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complete php order form with discount code check

This project was awarded to dzmitrij for $50 USD.

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Project Budget
$30 - $250 USD
Total Bids
22
Project Description

This is our initial position:

- there are two simple php files: php1 for an orderform, php2 for checking and confirmation

- php1 is an order form, where the customer can put in his address before ordering.

- there is also a field for "discount code". If the customer has a discount code, he can put it herein to get a discount.

- with a submit button, the php2 is called.

- php2 checks address data for completness.

- check is done with simple "if" queries

- if the address is incomplete, it goes back to order form

- if the address is ok, order will be sent

- discount code is checked manually

-----------------------------------------------------------

This is what we need:

- php3: discount code validation and mark discount code as obsolete

- at submitting the discount code must be validated

- additional we provide a "[url removed, login to view]" file, wich is edited manually.

- this is an example of [url removed, login to view]:

12345678901234;[url removed, login to view];[url removed, login to view]

12374278901233;[url removed, login to view];[url removed, login to view]

82345678421230;[url removed, login to view];

55345685671236;[url removed, login to view];

- [url removed, login to view]:

-- format is text/csv

-- seperator is semicolon ;

-- there is no header line

-- each line is one discount code

-- three fields: fields one/two are predefined, field three is controlled by php3

-- first field is the discount code, alphanumeric, up to 20 charcaters, no spaces

-- second field:expiry date; date format: [url removed, login to view]

-- third field: date of cashing the discount; date format: [url removed, login to view]

- validating with php3:

-- validating must be processed in a separate php3 file. php2 calls the new php3 as a function. php3 returns only true/false (valid/not valid).

-- so the only change in php2 is the new function call to php3 and if the check fail and additional error message.

-- new php3 function:

--- get the customer discount code from php2 as parameter

--- read each line in the csv file and compare with predefined discount codes with our customer discount code until it finds an exact match

--- discount code is only valid if:

---- predefined discount code matches complete with customer discount code (not case sensitive)

---- predefined discount code has same length than customer discount code

---- current date is less or equal than "expiry date" (second field in line)

---- third field in line (discount code) is empty

--- if the discount code is valid:

---- change [url removed, login to view]: php3 write current date in the line with the matched discount code as third field. This mark the discount code as obsolete

---- date format: [url removed, login to view]

---- return true to the calling program as valid discount code and end php3

- leave php1 unchanged

- complete php2:

-- this should the call in php2 look like i.e.:

--- if (php3($discountcode))

--- {

--- // current code for ordering; leave unchanged

--- }

--- else {

--- // new code: error message "discount code invalid"

--- }

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