From b212ef6906f4a66bbb3ec79103caeb775a7daeaa Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Simon=20Szumy=C5=82owicz?= <simons@ooyala.com>
Date: Sat, 1 Sep 2018 18:28:59 +0100
Subject: [PATCH] add screen rotation

---
 beer/main.py | 37 ++++++++++++++++++++++++++++---------
 1 file changed, 28 insertions(+), 9 deletions(-)

diff --git a/beer/main.py b/beer/main.py
index 456c0ec..0ab46e7 100644
--- a/beer/main.py
+++ b/beer/main.py
@@ -8,34 +8,53 @@ ___categories___   = ["EMF"]
 import wifi, ugfx, http, ujson, app, sleep
 from tilda import Buttons, LED
 
+orientation = 270
+
 def get_beer():
     global bar
-
     LED(LED.RED).on()
-    bar_json = http.get("https://bar.emf.camp/location/Bar.json").raise_for_status().content
-    bar = ujson.loads(bar_json)
+    try:
+        bar_json = http.get("https://bar.emf.camp/location/Bar.json").raise_for_status().content
+        bar = ujson.loads(bar_json)
+    except: 
+        print('oh poop')
     LED(LED.RED).off()
+    draw_screen()
 
 def draw_screen():
-    get_beer()
+
     ugfx.clear(ugfx.BLACK)
     ugfx.text(60, 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)
 
+def toggle_orientation():
+    global orientation
+    if orientation == 90:
+        ugfx.orientation(270)
+        orientation = 270
+        draw_screen()
+    else:
+        ugfx.orientation(90)
+        orientation = 90
+        draw_screen()
+
 ugfx.init()
 ugfx.clear(ugfx.BLACK)
 
-Buttons.enable_interrupt(Buttons.BTN_A, lambda button_id:draw_screen(), on_press=True, on_release=False)
-Buttons.enable_interrupt(Buttons.BTN_B, lambda button_id:app.restart_to_default(), on_press=True, on_release=False)
+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 exit", ugfx.WHITE)
-ugfx.text(5, 75, "Loading data from the bar...", 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)
 
-draw_screen()
+get_beer()
 
 while True:
     sleep.wfi()