compat with mail mod fork (mt-mods)

fancyshop.lua

@@ -567,62 +567,30 @@ local function alert_owner_if_empty(pos)
     local stock_msg = "Your vendor trading "..settings.input_item_qty.." "..minetest.registered_items[settings.input_item].description.." for "..settings.output_item_qty.." "..minetest.registered_items[settings.output_item].description.." at position "..minetest.pos_to_string(pos, 0).." has just run out of stock."
 
     if not alerted and not status and errorcode == "no_output" then
-        -- Rubenwardy's Email Mod: https://github.com/rubenwardy/email
-        if mail_loaded then
-            local inbox = {}
 
-            -- load messages
-            if not mail.apiversion then
-              -- cheapie's mail mod https://cheapiesystems.com/git/mail/
-              if not mail.messages[owner] then mail.messages[owner] = {} end
-              inbox = mail.messages[owner]
-
-            elseif mail.apiversion >= 1.1 then
-              -- webmail fork https://github.com/thomasrudin-mt/mail (per player storage)
-              inbox = mail.getMessages(owner)
-
-            end
-
-            -- Instead of filling their inbox with mail, get the last message sent by "Fancy Vend" and append to the message
-            -- If there is no last message, then create a new one
-
-            local message
-            for i, msg in pairs(inbox) do
-                if msg.sender == "Fancy Vend" then -- Put a space in the name to avoid impersonation
-                    message = msg
-                end
-            end
-
-            if message then
-                -- Set the message as unread
-                message.unread = true
-
-                -- Append to the end
-                message.body = message.body..stock_msg.."\n"
-            else
-                mail.send("Fancy Vend", owner, "You have unstocked vendors!", stock_msg.."\n")
-            end
-
-            -- save messages
-            if not mail.apiversion then
-              -- cheapie's mail mod https://cheapiesystems.com/git/mail/
-              mail.save()
-
-            elseif mail.apiversion >= 1.1 then
-              -- webmail fork https://github.com/thomasrudin-mt/mail
-              mail.setMessages(owner, inbox)
-
-            end
-
-            meta:set_string("alerted", "true")
-
-            return
-
-        elseif email_loaded then
-            email.send_mail("Fancy Vend", owner, stock_msg)
-
-            meta:set_string("alerted", "true")
+       if mail_loaded and mail.send then
+	  
+	  local success, error = mail.send({
+		from = "Emerald Shop",
+		to = owner,
+		--cc = "carbon, copy",
+		--bcc = "blind, carbon, copy",
+		subject = S("Out of Stock!"),
+		body = stock_msg
+	  })
+	  
+	  -- if "success" is false the error parameter will contain a message
+	  
+	  meta:set_string("alerted", "true")
+	  
+	  return
 
+	  -- Rubenwardy's Email Mod: https://github.com/rubenwardy/email
+       elseif email_loaded then
+	  email.send_mail("Fancy Vend", owner, stock_msg)
+	  
+	  meta:set_string("alerted", "true")
+	  
             return
 
         elseif tell_loaded then