Fixing Existing CodeIgniter base POS (Point of Sale) some error and Import New Feature

1. changing purchase work flow Purchase: When make purchase not direct make purchase there should be separate by status make purchase order first re check modify incase when item deliver not deliver all quantity by supplier so must make check quantity and all add item or remove item once all ok make purchase from purchase order once purchase then quantity will be update 2. changing transfer work flow Transfer : when store will required item they will make transfer request to warehouse request will receive warehouse as per user permission responsible user will get the purchase order he can edit or modify then after send order he will submit the purchase quantity will not update until now to store store manager will accept the item he has to accept the item from system may be there is less quantity or some damage item so if less quantity or damage item he will edit quantity it will wait for approval by manager inventory manager can approve the edited transfer order then transfer order will be available for accept by store manager once he accept quantity will be update Add product > make purchase > inventory come to warehouse > then make transfer If making Physical inventory > prepare physical inventory excel > then upload to application as per application format generate report of difference old and existing quantity and apply adjustment then system will update inventory 3. Apply Discount Management Module Discount management because discount to be dynamic for that need so you generate a price group let say there will be actual price in pricegroup1 then you make price group two you import all product there with discount price so system will always calculate based on price group1 so when you make a store in price group 2 they item will come in discount but it will always show before and current price in invoice Price Level or group management based on price group in setting (so when I apply discount to particular store, I can set price level or group for that store) 4. Apply Price group System properly so based on store i can select price group by this i will apply apply price group store level 6. Apply E-invoice system as per government rule related to E-invoice task necessary thing to change in application for example implement xml base invoice implement security feature like take out delete sale option replace it with credit and debit note detail guide line will provide 7. most important i have speed issue with bulk product application is slow when product is more than 50 thousand when i try to import 2000 or 3000 product i cant do and when system has 50 thousand product application get slow also if 10 or 15 branch connect same time and try to make sale system get very slow each scan take long time fixing this and Testing Whole System for Error related to account and technical level ********** Download the Attached file i explain there all there is other point also Bid only if you Experienced in POS application bid with Demo Link ******** only bid if you have Done POS application with demo link