From 3b9f8220a4e4604a4d05fdbca2ff98719769f1bb Mon Sep 17 00:00:00 2001
From: Matt Johnston <matt@ucc.gu.uwa.edu.au>
Date: Thu, 11 Aug 2005 10:35:04 +0000
Subject: [PATCH] Explicit snack support

---
 sql-edition/servers/SnackConfig.py | 77 ++++++++++++++++++++++++++++++
 sql-edition/servers/VendServer.py  | 23 +++++++--
 sql-edition/servers/snacks.conf    | 14 ++++++
 3 files changed, 111 insertions(+), 3 deletions(-)
 create mode 100755 sql-edition/servers/SnackConfig.py
 create mode 100644 sql-edition/servers/snacks.conf

diff --git a/sql-edition/servers/SnackConfig.py b/sql-edition/servers/SnackConfig.py
new file mode 100755
index 0000000..e608f81
--- /dev/null
+++ b/sql-edition/servers/SnackConfig.py
@@ -0,0 +1,77 @@
+#!/usr/bin/env python
+
+class VendingException( Exception ): pass
+
+FILENAME="snacks.conf"
+
+def parse_line( l ):
+	toks = l.strip().split()
+	if not len( toks ):
+		return
+
+	if toks[0][:1] == '#':
+		return
+
+	if len( toks ) < 4:
+		raise VendingException( "Bad line '%s' in snack config file, too few items" % l )
+
+	# price
+	try:
+		price = int( toks[0] )
+	except ValueError:
+		raise VendingException( "Bad line '%s' in snack config file, bad price" % l)
+
+	# slots
+	slots = toks[1].split(",")
+	for s in slots:
+		if len(s) != 2:
+			raise VendingException( "Bad line %s' in snack config file, bad slot '%s'" % (l, s) )
+	
+	# shortname for dispense
+	shortname = toks[2]
+
+	# name
+	name = ' '.join( toks[3:] )
+
+	return ( price, slots, shortname, name )
+
+def get_snacks( filename = FILENAME ):
+
+	snacks = []
+	try:
+		f = file( filename )
+		snacks = filter( bool, map( parse_line, f ) )
+	except IOError, e:
+		raise VendingException( e )
+
+	ret = {}
+	for price, slots, shortname, name in snacks:
+			for s in slots:
+					ret[s] = (price, shortname, name)
+
+	return ret
+
+def get_snack( slot ):
+	
+	snacks = get_snacks()
+	if slot not in key:
+		raise VendingException( "Slot '%s' isn't in config file" % slot )
+	
+	return snacks[slot]
+
+def get_price( slot ):
+		p, sn, n = get_snacks( slot )
+		return p
+
+def get_name( slot ):
+		p, sn, n = get_snacks( slot )
+		return n
+
+def get_short_name( slot ):
+		p, sn, n = get_snacks( slot )
+		return sn
+
+if __name__ == '__main__':
+	snacks = get_snacks()
+
+	print snacks
diff --git a/sql-edition/servers/VendServer.py b/sql-edition/servers/VendServer.py
index c93fda0..a253f28 100755
--- a/sql-edition/servers/VendServer.py
+++ b/sql-edition/servers/VendServer.py
@@ -105,8 +105,19 @@ def scroll_options(username, mk, welcome = False):
 		(slot_num, price, slot_name) = c.split(' ', 2)
 		if slot_name == 'dead': continue
 		choices += '%s8-%s (%sc) '%(slot_num, slot_name, price)
+
+#	we don't want to print snacks for now since it'll be too large
+#	and there's physical bits of paper in the machine anyway - matt
+#	try:
+#		snacks = get_snacks()
+#	except:
+#		snacks = {}
+#
+#	for slot, ( name, price ) in snacks.items():
+#		choices += '%s8-%s (%sc) ' % ( slot, name, price )
+
 	choices += '55-DOOR '
-	choices += 'OR A SNACK. '
+	choices += 'OR ANOTHER SNACK. '
 	choices += '99 TO READ AGAIN. '
 	choices += 'CHOICE?   '
 	msg.append((choices, False, None))
@@ -396,8 +407,14 @@ def make_selection(v, vstatus):
 		else:
 			v.display('GOT COKE!')
 	else:
-		v.display(vstatus.cur_selection+' - $1.00')
-		if ((os.system('su - "%s" -c "dispense snack"'%(vstatus.username)) >> 8) == 0):
+		# first see if it's a named slot
+		try:
+			price, shortname, name = get_snack( vstatus.cur_selection )
+		except:
+			price, shortname, name = get_snack( '--' )
+		dollarprice = "$%.2f" % ( price / 100.0 )
+		v.display(vstatus.cur_selection+' - %s'%dollarprice)
+		if ((os.system('su - "%s" -c "dispense %s"'%(vstatus.username, shortname)) >> 8) == 0):
 			v.vend(vstatus.cur_selection)
 			v.display('THANK YOU')
 		else:
diff --git a/sql-edition/servers/snacks.conf b/sql-edition/servers/snacks.conf
new file mode 100644
index 0000000..4f036ed
--- /dev/null
+++ b/sql-edition/servers/snacks.conf
@@ -0,0 +1,14 @@
+# format:
+# all are whitespace seperated, name can have whitespace.
+# price - in cents
+# slots - comma seperated list of slots with this item.
+#       - don't put any spaces in this
+#       - the magically named '--' slot is the default for 
+#         unadded slots
+# name  - the name, spaces are OK.
+
+# price		slots		dispensename	name
+# eg
+# 550		88,00		5out			$5 withdrawal
+ 550		88,00		5out			$5 withdrawal
+ 110		--			snack			tasty snack
-- 
2.20.1