Call Data Records Reports

We are using a Voice Over IP PBX that dumps all its CDR\'s into MongoDB i need someone to develop a website to run a simple report 1) create a date picker (start & end date) 2) select Extension Number from a dropdown list, the dropdown list should be populated based on all available values thats in the DB 3) a \"Run Report\" Button it will generate a report on the GUI showing all Calls next to each call add a Details button to show the details of that call also be able to download the report on a PDF and a Excel list the report should show: Total Incoming Calls Total Answered Calls Total Calls that Ended in Voice Mailbox Total unanswered calls , but also was not answered by a mailbox etc, AKA a Missed call Total Outgoing calls FYI our web site uses this theme [login to view URL] so it should be build with keeping in mind we need to add it to our existing c# project (by our existing developer)