Methode hinzugefügt

Bibliotheksverwaltung/src/DomainLayer/Medium.java

@@ -2,21 +2,60 @@ package DomainLayer;
 
 import java.time.LocalDate;
 
-public abstract class Medium {
+public abstract class Medium implements Loanable {
 	private String id;
 	private String title;
 	private String releaseYear;
 	private boolean isBorrowed;
 	private LocalDate borrowDate;
 	private LocalDate dueDate;
-    private int renewals;
 
+	// Konstruktor
 	public Medium(String id, String title, String releaseYear) {
 		this.id = id;
 		this.title = title;
 		this.releaseYear = releaseYear;
-        this.isBorrowed = false;
-        this.renewals = 0;
+	}
+	
+	private int renewals = 0;  // Anzahl der bisherigen Verlängerungen
+
+	// Getter und Setter für Verlängerungen
+	public int getRenewals() {
+	    return renewals;
+	}
+
+	public void increaseRenewals() {
+	    renewals++;
+	}
+
+	public void resetRenewals() {
+	    renewals = 0;
+	}
+
+
+	@Override
+	public void setBorrowDate(LocalDate borrowDate) {
+	    this.borrowDate = borrowDate;
+	    this.dueDate = borrowDate != null ? borrowDate.plusDays(getBorrowPeriod()) : null; // Fälligkeitsdatum berechnen
+	}
+
+
+	@Override
+	public LocalDate getDueDate() {
+		return dueDate;
+	}
+
+	public void setDueDate(LocalDate dueDate) {
+	    this.dueDate = dueDate;  // Erlaubt sowohl ein Datum als auch null
+	}
+
+
+	public boolean isBorrowed() {
+		return isBorrowed;
+	}
+
+	public void setBorrowed(boolean borrowed) {
+		isBorrowed = borrowed;
 	}
 
 	public String getId() {
@@ -31,39 +70,6 @@ public abstract class Medium {
 		return releaseYear;
 	}
 
-    public boolean isBorrowed() {
-        return isBorrowed;
-    }
-
-    public void setBorrowed(boolean borrowed) {
-        this.isBorrowed = borrowed;
-    }
-
-    public LocalDate getDueDate() {
-        return dueDate;
-    }
-
-    public void setDueDate(LocalDate dueDate) {
-        this.dueDate = dueDate;
-    }
-
-    public int getRenewals() {
-        return renewals;
-    }
-
-    public void increaseRenewals() {
-        this.renewals++;
-    }
-
-    public void resetRenewals() {
-        this.renewals = 0;
-    }
-
-    // Abstrakte Methoden
-    public abstract int getBorrowPeriod();
-    public abstract boolean isRenewable();
-    public abstract int getMaxRenewals();
-
 	// Neue Methode für den Autor
 	public abstract String getAuthor();
 
@@ -71,8 +77,4 @@ public abstract class Medium {
 		return borrowDate;
 	}
 
-    public void setBorrowDate(LocalDate borrowDate) {
-        this.borrowDate = borrowDate;
-    }
-   
 }