Validation

project/main/migrations/0004_alter_person_address_alter_person_city_and_more.py

@@ -0,0 +1,46 @@
+# Generated by Django 5.0.4 on 2024-05-16 05:33
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("main", "0003_person"),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name="person",
+            name="address",
+            field=models.CharField(
+                max_length=100,
+                validators=[
+                    django.core.validators.MinLengthValidator(2),
+                    django.core.validators.MaxLengthValidator(100),
+                ],
+            ),
+        ),
+        migrations.AlterField(
+            model_name="person",
+            name="city",
+            field=models.CharField(
+                max_length=100,
+                validators=[
+                    django.core.validators.MinLengthValidator(2),
+                    django.core.validators.MaxLengthValidator(100),
+                ],
+            ),
+        ),
+        migrations.AlterField(
+            model_name="person",
+            name="name",
+            field=models.CharField(
+                max_length=100,
+                validators=[
+                    django.core.validators.MinLengthValidator(2),
+                    django.core.validators.MaxLengthValidator(100),
+                ],
+            ),
+        ),
+    ]

project/main/models/person.py

@@ -1,10 +1,26 @@
+from django.core.validators import MaxLengthValidator, MinLengthValidator
 from django.db import models
 
 
 class Person(models.Model):
-    name = models.CharField(max_length=100)
-    address = models.CharField(max_length=100)
-    city = models.CharField(max_length=100)
+    name = models.CharField(
+        max_length=100,
+        blank=False,
+        null=False,
+        validators=[MinLengthValidator(2), MaxLengthValidator(100)],
+    )
+    address = models.CharField(
+        max_length=100,
+        blank=False,
+        null=False,
+        validators=[MinLengthValidator(2), MaxLengthValidator(100)],
+    )
+    city = models.CharField(
+        max_length=100,
+        blank=False,
+        null=False,
+        validators=[MinLengthValidator(2), MaxLengthValidator(100)],
+    )
 
     class Meta:
         db_table = "persons"

project/main/templates/main/components/inline_table_row.html

@@ -1,14 +1,24 @@
-{% macro inline_table_row(person, is_editing) %}
+{% macro inline_table_row(person, is_editing, errors={}) %}
+    {% macro render_input(field_name, value) %}
+        {% set has_error = field_name in errors %}
+        <input
+            class="form-control {% if has_error %}is-invalid{% endif %}"
+            name="{{ field_name }}"
+            value="{{ value }}"
+            {% if has_error %}title="{{ errors[field_name] }}"{% endif %}
+        >
+    {% endmacro %}
+
     {% if is_editing %}
         <tr id="person-row-{{ person.pk }}" hx-target="this" hx-swap="outerHTML">
             <td>
-                <input class="form-control" name="name" value="{{ person.name }}">
+                {{ render_input(field_name="name", value=person.name) }}
             </td>
             <td>
-                <input class="form-control" name="address" value="{{ person.address }}">
+                {{ render_input(field_name="address", value=person.address) }}
             </td>
             <td>
-                <input class="form-control" name="city" value="{{ person.city }}">
+                {{ render_input(field_name="city", value=person.city) }}
             </td>
             <td>
                 <button

project/main/templates/main/table_inline_table_row.html

@@ -1,3 +1,3 @@
 {% from "main/components/inline_table_row.html" import inline_table_row %}
 
-{{ inline_table_row(person, is_editing=is_editing) }}
+{{ inline_table_row(person, is_editing=is_editing, errors=errors) }}

project/main/views/table_inline_edit.py

@@ -1,7 +1,8 @@
-from typing import Any
+from typing import Any, Optional
 
+from django.core.exceptions import ValidationError
 from django.core.handlers.wsgi import WSGIRequest
-from django.http import Http404, HttpRequest, HttpResponse
+from django.http import Http404, HttpResponse
 from django.shortcuts import render
 
 from project.main.models import Person
@@ -51,16 +52,27 @@ class TableInlineEditRowView(DemoViewBase):
         return context_data
 
     def post(self, request: WSGIRequest, *args, **kwargs) -> HttpResponse:
+        errors: Optional[dict[str, str]] = None
+
         person = get_person(pk=kwargs.get("pk"))
         person.name = request.POST.get("name")
         person.address = request.POST.get("address")
         person.city = request.POST.get("city")
-        person.save()
+
+        try:
+            person.clean_fields()
+        except ValidationError as ex:
+            errors = {key: value[0].message for key, value in ex.error_dict.items()}
+        else:
+            person.save()
+
+        print(errors)
 
         return render(
             context={
                 "person": person,
-                "is_editing": False,
+                "errors": errors,
+                "is_editing": errors is not None,
             },
             template_name=self.template_name,
             request=request,