Create an admin Panel with server automatic response

I need the exact concept of this availability website that has to be adapted to our website. [login to view URL] once the user-1(owner of the property) has selected availability and once upload to the server change the ID3 tag information to match what the user has typed in the web form. This should be a one file at a time operation and. Once the file is upload the both the user & us should be emailed that the file has been uploaded and show the information that has been written to the file with current date/time. Another requirement is that once the availability is confirmed to the user-2 (final customer) we will be able to create an automatic invoice document based on the price of the specific period selected and requested from the user-2 (final customer). If you use any third part controls please make sure they are free or that you can provide the source code to. To be considered for this project please submit samples of your previous work. Payment will only be released after we approve the result of work. Thank you, eagerly waiting for your bids!