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app.py
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#!/usr/bin/env python3
# *****************************************
# PiFire Web UI (Flask App)
# *****************************************
#
# Description: This script will start at boot, and start up the web user
# interface.
#
# This script runs as a separate process from the control program
# implementation which handles interfacing and running I2C devices & GPIOs.
#
# *****************************************
from flask import Flask, request, abort, render_template, make_response, send_file, jsonify, redirect
from flask_mobility import Mobility
from flask_socketio import SocketIO
from flask_qrcode import QRcode
from io import BytesIO
from werkzeug.utils import secure_filename
from collections.abc import Mapping
import threading
import zipfile
import pathlib
from threading import Thread
from datetime import datetime
from common import _generate_uuid, _epoch_to_time
from updater import * # Library for doing project updates from GitHub
BACKUP_PATH = './backups/' # Path to backups of settings.json, pelletdb.json
UPLOAD_FOLDER = BACKUP_PATH # Point uploads to the backup path
HISTORY_FOLDER = './history/' # Path to historical cook files
ALLOWED_EXTENSIONS = {'json', 'pifire', 'jpg', 'jpeg', 'png', 'gif', 'bmp'}
server_status = 'available'
app = Flask(__name__)
socketio = SocketIO(app, cors_allowed_origins="*")
QRcode(app)
Mobility(app)
app.config['UPLOAD_FOLDER'] = UPLOAD_FOLDER
app.config['HISTORY_FOLDER'] = HISTORY_FOLDER
@app.route('/')
def index():
global settings
if settings['globals']['first_time_setup']:
return redirect('/wizard/welcome')
else:
return redirect('/dash')
@app.route('/dash')
def dash():
global settings
control = read_control()
errors = read_errors()
dash_template = 'dash_default.html'
for dash in settings['dashboard']['dashboards']:
if dash['name'] == settings['dashboard']['current']:
dash_template = dash['html_name']
break
return render_template(dash_template,
set_points=control['setpoints'],
notify_req=control['notify_req'],
probes_enabled=settings['probe_settings']['probes_enabled'],
control=control,
page_theme=settings['globals']['page_theme'],
grill_name=settings['globals']['grill_name'],
units=settings['globals']['units'],
dc_fan=settings['globals']['dc_fan'],
errors=errors)
@app.route('/dashdata')
def dash_data():
global settings
control = read_control()
probes_enabled = settings['probe_settings']['probes_enabled']
cur_probe_temps = read_current()
return jsonify({ 'cur_probe_temps' : cur_probe_temps, 'probes_enabled' : probes_enabled,
'current_mode' : control['mode'], 'set_points' : control['setpoints'],
'notify_req' : control['notify_req'], 'splus' : control['s_plus'],
'splus_default' : settings['smoke_plus']['enabled'],
'pwm_control' : control['pwm_control'] })
@app.route('/hopperlevel')
def hopper_level():
pelletdb = read_pellet_db()
cur_pellets_string = pelletdb['archive'][pelletdb['current']['pelletid']]['brand'] + ' ' + \
pelletdb['archive'][pelletdb['current']['pelletid']]['wood']
return jsonify({ 'hopper_level' : pelletdb['current']['hopper_level'], 'cur_pellets' : cur_pellets_string })
@app.route('/timer', methods=['POST','GET'])
def timer():
global settings
control = read_control()
if request.method == "GET":
return jsonify({ 'start' : control['timer']['start'], 'paused' : control['timer']['paused'],
'end' : control['timer']['end'], 'shutdown': control['timer']['shutdown']})
elif request.method == "POST":
if 'input' in request.form:
if 'timer_start' == request.form['input']:
control['notify_req']['timer'] = True
# If starting new timer
if control['timer']['paused'] == 0:
now = time.time()
control['timer']['start'] = now
if 'hoursInputRange' in request.form and 'minsInputRange' in request.form:
seconds = int(request.form['hoursInputRange']) * 60 * 60
seconds = seconds + int(request.form['minsInputRange']) * 60
control['timer']['end'] = now + seconds
else:
control['timer']['end'] = now + 60
if 'shutdownTimer' in request.form:
if request.form['shutdownTimer'] == 'true':
control['notify_data']['timer_shutdown'] = True
else:
control['notify_data']['timer_shutdown'] = False
if 'keepWarmTimer' in request.form:
if request.form['keepWarmTimer'] == 'true':
control['notify_data']['timer_keep_warm'] = True
else:
control['notify_data']['timer_keep_warm'] = False
write_log('Timer started. Ends at: ' + _epoch_to_time(control['timer']['end']))
write_control(control)
else: # If Timer was paused, restart with new end time.
now = time.time()
control['timer']['end'] = (control['timer']['end'] - control['timer']['paused']) + now
control['timer']['paused'] = 0
write_log('Timer unpaused. Ends at: ' + _epoch_to_time(control['timer']['end']))
write_control(control)
elif 'timer_pause' == request.form['input']:
if control['timer']['start'] != 0:
control['notify_req']['timer'] = False
now = time.time()
control['timer']['paused'] = now
write_log('Timer paused.')
write_control(control)
else:
control['notify_req']['timer'] = False
control['timer']['start'] = 0
control['timer']['end'] = 0
control['timer']['paused'] = 0
control['notify_data']['timer_shutdown'] = False
control['notify_data']['timer_keep_warm'] = False
write_log('Timer cleared.')
write_control(control)
elif 'timer_stop' == request.form['input']:
control['notify_req']['timer'] = False
control['timer']['start'] = 0
control['timer']['end'] = 0
control['timer']['paused'] = 0
control['notify_data']['timer_shutdown'] = False
control['notify_data']['timer_keep_warm'] = False
write_log('Timer stopped.')
write_control(control)
return jsonify({'result':'success'})
@app.route('/history/<action>', methods=['POST','GET'])
@app.route('/history', methods=['POST','GET'])
def history_page(action=None):
global settings
control = read_control()
errors = []
if request.method == 'POST':
response = request.form
if(action == 'cookfile'):
if('delcookfile' in response):
filename = './history/' + response["delcookfile"]
os.remove(filename)
return redirect('/history')
if('opencookfile' in response):
cookfilename = HISTORY_FOLDER + response['opencookfile']
cookfilestruct, status = read_cookfile(cookfilename)
if(status == 'OK'):
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
filenameonly = response['opencookfile']
return render_template('cookfile.html', settings=settings, cookfilename=cookfilename, filenameonly=filenameonly, events=events, event_totals=event_totals, comments=comments, metadata=metadata, labels=labels, assets=assets, errors=errors, page_theme=settings['globals']['page_theme'], grill_name=settings['globals']['grill_name'])
else:
errors.append(status)
if 'version' in status:
errortype = 'version'
elif 'asset' in status:
errortype = 'asset'
else:
errortype = 'other'
return render_template('cferror.html', settings=settings, cookfilename=cookfilename, errortype=errortype, errors=errors, page_theme=settings['globals']['page_theme'], grill_name=settings['globals']['grill_name'])
if('dlcookfile' in response):
filename = './history/' + response['dlcookfile']
return send_file(filename, as_attachment=True, max_age=0)
if(action == 'setmins'):
if('minutes' in response):
if(response['minutes'] != ''):
num_items = int(response['minutes']) * 20
settings['history_page']['minutes'] = int(response['minutes'])
write_settings(settings)
elif action == 'clear':
if 'clearhistory' in response:
if response['clearhistory'] == 'true':
write_log('Clearing History Log.')
read_history(0, flushhistory=True)
elif (request.method == 'GET') and (action == 'export'):
exportfilename = _prepare_graph_csv()
return send_file(exportfilename, as_attachment=True, max_age=0)
num_items = settings['history_page']['minutes'] * 20
probes_enabled = settings['probe_settings']['probes_enabled']
data_blob = _prepare_data(num_items, True, settings['history_page']['datapoints'])
auto_refresh = settings['history_page']['autorefresh']
# Calculate Displayed Start Time
displayed_starttime = time.time() - (settings['history_page']['minutes'] * 60)
annotations = _prepare_annotations(displayed_starttime)
return render_template('history.html',
control=control,
grill_temp_list=data_blob['grill_temp_list'],
grill_settemp_list=data_blob['grill_settemp_list'],
probe1_temp_list=data_blob['probe1_temp_list'],
probe1_settemp_list=data_blob['probe1_settemp_list'],
probe2_temp_list=data_blob['probe2_temp_list'],
probe2_settemp_list=data_blob['probe2_settemp_list'],
label_time_list=data_blob['label_time_list'],
probes_enabled=probes_enabled,
num_mins=settings['history_page']['minutes'],
num_datapoints=settings['history_page']['datapoints'],
autorefresh=auto_refresh,
annotations=annotations,
page_theme=settings['globals']['page_theme'],
grill_name=settings['globals']['grill_name'])
@app.route('/historyupdate/<action>', methods=['POST','GET'])
@app.route('/historyupdate')
def history_update(action=None):
global settings
if action == 'stream':
# GET - Read current temperatures and set points for history streaming
control = read_control()
if control['mode'] == 'Stop':
set_temps = [0,0,0]
cur_probe_temps = [0,0,0]
else:
set_temps = control['setpoints']
set_temps[0] = control['setpoints']['grill']
set_temps[1] = control['setpoints']['probe1']
set_temps[2] = control['setpoints']['probe2']
cur_probe_temps = read_current()
# Calculate Displayed Start Time
displayed_starttime = time.time() - (settings['history_page']['minutes'] * 60)
annotations = _prepare_annotations(displayed_starttime)
json_data = {
'probe0_temp' : int(float(cur_probe_temps[0])),
'probe0_settemp' : set_temps[0],
'probe1_temp' : int(float(cur_probe_temps[1])),
'probe1_settemp' : set_temps[1],
'probe2_temp' : int(float(cur_probe_temps[2])),
'probe2_settemp' : set_temps[2],
'annotations' : annotations,
'mode' : control['mode']
}
return jsonify(json_data)
elif action == 'refresh':
# POST - Get number of minutes into the history to refresh the history chart
control = read_control()
request_json = request.json
if 'num_mins' in request_json:
num_items = int(request_json['num_mins']) * 20 # Calculate number of items requested
settings['history_page']['minutes'] = int(request_json['num_mins'])
write_settings(settings)
data_blob = _prepare_data(num_items, True, settings['history_page']['datapoints'])
# Calculate Displayed Start Time
displayed_starttime = time.time() - (settings['history_page']['minutes'] * 60)
annotations = _prepare_annotations(displayed_starttime)
json_data = {
'grill_temp_list' : data_blob['grill_temp_list'],
'grill_settemp_list' : data_blob['grill_settemp_list'],
'probe1_temp_list' : data_blob['probe1_temp_list'],
'probe1_settemp_list' : data_blob['probe1_settemp_list'],
'probe2_temp_list' : data_blob['probe2_temp_list'],
'probe2_settemp_list' : data_blob['probe2_settemp_list'],
'label_time_list' : data_blob['label_time_list'],
'annotations' : annotations,
'mode' : control['mode']
}
return jsonify(json_data)
return jsonify({'status' : 'ERROR'})
@app.route('/cookfiledata', methods=['POST', 'GET'])
def cookfiledata(action=None):
global settings
errors = []
if(request.method == 'POST') and ('json' in request.content_type):
requestjson = request.json
if('full_graph' in requestjson):
filename = requestjson['filename']
cookfiledata, status = read_cookfile(filename)
if(status == 'OK'):
annotations = _prepare_annotations(0, cookfiledata['events'])
json_data = {
'GT1_label' : cookfiledata['graph_labels']['grill1_label'],
'GSP1_label' : cookfiledata['graph_labels']['grill1_label'] + " SetPoint",
'PT1_label' : cookfiledata['graph_labels']['probe1_label'],
'PSP1_label' : cookfiledata['graph_labels']['probe1_label'] + " SetPoint",
'PT2_label' : cookfiledata['graph_labels']['probe2_label'],
'PSP2_label' : cookfiledata['graph_labels']['probe2_label'] + " SetPoint",
'GT1_data' : cookfiledata['graph_data']['grill1_temp'],
'GSP1_data' : cookfiledata['graph_data']['grill1_setpoint'],
'PT1_data' : cookfiledata['graph_data']['probe1_temp'],
'PT2_data' : cookfiledata['graph_data']['probe2_temp'],
'PSP1_data' : cookfiledata['graph_data']['probe1_setpoint'],
'PSP2_data' : cookfiledata['graph_data']['probe2_setpoint'],
'time_labels' : cookfiledata['graph_data']['time_labels'],
'annotations' : annotations
}
return jsonify(json_data)
if('getcommentassets' in requestjson):
assetlist = []
cookfilename = requestjson['cookfilename']
commentid = requestjson['commentid']
comments, status = read_cf_json_data(cookfilename, 'comments')
for comment in comments:
if comment['id'] == commentid:
assetlist = comment['assets']
break
return jsonify({'result' : 'OK', 'assetlist' : assetlist})
if('managemediacomment' in requestjson):
# Grab list of all assets in file, build assetlist
assetlist = []
cookfilename = requestjson['cookfilename']
commentid = requestjson['commentid']
assets, status = read_cf_json_data(cookfilename, 'assets')
metadata, status = read_cf_json_data(cookfilename, 'metadata')
for asset in assets:
asset_object = {
'assetname' : asset['filename'],
'assetid' : asset['id'],
'selected' : False
}
assetlist.append(asset_object)
# Grab list of selected assets in comment currently
selectedassets = []
comments, status = read_cf_json_data(cookfilename, 'comments')
for comment in comments:
if comment['id'] == commentid:
selectedassets = comment['assets']
break
# For each item in asset list, if in comment, mark selected
for object in assetlist:
if object['assetname'] in selectedassets:
object['selected'] = True
return jsonify({'result' : 'OK', 'assetlist' : assetlist})
if('getallmedia' in requestjson):
# Grab list of all assets in file, build assetlist
assetlist = []
cookfilename = requestjson['cookfilename']
assets, status = read_cf_json_data(cookfilename, 'assets')
for asset in assets:
asset_object = {
'assetname' : asset['filename'],
'assetid' : asset['id'],
}
assetlist.append(asset_object)
return jsonify({'result' : 'OK', 'assetlist' : assetlist})
if('navimage' in requestjson):
direction = requestjson['navimage']
mediafilename = requestjson['mediafilename']
commentid = requestjson['commentid']
cookfilename = requestjson['cookfilename']
comments, status = read_cf_json_data(cookfilename, 'comments')
if status == 'OK':
assetlist = []
for comment in comments:
if comment['id'] == commentid:
assetlist = comment['assets']
break
current = 0
found = False
for index in range(0, len(assetlist)):
if assetlist[index] == mediafilename:
current = index
found = True
break
if found and direction == 'next':
if current == len(assetlist)-1:
mediafilename = assetlist[0]
else:
mediafilename = assetlist[current+1]
return jsonify({'result' : 'OK', 'mediafilename' : mediafilename})
elif found and direction == 'prev':
if current == 0:
mediafilename = assetlist[-1]
else:
mediafilename = assetlist[current-1]
return jsonify({'result' : 'OK', 'mediafilename' : mediafilename})
errors.append('Something unexpected has happened.')
return jsonify({'result' : 'ERROR', 'errors' : errors})
if(request.method == 'POST') and ('form' in request.content_type):
requestform = request.form
if('dl_cookfile' in requestform):
# Download the full JSON Cook File Locally
filename = requestform['dl_cookfile']
return send_file(filename, as_attachment=True, max_age=0)
if('dl_eventfile' in requestform):
filename = requestform['dl_eventfile']
cookfiledata, status = read_cf_json_data(filename, 'events')
if(status == 'OK'):
csvfilename = _prepare_metrics_csv(cookfiledata, filename)
return send_file(csvfilename, as_attachment=True, max_age=0)
if('dl_graphfile' in requestform):
# Download CSV of the Graph Data Only
filename = requestform['dl_graphfile']
cookfiledata, status = read_cookfile(filename)
if(status == 'OK'):
cookfiledata['graph_data'] = _convert_labels(cookfiledata['graph_data'])
csvfilename = _prepare_graph_csv(cookfiledata['graph_data'], cookfiledata['graph_labels'], filename)
return send_file(csvfilename, as_attachment=True, max_age=0)
if('ulcookfilereq' in requestform):
# Assume we have request.files and localfile in response
remotefile = request.files['ulcookfile']
if (remotefile.filename != ''):
# If the user does not select a file, the browser submits an
# empty file without a filename.
if remotefile and _allowed_file(remotefile.filename):
filename = secure_filename(remotefile.filename)
remotefile.save(os.path.join(app.config['HISTORY_FOLDER'], filename))
else:
print('Disallowed File Upload.')
errors.append('Disallowed File Upload.')
return redirect('/history')
if('thumbSelected' in requestform):
thumbnail = requestform['thumbSelected']
filename = requestform['filename']
# Reload Cook File
cookfilename = HISTORY_FOLDER + filename
cookfilestruct, status = read_cookfile(cookfilename)
if status=='OK':
cookfilestruct['metadata']['thumbnail'] = thumbnail
update_cookfile(cookfilestruct['metadata'], HISTORY_FOLDER + filename, 'metadata')
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
return render_template('cookfile.html', settings=settings, \
cookfilename=cookfilename, filenameonly=filename, \
events=events, event_totals=event_totals, \
comments=comments, metadata=metadata, labels=labels, \
assets=assets, errors=errors, \
page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
if('ulmediafn' in requestform) or ('ulthumbfn' in requestform):
# Assume we have request.files and localfile in response
if 'ulmediafn' in requestform:
#uploadedfile = request.files['ulmedia']
uploadedfiles = request.files.getlist('ulmedia')
cookfilename = HISTORY_FOLDER + requestform['ulmediafn']
filenameonly = requestform['ulmediafn']
else:
uploadedfile = request.files['ulthumbnail']
cookfilename = HISTORY_FOLDER + requestform['ulthumbfn']
filenameonly = requestform['ulthumbfn']
uploadedfiles = [uploadedfile]
status = 'ERROR'
for remotefile in uploadedfiles:
if (remotefile.filename != ''):
# Reload Cook File
cookfilestruct, status = read_cookfile(cookfilename)
parent_id = cookfilestruct['metadata']['id']
tmp_path = f'/tmp/pifire/{parent_id}'
if not os.path.exists(tmp_path):
os.mkdir(tmp_path)
if remotefile and _allowed_file(remotefile.filename):
filename = secure_filename(remotefile.filename)
pathfile = os.path.join(tmp_path, filename)
remotefile.save(pathfile)
asset_id, asset_filetype = _add_cf_asset(cookfilename, tmp_path, filename)
if 'ulthumbfn' in requestform:
_set_thumbnail(cookfilename, f'{asset_id}.{asset_filetype}')
# Reload all of the data
cookfilestruct, status = read_cookfile(cookfilename)
else:
errors.append('Disallowed File Upload.')
if(status == 'OK'):
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
return render_template('cookfile.html', settings=settings, \
cookfilename=cookfilename, filenameonly=filenameonly, \
events=events, event_totals=event_totals, \
comments=comments, metadata=metadata, labels=labels, \
assets=assets, errors=errors, \
page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
if('cookfilelist' in requestform):
page = int(requestform['page'])
reverse = True if requestform['reverse'] == 'true' else False
itemsperpage = int(requestform['itemsperpage'])
filelist = _get_cookfilelist()
cookfilelist = []
for filename in filelist:
cookfilelist.append({'filename' : filename, 'title' : '', 'thumbnail' : ''})
paginated_cookfile = _paginate_list(cookfilelist, 'filename', reverse, itemsperpage, page)
paginated_cookfile['displaydata'] = _get_cookfilelist_details(paginated_cookfile['displaydata'])
return render_template('_cookfile_list.html', pgntdcf = paginated_cookfile)
if('repairCF' in requestform):
cookfilename = requestform['repairCF']
filenameonly = requestform['repairCF'].replace(HISTORY_FOLDER, '')
cookfilestruct, status = upgrade_cookfile(cookfilename)
if status != 'OK':
errors.append(status)
if 'version' in status:
errortype = 'version'
elif 'asset' in status:
errortype = 'asset'
else:
errortype = 'other'
errors.append('Repair Failed.')
return render_template('cferror.html', settings=settings, \
cookfilename=cookfilename, errortype=errortype, \
errors=errors, page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
# Fix issues with assets
cookfilestruct, status = fixup_assets(cookfilename)
if status != 'OK':
errors.append(status)
if 'version' in status:
errortype = 'version'
elif 'asset' in status:
errortype = 'asset'
else:
errortype = 'other'
errors.append('Repair Failed.')
return render_template('cferror.html', settings=settings, \
cookfilename=cookfilename, errortype=errortype, \
errors=errors, page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
else:
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
return render_template('cookfile.html', settings=settings, \
cookfilename=cookfilename, filenameonly=filenameonly, \
events=events, event_totals=event_totals, \
comments=comments, metadata=metadata, labels=labels, \
assets=assets, errors=errors, \
page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
if('upgradeCF' in requestform):
cookfilename = requestform['upgradeCF']
filenameonly = requestform['upgradeCF'].replace(HISTORY_FOLDER, '')
cookfilestruct, status = upgrade_cookfile(cookfilename)
if status != 'OK':
errors.append(status)
if 'version' in status:
errortype = 'version'
elif 'asset' in status:
errortype = 'asset'
else:
errortype = 'other'
return render_template('cferror.html', settings=settings, \
cookfilename=cookfilename, errortype=errortype, \
errors=errors, page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
else:
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
return render_template('cookfile.html', settings=settings, \
cookfilename=cookfilename, filenameonly=filenameonly, \
events=events, event_totals=event_totals, \
comments=comments, metadata=metadata, labels=labels, \
assets=assets, errors=errors, \
page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
if('delmedialist' in requestform):
cookfilename = HISTORY_FOLDER + requestform['delmedialist']
filenameonly = requestform['delmedialist']
assetlist = requestform['delAssetlist'].split(',') if requestform['delAssetlist'] != '' else []
status = remove_assets(cookfilename, assetlist)
cookfilestruct, status = read_cookfile(cookfilename)
if status != 'OK':
errors.append(status)
if 'version' in status:
errortype = 'version'
elif 'asset' in status:
errortype = 'asset'
else:
errortype = 'other'
return render_template('cferror.html', settings=settings, \
cookfilename=cookfilename, errortype=errortype, \
errors=errors, page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
else:
events = cookfilestruct['events']
event_totals = _prepare_event_totals(events)
comments = cookfilestruct['comments']
for comment in comments:
comment['text'] = comment['text'].replace('\n', '<br>')
metadata = cookfilestruct['metadata']
metadata['starttime'] = _epoch_to_time(metadata['starttime'] / 1000)
metadata['endtime'] = _epoch_to_time(metadata['endtime'] / 1000)
labels = cookfilestruct['graph_labels']
assets = cookfilestruct['assets']
return render_template('cookfile.html', settings=settings, \
cookfilename=cookfilename, filenameonly=filenameonly, \
events=events, event_totals=event_totals, \
comments=comments, metadata=metadata, labels=labels, \
assets=assets, errors=errors, \
page_theme=settings['globals']['page_theme'], \
grill_name=settings['globals']['grill_name'])
errors.append('Something unexpected has happened.')
return jsonify({'result' : 'ERROR', 'errors' : errors})
@app.route('/updatecookfile', methods=['POST','GET'])
def updatecookdata(action=None):
global settings
if(request.method == 'POST'):
requestjson = request.json
if('comments' in requestjson):
filename = requestjson['filename']
cookfiledata, status = read_cf_json_data(filename, 'comments')
if('commentnew' in requestjson):
now = datetime.datetime.now()
comment_struct = {}
comment_struct['text'] = requestjson['commentnew']
comment_struct['id'] = _generate_uuid()
comment_struct['edited'] = ''
comment_struct['date'] = now.strftime('%Y-%m-%d')
comment_struct['time'] = now.strftime('%H:%M')
comment_struct['assets'] = []
cookfiledata.append(comment_struct)
result = update_cookfile(cookfiledata, filename, 'comments')
if(result == 'OK'):
return jsonify({'result' : 'OK', 'newcommentid' : comment_struct['id'], 'newcommentdt': comment_struct['date'] + ' ' + comment_struct['time']})
if('delcomment' in requestjson):
for item in cookfiledata:
if item['id'] == requestjson['delcomment']:
cookfiledata.remove(item)
result = update_cookfile(cookfiledata, filename, 'comments')
if(result == 'OK'):
return jsonify({'result' : 'OK'})
if('editcomment' in requestjson):
for item in cookfiledata:
if item['id'] == requestjson['editcomment']:
return jsonify({'result' : 'OK', 'text' : item['text']})
if('savecomment' in requestjson):
for item in cookfiledata:
if item['id'] == requestjson['savecomment']:
now = datetime.datetime.now()
item['text'] = requestjson['text']
item['edited'] = now.strftime('%Y-%m-%d %H:%M')
result = update_cookfile(cookfiledata, filename, 'comments')
if(result == 'OK'):
return jsonify({'result' : 'OK', 'text' : item['text'].replace('\n', '<br>'), 'edited' : item['edited'], 'datetime' : item['date'] + ' ' + item['time']})
if('metadata' in requestjson):
filename = requestjson['filename']
cookfiledata, status = read_cf_json_data(filename, 'metadata')
if(status == 'OK'):
if('editTitle' in requestjson):
cookfiledata['title'] = requestjson['editTitle']
result = update_cookfile(cookfiledata, filename, 'metadata')
if(result == 'OK'):
return jsonify({'result' : 'OK'})
else:
print(f'Result: {result}')
if('graph_labels' in requestjson):
filename = requestjson['filename']
cookfiledata, status = read_cf_json_data(filename, 'graph_labels')
if(status == 'OK'):
if('grill1_label' in requestjson):
cookfiledata['grill1_label'] = requestjson['grill1_label']
result = update_cookfile(cookfiledata, filename, 'graph_labels')
if(result == 'OK'):
return jsonify({'result' : 'OK'})
if('probe1_label' in requestjson):
cookfiledata['probe1_label'] = requestjson['probe1_label']
result = update_cookfile(cookfiledata, filename, 'graph_labels')
if(result == 'OK'):
return jsonify({'result' : 'OK'})
if('probe2_label' in requestjson):
cookfiledata['probe2_label'] = requestjson['probe2_label']
result = update_cookfile(cookfiledata, filename, 'graph_labels')
if(result == 'OK'):
return jsonify({'result' : 'OK'})
else:
print(f'ERROR: {status}')
if('media' in requestjson):
filename = requestjson['filename']
assetfilename = requestjson['assetfilename']
commentid = requestjson['commentid']
state = requestjson['state']
comments, status = read_cf_json_data(filename, 'comments')
result = 'OK'
for index in range(0, len(comments)):
if comments[index]['id'] == commentid:
if assetfilename in comments[index]['assets'] and state == 'selected':
comments[index]['assets'].remove(assetfilename)
result = update_cookfile(comments, filename, 'comments')
elif assetfilename not in comments[index]['assets'] and state == 'unselected':
comments[index]['assets'].append(assetfilename)
result = update_cookfile(comments, filename, 'comments')
break
return jsonify({'result' : result})
return jsonify({'result' : 'ERROR'})
@app.route('/tuning/<action>', methods=['POST','GET'])
@app.route('/tuning', methods=['POST','GET'])
def tuning_page(action=None):
global settings
control = read_control()
if(control['mode'] == 'Stop'):
alert = 'Warning! Grill must be in an active mode to perform tuning (i.e. Monitor Mode, Smoke Mode, ' \
'Hold Mode, etc.)'
else:
alert = ''
pagectrl = {}
pagectrl['refresh'] = 'off'
pagectrl['selected'] = 'none'
pagectrl['showcalc'] = 'false'
pagectrl['low_trvalue'] = ''
pagectrl['med_trvalue'] = ''
pagectrl['high_trvalue'] = ''
pagectrl['low_tempvalue'] = ''
pagectrl['med_tempvalue'] = ''
pagectrl['high_tempvalue'] = ''
if request.method == 'POST':
response = request.form
if 'probe_select' in response:
pagectrl['selected'] = response['probe_select']
pagectrl['refresh'] = 'on'
control['tuning_mode'] = True # Enable tuning mode
write_control(control)
if'pause' in response:
if response['low_trvalue'] != '':
pagectrl['low_trvalue'] = response['low_trvalue']
if response['med_trvalue'] != '':
pagectrl['med_trvalue'] = response['med_trvalue']
if response['high_trvalue'] != '':
pagectrl['high_trvalue'] = response['high_trvalue']
if response['low_tempvalue'] != '':
pagectrl['low_tempvalue'] = response['low_tempvalue']
if response['med_tempvalue'] != '':
pagectrl['med_tempvalue'] = response['med_tempvalue']
if response['high_tempvalue'] != '':
pagectrl['high_tempvalue'] = response['high_tempvalue']
pagectrl['refresh'] = 'off'
control['tuning_mode'] = False # Disable tuning mode while paused
write_control(control)
elif 'save' in response:
if response['low_trvalue'] != '':
pagectrl['low_trvalue'] = response['low_trvalue']
if response['med_trvalue'] != '':
pagectrl['med_trvalue'] = response['med_trvalue']
if response['high_trvalue'] != '':
pagectrl['high_trvalue'] = response['high_trvalue']
if response['low_tempvalue'] != '':
pagectrl['low_tempvalue'] = response['low_tempvalue']
if response['med_tempvalue'] != '':
pagectrl['med_tempvalue'] = response['med_tempvalue']
if response['high_tempvalue'] != '':
pagectrl['high_tempvalue'] = response['high_tempvalue']
if (pagectrl['low_tempvalue'] != '' and pagectrl['med_tempvalue'] != '' and
pagectrl['high_tempvalue'] != ''):
pagectrl['refresh'] = 'off'
control['tuning_mode'] = False # Disable tuning mode when complete
write_control(control)
pagectrl['showcalc'] = 'true'
a, b, c = _calc_shh_coefficients(int(pagectrl['low_tempvalue']), int(pagectrl['med_tempvalue']),
int(pagectrl['high_tempvalue']), int(pagectrl['low_trvalue']),
int(pagectrl['med_trvalue']), int(pagectrl['high_trvalue']))
pagectrl['a'] = a
pagectrl['b'] = b
pagectrl['c'] = c
pagectrl['templist'] = ''
pagectrl['trlist'] = ''
range_size = abs(int(pagectrl['low_trvalue']) - int(pagectrl['high_trvalue']))
range_step = int(range_size / 20)
if int(pagectrl['low_trvalue']) < int(pagectrl['high_trvalue']):
# Add 5% to the resistance at the low temperature side
low_tr_range = int(int(pagectrl['low_trvalue']) - (range_size * 0.05))
# Add 5% to the resistance at the high temperature side
high_tr_range = int(int(pagectrl['high_trvalue']) + (range_size * 0.05))
# Swap Tr values for the loop below, so that we start with a low value and go high
high_tr_range, low_tr_range = low_tr_range, high_tr_range
# Swapped Value Case (i.e. Low Temp = Low Resistance)
for index in range(high_tr_range, low_tr_range, range_step):
if index == high_tr_range:
pagectrl['trlist'] = str(index)
pagectrl['templist'] = str(_tr_to_temp(index, a, b, c))
else:
pagectrl['trlist'] = str(index) + ', ' + pagectrl['trlist']
pagectrl['templist'] = str(_tr_to_temp(index, a, b, c)) + ', ' + pagectrl['templist']
else:
# Add 5% to the resistance at the low temperature side
low_tr_range = int(int(pagectrl['low_trvalue']) + (range_size * 0.05))
# Add 5% to the resistance at the high temperature side
high_tr_range = int(int(pagectrl['high_trvalue']) - (range_size * 0.05))
# Normal Value Case (i.e. Low Temp = High Resistance)
for index in range(high_tr_range, low_tr_range, range_step):
if index == high_tr_range:
pagectrl['trlist'] = str(index)
pagectrl['templist'] = str(_tr_to_temp(index, a, b, c))
else:
pagectrl['trlist'] += ', ' + str(index)
pagectrl['templist'] += ', ' + str(_tr_to_temp(index, a, b, c))
else:
pagectrl['refresh'] = 'on'
control['tuning_mode'] = True # Enable tuning mode
write_control(control)
return render_template('tuning.html',
control=control,
settings=settings,
pagectrl=pagectrl,
page_theme=settings['globals']['page_theme'],
grill_name=settings['globals']['grill_name'],
alert=alert)
@app.route('/_grilltr', methods=['GET'])
def grill_tr():
cur_probe_tr = read_tr()
tr = {}
tr['trohms'] = cur_probe_tr[0]
return json.dumps(tr)
@app.route('/_probe1tr', methods=['GET'])
def probe1_tr():
cur_probe_tr = read_tr()
tr = {}
tr['trohms'] = cur_probe_tr[1]
return json.dumps(tr)
@app.route('/_probe2tr', methods=['GET'])
def probe2_tr():
cur_probe_tr = read_tr()
tr = {}
tr['trohms'] = cur_probe_tr[2]
return json.dumps(tr)
@app.route('/events/<action>', methods=['POST','GET'])
@app.route('/events', methods=['POST','GET'])
def events_page(action=None):
global settings
if(request.method == 'POST') and ('form' in request.content_type):
requestform = request.form
if 'eventslist' in requestform:
event_list = read_log(legacy=False)
page = int(requestform['page'])
reverse = True if requestform['reverse'] == 'true' else False
itemsperpage = int(requestform['itemsperpage'])
pgntd_data = _paginate_list(event_list, reversesortorder=reverse, itemsperpage=itemsperpage, page=page)
return render_template('_events_list.html', pgntd_data = pgntd_data)
else:
return ('Error')
return render_template('events.html',
page_theme=settings['globals']['page_theme'],
grill_name=settings['globals']['grill_name'])
@app.route('/pellets/<action>', methods=['POST','GET'])
@app.route('/pellets', methods=['POST','GET'])
def pellets_page(action=None):
# Pellet Management page
global settings
pelletdb = read_pellet_db()
event = {
'type' : 'none',
'text' : ''
}
if request.method == 'POST' and action == 'loadprofile':
response = request.form
if 'load_profile' in response:
if response['load_profile'] == 'true':
pelletdb['current']['pelletid'] = response['load_id']
pelletdb['current']['est_usage'] = 0
control = read_control()
control['hopper_check'] = True
write_control(control)
now = str(datetime.datetime.now())
now = now[0:19] # Truncate the microseconds