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LearnUnits.py
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LearnUnits.py
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import jinja2
import os
import webapp2
import logging
from datetime import datetime
from google.appengine.ext import db
from google.appengine.ext import ndb
from google.appengine.api import users
from webapp2_extras import sessions
from google.appengine.api import memcache
from SecurityUtils import AccessOK
from DButils import TopicSeqRecalc, Test1
from models import SubjectAreas
from models import Languages
TEMPLATE_DIR = os.path.join(os.path.dirname(__file__), 'templates')
jinja_environment = \
jinja2.Environment(loader=jinja2.FileSystemLoader(TEMPLATE_DIR))
jinja_environment.filters['AccessOK'] = AccessOK
class BaseHandler(webapp2.RequestHandler):
@webapp2.cached_property
def jinja2(self):
return jinja2.get_jinja2(app=self.app)
def render_template(
self,
filename,
template_values,
**template_args
):
template = jinja_environment.get_template(filename)
self.response.out.write(template.render(template_values))
def dispatch(self):
# Get a session store for this request.
self.session_store = sessions.get_store(request=self.request)
try:
# Dispatch the request.
webapp2.RequestHandler.dispatch(self)
finally:
# Save all sessions.
self.session_store.save_sessions(self.response)
@webapp2.cached_property
def session(self):
# Returns a session using the default cookie key.
return self.session_store.get_session()
class SLearnUnitList(BaseHandler):
def get(self):
languages = memcache.get("languages")
if languages is not None:
logging.info("get languages from memcache.")
else:
q = Languages.query().order(Languages.langName)
languages = q.fetch(99)
logging.info("Can not get languages from memcache.")
if not memcache.add("languages", languages, 10):
logging.info("Memcache set failed.")
if self.request.get('langCode'):
langCode=self.request.get('langCode')
self.session['langCode'] = langCode
else:
langCode = self.session.get('langCode')
if not langCode:
self.session['langCode'] = 'en'
langCode = 'en'
langName = 'no language'
for language in languages:
if language.langCode == langCode:
langName = language.langName
if self.request.get('StatusFilter'):
StatusFilter=self.request.get('StatusFilter')
self.session['StatusFilter'] = StatusFilter
else:
StatusFilter = self.session.get('StatusFilter')
if not StatusFilter:
self.session['StatusFilter'] = 'all'
StatusFilter = 'all'
count_en = 0
langCode_en = 'en'
q = SubjectAreas.query(SubjectAreas.LangCode == langCode_en)
units = q.fetch(999)
for unit in units:
logging.info('QQQ: count_en: %d' % count_en)
count_en = count_en + 1
logging.info('QQQ: Total count_en: %d' % count_en)
logging.info('QQQ: langCode: %s' % langCode)
count_other_language = 0
q2 = SubjectAreas.query(SubjectAreas.LangCode == langCode)
unitsx = q2.fetch(999)
for unit in unitsx:
logging.info('QQQ: count_other_language: %d' % count_other_language)
count_other_language = count_other_language + 1
logging.info('QQQ: Total count_other_language: %d' % count_other_language)
logging.info('GGG: StatusFilter in SubjAreasList: %s' % StatusFilter)
if StatusFilter == 'all':
q = SubjectAreas.query(SubjectAreas.LangCode == langCode).order(SubjectAreas.LearningUnitID)
else:
q = SubjectAreas.query(SubjectAreas.LangCode == langCode, SubjectAreas.Status == StatusFilter).order(SubjectAreas.LearningUnitID)
units = q.fetch(999)
logout = None
login = None
currentuser = users.get_current_user()
if currentuser:
logout = users.create_logout_url('/subjareas' )
else:
login = users.create_login_url('/subjareas')
StatusList = ['Pending Translation', 'Pending Review', 'Published'];
self.render_template('LearnSubjAreaList.html', {'units': units, 'count_en': count_en, 'count_other_language': count_other_language, 'StatusList':StatusList, 'StatusFilter':StatusFilter, 'languages':languages, 'langCode':langCode, 'langName':langName, 'currentuser':currentuser, 'login':login, 'logout': logout})
class SubjAreaCreate(BaseHandler):
def post(self):
#logging.error('QQQ: templatecreate POST')
n = SubjectAreas(LearningUnitID = self.request.get('Name')
# , Subject=self.request.get('Subject')
, Name = self.request.get('Name')
, Seq = 256
, LangCode = 'en'
, Description=self.request.get('Description')
, Status = 'Pending Review'
)
n.put()
return self.redirect('/subjareas/create')
def get(self):
logout = None
login = None
currentuser = users.get_current_user()
if currentuser:
logout = users.create_logout_url('/subjareas' )
else:
login = users.create_login_url('/subjareas')
SubjectList = ['Math', 'Biology', 'Chemistry'];
self.render_template('LearnSubjAreaCreate.html', {'SubjectList': SubjectList, 'currentuser':currentuser, 'login':login, 'logout': logout})
class SubjAreaEdit(BaseHandler):
def post(self, unit_id):
iden = int(unit_id)
unit = ndb.Key('SubjectAreas', iden).get()
currentuser = users.get_current_user()
unit.Name = self.request.get('Name')
# unit.Subject = self.request.get('Subject')
unit.Description = self.request.get('Description')
StatusPrev = unit.Status
unit.Status = self.request.get('Status')
if not unit.Status == StatusPrev:
unit.StatusBy = currentuser
unit.StatusDate = datetime.now()
unit.put()
return self.redirect('/subjareas')
def get(self, unit_id):
iden = int(unit_id)
unit = ndb.Key('SubjectAreas', iden).get()
logout = None
login = None
currentuser = users.get_current_user()
if currentuser:
logout = users.create_logout_url('/subjareas' )
else:
login = users.create_login_url('/subjareas')
SubjectList = ['Math', 'Biology', 'Chemistry'];
StatusList = ['Pending Translation', 'Pending Review', 'Published'];
self.render_template('LearnSubjAreaEdit.html', {'unit': unit, 'SubjectList': SubjectList, 'StatusList': StatusList, 'currentuser':currentuser, 'login':login, 'logout': logout})
class SubjAreaDelete(BaseHandler):
def get(self, unit_id):
iden = int(unit_id)
unit = ndb.Key('SubjectAreas', iden).get()
currentuser = users.get_current_user()
# if currentuser != template.CreatedBy and not users.is_current_user_admin():
# self.abort(403)
# return
unit.key.delete()
return self.redirect('/subjareas')
class SubjAreaClone(BaseHandler):
def get(self):
if self.request.get('langCode'):
langCode = self.request.get('langCode')
q = SubjectAreas.query(SubjectAreas.LangCode == langCode)
units = q.fetch(999)
countmap_other_language={}
for unit in units:
logging.info('QQQ: LangCode in clone: %s' % unit.LangCode)
if unit.LearningUnitID not in countmap_other_language:
logging.info('QQQ: LearningUnitID in clone: %s' % unit.LearningUnitID)
countmap_other_language[unit.LearningUnitID] = 1
q = SubjectAreas.query(SubjectAreas.LangCode == 'en')
units_en = q.fetch(999)
for unit2 in units_en:
if unit2.LearningUnitID not in countmap_other_language:
logging.info('QQQ: LearningUnitID to add in clone: %s' % unit2.LearningUnitID)
logging.info('QQQ: LangCode to add in clone: %s' % langCode)
n = SubjectAreas(LearningUnitID = unit2.LearningUnitID
, Name = unit2.Name
, LangCode = langCode
, Description = unit2.Description
, Status = 'Pending Translation'
)
n.put()
return self.redirect('/subjareas')
else:
return self.redirect('/subjareas')