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# Izaac 2.1 Project # Izaac 2.1 Project
This project consists of a Django backend and a React/TypeScript frontend. Below are instructions for setting up and running both parts in development mode. This project consists of a Django backend and a React/TypeScript frontend. Below are instructions for setting up and running both parts in development mode.
## Prerequisites ## Prerequisites
- Python 3.x - Python 3.x
- Node.js (LTS version recommended) - Node.js (LTS version recommended)
- npm or yarn - npm or yarn
- SQLite (included with Python) - SQLite (included with Python)
## Backend Setup ## Backend Setup
1. Navigate to the backend directory: 1. Navigate to the backend directory:
```bash ```bash
cd backend cd backend
``` ```
2. Create and activate a virtual environment: 2. Create and activate a virtual environment:
```bash ```bash
python -m venv venv python -m venv venv
source venv/bin/activate # On Windows use: venv\Scripts\activate source venv/bin/activate # On Windows use: venv\Scripts\activate
``` ```
3. Install dependencies: 3. Install dependencies:
```bash ```bash
pip install -r requirements.txt pip install -r requirements.txt
``` ```
4. Run database migrations: 4. Run database migrations:
```bash ```bash
python manage.py migrate python manage.py migrate
``` ```
5. Start the development server: 5. Start the development server:
```bash ```bash
python manage.py runserver python manage.py runserver
``` ```
The backend will be available at `http://localhost:8000` The backend will be available at `http://localhost:8000`
## Frontend Setup ## Frontend Setup
1. Navigate to the frontend directory: 1. Navigate to the frontend directory:
```bash ```bash
cd frontend cd frontend
``` ```
2. Install dependencies: 2. Install dependencies:
```bash ```bash
npm install npm install
# or if you use yarn: # or if you use yarn:
yarn install yarn install
``` ```
3. Start the development server: 3. Start the development server:
```bash ```bash
npm run dev npm run dev
# or if you use yarn: # or if you use yarn:
yarn dev yarn dev
``` ```
The frontend will be available at `http://localhost:5173` The frontend will be available at `http://localhost:5173`
## Development ## Development
- Backend API documentation is available at `http://localhost:8000/api/docs/` when the server is running - Backend API documentation is available at `http://localhost:8000/api/docs/` when the server is running
- Frontend hot-reloading is enabled by default - Frontend hot-reloading is enabled by default
- Backend hot-reloading is enabled by default with Django's development server - Backend hot-reloading is enabled by default with Django's development server
## Project Structure ## Project Structure
- `/backend` - Django backend application - `/backend` - Django backend application
- `/frontend` - React/TypeScript frontend application - `/frontend` - React/TypeScript frontend application
- `/nginx` - Nginx configuration files - `/nginx` - Nginx configuration files
## Additional Notes ## Additional Notes
- Make sure both backend and frontend servers are running simultaneously for full functionality - Make sure both backend and frontend servers are running simultaneously for full functionality
- The backend uses SQLite as the database by default - The backend uses SQLite as the database by default
- Frontend is built with Vite and uses Tailwind CSS for styling - Frontend is built with Vite and uses Tailwind CSS for styling

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# Created by venv; see https://docs.python.org/3/library/venv.html
#Ignorowanie plików i katalogów w projekcie backend /bin
# Created by venv; see https://docs.python.org/3/library/venv.html /lib
/bin /include
/lib /share
/include /man
/share /doc
/man /html
/doc pyvenv.cfg
/html
pyvenv.cfg
/venv

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#Obsługa panelu administracyjnego dla aplikacji content from django.contrib import admin
from django.contrib import admin
# Register your models here.
# Register your models here.

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#Ogbługa aplikacji content w Django from django.apps import AppConfig
from django.apps import AppConfig
# Definicja klasy konfiguracyjnej aplikacji Django dla modułu content. class ContentConfig(AppConfig):
class ContentConfig(AppConfig): default_auto_field = 'django.db.models.BigAutoField'
default_auto_field = 'django.db.models.BigAutoField' name = 'content'
name = 'content'

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# Generated by Django 4.2 on 2025-05-01 18:16 # Generated by Django 4.2 on 2025-05-01 18:16
from django.db import migrations, models from django.db import migrations, models
class Migration(migrations.Migration): class Migration(migrations.Migration):
initial = True initial = True
dependencies = [ dependencies = [
] ]
operations = [ operations = [
migrations.CreateModel( migrations.CreateModel(
name='Category', name='Category',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=255)), ('name', models.CharField(max_length=255)),
('slug', models.SlugField(unique=True)), ('slug', models.SlugField(unique=True)),
], ],
), ),
migrations.CreateModel( migrations.CreateModel(
name='Comment', name='Comment',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('content', models.TextField(max_length=2000)), ('content', models.TextField(max_length=2000)),
('approved', models.BooleanField(default=False)), ('approved', models.BooleanField(default=False)),
('created_at', models.DateTimeField(auto_now_add=True)), ('created_at', models.DateTimeField(auto_now_add=True)),
], ],
), ),
migrations.CreateModel( migrations.CreateModel(
name='Page', name='Page',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('title', models.CharField(max_length=255)), ('title', models.CharField(max_length=255)),
('content', models.TextField()), ('content', models.TextField()),
('status', models.CharField(choices=[('draft', 'Draft'), ('pending', 'Pending Review'), ('published', 'Published')], default='draft', max_length=10)), ('status', models.CharField(choices=[('draft', 'Draft'), ('pending', 'Pending Review'), ('published', 'Published')], default='draft', max_length=10)),
('created_at', models.DateTimeField(auto_now_add=True)), ('created_at', models.DateTimeField(auto_now_add=True)),
('updated_at', models.DateTimeField(auto_now=True)), ('updated_at', models.DateTimeField(auto_now=True)),
], ],
options={ options={
'abstract': False, 'abstract': False,
}, },
), ),
migrations.CreateModel( migrations.CreateModel(
name='Post', name='Post',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('title', models.CharField(max_length=255)), ('title', models.CharField(max_length=255)),
('content', models.TextField()), ('content', models.TextField()),
('status', models.CharField(choices=[('draft', 'Draft'), ('pending', 'Pending Review'), ('published', 'Published')], default='draft', max_length=10)), ('status', models.CharField(choices=[('draft', 'Draft'), ('pending', 'Pending Review'), ('published', 'Published')], default='draft', max_length=10)),
('created_at', models.DateTimeField(auto_now_add=True)), ('created_at', models.DateTimeField(auto_now_add=True)),
('updated_at', models.DateTimeField(auto_now=True)), ('updated_at', models.DateTimeField(auto_now=True)),
], ],
options={ options={
'abstract': False, 'abstract': False,
}, },
), ),
] ]

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# Generated by Django 4.2 on 2025-05-01 18:16 # Generated by Django 4.2 on 2025-05-01 18:16
from django.conf import settings from django.conf import settings
from django.db import migrations, models from django.db import migrations, models
import django.db.models.deletion import django.db.models.deletion
class Migration(migrations.Migration): class Migration(migrations.Migration):
initial = True initial = True
dependencies = [ dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL), migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('content', '0001_initial'), ('content', '0001_initial'),
] ]
operations = [ operations = [
migrations.AddField( migrations.AddField(
model_name='post', model_name='post',
name='author', name='author',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL), field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
), ),
migrations.AddField( migrations.AddField(
model_name='post', model_name='post',
name='category', name='category',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='content.category'), field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='content.category'),
), ),
migrations.AddField( migrations.AddField(
model_name='page', model_name='page',
name='author', name='author',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL), field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
), ),
migrations.AddField( migrations.AddField(
model_name='page', model_name='page',
name='category', name='category',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='content.category'), field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='content.category'),
), ),
migrations.AddField( migrations.AddField(
model_name='comment', model_name='comment',
name='author', name='author',
field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL), field=models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL),
), ),
migrations.AddField( migrations.AddField(
model_name='comment', model_name='comment',
name='page', name='page',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='content.page'), field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='content.page'),
), ),
migrations.AddField( migrations.AddField(
model_name='comment', model_name='comment',
name='post', name='post',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='content.post'), field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='content.post'),
), ),
] ]

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from django.db import migrations from django.db import migrations
def create_initial_categories(apps, schema_editor): def create_initial_categories(apps, schema_editor):
Category = apps.get_model('content', 'Category') Category = apps.get_model('content', 'Category')
default_categories = [ default_categories = [
{'name': 'General', 'slug': 'general'}, {'name': 'General', 'slug': 'general'},
{'name': 'Technology', 'slug': 'technology'}, {'name': 'Technology', 'slug': 'technology'},
{'name': 'Science', 'slug': 'science'}, {'name': 'Science', 'slug': 'science'},
{'name': 'Programming', 'slug': 'programming'}, {'name': 'Programming', 'slug': 'programming'},
{'name': 'News', 'slug': 'news'}, {'name': 'News', 'slug': 'news'},
] ]
for category in default_categories: for category in default_categories:
Category.objects.get_or_create( Category.objects.get_or_create(
name=category['name'], name=category['name'],
slug=category['slug'] slug=category['slug']
) )
def remove_initial_categories(apps, schema_editor): def remove_initial_categories(apps, schema_editor):
Category = apps.get_model('content', 'Category') Category = apps.get_model('content', 'Category')
Category.objects.filter(slug__in=['general', 'technology', 'science', 'programming', 'news']).delete() Category.objects.filter(slug__in=['general', 'technology', 'science', 'programming', 'news']).delete()
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
('content', '0001_initial'), ('content', '0001_initial'),
] ]
operations = [ operations = [
migrations.RunPython(create_initial_categories, remove_initial_categories), migrations.RunPython(create_initial_categories, remove_initial_categories),
] ]

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# Generated by Django 4.2 on 2025-05-01 19:05 # Generated by Django 4.2 on 2025-05-01 19:05
from django.conf import settings from django.conf import settings
import django.core.validators import django.core.validators
from django.db import migrations, models from django.db import migrations, models
import django.db.models.deletion import django.db.models.deletion
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL), migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('content', '0002_initial'), ('content', '0002_initial'),
] ]
operations = [ operations = [
migrations.CreateModel( migrations.CreateModel(
name='UploadedImage', name='UploadedImage',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('image', models.ImageField(upload_to='uploads/%Y/%m/%d/', validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['jpg', 'jpeg', 'png', 'gif', 'webp'])])), ('image', models.ImageField(upload_to='uploads/%Y/%m/%d/', validators=[django.core.validators.FileExtensionValidator(allowed_extensions=['jpg', 'jpeg', 'png', 'gif', 'webp'])])),
('title', models.CharField(max_length=255)), ('title', models.CharField(max_length=255)),
('uploaded_at', models.DateTimeField(auto_now_add=True)), ('uploaded_at', models.DateTimeField(auto_now_add=True)),
('file_size', models.PositiveIntegerField()), ('file_size', models.PositiveIntegerField()),
('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)), ('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
], ],
options={ options={
'ordering': ['-uploaded_at'], 'ordering': ['-uploaded_at'],
}, },
), ),
] ]

28
backend/content/migrations/0004_merge_0002_initial_categories_0003_uploadedimage.py
View File

@ -1,14 +1,14 @@
# Generated by Django 4.2 on 2025-05-01 19:19 # Generated by Django 4.2 on 2025-05-01 19:19
from django.db import migrations from django.db import migrations
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
('content', '0002_initial_categories'), ('content', '0002_initial_categories'),
('content', '0003_uploadedimage'), ('content', '0003_uploadedimage'),
] ]
operations = [ operations = [
] ]

62
backend/content/migrations/0005_tag_page_tags_post_tags.py
View File

@ -1,31 +1,31 @@
# Generated by Django 4.2 on 2025-05-04 10:54 # Generated by Django 4.2 on 2025-05-04 10:54
from django.db import migrations, models from django.db import migrations, models
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
('content', '0004_merge_0002_initial_categories_0003_uploadedimage'), ('content', '0004_merge_0002_initial_categories_0003_uploadedimage'),
] ]
operations = [ operations = [
migrations.CreateModel( migrations.CreateModel(
name='Tag', name='Tag',
fields=[ fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')), ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=255)), ('name', models.CharField(max_length=255)),
('slug', models.SlugField(unique=True)), ('slug', models.SlugField(unique=True)),
], ],
), ),
migrations.AddField( migrations.AddField(
model_name='page', model_name='page',
name='tags', name='tags',
field=models.ManyToManyField(blank=True, to='content.tag'), field=models.ManyToManyField(blank=True, to='content.tag'),
), ),
migrations.AddField( migrations.AddField(
model_name='post', model_name='post',
name='tags', name='tags',
field=models.ManyToManyField(blank=True, to='content.tag'), field=models.ManyToManyField(blank=True, to='content.tag'),
), ),
] ]

46
backend/content/migrations/0006_page_slug_post_slug.py
View File

@ -1,23 +1,23 @@
# Generated by Django 4.2 on 2025-05-10 23:27 # Generated by Django 4.2 on 2025-05-10 23:27
from django.db import migrations, models from django.db import migrations, models
class Migration(migrations.Migration): class Migration(migrations.Migration):
dependencies = [ dependencies = [
('content', '0005_tag_page_tags_post_tags'), ('content', '0005_tag_page_tags_post_tags'),
] ]
operations = [ operations = [
migrations.AddField( migrations.AddField(
model_name='page', model_name='page',
name='slug', name='slug',
field=models.SlugField(blank=True, unique=True), field=models.SlugField(blank=True, unique=True),
), ),
migrations.AddField( migrations.AddField(
model_name='post', model_name='post',
name='slug', name='slug',
field=models.SlugField(blank=True, unique=True), field=models.SlugField(blank=True, unique=True),
), ),
] ]

71
backend/content/migrations/0007_category_created_at_category_description_and_more.py
View File

@ -1,71 +0,0 @@
# Generated by Django 4.2 on 2025-07-09 20:01
from django.db import migrations, models
import django.db.models.deletion
import django.utils.timezone
class Migration(migrations.Migration):
dependencies = [
('content', '0006_page_slug_post_slug'),
]
operations = [
migrations.AddField(
model_name='category',
name='created_at',
field=models.DateTimeField(auto_now_add=True, default=django.utils.timezone.now),
preserve_default=False,
),
migrations.AddField(
model_name='category',
name='description',
field=models.TextField(blank=True, null=True),
),
migrations.AddField(
model_name='category',
name='meta_description',
field=models.CharField(blank=True, help_text='Opis dla wyszukiwarek (SEO)', max_length=160, null=True),
),
migrations.AddField(
model_name='category',
name='parent_category',
field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='subcategories', to='content.category'),
),
migrations.AddField(
model_name='page',
name='meta_description',
field=models.CharField(blank=True, help_text='Opis dla wyszukiwarek (SEO)', max_length=160, null=True),
),
migrations.AddField(
model_name='page',
name='meta_image',
field=models.ImageField(blank=True, help_text='Obrazek do podglądu w linkach (np. na Facebooku).', null=True, upload_to='seo/'),
),
migrations.AddField(
model_name='page',
name='meta_title',
field=models.CharField(blank=True, help_text='Tytuł wyświetlany w wyszukiwarkach. Domyślnie będzie użyty title.', max_length=70),
),
migrations.AddField(
model_name='post',
name='meta_description',
field=models.CharField(blank=True, help_text='Opis dla wyszukiwarek (SEO)', max_length=160, null=True),
),
migrations.AddField(
model_name='post',
name='meta_image',
field=models.ImageField(blank=True, help_text='Obrazek do podglądu w linkach (np. na Facebooku).', null=True, upload_to='seo/'),
),
migrations.AddField(
model_name='post',
name='meta_title',
field=models.CharField(blank=True, help_text='Tytuł wyświetlany w wyszukiwarkach. Domyślnie będzie użyty title.', max_length=70),
),
migrations.AlterField(
model_name='category',
name='slug',
field=models.SlugField(blank=True, unique=True),
),
]

23
backend/content/migrations/0008_alter_page_meta_image_alter_post_meta_image.py
View File

@ -1,23 +0,0 @@
# Generated by Django 4.2 on 2025-07-10 20:08
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('content', '0007_category_created_at_category_description_and_more'),
]
operations = [
migrations.AlterField(
model_name='page',
name='meta_image',
field=models.URLField(blank=True, help_text='Obrazek do podglądu w linkach (np. na Facebooku)', null=True),
),
migrations.AlterField(
model_name='post',
name='meta_image',
field=models.URLField(blank=True, help_text='Obrazek do podglądu w linkach (np. na Facebooku)', null=True),
),
]

24
backend/content/migrations/0009_uploadedimage_category_uploadedimage_description.py
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@ -1,24 +0,0 @@
# Generated by Django 4.2 on 2025-08-07 07:57
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
('content', '0008_alter_page_meta_image_alter_post_meta_image'),
]
operations = [
migrations.AddField(
model_name='uploadedimage',
name='category',
field=models.ForeignKey(default=1, on_delete=django.db.models.deletion.CASCADE, to='content.category'),
),
migrations.AddField(
model_name='uploadedimage',
name='description',
field=models.TextField(blank=True, help_text='Opis obrazka', null=True),
),
]

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198
backend/content/models.py
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#Modele do obsługi treści: takie jak posty, strony, komentarze i przesłane obrazy. from django.db import models
from users.models import User
from django.db import models from django.conf import settings
from users.models import User from django.utils import timezone
from django.conf import settings from django.core.validators import FileExtensionValidator
from django.utils import timezone
from django.core.validators import FileExtensionValidator class Category(models.Model):
from django.utils.text import slugify name = models.CharField(max_length=255)
slug = models.SlugField(unique=True)
#Obsługa kategorii
class Category(models.Model): def __str__(self):
name = models.CharField(max_length=255) return self.name
slug = models.SlugField(unique=True, blank=True)
description = models.TextField(blank=True, null=True) class AbstractContent(models.Model):
parent_category = models.ForeignKey('self', null=True, blank=True, on_delete=models.CASCADE, related_name='subcategories') STATUS_CHOICES = (
created_at = models.DateTimeField(auto_now_add=True) ('draft', 'Draft'),
meta_description = models.CharField(max_length=160, blank=True, null=True, help_text="Opis dla wyszukiwarek (SEO)") ('pending', 'Pending Review'),
('published', 'Published'),
def save(self, *args, **kwargs): )
if not self.slug: title = models.CharField(max_length=255)
self.slug = slugify(self.name) slug = models.SlugField(unique=True, blank=True)
super().save(*args, **kwargs) content = models.TextField()
status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='draft')
def __str__(self): author = models.ForeignKey(User, on_delete=models.CASCADE)
return self.name created_at = models.DateTimeField(auto_now_add=True)
updated_at = models.DateTimeField(auto_now=True)
#Obsługa treści category = models.ForeignKey('Category', on_delete=models.CASCADE)
class AbstractContent(models.Model): tags = models.ManyToManyField('Tag', blank=True)
STATUS_CHOICES = ( class Meta:
('draft', 'Draft'), abstract = True
('pending', 'Pending Review'),
('published', 'Published'), def __str__(self):
) return self.title
title = models.CharField(max_length=255)
slug = models.SlugField(unique=True, blank=True) class Post(AbstractContent):
content = models.TextField() pass
status = models.CharField(max_length=10, choices=STATUS_CHOICES, default='draft')
author = models.ForeignKey(User, on_delete=models.CASCADE) class Page(AbstractContent):
created_at = models.DateTimeField(auto_now_add=True) pass
updated_at = models.DateTimeField(auto_now=True)
category = models.ForeignKey('Category', on_delete=models.CASCADE) class Comment(models.Model):
tags = models.ManyToManyField('Tag', blank=True) content = models.TextField(max_length=2000)
meta_title = models.CharField(max_length=70, blank=True, help_text="Tytuł wyświetlany w wyszukiwarkach. Domyślnie będzie użyty title.") approved = models.BooleanField(default=False)
meta_description = models.CharField(max_length=160, blank=True, null=True, help_text="Opis dla wyszukiwarek (SEO)") author = models.ForeignKey(User, on_delete=models.CASCADE)
meta_image = models.URLField(blank=True, null=True, help_text="Obrazek do podglądu w linkach (np. na Facebooku)") post = models.ForeignKey(Post, null=True, blank=True, on_delete=models.CASCADE)
page = models.ForeignKey(Page, null=True, blank=True, on_delete=models.CASCADE)
class Meta: created_at = models.DateTimeField(auto_now_add=True)
abstract = True
class UploadedImage(models.Model):
def __str__(self): user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
return self.title image = models.ImageField(
upload_to='uploads/%Y/%m/%d/',
#Obsługa postów i stron validators=[FileExtensionValidator(allowed_extensions=['jpg', 'jpeg', 'png', 'gif', 'webp'])]
class Post(AbstractContent): )
pass title = models.CharField(max_length=255)
uploaded_at = models.DateTimeField(auto_now_add=True)
class Page(AbstractContent): file_size = models.PositiveIntegerField() # Size in bytes
pass
class Meta:
#Obsługa komentarzy ordering = ['-uploaded_at']
class Comment(models.Model):
content = models.TextField(max_length=2000) def __str__(self):
approved = models.BooleanField(default=False) return f"{self.title} - {self.user.username}"
author = models.ForeignKey(User, on_delete=models.CASCADE)
post = models.ForeignKey(Post, null=True, blank=True, on_delete=models.CASCADE) @property
page = models.ForeignKey(Page, null=True, blank=True, on_delete=models.CASCADE) def url(self):
created_at = models.DateTimeField(auto_now_add=True) return self.image.url if self.image else None
#Obsługa przesłanych obrazów def save(self, *args, **kwargs):
class UploadedImage(models.Model): if not self.file_size and self.image:
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE) self.file_size = self.image.size
image = models.ImageField( super().save(*args, **kwargs)
upload_to='uploads/%Y/%m/%d/',
validators=[FileExtensionValidator(allowed_extensions=['jpg', 'jpeg', 'png', 'gif', 'webp'])] @classmethod
) def get_user_daily_upload_size(cls, user):
title = models.CharField(max_length=255) today = timezone.now().date()
uploaded_at = models.DateTimeField(auto_now_add=True) tomorrow = today + timezone.timedelta(days=1)
file_size = models.PositiveIntegerField() # Size in bytes return cls.objects.filter(
category = models.ForeignKey('Category', on_delete=models.CASCADE, default=1) user=user,
description = models.TextField(blank=True, null=True, help_text="Opis obrazka") uploaded_at__gte=today,
uploaded_at__lt=tomorrow
class Meta: ).aggregate(total_size=models.Sum('file_size'))['total_size'] or 0
ordering = ['-uploaded_at']
class Tag(models.Model):
def __str__(self): name = models.CharField(max_length=255)
return f"{self.title} - {self.user.username}" slug = models.SlugField(unique=True)
def __str__(self):
@property
def url(self):
return self.image.url if self.image else None
def save(self, *args, **kwargs):
if not self.file_size and self.image:
self.file_size = self.image.size
super().save(*args, **kwargs)
@classmethod
def get_user_daily_upload_size(cls, user):
today = timezone.now().date()
tomorrow = today + timezone.timedelta(days=1)
return cls.objects.filter(
user=user,
uploaded_at__gte=today,
uploaded_at__lt=tomorrow
).aggregate(total_size=models.Sum('file_size'))['total_size'] or 0
#Obsługa tagów
class Tag(models.Model):
name = models.CharField(max_length=255)
slug = models.SlugField(unique=True)
def __str__(self):
return self.name return self.name

306
backend/content/serializers.py
View File

@ -1,191 +1,115 @@
import os from rest_framework import serializers
from .models import Post, Comment, Page, Category, UploadedImage, Tag
from django.utils.text import slugify from users.models import User
from rest_framework import serializers
class TagSerializer(serializers.ModelSerializer):
from users.models import User class Meta:
from .models import ( model = Tag
UploadedImage, fields = ['id', 'name', 'slug']
Category, read_only_fields = ['id']
Post,
Comment, class CategorySerializer(serializers.ModelSerializer):
Page, class Meta:
Tag, model = Category
) fields = ['id', 'name', 'slug']
read_only_fields = ['id']
# Serialized do tagów
class TagSerializer(serializers.ModelSerializer): class UserSerializer(serializers.ModelSerializer):
class Meta: class Meta:
model = Tag model = User
fields = ['id', 'name', 'slug'] fields = ['id', 'username', 'first_name', 'last_name']
read_only_fields = ['id'] read_only_fields = ['id']
# Serialized do kategorii class CommentSerializer(serializers.ModelSerializer):
class CategorySerializer(serializers.ModelSerializer): author = UserSerializer(read_only=True)
class Meta:
model = Category class Meta:
fields = ['id', 'name', 'slug', 'description', 'parent_category', 'created_at'] model = Comment
read_only_fields = ['id', 'created_at'] fields = ['id', 'content', 'author', 'post', 'page', 'approved', 'created_at']
read_only_fields = ['id', 'created_at', 'author']
# Serialized do użytkowników
class UserSerializer(serializers.ModelSerializer): class PostSerializer(serializers.ModelSerializer):
class Meta: author = UserSerializer(read_only=True)
model = User category = CategorySerializer(read_only=True)
fields = ['id', 'username', 'first_name', 'last_name'] category_id = serializers.PrimaryKeyRelatedField(
read_only_fields = ['id'] queryset=Category.objects.all(),
source='category',
# Serialized do komentarzy write_only=True
class CommentSerializer(serializers.ModelSerializer): )
author = UserSerializer(read_only=True) comments = CommentSerializer(many=True, read_only=True)
tags = TagSerializer(many=True, read_only=True)
class Meta: tag_ids = serializers.PrimaryKeyRelatedField(
model = Comment queryset=Tag.objects.all(),
fields = ['id', 'content', 'author', 'post', 'page', 'approved', 'created_at'] source='tags',
read_only_fields = ['id', 'created_at', 'author'] many=True,
write_only=True,
# Serialized do postów required=False
class PostSerializer(serializers.ModelSerializer): )
author = UserSerializer(read_only=True) slug = serializers.SlugField(required=True)
category = CategorySerializer(read_only=True)
category_id = serializers.PrimaryKeyRelatedField( class Meta:
queryset=Category.objects.all(), model = Post
source='category', fields = [
write_only=True 'id', 'title', 'content', 'status', 'author',
) 'category', 'category_id', 'comments',
comments = CommentSerializer(many=True, read_only=True) 'created_at', 'updated_at', 'tags', 'tag_ids', 'slug'
tags = TagSerializer(many=True, read_only=True) ]
tag_ids = serializers.PrimaryKeyRelatedField( read_only_fields = ['id', 'created_at', 'updated_at', 'author', 'slug']
queryset=Tag.objects.all(), lookup_field = 'slug'
source='tags', extra_kwargs = {
many=True, 'url': {'lookup_field': 'slug'}
write_only=True, }
required=False
) class PageSerializer(serializers.ModelSerializer):
slug = serializers.SlugField(required=True) author = UserSerializer(read_only=True)
category = CategorySerializer(read_only=True)
meta_title = serializers.CharField(required=False, allow_blank=True) category_id = serializers.PrimaryKeyRelatedField(
meta_description = serializers.CharField(required=False, allow_blank=True) queryset=Category.objects.all(),
meta_image = serializers.CharField(required=False, allow_null=True) source='category',
write_only=True
class Meta: )
model = Post comments = CommentSerializer(many=True, read_only=True)
fields = [ slug = serializers.SlugField(required=True)
'id', 'title', 'content', 'status', 'author', class Meta:
'category', 'category_id', 'comments', model = Page
'created_at', 'updated_at', 'tags', 'tag_ids', 'slug', fields = [
'meta_title', 'meta_description', 'meta_image',] 'id', 'title', 'content', 'status', 'author',
read_only_fields = ['id', 'created_at', 'updated_at', 'author', 'slug'] 'category', 'category_id', 'comments',
lookup_field = 'slug' 'created_at', 'updated_at', 'slug'
extra_kwargs = { ]
'url': {'lookup_field': 'slug'} read_only_fields = ['id', 'created_at', 'updated_at', 'author', 'slug']
} lookup_field = 'slug'
extra_kwargs = {
def create(self, validated_data): 'url': {'lookup_field': 'slug'}
if not validated_data.get('slug'): }
validated_data['slug'] = slugify(validated_data.get('title', ''))
return super().create(validated_data) class UploadedImageSerializer(serializers.ModelSerializer):
url = serializers.SerializerMethodField()
def update(self, instance, validated_data): file_size_display = serializers.SerializerMethodField()
if not validated_data.get('slug') and validated_data.get('title'): image = serializers.ImageField(required=True)
validated_data['slug'] = slugify(validated_data['title'])
return super().update(instance, validated_data) class Meta:
model = UploadedImage
# Serialized do stron fields = ['id', 'title', 'image', 'url', 'uploaded_at', 'file_size', 'file_size_display']
class PageSerializer(serializers.ModelSerializer): read_only_fields = ['file_size', 'uploaded_at', 'url']
author = UserSerializer(read_only=True)
category = CategorySerializer(read_only=True) def get_url(self, obj):
category_id = serializers.PrimaryKeyRelatedField( request = self.context.get('request')
queryset=Category.objects.all(), if obj.image and hasattr(obj.image, 'url'):
source='category', return request.build_absolute_uri(obj.image.url) if request else obj.image.url
write_only=True return None
)
comments = CommentSerializer(many=True, read_only=True) def get_file_size_display(self, obj):
slug = serializers.SlugField(required=True) """Convert bytes to human readable format"""
for unit in ['B', 'KB', 'MB', 'GB']:
meta_title = serializers.CharField(required=False, allow_blank=True) if obj.file_size < 1024.0:
meta_description = serializers.CharField(required=False, allow_blank=True) return f"{obj.file_size:.1f} {unit}"
meta_image = serializers.ImageField(required=False, allow_null=True) obj.file_size /= 1024.0
return f"{obj.file_size:.1f} TB"
class Meta:
model = Page def validate_image(self, value):
fields = [ if not value:
'id', 'title', 'content', 'status', 'author', raise serializers.ValidationError("Image file is required.")
'category', 'category_id', 'comments', return value
'created_at', 'updated_at', 'slug',
'meta_title', 'meta_description', 'meta_image']
read_only_fields = ['id', 'created_at', 'updated_at', 'author', 'slug']
lookup_field = 'slug'
extra_kwargs = {
'url': {'lookup_field': 'slug'}
}
# Serialized do przesłanych obrazów
class UploadedImageSerializer(serializers.ModelSerializer):
url = serializers.SerializerMethodField()
file_size_display = serializers.SerializerMethodField()
image = serializers.ImageField(required=True)
class Meta:
model = UploadedImage
fields = [
'id',
'title',
'image',
'url',
'uploaded_at',
'file_size',
'file_size_display',
'category',
'description',
]
read_only_fields = ['file_size', 'uploaded_at', 'url']
def get_url(self, obj):
request = self.context.get('request')
if obj.image and hasattr(obj.image, 'url'):
return request.build_absolute_uri(obj.image.url) if request else obj.image.url
return None
def get_file_size_display(self, obj):
print(f"Rozmiar pliku: {obj.file_size}")
size = obj.file_size
if size is None:
return "0 B" # albo return None
for unit in ['B', 'KB', 'MB', 'GB']:
if size < 1024.0:
return f"{size:.1f} {unit}"
size /= 1024.0
return f"{size:.1f} TB"
def validate_image(self, value):
if not value:
raise serializers.ValidationError("Image file is required.")
return value
url = serializers.SerializerMethodField()
file_size_display = serializers.SerializerMethodField()
image = serializers.ImageField(required=True)
def get_url(self, obj):
request = self.context.get('request')
if obj.image and hasattr(obj.image, 'url'):
return request.build_absolute_uri(obj.image.url) if request else obj.image.url
return None
def get_file_size_display(self, obj):
"""Convert bytes to human readable format"""
for unit in ['B', 'KB', 'MB', 'GB']:
if obj.file_size < 1024.0:
return f"{obj.file_size:.1f} {unit}"
obj.file_size /= 1024.0
return f"{obj.file_size:.1f} TB"
def validate_image(self, value):
if not value:
raise serializers.ValidationError("Image file is required.")
return value
def validate_category(self, value):
if not Category.objects.filter(id=value.id if isinstance(value, Category) else value).exists():
raise serializers.ValidationError("Wybrana kategoria nie istnieje.")
return value

7
backend/content/tests.py
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@ -1,4 +1,3 @@
#Obsługa testów dla aplikacji content from django.test import TestCase
from django.test import TestCase
# Create your tests here.
# Create your tests here.

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backend/content/urls.py
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@ -1,18 +1,14 @@
#Obsługa ścieżek dla aplikacji content. from rest_framework.routers import DefaultRouter
from django.urls import path, include
from rest_framework.routers import DefaultRouter from .views import PostViewSet, CommentViewSet, PageViewSet, CategoryViewSet, UploadedImageViewSet, TagViewSet
from django.urls import path, include
from .views import PostViewSet, CommentViewSet, PageViewSet, CategoryViewSet, UploadedImageViewSet, TagViewSet, SearchView router = DefaultRouter()
router.register(r'posts', PostViewSet, basename='post')
router = DefaultRouter() router.register(r'comments', CommentViewSet, basename='comment')
router.register(r'posts', PostViewSet, basename='post') router.register(r'pages', PageViewSet, basename='page')
router.register(r'comments', CommentViewSet, basename='comment') router.register(r'categories', CategoryViewSet, basename='category')
router.register(r'pages', PageViewSet, basename='page') router.register(r'images', UploadedImageViewSet, basename='image')
router.register(r'categories', CategoryViewSet, basename='category') router.register(r'tags', TagViewSet, basename='tag')
router.register(r'images', UploadedImageViewSet, basename='image') urlpatterns = [
router.register(r'tags', TagViewSet, basename='tag') path('', include(router.urls)),
]
urlpatterns = [
path('', include(router.urls)),
path('search/', SearchView.as_view(), name='search'),
]

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backend/content/views.py
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@ -1,288 +1,202 @@
#Obsługa widoków dla aplikacji content. from rest_framework import viewsets, status, filters
import os from rest_framework.response import Response
from rest_framework.decorators import action
from django.conf import settings from django_filters.rest_framework import DjangoFilterBackend
from django.contrib.auth import get_user_model from .models import Post, Comment, Page, Category, UploadedImage, Tag
from django.db.models import Q from .serializers import PostSerializer, CommentSerializer, PageSerializer, CategorySerializer, UploadedImageSerializer, TagSerializer
from django.shortcuts import get_object_or_404 from users.permissions import IsAuthorOrReadOnly, IsEditorOrAdmin
from django.utils import timezone from rest_framework.permissions import IsAuthenticatedOrReadOnly
from rest_framework.parsers import MultiPartParser, FormParser
from rest_framework import viewsets, status, filters, serializers from django.conf import settings
from rest_framework.views import APIView from rest_framework import serializers
from rest_framework.response import Response
from rest_framework.decorators import action class PostViewSet(viewsets.ModelViewSet):
from rest_framework.permissions import ( """
IsAuthenticated, API endpoint for managing blog posts.
IsAuthenticatedOrReadOnly,
AllowAny, list:
) Return a list of all posts. Results can be filtered by:
from rest_framework.parsers import JSONParser, MultiPartParser, FormParser - status (draft/pending/published)
- author
from django_filters.rest_framework import DjangoFilterBackend - category
- created_at (date range)
from .models import (
Post, create:
Comment, Create a new post. Requires authentication and appropriate permissions.
Page,
Category, retrieve:
UploadedImage, Return the details of a specific post by ID.
Tag,
) update:
from .serializers import ( Update all fields of a specific post. Requires authentication and appropriate permissions.
PostSerializer,
CommentSerializer, partial_update:
PageSerializer, Update one or more fields of a specific post. Requires authentication and appropriate permissions.
CategorySerializer,
UploadedImageSerializer, destroy:
TagSerializer, Delete a specific post. Requires authentication and appropriate permissions.
) """
from users.permissions import IsAuthorOrReadOnly, IsEditorOrAdmin, IsAdminOrReadOnly queryset = Post.objects.all()
serializer_class = PostSerializer
# Obsługa logiczna widoku dla postów permission_classes = [IsAuthorOrReadOnly]
class PostViewSet(viewsets.ModelViewSet): filter_backends = [DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter]
queryset = Post.objects.all() filterset_fields = ['status', 'author', 'category']
serializer_class = PostSerializer search_fields = ['title', 'content']
permission_classes = [IsAdminOrReadOnly] ordering_fields = ['created_at', 'updated_at', 'title']
filter_backends = [DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter] ordering = ['-created_at']
filterset_fields = ['status', 'author', 'category'] lookup_field = 'slug'
search_fields = ['title', 'content']
ordering_fields = ['created_at', 'updated_at', 'title'] def perform_create(self, serializer):
ordering = ['-created_at'] serializer.save(author=self.request.user)
lookup_field = 'slug'
def get_queryset(self):
def perform_create(self, serializer): queryset = Post.objects.all()
serializer.save(author=self.request.user) if not self.request.user.is_authenticated:
queryset = queryset.filter(status='published')
def get_queryset(self): elif not self.request.user.role in ['admin', 'moderator']:
queryset = Post.objects.all() queryset = queryset.filter(
if not self.request.user.is_authenticated: status='published'
queryset = queryset.filter(status='published') ) | Post.objects.filter(
elif not self.request.user.role in ['admin', 'moderator']: author=self.request.user
queryset = queryset.filter( )
status='published' return queryset
) | Post.objects.filter( def perform_update(self, serializer):
author=self.request.user print(serializer.validated_data)
) return super().perform_update(serializer)
return queryset class CommentViewSet(viewsets.ModelViewSet):
def perform_update(self, serializer): """
print(serializer.validated_data) API endpoint for managing comments on posts and pages.
return super().perform_update(serializer)
list:
# Obsługa komentarzy do postów i stron Return a list of all comments. Results can be filtered by:
""" - post_id
API endpoint for managing comments on posts and pages. - page_id
- author
list: - approved status
Return a list of all comments. Results can be filtered by:
- post_id create:
- page_id Create a new comment. Requires authentication.
- author
- approved status retrieve:
Return the details of a specific comment by ID.
create:
Create a new comment. Requires authentication. update:
Update all fields of a specific comment. Requires authentication and appropriate permissions.
retrieve:
Return the details of a specific comment by ID. partial_update:
Update one or more fields of a specific comment. Requires authentication and appropriate permissions.
update:
Update all fields of a specific comment. Requires authentication and appropriate permissions. destroy:
Delete a specific comment. Requires authentication and appropriate permissions.
partial_update: """
Update one or more fields of a specific comment. Requires authentication and appropriate permissions. queryset = Comment.objects.all()
serializer_class = CommentSerializer
destroy: permission_classes = [IsAuthorOrReadOnly]
Delete a specific comment. Requires authentication and appropriate permissions. filter_backends = [DjangoFilterBackend, filters.OrderingFilter]
""" filterset_fields = ['post', 'page', 'author', 'approved']
class CommentViewSet(viewsets.ModelViewSet): ordering_fields = ['created_at']
queryset = Comment.objects.all() ordering = ['-created_at']
serializer_class = CommentSerializer
permission_classes = [IsAuthorOrReadOnly] def perform_create(self, serializer):
filter_backends = [DjangoFilterBackend, filters.OrderingFilter] serializer.save(author=self.request.user)
filterset_fields = ['post', 'page', 'author', 'approved']
ordering_fields = ['created_at'] def get_queryset(self):
ordering = ['-created_at'] queryset = Comment.objects.all()
if not self.request.user.is_authenticated:
def perform_create(self, serializer): queryset = queryset.filter(approved=True)
serializer.save(author=self.request.user) elif not self.request.user.role in ['admin', 'moderator']:
queryset = queryset.filter(
def get_queryset(self): approved=True
queryset = Comment.objects.all() ) | Comment.objects.filter(
if not self.request.user.is_authenticated: author=self.request.user
queryset = queryset.filter(approved=True) )
elif not self.request.user.role in ['admin', 'moderator']: return queryset
queryset = queryset.filter(
approved=True class PageViewSet(viewsets.ModelViewSet):
) | Comment.objects.filter( queryset = Page.objects.all()
author=self.request.user serializer_class = PageSerializer
) permission_classes = [IsEditorOrAdmin]
return queryset filter_backends = [DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter]
filterset_fields = ['status', 'author', 'category']
#obsługa widoków dla stron search_fields = ['title', 'content']
class PageViewSet(viewsets.ModelViewSet): ordering_fields = ['created_at', 'updated_at', 'title']
queryset = Page.objects.all() ordering = ['-created_at']
serializer_class = PageSerializer
permission_classes = [IsEditorOrAdmin] def perform_create(self, serializer):
filter_backends = [DjangoFilterBackend, filters.SearchFilter, filters.OrderingFilter] serializer.save(author=self.request.user)
filterset_fields = ['status', 'author', 'category']
search_fields = ['title', 'content'] def get_queryset(self):
ordering_fields = ['created_at', 'updated_at', 'title'] queryset = Page.objects.all()
ordering = ['-created_at'] if not self.request.user.is_authenticated:
queryset = queryset.filter(status='published')
def perform_create(self, serializer): elif not self.request.user.role in ['admin', 'moderator']:
serializer.save(author=self.request.user) queryset = queryset.filter(
status='published'
def get_queryset(self): ) | Page.objects.filter(
queryset = Page.objects.all() author=self.request.user
if not self.request.user.is_authenticated: )
queryset = queryset.filter(status='published') return queryset
elif not self.request.user.role in ['admin', 'moderator']:
queryset = queryset.filter( class CategoryViewSet(viewsets.ModelViewSet):
status='published' queryset = Category.objects.all()
) | Page.objects.filter( serializer_class = CategorySerializer
author=self.request.user permission_classes = [IsAuthenticatedOrReadOnly]
) filter_backends = [filters.SearchFilter]
return queryset search_fields = ['name', 'slug']
# Obsługa kategorii def get_queryset(self):
class CategoryViewSet(viewsets.ModelViewSet): return Category.objects.all()
queryset = Category.objects.all()
serializer_class = CategorySerializer class UploadedImageViewSet(viewsets.ModelViewSet):
permission_classes = [IsAuthenticatedOrReadOnly] serializer_class = UploadedImageSerializer
filter_backends = [filters.SearchFilter] parser_classes = (MultiPartParser, FormParser)
search_fields = ['name', 'slug']
def get_queryset(self):
def get_queryset(self): return UploadedImage.objects.filter(user=self.request.user)
return Category.objects.all()
def get_serializer_context(self):
# Obsługa przesyłania obrazów context = super().get_serializer_context()
class UploadedImageViewSet(viewsets.ModelViewSet): context['request'] = self.request
serializer_class = UploadedImageSerializer return context
parser_classes = (JSONParser, MultiPartParser, FormParser)
permission_classes = [IsAuthenticated] def perform_create(self, serializer):
# Check daily upload quota (5MB = 5 * 1024 * 1024 bytes)
def get_queryset(self): DAILY_UPLOAD_LIMIT = 5 * 1024 * 1024 # 5MB in bytes
return UploadedImage.objects.filter(user=self.request.user)
# Get current daily upload size
def get_serializer_context(self): current_size = UploadedImage.get_user_daily_upload_size(self.request.user)
context = super().get_serializer_context() file_size = self.request.FILES['image'].size
context['request'] = self.request
return context # Check if upload would exceed daily limit
if current_size + file_size > DAILY_UPLOAD_LIMIT:
def perform_create(self, serializer): raise serializers.ValidationError({
user = self.request.user 'image': 'Daily upload limit (5MB) exceeded. Please try again tomorrow.'
})
# Admin? – zero limitów
if not user.is_staff: try:
# Limit: 5MB dziennie instance = serializer.save(user=self.request.user, file_size=file_size)
DAILY_UPLOAD_LIMIT = 5 * 1024 * 1024
current_size = UploadedImage.get_user_daily_upload_size(user) except Exception as e:
file_size = self.request.FILES['image'].size raise
if current_size + file_size > DAILY_UPLOAD_LIMIT: @action(detail=False, methods=['get'])
raise serializers.ValidationError({ def quota(self, request):
'image': 'Daily upload limit (5MB) exceeded. Try again tomorrow.' DAILY_UPLOAD_LIMIT = 5 * 1024 * 1024 # 5MB in bytes
}) current_size = UploadedImage.get_user_daily_upload_size(request.user)
remaining = max(0, DAILY_UPLOAD_LIMIT - current_size)
# Limit 1 plik / minutę
one_minute_ago = timezone.now() - timezone.timedelta(minutes=1) return Response({
if UploadedImage.objects.filter(user=user, uploaded_at__gte=one_minute_ago).exists(): 'daily_limit': DAILY_UPLOAD_LIMIT,
raise serializers.ValidationError({ 'used': current_size,
'image': 'Upload limit: 1 image per minute.' 'remaining': remaining,
}) 'daily_limit_display': f"{DAILY_UPLOAD_LIMIT / (1024 * 1024):.1f}MB",
'used_display': f"{current_size / (1024 * 1024):.1f}MB",
serializer.save(user=user, file_size=self.request.FILES['image'].size) 'remaining_display': f"{remaining / (1024 * 1024):.1f}MB"
})
def perform_update(self, serializer):
instance = serializer.instance class TagViewSet(viewsets.ModelViewSet):
if instance.user != self.request.user and not self.request.user.is_staff: queryset = Tag.objects.all()
raise serializers.ValidationError("Brak uprawnień do edycji tego pliku.") serializer_class = TagSerializer
serializer.save() permission_classes = [IsAuthenticatedOrReadOnly]
filter_backends = [filters.SearchFilter]
def destroy(self, request, *args, **kwargs): search_fields = ['name', 'slug']
obj = self.get_object()
if obj.user != request.user and not request.user.is_staff:
return Response({'detail': 'Brak uprawnień do usunięcia.'}, status=403)
# Usuń fizyczny plik z dysku
image_path = obj.image.path
if os.path.isfile(image_path):
os.remove(image_path)
obj.delete()
return Response({'detail': 'Plik usunięty.'}, status=200)
@action(detail=False, methods=['get'])
def quota(self, request):
DAILY_UPLOAD_LIMIT = 5 * 1024 * 1024
current_size = UploadedImage.get_user_daily_upload_size(request.user)
remaining = max(0, DAILY_UPLOAD_LIMIT - current_size)
return Response({
'daily_limit': DAILY_UPLOAD_LIMIT,
'used': current_size,
'remaining': remaining,
'daily_limit_display': f"{DAILY_UPLOAD_LIMIT / (1024 * 1024):.1f}MB",
'used_display': f"{current_size / (1024 * 1024):.1f}MB",
'remaining_display': f"{remaining / (1024 * 1024):.1f}MB"
})
# Obsługa tagów
class TagViewSet(viewsets.ModelViewSet):
queryset = Tag.objects.all()
serializer_class = TagSerializer
permission_classes = [IsAuthenticatedOrReadOnly]
filter_backends = [filters.SearchFilter]
search_fields = ['name', 'slug']
class SearchView(APIView):
permission_classes = [AllowAny]
def get(self, request):
query = request.GET.get('q', '').strip()
print("🔎 query:", query)
if not query:
return Response([], status=status.HTTP_200_OK)
results = []
# Szukaj w postach
post_matches = Post.objects.filter(
Q(title__icontains=query) | Q(content__icontains=query)
)[:5]
for post in post_matches:
results.append({
'id': post.id,
'title': post.title,
'slug': post.slug,
'type': 'post'
})
# Szukaj w tagach
tag_matches = Tag.objects.filter(
Q(name__icontains=query)
)[:5]
for tag in tag_matches:
results.append({
'id': tag.id,
'title': tag.name,
'slug': tag.slug,
'type': 'tag'
})
# Szukaj w użytkownikach
User = get_user_model()
user_matches = User.objects.filter(
Q(username__icontains=query) | Q(email__icontains=query)
)[:5]
for user in user_matches:
results.append({
'id': user.id,
'title': user.username,
'slug': str(user.id), # lub `username` jeśli masz slug
'type': 'user'
})
return Response(results)

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backend/core/admin.py
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from django.contrib import admin from django.contrib import admin
# Register your models here. # Register your models here.

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backend/core/apps.py
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from django.apps import AppConfig from django.apps import AppConfig
class CoreConfig(AppConfig): class CoreConfig(AppConfig):
default_auto_field = 'django.db.models.BigAutoField' default_auto_field = 'django.db.models.BigAutoField'
name = 'core' name = 'core'

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backend/core/models.py
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from django.db import models from django.db import models
# Create your models here. # Create your models here.

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backend/core/settings.py
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INSTALLED_APPS = [ INSTALLED_APPS = [
'django.contrib.admin', 'django.contrib.admin',
'django.contrib.auth', 'django.contrib.auth',
'django.contrib.contenttypes', 'django.contrib.contenttypes',
'django.contrib.sessions', 'django.contrib.sessions',
'django.contrib.messages', 'django.contrib.messages',
'django.contrib.staticfiles', 'django.contrib.staticfiles',
'rest_framework', 'rest_framework',
'rest_framework_simplejwt', 'rest_framework_simplejwt',
'rest_framework_simplejwt.token_blacklist', 'rest_framework_simplejwt.token_blacklist',
'corsheaders', 'corsheaders',
'django_filters', 'django_filters',
'users', 'users',
'content', 'content',
] ]
REST_FRAMEWORK = { REST_FRAMEWORK = {
'DEFAULT_AUTHENTICATION_CLASSES': [ 'DEFAULT_AUTHENTICATION_CLASSES': [
'rest_framework_simplejwt.authentication.JWTAuthentication', 'rest_framework_simplejwt.authentication.JWTAuthentication',
], ],
'DEFAULT_PERMISSION_CLASSES': [ 'DEFAULT_PERMISSION_CLASSES': [
'rest_framework.permissions.IsAuthenticated', 'rest_framework.permissions.IsAuthenticated',
], ],
'DEFAULT_FILTER_BACKENDS': [ 'DEFAULT_FILTER_BACKENDS': [
'django_filters.rest_framework.DjangoFilterBackend', 'django_filters.rest_framework.DjangoFilterBackend',
'rest_framework.filters.SearchFilter', 'rest_framework.filters.SearchFilter',
'rest_framework.filters.OrderingFilter', 'rest_framework.filters.OrderingFilter',
], ],
'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination', 'DEFAULT_PAGINATION_CLASS': 'rest_framework.pagination.PageNumberPagination',
'PAGE_SIZE': 10 'PAGE_SIZE': 10
} }
from datetime import timedelta from datetime import timedelta
SIMPLE_JWT = { SIMPLE_JWT = {
'ACCESS_TOKEN_LIFETIME': timedelta(minutes=60), 'ACCESS_TOKEN_LIFETIME': timedelta(minutes=60),
'REFRESH_TOKEN_LIFETIME': timedelta(days=1), 'REFRESH_TOKEN_LIFETIME': timedelta(days=1),
'ROTATE_REFRESH_TOKENS': True, 'ROTATE_REFRESH_TOKENS': True,
'BLACKLIST_AFTER_ROTATION': True, 'BLACKLIST_AFTER_ROTATION': True,
'UPDATE_LAST_LOGIN': False, 'UPDATE_LAST_LOGIN': False,
'ALGORITHM': 'HS256', 'ALGORITHM': 'HS256',
'SIGNING_KEY': SECRET_KEY, 'SIGNING_KEY': SECRET_KEY,
'VERIFYING_KEY': None, 'VERIFYING_KEY': None,
'AUDIENCE': None, 'AUDIENCE': None,
'ISSUER': None, 'ISSUER': None,
'JWK_URL': None, 'JWK_URL': None,
'LEEWAY': 0, 'LEEWAY': 0,
'AUTH_HEADER_TYPES': ('Bearer',), 'AUTH_HEADER_TYPES': ('Bearer',),
'AUTH_HEADER_NAME': 'HTTP_AUTHORIZATION', 'AUTH_HEADER_NAME': 'HTTP_AUTHORIZATION',
'USER_ID_FIELD': 'id', 'USER_ID_FIELD': 'id',
'USER_ID_CLAIM': 'user_id', 'USER_ID_CLAIM': 'user_id',
'USER_AUTHENTICATION_RULE': 'rest_framework_simplejwt.authentication.default_user_authentication_rule', 'USER_AUTHENTICATION_RULE': 'rest_framework_simplejwt.authentication.default_user_authentication_rule',
'AUTH_TOKEN_CLASSES': ('rest_framework_simplejwt.tokens.AccessToken',), 'AUTH_TOKEN_CLASSES': ('rest_framework_simplejwt.tokens.AccessToken',),
'TOKEN_TYPE_CLAIM': 'token_type', 'TOKEN_TYPE_CLAIM': 'token_type',
'TOKEN_USER_CLASS': 'rest_framework_simplejwt.models.TokenUser', 'TOKEN_USER_CLASS': 'rest_framework_simplejwt.models.TokenUser',
'JTI_CLAIM': 'jti', 'JTI_CLAIM': 'jti',
} }

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backend/core/tests.py
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from django.test import TestCase from django.test import TestCase
# Create your tests here. # Create your tests here.

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backend/core/views.py
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from django.shortcuts import render from django.shortcuts import render
# Create your views here. # Create your views here.

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from .formula import FormulaAdmin
from .symbol import SymbolAdmin
from .category import FormulaCategoryAdmin

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from django.contrib import admin
from formulas.models.category import FormulaCategory
@admin.register(FormulaCategory)
class FormulaCategoryAdmin(admin.ModelAdmin):
list_display = ("id", "prefix", "name")
ordering = ("prefix",)
search_fields = ("name",)

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backend/formulas/admin/formula.py
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from django.contrib import admin
from formulas.models.formula import Formula
@admin.register(Formula)
class FormulaAdmin(admin.ModelAdmin):
list_display = ("formula_id", "title", "code", "revision", "category")
list_filter = ("category", "revision")
search_fields = ("formula_id", "title", "code", "description")
readonly_fields = ("code", "created_at")
ordering = ("code",)

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backend/formulas/admin/symbol.py
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from django.contrib import admin
from formulas.models.symbol import Symbol
@admin.register(Symbol)
class SymbolAdmin(admin.ModelAdmin):
list_display = ("symbol_id", "name", "unit", "code", "revision", "category")
list_filter = ("category", "revision")
search_fields = ("symbol_id", "name", "code", "description")
readonly_fields = ("code",)
ordering = ("code",)

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backend/formulas/apps.py
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from django.apps import AppConfig
class FormulasConfig(AppConfig):
default_auto_field = 'django.db.models.BigAutoField'
name = 'formulas'

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# Generated by Django 4.2 on 2025-06-22 11:14
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
import django.utils.timezone
class Migration(migrations.Migration):
initial = True
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
]
operations = [
migrations.CreateModel(
name='FormulaCategory',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('name', models.CharField(max_length=100)),
('prefix', models.PositiveIntegerField(unique=True)),
],
options={
'verbose_name': 'Kategoria wzoru',
'verbose_name_plural': 'Kategorie wzorów',
},
),
migrations.CreateModel(
name='Symbol',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('symbol_id', models.CharField(max_length=10)),
('name', models.CharField(max_length=255)),
('unit', models.CharField(max_length=50)),
('description', models.TextField(blank=True)),
('tags', models.JSONField(blank=True, default=list)),
('revision', models.PositiveIntegerField(default=1)),
('code', models.CharField(editable=False, max_length=10, unique=True)),
('meta', models.TextField(blank=True)),
('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='formulas.formulacategory')),
],
),
migrations.CreateModel(
name='Formula',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('formula_id', models.CharField(max_length=100)),
('title', models.CharField(max_length=255)),
('description', models.TextField(blank=True)),
('meta', models.TextField(blank=True)),
('tags', models.JSONField(default=list)),
('latex', models.TextField()),
('raw_latex', models.TextField()),
('variables', models.JSONField(default=list)),
('calculator', models.CharField(max_length=100)),
('revision', models.PositiveIntegerField(default=1)),
('code', models.CharField(editable=False, max_length=10, unique=True)),
('created_at', models.DateTimeField(default=django.utils.timezone.now)),
('category', models.ForeignKey(on_delete=django.db.models.deletion.PROTECT, to='formulas.formulacategory')),
('created_by', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL)),
],
),
]

30
backend/formulas/migrations/0002_favoriteformula.py
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# Generated by Django 4.2 on 2025-07-13 19:15
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('formulas', '0001_initial'),
]
operations = [
migrations.CreateModel(
name='FavoriteFormula',
fields=[
('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
('added_at', models.DateTimeField(auto_now_add=True)),
('formula', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='formulas.formula')),
('user', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to=settings.AUTH_USER_MODEL)),
],
options={
'verbose_name': 'Ulubiony wzór',
'verbose_name_plural': 'Ulubione wzory',
'unique_together': {('user', 'formula')},
},
),
]

22
backend/formulas/migrations/0003_remove_formula_variables_formula_symbols.py
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# Generated by Django 4.2 on 2025-07-26 08:17
from django.db import migrations, models
class Migration(migrations.Migration):
dependencies = [
('formulas', '0002_favoriteformula'),
]
operations = [
migrations.RemoveField(
model_name='formula',
name='variables',
),
migrations.AddField(
model_name='formula',
name='symbols',
field=models.ManyToManyField(blank=True, related_name='formulas', to='formulas.symbol'),
),
]

31
backend/formulas/migrations/0004_alter_formula_code_alter_formula_created_by_and_more.py
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# Generated by Django 4.2 on 2025-08-07 07:57
from django.conf import settings
from django.db import migrations, models
import django.db.models.deletion
class Migration(migrations.Migration):
dependencies = [
migrations.swappable_dependency(settings.AUTH_USER_MODEL),
('formulas', '0003_remove_formula_variables_formula_symbols'),
]
operations = [
migrations.AlterField(
model_name='formula',
name='code',
field=models.CharField(max_length=10, unique=True),
),
migrations.AlterField(
model_name='formula',
name='created_by',
field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.SET_NULL, to=settings.AUTH_USER_MODEL),
),
migrations.AlterField(
model_name='formula',
name='symbols',
field=models.ManyToManyField(related_name='formulas', to='formulas.symbol'),
),
]

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backend/formulas/models/__init__.py
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from .formula import Formula
from .symbol import Symbol
from .category import FormulaCategory
__all__ = [
"Formula",
"Symbol",
"FormulaCategory",
]

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backend/formulas/models/category.py
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from django.db import models
class FormulaCategory(models.Model):
name = models.CharField(max_length=100)
prefix = models.PositiveIntegerField(unique=True) # cyfra `x` w kodzie xyz
class Meta:
verbose_name = "Kategoria wzoru"
verbose_name_plural = "Kategorie wzorów"
def __str__(self):
return f"{self.prefix} - {self.name}"

17
backend/formulas/models/favorite.py
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# backend/formulas/models/favorite_formula.py
from django.db import models
from django.conf import settings
from formulas.models.formula import Formula
class FavoriteFormula(models.Model):
user = models.ForeignKey(settings.AUTH_USER_MODEL, on_delete=models.CASCADE)
formula = models.ForeignKey(Formula, on_delete=models.CASCADE)
added_at = models.DateTimeField(auto_now_add=True)
class Meta:
unique_together = ('user', 'formula')
verbose_name = "Ulubiony wzór"
verbose_name_plural = "Ulubione wzory"
def __str__(self):
return f"{self.user.username} ❤️ {self.formula.code}"

38
backend/formulas/models/formula.py
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from django.db import models
from .category import FormulaCategory
from users.models import User
from django.utils import timezone
from .symbol import Symbol
class Formula(models.Model):
formula_id = models.CharField(max_length=100)
title = models.CharField(max_length=255)
description = models.TextField(blank=True)
meta = models.TextField(blank=True)
category = models.ForeignKey(FormulaCategory, on_delete=models.PROTECT)
tags = models.JSONField(default=list)
latex = models.TextField()
raw_latex = models.TextField()
symbols = models.ManyToManyField(Symbol, related_name='formulas')
calculator = models.CharField(max_length=100)
revision = models.PositiveIntegerField(default=1)
code = models.CharField(max_length=10, unique=True)
created_by = models.ForeignKey(User, on_delete=models.SET_NULL, null=True)
created_at = models.DateTimeField(default=timezone.now)
def save(self, *args, **kwargs):
if not self.code:
base_prefix = f"{self.category.prefix:02d}"
existing_codes = Formula.objects.filter(category=self.category).values_list('code', flat=True)
index = 1
while True:
proposed_code = f"{base_prefix}{index:02d}{self.revision:02d}"
if proposed_code not in existing_codes:
self.code = proposed_code
break
index += 1
super().save(*args, **kwargs)
def __str__(self):
return f"{self.title} ({self.code})"

25
backend/formulas/models/symbol.py
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from django.db import models
from .category import FormulaCategory
class Symbol(models.Model):
symbol_id = models.CharField(max_length=10) # np. F
name = models.CharField(max_length=255)
unit = models.CharField(max_length=50)
description = models.TextField(blank=True)
category = models.ForeignKey(FormulaCategory, on_delete=models.PROTECT)
tags = models.JSONField(default=list, blank=True)
revision = models.PositiveIntegerField(default=1)
code = models.CharField(max_length=10, unique=True, editable=False)
meta = models.TextField(blank=True) # np. meta-opis dla SEO / edytora
#Zaspis zmiennej z code
def save(self, *args, **kwargs):
if not self.code:
count = Symbol.objects.filter(category=self.category).count() + 1
self.code = f"{self.category.prefix:02d}{count:02d}{self.revision:02d}"
super().save(*args, **kwargs)
#Definiowanie czym jest "self"
def __str__(self):
return f"{self.name} ({self.symbol_id}) [{self.code}]"

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backend/formulas/permissions.py
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from rest_framework.permissions import BasePermission
class IsAdminOrEditor(BasePermission):
def has_permission(self, request, view):
return request.method in ("GET", "HEAD", "OPTIONS") or (
request.user and request.user.is_authenticated and (
request.user.is_superuser or getattr(request.user, "role", None) == "editor"
)
)

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backend/formulas/serializers/__init__.py
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from .formula import FormulaSerializer
from .symbol import SymbolSerializer
from .category import FormulaCategorySerializer
__all__ = [
"FormulaSerializer",
"SymbolSerializer",
"FormulaCategorySerializer",
]

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backend/formulas/serializers/category.py
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from rest_framework import serializers
from formulas.models.category import FormulaCategory
class FormulaCategorySerializer(serializers.ModelSerializer):
class Meta:
model = FormulaCategory
fields = '__all__'

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backend/formulas/serializers/formula.py
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from rest_framework import serializers
from formulas.models.formula import Formula
class FormulaSerializer(serializers.ModelSerializer):
class Meta:
model = Formula
fields = "__all__"
read_only_fields = ('code', 'created_by', 'created_at')

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backend/formulas/serializers/symbol.py
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# backend/formulas/serializers/symbol.py
from rest_framework import serializers
from formulas.models.symbol import Symbol
class SymbolSerializer(serializers.ModelSerializer):
class Meta:
model = Symbol
fields = "__all__"

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backend/formulas/tests.py
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from django.test import TestCase
# Create your tests here.

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backend/formulas/urls.py
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from django.urls import path, include
from rest_framework.routers import DefaultRouter
from .views import SymbolViewSet, FormulaViewSet, FormulaCategoryViewSet
# 🔧 Router z obsługą lookup_field='code'
class LookupByCodeRouter(DefaultRouter):
def get_lookup_regex(self, viewset, lookup_prefix=''):
if hasattr(viewset, 'lookup_field') and viewset.lookup_field == 'code':
return r'(?P<code>[^/.]+)'
return super().get_lookup_regex(viewset, lookup_prefix)
router = LookupByCodeRouter()
router.register(r'symbols', SymbolViewSet, basename='symbol')
router.register(r'formulas', FormulaViewSet, basename='formula')
router.register(r'formulascategories', FormulaCategoryViewSet, basename='category')
urlpatterns = [
path('', include(router.urls)),
]

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backend/formulas/views/__init__.py
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from .formula import FormulaViewSet
from .symbol import SymbolViewSet
from .category import FormulaCategoryViewSet
from .favorite import FavoriteFormulaViewSet
__all__ = [
"FormulaViewSet",
"SymbolViewSet",
"FormulaCategoryViewSet",
"FavoriteFormulaViewSet",
]

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