https://github.com/kevinlekiller/eso-linux-launcher/issues/1

ttc-post.lua

local http = require("socket.http")
require("TamrielTradeCentre")

if not TamrielTradeCentreVars["Default"] then
	return
end

local serverEU = false

local gf = io.open("guilds.lua", "rb")
local guilds
if gf then
	gf:close()
	require("guilds")
else
	guilds = {["EUData"] = {}, ["NAData"] = {}}
end

function mkJson(guild, time, kiosk, entries)
	local ret = "["
	for number, entry in pairs(entries) do
		ret = ret .. '{"DiscoverUnixTime":' .. time .. ',"GuildKioskLocationID":' .. kiosk .. ',"GuildName":"' .. guild .. '","TradeAsset":{"Amount":'
		ret = ret .. entry["Amount"] .. ',"Item":{'
		if entry["Category2IDOverWrite"] ~= nil then
			ret = ret .. '"Category2IDOverWrite":' .. entry["Category2IDOverWrite"] .. ','
		end
		if entry["ID"] ~= nil then
			ret = ret .. '"ID":' .. entry["ID"] .. ','
		end
		if entry["ItemLink"] ~= nil then
			ret = ret .. '"ItemLink":"' .. entry["ItemLink"] .. '",'
		end
		if entry["Level"] ~= nil then
			ret = ret .. '"LevelTotal":' .. entry["Level"] .. ','
		end
		if entry["MasterWritInfo"] ~= nil then
			ret = ret .. '"MasterWritInfo":{'
			for key, value in pairs(entry["MasterWritInfo"]) do
				ret = ret .. '"' .. key .. '":'
				if tonumber(value) == nil then
					ret = ret .. '"' .. value .. '",'
				else
					ret = ret .. value .. ','
				end
			end
			ret = string.gsub(ret, ',$', '')
			ret = ret .. '},'
		end
		if entry["QualityID"] ~= nil then
			ret = ret .. '"QualityID":' .. entry["QualityID"] .. ','
		end
		if entry["TraitID"] ~= nil then
			ret = ret .. '"TraitID":' .. entry["TraitID"] .. ','
		end
		if entry["UID"] ~= nil then
			ret = ret .. '"UID":' .. entry["UID"] .. ','
		end
		ret = string.gsub(ret, ',$', '')
		ret = ret .. '},"TotalPrice":' .. entry["TotalPrice"] .. '}},'
	end
	ret = string.gsub(ret, ',$', '')
	ret = ret .. ']'
	return ret
end

function postJson(json, server)
	if server == "EUData" then
		server = "eu"
	else
		server = "us"
	end
	local resp = {}
	response, code, headers = http.request { 
		method = "POST",
		url = "https://" .. server .. ".tamrieltradecentre.com/api/PC/Trade/PostTrade",
		headers = {
			["Accept"] = "*/*";
			["Accept-Encoding"] = "gzip, deflate, br";
			["Accept-Language"] = "en-US,en;q=0.5";
			["Connection"] = "keep-alive";
			["Content-Type"] = "application/json; charset=UTF-8";
			["Content-Length"] = #json;
			["DNT"] = "1";
			["Host"] = server .. ".tamrieltradecentre.com";
			["Referer"] = "https://us.tamrieltradecentre.com/pc/Trade/WebClient";
			["TE"] = "Trailers";
			["User-Agent"] = "Mozilla/5.0 (X11; Linux x86_64; rv:69.0) Gecko/20100101 Firefox/69.0";
			["WebClientVersion"] = "2.0.0.0";
		},
		source = ltn12.source.string(json),
		sink = ltn12.sink.table(resp)
	}
	print(response)
	print(code)
	if type(headers) == "table" then
		for k, v in pairs(headers) do 
			print(k, v)
		end
	end
	if type(resp) == "table" then
		for k, v in pairs(resp) do 
			print(k, v)
		end
	end
end

for username, udata in pairs(TamrielTradeCentreVars["Default"]) do
	for server, sdata in pairs(udata["$AccountWide"]) do
		if server == "EUData" or server == "NAData" then
			if server == "EUData" then
				serverEU = true
			elseif server == "NAData" then
				serverEU = false
			end
			for guild, gdata in pairs(sdata["Guilds"]) do
				if gdata["Entries"][0] ~= nil and tonumber(gdata["KioskLocationID"]) ~= nil then
					if guilds[server][guild] == nil then
						guilds[server][guild] = gdata["LastUpdate"] - 1
					end
					if gdata["LastUpdate"] > guilds[server][guild] then
						local json = mkJson(guild, gdata["LastUpdate"], gdata["KioskLocationID"], gdata["Entries"])
						print(json)
						postJson(json, server)
					end
				end
			end
		end
	end
end

-- TODO - Write "guilds" variable to guilds.lua so the next time this runs it doesn't resend the same info to the API