server.py

from flask import Flask, render_template, request
from search import search

app = Flask(__name__)


@app.route('/', methods=['POST', 'GET'])
def search_box():
    if request.method == 'POST':
        query = request.form['search_term']
        type_of_query = request.form['type_query']

        res = search(query, type_of_query)
        if isinstance(res, str):
            hits = []
            aggs = {}
            num_results = 0
        else:
            hits = res['hits']['hits']
            aggs = res['aggregations']
            num_results = len(hits)

        return render_template('index.html', query=query, hits=hits, num_results=num_results, aggs=aggs)

    if request.method == 'GET':
        return render_template('index.html', init='True')


if __name__ == "__main__":
    app.run(host='0.0.0.0', port=3000, debug=True)