diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/NoRevertFileSaleDao.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/NoRevertFileSaleDao.java
index 62578ea3..ef6d6db4 100644
--- a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/NoRevertFileSaleDao.java
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/sale/NoRevertFileSaleDao.java
@@ -3,7 +3,8 @@ package com.pqt.server.module.sale;
 import com.pqt.core.entities.product.Product;
 import com.pqt.core.entities.sale.Sale;
 import com.pqt.server.module.stock.StockService;
-import com.pqt.server.utils.FileUtil;
+import com.pqt.server.tools.FileUtil;
+import com.pqt.server.tools.entities.SaleContent;
 import org.apache.commons.io.input.ReversedLinesFileReader;
 
 import java.io.*;
@@ -41,7 +42,7 @@ public class NoRevertFileSaleDao implements ISaleDao {
             return -1;
 
         long saleId = nextSaleId;
-        stockService.applySale(sale.getProducts());
+        stockService.applySale(new SaleContent(sale));
         logSale(sale, saleId);
         generateNextSaleId();
         return saleId;
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/FileStockDao.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/FileStockDao.java
index 658f9c24..d4c5f599 100644
--- a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/FileStockDao.java
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/FileStockDao.java
@@ -1,7 +1,8 @@
 package com.pqt.server.module.stock;
 
 import com.pqt.core.entities.product.Product;
-import com.pqt.server.utils.FileUtil;
+import com.pqt.server.tools.FileUtil;
+import com.pqt.server.tools.entities.SaleContent;
 
 import java.io.*;
 import java.util.*;
@@ -17,8 +18,7 @@ public class FileStockDao implements IStockDao {
 
     public FileStockDao() {
         random = new Random();
-        products = new HashMap<>();
-        load();
+        loadFromFile();
         generateNextProductId();
     }
 
@@ -82,8 +82,30 @@ public class FileStockDao implements IStockDao {
 	}
 
     @Override
-    public void applySale(Map<Product, Integer> productAmounts) {
-        //TODO faire ça
+    public void applySale(SaleContent saleContent) throws IllegalArgumentException {
+	    try {
+            saleContent.getProductList().forEach(product -> applyRecursiveStockRemoval(product, saleContent.getProductAmount(product)));
+        }catch (IllegalStateException e){
+	        loadFromFile();
+	        throw new IllegalArgumentException(e);
+        }
+    }
+
+    private void applyRecursiveStockRemoval(Product product, int amount)throws IllegalStateException{
+        Product correspondingProduct = getProduct(product.getId());
+        if(correspondingProduct!=null) {
+            correspondingProduct.setAmountSold(correspondingProduct.getAmountSold() + amount);
+            correspondingProduct.setAmountRemaining(correspondingProduct.getAmountRemaining() - amount);
+            correspondingProduct.getComponents().forEach(component -> applyRecursiveStockRemoval(component, amount));
+        }else{
+            StringBuffer sb = new StringBuffer("StockService>StockDao : Un produit vendu ne correspond pas à un produit connu : ");
+            sb.append(product.getId()).append(" - ").append(product.getName()).append("(").append(product.getCategory()).append(")");
+            throw new IllegalStateException(sb.toString());
+        }
+    }
+
+    private void loadFromFile() {
+        products = new HashMap<>(load());
     }
 
     private Map<Long, Product> load(){
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/IStockDao.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/IStockDao.java
index 3a8f7698..0cc9e1f8 100644
--- a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/IStockDao.java
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/IStockDao.java
@@ -1,6 +1,7 @@
 package com.pqt.server.module.stock;
 
 import com.pqt.core.entities.product.Product;
+import com.pqt.server.tools.entities.SaleContent;
 
 import java.util.List;
 import java.util.Map;
@@ -18,5 +19,5 @@ public interface IStockDao {
 
 	public void modifyProduct(long id, Product product);
 
-	void applySale(Map<Product, Integer> productAmounts);
+	void applySale(SaleContent productAmounts) throws IllegalArgumentException;
 }
diff --git a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/StockService.java b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/StockService.java
index 3f538db2..03ebefa1 100644
--- a/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/StockService.java
+++ b/Workspace/server/src/main/WEB-INF/classes/com/pqt/server/module/stock/StockService.java
@@ -3,6 +3,7 @@ package com.pqt.server.module.stock;
 import com.pqt.core.entities.product.Product;
 import com.pqt.core.entities.product.ProductUpdate;
 import com.pqt.server.exception.ServerQueryException;
+import com.pqt.server.tools.entities.SaleContent;
 
 import java.util.List;
 import java.util.Map;
@@ -25,7 +26,7 @@ public class StockService {
 		return dao.getProduct(id);
 	}
 
-	public void applySale(Map<Product, Integer> productAmounts) {
+	public void applySale(SaleContent productAmounts) {
 		dao.applySale(productAmounts);
 	}