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Python_WEB/Try_Django

[Django]Published and Draft Posts

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CodingEntrepreneurs Django 강의 정리

파이프기호>

1. 여러 필터를 지정

2. 하나 이상의 필터를 통해 블록의 내용을 필터링

 

forms>

from django import forms

from .models import BlogPost


class BlogPostForm(forms.Form):
    title = forms.CharField()
    slug = forms.SlugField()
    content = forms.CharField(widget=forms.Textarea)


class BlogPostModelForm(forms.ModelForm):
    # title = forms.CharField()

    class Meta:
        model = BlogPost
        fields = ["title", "slug", "content", "publish_date"]

    def clean_title(self, *args, **kwargs):
        # print(dir(self))
        instance = self.instance
        print(instance)
        title = self.cleaned_data.get("title")
        qs = BlogPost.objects.filter(title=title)

        if instance is not None:
            qs = qs.exclude(pk=instance.pk)  # id=instance.id

        if qs.exists():
            raise forms.ValidationError(
                "This title has already been used. Please try again."
            )

        return title

 

list-inline.html>

<div class="col-12 col-md-10 mb-3 mx-auto">
    <div class='card {% if not blog_post.publish_date %} bg-dark text-light {% endif %}'>
        <div class='card-body'>
            <h5 class="card-title">{{ blog_post.title }}</h5>
            <p class="cart-text">
                <small class="text-muted">{{ blog_post.publish_date }}</small>
                {% if truncate %}
                {{ blog_post.content|linebreaks|truncatewords:30 }}
                {% else %}
                {{ blog_post.content|linebreaks }}
                {% endif %}
            </p>
            {% if not detail %}
            {% if not blog_post.publish_date %} Draft {% endif %}
            <a href="{{ blog_post.get_absolute_url }}">View</a>
            {% endif %}
        </div>
    </div>
</div>

 

views>

from django.contrib.auth.decorators import login_required
from django.contrib.admin.views.decorators import staff_member_required
from django.http import Http404
from django.shortcuts import render, get_object_or_404, redirect

# Create your views here.
from .forms import BlogPostModelForm
from .models import BlogPost

# CRUD

# GET -> Retrieve / List

# POST -> Create / Update / DELETE

# Create Retrieve Update Delete


def blog_post_list_view(request):
    # list out objects
    # could be search
    qs = BlogPost.objects.all().published()  # queryset -> list of python object
    if request.user.is_authenticated:
        my_qs = BlogPost.objects.filter(user=request.user)
        qs = (qs | my_qs).distinct()
    # qs = BlogPost.objects.all()  # queryset -> list of python object
    template_name = "blog/list.html"
    context = {"object_list": qs}
    return render(request, template_name, context)


# @login_required
@staff_member_required
def blog_post_create_view(request):
    # create objects
    # ? use a form
    # request.user -> return something
    form = BlogPostModelForm(request.POST or None)
    if form.is_valid():
        obj = form.save(commit=False)
        obj.user = request.user
        obj.save()
        form = BlogPostModelForm()
    template_name = "form.html"
    context = {"form": form}
    return render(request, template_name, context)


def blog_post_detail_view(request, slug):
    # 1 object -> detail view
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog/detail.html"
    context = {"object": obj}
    return render(request, template_name, context)


@staff_member_required
def blog_post_update_view(request, slug):
    obj = get_object_or_404(BlogPost, slug=slug)
    form = BlogPostModelForm(request.POST or None, instance=obj)
    if form.is_valid():
        form.save()
    template_name = "form.html"
    context = {"title": f"Update {obj.title}", "form": form}
    return render(request, template_name, context)


@staff_member_required
def blog_post_delete_view(request, slug):
    obj = get_object_or_404(BlogPost, slug=slug)
    template_name = "blog/delete.html"
    if request.method == "POST":
        obj.delete()
        return redirect("/blog")
    context = {"object": obj}
    return render(request, template_name, context)
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