Remote inventory [AP]

local manager = peripheral.wrap("back")
local chatBox = peripheral.wrap("left")
local user = "Paramus200"

function Info(item)
    --TODO
    return "TODO"
end

function Export(item, qty)
    return manager.addItemToPlayer("up", {name=item, count=qty})
end

function Insert(item, qty)
    return manager.removeItemFromPlayer("up", {name=item, count=qty})
end

function Request(query)
    local method, item, quantity
    for k, v in string.gmatch(query, "(%w+) (%w+)") do
        if (method == nil) then
            method = v
        elseif (item == nil) then
            item = v
        elseif (quantity == nil) then
            quantity =tonumber(v)
        end
    end

    if (method == "i") then
        chatBox.sendMessageToPlayer(Insert(item, quantity), user)
    elseif (method == "e") then
        chatBox.sendMessageToPlayer(Export(item, quantity), user)
    elseif (method == "info") then
        chatBox.sendMessageToPlayer(Info(item), user)
    end
end

while(true) do
    local event, username, message, uuid, isHidden = os.pullEvent("chat")
    if (username == user) then
        request(message)
    end
end