#coding=utf-8
'''
'''
import json
from django.db import transaction
import common.models as cm
import common.error_info as ce
import common.common_functions as ccf
import common.common_control as ccc

def get_role_list(query=None,relations=None,page=None,page_size=None):
    """
    """
    qset = cm.Role.objects.all()
    if query and query.get("platform"):
        qset = qset.filter(platform=query.get("platform"))
    total,qset = ccc.get_page_qset(qset,page,page_size)
    roles = qset.values("id","name","desc","ctime","platform")
    if relations:
        for i,role in enumerate(roles):
            permissions = list(qset[i].permission.all().values_list("name",flat=True))
            role.update({"permissions":",".join(permissions)})
    return total,list(roles)


def get_role_info(*ids):
    """
    """
    qset = cm.Role.objects.filter(id__in=ids)
    roles = list(qset.values())
    for i,role in enumerate(roles):
        role["permission_addroles"] = json.loads(role["permission_addroles"])
        permissions = list(qset[i].permission.all().values("name","id"))
        role.update({"permissions":permissions})
    return roles


def get_all_role_list():
    qset = cm.Role.objects.all()
    roles = qset.values("id","name","desc","ctime","platform")
    return list(roles)


def add_role(**kwargs):
    """
    """
    need_params = ["name","platform","permissions"]
    mse = ccf.check_params(*need_params,**kwargs)
    if mse:
        raise ce.TipException(mse)
    need_params.extend(["cperson","desc"])
    try:
        permission_addroles = kwargs.pop("permission_addroles")
        permissions = kwargs.pop("permissions")
    except KeyError:
        permission_addroles = None
        permissions = None

    cvals = ccf.get_need_params(*need_params,**kwargs)
    with transaction.atomic():
        robj = cm.Role.objects.create(**cvals)
        #添加permission
        robj.permission_addroles = json.dumps(permission_addroles)
        robj.permission.add(*permissions)
        robj.save()


def update_role(**kwargs):
    """
    """
    need_params = ["id"]
    mse = ccf.check_params(*need_params,**kwargs)
    if mse:
        raise ce.TipException(mse)
    id = kwargs.get("id")
    uvals = {}
    if "name" in kwargs:
        uvals["name"] = kwargs.get("name")
    if "desc" in kwargs:
        uvals["desc"] = kwargs.get("desc")
    if "permission_addroles" in kwargs:
        uvals["permission_addroles"] = json.dumps(kwargs.get("permission_addroles"))
    with transaction.atomic():
        robj = cm.Role.objects.filter(id=id).first()
        cm.Role.objects.filter(id=id).update(**uvals)
        if robj:
            robj.permission.remove()
            robj.permission.add(*kwargs.get("permissions"))


def delete_role(**kwargs):
    """
    """
    need_params = ["id"]
    mse = ccf.check_params(*need_params,**kwargs)
    if mse:
        raise ce.TipException(mse)
    ids = str(kwargs.get("id")).split(",")
    cm.Role.objects.filter(id__in=ids).delete()