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beer app v2.0

sammachin-gprs
Simon Szumyłowicz 2018-09-01 21:45:33 +01:00
parent 7bfb7bef22
commit 0db4dfc04f
1 changed files with 29 additions and 5 deletions
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34
beer/main.py
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@ -11,25 +11,41 @@ from tilda import Buttons, LED
orientation = 270
def get_beer():
global bar
global bar, stock
LED(LED.RED).on()
try:
bar_json = http.get("https://bar.emf.camp/location/Bar.json").raise_for_status().content
stock_json = http.get("https://bar.emf.camp/stock.json").raise_for_status().content
bar = ujson.loads(bar_json)
stock = ujson.loads(stock_json)
except:
print('oh poop')
LED(LED.RED).off()
draw_screen()
def draw_screen():
global bar, stock
ugfx.clear(ugfx.BLACK)
ugfx.text(60, 5, "what's on tap?", ugfx.RED)
ugfx.text(65, 5, "what's on tap?", ugfx.RED)
ugfx.line(5, 20, ugfx.width(), 20, ugfx.GREY)
for idx, beer in enumerate(bar['location']):
ugfx.text(5, 22 + idx*15, beer['description'], ugfx.WHITE)
remaining = 0
for item in stock['stock']:
if item['description'] == beer['description']:
remaining = float(item['remaining'])
ugfx.text(5, 22 + idx*15, beer['description'][:28], ugfx.WHITE)
ugfx.text(202, 22 + idx*15, '!' if (remaining < 30) else ' ', ugfx.RED)
ugfx.text(210, 22 + idx*15, "{:>4}".format(beer['price']), ugfx.WHITE)
def toggle_orientation():
global orientation
if orientation == 90:
ugfx.orientation(270)
@ -42,17 +58,25 @@ def toggle_orientation():
ugfx.init()
ugfx.clear(ugfx.BLACK)
ugfx.set_default_font(ugfx.FONT_FIXED)
s=ugfx.Style()
s.set_enabled([ugfx.WHITE, ugfx.BLACK, ugfx.BLACK, ugfx.GREY])
s.set_background(ugfx.BLACK)
ugfx.set_default_style(s)
Buttons.enable_interrupt(Buttons.BTN_A, lambda button_id:get_beer(), on_press=True, on_release=False)
Buttons.enable_interrupt(Buttons.BTN_B, lambda button_id:toggle_orientation(), on_press=True, on_release=False)
Buttons.enable_interrupt(Buttons.BTN_Menu, lambda button_id:app.restart_to_default(), on_press=True, on_release=False)
ugfx.text(5, 10, "Instructions:", ugfx.WHITE)
ugfx.text(5, 30, "Press the A button to refresh", ugfx.WHITE)
ugfx.text(5, 45, "Press the B button to rotate", ugfx.WHITE)
ugfx.text(5, 60, "Press the Menu button to exit", ugfx.WHITE)
ugfx.text(5, 95, "Loading data from the bar...", ugfx.WHITE)
ugfx.text(5, 90, "!", ugfx.RED)
ugfx.text(15, 90, "means the stock is low", ugfx.WHITE)
ugfx.text(5, 120, "Loading data from the bar...", ugfx.WHITE)
get_beer()