# -*- coding: utf-8 -*-
from __future__ import unicode_literals

from django.shortcuts import render
# Create your views here.
#渲染主页面
from post.models import Post
from django.core.paginator import Paginator
import math

def queryAll(request,num=1):
    num = int(num)

    #获取所有帖子信息
    postList = Post.objects.all().order_by('-created')

    #创建分页器对象
    pageObj = Paginator(postList,1)

    #获取当前页的数据
    perPageList = pageObj.page(num)


    #生成页码数列表
    # 每页开始页码
    begin = (num - int(math.ceil(10.0 / 2)))
    if begin < 1:
        begin = 1

    # 每页结束页码
    end = begin + 9
    if end > pageObj.num_pages:
        end = pageObj.num_pages

    if end <= 10:
        begin = 1
    else:
        begin = end - 9

    pageList = range(begin, end + 1)


    return render(request,'index.html',{'postList':perPageList,'pageList':pageList,'currentNum':num})

#阅读全文功能
def detail(request,postid):
    postid = int(postid)

    #根据postid查询帖子的详情信息
    post = Post.objects.get(id=postid)

    return render(request,'detail.html',{'post':post})
#根据类别id查询所有帖子
def queryPostByCid(request,cid):

    postList = Post.objects.filter(category_id=cid)
    # Post.objects.filter(category__id=cid)

    return render(request,'article.html',{'postList':postList})

#根据发帖时间查询所有帖子
def queryPostByCreated(request,year,month):

    postList = Post.objects.filter(created__year=year,created__month=month)
    return render(request,'article.html',{'postList':postList})