moth/cgi/koth.lua

73 lines
1.5 KiB
Lua

#! /usr/bin/lua
local koth = {}
-- cut -d$ANCHOR -f2- | grep -Fx "$NEEDLE"
function anchored_search(haystack, needle, anchor)
for line in io.lines(haystack) do
if (anchor) then
pos = line:find(anchor)
if (pos) then
line = line:sub(pos+1)
end
end
if (line == needle) then
return true
end
end
return false
end
function koth.anchored_search(haystack, needle, anchor)
local ok, ret = pcall(anchored_search, haystack, needle, anchor)
return ok and ret
end
function koth.page(title, body)
print("Content-type: text/html")
print()
print("<!DOCTYPE html>")
print("<html><head><title>" .. title .. "</title><link rel=\"stylesheet\" href=\"css/style.css\"></head>")
print("<body><h1>" .. title .. "</h1>")
if (body) then
print("<section>")
print(body)
print("</section>")
end
print("</body></html>")
os.exit(0)
end
--
-- We're going to rely on `bin/once` only processing files with the right number of lines.
--
function koth.award_points(team, category, points, comment)
local filename = team .. "." .. category .. "." .. points
local entry = team .. " " .. category .. " " .. points
if (comment) then
entry = entry .. " " .. comment
end
local ok = anchored_search("../state/points.log", entry, " ")
if (not ok) then
return false, "Points already awarded"
end
local f = io.open("../state/points.new/" .. filename, "a")
if (not f) then
return false, "Unable to write to points file"
end
f:write(os.time(), " ", entry, "\n")
f:close()
return true
end
return koth