如何在django模型中创建每周的日期记录摘要

from django.db import models

class WeeklySummary(models.Model):
    start_date = models.DateField()
    end_date = models.DateField()
    summary = models.TextField()

from django.shortcuts import render
from .models import WeeklySummary

def weekly_summary_view(request):
    summaries = WeeklySummary.objects.all()
    return render(request, 'weekly_summary.html', {'summaries': summaries})

{% for summary in summaries %}
    <h3>{{ summary.start_date }} - {{ summary.end_date }}</h3>
    <p>{{ summary.summary }}</p>
{% endfor %}