def item_create(self, par, user):
if not ModelPermit(self.ITEM, user).can_add():
raise PermissionDenied, 'can not create %s' % model_to_name(
self.ITEM)
par = par or None
work = self.ITEM.objects.create(par_id=par)
return to_dict(work)
def dir_create(self, user, par=None):
if not ModelPermit(self.DIR, user).can_add():
raise PermissionDenied, 'not permit create %s' % model_to_name(
self.DIR)
if not par:
i = self.DIR.objects.create()
else:
i = self.DIR.objects.create(par_id=par)
return to_dict(i)
def item_del(self, rows, user):
""" 删除 dir 和 item """
for row in rows:
inst = from_dict(row)
if ModelPermit(inst, user).can_del():
inst.delete()
else:
raise PermissionDenied, 'can not delete %s' % model_to_name(
inst)
return {'status': 'success'}
def item_create(self, user, par=None):
if not ModelPermit(self.model, user).can_add():
raise PermissionDenied, 'not permit create %s' % model_to_name(
self.model)
par = from_dict(par, model=self.model)
if not par or not par.pk:
i = self.model.objects.create()
else:
i = self.model.objects.create(par=par)
return to_dict(i)
def items_paste(self, rows, par, user):
"""粘贴 dir 和 item """
if par:
par_inst = self.DIR.objects.get(pk=par)
else:
par_inst = None
for row in rows:
inst = from_dict(row)
if 'par' in ModelPermit(inst, user).changeable_fields():
inst.par = par_inst
inst.save()
else:
raise PermissionDenied, 'can not modify par of %s' % model_to_name(
inst)
return {'status': 'success'}
def dir_data(self, par, user):
par_permit = ModelPermit(self.DIR, user)
if not par_permit.readable_fields():
raise PermissionDenied, 'can not read %s' % model_to_name(self.DIR)
DIR = self.DIR
if self.ITEM:
item_perm = ModelPermit(self.ITEM, user)
if not item_perm.readable_fields():
raise PermissionDenied, 'can not read %s' % model_to_name(
self.ITEM)
ITEM = self.ITEM
if par:
query = DIR.objects.filter(par_id=par)
else:
query = DIR.objects.filter(par=None)
rows = [to_dict(idx) for idx in query]
parents = []
if par:
this_dir = DIR.objects.get(id=par)
parents.append(this_dir)
while this_dir.par:
parents.append(this_dir.par)
this_dir = this_dir.par
parents.reverse()
parents = [to_dict(idx) for idx in parents]
items = [] # 如果有item_model，才会去查询item项
if self.ITEM:
if par:
items = [
to_dict(item, include=item_perm.readable_fields())
for item in ITEM.objects.filter(par_id=par)
]
else:
items = [
to_dict(item, include=item_perm.readable_fields())
for item in ITEM.objects.filter(par=None)
]
return {'dirs': rows, 'parents': parents, 'items': items}