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vgstation13/code/modules/Economy/POS.dm
Carlen White 84813cc57e Debit Cards, Bank Account Disable, & Other Retrofits (#19411) 
* Split up the charging code to allow verifying account security alone.

* Using macro since a trader account can now be created on the first debit card for traders.

* Adds the new debit_card.dm

* Retrofit for vending machines to accept debit cards and no longer care for the name of the person for account verification, instead checks if the account number is the same and does a security check when applicable to verify.

* Charge flow retrofit

* Debit card retrofit

* Debit card retrofit

* Debit card retrofit

* Supporting get_card() proc that attempts to find cards on someone.

* Debit card retrofit

* Adds debit cards.

* Basic debit card graphic

* Debit card retrofit

* Can print debit cards from an ATM for $5

* Tweak to prevent searching without an account number.

* Moved creating a trader account to a macro.

* Using item's melt_temperature instead of a global

* Debit cards can be inside ATMs, heads get a department debit card in their lockers, and traders get debit cards on their shuttle computer.
And updated graphics.

* Swapped the \the around since it looked weird being the other way
And also added something to point out which card is being used for virtual wallets.

* 100% less loss of work

* Prevent only the presentace of a card counting as a card present

* Easter egg will use the old name instead of a fixed string

* Forgot a period

* Added FUN. Debit no longer requires a PIN at default security level.
Of course, this can be changed with the new global. Might consider a admin toggle.

* Renamed var to something more reasonable.

* Made the security checks more future safe.

* Accounts can now be disabled from a account database as an administrative disable or from an ATM as a user disable.

* You can modify security levels while disabled, but cannot downgrade to Zero

* Can now charge a card without enough funds provided the destination and source account is the same

* Disable link changes depending if the account is disabled or not

* Vending machines now prompt for PIN if attempting to enter edit mode.

* Define cleanup

* You can now define a authorized user on a debit card.
They are also recorded in the transaction log so you can figure out who spent all the money on pizzas.

* If a linked account gets disconnected for any reason a POS will default to the station account
Also shows the account name in the settings

* Supply and Order consoles can now read from a debit card

* Documentation tweak

* Forgot something

* Supply console now shows the cargo account if requisitions are on.
And mitigation against someone else using the console with someone else looking at it.

* Attempt to make less redundant code,
And added additional information to supply orders.
Reverting checking accounts only if the users changed. It'd cause a world of confusion if multiple people were working at the same terminal.
2018-08-23 10:34:32 +01:00

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/************************
* Point Of Sale
*
* Takes cash or credit.
*************************/
/*
For anyone confused why products["[products.len+1]"] = LI is used, it's so there's no type conversion required since href_list[] always produces a string.
Of course, this is what I've observed and assumed - CW
*/
#define to_valid_product_price(A) (max(LOWEST_DENOMINATION, round_to_lowest_denomination(A)))
// Prevents McAsshat from cheaping out the local shop by buying a faction of something and causing the subtotal to be rounded down to zero.
#define to_valid_subtotal(A) (A>0 ? to_valid_product_price(A) : A)
/line_item
parent_type = /datum
var/name = ""
var/price = 0 // Per unit
var/units = 0
var/global/current_pos_id = 1
var/global/pos_sales = 0
var/const/RECEIPT_HEADER = {"<html>
<head>
<style type="text/css">
html {
font-family: monospace;
}
table {
margin: auto;
margin-top: 1em;
border-collapse: collapse;
}
th, td {
padding: 1px;
margin: 0;
}
td,
tr.first th {
border-left: 1px solid #ccc;
}
tr.first th.first {
border-left: none;
}
tr.even td,
tr.even th {
background: #f0f0f0;
}
tr.calculated {
font-style: italic;
}
tr.calculated td {
border-top: 1px solid #000;
border-left: 1px solid #ccc;
background: #fefefe;
}
tr.total {
font-weight: bold
}
tr.total td {
border-top: 1px solid #000;
background: #dfdfdf;
}
</style>
</head>
<body>
"}
var/const/POS_HEADER = {"<html>
<head>
<style type="text/css">
* {
font-family: sans-serif;
font-size: small;
}
table {
margin: auto;
margin-top: 1em;
border-collapse: collapse;
}
th, td {
padding: 1px;
margin: 0;
}
td,
tr.first th {
border-left: 1px solid #ccc;
}
tr.first th.first {
border-left: none;
}
tr.even td,
tr.even th {
background: #f0f0f0;
}
tr.calculated {
font-style: italic;
}
tr.calculated td {
border-top: 1px solid #000;
border-left: 1px solid #ccc;
background: #fefefe;
}
tr.total {
font-weight: bold
}
tr.total td {
border-top: 1px solid #000;
background: #dfdfdf;
}
</style>
</head>
<body>
"}
#define POS_TAX_RATE 0.10 // 10%
#define POS_SCREEN_LOGIN 0
#define POS_SCREEN_ORDER 1
#define POS_SCREEN_FINALIZE 2
#define POS_SCREEN_PRODUCTS 3
#define POS_SCREEN_IMPORT 4
#define POS_SCREEN_EXPORT 5
#define POS_SCREEN_SETTINGS 6
/obj/machinery/pos
icon = 'icons/obj/machines/pos.dmi'
icon_state = "pos"
density = 0
name = "point of sale"
desc = "Also known as a cash register, or, more commonly, \"robbery magnet\"."
var/id = 0
var/sales = 0
var/department
var/mob/logged_in
var/credits_held = 0
var/credits_needed = 0
var/list/products = list() // name = /line_item
var/list/line_items = list() // # = /line_item
var/screen=POS_SCREEN_LOGIN
machine_flags = PURCHASER
/obj/machinery/pos/New()
..()
id = current_pos_id++
if(ticker)
initialize()
update_icon()
/obj/machinery/pos/initialize()
..()
if(department)
linked_account = department_accounts[department]
else
linked_account = station_account
/obj/machinery/pos/proc/dispense_change(var/amount = 0)
if(!amount)
amount = credits_held
credits_held = 0
if(amount > 0)
var/obj/item/weapon/storage/box/B = new(loc)
dispense_cash(amount,B)
B.name="change"
B.desc="A box of change."
/obj/machinery/pos/proc/AddToOrder(var/name, var/units)
if(!(name in products))
return 0
var/line_item/LI = products[name]
var/line_item/LIC = new
LIC.name=LI.name
LIC.price=LI.price
LIC.units=units
line_items.Add(LIC)
/obj/machinery/pos/proc/RemoveFromOrder(var/order_id)
line_items.Cut(order_id,order_id+1)
/obj/machinery/pos/proc/NewOrder()
line_items.len = 0
/obj/machinery/pos/proc/PrintReceipt(var/order_id)
var/receipt = {"[RECEIPT_HEADER]<div>POINT OF SALE #[id]<br />
Paying to: [linked_account.owner_name]<br />
Cashier: [logged_in]<br />"}
var/area/this_area = get_area(src)
receipt += this_area.name
receipt += "</div>"
receipt += {"<br />
<div>[worldtime2text()], [current_date_string]</div>
<table>
<tr class=\"first\">
<th class=\"first\">Item</th>
<th>Amount</th>
<th>Unit Price</th>
<th>Line Total</th>
</tr>"}
var/subtotal=0
if(line_items.len>0)
for(var/i=1;i<=line_items.len;i++)
var/line_item/LI = line_items[i]
var/linetotal=LI.units*LI.price
receipt += "<tr class=\"[(i%2)?"even":"odd"]\"><th>[LI.name]</th><td>[LI.units]</td><td>$[num2septext(LI.price)]</td><td>$[num2septext(linetotal)]</td></tr>"
subtotal += linetotal
subtotal = to_valid_subtotal(subtotal)
var/taxes = round_to_lowest_denomination(POS_TAX_RATE*subtotal)
receipt += {"
<tr class="calculated">
<th colspan="3">SUBTOTAL</th><td>$[num2septext(subtotal)]</td>
</tr>
<tr>
<th colspan="3">TAXES</th><td>$[num2septext(taxes)]</td>
</tr>"}
receipt += {"
<tr class="calculated total">
<th colspan="3">TOTAL</th><td>$[num2septext(taxes+subtotal)]</th>
</tr>"}
receipt += "</table></body></html>"
var/obj/item/weapon/paper/P = new(loc)
P.name="Receipt #[id]-[++sales]"
P.info=receipt
P = new(loc)
P.name="Receipt #[id]-[sales] (Cashier Copy)"
P.info=receipt
/obj/machinery/pos/proc/LoginScreen()
return "<center><b>Please swipe ID to log in.</b></center>"
/obj/machinery/pos/proc/OrderScreen()
var/receipt = {"<fieldset>
<legend>POS Info</legend>
POINT OF SALE #[id]<br />
Paying to: [linked_account.owner_name]<br />
Cashier: [logged_in]<br />"}
var/area/this_area = get_area(src)
receipt += this_area.name
receipt += "</fieldset>"
receipt += {"<fieldset><legend>Order Data</legend>
<form action="?src=\ref[src]" method="get">
<input type="hidden" name="src" value="\ref[src]" />
<table>
<tr class=\"first\">
<th class=\"first\">Item</th>
<th>Amount</th>
<th>Unit Price</th>
<th>Line Total</th>
<th>...</th>
</tr>"}
var/subtotal=0
if(line_items.len>0)
for(var/i=1;i<=line_items.len;i++)
var/line_item/LI = line_items[i]
var/linetotal=LI.units*LI.price
receipt += {"<tr class=\"[(i%2)?"even":"odd"]\">
<th>[LI.name]</th>
<td><a href="?src=\ref[src];setunits=[i]">[LI.units]</a></td>
<td>$[num2septext(LI.price)]</td>
<td>$[num2septext(linetotal)]</td>
<td><a href="?src=\ref[src];removefromorder=[i]" style="color:red;">&times;</a></td>
</tr>"}
subtotal += linetotal
subtotal = to_valid_subtotal(subtotal)
var/taxes = round_to_lowest_denomination(POS_TAX_RATE*subtotal)
var/presets = "<i>(No presets available)</i>"
if(products.len>0)
presets = {"<select name="preset">""}
for(var/pid in products)
var/line_item/product = products[pid]
presets += {"<option value="[pid]">[product.name]</option>"}
presets += "</select>"
receipt += {"
<tr>
<td class="first">[presets]</td>
<td><input type="textbox" name="units" value="1.0" /> units</td>
<td colspan="2"><input type="submit" name="act" value="Add to Order" /></td>
</tr>
<tr class="calculated">
<th colspan="3">SUBTOTAL</th><td>$[num2septext(subtotal)]</td>
</tr>
<tr>
<th colspan="3">TAXES</th><td>$[num2septext(taxes)]</td>
</tr>"}
receipt += {"
<tr class="calculated total">
<th colspan="3">TOTAL</th><td>$[num2septext(taxes+subtotal)]</th>
</tr>"}
receipt += {"</table>
<input type="submit" name="act" value="Finalize Sale" />
<input type="submit" name="act" value="Reset" />
</form>
</fieldset>"}
return receipt
/obj/machinery/pos/proc/ProductsScreen()
var/dat={"<fieldset><legend>Product List</legend>
<form action="?src=\ref[src]" method="get">
<input type="hidden" name="src" value="\ref[src]" />
<table>
<tr class=\"first\">
<th class=\"first\">Item</th>
<th>Unit Price</th>
<th># Sold</th>
<th>...</th>
</tr>"}
for(var/i in products)
var/line_item/LI = products[i]
var/pid = text2num(i)
dat += {"<tr class="[(pid%2)?"even":"odd"]">
<th><a href="?src=\ref[src];setpname=[i]">[LI.name]</a></th>
<td><a href="?src=\ref[src];setprice=[i]">$[num2septext(LI.price)]</a></td>
<td>[LI.units]</td>
<td><a href="?src=\ref[src];rmproduct=[i]" style="color:red;">&times;</a></td>
</tr>"}
dat += {"</table>
<b>New Product:</b><br />
<label for="name">Name:</label> <input type="textbox" name="name" value=""/><br />
<label for="name">Price:</label> $<input type="textbox" name="price" value="0.00" /><br />
<input type="submit" name="act" value="Add Product" /><br />
<a href="?src=\ref[src];screen=[POS_SCREEN_IMPORT]">Import</a> | <a href="?src=\ref[src];screen=[POS_SCREEN_EXPORT]">Export</a>
</form>
</fieldset>"}
return dat
/obj/machinery/pos/proc/ExportScreen()
var/dat={"<fieldset><legend>Export Products as CSV</legend>
<textarea>"}
for(var/i in products)
var/line_item/LI = products[i]
dat += "[LI.name],[LI.price]\n"
dat += {"</textarea>
<a href="?src=\ref[src];screen=[POS_SCREEN_PRODUCTS]">OK</a>
</fieldset>"}
return dat
/obj/machinery/pos/proc/ImportScreen()
var/dat={"<fieldset>
<legend>Import Products as CSV</legend>
<form action="?src=\ref[src]" method="get">
<input type="hidden" name="src" value="\ref[src]" />
<textarea name="csv"></textarea>
<p>Data must be in the form of a CSV, with no headers or quotation marks.</p>
<p>First column must be product names, second must be prices as an unformatted number (####.##)</p>
<p>Deviations from this format will result in your import being rejected.</p>
<input type="submit" name="act" value="Add Products" />
</form>
</fieldset>"}
return dat
/obj/machinery/pos/proc/FinalizeScreen()
return "<center><b>Waiting for Credit</b><br /><a href=\"?src=\ref[src];act=Reset\">Cancel</a></center>"
/obj/machinery/pos/proc/SettingsScreen()
if(!linked_account)
// Should not happen, but it happens.
linked_account = station_account
var/dat={"<form action="?src=\ref[src]" method="get">
<input type="hidden" name="src" value="\ref[src]" />
<fieldset>
<legend>Account Settings</legend>
<div>
<b>Name of Account:</b> [linked_account.owner_name]
</div>
<div>
<b>Payable Account:</b> <input type="textbox" name="payableto" value="[linked_account.account_number]" />
</div>
</fieldset>
<fieldset>
<legend>Locality Settings</legend>
<div>
<b>Tax Rate:</b> <input type="textbox" name="taxes" value="[POS_TAX_RATE*100]" disabled="disabled" />% (LOCKED)
</div>
</fieldset>
<fieldset>
<legend>Denomination Settings</legend>
<div>
<b>Lowest Denomination:</b> $<input type="textbox" name="lowestdenomination" value="[LOWEST_DENOMINATION]" disabled="disabled" /> (LOCKED)<br />
<i>Subtotals and Taxes are rounded to the nearest, lowest denomination</i>
</div>
</fieldset>
<input type="submit" name="act" value="Save Settings" />
</form>"}
return dat
/obj/machinery/pos/update_icon()
overlays = 0
if(stat & (NOPOWER|BROKEN))
return
if(logged_in)
overlays += image(icon = icon, icon_state = "pos-working")
else
overlays += image(icon = icon, icon_state = "pos-standby")
/obj/machinery/pos/attack_robot(var/mob/user)
if(isMoMMI(user))
return attack_hand(user)
return ..()
/obj/machinery/pos/attack_hand(var/mob/user)
user.set_machine(src)
var/logindata=""
if(logged_in)
logindata={"<a href="?src=\ref[src];logout=1">[logged_in.name]</a> |"}
var/dat = POS_HEADER + {"
<div class="navbar">
[worldtime2text()], [current_date_string]<br />
[logindata]
<a href="?src=\ref[src];screen=[POS_SCREEN_ORDER]">Order</a> |
<a href="?src=\ref[src];screen=[POS_SCREEN_PRODUCTS]">Products</a> |
<a href="?src=\ref[src];screen=[POS_SCREEN_SETTINGS]">Settings</a>
</div>"}
switch(screen)
if(POS_SCREEN_LOGIN)
dat += LoginScreen()
if(POS_SCREEN_ORDER)
dat += OrderScreen()
if(POS_SCREEN_FINALIZE)
dat += FinalizeScreen()
if(POS_SCREEN_PRODUCTS)
dat += ProductsScreen()
if(POS_SCREEN_EXPORT)
dat += ExportScreen()
if(POS_SCREEN_IMPORT)
dat += ImportScreen()
if(POS_SCREEN_SETTINGS)
dat += SettingsScreen()
dat += "</body></html>"
user << browse(dat, "window=pos")
onclose(user, "pos")
return
/obj/machinery/pos/scan_card(var/obj/item/weapon/card/C)
var/remaining_credits_needed = credits_needed - credits_held
var/area/this_area = get_area(src)
var/pos_name = "[this_area.name] POS#[id]"
var/charge_response = charge_flow(linked_db, C, usr, remaining_credits_needed, linked_account, "POS Purchase", pos_name, id)
switch(charge_response)
if(CARD_CAPTURE_SUCCESS)
visible_message("<span class='notice'>The machine beeps, and begins printing a receipt</span>","You hear a beep and the sound of paper being shredded.")
PrintReceipt()
NewOrder()
if(credits_held)
linked_account.charge(-credits_held, null, "Cash Deposit", pos_name, id, linked_account.owner_name)
credits_held=0
credits_needed=0
screen=POS_SCREEN_ORDER
updateUsrDialog()
return
if(CARD_CAPTURE_FAILURE_NOT_ENOUGH_FUNDS)
visible_message("<span class='warning'>The machine buzzes, and flashes \"NOT ENOUGH FUNDS\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_ACCOUNT_DISABLED)
visible_message("<span class='warning'>The machine buzzes, and flashes \"ACCOUNT DISABLED\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_ACCOUNT_DISABLED_MERCHANT)
visible_message("<span class='warning'>The machine buzzes, and flashes \"MERCHANT ACCOUNT DISABLED\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_FAILURE_BAD_ACCOUNT_PIN_COMBO)
visible_message("<span class='warning'>The machine buzzes, and flashes \"BAD ACCOUNT/PIN COMBO\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_FAILURE_SECURITY_LEVEL)
visible_message("<span class='warning'>The machine buzzes, and flashes \"SECURITY EXCEPTION\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_FAILURE_USER_CANCELED)
visible_message("<span class='warning'>The machine buzzes, and flashes \"ORDER CANCELED\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_FAILURE_NO_DESTINATION)
visible_message("<span class='warning'>The machine buzzes, and flashes \"NO LINKED ACCOUNT\" on the screen.</span>","You hear a buzz.")
if(CARD_CAPTURE_FAILURE_NO_CONNECTION)
visible_message("<span class='warning'>The machine buzzes, and flashes \"DATABASE UNAVAILABLE\" on the screen.</span>","You hear a buzz.")
else
visible_message("<span class='warning'>The machine buzzes, and flashes \"CARD CAPTURE ERROR\" on the screen.</span>","You hear a buzz.")
flick(src,"pos-error")
/obj/machinery/pos/Topic(var/href, var/list/href_list)
if(..(href,href_list))
return
if("logout" in href_list)
if(alert(usr, "You sure you want to log out?", "Confirm", "Yes", "No")!="Yes")
return
logged_in=null
screen=POS_SCREEN_LOGIN
update_icon()
src.attack_hand(usr)
return
if(usr != logged_in)
if(logged_in)
to_chat(usr, "<span class='warning'>[logged_in.name] is already logged in. You cannot use this machine until they log out.</span>")
return
if("act" in href_list)
switch(href_list["act"])
if("Reset")
if(credits_held > 0){
visible_message("<span class='notice'>The machine buzzes.</span>","<span class='warning'>You hear a buzz.</span>")
dispense_change()
}
NewOrder()
screen=POS_SCREEN_ORDER
if("Finalize Sale")
var/subtotal=0
if(line_items.len>0)
for(var/i=1;i<=line_items.len;i++)
var/line_item/LI = line_items[i]
subtotal += LI.units*LI.price
subtotal = to_valid_subtotal(subtotal)
var/taxes = round_to_lowest_denomination(POS_TAX_RATE*subtotal)
credits_needed=taxes+subtotal
say("Your total is $[num2septext(credits_needed)]. Please insert credit chips or swipe your ID.")
screen=POS_SCREEN_FINALIZE
if("Add Product")
var/line_item/LI = new
LI.name=sanitize(href_list["name"])
LI.price=to_valid_product_price(text2num(href_list["price"]))
products["[products.len+1]"]=LI
if("Add to Order")
AddToOrder(href_list["preset"],text2num(href_list["units"]))
if("Add Products")
for(var/list/line in splittext(href_list["csv"],"\n"))
var/list/cells = splittext(line,",")
if(cells.len<2)
to_chat(usr, "<span class='warning'>The CSV must have at least two columns: Product Name, followed by Price (as a number).</span>")
src.attack_hand(usr)
return
var/line_item/LI = new
LI.name=sanitize(cells[1])
LI.price=to_valid_product_price(text2num(cells[2]))
products["[products.len+1]"]=LI
if("Export Products")
screen=POS_SCREEN_EXPORT
if("Import Products")
screen=POS_SCREEN_IMPORT
if("Save Settings")
var/datum/money_account/new_linked_account = get_money_account(text2num(href_list["payableto"]),z)
if(!new_linked_account)
to_chat(usr, "<span class='warning'>Unable to link new account.</span>")
else
linked_account = new_linked_account
screen=POS_SCREEN_SETTINGS
else if("screen" in href_list)
screen=text2num(href_list["screen"])
else if("rmproduct" in href_list)
products.Remove(href_list["rmproduct"])
else if("removefromorder" in href_list)
RemoveFromOrder(text2num(href_list["removefromorder"]))
else if("setunits" in href_list)
var/lid = text2num(href_list["setunits"])
var/newunits = input(usr,"Enter the units sold.") as num
if(!newunits)
return
var/line_item/LI = line_items[lid]
LI.units = newunits
line_items[lid]=LI
else if("setpname" in href_list)
var/newtext = sanitize(input(usr,"Enter the product's name."))
if(!newtext)
return
var/pid = href_list["setpname"]
var/line_item/LI = products[pid]
if(LI)
LI.name = newtext
products[pid]=LI
else if("setprice" in href_list)
var/newprice = input(usr,"Enter the product's price.") as num
if(newprice<=0)
return
var/pid = href_list["setprice"]
var/line_item/LI = products[pid]
LI.price = newprice
products[pid]=LI
src.attack_hand(usr)
/obj/machinery/pos/attackby(var/atom/movable/A, var/mob/user)
if(istype(A,/obj/item/weapon/card))
var/obj/item/weapon/card/id/C = A
if(istype(C,/obj/item/weapon/card/id) && !logged_in)
// /atom/mob/visible_message(all_message, self_message, blind_message,...)
user.visible_message("<span class='notice'>The machine beeps, and logs [user] in.</span>", "<span class='notice'>The machine beeps, and logs you in.</span>", "You hear a beep.")
logged_in = user
screen=POS_SCREEN_ORDER
update_icon()
src.attack_hand(user) //why'd you use usr nexis, why
return
else
if(screen!=POS_SCREEN_FINALIZE)
visible_message("<span class='notice'>The machine buzzes.</span>","<span class='warning'>You hear a buzz.</span>")
flick(src,"pos-error")
return
connect_account(user, C)
else if(istype(A,/obj/item/weapon/spacecash))
if(!linked_account)
visible_message("<span class='warning'>The machine buzzes, and flashes \"NO LINKED ACCOUNT\" on the screen.</span>","You hear a buzz.")
flick(src,"pos-error")
return
if(!logged_in || screen!=POS_SCREEN_FINALIZE)
visible_message("<span class='notice'>The machine buzzes.</span>","<span class='warning'>You hear a buzz.</span>")
flick(src,"pos-error")
return
var/obj/item/weapon/spacecash/C=A
credits_held += C.get_total()
qdel(C)
if(credits_held >= credits_needed)
visible_message("<span class='notice'>The machine beeps, and begins printing a receipt</span>","You hear a beep and the sound of paper being shredded.")
PrintReceipt()
NewOrder()
linked_account.charge(-credits_needed, null, "Purchase at POS #[id].", dest_name = linked_account.owner_name)
credits_held -= credits_needed
credits_needed=0
screen=POS_SCREEN_ORDER
dispense_change()
else
say("Your total is now $[num2septext(credits_needed-credits_held)]. Please insert more credit chips or swipe your ID.")
..()
#undef to_valid_product_price
#undef to_valid_subtotal
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