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pacnpal
351
apps/parks/forms.py
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351
apps/parks/forms.py
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from django import forms
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from decimal import Decimal, InvalidOperation, ROUND_DOWN
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from autocomplete.core import register
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from autocomplete.shortcuts import ModelAutocomplete
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from autocomplete.widgets import AutocompleteWidget
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from .models import Park
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from .models.location import ParkLocation
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@register
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class ParkAutocomplete(ModelAutocomplete):
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"""Autocomplete for searching parks.
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Features:
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- Name-based search with partial matching
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- Prefetches related owner data
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- Applies standard park queryset filtering
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- Includes park status and location in results
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"""
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model = Park
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search_attrs = ["name"] # We'll match on park names
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class ParkSearchForm(forms.Form):
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"""Form for searching parks with autocomplete."""
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park = forms.ModelChoiceField(
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queryset=Park.objects.all(),
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required=False,
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widget=AutocompleteWidget(
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ac_class=ParkAutocomplete,
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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"placeholder": "Search parks...",
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},
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),
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)
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class ParkForm(forms.ModelForm):
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"""Form for creating and updating Park objects with location support"""
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# Location fields
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latitude = forms.DecimalField(
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max_digits=9,
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decimal_places=6,
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required=False,
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widget=forms.HiddenInput(),
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)
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longitude = forms.DecimalField(
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max_digits=10,
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decimal_places=6,
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required=False,
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widget=forms.HiddenInput(),
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)
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street_address = forms.CharField(
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max_length=255,
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required=False,
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widget=forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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)
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city = forms.CharField(
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max_length=255,
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required=False,
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widget=forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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)
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state = forms.CharField(
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max_length=255,
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required=False,
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widget=forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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)
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country = forms.CharField(
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max_length=255,
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required=False,
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widget=forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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)
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postal_code = forms.CharField(
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max_length=20,
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required=False,
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widget=forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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)
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class Meta:
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model = Park
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fields = [
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"name",
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"description",
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"operator",
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"property_owner",
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"status",
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"opening_date",
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"closing_date",
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"operating_season",
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"size_acres",
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"website",
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# Location fields handled separately
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"latitude",
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"longitude",
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"street_address",
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"city",
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"state",
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"country",
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"postal_code",
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]
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widgets = {
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"name": forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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"description": forms.Textarea(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-textarea "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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"rows": 2,
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}
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),
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"operator": forms.Select(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-select "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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"property_owner": forms.Select(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-select "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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"status": forms.Select(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-select "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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)
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}
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),
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"opening_date": forms.DateInput(
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attrs={
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"type": "date",
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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}
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),
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"closing_date": forms.DateInput(
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attrs={
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"type": "date",
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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}
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),
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"operating_season": forms.TextInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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"placeholder": "e.g., Year-round, Summer only, etc.",
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}
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),
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"size_acres": forms.NumberInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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"step": "0.01",
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"min": "0",
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}
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),
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"website": forms.URLInput(
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attrs={
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"class": (
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"w-full border-gray-300 rounded-lg form-input "
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"dark:border-gray-600 dark:bg-gray-700 dark:text-white"
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),
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"placeholder": "https://example.com",
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}
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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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# Pre-fill location fields if editing existing park
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if self.instance and self.instance.pk and self.instance.location.exists():
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location = self.instance.location.first()
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self.fields["latitude"].initial = location.latitude
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self.fields["longitude"].initial = location.longitude
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self.fields["street_address"].initial = location.street_address
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self.fields["city"].initial = location.city
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self.fields["state"].initial = location.state
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self.fields["country"].initial = location.country
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self.fields["postal_code"].initial = location.postal_code
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def clean_latitude(self):
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latitude = self.cleaned_data.get("latitude")
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if latitude is not None:
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try:
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# Convert to Decimal for precise handling
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latitude = Decimal(str(latitude))
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# Round to exactly 6 decimal places
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latitude = latitude.quantize(Decimal("0.000001"), rounding=ROUND_DOWN)
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# Validate range
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if latitude < -90 or latitude > 90:
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raise forms.ValidationError(
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"Latitude must be between -90 and 90 degrees."
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)
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# Convert to string to preserve exact decimal places
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return str(latitude)
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except (InvalidOperation, TypeError) as e:
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raise forms.ValidationError("Invalid latitude value.") from e
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return latitude
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def clean_longitude(self):
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longitude = self.cleaned_data.get("longitude")
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if longitude is not None:
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try:
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# Convert to Decimal for precise handling
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longitude = Decimal(str(longitude))
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# Round to exactly 6 decimal places
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longitude = longitude.quantize(Decimal("0.000001"), rounding=ROUND_DOWN)
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# Validate range
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if longitude < -180 or longitude > 180:
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raise forms.ValidationError(
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"Longitude must be between -180 and 180 degrees."
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)
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# Convert to string to preserve exact decimal places
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return str(longitude)
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except (InvalidOperation, TypeError) as e:
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raise forms.ValidationError("Invalid longitude value.") from e
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return longitude
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def save(self, commit=True):
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park = super().save(commit=False)
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# Prepare location data
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location_data = {
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"name": park.name,
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"location_type": "park",
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"latitude": self.cleaned_data.get("latitude"),
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"longitude": self.cleaned_data.get("longitude"),
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"street_address": self.cleaned_data.get("street_address"),
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"city": self.cleaned_data.get("city"),
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"state": self.cleaned_data.get("state"),
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"country": self.cleaned_data.get("country"),
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"postal_code": self.cleaned_data.get("postal_code"),
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}
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# Handle location: update if exists, create if not
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try:
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park_location = park.location
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# Update existing location
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for key, value in location_data.items():
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if key in ["latitude", "longitude"] and value:
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continue # Handle coordinates separately
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if hasattr(park_location, key):
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setattr(park_location, key, value)
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# Handle coordinates if provided
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if "latitude" in location_data and "longitude" in location_data:
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if location_data["latitude"] and location_data["longitude"]:
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park_location.set_coordinates(
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float(location_data["latitude"]),
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float(location_data["longitude"]),
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)
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park_location.save()
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except ParkLocation.DoesNotExist:
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# Create new ParkLocation
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coordinates_data = {}
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if "latitude" in location_data and "longitude" in location_data:
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if location_data["latitude"] and location_data["longitude"]:
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coordinates_data = {
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"latitude": float(location_data["latitude"]),
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"longitude": float(location_data["longitude"]),
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}
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# Remove coordinate fields from location_data for creation
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creation_data = {
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k: v
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for k, v in location_data.items()
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if k not in ["latitude", "longitude"]
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}
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creation_data.setdefault("country", "USA")
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park_location = ParkLocation.objects.create(park=park, **creation_data)
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if coordinates_data:
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park_location.set_coordinates(
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coordinates_data["latitude"], coordinates_data["longitude"]
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)
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park_location.save()
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if commit:
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park.save()
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return park
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