app.py

from flask import Flask
from flask import render_template
from flask import request
import requests
import json

app = Flask(__name__)


@app.route('/')
def index():
	
	
	return render_template('./index.html', test='')

@app.route('/res', methods=['POST', 'GET'])
def res():
	search = request.form['search']
	
	
	
	url= 'https://api.hatchways.io/assessment/blog/posts?tag='+search
	try:
		res = requests.get(url).json()
		res = res['posts']
		#res = json.loads(res)
		ilist = []
		for i in res:
			ilist.append(i)
		option = request.form['order']
		if option =='asc':
			ilist.sort(key=lambda x: x.get('tags'))
		elif option == 'dsc':
			ilist.sort(key=lambda x: x.get('tags'), reverse=True)
		
		
		if not ilist:
			output = '{<br>'
			output = output + '"error": "Tags parameter is required" <br>'
			output = output + '}'
			return output
		
		return render_template('./res.html', test=ilist)

	except requests.ConnectionError:
		return "Connection Error"
	
if __name__ == '__main__':
    app.run(debug=True)