X-Git-Url: https://git.toastfreeware.priv.at/chrisu/seepark.git/blobdiff_plain/2f5ddda3107c522b741c4ecbcc5fddec646b0764..7c05a3e46921f5dfb74a337d66f469d13b6ad3a2:/web/seepark_web.py?ds=inline diff --git a/web/seepark_web.py b/web/seepark_web.py index acec9c5..b899a17 100644 --- a/web/seepark_web.py +++ b/web/seepark_web.py @@ -4,11 +4,41 @@ import configparser import os import sys from collections import defaultdict +import io +import numpy as np +import matplotlib +matplotlib.use('pdf') +import matplotlib.pyplot as plt +from matplotlib.backends.backend_pdf import PdfPages + from flask import Flask, render_template, jsonify, request, abort, Response, make_response import flask.json from flask_sqlalchemy import SQLAlchemy, inspect from sqlalchemy import func +MONTH_DE = [ + 'Jänner', + 'Februar', + 'März', + 'April', + 'Mai', + 'Juni', + 'Juli', + 'August', + 'September', + 'Oktober', + 'November', + 'Dezember'] + +DAY_OF_WEEK_DE = [ + 'Montag', + 'Dienstag', + 'Mittwoch', + 'Donnerstag', + 'Freitag', + 'Samstag', + 'Sonntag'] + # https://stackoverflow.com/a/37350445 def sqlalchemy_model_to_dict(model): @@ -214,6 +244,10 @@ def currentwatertemperature(sensorid): return result.value, result.timestamp +def add_month(date): + return (date + datetime.timedelta(days=42)).replace(day=1) + + @app.route('/api//sensors/') def sensors(version): """List all sensors found in the database""" @@ -277,19 +311,69 @@ def currentwater(version): @app.route('/report/-') def report(year, month): - import io - import numpy as np - import matplotlib.pyplot as plt - from matplotlib.backends.backend_pdf import PdfPages + + begin = datetime.datetime(year, month, 1) + end = add_month(begin) + data = list(select_sensordata(mainsensor, 'Wassertemperatur', begin, end)) + x = np.array([d.timestamp for d in data]) + y = np.array([d.value for d in data]) + + days_datetime = [] + d = begin + while d < end: + days_datetime.append(d) + d = d + datetime.timedelta(1) binary_pdf = io.BytesIO() with PdfPages(binary_pdf) as pdf: - a4 = (21./2.54, 29.7/2.54) + a4 = (29.7/2.54, 21./2.54) + title = 'Seepark Wassertemperatur {} {}'.format(MONTH_DE[begin.month-1], begin.year) + report_times = [datetime.time(10), datetime.time(15)] + + # graphic plt.figure(figsize=a4) - x = np.arange(100) - y = np.sin(x/4) plt.plot(x, y) + plt.xticks(days_datetime, [''] * len(days_datetime)) + plt.ylabel('Temperatur in °C') + plt.axis(xmin=begin, xmax=end) + plt.grid() + plt.title(title) + + # table + columns = [] + for d in days_datetime: + columns.append('{}.'.format(d.day)) + rows = [] + for t in report_times: + rows.append('Wasser {:02d}:{:02d} °C'.format(t.hour, t.minute)) + cells = [] + for t in report_times: + columns.append('{}.'.format(d.day)) + row_cells = [] + for d in days_datetime: + report_datetime = datetime.datetime.combine(d.date(), t) + closest_index = np.argmin(np.abs(x - report_datetime)) + if abs(x[closest_index] - report_datetime) > datetime.timedelta(hours=1): + cell = 'N/A' + else: + value = y[closest_index] + cell = '{:.1f}'.format(value) + row_cells.append(cell) + cells.append(row_cells) + table = plt.table(cellText=cells, colLabels=columns, rowLabels=rows, loc='bottom') + table.scale(xscale=1, yscale=2) + plt.title(title) + plt.subplots_adjust(left=0.15, right=0.97, bottom=0.3) # do not cut row labels pdf.savefig() + + pdf_info = pdf.infodict() + pdf_info['Title'] = title + pdf_info['Author'] = 'Chrisu Jähnl' + pdf_info['Subject'] = 'Wassertemperatur' + pdf_info['Keywords'] = 'Seepark Wassertemperatur' + pdf_info['CreationDate'] = datetime.datetime.now() + pdf_info['ModDate'] = datetime.datetime.today() + response = make_response(binary_pdf.getvalue()) response.headers['Content-Type'] = 'application/pdf' response.headers['Content-Disposition'] = 'attachment; filename=seepark_{:04d}-{:02d}.pdf'.format(year, month)