#22: Update Ingredients with Medication

Signed-off-by: Dominik Säume <Dominik.Saeume@hmmh.de>

src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java

@@ -3,7 +3,11 @@ package de.hitec.nhplus.medication.database;
 import de.hitec.nhplus.datastorage.Dao;
 import de.hitec.nhplus.medication.Ingredient;
 import de.hitec.nhplus.medication.Medication;
-import java.sql.*;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
@@ -74,7 +78,7 @@ public class MedicationDao implements Dao<Medication> {
         int lastMedicationId = -1;
         while (result.next()) {
             currentMedicationId = result.getInt(1);
-            if(currentMedicationId != lastMedicationId) {
+            if (currentMedicationId != lastMedicationId) {
                 Medication medication = new Medication(
                         result.getInt(1),
                         result.getString(2),
@@ -118,6 +122,25 @@ public class MedicationDao implements Dao<Medication> {
         preparedStatement.setInt(5, medication.getCurrentStock());
         preparedStatement.setInt(6, medication.getId());
         preparedStatement.executeUpdate();
+
+        final String ingredientDeleteSQL = """
+                    DELETE FROM medication_ingredient WHERE id = ?
+                """;
+        PreparedStatement ingredientStatement = this.connection.prepareStatement(ingredientDeleteSQL);
+        ingredientStatement.setInt(1, medication.getId());
+        ingredientStatement.executeUpdate();
+
+        final String ingredientCreateSQL = """
+                    INSERT INTO medication_ingredient
+                    (id, name)
+                    VALUES (?, ?);
+                """;
+        for (Ingredient ingredient : medication.getIngredients()) {
+            PreparedStatement statement = this.connection.prepareStatement(ingredientCreateSQL);
+            statement.setInt(1, medication.getId());
+            statement.setString(2, ingredient.getName());
+            statement.execute();
+        }
     }
 
     @Override