def run(self):
# Init the db object
db = DB(self.dbHost, self.dbDatabase, self.dbTable, self.dbUser, self.dbPass)
# Connect to the remote database server
loginStatus = db.connect()
self.emit(SIGNAL("postLogin(PyQt_PyObject, PyQt_PyObject)"), loginStatus, db)
def run(self):
# Init the db object
db = DB(self.dbHost, self.dbDatabase, self.dbTable, self.dbUser, self.dbPass)
# Connect to the remote database server
loginStatus = db.connect()
self.postLoginSignal.emit(loginStatus, db)
class TextUI:
def __init__(self):
self.db = None
def start(self):
# Compile the regex for pulling the card ID from all the data on a card
# Do this here so it isn't done multiple times in the functions below
self.regex = re.compile(";(.+)=")
try:
while 1:
# Get DB info
self.getDbInfo()
# Create the DB object
self.db = DB(self.dbHost, c.DEFAULT_DATABASE, self.dbTable, self.dbUser, self.dbPass)
# Connect to the database
connectStatus = self.connectToDatabase()
# If we failed to connect to the database offer to re-enter db info
if connectStatus != c.SUCCESS:
reenter = raw_input("Failed to connect to database. Re-enter database info? (Y,n) ")
if reenter.lower() == "n":
print "Bye."
sys.exit(0)
else:
break
# Start the main menu loop
self.displayMenu()
except KeyboardInterrupt:
pass
finally:
print "Cleaning up and exiting..."
if self.db is not None:
self.db.close()
def displayMenu(self):
print "\nType \"back\" at any time to go up a menu level."
while 1:
# Display main menu
print "\n\t1.) Check-in\n\t2.) Show Points\n\t3.) Exit"
try:
option = raw_input("\n>> ")
if option == "1":
self.checkin()
elif option == "2":
self.showPoints()
elif option == "3":
sys.exit(0)
elif option == "back" or option == "exit":
exit = raw_input("Exit? (y,N) ")
if exit.lower() == "y":
sys.exit(0)
else:
self.invalidInput()
except ValueError:
self.invalidInput()
def connectToDatabase(self):
# Use stdout.write to prevent newline
sys.stdout.write("Connecting to database...")
# Connect to the DB!
status = self.db.connect()
if status == c.SUCCESS:
print "done."
return status
elif status == c.BAD_PASSWD:
print "\nError connecting to database: Bad username or password."
return status
else:
print "\nUnknown Error connecting to database."
return c.FAILURE
def checkin(self):
# Get and validate the point value for this check-in
# Limited to 500 points to prevent bad typos
while 1:
pointValue = SharedUtils.sanitizeInput(raw_input("\nPoint Value (" + str(c.DEFAULT_POINTS) + "): "))
# Validate point input
if pointValue == "":
pointValue = str(c.DEFAULT_POINTS)
break
elif (pointValue.isdigit() and int(pointValue) <= 500) or pointValue == "back":
break
else:
print "Invalid input. Try again."
while 1:
cardID = self.getCardSwipe()
# If the user requested to exit the loop, break
if cardID == c.BACK:
break
elif cardID == c.ERROR_READING_CARD:
print "Error reading card. Swipe card again."
continue
# Sanitize cardID
cardID = SharedUtils.sanitizeInput(cardID)
# cardID will be empty if it failed sanitization. Skip checkin if that is the case
if cardID == "":
continue
# Do the checkin
checkinResult = self.db.checkin(cardID, pointValue)
if checkinResult["checkinStatus"] == c.SQL_ERROR:
self.showDatabaseError(checkinResult["sqlError"])
elif checkinResult["checkinStatus"] == c.BAD_CHECKIN_TIME:
print "Error: You may only check-in once per hour."
elif checkinResult["checkinStatus"] == c.FUTURE_CHECKIN_TIME:
print "Error: Previous check-in time was in the future. Check your local system time."
elif checkinResult["checkinStatus"] == c.CARD_NOT_IN_DB:
# Ask if user wants to add the card
addCard = raw_input("Error: Card not found in database. Add it now? (Y,n) ")
if addCard == "n":
continue
# Get the accessID for the new card
accessID = SharedUtils.sanitizeInput(raw_input("Access ID: "))
# Add the card
addCardResult = self.db.addCard(cardID, accessID, pointValue)
if addCardResult["addCardStatus"] == c.SUCCESS:
self.showCheckinConfirmation(accessID, pointValue)
elif addCardResult["addCardStatus"] == c.SQL_ERROR:
self.showDatabaseError(addCardResult["sqlError"])
elif checkinResult["checkinStatus"] == c.SUCCESS:
self.showCheckinConfirmation(checkinResult["accessID"], pointValue)
else:
print "Unknown error checking in."
def showPoints(self):
accessID = SharedUtils.sanitizeInput(raw_input("\nAccess ID (blank for all): "))
showPointsResult = self.db.showPoints(accessID)
if showPointsResult["showPointsStatus"] == c.SQL_ERROR:
self.showDatabaseError(showPointsResult["sqlError"])
elif showPointsResult["showPointsStatus"] == c.NO_RESULTS:
print "\nThere were no results to that query."
elif showPointsResult["showPointsStatus"] == c.SUCCESS:
# If showing all users, display a pretty table
if accessID == "":
print "\n+--------------------+\n| Access ID | Points |\n+--------------------+"
for i in range(len(showPointsResult["pointsTuple"])):
print "|%10s | %6s |" % (showPointsResult["pointsTuple"][i][0], showPointsResult["pointsTuple"][i][1])
print "+--------------------+"
# Show a single user's points
else:
print "\n%s has %s points." % (accessID, str(showPointsResult["pointsTuple"][0][0]))
def getCardSwipe(self):
# Read the card data as a password so it doesn't show on the screen
cardID = SharedUtils.sanitizeInput(getpass.getpass("\nWaiting for card swipe..."))
try:
# Return the card ID
return self.regex.search(cardID).group(1)
except AttributeError:
# If exit or back, just return to go back
if "exit" in cardID or "back" in cardID:
return c.BACK
# Else, a match wasn't found which probably means there was
# and error reading the card or the card isn't a PSU ID card
# but assume the former
else:
return c.ERROR_READING_CARD
def getDbInfo(self):
self.dbHost = raw_input("Database host: (" + c.DEFAULT_HOST + ") ")
if self.dbHost == "":
self.dbHost = c.DEFAULT_HOST
self.dbTable = raw_input("Database table: (" + c.DEFAULT_TABLE + ") ")
if self.dbTable == "":
self.dbTable = c.DEFAULT_TABLE
self.dbUser = raw_input("Database Username: (" + c.DEFAULT_USER + ") ")
if self.dbUser == "":
self.dbUser = c.DEFAULT_USER
while 1:
self.dbPass = getpass.getpass("Database Password: "******"":
print "Database password cannot be blank."
else:
break
def showCheckinConfirmation(self, accessID, pointValue):
print "%s +%s points" % (accessID, pointValue)
def showDatabaseError(self, error):
print "\nWARNING! Database error:\n%s" % (error.args[1])
def invalidInput(self):
print "Invalid option. Try again."
