This project exposes following functions

• findDistanceOfPointsFromCity
• setCustomerRecords
• setOriginPointLocation
• setRangeToFilterCustomer

Simply importing and executing the function findDistanceOfPointsFromCity , will give a Json Array object of all customer records which are within 100 Km range of Dublin( GPS coordinates 53.339428, -6.257664 ) which are sorted in ascending order of the user-id.

But following other methods allow the project to be configured , in case you wish to change the city coordinates or wan to change the range , etc

• setRangeToFilterCustomer - This method takes as input the range in km to be configured. Thus the range can be 40km or 60 km etcwhich depends on the input besides 100km
• setCustomerRecords - This method takes as input a list of customer records in JSON Array object over which the search operation for food and drinks will take place .
• setOriginPointLocation - This method allows the latitude,longitude of a different city to be passed in , so that the search operation origin can be different than Dublin as per the needs . This method takes 3 fields as inputs Latitude,Longitude ,Name of City