improvement: enable custom duration and simplify expiration calculati…

…on (opentibiabr#3083)

Allows setting a custom ban duration and simplifies the expiration time
calculation.

data/scripts/talkactions/gm/ban.lua

@@ -1,48 +1,48 @@
-local banDays = 7
-
 local ban = TalkAction("/ban")
 
 function ban.onSay(player, words, param)
 	-- create log
 	logCommand(player, words, param)
 
-	if param == "" then
-		player:sendCancelMessage("Command param required.")
+	local params = param:split(",")
+	if #params < 3 then
+		player:sendCancelMessage("Command requires 3 parameters: /ban <player name>, <duration in days>, <reason>")
 		return true
 	end
 
-	local name = param
-	local reason = ""
+	local playerName = params[1]:trim()
+	local banDuration = tonumber(params[2]:trim())
+	local banReason = params[3]:trim()
 
-	local separatorPos = param:find(",")
-	if separatorPos then
-		name = param:sub(0, separatorPos - 1)
-		reason = string.trim(param:sub(separatorPos + 1))
+	if not banDuration or banDuration <= 0 then
+		player:sendCancelMessage("Ban duration must be a positive number.")
+		return true
 	end
 
-	local accountId = getAccountNumberByPlayerName(name)
+	local accountId = getAccountNumberByPlayerName(playerName)
 	if accountId == 0 then
 		return true
 	end
 
 	local resultId = db.storeQuery("SELECT 1 FROM `account_bans` WHERE `account_id` = " .. accountId)
-	if resultId ~= false then
-		Result.free(resultId)
+	if resultId then
+		result.free(resultId)
 		return true
 	end
 
-	local timeNow = os.time()
-	db.query("INSERT INTO `account_bans` (`account_id`, `reason`, `banned_at`, `expires_at`, `banned_by`) VALUES (" .. accountId .. ", " .. db.escapeString(reason) .. ", " .. timeNow .. ", " .. timeNow + (banDays * 86400) .. ", " .. player:getGuid() .. ")")
+	local currentTime = os.time()
+	local expirationTime = currentTime + (banDuration * 24 * 60 * 60)
+	db.query(string.format("INSERT INTO `account_bans` (`account_id`, `reason`, `banned_at`, `expires_at`, `banned_by`) VALUES (%d, %s, %d, %d, %d)", accountId, db.escapeString(banReason), currentTime, expirationTime, player:getGuid()))
 
-	local target = Player(name)
+	local target = Player(playerName)
 	if target then
-		local text = target:getName() .. " has been banned"
-		player:sendTextMessage(MESSAGE_ADMINISTRATOR, text)
-		Webhook.sendMessage("Player Banned", text .. " reason: " .. reason .. ". (by: " .. player:getName() .. ")", WEBHOOK_COLOR_YELLOW, announcementChannels["serverAnnouncements"])
+		player:sendTextMessage(MESSAGE_ADMINISTRATOR, string.format("%s has been banned for %d days.", target:getName(), banDuration))
 		target:remove()
+		Webhook.sendMessage("Player Banned", string.format("%s has been banned for %d days. Reason: %s (by: %s)", target:getName(), banDuration, banReason, player:getName()), WEBHOOK_COLOR_YELLOW, announcementChannels["serverAnnouncements"])
 	else
-		player:sendTextMessage(MESSAGE_ADMINISTRATOR, name .. " has been banned.")
+		player:sendTextMessage(MESSAGE_ADMINISTRATOR, string.format("%s has been banned for %d days.", playerName, banDuration))
 	end
+	return true
 end
 
 ban:separator(" ")