4 - Model Form for Validation

Author: codingforentrepreneurs

src/db.sqlite3

@@ -1,5 +1,14 @@
 from django.contrib import admin
 
+from .forms import StatusForm
 from .models import Status
 
-admin.site.register(Status)
+
+class StatusAdmin(admin.ModelAdmin):
+    list_display = ['user', '__str__', 'image']
+    form = StatusForm
+    # class Meta:
+    #     model = Status
+
+
+admin.site.register(Status, StatusAdmin)

src/status/admin.py

@@ -0,0 +1,28 @@
+from django import forms
+
+from .models import Status
+
+class StatusForm(forms.ModelForm):
+    class Meta:
+        model = Status
+        fields = [
+            'user',
+            'content',
+            'image'
+        ]
+
+    def clean_content(self, *args, **kwargs):
+        content = self.cleaned_data.get('content')
+        if len(content) > 240:
+            raise forms.ValidationError("Content is too long")
+        return content
+
+    def clean(self, *args, **kwargs):
+        data = self.cleaned_data
+        content = data.get('content', None)
+        if content == "":
+            content = None
+        image = data.get("image", None)
+        if content is None and image is None:
+            raise forms.ValidationError('Content or image is required.')
+        return super().clean(*args, **kwargs)

src/status/forms.py

@@ -0,0 +1,19 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.8 on 2017-12-11 20:32
+from __future__ import unicode_literals
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('status', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name='status',
+            options={'verbose_name': 'Status post', 'verbose_name_plural': 'Status posts'},
+        ),
+    ]

src/status/migrations/0002_auto_20171211_2032.py

@@ -25,4 +25,13 @@ class Status(models.Model): # fb status, instagram post, tweet, linkedin post
     objects = StatusManager()
 
     def __str__(self):
-        return str(self.content)[:50]
+        return str(self.content)[:50]
+
+    class Meta:
+        verbose_name = 'Status post'
+        verbose_name_plural = 'Status posts'
+
+
+
+
+