我有一个表单,在提交前必须检查一些事情以确保数据有效。在进行一些更改(从基于类的视图到基于函数的更改)之前,一切正常,但是当我重新测试所有内容时,我注意到一个非常重要的部分无法正常工作,这就是数字验证。
以前曾经发生过的情况是,如果输入了数据库中没有的数字,则会在顶部向用户显示错误。如果他们输入的是数据库中的数字,但不是正确的“团队”,那么它将显示错误。我在forms.py中处理此问题,并且因为它以前曾经工作过而完全忘记了它,所以我开始使用的所有东西都在views.py中。现在,尽管它实际上不会提交表单(因此仍在通过逻辑操作),但它不会显示任何错误。它将仅重新呈现页面,但为空白,除非输入的数据正确,否则将不提交任何内容。处理此问题的逻辑是clean_employee_number。
我不确定是否在未注意到的情况下从html中删除了某些内容,但是我一直在试图找出可能导致其停止工作的原因,并且我无法弄清楚。我也不确定是否可能是由于小部件造成的,因为我之后进行了更改(这是一个小部件,因为employee_number与存储在另一个称为Salesman的模型中的员工的“ id”相关联)。 >
models.py
class EmployeeWorkAreaLog(TimeStampedModel, SoftDeleteModel, models.Model): employee_number = models.ForeignKey(Salesman, on_delete=models.SET_NULL, help_text="Employee #", null=True, blank=False) work_area = models.ForeignKey(WorkArea, on_delete=models.SET_NULL, null=True, blank=False, help_text="Work Area", related_name="work_area") station_number = models.ForeignKey(Station, on_delete=models.SET_NULL, null=True, help_text="Station", related_name="stations", blank=True)
forms.py
class WarehouseForm(AppsModelForm): class Meta: model = EmployeeWorkAreaLog widgets = { 'employee_number': ForeignKeyRawIdWidget(EmployeeWorkAreaLog._meta.get_field('employee_number').remote_field, site, attrs={'id':'employee_number_field'}), } fields = ('employee_number', 'work_area', 'station_number', 'edited_timestamp') def clean_employee_number(self): employee_number = self.cleaned_data.get('employee_number') if employee_number is None: raise forms.ValidationError("Must enter emp #") elif employee_number.team is None: raise forms.ValidationError("Not valid") elif employee_number.team not in ('WF', 'WP', 'OM') or employee_number.employee_status not in 'A': raise forms.ValidationError("Employee not valid, please contact manager")
views.py
def enter_exit_area(request): form = WarehouseForm(request.POST or None) enter_without_exit = None exit_without_enter = None if request.method == 'POST': temp = request.POST.copy() form = WarehouseForm(temp) if form.is_valid(): emp_num = form.cleaned_data['employee_number'] area = form.cleaned_data['work_area'] station = form.cleaned_data['station_number'] edited_time = form.cleaned_data['edited_timestamp'] if 'enter_area' in request.POST: new_entry = form.save() EmployeeWorkAreaLog.objects.filter((Q(employee_number=emp_num) & Q(work_area=area) & Q(time_out__isnull=True) & Q(time_in__isnull=True)) & (Q(station_number=station) | Q(station_number__isnull=True))).update(time_in=datetime.now()) # If employee has an entry without an exit and attempts to enter a new area, mark as an exception 'N' enters_without_exits = EmployeeWorkAreaLog.objects.filter(Q(employee_number=emp_num) & Q(time_out__isnull=True) & Q(time_exceptions="")).exclude(pk=new_entry.pk).order_by("-time_in") if len(enters_without_exits) > 0: enter_without_exit = enters_without_exits[0] enters_without_exits.update(time_exceptions='N') message = 'You have entered %(area)s' % {'area': area} if station is not None: message += ': %(station)s' % {'station': station} messages.success(request, message) elif 'leave_area' in request.POST: # Something similar to above form = WarehouseForm() return render(request, "operations/enter_exit_area.html", { 'form': form, 'enter_without_exit': enter_without_exit, 'exit_without_enter': exit_without_enter, })
enter_exit_area.html
{% extends "base.html" %}
{% block main %}
<form id="warehouseForm" action="" method="POST" novalidate >
{% csrf_token %}
{{ form.non_field_errors }}
{{ form.source.errors }}
{{ form.source }}
<div>
<div>
<div>{{ form.employee_number.errors.as_text }}</div>
<label>Employee #</label>
{{ form.employee_number }}
</div>
<div>
<div>{{ form.work_area.errors.as_text }}</div>
<label>Work Area</label>
{{ form.work_area }}
</div>
<div>{{ form.station_number.errors.as_text }}</div>
<div>
<label>Station</label>
{{ form.station_number }}
</div>
</div>
<div>
<div>
<button type="submit" name="enter_area" value="Enter">Enter Area</button>
<button type="submit" name="leave_area" value="Leave">Leave Area</button>
</div>
</div>
</form>
我有一个表单,在提交前必须检查一些事情以确保数据有效。在进行一些更改(从基于类的视图到基于函数的更改)之前,一切都正常,但是...
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