Tutorial Upload

Author: mmtechslv

myproject/Pipfile

@@ -6,6 +6,12 @@ verify_ssl = true
 [dev-packages]
 
 [packages]
+asgiref = "==3.3.1"
+django-crispy-forms = "==1.11.2"
+django-filter = "==2.4.0"
+pytz = "==2021.1"
+sqlparse = "==0.4.1"
+Django = "==3.1.7"
 
 [requires]
 python_version = "3.7"

myproject/requirements.txt

@@ -0,0 +1,6 @@
+asgiref==3.3.1
+Django==3.1.7
+django-crispy-forms==1.11.2
+django-filter==2.4.0
+pytz==2021.1
+sqlparse==0.4.1

myproject/src/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault('DJANGO_SETTINGS_MODULE', 'myproject.settings')
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == '__main__':
+    main()

myproject/src/myapp/__init__.py

@@ -0,0 +1,7 @@
+from django.contrib import admin
+from .models import People
+
+class PeopleAdmin(admin.ModelAdmin):
+    pass
+    
+admin.site.register(People, PeopleAdmin)

myproject/src/myapp/admin.py

@@ -0,0 +1,5 @@
+from django.apps import AppConfig
+
+
+class MyappConfig(AppConfig):
+    name = 'myapp'

myproject/src/myapp/apps.py

@@ -0,0 +1,31 @@
+# import django_filters
+# from .models import People
+#
+# class PeopleFilter(django_filters.FilterSet):
+#   age = django_filters.RangeFilter()
+#
+#   class Meta:
+#       model = People
+#       fields = ['age']
+
+from django_filters import FilterSet
+from django_filters.filters import RangeFilter
+from .models import People
+from .forms import PeopleFilterFormHelper
+from .widgets import CustomRangeWidget
+
+class AllRangeFilter(RangeFilter):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        values = [p.age for p in People.objects.all()]
+        min_value = min(values)
+        max_value = max(values)
+        self.extra['widget'] = CustomRangeWidget(attrs={'data-range_min':min_value,'data-range_max':max_value})
+
+class PeopleFilter(FilterSet):
+  age = AllRangeFilter()
+
+  class Meta:
+      model = People
+      fields = ['age']
+      form = PeopleFilterFormHelper

myproject/src/myapp/filters.py

@@ -0,0 +1,20 @@
+from crispy_forms.helper import FormHelper
+from crispy_forms.bootstrap import StrictButton
+from crispy_forms.layout import Field, Layout
+from django import forms
+from django_filters.fields import RangeField
+
+class PeopleFilterFormHelper(forms.Form):
+    def __init__(self, *args, **kwargs):
+        super().__init__(*args, **kwargs)
+        self.helper = FormHelper(self)
+        self.helper.form_method = 'get'
+        layout_fields = []
+        for field_name, field in self.fields.items():
+            if isinstance(field, RangeField):
+                layout_field = Field(field_name, template="forms/fields/range-slider.html")
+            else:
+                layout_field = Field(field_name)
+            layout_fields.append(layout_field)
+        layout_fields.append(StrictButton("Submit", name='submit', type='submit', css_class='btn btn-fill-out btn-block mt-1'))
+        self.helper.layout = Layout(*layout_fields)

myproject/src/myapp/forms.py

@@ -0,0 +1,23 @@
+# Generated by Django 3.1.7 on 2021-04-06 13:40
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='People',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('name', models.CharField(blank=True, max_length=50, null=True)),
+                ('surname', models.CharField(blank=True, max_length=50, null=True)),
+                ('age', models.IntegerField()),
+            ],
+        ),
+    ]