Linux Way Kungfu it blog

пятница, 25 декабря 2020 г.

Django rest first application, Show Post RetrieveAPIView. Part 4

github
https://github.com/manas-anarov/django_3_ninja/tree/4_part

blog/views.py
from .serializers import (
    ListSerializer,
    AddSerializer,
    ShowSerializer,
)

from rest_framework.generics import (
    ListAPIView,
    CreateAPIView,
    RetrieveAPIView,
)

from blog.models import Post

class ShowPost(RetrieveAPIView):
    queryset = Post.objects.all()
    serializer_class = ShowSerializer
    lookup_field = 'id'

blog/serializers.py
class ShowSerializer(ModelSerializer):
    class Meta:
        model = Post
        fields = [
            'id',
            'title',
            'text',
        ]

blog/urls.py
urlpatterns = [
    path('list/', views.PostListAPIView.as_view(), name='blog-list'),
    path('add/', views.AddPost.as_view(), name='blog-add'),
    path('<id>/', views.ShowPost.as_view(), name='blog-show'),
]

open link
http://localhost:8000/api/v1/post/list

show one post
http://localhost:8000/api/v1/post/1

Upload files to django rest framework using react native

Uploading file using api in django rest framework. PythonAnywhere
https://youtu.be/BLN3EPjxQ_E

App.js
import React, { Component } from 'react';
import {
AppRegistry,
StyleSheet,
Text,
View,
Button,
} from 'react-native';

export default class MyApp extends Component {

upload_image_to_django (){

    PicturePath = "file:///storage/emulated/0/Download/myfoto.jpg";
    URLpath = "http://manas93.pythonanywhere.com/file/upload/";

    var formData = new FormData();
    formData.append("file", {uri: PicturePath, name: 'myfoto.jpg', type: 'image/jpg'});
    formData.append("remark", "Hello");

    fetch( URLpath, {
      method: 'POST',
      headers: {
        'Accept': 'application/json',
        'Content-Type': 'multipart/form-data',
      },
      body: formData
     })
    .then((responseJson) => {
      console.log(responseJson);
    })
    .catch(error => {
      console.log(error);
    })

}

render() {
    return (
      <View style={styles.content}>
      <Button
        title="My Button"
        onPress={this.upload_image_to_django}
      />
      </View>
    );
}

}

var styles = StyleSheet.create({
    content:{
        flex:1,
        flexDirection:'row',
        alignItems:'center',
        justifyContent:'center'
    }
});

Django rest first application, Create Post CreateAPIView. Part 3

github
https://github.com/manas-anarov/django_3_ninja/tree/3_part

blog/views.py
from .serializers import (
    ListSerializer,
    AddSerializer,
)

from rest_framework.generics import (
    ListAPIView,
    CreateAPIView,
)

from blog.models import Post

class AddPost(CreateAPIView):
    serializer_class = AddSerializer
    queryset = Post.objects.all()

blog/serializers.py
lass AddSerializer(ModelSerializer):
    class Meta:
        model = Post
        fields = [
            'title',
            'text',
        ]

blog/urls.py
urlpatterns = [
    path('list/', views.PostListAPIView.as_view(), name='blog-list'),
    path('add/', views.AddPost.as_view(), name='blog-add'),
]

open link
http://localhost:8000/api/v1/post/list

create post
http://localhost:8000/api/v1/post/add

понедельник, 21 декабря 2020 г.

Django rest first application, Show All Posts ListApiView. Part 2

open project folder
cd django_3_ninja

activate
pipenv shell

open folder
cd ninja_django

create app
python manage.py startapp blog

settings.py
INSTALLED_APPS = [
    'blog',
]

blog/models.py
from django.db import models

class Post(models.Model):
    timestamp = models.DateTimeField(auto_now=False, auto_now_add=True)
    title = models.CharField(max_length=200)
    text = models.CharField(max_length=500)

    def __str__(self):
        return self.title

blog/views.py
from .serializers import (
    ListSerializer,
)

from rest_framework.generics import (
    ListAPIView,
)

from blog.models import Post

class PostListAPIView(ListAPIView):
    serializer_class = ListSerializer
    queryset = Post.objects.all()

blog/serializers.py
from rest_framework.serializers import (
    ModelSerializer,
)
from blog.models import Post

class ListSerializer(ModelSerializer):
    class Meta:
        model = Post
        fields = [
            'id',
            'title',
            'text',
        ]

ninja_django/urls.py
from django.contrib import admin
from django.urls import path
from django.conf.urls import include

urlpatterns = [
    path('admin/', admin.site.urls),
    path('api/v1/post/', include(('blog.urls', 'blog'), namespace='blog')),
]

blog/urls.py
from blog import views
from django.urls import path

urlpatterns = [
path('list/', views.PostListAPIView.as_view(), name='blog-list'),
]

install djangorestframework
pipenv install djangorestframework

settings.py
INSTALLED_APPS = [
'rest_framework',
]

blog/admin.py
from django.contrib import admin
from blog.models import Post

admin.site.register(Post)

create db
python manage.py makemigrations;
python manage.py migrate;

start server
python manage.py runserver;

create admin user
python manage.py createsuperuser

create post
http://localhost:8000/admin

open link
http://localhost:8000/api/v1/post/list

github
https://github.com/manas-anarov/django_3_ninja/tree/2_part

вторник, 15 декабря 2020 г.

Django rest first application, install Django3. Part 1

install virtual envoirment
pip3 install pipenv

create folder
mkdir django_3_ninja;
cd django_3_ninja;

install env for project
pipenv install

activate
pipenv shell

install django

pipenv install django~=3.1.4

start django project
django-admin startproject ninja_django;

cd ninja_django;

start server
python manage.py runserver;

open next link

http://127.0.0.1:8000/

github

https://github.com/manas-anarov/django_3_ninja/tree/1_part

суббота, 12 декабря 2020 г.

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