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								wells/forms.py
									
										
									
									
									
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										155
									
								
								wells/forms.py
									
										
									
									
									
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from django import forms
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from django.contrib.auth import get_user_model
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from django.core.exceptions import ValidationError
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from .models import Well, WaterMeterManufacturer
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from locations.models import Affairs, County, Broker
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class WaterMeterManufacturerForm(forms.ModelForm):
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    """فرم برای افزودن شرکت سازنده کنتور آب جدید"""
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    class Meta:
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        model = WaterMeterManufacturer
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        fields = ['name']
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        widgets = {
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            'name': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'نام شرکت سازنده'
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            }),
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        }
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class WellForm(forms.ModelForm):
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    """فرم برای ایجاد و ویرایش چاه"""
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    # فیلد جدید برای افزودن شرکت سازنده جدید
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    new_manufacturer = forms.CharField(
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        required=False,
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        widget=forms.TextInput(attrs={
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            'class': 'form-control',
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            'placeholder': 'شرکت سازنده جدید',
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            'style': 'display: none;'  # پیشفرض مخفی
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        }),
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        label='شرکت سازنده جدید'
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    )
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    class Meta:
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        model = Well
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        fields = [
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            'representative',
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            'water_subscription_number',
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            'electricity_subscription_number',
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            'water_meter_serial_number',
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            'water_meter_old_serial_number',
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            'water_meter_manufacturer',
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            'utm_x',
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            'utm_y',
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            'utm_zone',
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            'utm_hemisphere',
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            'well_power',
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            'reference_letter_number',
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            'reference_letter_date',
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            'representative_letter_file',
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            # affairs, county, broker will be auto-filled from user profile
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        ]
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        widgets = {
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            'representative': forms.Select(attrs={
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                'class': 'form-select',
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            }),
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            'water_subscription_number': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'شماره اشتراک آب',
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                'required': True
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            }),
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            'electricity_subscription_number': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'شماره اشتراک برق'
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            }),
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            'water_meter_serial_number': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'سریال کنتور آب'
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            }),
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            'water_meter_old_serial_number': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'سریال کنتور قدیمی آب'
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            }),
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            'water_meter_manufacturer': forms.Select(attrs={
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                'class': 'form-select',
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                'id': 'id_water_meter_manufacturer'
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            }),
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            'utm_x': forms.NumberInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'X UTM',
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                'step': '0.000001'
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            }),
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            'utm_y': forms.NumberInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'Y UTM',
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                'step': '0.000001'
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            }),
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            'utm_zone': forms.NumberInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'زون UTM (پیشفرض: 40)',
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                'min': '1',
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                'max': '60'
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            }),
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            'utm_hemisphere': forms.Select(attrs={
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                'class': 'form-select'
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            }),
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            'well_power': forms.NumberInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'قدرت چاه',
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                'min': '0'
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            }),
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            'reference_letter_number': forms.TextInput(attrs={
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                'class': 'form-control',
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                'placeholder': 'شماره معرفی نامه'
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            }),
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            'reference_letter_date': forms.DateInput(attrs={
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                'class': 'form-control',
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                'type': 'date'
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            }),
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            'representative_letter_file': forms.FileInput(attrs={
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                'class': 'form-control',
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                'accept': '.pdf,.doc,.docx,.jpg,.jpeg,.png'
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            }),
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        }
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    def __init__(self, *args, **kwargs):
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        super().__init__(*args, **kwargs)
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        # تنظیم querysetها
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        self.fields['representative'].queryset = get_user_model().objects.all()
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        self.fields['water_meter_manufacturer'].queryset = WaterMeterManufacturer.objects.all()
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        # اضافه کردن گزینه خالی
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        self.fields['representative'].empty_label = "انتخاب نماینده"
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        self.fields['water_meter_manufacturer'].empty_label = "انتخاب شرکت سازنده"
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    def clean(self):
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        cleaned_data = super().clean()
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        new_manufacturer = cleaned_data.get('new_manufacturer')
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        manufacturer = cleaned_data.get('water_meter_manufacturer')
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        # اگر شرکت سازنده جدید وارد شده، آن را ایجاد کن
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        if new_manufacturer and new_manufacturer.strip():
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            try:
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                manufacturer_obj, created = WaterMeterManufacturer.objects.get_or_create(
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                    name=new_manufacturer.strip()
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                )
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                cleaned_data['water_meter_manufacturer'] = manufacturer_obj
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            except Exception as e:
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                raise forms.ValidationError(f'خطا در ایجاد شرکت سازنده: {str(e)}')
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        return cleaned_data
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    def clean_water_subscription_number(self):
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        water_subscription_number = self.cleaned_data.get('water_subscription_number', '')
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        # چک کردن تکراری نبودن شماره اشتراک آب (فقط برای ایجاد)
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        if water_subscription_number and not self.instance.pk:
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            if Well.objects.filter(water_subscription_number=water_subscription_number).exists():
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                raise forms.ValidationError('شماره اشتراک آب قبلاً ثبت شده است.')
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        return water_subscription_number
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