def handle_battle_form():
comp1 = request.forms.get('comp1')
comp2 = request.forms.get('comp2')
question = request.forms.get('question')
# [TODO] make slug safe, no dupes possible, safe to be used in a URL
slug = comp1 + '-vs-' + comp2
# [TODO] create the 2 QRCodes contents (what's encoded)
qr_content1 = comp1
qr_content2 = comp2
# starting points
points1 = 0
points2 = 0
# dummy content for "question" field
question = "nog niks"
try:
# connect to database
con = sqlite3.connect('qrbattle.db')
# write QR Codes to the filesystem, [TODO] off course these names
# should be added to the database record, otherwise we can not couple
# them afterwards
qrcode_file1 = save_qrcode(qr_content2, QR_IMG_TYPES[1], QR_FS_ROOT,
toolbox.random_identifier(), 2, QRErrorCorrectLevel.L)
qrcode_file2 = save_qrcode(qr_content1, QR_IMG_TYPES[1], QR_FS_ROOT,
toolbox.random_identifier(), 2, QRErrorCorrectLevel.L)
# write to db
# [TODO] check database availability of "slug" name in db
c = con.cursor()
c.execute("INSERT INTO qrbattle VALUES (NULL,?,?,?,?,?,?,?,?)", (slug, question, comp1, comp2, qr_content1, qr_content2, points1, points2))
new_id = c.lastrowid
print "new_id is " + str(new_id)
con.commit()
c.close()
# serve page with QR Codes
return template('battlefield',
qrimg1=qrcode_file1,
qrimg2=qrcode_file2,
error_msg=''
)
except ValueError:
# show error messages
return template('index', error_msg='fill in both competitors')
except IOError:
# show message saying the qrcode can't be written to the system
return template('index', error_msg='technical error, probably a\
filesystem issue, check config and permissions')
def create_qrcode(self, content, alttag, titletag, img_types=settings.QR_IMG_TYPES):
# determine the name of the QRCode file
# HACK, just calling it something random [TODO] refactor
print("in create_qrcode: " + content)
name = toolbox.random_identifier()
# first make the file(s)
def qrcode_files(qr_img_types):
for t in qr_img_types:
qrcode_filename, full_file_path = self.create_qrcode_file(content, t, name)
yield qrcode_filename, full_file_path
qrcode_fullpaths = [y for x,y in qrcode_files(settings.QR_IMG_TYPES)]
# then make the qrcode record
qr_id = self.create_qrcode_record(self.author_id, content, self.eclevel, self.qrtypenumber, qrcode_fullpaths[0], alttag, titletag, datetime.datetime.now())
return qr_id, name
def handle_form():
# check the text
text = request.forms.get('qrtext')
try:
# write qr code to filesystem
qrcode_filename = save_qrcode(text, QR_IMG_TYPES[1], QR_FS_ROOT,
toolbox.random_identifier(), 2, QRErrorCorrectLevel.L)
# serve page with qrcode and download link(s)
return template('yourqr', qrcode_filename=qrcode_filename, text=text)
except ValueError:
# show error messages
return template('index', error_msg='please enter some text')
except IOError:
# show message saying the qrcode can't be written to the system
return template('index', error_msg='technical error, probably a\
filesystem issue, check config and permissions')
