#-*-coding:utf-8 -*-
import re
import collections
import common.models as cm

def get_permission_list(role_id=None,platform=None):
    """
    """
    if role_id:
        qset = cm.Role.objects.filter(id=role_id).first().permission.all()
    else:
        qset = cm.Permission.objects.all()
    if platform:
        qset = qset.filter(platform__icontains=platform)
    permissions = format_permission_tree(qset)
    return permissions

def get_permission_tree(pobj,data=None):
    data = data if data else []
    childrenset = cm.Permission.objects.filter(pid=pobj.id)
    for cdobj in childrenset:
        data.append({"id":cdobj.id,"name":cdobj.name,"codename":cdobj.codename,"children":get_permission_tree(cdobj)})
    return data


def format_permission_tree(qset):
    """暂时写死待完善....
    """
    ptrees = []
    toppers = qset.filter(pid__isnull=True)
    for topobj in toppers:
        ptree = {"id":topobj.id,"name":topobj.name,"codename":topobj.codename}
        ptree["children"] = get_permission_tree(topobj)
        ptrees.append(ptree)
    return ptrees