newmediamonitoring/polls/views/message.py

from django.shortcuts import render
from django.http import HttpResponse, JsonResponse
from django.views.decorators.csrf import csrf_exempt
import datetime

from polls.decorators import polls_login_required
from django.core.exceptions import ObjectDoesNotExist
from polls.models import Message, TaskRecord
from dashboard.models import Userprofile


@csrf_exempt
@polls_login_required
def last_messages(request):
    if request.method == 'POST':
        return HttpResponse(status=405)
    id = request.user.id
    group_id = request.GET.get('group_id')
    messages = Message.objects.filter(send_to_id=group_id)[:100]
    results = []
    for o in messages:
        result = dict()
        result['id'] = str(o.id)
        result['type'] = o.type
        profile = Userprofile.objects.filter(user_id=o.send_from_id).first()
        result['user_name'] = profile.name
        result['content'] = o.content
        result['page_title'] = o.page_title
        result['page_description'] = o.page_description
        result['page_image'] = o.page_image
        result['url'] = o.url
        result['file_title'] = o.file_title
        result['file'] = request.build_absolute_uri(
            o.file.uri) if o.file else ''
        result['image_title'] = o.image_title
        result['picture'] = request.build_absolute_uri(
            o.picture.uri) if o.picture else ''
        result['added'] = o.added.strftime("%Y-%m-%d %H:%M:%S")
        results.append(result)
    return JsonResponse({'status': 'success', 'message': results}, safe=False)


@csrf_exempt
@polls_login_required
def send_text_message(request):
    if request.method == 'GET':
        return HttpResponse(status=405)
    user = request.user
    group_id = request.POST.get('group_id')
    if not group_id:
        return JsonResponse({'status': 'error', 'message': '参数错误'})
    content = request.POST.get('content')
    if not content:
        return JsonResponse({'status': 'error', 'message': '内容不能为空'})

    normalMessage = Message.objects.create(
        type=0, send_from_id=user.id, send_to_id=group_id, content=content)
    return JsonResponse({'status': 'success'})


@csrf_exempt
@polls_login_required
def is_read_message(request):
    if request.method == 'POST':
        return HttpResponse(status=405)
    id = request.user.id
    message_id = request.GET.get('message_id')
    if not message_id:
        return JsonResponse({'status': 'success', 'message': False}, safe=False)

    is_exists = TaskRecord.objects.filter(
        task__message__id=message_id).exists()
    return JsonResponse({'status': 'success', 'message': is_exists}, safe=False)


@csrf_exempt
@polls_login_required
def read_message(request):
    if request.method == 'GET':
        return HttpResponse(status=405)
    user = request.user
    message_id = request.POST.get('message_id')
    if not message_id:
        return JsonResponse({'status': 'success', 'message': False}, safe=False)
    message = Message.objects.get(id=message_id)
    obj, created = TaskRecord.objects.get_or_create(user=user, task=message.task)
    return JsonResponse({'status': 'success', 'message': True}, safe=False)