From 6b63675e845268e6087d5e47e3a289f6d485b30b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Dominik=20S=C3=A4ume?= <Dominik.Saeume@hmmh.de>
Date: Wed, 22 May 2024 20:15:39 +0200
Subject: [PATCH] #27: Implement Alternative Medications
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

Signed-off-by: Dominik Säume <Dominik.Saeume@hmmh.de>
---
 .idea/sqlDataSources.xml                      |   1 +
 db/nursingHome.db                             | Bin 57344 -> 61440 bytes
 .../nhplus/fixtures/MedicationFixture.java    | 159 +++++++-----
 .../medication/AllMedicationController.java   |  25 +-
 .../DeprecatedMedicationController.java       |  18 ++
 .../hitec/nhplus/medication/Medication.java   |  56 ++++-
 .../nhplus/medication/MedicationListCell.java | 146 +++++++++++
 .../medication/MedicationModalController.java |  52 +++-
 .../medication/database/MedicationDao.java    | 233 +++++++++---------
 src/main/java/module-info.java                |   1 +
 .../nhplus/medication/AllMedicationView.fxml  |   5 +
 .../medication/DeprecatedMedicationView.fxml  |   5 +
 .../nhplus/medication/MedicationModal.fxml    |  45 +++-
 .../database/Medication_Alternative.sql       |   7 +
 14 files changed, 555 insertions(+), 198 deletions(-)
 create mode 100644 src/main/java/de/hitec/nhplus/medication/MedicationListCell.java
 create mode 100644 src/main/resources/de/hitec/nhplus/medication/database/Medication_Alternative.sql

diff --git a/.idea/sqlDataSources.xml b/.idea/sqlDataSources.xml
index ef907f0..2a3ed74 100644
--- a/.idea/sqlDataSources.xml
+++ b/.idea/sqlDataSources.xml
@@ -30,6 +30,7 @@
               <option value="file://$PROJECT_DIR$/src/main/resources/de/hitec/nhplus/login/database/User.sql" />
               <option value="file://$PROJECT_DIR$/src/main/resources/de/hitec/nhplus/login/database/UserPermission.sql" />
               <option value="file://$PROJECT_DIR$/src/main/resources/de/hitec/nhplus/login/database/UserToNurse.sql" />
+              <option value="file://$PROJECT_DIR$/src/main/resources/de/hitec/nhplus/medication/database/Medication_Alternative.sql" />
             </array>
           </option>
           <option name="outLayout" value="File per object.groovy" />
diff --git a/db/nursingHome.db b/db/nursingHome.db
index 9ce117804f6ced85b396bc7bf6373df784aa6d56..77008e95acfd85143f36f3600077ef38dbfe731d 100644
GIT binary patch
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diff --git a/src/main/java/de/hitec/nhplus/fixtures/MedicationFixture.java b/src/main/java/de/hitec/nhplus/fixtures/MedicationFixture.java
index 025c222..63510ee 100644
--- a/src/main/java/de/hitec/nhplus/fixtures/MedicationFixture.java
+++ b/src/main/java/de/hitec/nhplus/fixtures/MedicationFixture.java
@@ -12,6 +12,12 @@ import java.sql.Connection;
 import java.sql.SQLException;
 import java.util.*;
 
+import de.hitec.nhplus.Main;
+import de.hitec.nhplus.datastorage.DaoFactory;
+import de.hitec.nhplus.medication.Ingredient;
+import de.hitec.nhplus.medication.Medication;
+import de.hitec.nhplus.medication.database.MedicationDao;
+
 /**
  * {@link Fixture} for {@link Medication}.
  *
@@ -20,11 +26,13 @@ import java.util.*;
 public class MedicationFixture implements Fixture<Medication> {
     private static final String SCHEMA = "/de/hitec/nhplus/medication/database/Medication.sql";
     private static final String INGREDIENT_SCHEMA = "/de/hitec/nhplus/medication/database/Medication_Ingredient.sql";
+    private static final String ALTERNATIVE_SCHEMA = "/de/hitec/nhplus/medication/database/Medication_Alternative.sql";
 
     @Override
     public void dropTable(Connection connection) throws SQLException {
         connection.createStatement().execute("DROP TABLE IF EXISTS medication");
-        connection.createStatement().execute("DROP TABLE IF EXISTS  medication_ingredient");
+        connection.createStatement().execute("DROP TABLE IF EXISTS medication_ingredient");
+        connection.createStatement().execute("DROP TABLE IF EXISTS medication_alternative");
     }
 
     @Override
@@ -32,16 +40,25 @@ public class MedicationFixture implements Fixture<Medication> {
 
         final InputStream schema = Main.class.getResourceAsStream(SCHEMA);
         final InputStream ingredientSchema = Main.class.getResourceAsStream(INGREDIENT_SCHEMA);
+        final InputStream alternativeSchema = Main.class.getResourceAsStream(ALTERNATIVE_SCHEMA);
+
         assert schema != null;
         assert ingredientSchema != null;
+        assert alternativeSchema != null;
+
         String SQL = new Scanner(schema, StandardCharsets.UTF_8)
-                .useDelimiter("\\A")
-                .next();
+            .useDelimiter("\\A")
+            .next();
         String ingredientSQL = ";" + new Scanner(ingredientSchema, StandardCharsets.UTF_8)
-                .useDelimiter("\\A")
-                .next();
+            .useDelimiter("\\A")
+            .next();
+        String alternativeSQL = ";" + new Scanner(alternativeSchema, StandardCharsets.UTF_8)
+            .useDelimiter("\\A")
+            .next();
+
         connection.createStatement().execute(SQL);
         connection.createStatement().execute(ingredientSQL);
+        connection.createStatement().execute(alternativeSQL);
 
     }
 
@@ -67,55 +84,59 @@ public class MedicationFixture implements Fixture<Medication> {
         Ingredient warfarinnatrium = new Ingredient("Warfarinnatrium");
 
         medications.add(new Medication(
-                "Metformin",
-                "AstraZeneca",
-                List.of(
-                        metforminhydrochlorid,
-                        cellulose,
-                        povidon,
-                        magnesiumstearat
-                ),
-                "Übelkeit, Durchfall, Laktatazidose (selten)",
-                "Oral",
-                100
+            "Metformin",
+            "AstraZeneca",
+            List.of(
+                metforminhydrochlorid,
+                cellulose,
+                povidon,
+                magnesiumstearat
+            ),
+            "Übelkeit, Durchfall, Laktatazidose (selten)",
+            "Oral",
+            100,
+            new ArrayList<>()
         ));
         medications.add(new Medication(
-                "Lisinopril",
-                "Teva Pharmaceuticals",
-                List.of(
-                        lisinoprilDihydrat,
-                        mannitol,
-                        calciumphosphat,
-                        magnesiumstearat
-                ),
-                "Schwindel, trockener Husten",
-                "Oral",
-                150
+            "Lisinopril",
+            "Teva Pharmaceuticals",
+            List.of(
+                lisinoprilDihydrat,
+                mannitol,
+                calciumphosphat,
+                magnesiumstearat
+            ),
+            "Schwindel, trockener Husten",
+            "Oral",
+            150,
+            new ArrayList<>()
         ));
         medications.add(new Medication(
-                "Simvastatin",
-                "Mylan",
-                List.of(
-                        simvastatin,
-                        laktose,
-                        cellulose,
-                        magnesiumstearat
-                ),
-                "Muskelschmerzen, Leberprobleme(selten)",
-                "Oral",
-                80
+            "Simvastatin",
+            "Mylan",
+            List.of(
+                simvastatin,
+                laktose,
+                cellulose,
+                magnesiumstearat
+            ),
+            "Muskelschmerzen, Leberprobleme(selten)",
+            "Oral",
+            80,
+            new ArrayList<>()
         ));
         medications.add(new Medication(
-                "Enoxaparin",
-                "Sanofi",
-                List.of(
-                        enoxaparinNatrium,
-                        benzylalkohol,
-                        wasser
-                ),
-                "Blutungen, Reaktionen an der Injektionsstelle",
-                "Unterhautinjektion",
-                120
+            "Enoxaparin",
+            "Sanofi",
+            List.of(
+                enoxaparinNatrium,
+                benzylalkohol,
+                wasser
+            ),
+            "Blutungen, Reaktionen an der Injektionsstelle",
+            "Unterhautinjektion",
+            120,
+            new ArrayList<>()
         ));
         Medication deprecatedMedication = new Medication(
                 "Levothyroxin",
@@ -128,27 +149,43 @@ public class MedicationFixture implements Fixture<Medication> {
                 ),
                 "Herzrasen, Gewichtsverlust",
                 "Oral",
-                90
+                90,
+                new ArrayList<>()
         );
         deprecatedMedication.setIsDeprecated(true);
         medications.add(deprecatedMedication);
         medications.add(new Medication(
-                "Warfarin",
-                "Apotex Inc.",
-                List.of(
-                        warfarinnatrium,
-                        laktose,
-                        staerke,
-                        magnesiumstearat
-                ),
-                "Blutungen, Blutergüsse",
-                "Oral",
-                110
+            "Warfarin",
+            "Apotex Inc.",
+            List.of(
+                warfarinnatrium,
+                laktose,
+                staerke,
+                magnesiumstearat
+            ),
+            "Blutungen, Blutergüsse",
+            "Oral",
+            110,
+            new ArrayList<>()
         ));
         MedicationDao dao = DaoFactory.getInstance().createMedicationDAO();
-        Map<String, Medication> medicationsByName = new HashMap<>();
         for (Medication medication : medications) {
             dao.create(medication);
+        }
+        List<Medication> createdMedications = dao.readAll();
+        Map<String, Medication> medicationsByName = new HashMap<>();
+        for (Medication medication : createdMedications){
+            switch (medication.getName()){
+                case "Warfarin":
+                    medication.setAlternativeMedication(List.of(
+                            createdMedications.get(0),
+                            createdMedications.get(3)
+                    ));
+                    break;
+                default:
+                    break;
+            }
+            dao.update(medication);
             medicationsByName.put(medication.getName(), medication);
         }
         return medicationsByName;
diff --git a/src/main/java/de/hitec/nhplus/medication/AllMedicationController.java b/src/main/java/de/hitec/nhplus/medication/AllMedicationController.java
index 769a787..06ef522 100644
--- a/src/main/java/de/hitec/nhplus/medication/AllMedicationController.java
+++ b/src/main/java/de/hitec/nhplus/medication/AllMedicationController.java
@@ -53,6 +53,8 @@ public class AllMedicationController {
     @FXML
     private TableColumn<Medication, Integer> columnCurrentStock;
     @FXML
+    public TableColumn<Medication, String> columnAlternativeMedication;
+    @FXML
     public Button buttonChangeAvailable;
     @FXML
     public Button buttonAdd;
@@ -63,6 +65,10 @@ public class AllMedicationController {
     private MedicationDao dao;
     private boolean hasEditPermissions;
 
+    public MedicationDao getDao() {
+        return dao;
+    }
+
     /**
      * Initialization method that is called after the binding of all the fields.
      */
@@ -87,13 +93,29 @@ public class AllMedicationController {
                     return new SimpleStringProperty(
                             ingredients
                                     .stream()
-                                    .map(ingredient -> ingredient.getName())
+                                    .map(Ingredient::getName)
                                     .collect(Collectors.joining("\n"))
                     );
                 });
         this.columnPossibleSideEffects.setCellValueFactory(new PropertyValueFactory<>("possibleSideEffects"));
         this.columnAdministrationMethod.setCellValueFactory(new PropertyValueFactory<>("administrationMethod"));
         this.columnCurrentStock.setCellValueFactory(new PropertyValueFactory<>("currentStock"));
+        this.columnAlternativeMedication.setCellValueFactory(
+                cellData -> {
+                    Medication medication = cellData.getValue();
+                    List<Medication> alternatives = medication.getAlternativeMedication();
+                    if (alternatives.isEmpty()) {
+                        return new SimpleStringProperty("");
+                    }
+
+                    return new SimpleStringProperty(
+                            alternatives
+                                    .stream()
+                                    .map(med -> med.getName() + ", " + med.getManufacturer())
+                                    .collect(Collectors.joining("\n"))
+                    );
+                }
+        );
 
         this.tableView.setItems(this.medications);
 
@@ -217,5 +239,4 @@ public class AllMedicationController {
             }
         });
     }
-
 }
diff --git a/src/main/java/de/hitec/nhplus/medication/DeprecatedMedicationController.java b/src/main/java/de/hitec/nhplus/medication/DeprecatedMedicationController.java
index 03d5947..2389f1b 100644
--- a/src/main/java/de/hitec/nhplus/medication/DeprecatedMedicationController.java
+++ b/src/main/java/de/hitec/nhplus/medication/DeprecatedMedicationController.java
@@ -39,6 +39,8 @@ public class DeprecatedMedicationController {
     @FXML
     private TableColumn<Medication, Integer> columnCurrentStock;
     @FXML
+    public TableColumn<Medication, String> columnAlternativeMedication;
+    @FXML
     public Button buttonChangeAvailable;
 
     private final ObservableList<Medication> medications = FXCollections.observableArrayList();
@@ -71,6 +73,22 @@ public class DeprecatedMedicationController {
         this.columnPossibleSideEffects.setCellValueFactory(new PropertyValueFactory<>("possibleSideEffects"));
         this.columnAdministrationMethod.setCellValueFactory(new PropertyValueFactory<>("administrationMethod"));
         this.columnCurrentStock.setCellValueFactory(new PropertyValueFactory<>("currentStock"));
+        this.columnAlternativeMedication.setCellValueFactory(
+                cellData -> {
+                    Medication medication = cellData.getValue();
+                    List<Medication> alternatives = medication.getAlternativeMedication();
+                    if (alternatives.isEmpty()) {
+                        return new SimpleStringProperty("");
+                    }
+
+                    return new SimpleStringProperty(
+                            alternatives
+                                    .stream()
+                                    .map(med -> med.getName() + ", " + med.getManufacturer())
+                                    .collect(Collectors.joining("\n"))
+                    );
+                }
+        );
 
         this.tableView.setItems(this.medications);
 
diff --git a/src/main/java/de/hitec/nhplus/medication/Medication.java b/src/main/java/de/hitec/nhplus/medication/Medication.java
index f33a98e..9720d12 100644
--- a/src/main/java/de/hitec/nhplus/medication/Medication.java
+++ b/src/main/java/de/hitec/nhplus/medication/Medication.java
@@ -18,13 +18,14 @@ import java.util.stream.Collectors;
  */
 public class Medication {
     private SimpleIntegerProperty id;
-    private final SimpleStringProperty name;
-    private final SimpleStringProperty manufacturer;
-    private final SimpleListProperty<Ingredient> ingredients;
-    private final SimpleStringProperty possibleSideEffects;
-    private final SimpleStringProperty administrationMethod;
-    private final SimpleIntegerProperty currentStock;
-    private final SimpleBooleanProperty isDeprecated;
+    private SimpleStringProperty name;
+    private SimpleStringProperty manufacturer;
+    private SimpleListProperty<Ingredient> ingredients;
+    private SimpleStringProperty possibleSideEffects;
+    private SimpleStringProperty administrationMethod;
+    private SimpleIntegerProperty currentStock;
+    private SimpleListProperty<Medication> alternativeMedication;
+    private SimpleBooleanProperty isDeprecated;
 
     /**
      * This constructor allows instantiating a {@link Medication} object,
@@ -39,7 +40,8 @@ public class Medication {
             List<Ingredient> ingredients,
             String possibleSideEffects,
             String administrationMethod,
-            int currentStock
+            int currentStock,
+            List<Medication> alternativeMedication
     ) {
         this.name = new SimpleStringProperty(name);
         this.manufacturer = new SimpleStringProperty(manufacturer);
@@ -47,6 +49,7 @@ public class Medication {
         this.possibleSideEffects = new SimpleStringProperty(possibleSideEffects);
         this.administrationMethod = new SimpleStringProperty(administrationMethod);
         this.currentStock = new SimpleIntegerProperty(currentStock);
+        this.alternativeMedication = new SimpleListProperty<>(FXCollections.observableArrayList(alternativeMedication));
         this.isDeprecated = new SimpleBooleanProperty(false);
     }
 
@@ -61,6 +64,7 @@ public class Medication {
             String possibleSideEffects,
             String administrationMethod,
             int currentStock,
+            List<Medication> alternativeMedication,
             boolean isDeprecated
     ) {
         this.id = new SimpleIntegerProperty(id);
@@ -70,9 +74,25 @@ public class Medication {
         this.possibleSideEffects = new SimpleStringProperty(possibleSideEffects);
         this.administrationMethod = new SimpleStringProperty(administrationMethod);
         this.currentStock = new SimpleIntegerProperty(currentStock);
+        this.alternativeMedication = new SimpleListProperty<>(FXCollections.observableArrayList(alternativeMedication));
         this.isDeprecated = new SimpleBooleanProperty(isDeprecated);
     }
 
+    public void replace(Medication medication){
+        if(medication == null){
+            return;
+        }
+        this.id = medication.idProperty();
+        this.name = medication.nameProperty();
+        this.manufacturer = medication.manufacturerProperty();
+        this.ingredients = medication.ingredientsProperty();
+        this.possibleSideEffects = medication.possibleSideEffectsProperty();
+        this.administrationMethod = medication.administrationMethodProperty();
+        this.currentStock = medication.currentStockProperty();
+        this.alternativeMedication = medication.alternativeMedicationProperty();
+        this.isDeprecated = medication.isDeprecatedProperty();
+    }
+
     public int getId() {
         return id.get();
     }
@@ -141,6 +161,18 @@ public class Medication {
         this.possibleSideEffects.set(possibleSideEffects);
     }
 
+    public ObservableList<Medication> getAlternativeMedication() {
+        return alternativeMedication.get();
+    }
+
+    public SimpleListProperty<Medication> alternativeMedicationProperty() {
+        return alternativeMedication;
+    }
+
+    public void setAlternativeMedication(List<Medication> alternativeMedication) {
+        this.alternativeMedication.set(FXCollections.observableArrayList(alternativeMedication));
+    }
+
     public String getAdministrationMethod() {
         return administrationMethod.get();
     }
@@ -179,6 +211,14 @@ public class Medication {
                 .add("Possible Side Effects: " + this.getPossibleSideEffects())
                 .add("Administration Method: " + this.getAdministrationMethod())
                 .add("Current Stock: " + this.getCurrentStock())
+                .add("Alternative Medication" + this.getAlternativeMedication())
                 .toString();
     }
+
+    public String getComboBoxString() {
+        return new StringJoiner(System.lineSeparator())
+            .add("Name: " + this.getName())
+            .add("Hersteller: " + this.getManufacturer())
+            .toString();
+    }
 }
diff --git a/src/main/java/de/hitec/nhplus/medication/MedicationListCell.java b/src/main/java/de/hitec/nhplus/medication/MedicationListCell.java
new file mode 100644
index 0000000..fe82287
--- /dev/null
+++ b/src/main/java/de/hitec/nhplus/medication/MedicationListCell.java
@@ -0,0 +1,146 @@
+package de.hitec.nhplus.medication;
+
+import javafx.beans.value.ObservableValue;
+import javafx.collections.FXCollections;
+import javafx.collections.ObservableList;
+import javafx.event.ActionEvent;
+import javafx.geometry.Insets;
+import javafx.scene.control.Button;
+import javafx.scene.control.ListCell;
+import javafx.scene.control.ListView;
+import javafx.scene.layout.BorderPane;
+import javafx.scene.text.Text;
+import org.controlsfx.control.SearchableComboBox;
+
+import java.util.List;
+
+/**
+ * A custom implementation of the {@link ListCell} for {@link Ingredient}s.
+ * This implementation contains an automatic resizing of the parent {@link ListView}.
+ *
+ * @author Dominik Säume
+ */
+public class MedicationListCell extends ListCell<Medication> {
+    private final Button deleteButton;
+    private final SearchableComboBox<Medication> comboBox;
+    private static final double BUILTIN_BORDER_WIDTH = 1;
+    private static final double CELL_SPACING = 4;
+    private static final double CELL_PADDING = 4;
+    private static final double BUTTON_PADDING_X = 8;
+    private static final double BUTTON_PADDING_Y = 4;
+    private final double totalSpacing;
+    private boolean firstUpdate = true;
+
+    public MedicationListCell(List<Medication> allOtherMedications) {
+        this.setPadding(new Insets(CELL_PADDING));
+
+        comboBox = new SearchableComboBox<>();
+        ObservableList<Medication> list = FXCollections.observableArrayList();
+        list.setAll(allOtherMedications);
+        comboBox.setItems(list);
+        comboBox.setPromptText("Alternatve Auswählen");
+        comboBox.setCellFactory(this::comboBoxFactory);
+        comboBox.setButtonCell(comboBoxButtonFactory());
+        comboBox.valueProperty().addListener(this::onComboBoxChange);
+
+        deleteButton = new Button("-");
+        deleteButton.setPadding(new Insets(
+                BUTTON_PADDING_Y,
+                BUTTON_PADDING_X,
+                BUTTON_PADDING_Y,
+                BUTTON_PADDING_X
+        ));
+        deleteButton.setOnAction(this::handleDeleteButton);
+
+        // Calculate Delete Button Width
+        Text textNode = new Text(deleteButton.getText());
+        textNode.setFont(deleteButton.getFont());
+        double calculatedDeleteButtonWidth = textNode.getLayoutBounds().getWidth() + BUTTON_PADDING_X * 2;
+
+        totalSpacing = BUILTIN_BORDER_WIDTH * 2 // List View
+                       + CELL_PADDING * 2
+                       + CELL_SPACING
+                       + calculatedDeleteButtonWidth;
+    }
+
+
+    /**
+     * A Callback for use as a Listener for the {@link MedicationListCell#comboBox}.
+     */
+    private void onComboBoxChange(
+            ObservableValue<? extends Medication> observableValue,
+            Medication oldValue,
+            Medication newValue
+    ) {
+        getItem().replace(comboBox.getValue());
+
+        ListView<Medication> listView = getListView();
+        double max = listView.lookupAll("*")
+                .stream()
+                .filter(node -> node instanceof MedicationListCell)
+                .mapToDouble(node -> comboBox.getWidth())
+                .max()
+                .orElse(0);
+
+        listView.setMinWidth(max + totalSpacing);
+    }
+
+    @Override
+    protected void updateItem(Medication item, boolean empty) {
+        super.updateItem(item, empty);
+        if (empty || item == null) {
+            setGraphic(null);
+        } else {
+            if (
+                    firstUpdate
+                    && comboBox.getSelectionModel().getSelectedItem() == null
+                    && item.getName() != null
+                    && comboBox.getItems().contains(item)
+            ) {
+                comboBox.getSelectionModel().select(item);
+            }
+            firstUpdate = false;
+
+            BorderPane cellPane = new BorderPane();
+            cellPane.setCenter(comboBox);
+            cellPane.setRight(deleteButton);
+            BorderPane.setMargin(deleteButton, new Insets(0, 0, 0, CELL_SPACING));
+            setGraphic(cellPane);
+        }
+    }
+
+    private ListCell comboBoxFactory(Object param) {
+        return new ListCell<Medication>() {
+
+            @Override
+            protected void updateItem(Medication med, boolean empty) {
+                super.updateItem(med, empty);
+                setText(
+                        empty || med == null
+                                ? null
+                                : med.getComboBoxString()
+                );
+            }
+        };
+    }
+
+    private ListCell comboBoxButtonFactory() {
+        return new ListCell<Medication>() {
+            @Override
+            protected void updateItem(Medication med, boolean empty) {
+                super.updateItem(med, empty);
+                setText(
+                        empty || med == null
+                                ? comboBox.getPromptText()
+                                : med.getComboBoxString()
+                );
+            }
+        };
+    }
+
+    private void handleDeleteButton(ActionEvent event) {
+        if (getItem() == null) {
+            getListView().getItems().remove(getItem());
+        }
+    }
+}
diff --git a/src/main/java/de/hitec/nhplus/medication/MedicationModalController.java b/src/main/java/de/hitec/nhplus/medication/MedicationModalController.java
index ab80e1d..2bc28e3 100644
--- a/src/main/java/de/hitec/nhplus/medication/MedicationModalController.java
+++ b/src/main/java/de/hitec/nhplus/medication/MedicationModalController.java
@@ -1,6 +1,5 @@
 package de.hitec.nhplus.medication;
 
-import de.hitec.nhplus.treatment.Treatment;
 import javafx.beans.value.ChangeListener;
 import javafx.collections.FXCollections;
 import javafx.collections.ObservableList;
@@ -13,7 +12,10 @@ import javafx.stage.Stage;
 
 import java.util.ArrayList;
 import java.util.List;
+import java.util.Map;
+import java.util.Objects;
 import java.util.function.Predicate;
+import java.util.stream.Collectors;
 
 import static de.hitec.nhplus.utils.Validator.*;
 
@@ -38,13 +40,17 @@ public class MedicationModalController {
     public TextArea textAreaPossibleSideEffects;
     @FXML
     public Button buttonSave;
+    @FXML
+    public ListView<Medication> listViewAlternativeMedication;
 
 
     private Stage stage;
     private Medication medication;
     private final ObservableList<Ingredient> ingredients = FXCollections.observableArrayList();
+    private final ObservableList<Medication> alternativeMediaction = FXCollections.observableArrayList();
     private AllMedicationController controller;
     private boolean isNewMedication = false;
+    private List<Medication> allOtherMedications;
 
     /**
      * Initialization method that is called after the binding of all the fields.
@@ -68,15 +74,20 @@ public class MedicationModalController {
                     new ArrayList<>(),
                     "",
                     "",
-                    0
+                    0,
+                    new ArrayList<>()
             );
             this.buttonSave.setDisable(true);
         }
 
         listViewIngredients.setCellFactory(cellData -> new IngredientListCell());
         listViewIngredients.setItems(ingredients);
+
         showData();
 
+        listViewAlternativeMedication.setCellFactory(cellData -> new MedicationListCell(allOtherMedications));
+        listViewAlternativeMedication.setItems(alternativeMediaction);
+
         ChangeListener<String> inputMedicationValidationListener = (observableValue, oldText, newText) -> {
             boolean isValid = isValidMedicationName(textFieldName.getText())
                               && isValidMedicationManufacturer(textFieldManufacturer.getText())
@@ -97,6 +108,22 @@ public class MedicationModalController {
      */
     private void showData() {
         ingredients.setAll(medication.getIngredients());
+        alternativeMediaction.setAll(medication.getAlternativeMedication());
+        Map<Integer, Medication> currentAlternatives = alternativeMediaction
+                .stream()
+                .collect(Collectors.toMap(Medication::getId, med -> med));
+        try {
+            allOtherMedications = controller.getDao().readAll();
+            if (!isNewMedication) {
+                allOtherMedications = allOtherMedications
+                        .stream()
+                        .filter(med -> med.getId() != medication.getId())
+                        .map(med -> currentAlternatives.getOrDefault(med.getId(), med))
+                        .toList();
+            }
+        } catch (Exception exception) {
+            exception.printStackTrace();
+        }
         textFieldName.setText(medication.getName());
         textFieldManufacturer.setText(medication.getManufacturer());
         textFieldAdministrationMethod.setText(medication.getAdministrationMethod());
@@ -120,6 +147,15 @@ public class MedicationModalController {
                 .toList()
         );
 
+        this.medication.setAlternativeMedication(
+                alternativeMediaction
+                        .stream()
+                        .distinct()
+                        .filter(Predicate.not(Objects::isNull))
+                        .filter(Predicate.not(med -> med.idProperty() == null))
+                        .toList()
+        );
+
         if (isNewMedication) {
             controller.createMedication(medication);
         } else {
@@ -139,4 +175,16 @@ public class MedicationModalController {
     public void handleAddIngredient() {
         ingredients.add(new Ingredient(""));
     }
+
+    public void handleAddAlternativeMedication() {
+        alternativeMediaction.add(new Medication(
+                null,
+                null,
+                new ArrayList<>(),
+                null,
+                null,
+                -1,
+                new ArrayList<>()
+        ));
+    }
 }
diff --git a/src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java b/src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java
index 5e31e43..3fa13e4 100644
--- a/src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java
+++ b/src/main/java/de/hitec/nhplus/medication/database/MedicationDao.java
@@ -8,10 +8,7 @@ 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;
-import java.util.Map;
+import java.util.*;
 
 /**
  * The {@link MedicationDao} is an implementation of the{@link de.hitec.nhplus.datastorage.Dao Dao}
@@ -64,36 +61,45 @@ public class MedicationDao implements Dao<Medication> {
             ingredientStatement.setString(2, ingredient.getName());
             ingredientStatement.execute();
         }
+
+        final String alternativeMedicationSQL = """
+                    INSERT INTO medication_alternative
+                    (id, alternativeId)
+                    VALUES (?, ?);
+                """;
+        for (Medication alternative : medication.getAlternativeMedication()) {
+            PreparedStatement alternativeStatement = this.connection.prepareStatement(alternativeMedicationSQL);
+            alternativeStatement.setInt(1, newId);
+            alternativeStatement.setInt(2, alternative.getId());
+            alternativeStatement.execute();
+        }
     }
 
     @Override
     public Medication read(int id) throws SQLException {
-        final String SQL = """
-                        SELECT medication.*, medication_ingredient.id
-                        FROM medication
-                        LEFT JOIN medication_ingredient ON medication.id = medication_ingredient.id
-                        WHERE medication.id = ?
-                """;
-        PreparedStatement statement = this.connection.prepareStatement(SQL);
-        statement.setInt(1, id);
-        ResultSet result = statement.executeQuery();
+        ResultSet result = getReadStatement(id).executeQuery();
         return getInstanceFromResultSet(result);
     }
 
     @Override
     public List<Medication> readAll() throws SQLException {
         final String SQL = """
-                    SELECT medication.*, medication_ingredient.name
-                    FROM medication LEFT JOIN
+                    SELECT medication.*, medication_ingredient.name, medication_alternative.alternativeId
+                    FROM medication
+                    LEFT JOIN
                     medication_ingredient ON medication.id = medication_ingredient.id
+                    LEFT JOIN
+                    medication_alternative ON medication.id = medication_alternative.id
                 """;
         ResultSet result = connection.prepareStatement(SQL).executeQuery();
 
-        List<Medication> medications = new ArrayList<>();
+        Map<Integer, Medication> medications = new HashMap<>();
         Map<Integer, List<Ingredient>> ingredientMap = new HashMap<>();
+        Map<Integer, Set<Integer>> alternativesMap = new HashMap<>();
 
         int currentMedicationId;
         int lastMedicationId = -1;
+        String latIngredient = "";
         while (result.next()) {
             currentMedicationId = result.getInt(1);
             if (currentMedicationId != lastMedicationId) {
@@ -105,125 +111,56 @@ public class MedicationDao implements Dao<Medication> {
                         result.getString(4),
                         result.getString(5),
                         result.getInt(6),
-                        result.getBoolean(7)
-                );
-                medications.add(medication);
-            }
-            List<Ingredient> ingredients = ingredientMap.computeIfAbsent(currentMedicationId, k -> new ArrayList<>());
-            String ingredientName = result.getString(8);
-            if(ingredientName == null){
-                continue;
-            }
-            ingredients.add(new Ingredient(ingredientName));
-            lastMedicationId = currentMedicationId;
-        }
-        for (Medication medication : medications) {
-            List<Ingredient> ingredients = ingredientMap.get(medication.getId());
-            if(ingredients.isEmpty()){
-                continue;
-            }
-            medication.setIngredients(ingredientMap.get(medication.getId()));
-        }
-
-        return medications;
-    }
-
-    public List<Medication> readAllDeprecated() throws SQLException {
-        final String SQL = """
-                    SELECT medication.*, medication_ingredient.name
-                    FROM medication LEFT JOIN
-                    medication_ingredient
-                    ON medication.id = medication_ingredient.id
-                    WHERE medication.isDeprecated = true
-                """;
-        ResultSet result = connection.prepareStatement(SQL).executeQuery();
-
-        List<Medication> medications = new ArrayList<>();
-        Map<Integer, List<Ingredient>> ingredientMap = new HashMap<>();
-
-        int currentMedicationId;
-        int lastMedicationId = -1;
-        while (result.next()) {
-            currentMedicationId = result.getInt(1);
-            if (currentMedicationId != lastMedicationId) {
-                Medication medication = new Medication(
-                        result.getInt(1),
-                        result.getString(2),
-                        result.getString(3),
                         new ArrayList<>(),
-                        result.getString(4),
-                        result.getString(5),
-                        result.getInt(6),
                         result.getBoolean(7)
                 );
-                medications.add(medication);
+                medications.put(currentMedicationId, medication);
             }
+
             List<Ingredient> ingredients = ingredientMap.computeIfAbsent(currentMedicationId, k -> new ArrayList<>());
             String ingredientName = result.getString(8);
-            if(ingredientName == null){
-                continue;
+            if (ingredientName != null && !latIngredient.equals(ingredientName)) {
+                ingredients.add(new Ingredient(ingredientName));
+                latIngredient = ingredientName;
             }
-            ingredients.add(new Ingredient(ingredientName));
+
+            Set<Integer> alternatives = alternativesMap.computeIfAbsent(currentMedicationId, k -> new HashSet<>());
+            int alternativeId = result.getInt(9);
+            if (alternativeId != 0) {
+                alternatives.add(alternativeId);
+            }
+
             lastMedicationId = currentMedicationId;
         }
-        for (Medication medication : medications) {
+        for (Medication medication : medications.values()) {
             List<Ingredient> ingredients = ingredientMap.get(medication.getId());
-            if(ingredients.isEmpty()){
+            if (ingredients.isEmpty()) {
                 continue;
             }
             medication.setIngredients(ingredientMap.get(medication.getId()));
+            Set<Integer> alternativeIds = alternativesMap.get(medication.getId());
+            List<Medication> alternatives = new ArrayList<>();
+            for (Integer alternativeId : alternativeIds) {
+                alternatives.add(medications.get(alternativeId));
+            }
+            medication.setAlternativeMedication(alternatives);
         }
 
-        return medications;
+        return medications.values().stream().toList();
     }
 
     public List<Medication> readAllAvailable() throws SQLException {
-        final String SQL = """
-                    SELECT medication.*, medication_ingredient.name
-                    FROM medication LEFT JOIN
-                    medication_ingredient
-                    ON medication.id = medication_ingredient.id
-                    WHERE medication.isDeprecated = false
-                """;
-        ResultSet result = connection.prepareStatement(SQL).executeQuery();
+        return readAll()
+                .stream()
+                .filter(med -> !med.isDeprecated())
+                .toList();
+    }
 
-        List<Medication> medications = new ArrayList<>();
-        Map<Integer, List<Ingredient>> ingredientMap = new HashMap<>();
-
-        int currentMedicationId;
-        int lastMedicationId = -1;
-        while (result.next()) {
-            currentMedicationId = result.getInt(1);
-            if (currentMedicationId != lastMedicationId) {
-                Medication medication = new Medication(
-                        result.getInt(1),
-                        result.getString(2),
-                        result.getString(3),
-                        new ArrayList<>(),
-                        result.getString(4),
-                        result.getString(5),
-                        result.getInt(6),
-                        result.getBoolean(7)
-                );
-                medications.add(medication);
-            }
-            List<Ingredient> ingredients = ingredientMap.computeIfAbsent(currentMedicationId, k -> new ArrayList<>());
-            String ingredientName = result.getString(8);
-            if(ingredientName == null){
-                continue;
-            }
-            ingredients.add(new Ingredient(ingredientName));
-            lastMedicationId = currentMedicationId;
-        }
-        for (Medication medication : medications) {
-            List<Ingredient> ingredients = ingredientMap.get(medication.getId());
-            if(ingredients.isEmpty()){
-                continue;
-            }
-            medication.setIngredients(ingredientMap.get(medication.getId()));
-        }
-
-        return medications;
+    public List<Medication> readAllDeprecated() throws SQLException {
+        return readAll()
+                .stream()
+                .filter(Medication::isDeprecated)
+                .toList();
     }
 
     @Override
@@ -266,6 +203,25 @@ public class MedicationDao implements Dao<Medication> {
             statement.setString(2, ingredient.getName());
             statement.execute();
         }
+
+        final String alternativeDeleteSQL = """
+                    DELETE FROM medication_alternative WHERE id = ?
+                """;
+        PreparedStatement alternativeStatement = this.connection.prepareStatement(alternativeDeleteSQL);
+        alternativeStatement.setInt(1, medication.getId());
+        alternativeStatement.executeUpdate();
+
+        final String alternativeCreateSQL = """
+                    INSERT INTO medication_alternative
+                    (id, alternativeId)
+                    VALUES (?, ?);
+                """;
+        for (Medication alternative : medication.getAlternativeMedication()) {
+            PreparedStatement statement = this.connection.prepareStatement(alternativeCreateSQL);
+            statement.setInt(1, medication.getId());
+            statement.setInt(2, alternative.getId());
+            statement.execute();
+        }
     }
 
     @Override
@@ -278,6 +234,23 @@ public class MedicationDao implements Dao<Medication> {
         preparedStatement.executeUpdate();
     }
 
+    /**
+     * @param id The ID of the database entry to read.
+     * @return A {@link PreparedStatement} to read a specific entry by its ID.
+     */
+    public PreparedStatement getReadStatement(int id) throws SQLException {
+        final String SQL = """
+                        SELECT medication.*, medication_ingredient.name, medication_alternative.alternativeId
+                        FROM medication
+                        LEFT JOIN medication_ingredient ON medication.id = medication_ingredient.id
+                        LEFT JOIN medication_alternative ON medication.id = medication_alternative.id
+                        WHERE medication.id = ?
+                """;
+        PreparedStatement statement = this.connection.prepareStatement(SQL);
+        statement.setInt(1, id);
+        return statement;
+    }
+
     /**
      * Constructs a {@link Medication} object from the {@link ResultSet} obtained after executing a database query.
      * This method is used internally to map the {@link ResultSet} data to a {@link Medication} object.
@@ -290,19 +263,41 @@ public class MedicationDao implements Dao<Medication> {
                 result.getInt(1),
                 result.getString(2),
                 result.getString(3),
-                List.of(),
+                new ArrayList<>(),
                 result.getString(4),
                 result.getString(5),
                 result.getInt(6),
+                new ArrayList<>(),
                 result.getBoolean(7)
         );
 
         List<Ingredient> ingredients = new ArrayList<>();
+        List<Medication> alternatives = new ArrayList<>();
         while (result.next()) {
-            ingredients.add(new Ingredient(result.getString(2)));
-
+            String ingredientName = result.getString(8);
+            if (ingredientName != null) {
+                ingredients.add(new Ingredient(ingredientName));
+            }
+            int alternativeId = result.getInt(9);
+            if (alternativeId != 0) {
+                ResultSet alternativeResult = getReadStatement(alternativeId).executeQuery();
+                Medication alternativeMedication = new Medication(
+                        alternativeResult.getInt(1),
+                        alternativeResult.getString(2),
+                        alternativeResult.getString(3),
+                        new ArrayList<>(),
+                        alternativeResult.getString(4),
+                        alternativeResult.getString(5),
+                        alternativeResult.getInt(6),
+                        new ArrayList<>(),
+                        alternativeResult.getBoolean(7)
+                );
+                alternatives.add(alternativeMedication);
+            }
         }
         medication.setIngredients(ingredients);
+        medication.setAlternativeMedication(alternatives);
         return medication;
+
     }
 }
diff --git a/src/main/java/module-info.java b/src/main/java/module-info.java
index 56fcea2..0c396b4 100644
--- a/src/main/java/module-info.java
+++ b/src/main/java/module-info.java
@@ -3,6 +3,7 @@ module de.hitec.nhplus {
     requires javafx.fxml;
     requires java.sql;
     requires org.xerial.sqlitejdbc;
+    requires org.controlsfx.controls;
 
     exports de.hitec.nhplus;
     opens de.hitec.nhplus to javafx.fxml;
diff --git a/src/main/resources/de/hitec/nhplus/medication/AllMedicationView.fxml b/src/main/resources/de/hitec/nhplus/medication/AllMedicationView.fxml
index 63407cc..d4de0e6 100644
--- a/src/main/resources/de/hitec/nhplus/medication/AllMedicationView.fxml
+++ b/src/main/resources/de/hitec/nhplus/medication/AllMedicationView.fxml
@@ -49,6 +49,11 @@
                         minWidth="100.0"
                         text="Lagerbestand"
                 />
+                <TableColumn
+                    fx:id="columnAlternativeMedication"
+                    minWidth="100.0"
+                    text="Alternative Medikamente"
+                />
             </columns>
             <columnResizePolicy>
                 <TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
diff --git a/src/main/resources/de/hitec/nhplus/medication/DeprecatedMedicationView.fxml b/src/main/resources/de/hitec/nhplus/medication/DeprecatedMedicationView.fxml
index a39c742..6a89e05 100644
--- a/src/main/resources/de/hitec/nhplus/medication/DeprecatedMedicationView.fxml
+++ b/src/main/resources/de/hitec/nhplus/medication/DeprecatedMedicationView.fxml
@@ -49,6 +49,11 @@
                         minWidth="100.0"
                         text="Lagerbestand"
                 />
+                <TableColumn
+                        fx:id="columnAlternativeMedication"
+                        minWidth="100.0"
+                        text="Alternative Medikamente"
+                />
             </columns>
             <columnResizePolicy>
                 <TableView fx:constant="CONSTRAINED_RESIZE_POLICY"/>
diff --git a/src/main/resources/de/hitec/nhplus/medication/MedicationModal.fxml b/src/main/resources/de/hitec/nhplus/medication/MedicationModal.fxml
index c368327..4a4990a 100644
--- a/src/main/resources/de/hitec/nhplus/medication/MedicationModal.fxml
+++ b/src/main/resources/de/hitec/nhplus/medication/MedicationModal.fxml
@@ -3,6 +3,7 @@
 <?import javafx.geometry.*?>
 <?import javafx.scene.control.*?>
 <?import javafx.scene.layout.*?>
+<?import org.controlsfx.control.SearchableComboBox?>
 <BorderPane
         xmlns="http://javafx.com/javafx/17.0.2-ea"
         xmlns:fx="http://javafx.com/fxml/1"
@@ -77,16 +78,13 @@
             </padding>
             <left>
                 <BorderPane>
-                    <BorderPane.margin>
-                        <Insets right="8"/>
-                    </BorderPane.margin>
                     <top>
                         <Label text="Inhaltsstoffe:"/>
                     </top>
                     <center>
                         <ListView fx:id="listViewIngredients" minWidth="200">
                             <BorderPane.margin>
-                                <Insets top="8"/>
+                                <Insets top="4"/>
                             </BorderPane.margin>
                         </ListView>
                     </center>
@@ -105,10 +103,45 @@
                     </bottom>
                 </BorderPane>
             </left>
-            <center>
+            <right>
                 <BorderPane>
                     <top>
-                        <Label text="Nebenwirkungen"/>
+                        <Label text="Alternative Medikamente:"/>
+                    </top>
+                    <center>
+                        <ListView fx:id="listViewAlternativeMedication" minWidth="200">
+                            <BorderPane.margin>
+                                <Insets top="4"/>
+                            </BorderPane.margin>
+                        </ListView>
+                    </center>
+                    <bottom>
+                        <AnchorPane>
+                            <BorderPane.margin>
+                                <Insets top="8"/>
+                            </BorderPane.margin>
+                            <Button
+                                onAction="#handleAddAlternativeMedication"
+                                text="+"
+                                AnchorPane.leftAnchor="0"
+                                AnchorPane.rightAnchor="0"
+                            />
+                        </AnchorPane>
+                    </bottom>
+                </BorderPane>
+            </right>
+            <center>
+                <BorderPane>
+                    <BorderPane.margin>
+                        <Insets left="8" right="8"/>
+                    </BorderPane.margin>
+                    <top>
+                        <Label text="Nebenwirkungen">
+                            <BorderPane.margin>
+                                <Insets bottom="4"/>
+                            </BorderPane.margin>
+
+                        </Label>
                     </top>
                     <center>
                         <TextArea fx:id="textAreaPossibleSideEffects"/>
diff --git a/src/main/resources/de/hitec/nhplus/medication/database/Medication_Alternative.sql b/src/main/resources/de/hitec/nhplus/medication/database/Medication_Alternative.sql
new file mode 100644
index 0000000..76e3364
--- /dev/null
+++ b/src/main/resources/de/hitec/nhplus/medication/database/Medication_Alternative.sql
@@ -0,0 +1,7 @@
+CREATE TABLE medication_alternative
+(
+    id   INTEGER NOT NULL ,
+    alternativeId   INTEGER NOT NULL ,
+    FOREIGN KEY (id) REFERENCES medication (id) ON DELETE CASCADE,
+    FOREIGN KEY (alternativeId) REFERENCES medication (id) ON DELETE CASCADE
+)
\ No newline at end of file
-- 
2.45.2