检查一个范围内的任何日期是否在另一个范围之间

Check if any date in a range is between another range

我有以下情况:

这是我的 views.py:

def home(request):

    date = datetime.date.today()
    start_week = date - datetime.timedelta(date.weekday() + 1)
    end_week = start_week + datetime.timedelta(6)
    week_tasks = Task.object.filter(owner=request.user, start_date__range=[start_week, end_week])
    context = {}
    context['week_tasks'] = week_tasks
    return render(request, 'home.html', context)

此视图检查 start_date (DateField) 是否在当前周的范围内。但是我在数据库中还有另一个字段,end_date,我想检查这个范围内的任何值是否在当前周。

查看示例: 假设当前周是第 17 天的那一周。以我目前的观点,只有 All Day EventConference 属于该周.我需要证明所有这些事件都属于一周。

Obs.: 我不能只检查 start_dateend_date 是否在一周内,因为我有 Long Event 的情况,从一周前开始到一周后结束。


正在工作:

views.py:

def home(request):

    date = datetime.date.today()
    if date.isoweekday() == 7:
        date = date + datetime.timedelta(1)
    start_week = date - datetime.timedelta(date.isoweekday())
    end_week = start_week + datetime.timedelta(6)
    week_tasks = Task.object.filter(owner=request.user).exclude(end_date__lt=start_week).exclude(start_date__gt=end_week)
    context = {}
    context['week_tasks'] = week_tasks
    return render(request, 'home.html', context)

周 window 定义为:week_start、week_end

任务定义为:task_start、task_end

任务与周重叠,如果:

task_start < week_end and task_end >= week_start