Commit b348f5d9 by Piotr Mitros

Cache toolbox disabled

parent 98f5a79d
...@@ -14,12 +14,12 @@ ASSUMPTIONS: modules have unique IDs, even across different module_types ...@@ -14,12 +14,12 @@ ASSUMPTIONS: modules have unique IDs, even across different module_types
""" """
from django.db import models from django.db import models
from django.db.models.signals import post_save, post_delete from django.db.models.signals import post_save, post_delete
from django.core.cache import cache #from django.core.cache import cache
from django.contrib.auth.models import User from django.contrib.auth.models import User
from cache_toolbox import cache_model, cache_relation #from cache_toolbox import cache_model, cache_relation
CACHE_TIMEOUT = 60 * 60 * 4 # Set the cache timeout to be four hours #CACHE_TIMEOUT = 60 * 60 * 4 # Set the cache timeout to be four hours
class StudentModule(models.Model): class StudentModule(models.Model):
# For a homework problem, contains a JSON # For a homework problem, contains a JSON
...@@ -58,35 +58,35 @@ class StudentModule(models.Model): ...@@ -58,35 +58,35 @@ class StudentModule(models.Model):
def __unicode__(self): def __unicode__(self):
return self.module_type+'/'+self.student.username+"/"+self.module_id+'/'+str(self.state)[:20] return self.module_type+'/'+self.student.username+"/"+self.module_id+'/'+str(self.state)[:20]
@classmethod # @classmethod
def get_with_caching(cls, student, module_id): # def get_with_caching(cls, student, module_id):
k = cls.key_for(student, module_id) # k = cls.key_for(student, module_id)
student_module = cache.get(k) # student_module = cache.get(k)
if student_module is None: # if student_module is None:
student_module = StudentModule.objects.filter(student=student, # student_module = StudentModule.objects.filter(student=student,
module_id=module_id)[0] # module_id=module_id)[0]
# It's possible it really doesn't exist... # # It's possible it really doesn't exist...
if student_module is not None: # if student_module is not None:
cache.set(k, student_module, CACHE_TIMEOUT) # cache.set(k, student_module, CACHE_TIMEOUT)
return student_module # return student_module
@classmethod @classmethod
def key_for(cls, student, module_id): def key_for(cls, student, module_id):
return "StudentModule-student_id:{0};module_id:{1}".format(student.id, module_id) return "StudentModule-student_id:{0};module_id:{1}".format(student.id, module_id)
def clear_cache_by_student_and_module_id(sender, instance, *args, **kwargs): # def clear_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
k = sender.key_for(instance.student, instance.module_id) # k = sender.key_for(instance.student, instance.module_id)
cache.delete(k) # cache.delete(k)
def update_cache_by_student_and_module_id(sender, instance, *args, **kwargs): # def update_cache_by_student_and_module_id(sender, instance, *args, **kwargs):
k = sender.key_for(instance.student, instance.module_id) # k = sender.key_for(instance.student, instance.module_id)
cache.set(k, instance, CACHE_TIMEOUT) # cache.set(k, instance, CACHE_TIMEOUT)
post_save.connect(update_cache_by_student_and_module_id, sender=StudentModule, weak=False) #post_save.connect(update_cache_by_student_and_module_id, sender=StudentModule, weak=False)
post_delete.connect(clear_cache_by_student_and_module_id, sender=StudentModule, weak=False) #post_delete.connect(clear_cache_by_student_and_module_id, sender=StudentModule, weak=False)
cache_model(StudentModule) #cache_model(StudentModule)
...@@ -13,7 +13,7 @@ import uuid ...@@ -13,7 +13,7 @@ import uuid
from django.db import models from django.db import models
from django.contrib.auth.models import User from django.contrib.auth.models import User
from cache_toolbox import cache_model, cache_relation #from cache_toolbox import cache_model, cache_relation
class UserProfile(models.Model): class UserProfile(models.Model):
class Meta: class Meta:
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment