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path: root/day9/task5_vue/backend/core/server.py
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from http.server import HTTPServer, BaseHTTPRequestHandler
from urllib.parse import parse_qs

from backend.core.router import run
from backend.core.utils import parse_multipart_form
from backend.logger import Logger

import json


class MyHTTPRequestHandler(BaseHTTPRequestHandler):
    def _set_response(self, code, content_type):
        self.send_response(code)
        self.send_header('Content-type', content_type)
        self.end_headers()

    def do_GET(self):
        try:
            content_length = int(self.headers['Content-Length'])
            get_data = parse_qs(self.rfile.read(content_length).decode('utf-8'))
        except TypeError:
            get_data = {}

        for key in get_data:
            get_data[key] = get_data[key][0]

        self.finalize_request(run({
            'url': self.path,
            'method': 'GET',
            'query': get_data
        }))

    def do_POST(self):
        content_length = int(self.headers['Content-Length'])
        content_type = self.headers['Content-type']
        post_data = self.rfile.read(content_length)
        query = {}

        if content_type.split(';')[0] == 'multipart/form-data':
            query = {'files': parse_multipart_form(post_data)}

        elif content_type.split(';')[0] in ['text/plain', 'application/x-www-form-urlencoded']:
            query = parse_qs(post_data.decode('utf-8'))
            for key in query:
                query[key] = query[key][0]

        elif content_type.split(';')[0] == 'application/json':
            query = json.loads(post_data.decode('utf-8'))

        self.finalize_request(run({
            'url': self.path,
            'method': 'POST',
            'query': query
        }))

    def finalize_request(self, response):
        self._set_response(response.status_code, response.content_type)
        self.wfile.write(response.content)


def start_server(host, port):
    server_address = (host, port)
    httpd = HTTPServer(server_address, MyHTTPRequestHandler)
    Logger.get_logger().info(f'Server started on {host}:{port}')
    httpd.serve_forever()