---

rapid_api_integration

Pre-requisites

1. Node(>=11.12.0) and npm(>=6.7.0) installed
2. mysql server and memcache server

Guide to setup

1. Get the maxmind key [maxmind.com].
2. Run below command by replacing <YOUR_LICENSE_KEY> with your personal key :

cd node_modules/geoip-lite && npm run-script updatedb license_key=YOUR_LICENSE_KEY

3. Create database in mysql server by running below command :

create database news_analysis

4. Run npm install
5. Run below command to run migrations :

npm run migrations

6. Start memcache server :

memcached -p 11211 -d

7. Open the terminal and set the environment variables(On mac).

source environment.sh

8. Import apis present under postman folder in postman application.
9. Start the server by running below command :

node app.js

Overview:

1. For get-news api, node-cache is used to cache the response for 24-hours.
2. For get-news-analysis api, memcache is used to cache the response.
3. There is a background script which fetches the top symbol request in minutes(configured in environment variable POPULAR_SYMBOL_VS_COUNTRY_COUNT) and updates the cache.
4. For both the apis, worst case response time is 150ms and average is less than 100ms.