def get_object(self, material_id, version='', request=None):
""" Customized get_object() function, used for Material objects
which will be get by ID and version.
"""
try:
args = {'material_id':material_id}
# get latest or specific version
object = self.model.objects
if version:
args['version'] = version
object = object.get(**args)
else:
object = models.getLatestMaterial(material_id)
return object
except:
raise404(request, 404)
def getSimilarByHaystack(material_id, version):
"""Return list of similar materials using Haystack"""
if not version:
material = models.getLatestMaterial(material_id)
else:
material = models.Material.objects.filter(
material_id = material_id,
version = version)[0]
similar = SearchQuerySet().models(models.Material).more_like_this(material)[:10]
result = []
for item in similar:
item_dict = {}
item_dict['material_id'] = item.material_id
item_dict['title'] = item.title
item_dict['version'] = item.version
item_dict['material_type'] = item.material_type
item_dict['modified'] = item.modified
result.append(item_dict)
return result