Almost Done

app/src/main/java/com/example/bookingapp_austinblanke/DatabaseConnector.java

@@ -342,6 +342,28 @@ public class DatabaseConnector extends SQLiteOpenHelper {
         return result;
     }
 
+    public int overBook(String PID, int Cnt){
+        int result = 0;
+        String query = "SELECT * FROM " + TABLE_PERFORMANCES + " WHERE " + COLUMN_PERFORMANCEID + " = \"" + PID + "\"";
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor = db.rawQuery(query, null);
+        cursor.moveToFirst();
+        if(Cnt == 1){result = Integer.parseInt(cursor.getString(10));}
+        if(Cnt == 2){result = Integer.parseInt(cursor.getString(13));}
+        if(Cnt == 3){result = Integer.parseInt(cursor.getString(16));}
+        cursor.close();
+        db.close();
+        return result;
+    }
+
+    public void deleteBooking(int BID){
+        String query = "SELECT * FROM " + TABLE_BOOKINGS;
+        SQLiteDatabase db = this.getWritableDatabase();
+        Cursor cursor = db.rawQuery(query, null);
+        db.delete(TABLE_BOOKINGS, COLUMN_BID + "=" + BID, null);
+        cursor.close();
+        db.close();
+    }
     public ArrayList bookings(){
         ArrayList<String> bookings = new ArrayList<>();
         String query = "SELECT * FROM " + TABLE_BOOKINGS;

app/src/main/java/com/example/bookingapp_austinblanke/MoreInfoActivity.java

@@ -115,8 +115,6 @@ public class MoreInfoActivity extends AppCompatActivity {
         EditText Tic1Cnt = findViewById(R.id.bookTicket1Cnt);
         EditText Tic2Cnt = findViewById(R.id.bookTicket2Cnt);
         EditText Tic3Cnt = findViewById(R.id.bookTicket3Cnt);
-
-
         TIC1 = Tic1Cnt.getText().toString();
         TIC2 = Tic2Cnt.getText().toString();
         TIC3 = Tic3Cnt.getText().toString();
@@ -125,10 +123,17 @@ public class MoreInfoActivity extends AppCompatActivity {
         if(TIC2 == ""){TIC2="0";}
         if(TIC3 == ""){TIC3="0";}
 
-
+        if (Integer.parseInt(TIC1) == 0 && Integer.parseInt(TIC2) == 0 && Integer.parseInt(TIC3) == 0){Toast.makeText(this, "No booking information given", Toast.LENGTH_SHORT).show();}
+        else{
+            if(Integer.parseInt(TIC1) > 20 || Integer.parseInt(TIC2) > 20 || Integer.parseInt(TIC3) > 20){
+                Toast.makeText(this, "Not enough tickets available", Toast.LENGTH_SHORT).show();
+            }
+            else{
                 connector.addBooking(PID, Integer.parseInt(TIC1), Integer.parseInt(TIC2), Integer.parseInt(TIC3));
                 Intent intent = new Intent(this, MainActivity.class);
                 startActivity(intent);
             }
+        }
+    }
 
 }

app/src/main/java/com/example/bookingapp_austinblanke/SingleBookingActivity.java

@@ -6,10 +6,14 @@ import android.view.View;
 
 import androidx.appcompat.app.AppCompatActivity;
 
+
 public class SingleBookingActivity extends AppCompatActivity {
+    String BID;
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.singlebooking);
+        Bundle loginBundle = getIntent().getExtras();
+        BID = loginBundle.getString("BID");
     }
 
     public void myBookings(View view){
@@ -17,4 +21,11 @@ public class SingleBookingActivity extends AppCompatActivity {
         startActivity(intent);
     }
 
+    public void deleteBooking(View view){
+        DatabaseConnector connector = new DatabaseConnector(this, null);
+        connector.deleteBooking(Integer.valueOf(BID));
+        Intent intent = new Intent(this, MyBookingsActivity.class);
+        startActivity(intent);
+    }
+
 }

app/src/main/res/layout/singlebooking.xml

@@ -16,4 +16,55 @@
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
         app:layout_constraintVertical_bias="0.134" />
+
+    <Button
+        android:id="@+id/deleteBooking"
+        android:layout_width="205dp"
+        android:layout_height="49dp"
+        android:onClick="deleteBooking"
+        android:text="Delete Booking"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.787" />
+
+    <TextView
+        android:id="@+id/BTitle"
+        android:layout_width="290dp"
+        android:layout_height="92dp"
+        android:text="TextView"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.495"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.267" />
+
+    <TextView
+        android:id="@+id/time"
+        android:layout_width="107dp"
+        android:layout_height="39dp"
+        android:text="TextView"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.799"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.417" />
+
+    <TextView
+        android:id="@+id/date"
+        android:layout_width="190dp"
+        android:layout_height="55dp"
+        android:text="TextView"
+        android:textSize="24sp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintHorizontal_bias="0.18"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:layout_constraintVertical_bias="0.181" />
 </androidx.constraintlayout.widget.ConstraintLayout>
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