def dashboard(request):
'''Creates dashboard (gauges and table) page for the active beer'''
active_config = do.getActiveConfig()
active_beer = do.getActiveBeer()
cur_reading = do.getLastReading(active_beer)
cur_temp_amb = cur_reading.get_temp_amb()
cur_temp_beer = cur_reading.get_temp_beer()
cur_light_amb = cur_reading.get_light_amb()
cur_pres_beer = cur_reading.get_pres_beer()
if active_config.temp_amb_base != None and active_config.temp_amb_dev != None:
temp_amb_rng = [active_config.temp_amb_base - active_config.temp_amb_dev, active_config.temp_amb_base + active_config.temp_amb_dev]
else: temp_amb_rng = (0,0)
if active_config.temp_beer_base != None and active_config.temp_beer_dev != None:
temp_beer_rng = [active_config.temp_beer_base - active_config.temp_beer_dev, active_config.temp_beer_base + active_config.temp_beer_dev]
else: temp_beer_rng = (0,0)
s, alert_res = sendCommand("?code=a&var=get")
alert_var = None
alert_rng = None
if s == "Success" and "off" not in alert_res:
re_alert = re.search("(.*)\[(\d+), (\d+)\]", alert_res.split(":")[1], re.IGNORECASE)
alert_var = re_alert.group(1)
alert_rng = [int(re_alert.group(2)), int(re_alert.group(3))]
val = locals()["cur_"+alert_var]
if not(val < alert_rng[0] or val > alert_rng[1]): alert_var = None
data = {
"vals": {
"temp_amb": cur_temp_amb,
"temp_beer": cur_temp_beer,
"light_amb": cur_light_amb,
"pres_beer": cur_pres_beer
},
"alert_var": alert_var,
"alert_rng": alert_rng,
"bgcols" : {
"temp_amb": do.get_paint_cols(cur_temp_amb, temp_amb_rng)[0],
"temp_beer": do.get_paint_cols(cur_temp_beer, temp_beer_rng)[0],
"light_amb": do.get_paint_cols(cur_light_amb)[0],
"pres_beer": do.get_paint_cols(cur_pres_beer)[0]
},
"greenrng": {
"temp_amb": temp_amb_rng,
"temp_beer": temp_beer_rng
},
"last_log_date": cur_reading.instant_actual.strftime("%Y-%m-%d"),
"last_log_time": cur_reading.instant_actual.strftime("%H:%M:%S"),
"last_log_ago": do.get_date_diff(cur_reading.instant_actual, do.nowInUtc()),
"next_log": do.next_log_estimate(),
"all_beers": Beer.objects.all(),
"active_beer": active_beer,
"beer_date": active_beer.brew_date,
}
#Alert flash color based on BG, unless white, make it orange.
col = data["bgcols"][alert_var] if alert_var != None else "#FFFFFF"
data["alert_col"] = col if col != "#FFFFFF" else "#FFA500"
return render_to_response('dashboard.html',data)
def getStatus(command, request = None, key = None):
out = None
if key != None: out = chkCookie(request, key)
if out == None:
s, status = sendCommand(command)
if s != "Success": out = "?"
else:
if "on." in status: out = "on"
else: out = "off"
return(out)
def dashboard_update(request):
'''Forces a log then returns to dashboard page'''
active_beer = do.getActiveBeer()
old_reading = do.getLastReading(active_beer)
command_status = sendCommand("?code=F")
if command_status[0] == "Success":
'''Wait until the forced log actually shows up in django'''
for i in range(49):
if do.getLastReading(active_beer) != old_reading: break
sleep(.1)
return HttpResponseRedirect(reverse('dashboard'))
def next_log_estimate():
'''Estimates the next reading time based on log freq and last logged time'''
last_reading = getLastReading(getActiveBeer()).instant_actual
log_freq = None
r, msg = sendCommand("?code=M")
if r == "Success": log_freq = int(msg.split("=")[1])
out = "unknown amount of time"
if log_freq != None:
next = last_reading + timedelta(minutes = log_freq)
now = nowInUtc()
if next >= now: out = get_date_diff(now, next, append = None)
elif next >= now - timedelta(minutes = 5): out = "less than a minute"
return(out)
def handle(self, *args, **options):
time = datetime.utcnow().timestamp()
command = "?code=s&time=" + str(time)
s, msg = sendCommand(command)
return (s)
def commands(request):
blank = str('')
command_status = blank
error = blank
details = blank
command = request.GET.copy()
#List vars: [Current Value, Alert, Cell Color (for future use)]
varlist = {
"temp_amb":["?", "?", "#FFFFFF"],
"temp_beer":["?", "?", "#FFFFFF"],
"light_amb":["?", "?", "#FFFFFF"],
"pres_beer":["?", "?", "#FFFFFF"]
}
cookielist = [var for var in varlist] + ["collection_status", "logging_status", "log_freq", "alert_res"]
if command:
if "cookie" in command:
cookie = command["cookie"]
if cookie:
if cookie.lower() == "all":
for c in cookielist:
if c in request.COOKIES: request.COOKIES[c] = None
elif cookie.lower() == "sensors":
for c in varlist:
if c in request.COOKIES: request.COOKIES[c] = None
elif cookie.lower() == "alertvars":
for c in [v for v in varlist] + ["alert_res"]:
if c in request.COOKIES: request.COOKIES[c] = None
elif cookie in request.COOKIES: request.COOKIES[cookie] = None
code = command["code"].lower()
if code == "s": command["time"] = datetime.utcnow().timestamp()
if code != "":
command_status = sendCommand(command.urlencode())
error = command_status[0]
details = command_status[1]
active_beer = do.getActiveBeer()
all_beers = do.getAllBeer()
beer_name = active_beer
beer_date = active_beer.brew_date
log_freq = do.chkCookie(request, "log_freq")
if log_freq == None:
s, log_freq = sendCommand("?code=m")
if s != "Success": log_freq = "?"
else:
log_freq = log_freq.split("=")[1]
collection_status = do.getStatus("?code=c&dir=get", request, "collection_status")
logging_status = do.getStatus("?code=L&dir=get", request, "logging_status")
alert_res = do.chkCookie(request, "alert_res")
if alert_res == None:
s, alert_res = sendCommand("?code=A&var=get")
if s == "Success":
if "off" not in alert_res:
re_alert = re.search("(.*)(\[\d+, \d+\])", alert_res.split(":")[1], re.IGNORECASE)
alert_var = re_alert.group(1)
alert_rng = re_alert.group(2)
else: alert_var = None
else: alert_var = "?"
else:
if "off" not in alert_res:
re_alert = re.search("(.*)(\[\d+, \d+\])", alert_res.split(":")[1], re.IGNORECASE)
alert_var = re_alert.group(1)
alert_rng = re_alert.group(2)
else: alert_var = None
for var in varlist:
temp = do.chkCookie(request, var)
if temp == None:
s, val = sendCommand("?code=r&var=" + var)
if s == "Success":
varlist[var][0] = val.split(":")[1]
if alert_var != "?":
if alert_var == var: varlist[var][1] = str(alert_rng)
else: varlist[var][1] = "Set alert"
else: varlist[var] = temp.split("|")
data = {
'all_beers': all_beers,
'beer_name': beer_name,
'beer_date': beer_date,
'active_beer': do.getActiveBeer(),
'command_status': command_status,
'varlist': varlist,
'error': error,
'details': details,
'log_freq': log_freq,
'collection_status': collection_status,
'logging_status': logging_status,
}
max_age = 300
expires = datetime.utcnow() + timedelta(seconds=max_age)
response = render_to_response('commands.html', data, context_instance=RequestContext(request))
for var in cookielist:
if var in varlist: val = "|".join(varlist[var])
else: val = locals()[var]
if val != "?": response.set_cookie(var, val, max_age=max_age, expires=expires)
return(response)