Custom Drupal Module

Hi, I want to create a custom module for Drupal that can integrate with Drupal 7. What I need? Master Data Form Screen for: Create/Update Customer * This forms needs to require admin role user logged. * Fields: - Custumer ID - string (20) unique - Custumer Name - string (60) unique - Customer Phone Number - string (15) - Customer Contact Name - string (60) - Customer E-mail - string (120) - Customer Account Manager User - relationship with User (just Users with Account Manager role) * Adding a new field in User table to relationship the User with the Customer * Adding 2 new roles called: Customer and Account Manager, to make available for users. Create/Update Delivery Request * This forms needs to require customer role user logged. * Fields: - Request Date - date - Request Hour - time - Notes - string - Carrier type - could be ( car | motorcycle | truck ) - Customer - relationship with customer - this field needs to be filled automatically - this field needs to be invisible * Actions: - After create a new Delivery Request send an e-mail to: customer user e-mail and account manager user e-mail for notice the new delivery request, this e-mail needs to contain the fields about the delivery request. - After update an existing Delivery Request send an e-mail to: customer user e-mail and account manager user e-mail for notice the updated delivery request, this e-mail needs to contain the fields about the old and new delivery request. JSON method for: Create/Update Delivery Tracking * Fields: - Delivery Tracking ID - integer - Delivery Tracking # - string (20) - Delivery Tracking Departure Date - date and time - Delivery Tracking Registration # - string (20) - Delivery Tracking Receiver Name - string (60) - Delivery Tracking Status - string (60) - Delivery Tracking Arrived Date - date and time - Delivery Tracking Receiver Zipcode - string (20) - Delivery Tracking Type - string (20) - Delivery Tracking Value - decimal - Delivery Tracking AR - image file - Customer - relationship with customer * Rules - For call this JSON method it needs to send an valid admin user and password - Need to create a logical to decide if it is update or create record, use the field Delivery Tracking ID to do that. - If the customer choose the Monitoring by E-mail option (you can see about that below) and the field Delivery Tracking Status is changing it need to send an e-mail to customer user e-mail. Filter and Grid Form Screen for: Delivery Tracking * This forms needs to require user logged. * Filters - Delivery Tracking Departure Date - From .. To .. - Delivery Tracking Arrived Date - From .. To .. - Delivery Tracking # - User can fill many Delivery Tracking #, you need to separete all these word ( " ", "-", ";", "," and "/" ) - Delivery Tracking Registration # - User can fill many Delivery Tracking Registration #, you need to separete all these word ( " ", "-", ";", "," and "/" ) - Delivery Tracking Receiver Zipcode - Delivery Tracking Type Important: For Users with customer role show only Delivery Tracking of this customer. * Grid * Columns: - Delivery Tracking # - Delivery Tracking Departure Date - Delivery Tracking Registration # - Delivery Tracking Receiver Name - Delivery Tracking Status - Delivery Tracking Arrived Date - Delivery Tracking Receiver Zipcode - Delivery Tracking Type - Delivery Tracking Value - Delivery Tracking AR - make a button, when click the button open the image file. * Exporting Grid Data - Add a column Export in grid, this column you don't need to save in the database, you'll use this just to export data. - Add a button bellow of the grid to export all data checked to excel (xlsx) file, in this file don't need to export the column Delivery Tracking AR. * Monitoring by E-mail - Add a column Monitoring by E-mail in grid and make available to check and uncheck, when the user check this column need to save what the user checked that to send e-mails with update.