Resolution of bug #2

server.py

@@ -50,9 +50,23 @@ def book(competition,club):
 def purchasePlaces():
     competition = [c for c in competitions if c['name'] == request.form['competition']][0]
     club = [c for c in clubs if c['name'] == request.form['club']][0]
+    club_points = int(club["points"])
     placesRequired = int(request.form['places'])
+
+    if placesRequired > club_points:
+        flash("You don't have enough points to book this quantity. Please try again.")
+        return render_template('welcome.html', club=club, competitions=competitions)
+
+    elif placesRequired <= 0:
+        flash("This is not a correct value. Please try again.")
+        return render_template('welcome.html', club=club, competitions=competitions)
+
     competition['numberOfPlaces'] = int(competition['numberOfPlaces'])-placesRequired
+
+    club["points"] = int(club["points"]) - placesRequired
+
     flash('Great-booking complete!')
+
     return render_template('welcome.html', club=club, competitions=competitions)