md">
       <provider selected="true" editor-type-id="split-provider[text-editor;markdown-preview-editor]">
         <state split_layout="SPLIT">
-          <first_editor />
+          <first_editor relative-caret-position="364">
+            <caret line="177" column="8" selection-start-line="177" selection-start-column="8" selection-end-line="177" selection-end-column="8" />
+          </first_editor>
           <second_editor />
         </state>
       </provider>
     </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/validationGroup/UpdateGroup.java">
+    <entry file="file://$APPLICATION_CONFIG_DIR$/consoles/db/4eb55351-864c-4d3f-b24d-048a158530c7/console.sql">
       <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="90">
-          <caret line="6" column="28" selection-start-line="6" selection-start-column="28" selection-end-line="6" selection-end-column="28" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/src/main/java/com/dino/scrum/sysmag/model/Product.java">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="221">
-          <caret line="45" column="25" selection-start-line="45" selection-start-column="25" selection-end-line="45" selection-end-column="25" />
-          <folding>
-            <element signature="imports" expanded="true" />
-          </folding>
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/init">
-      <provider selected="true" editor-type-id="text-editor" />
-    </entry>
-    <entry file="file://$PROJECT_DIR$/pom.xml">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="108">
-          <caret line="37" column="21" lean-forward="true" selection-start-line="37" selection-start-column="21" selection-end-line="37" selection-end-column="21" />
-        </state>
-      </provider>
-    </entry>
-    <entry file="file://$PROJECT_DIR$/.gitignore">
-      <provider selected="true" editor-type-id="text-editor">
-        <state relative-caret-position="400">
-          <caret line="106" lean-forward="true" selection-start-line="106" selection-end-line="106" />
+        <state relative-caret-position="229">
+          <caret line="59" lean-forward="true" selection-start-line="59" selection-end-line="59" />
         </state>
       </provider>
     </entry>
diff --git a/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java b/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java
index e37fd44..378653e 100644
--- a/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java
+++ b/src/main/java/com/dino/scrum/sysmag/controller/ProductController.java
@@ -9,6 +9,7 @@ import com.dino.scrum.sysmag.validator.QuantityChangeValidator;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.data.domain.Pageable;
 import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
 import org.springframework.validation.annotation.Validated;
 import org.springframework.web.bind.annotation.*;
 import org.springframework.web.server.ResponseStatusException;
@@ -56,10 +57,11 @@ public class ProductController {
     }
 
     @DeleteMapping(value = "/product/delete")
-    public String deleteProduct(@RequestBody IdDto id) {
+    public ResponseEntity deleteProduct(@RequestBody IdDto id) {
         try {
             productService.delete(id.getId());
-            return "Deleted" + id;
+//            return "Deleted" + id;
+            return new ResponseEntity("Deleted" + id, HttpStatus.OK);
         } catch (Exception e) {
             throw new ResponseStatusException(HttpStatus.BAD_REQUEST, e.toString());
         }
diff --git a/src/main/java/com/dino/scrum/sysmag/validator/ProductValidator.java b/src/main/java/com/dino/scrum/sysmag/validator/ProductValidator.java
index 45556dd..62a80ac 100644
--- a/src/main/java/com/dino/scrum/sysmag/validator/ProductValidator.java
+++ b/src/main/java/com/dino/scrum/sysmag/validator/ProductValidator.java
@@ -27,12 +27,12 @@ public class ProductValidator {
     }
 
     public void checkIfExists(long id) throws Exception {
-        if (existsById(id))
+        if (!existsById(id))
             throw new Exception("Product with id: " + id + " not found");
     }
 
     public void checkIfExists(String name) throws Exception {
-        if (existsByName(name))
+        if (!existsByName(name))
             throw new Exception("Product " + name + " already exists");
     }
 }