class Room(object):
# very limited content negotiation support - our format choices
# for output. This also shows _a way_ of representing enums in python
json, xml, html, text = range(1, 5)
#
# setup the configuration for our service
#
def __init__(self, base, conf_fn):
self.host = socket.gethostname()
self.base = base
self.conf = {}
# should emit a failure (file not found) message
if os.path.exists(conf_fn):
with open(conf_fn) as cf:
for line in cf:
name, var = line.partition("=")[::2]
self.conf[name.strip()] = var.strip()
else:
raise Exception("configuration file not found.")
# create storage
self.__store = Storage()
#
# example: get course
#
def getCourse(self, id):
return self.__store.getCourse(id)
#
# example: add data
#
def add(self,name,value):
try:
self.__store.insert(name,value)
self.__store.names();
return 'success'
except:
e = sys.exc_info()[0]
traceback.print_exc(file=sys.stdout)
return "Error: %s" % e
# TODO success|failure
# update Annoucement
def updateDiscussion(self, id, body):
return self.__store.updateDiscussion(id, body)
# update Annoucement
def updateAnnoucement(self, id, body):
return self.__store.updateAnnoucement(id, body)
#
# Discussion list delete
#
def deleteDiscussion(self, id):
return self.__store.deleteDiscussion(id)
#
# Announcement list delete
#
def deleteAnnouncement(self, id):
return self.__store.deleteAnnouncement(id)
# update course
def updateCourse(self, id, body):
return self.__store.updateCourse(id, body)
# enroll course
def enrollCourse(self, email, courseid):
return self.__store.enrollCourse(email, courseid)
#
# course list delete
#
def deleteCourse(self, id):
return self.__store.deleteCourse(id)
#
# course list find
#
def listCourse(self):
return self.__store.listCourse()
def auth(self, email, pwd):
return self.__store.auth(email,pwd)
def addUser(self,email,pwd,fname,lname):
return self.__store.addUser(email,pwd,fname,lname)
def updateUser(self, email, data):
return self.__store.updateUser(email,data)
def deleteUser(self, email):
return self.__store.deleteUser(email)
def getUser(self, email):
return self.__store.getUser(email)
def addCourse(self, body):
return self.__store.addCourse(body)
#
# category find
#
def catfind(self,id):
return self.__store.catfind(id)
#
# category list find
#
def catlistfind(self):
return self.__store.catlistfind()
#
# Category add data
#
def catadd(self,catname,catdesc,catcreatedate,catstatus):
return self.__store.catinsert(catname,catdesc,catcreatedate,catstatus)
#
# announcement find
#
def announcementfind(self,id):
return self.__store.announcementfind(id)
#
# announcement list find
#
def announcementlistfind(self):
return self.__store.announcementlistfind()
#
# announcement add data
#
def announcementadd(self,courseid,anntitle,anndesc,annpostdate,annstatus):
return self.__store.announcementinsert(courseid,anntitle,anndesc,annpostdate,annstatus)
# example: add discussion
#
def addDiscussion(self,course_id,title,createdby,createdAt,updatedAt):
return self.__store.addDiscussion(course_id,title,createdby,createdAt,updatedAt)
def getDiscussionFromId(self,id):
return self.__store.getDiscussionFromId(id)
def getDiscussionFromCourseId(self,course_id):
return self.__store.getDiscussionFromCourseId(course_id)
# example: add message
def addMessage(self,title,content,discussion_id,createdby,createdAt,updatedAt):
return self.__store.addMessage(title,content,discussion_id,createdby,createdAt,updatedAt)
# getMessagesFromDiscussionId
def getMessagesFromDiscussionId(self,discussion_id):
return self.__store.getMessagesFromDiscussionId(discussion_id)
# TODO success|failure
#
# dump the configuration in the requested format. Note placing format logic
# in the functional code is not really a good idea. However, it is here to
# provide an example.
#
#
def dump_conf(self, format):
if format == Room.json:
return self.__conf_as_json()
elif format == Room.html:
return self.__conf_as_html()
elif format == Room.xml:
return self.__conf_as_xml()
elif format == Room.text:
return self.__conf_as_text()
else:
return self.__conf_as_text()
#
# output as xml is supported through other packages. If
# you want to add xml support look at gnosis or lxml.
#
def __conf_as_json(self):
return "xml is hard"
#
#
#
def __conf_as_json(self):
try:
all = {}
all["base.dir"] = self.base
all["conf"] = self.conf
return json.dumps(all)
except:
return "error: unable to return configuration"
#
#
#
def __conf_as_text(self):
try:
sb = StringIO.StringIO()
sb.write("Room Configuration\n")
sb.write("base directory = ")
sb.write(self.base)
sb.write("\n\n")
sb.write("configuration:\n")
for key in sorted(self.conf.iterkeys()):
print >> sb, "%s=%s" % (key, self.conf[key])
str = sb.getvalue()
return str
finally:
sb.close()
#
return "text"
#
#
#
def __conf_as_html(self):
try:
sb = StringIO.StringIO()
sb.write("<html><body>")
sb.write("<h1>")
sb.write("Room Configuration")
sb.write("</h1>")
sb.write("<h2>Base Directory</h2>\n")
sb.write(self.base)
sb.write("\n\n")
sb.write("<h2>Configuration</h2>\n")
sb.write("<pre>")
for key in sorted(self.conf.iterkeys()):
print >> sb, "%s=%s" % (key, self.conf[key])
sb.write("</pre>")
sb.write("</body></html>")
str = sb.getvalue()
return str
finally:
sb.close()
