Mulighet for å vise alle transaksjoner og for å kalle den nye fine

produktlistetingen i ShowUserMenu.

helpers.py

@@ -1,6 +1,8 @@
 from db import *
 from sqlalchemy import or_
 import pwd
+import subprocess
+import os
 
 def search_user(string, session):
 	exact_match = session.query(User).filter(or_(User.name==string, User.card==string)).first()
@@ -111,3 +113,12 @@ def safe_str(obj):
 		return obj.encode('utf8')
 	else:
 		return safe_str(unicode(obj))
+
+def less(string):
+	'''
+	Run less with string as input; wait until it finishes.
+	'''
+	env = dict(os.environ)
+	env['LESSSECURE'] = '1'
+	proc = subprocess.Popen('less', env=env, stdin=subprocess.PIPE)
+	proc.communicate(safe_str(string))

text_based.py

@@ -644,9 +644,35 @@ class ShowUserMenu(Menu):
 		print 'User name: %s' % user.name
 		print 'Card number: %s' % user.card
 		print 'Credit: %s kr' % user.credit
-		self.print_transactions(user)
+		selector = Selector('What do you want to know about %s?' % user.name,
-#		self.print_purchased_products(user)
+				    items=[('transactions', 'Everything (list of all transactions)'),
-		self.pause()
+					   ('products', 'Which products %s has bought, and how many' % user.name)])
+		what = selector.execute()
+		if what == 'transactions':
+			self.print_all_transactions(user)
+		elif what == 'products':
+			self.print_purchased_products(user)
+			self.pause()
+		else:
+			print 'What what?'
+
+	def print_all_transactions(self, user):
+		num_trans = len(user.transactions)
+		string = '%s\'s transactions (%d):\n' % (user.name, num_trans)
+		for t in user.transactions:
+			string += ' * %s: %s %d kr, ' % \
+			    (t.time.strftime('%Y-%m-%d %H:%M'),
+			     {True:'in', False:'out'}[t.amount<0],
+			     abs(t.amount))
+			if t.purchase:
+				string += 'purchase ('
+				string += ', '.join(map(lambda e: e.product.name,
+							t.purchase.entries))
+				string += ')'
+			else:
+				string += t.description
+			string += '\n'
+		less(string)
 
 	def print_transactions(self, user, limit=10):
 		num_trans = len(user.transactions)