add: fridges view, fridge+sensor class, plot function, generator for test data

app/fridge.py

@@ -0,0 +1,15 @@
+class Fridge:
+
+    def __init__(self, name):
+        self.name = name.decode('utf-8')
+        self.sensors = list()
+
+    def add_sensor(self, sensor):
+        self.sensors.append(sensor)
+
+
+class Sensor:
+
+    def __init__(self, name, sensorid):
+        self.name = name.decode('utf-8')
+        self.id = sensorid

app/gen_test_data_temperature.py

@@ -0,0 +1,26 @@
+import numpy as np
+import datetime as dt
+import pandas as pa
+import ipdb
+testdata = np.empty((14400, 7), dtype=object)
+
+#ipdb.set_trace()
+
+for n, line in enumerate(reversed(testdata)):
+    a = (dt.datetime.now() - dt.timedelta(seconds=(300*n)))
+    line[0] = a
+    line[1] = np.sin(2.0 * np.pi *20.0 / 14400 * n) * 5 + np.sin(2.0 * np.pi * 2.0 / 14400 * n) * 1.4 + 10
+    line[2] = np.sin(2.0 * np.pi *20.0 / 14400 * n) * 4 + np.sin(2.0 * np.pi * 2.0 / 14400 * n) * 1.4 + 13
+    line[3] = np.sin(2.0 * np.pi *20.0 / 14400 * n) * 3 + np.sin(2.0 * np.pi * 2.0 / 14400 * n) * 1.4 + 15
+    line[4] = np.sin(2.0 * np.pi *30.0 / 14400 * n) * 5 + np.sin(2.0 * np.pi * 3.5 / 14400 * n) * 1 + 10
+    line[5] = np.sin(2.0 * np.pi *30.0 / 14400 * n) * 4 + np.sin(2.0 * np.pi * 3.5 / 14400 * n) * 1 + 13
+    line[6] = np.sin(2.0 * np.pi *30.0 / 14400 * n) * 3 + np.sin(2.0 * np.pi * 3.5 / 14400 * n) * 1 + 15
+
+pdata = pa.DataFrame.from_records(testdata,columns=("time","1","2","3","4","5","6"))
+print pdata
+
+pdata.to_csv("static/testdata.csv", index=False)
+#np.savetxt("static/testdata.csv", testdata)
+
+readdata = pa.read_csv("static/testdata.csv")
+print readdata

app/plot.py

@@ -1,12 +1,16 @@
 #import matplotlib #speed?
 #matplotlib.use('GTKAgg')
+
 from matplotlib import pyplot as plt
+from matplotlib import units
 from matplotlib.dates import WeekdayLocator, DayLocator, HourLocator, DateFormatter, drange, MONDAY
 import numpy as np
 from user import User
 from database import *
 import multiprocessing as mp
-
+import pandas as pd
+import ipdb
+import logging
 
 def plot_all_thread(user=None):
     if user is not None:
@@ -21,21 +25,17 @@ def plot_all(user=None):
         plot_total(user)
     plot_total()
     plot_list(4)
-    print 'plot_all'
+    logging.info('plot_all')
 
 
 def plot_total(user=None):
-    print "start plot_total " + str(datetime.datetime.now())
+    logging.info("start plot_total")
-    print 'plot_total'
+
     today = datetime.date.today()
     delta = datetime.timedelta(days=1)
     begin = today - datetime.timedelta(weeks=2)
     dates = drange(begin, today + delta, delta)
 
-    #print begin
-    #print today
-    #print dates
-
     products = get_products()
     allconsumptions = [[0 for x in range(len(dates))] for product in products]
 
@@ -94,17 +94,84 @@ def plot_total(user=None):
         fils = "app/static/total%03d.png" % user.id
         fill = "app/static/total%03d_big.png" % user.id
     plt.title(tit)
-    print "plot plot_total " + str(datetime.datetime.now())
+    logging.info("plot plot_total " + str(datetime.datetime.now()))
     #480x320
     fig.set_size_inches(4.8, 3.2)
     plt.savefig(fils, dpi=100)
-    print "end plot_total " + str(datetime.datetime.now())
+    logging.info("end plot_total " + str(datetime.datetime.now()))
     #fig.set_size_inches(4.8, 3.2)
     #plt.savefig(fill, dpi=400)
 
 
+def plot_log(days, logfiles):
+    today = datetime.date.today()
+    delta = datetime.timedelta(days=1)
+    begin = today - datetime.timedelta(days=days)
+    dates = drange(begin, today + delta, delta)
+
+    #print begin
+    #print today
+    #print dates
+
+    #load all logfiles
+    data = None
+    for logfile in logfiles:
+        try:
+            d = pd.read_csv("app/static/testdata.csv", parse_dates=[0])
+            if data:
+                data = pd.concat((data, d))
+            else:
+                data = d
+        except:
+            logging.error("error while loading file " + logfile)
+            return 0
+
+    #ipdb.set_trace()
+    data = data.set_index(pd.DatetimeIndex(data.time))
+    data = data.drop("time", axis=1)
+    #ipdb.set_trace()
+    plt.xkcd()
+    #all columns
+    for item, frame in data.iteritems():
+        f = plt.figure()
+        #f.patch.set_facecolor("#ccefff")
+        #f.patch.set_alpha("0.0")
+        logging.debug("column " + str(item) + " " + frame.name)
+        plt.plot(data.index.to_pydatetime(), frame, "b")
+        ax = plt.gca()
+        #ax.grid(True, linewidth=1.0)
+        plt.xlim(begin, today)
+        ax.spines['right'].set_visible(False)
+        ax.spines['top'].set_visible(False)
+        ax.yaxis.set_ticks_position('none')#('left')
+        ax.xaxis.set_ticks_position('none')#('bottom')
+
+        f.autofmt_xdate()
+
+        #plt.tick_params(which='minor', length=4)
+        #plt.tick_params(which='major', length=5)
+        #ipdb.set_trace()
+        ax.fmt_xdata = DateFormatter('%d.%m')
+        #ax.xaxis.set_major_locator(WeekdayLocator(MONDAY))
+        #ax.xaxis.set_major_locator(DayLocator())
+        ax.xaxis.set_major_formatter(DateFormatter('%d.%m'))
+
+
+        #plt.xlabel('Datum')
+        #plt.ylabel('Temperatur / C')
+        outfile = "app/static/log_" + str(item) + ".png"
+        logging.info("plot plot_total " + str(datetime.datetime.now()))
+        #480x320
+        plt.gcf().set_size_inches(5.3, 2.4)
+        plt.tight_layout()
+        plt.savefig(outfile, dpi=70, transparent=True, bbox_inches='tight')
+        plt.close()
+
+    logging.info("end plot_list " + str(datetime.datetime.now()))
+
+
 def plot_list(duration):
-    print "start plot_list " + str(datetime.datetime.now())
+    logging.info("start plot_list " + str(datetime.datetime.now()))
     today = datetime.datetime.today()
     begin = today - datetime.timedelta(weeks=duration)
 
@@ -180,11 +247,11 @@ def plot_list(duration):
 
     plt.title("Bierliste ("+ str(duration) + " Wochen)")
 
-    print "plot plot_list " + str(datetime.datetime.now())
+    logging.info("plot plot_list " + str(datetime.datetime.now()))
     #800x600
     fig.set_size_inches(15, 10)
     plt.savefig('app/static/bierliste_small.png', dpi=72, bbox_inches='tight')
     #1024x768
     #fig.set_size_inches(10.24, 7.68)
     #plt.savefig('app/static/bierliste.png', dpi=100)
-    print "end plot_list " + str(datetime.datetime.now())
+    logging.info("end plot_list " + str(datetime.datetime.now()))

app/settings.py

@@ -1,3 +1,4 @@
+# -*- coding: utf-8 -*-
 ################################################################
 #                           Settings                           #
 ################################################################
@@ -15,6 +16,7 @@
 #
 ################################################################
 
+from fridge import Fridge, Sensor
 
 class Settings:
 
@@ -40,7 +42,30 @@ class Settings:
         self.annoyDays = 20         #Automatically send mails every x days (default 20)
         self.annoyLimit = 100       #Money limit for autoAnnoy (default 100)
 
+        ##Data Logging
+        #Fridge Temperature
+        self.fridgeLogging = False  #Log the fridge temperature (connect temp. sensors before enabling)
+        self.fridgeTime = 300       #Write fridge temp to file every x seconds
+        self.fridgeLength = 30      #Length of data log span in days
+
         ##Developer Settings
         self.debug = False          #Show debug output in console
 
+        ##Data Logging - Fridges
+        self.fridges = list()       #Do not edit
+
+        #Create an antialcoholic fridge (Antikühlschrank) with 3 sensors (top, middle and bottom temp.)
+        new_f = Fridge("Antikühlschrank")                      #make new fridge
+        new_f.add_sensor(Sensor("Temperatur Oben", "1"))       #add sensor 1 as top
+        new_f.add_sensor(Sensor("Temperatur Mitte", "2"))      #add sensor 2 as middle
+        new_f.add_sensor(Sensor("Temperatur Unten", "3"))      #add sensor 3 as bottom
+        self.fridges.append(new_f)                             #append to the list of fridges
+
+        #Create an alcoholic fridge with 3 sensors             #add more fridges as you like
+        new_f = Fridge("Bierkühlschrank")
+        new_f.add_sensor(Sensor("Temperatur Oben", "4"))
+        new_f.add_sensor(Sensor("Temperatur Mitte", "5"))
+        new_f.add_sensor(Sensor("Temperatur Unten", "6"))
+        self.fridges.append(new_f)
+
 settings = Settings()

app/static/style.css

@@ -122,4 +122,38 @@ input[type=button], input[type=submit], input[type=reset] {
     text-decoration: none;
     margin: 8px 0px;
     cursor: pointer;
+}
+
+/* SECTION: FRIDGE */
+
+div.fridge { background-color:#FFCC00;
+             margin:20px;
+             padding:10px;
+             padding-left:15px;
+             padding-right:15px;
+             padding-bottom:20px;
+             border-radius:5px;
+             border:4px solid black;
+             float: left;
+}
+
+div.fridge_top { color:black;
+             padding:2px;
+             text-align:center;
+}
+
+div.fridge_bottom { background-color:#AACCFF;
+             padding:2px;
+             border-radius:4px;
+             border:3px solid black;
+}
+
+div.fridge_sensor { background-color:#E3E6FF;   /*#CCEFFF;*/
+             text-align:center;
+             min-height: 170px;
+             padding:3px;
+             border-radius:2px;
+             border:1px;
+             border-color:#CCCCCC;
+             margin: 3px
 }

app/views.py

@@ -1,9 +1,12 @@
+# -*- coding: utf-8 -*-
+
 from check_rights import *
 from flask import render_template, request, redirect, session, send_from_directory
 from app import app
 from database import *
 from plot import *
 from user import User
+from fridge import Fridge, Sensor
 from product import Product
 from send_email import send_email, send_emails
 from consumption import Consumption
@@ -62,6 +65,12 @@ def logout():
     return redirect('/')
 
 
+@app.route('/fridges')
+def fridges():
+    plot_log(30, ("static/testdata.csv",))
+    return render_template('fridges.html', fridges=settings.fridges, user=get_user_by_name(session.get('name')))
+
+
 @app.route('/manage_users')
 @requires_baron
 def manage_users():
@@ -179,10 +188,8 @@ def manage_beverages_edit(name=None):
             p.isshown = False
 
         pic = request.files['file']
-        print pic.filename
         if pic:
             extension = pic.filename.rsplit('.', 1)[1].lower()
-            print extension
             if extension == "png" or extension == "jpg":
                 pic.seek(0) # Move cursor back to beginning so we can write to disk
                 fpath = os.path.join("./app/static/", "product_%s.png" % p.name)
@@ -201,7 +208,7 @@ def manage_beverages_add():
     if request.method == 'POST':
         p = Product()
         error = None
-        print request
+        logging.info(request)
         p.name = request.form['name']
         #if request.form['price'].isnumeric():
         p.price = float(request.form['price'])
@@ -214,10 +221,10 @@ def manage_beverages_add():
             p.isshown = False
 
         pic = request.files['file']
-        print pic.filename
+        logging.info(pic.filename)
         if pic:
             extension = pic.filename.rsplit('.', 1)[1].lower()
-            print extension
+            logging.info(extension)
             if extension == "png" or extension == "jpg":
                 pic.seek(0) # Move cursor back to beginning so we can write to disk
                 fpath = os.path.join("./app/static/", "product_%s.png" % p.name)
@@ -277,7 +284,7 @@ def billing():
                 payment = float(request.form[formname])
                 if payment != 0:
                     add_deposit(user.name, payment)
-                print "%s payed %d" % (user.name, payment)
+                logging.info("%s payed %d" % (user.name, payment))
         debt = [0 for user in users]
         users = get_users()  # refresh users for correct viewing of autounblacking
         for user in users: