django-help

models.py ->
from django.db import models
from django.urls import reverse
# Create your models here.

class MangaList(models.Model):
    STATUS_CHOICES = (
            ('jap', 'Japanese'),
            ('rus', 'Russian'),
            ('eng', 'English')
        )

    manga_title = models.CharField(max_length= 250)
    manga_author = models.CharField(max_length= 100)
    description = models.TextField()
    slug = models.SlugField(max_length= 250, unique=True)
    language = models.CharField(max_length=10, choices=STATUS_CHOICES)
    publish = models.DateTimeField(auto_now_add=True)

    image = models.ImageField(upload_to='images/%Y/', null=True, blank=True)

    def get_absolute_url(self):
        return reverse('mangapolls:manga_detail', args=[self.slug])

    def __str__(self):
        return self.manga_title

class MangaImages(models.Model):
    mangaid = models.ForeignKey(MangaList, on_delete=models.CASCADE, related_name='manga_images')
    images = models.ImageField(upload_to='images/manga', null=True, blank=True)

    def get_absolute_url(self):
        return reverse('mangapolls:manga_watch', args=[self.slug])

    def __str__(self):
        return '{}'.format(self.mangaid)


---------------
views.py >

from django.shortcuts import render, get_object_or_404
from django.http import HttpResponse
from .models import MangaList, MangaImages
# Create your views here.

def mangalist(request):
    manga_list = MangaList.objects.all()
    a = "text"
    return render(request, 'mangapolls/post/list.html', {'output':manga_list, 'text':a})

def manga_detail(request, post):
    detail = get_object_or_404(MangaList, slug=post)
    manimg = MangaImages.objects.filter(mangaid=detail.id)
    return render(request, 'mangapolls/post/detail.html', {'manimg':manimg[0], 'detail':detail})

def manga_watch(request, post):
    detail = get_object_or_404(MangaList, slug=post)
    manga_images = MangaImages.objects.filter(mangaid=detail.id)
    return render(request, 'mangapolls/post/manga.html', {'manga': manga_images})
--------------
urls.py >

from django.urls import path
from . import views

app_name = "manga_polls"

urlpatterns = [
		path('', views.mangalist, name='manga_polls'),
		path('<slug:post>/', views.manga_detail, name='manga_detail'),
		path('<slug:post>/watch/', views.manga_watch, name='manga_watch'),
]
----------------------

detail.html >

{% extends 'mangapolls/base.html' %}
{% load thumbnail %}

{% block title %} Manga detail{% endblock %}

{% block content %}
        <p>Id: {{detail.id}}.
        Ttitle: {{detail.manga_title}}.</p>
        <p>Description: {{detail.description}}.</p>
        <!-- <a href="{{ manimg.mangaid.get_absolute_url}}">text</a> -->
        <img src="{{ detail.image.url }}">
{% endblock %}