161 lines
7.4 KiB
Python
161 lines
7.4 KiB
Python
# -*- coding: utf-8 -*-
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from django.shortcuts import render, HttpResponseRedirect
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from django.http import Http404
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from django.db.models import Q
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# from datetime import datetime
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from django.utils import timezone
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from web.models import TbContent
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from web.add_function import *
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import pytz
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# Create your views here.
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def handler404(request, exception: str) -> render:
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""" Обработчик ошибки 404
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:param request: http-запрос
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:param exception: сообщение с причиной ошибки
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:return: response: http-ответ
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"""
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response = render(request, "404.html", {"MSG": exception})
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response.status_code = 404
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return response
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def handler500(request) -> render:
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""" Обработчик ошибки 500
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:param request:
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:return: response:
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"""
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response = render(request, "500.html", {})
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response.status_code = 500
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return response
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def index(request,
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ppage: int = 0) -> render:
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""" Главная страница
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:param request:
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:param ppage: текущая страница ленты
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:return: response:
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"""
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template = "index.jinja2" # шаблон
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to_template = {"COOKIES": check_cookies(request)}
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# query = Q(tdContentPublishDown__isnull=True)
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# query.add(Q(tdContentPublishDown__gt=timezone.now()), Q.OR)
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# query.add(Q(bContentPublish=True), Q.AND)
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# q_content = TbContent.objects.filter(query)[:5]
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query = "SELECT web_tbcontent.* FROM web_tbcontent " \
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"WHERE (web_tbcontent.tdContentPublishDown IS NULL" \
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" OR web_tbcontent.tdContentPublishDown > NOW())" \
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" AND web_tbcontent.bContentPublish " \
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"ORDER BY web_tbcontent.tdContentPublishUp DESC " \
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"LIMIT 7 OFFSET %d" % (int(ppage) * 7, )
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q_content = TbContent.objects.raw(query)
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q_tags = TbContent.objects.raw("SELECT DISTINCT tTotalInfo.*,"
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" IF (tPageInfo.NumInPage IS UNKNOWN, 0, tPageInfo.NumInPage) AS NumInPage "
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"FROM (SELECT DISTINCT taggit_tag.id, COUNT(tPage.id) AS NumInPage "
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" FROM taggit_taggeditem"
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" INNER JOIN taggit_tag"
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" ON taggit_taggeditem.tag_id = taggit_tag.id"
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" INNER JOIN (%s) tPage"
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" ON taggit_taggeditem.object_id = tPage.id"
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" GROUP BY taggit_tag.id) tPageInfo"
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" RIGHT OUTER JOIN (SELECT DISTINCT"
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" taggit_tag.*,"
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" COUNT(web_tbcontent.id) AS NumTotal"
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" FROM taggit_taggeditem"
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" INNER JOIN taggit_tag"
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" ON taggit_taggeditem.tag_id = taggit_tag.id"
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" INNER JOIN web_tbcontent"
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" ON taggit_taggeditem.object_id = web_tbcontent.id"
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" GROUP BY taggit_tag.id, taggit_tag.name, taggit_tag.slug) tTotalInfo"
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" ON tPageInfo.id = tTotalInfo.id"
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" GROUP BY tPageInfo.id, tPageInfo.NumInPage,"
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" tTotalInfo.id, tTotalInfo.NumTotal,"
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" tTotalInfo.name, tTotalInfo.slug "
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"ORDER BY tPageInfo.NumInPage DESC, tTotalInfo.name,"
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" tTotalInfo.NumTotal DESC" % (query,))
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to_template.update({"LENTA": q_content, "TAGS_IN_PAGE": q_tags})
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to_template.update({"PAGE_OF_LIST": int(ppage)})
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return render(request, template, to_template)
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def redirect_item(request,
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content_id: int = 0) -> render:
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""" Переадресация URL для обеспечения переходов из поисковиков по уже проиндексированным страницам
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:param request:
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:param point: str_id блока, в которой находится контент
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:param item: str_id страницы/категории, в которой находится контент
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:param content_id: id контента которую надо отобразить
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:return: response:
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"""
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return HttpResponseRedirect("/item/%d-" % int(content_id))
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def show_item(request,
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content_id: int = 0,
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ppage: int = 0) -> render:
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""" Формирование "ленты" о предприятии
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:param request:
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:param content_id: id контента которую надо отобразить
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:return: response:
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"""
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template = "item.jinja2" # шаблон
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to_template = {"COOKIES": check_cookies(request)}
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try:
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q_item = TbContent.objects.filter(id=int(content_id)).first()
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if not q_item.bContentPublish:
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raise Http404("Контент не опубликован")
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to_template.update({"ITEM": q_item})
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# query = Q(tdContentPublishDown__isnull=True)
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# query.add(Q(tdContentPublishDown__gt=timezone.now()), Q.OR)
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# query.add(Q(bContentPublish=True), Q.AND)
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# query.add(Q(tdContentPublishUp__lte=q_item.tdContentPublishUp), Q.AND)
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q_items_after = TbContent.objects.filter(
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Q(tdContentPublishDown__isnull=True) | Q(tdContentPublishDown__gt=timezone.now()),
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Q(bContentPublish=True),
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Q(tdContentPublishUp__lte=q_item.tdContentPublishUp)
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).order_by("-tdContentPublishUp", "id")[:4]
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q_items_before = TbContent.objects.filter(
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Q(tdContentPublishDown__isnull=True) | Q(tdContentPublishDown__gt=timezone.now()),
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bContentPublish=True,
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tdContentPublishUp__gt=q_item.tdContentPublishUp
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).order_by("tdContentPublishUp", "id")[:3]
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try:
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p = 0 if "p" not in request.GET else int(request.GET["p"])
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n = 0 if "n" not in request.GET else int(request.GET["n"])
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count = 0
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for i in q_items_before:
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count += 1
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if n-count < 1:
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i.pp = p - 1
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i.nn = n + 7 - count
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else:
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i.pp = p
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i.nn = n - count
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count = 0
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for i in q_items_after:
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if i.id != q_item.id:
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count += 1
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if n+count <= 7:
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i.pp = p
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i.nn = n + count
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else:
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i.pp = p + 1
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i.nn = n+count - 7
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to_template.update({"PER_PAGE": 7})
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to_template.update({"PAGE": p})
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except ValueError:
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to_template.update({"PAGE": 0})
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pass
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to_template.update({"PAGE_OF_LIST": int(ppage)})
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to_template.update({"ITEMS_AFTER": q_items_after})
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to_template.update({"ITEMS_BEFORE": q_items_before})
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return render(request, template, to_template)
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except (ValueError, AttributeError, TbContent.DoesNotExist, TbContent.MultipleObjectsReturned):
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raise Http404("Контента с таким id не существует")
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