Pentagon Pizza Alert

Flow description

# @name    Pizza Alert
# @desc    Pentagon Pizza Alert: pentagonpizzaalert.com
# @version 1.0
# @author EasyAwtrix

class PizzaAlert
  var lvl
  var col
  var show
  var tx
  var ok
  var upd
  var busy
  var fails
  var rt
  var wide

  def init()
    self.lvl = 0
    self.col = 0xFFFFFF
    self.show = "..."
    self.tx = 8
    self.ok = 0
    self.upd = 0
    self.busy = false
    self.fails = 0
    self.rt = 0
    self.wide = false
  end

  def paint()
    var c = 0x00FF00
    if self.lvl == 1 c = 0xFF0000
    elif self.lvl == 2 c = 0xFF4400
    elif self.lvl == 3 c = 0xFF9800
    elif self.lvl == 4 c = 0xFFE000
    end
    if self.lvl <= 0 || self.lvl > 5 return end
    self.col = c
    self.show = [[str(self.lvl) + "  ", c], ["0'", 0x888888]]
    self.tx = 8 + (24 - text_ink_width(self.show)) / 2
    if self.tx < 8 self.tx = 8 end
  end

  def fetch()
    if self.busy return end
    self.busy = true
    var rng = "bytes=4096-6999"
    if self.wide rng = "bytes=0-9999" end
    http.get("https://pentagonpizzaalert.com/", / b, st -> self.onfetch(b, st), {"headers": {"Range": rng}, "find": "Level ", "keep": 32})
  end

  def onfetch(body, status)
    self.busy = false
    var good = false
    if (status == 200 || status == 206) && body != nil
      var m = re.search("Level[^0-9]*?([1-5])", body)
      if m != nil
        self.lvl = num(m[1], self.lvl)
        self.fails = 0
        self.ok = now_ms()
        self.paint()
        good = true
      else
        self.fails += 1
        self.wide = true
        log("p:miss " + str(size(body)))
      end
    else
      self.fails += 1
    end
    if good
      self.rt = 0
      self.upd = now_ms()
    elif self.rt < 3
      self.rt += 1
      self.upd = now_ms() - 840000
      log("p:retry " + str(self.rt))
    else
      self.rt = 0
      self.upd = now_ms()
    end
    log("p:" + str(self.lvl) + "=" + str(status))
  end

  def loop()
    var now = now_ms()
    if self.ok > 0 && self.lvl > 0
      var mins = (now - self.ok) / 60000
      var agestr = str(mins) + "'"
      if mins >= 100
        var h = mins / 60
        if h > 99 h = 99 end
        agestr = str(h) + "h"
      end
      var ac = 0x888888
      if now - self.ok > 1800000 ac = 0xFF9800 end
      self.show = [[str(self.lvl) + "  ", self.col], [agestr, ac]]
      self.tx = 8 + (24 - text_ink_width(self.show)) / 2
      if self.tx < 8 self.tx = 8 end
    end
    if !self.busy && (self.upd == 0 || now - self.upd >= 900000)
      self.upd = now
      self.fetch()
    end
  end

  def draw()
    clear()
    if self.lvl <= 0
      if self.fails >= 4
        scroll_text("No data", 0x888888)
      else
        scroll_text("...")
      end
      return
    end
    rect_fill(0, 0, 8, 1, 0xC97B1A)
    rect_fill(0, 1, 8, 1, 0xFFD23F)
    rect_fill(1, 2, 6, 2, 0xFFD23F)
    rect_fill(2, 4, 4, 2, 0xFFD23F)
    rect_fill(3, 6, 2, 2, 0xFFD23F)
    pixel(2, 2, 0xE03131)
    pixel(5, 3, 0xE03131)
    pixel(3, 5, 0xE03131)
    text(self.tx, 6, self.show, self.col)
  end
end

return PizzaAlert()