Flutter with msql for android and IOS

my project is for a mobile pos app for android and ios using flutter and MySQL. Need full source code of the project not single use app. Requirments 01 – clients : Gives you the list of all clients, by clicking on a client name. a list of all purchases will be displayed with date and amount. On the bottom right corner floating icon button (+) to add new client Client info : name, tel, address, GPS 02 - suppliers Same as client, only different thing is from clients to suppliers Supplier info : name, tel, address, GPS 03 - Products Gives you the list of products with quantity available at the right side. By clicking on a product a list of all products movement is displayed (purchase or sell) On the bottom right corner floating icon button (+) to add new product. 04 - SELLS Gives you the list of all clients orders and return orders with name of client date and amount, by clicking on an order you will have the details of order. On the bottom right corner floating icon button (+) to add new order or return order Order page should have the following items, (client, product name, unit price (unit price can be modified on the order), quantity and total amount of each product. At the end of order you will have total of all products with the ability to have discount or tax and on the final end the net total. By confirming the order a floating window to confirm the amount of payment. Can be from 0 to total amount. After order is finilised it can be printed on blutooth printer 05 – PURCHASES Same as sells but only purchases 06 – debts Clients panel will have the list of payments (amount from order once finilised) and orders and same for suppliers On each there is a possibility to add a payment or order. 07 – dashboard : 08 – STOCK : List of products with quantity and value of quantity available for each product and also value of total quantity of all stock 09 – Cash register : List of money movements, payments to supplier, payment from clients, expenses. 10 – reports 11 – setting Profile currency Users : Ability to add a user by choosing what informations he can access Language Printing settings (chosing printer and size of paper) Subscription expiry date. Cpanel dashbord to manage clients subscription