views.py 36.5 KB
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import sys

from django.http import HttpResponse
from django.shortcuts import render, redirect

from django.contrib.auth.decorators import login_required
import datetime
from common.models import Log, WeatherWatch, SiteWatch, ScientificProgram, Config, PyrosUser, PlcDeviceStatus, Telescope, TelescopeCommand
from django.core import serializers
import utils.Logger as l
from django.forms import modelformset_factory
from dashboard.forms import ConfigForm, UserForm
from dashboard.decorator import level_required
from django.views.generic.edit import UpdateView
from django.shortcuts import get_object_or_404
from django.utils.decorators import method_decorator
from django.urls import reverse_lazy, reverse
from django.http import Http404
import json
from random import randint
from devices.Telescope import TelescopeController
from devices.TelescopeRemoteControlDefault import TelescopeRemoteControlDefault
from devices.CameraVISRemoteControlDefault import CameraVISRemoteControlDefault
from devices.CameraNIRRemoteControlDefault import CameraNIRRemoteControlDefault
from devices import PLC
from django.core.mail import send_mail
import time

sys.path.append("../../..")
#import utils.celme as celme
import src.core.celme as celme


from collections import OrderedDict

SUN_ELEV_DAY_THRESHOLD = -10
MAX_LOGS_LINES = 100

log = l.setupLogger("dashboard", "dashboard")

def index(request):
    if request.user.is_authenticated:
        # return the initial view (the dashboard's one)
        return render(request, 'dashboard/index.html', {'USER_LEVEL': request.user.get_priority(), 'base_template' : "base.html"})                              
    return render(request, 'dashboard/index.html', {'USER_LEVEL': 0, 'base_template' : "base_unlogged.html"})                              


    
def retrieve_env(request):
    try:
        #weather_status = WeatherWatch.objects.latest('updated')
        weather_status = get_latest_from_db_or_empty(WeatherWatch)
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty()
        plc_timeout = Config.objects.get(pk=1).plc_timeout_seconds
        timeout = (datetime.datetime.now() - plc_device_status.created).total_seconds()
        timeout_affichage = datetime.datetime.now() - datetime.timedelta(seconds=timeout)
        sunelev = get_sunelev()
        t = datetime.datetime.now() + datetime.timedelta(hours=-7)
        isDay = False
        if sunelev >= SUN_ELEV_DAY_THRESHOLD:
            isDay = True
        return render(request, 'dashboard/observation_status_env.html', locals())
    except WeatherWatch.DoesNotExist:
            raise Http404("No WeatherWatch matches the given query.")


'''
        Function that call celme code to determine sun elevation, maybe it should be moved somewhere else ?
'''

def get_sunelev():
    date = celme.dates.Date("now")
    site = celme.Site("MPC 244.5367  0.85792  +0.51292") # coords of san pedro martir site
    skyobj= {'planet':'Sun'}
    outputs = ['name','ra','dec','elev']

    target = celme.Target()
    target.define(skyobj)
    output0s = ['ra','dec']
    results = target.ephem(date,site,output0s)
    ra = results['RA']
    dec = results['DEC']
    skyobj= {'RA':ra , 'DEC':dec }
    target.define(skyobj)
    results = target.ephem(date,site,outputs)
    elev = round(results['ELEV'],2)
    return elev

def retrieve_env_navbar(request):

    '''
            Function which get the last status of the plc in th db, the config info, the sunelev, put it in a json
            and send it to the client.
            This function is called every REFRESH_ICONS_FREQUENCE_MILLISECONDS in base.html

    '''
    try:
        weather = get_weather_data()
        return HttpResponse(json.dumps(weather), content_type="application/json")
    except WeatherWatch.DoesNotExist:
        raise Http404("No WeatherWatch matches the given query.")

    '''
    ##if request.is_ajax():
    try:
        #weather_status = WeatherWatch.objects.latest('updated')
        weather_status = WeatherWatch.objects.latest('updated') if WeatherWatch.objects.all().exists() else WeatherWatch()
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created') if PlcDeviceStatus.objects.all().exists() else PlcDeviceStatus()
        if PlcDeviceStatus.objects.all().exists():
            plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        else:
            plc_device_status = PlcDeviceStatus()
            #plc_device_status.created='2018-07-26 12:48:49.949228'
            plc_device_status.created=datetime.datetime(2018, 6, 21, 9, 53, 30, 599462)
        plc_mode = plc_device_status.plc_mode
        is_safe = plc_device_status.is_safe
        weather = serializers.serialize('json', [weather_status])
        weather = json.loads(weather)
        ack = Config.objects.get(id=1).ack
        plc_timeout = Config.objects.get(pk=1).plc_timeout_seconds
        #if not PlcDeviceStatus.objects.all().exists() plc_device_status.created='2018-07-26 12:48:49.949228'
        #timeout = (datetime.datetime.now() - LAST_PLC_ITEM_TIME).total_seconds()
        timeout = (datetime.datetime.now() - plc_device_status.created).total_seconds()
        weather[0]['max_sunelev'] = SUN_ELEV_DAY_THRESHOLD
        #weather[0]['sunelev'] = 10
        weather[0]['sunelev'] = get_sunelev()
        weather[0]["plc_mode"] = plc_mode
        weather[0]["is_safe"] = is_safe
        weather[0]["ACK"] = ack
        weather[0]["plc_timeout"] = timeout
        weather[0]["max_plc_timeout"] = plc_timeout
        weather[0]["pyros_mode"] = Config.objects.get(id=1).pyros_state
        if SiteWatch.objects.all().exists():
            sitewatch = SiteWatch.objects.latest('updated')
        else:
            sitewatch = SiteWatch()
            #sitewatch.global_status='KO'
        weather[0]["sitewatch_global_status"] = sitewatch.global_status
        #weather[0]["sitewatch_global_status"] = SiteWatch.objects.latest('updated').global_status
        #weather[0]["sitewatch_global_status"] = SiteWatch.objects.latest('updated').global_status if SiteWatch.objects.all().exists() else SiteWatch()
        return HttpResponse(json.dumps(weather), content_type="application/json")
    except WeatherWatch.DoesNotExist:
        raise Http404("No WeatherWatch matches the given query.")
    '''


def retrieve_main_icon(request):
    if request.is_ajax():
        try:
            weather_status = WeatherWatch.objects.latest('updated')
            plc_mode = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created').plc_mode

            weather = serializers.serialize('json', [weather_status])
            weather = json.loads(weather)
            weather[0]["plc_mode"] = plc_mode
            weather[0]["sitewatch_global_status"] = SiteWatch.objects.latest('updated').global_status

            return HttpResponse(json.dumps(weather), content_type="application/json")
        except WeatherWatch.DoesNotExist:
            raise Http404("No WeatherWatch matches the given query.")

@login_required
@level_required(6)
def users(request):
    instance = PyrosUser.objects.order_by("-id")
    nb_of_scientific_program = ScientificProgram.objects.count()
    negative_nb_scientific_program = -nb_of_scientific_program
    return render(request, 'dashboard/users_management.html', {'instance': instance,"nb_of_scientific_program": nb_of_scientific_program,"negative_nb_scientific_program":negative_nb_scientific_program})                     # return the initial view (the users management's one) 

@login_required
@level_required(2)
def routines(request):
    url_ = reverse('admin:common_request_changelist')
    return redirect(url_)



def get_latest_from_db_or_empty(db_model):
    return db_model.objects.latest('updated') if db_model.objects.all().exists() else db_model()

def get_latest_plc_device_status_or_empty():
    if PlcDeviceStatus.objects.all().exists() and PlcDeviceStatus.objects.exclude(plc_mode=None).exists():
            plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
    else:
        # Create an empty object 
        plc_device_status = PlcDeviceStatus()
        # Set a dummy date
        #plc_device_status.created='2018-07-26 12:48:49.949228'
        plc_device_status.created=datetime.datetime(2018, 6, 21, 9, 53, 30, 599462)
        plc_device_status.is_safe = False
    return plc_device_status

def get_weather_data():
    #weather_status = WeatherWatch.objects.latest('updated') if WeatherWatch.objects.all().exists() else WeatherWatch()
    weather_status = get_latest_from_db_or_empty(WeatherWatch)
    plc_device_status = get_latest_plc_device_status_or_empty()
    plc_mode = plc_device_status.plc_mode
    is_safe = plc_device_status.is_safe
    weather = serializers.serialize('json', [weather_status])
    weather = json.loads(weather)
    ack = Config.objects.get(id=1).ack
    plc_timeout = Config.objects.get(pk=1).plc_timeout_seconds
    #if not PlcDeviceStatus.objects.all().exists() plc_device_status.created='2018-07-26 12:48:49.949228'
    #timeout = (datetime.datetime.now() - LAST_PLC_ITEM_TIME).total_seconds()
    # PM 20190416 TODO: Check error
    #timeout = (datetime.datetime.now() - plc_device_status.created).total_seconds()
    timeout = 0
    weather[0]['max_sunelev'] = SUN_ELEV_DAY_THRESHOLD
    #weather[0]['sunelev'] = 10
    weather[0]['sunelev'] = get_sunelev()
    weather[0]["plc_mode"] = plc_mode
    weather[0]["is_safe"] = is_safe
    weather[0]["ACK"] = ack
    weather[0]["plc_timeout"] = timeout
    weather[0]["max_plc_timeout"] = plc_timeout
    weather[0]["pyros_mode"] = Config.objects.get(id=1).pyros_state
    # only for retrieve_env_navbar:
    sitewatch = get_latest_from_db_or_empty(SiteWatch)
    '''
    if SiteWatch.objects.all().exists():
        sitewatch = SiteWatch.objects.latest('updated')
    else:
        sitewatch = SiteWatch()
        #sitewatch.global_status='KO'
    '''
    weather[0]["sitewatch_global_status"] = sitewatch.global_status
    #weather[0]["sitewatch_global_status"] = SiteWatch.objects.latest('updated').global_status
    #weather[0]["sitewatch_global_status"] = SiteWatch.objects.latest('updated').global_status if SiteWatch.objects.all().exists() else SiteWatch()
    return weather



def weather(request):
    if request.user.is_authenticated:
        return render(request, 'dashboard/reload_weather.html', {'base_template' : "base.html"})                                                                     # return the needed html file
    return render(request, 'dashboard/reload_weather.html', {'base_template' : "base_unlogged.html"})

def weather_current(request):
    # PM 20180718
    #if request.is_ajax():
    try:
        weather = get_weather_data()
        return HttpResponse(json.dumps(weather), content_type="application/json")
    except WeatherWatch.DoesNotExist:
        raise Http404("No WeatherWatch matches the given query.")
    '''
    try:
        #weather_status = WeatherWatch.objects.latest('updated')
        #weather_status = WeatherWatch.objects.latest('updated') if WeatherWatch.objects.all().exists() else WeatherWatch()
        EMPTY_TABLE = WeatherWatch.objects.all().exists()
        weather_status = WeatherWatch.objects.latest('updated') if not EMPTY_TABLE else WeatherWatch()
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created') if PlcDeviceStatus.objects.all().exists() else PlcDeviceStatus()
        plc_mode = plc_device_status.plc_mode
        is_safe = plc_device_status.is_safe
        weather = serializers.serialize('json', [weather_status])
        weather = json.loads(weather)
        ack = Config.objects.get(id=1).ack
        plc_timeout = Config.objects.get(pk=1).plc_timeout_seconds
        #timeout = (datetime.datetime.now() - plc_device_status.created).total_seconds()
        LAST_PLC_ITEM_TIME = plc_device_status.created if not EMPTY_TABLE else '2018-07-26 12:48:49.949228'
        timeout = (datetime.datetime.now() - LAST_PLC_ITEM_TIME).total_seconds()
        weather[0]['max_sunelev'] = SUN_ELEV_DAY_THRESHOLD
        weather[0]['sunelev'] = get_sunelev()
        weather[0]["plc_mode"] = plc_mode
        weather[0]["is_safe"] = is_safe
        weather[0]["ACK"] = ack
        weather[0]["plc_timeout"] = timeout
        weather[0]["max_plc_timeout"] = plc_timeout
        weather[0]["pyros_mode"] = Config.objects.get(id=1).pyros_state
        return HttpResponse(json.dumps(weather), content_type="application/json")
    except WeatherWatch.DoesNotExist:
        raise Http404("No WeatherWatch matches the given query.")
    '''

def weather_config(request):
    """ PM 20180926 prototype without database
        http://127.0.0.1:8000/dashboard/weather/config
        Moved to monitoring
        http://127.0.0.1:8000/monitoring/weather/config
    """
    try:
        # Import PLC status sensor parser
        from monitoring.plc_checker import PlcChecker
        # Parse PLC status in colibri-new-fixed-2.json
        #colibri_json = open("../simulators/plc/colibri-new-fixed-2.json")
        #colibri_struct = json.load(colibri_json)
        #plc_status = colibri_struct["statuses"][1]["entities"][0]
        plc_checker = PlcChecker()
        _struct = {"origin":plc_checker.origin, "sensors_table":plc_checker.sensors_table}
        # Return template with sensors list
        return render(request, 'dashboard/config_weather.html', {'weather_config' : _struct, 'base_template' : "base.html"})
    except Config.DoesNotExist:
        return render(request, 'dashboard/config_weather.html', {'weather_info' : None})

def weather_current_old(request):
    try:
        if (len(Config.objects.all()) == 1):
            monitoring = int(int(Config.objects.get(id=1).row_data_save_frequency) / 5)
        else:
            monitoring = 60
        if (len(WeatherWatch.objects.all()) > 0):
            weather_info = WeatherWatch.objects.order_by("-id")[:monitoring]                                                            # Use 300 seconds by default with an iteration every 5 seconds                                                                                     # Get the number of data available
        else:                                                                                                                           
            weather_info = None
        return render(request, 'dashboard/_current_weather.html', {'weather_info' : site_current, 'iteration' : monitoring})
    except Config.DoesNotExist:
        return render(request, 'dashboard/_current_weather.html', {'weather_info' : None, 'iteration' : 60})

def site(request):
    if request.user.is_authenticated:
        return render(request, 'dashboard/reload_site.html', {'base_template' : "base.html"})                        # return the needed html file
    return render(request, 'dashboard/reload_site.html', {'base_template' : "base_unlogged.html"})                        # return the needed html file

def site_current(request):
    try:
        if (len(Config.objects.all()) == 1):
            monitoring = int(int(Config.objects.get(id=1).row_data_save_frequency) / 5)
        else:
            monitoring = 60
        #if (len(SiteWatch.objects.all()) > 0):
        if SiteWatch.objects.all().exists():
            site_info = SiteWatch.objects.order_by("-id")[:monitoring]                                                               
        else:                                                                                                                           
            site_info = None
        return render(request, 'dashboard/current_site.html', {'site_info' : site_info, 'iteration' : monitoring, 'global_mode' : Config.objects.get(id=1).global_mode})
    except Config.DoesNotExist:
        return render(request, 'dashboard/current_site.html', {'site_info' : None, 'iteration' : 60})

@login_required
@level_required(2)
def proposal(request):
    if (len(ScientificProgram.objects.all()) > 0):                              # checking if the observatory table is empty
        proposal_info = ScientificProgram.objects.order_by("-id")[:100]         # Sorting Weather table
        nb_info_proposal = len(proposal_info)                                   # Get the number of data available

    else:                                                                       # if empty set everything to 0 / None (variables are checked in src/templates/scheduler/_current_weather.html)
        proposal_info = None
        nb_info_proposal = 0

    return render(request, 'dashboard/proposal.html', {'proposal_info' : proposal_info, 'nb_info_proposal' : nb_info_proposal})

@login_required
@level_required(5)
def configUpdate(request):
    instance = get_object_or_404(Config, id=1)
    form = ConfigForm(request.POST or None, instance=instance)
    if form.is_valid():
        form.save()
        return redirect('../user_manager/profile')
    return render(request, 'dashboard/configuration.html', {'form': form}) 
    

@login_required
def devices(request):
    url_ = reverse('admin:common_device_changelist')
    return redirect(url_)

@login_required
def system(request):
    return render(request, 'dashboard/system.html')

@login_required
def system_retrieve_logs(request):
    '''
        Called by the dashboard system page with ajax request every seconds, to get the logs and print them
    '''
    if request.is_ajax():
        alert_logs = Log.objects.filter(agent='Alert manager').order_by("-created")[:MAX_LOGS_LINES]
        scheduler_logs = Log.objects.filter(agent='Scheduler').order_by("-created")[:MAX_LOGS_LINES]
        majordome_logs = Log.objects.filter(agent='Majordome').order_by("-created")[:MAX_LOGS_LINES]
        obs_logs = Log.objects.filter(agent='Observation manager').order_by("-created")[:MAX_LOGS_LINES]
        analyzer_logs = Log.objects.filter(agent='Analyzer').order_by("-created")[:MAX_LOGS_LINES]
        monitoring_logs = Log.objects.filter(agent='Monitoring').order_by("-created")[:MAX_LOGS_LINES]
        return render(request, 'dashboard/system_logs.html', locals())


def schedule(request):
    url_ = reverse('admin:common_schedule_changelist')
    return redirect(url_)


@login_required
@level_required(6)
def quotas(request):
    url_ = reverse('admin:common_pyrosuser_changelist')
    return redirect(url_)

@login_required
@level_required(3)
def change_globalMode(request):
    try :
        config = get_object_or_404(Config, id=1)
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        if config.global_mode == False and plc_device_status.is_safe == False:
            return redirect('states')
        config.global_mode = not config.global_mode
        config.save()
        return redirect('states')
    except Config.DoesNotExist:
        return redirect('states')

@login_required
@level_required(4)
def change_bypass(request):
    try :
        config = get_object_or_404(Config, id=1)
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        if plc_device_status.is_safe == True:
            return redirect('states')
        config.bypass = not config.bypass
        config.save()
        return redirect('states')
    except Config.DoesNotExist:
        return redirect('states')

@login_required
@level_required(3)
def change_lock(request):
    try :
        config = get_object_or_404(Config, id=1)
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        if config.lock == False and plc_device_status.is_safe == False:
            return redirect('states')
        config.lock = not config.lock
        if (config.lock == True):
            config.ntc = not config.ntc
        config.save()
        return redirect('states')
    except Config.DoesNotExist:
        return redirect('states')

@login_required
@level_required(6)
def change_activate(request, pk):
    try :
        user = get_object_or_404(PyrosUser, pk=pk)
        user.is_active = not user.is_active
        text_mail = ""
        text_object = ""
        if (user.first_time == False and user.is_active == True):
            user.first_time = True
            text_mail = "Hi,\n\nCongratulations, your registration has been approved by the PI. Welcome to the PyROS Control Center.\n\nCordially,\n\nPyROS Control Center"
            text_object = "[PyROS CC] Welcome"
        # elif (user.is_active == True):
        #     text_mail = "Hi,\n\nYour account on the PyROS Control Center have been re-activated.\n\nCordially,\n\nPyROS Control Center"
        #     text_object = "[PyROS CC] Re-activation"
        # else :
        #     text_mail = "Hi,\n\nYour account on the PyROS Control Center have benn desactivated. Please contact the PI for futher information.\n\nCordially,\n\nPyROS Control Center"
        #     text_object = "[PyROS CC] Desactivation"
        user.save()
        send_mail(text_object, text_mail, '', [user.email], fail_silently=False,)
        return redirect('user-detail', pk=pk)
    except PyrosUser.DoesNotExist:
        return redirect('user-detail', pk=pk)



@login_required
@level_required(3)
def send_command_to_cameraVIS_1(request):

    data = ""
    with open('../simulators/config/grammar.json') as f:
        data = json.load(f, object_pairs_hook=OrderedDict)
        json_str = json.dumps(data)
    return render(request, "dashboard/send_command_cameraVIS_1.html", locals())

@login_required
@level_required(3)
def submit_command_to_cameraVIS_1(request):
    '''
            function called when a command it submitted for the cameraVIS_1 in the remote control page
            (called in the corresponding control_command file)
    '''

    if request.method == 'POST':
        commands = [request.POST.get("first_command"), request.POST.get("first_param")]
        try: #TODO faire un truc plus joli pour gérer les params queqlue soit leur nombre
            input_0 = request.POST.get("input_number_0")
            input_1 = request.POST.get("input_number_1")
            input_2 = request.POST.get("input_number_2")
            input_3 = request.POST.get("input_number_3")

            if input_0:
                commands.append(input_0)
            if input_1:
                commands.append(input_1)
            if input_2:
                commands.append(input_2)
            if input_3:
                commands.append(input_3)
        except Exception:
            pass
        response = CameraVISRemoteControlDefault(commands, expert_mode=False, chosen_camera="ddrago_r").exec_command()
        #TODO passer en JS pour send les réponses en  AJAX
    return redirect('send_command_to_cameraVIS_1')

@login_required
@level_required(3)
def submit_command_to_cameraVIS_1_expert(request):
    '''
            function called when a command it submitted in expert mode for the cameraVIS_1 in the remote control page
            (called in the corresponding control_command file)
    '''
    if request.method == 'POST':
        param = request.POST.get("commande_expert")
        if param:
            response = CameraVISRemoteControlDefault(param, expert_mode=True, chosen_camera="ddrago_r").exec_command()
            #os.system("echo \"status :" + response + "\" >> /home/portos/IRAP/pyros/src/status")
            return HttpResponse(json.dumps({'message': "Command send OK", 'response': response}))
        return HttpResponse(json.dumps({'message': "Missing command data"}))
    return redirect('submit_command_to_telescope')




@login_required
@level_required(3)
def send_command_to_cameraNIR(request):
    data = ""
    with open('../simulators/config/grammar.json') as f:
        data = json.load(f, object_pairs_hook=OrderedDict)
        json_str = json.dumps(data)
    return render(request, "dashboard/send_command_cameraNIR.html", locals())


@login_required
@level_required(3)
def submit_command_to_cameraNIR(request):
    '''
            function called when a command it submitted for the cameraNIR in the remote control page
            (called in the corresponding control_command file)
    '''
    if request.method == 'POST':
        commands = [request.POST.get("first_command"), request.POST.get("first_param")]
        try: #TODO faire un truc plus joli pour gérer les params queqlue soit leur nombre
            input_0 = request.POST.get("input_number_0")
            input_1 = request.POST.get("input_number_1")
            input_2 = request.POST.get("input_number_2")
            input_3 = request.POST.get("input_number_3")

            if input_0:
                commands.append(input_0)
            if input_1:
                commands.append(input_1)
            if input_2:
                commands.append(input_2)
            if input_3:
                commands.append(input_3)
        except Exception:
            pass
        response = CameraNIRRemoteControlDefault(commands, expert_mode=False).exec_command()
        #TODO passer en JS pour send les réponses en  AJAX
    return redirect('send_command_to_cameraNIR')

@login_required
@level_required(3)
def submit_command_to_cameraNIR_expert(request):
    '''
            function called when a command it submitted in expert mode for the cameraNIR in the remote control page
            (called in the corresponding control_command file)
    '''
    if request.method == 'POST':
        param = request.POST.get("commande_expert")
        if param:
            response = CameraNIRRemoteControlDefault(param, expert_mode=True).exec_command()
            return HttpResponse(json.dumps({'message': "Command send OK", 'response': response}))
        return HttpResponse(json.dumps({'message': "Missing command data"}))
    return redirect('submit_command_to_cameraNIR')


@login_required
@level_required(3)
def send_command_to_cameraVIS_2(request):
    data = ""
    with open('../simulators/config/grammar.json') as f:
        data = json.load(f, object_pairs_hook=OrderedDict)
        json_str = json.dumps(data)
    return render(request, "dashboard/send_command_cameraVIS_2.html", locals())

@login_required
@level_required(3)
def submit_command_to_cameraVIS_2(request):
    '''
            function called when a command it submitted for the cameraVIS_2 in the remote control page
            (called in the corresponding control_command file)
    '''
    if request.method == 'POST':
        commands = [request.POST.get("first_command"), request.POST.get("first_param")]
        try: #TODO faire un truc plus joli pour gérer les params queqlue soit leur nombre
            input_0 = request.POST.get("input_number_0")
            input_1 = request.POST.get("input_number_1")
            input_2 = request.POST.get("input_number_2")
            input_3 = request.POST.get("input_number_3")

            if input_0:
                commands.append(input_0)
            if input_1:
                commands.append(input_1)
            if input_2:
                commands.append(input_2)
            if input_3:
                commands.append(input_3)
        except Exception:
            pass
        response = CameraVISRemoteControlDefault(commands, expert_mode=False, chosen_camera="ddrago_b").exec_command()
        #TODO passer en JS pour send les réponses en  AJAX
    return redirect('send_command_to_cameraVIS_2')

@login_required
@level_required(3)
def submit_command_to_cameraVIS_2_expert(request):
    '''
            function called when a command it submitted in expert mode for the cameraVIS_2 in the remote control page
            (called in the corresponding control_command file)
    '''
    if request.method == 'POST':
        param = request.POST.get("commande_expert")
        if param:
            response = CameraVISRemoteControlDefault(param, expert_mode=True, chosen_camera="ddrago_b").exec_command()
            return HttpResponse(json.dumps({'message': "Command send OK", 'response': response}))
        return HttpResponse(json.dumps({'message': "Missing command data"}))
    return redirect('submit_command_to_cameraVIS_2')




@login_required
@level_required(3)
def send_command_to_telescope(request):

    data = ""
    with open('../simulators/config/grammar.json') as f:
        data = json.load(f, object_pairs_hook=OrderedDict)
        json_str = json.dumps(data)
    return render(request, "dashboard/send_command_telescope.html", locals())

@login_required
@level_required(3)
def submit_command_to_telescope(request):
    '''
            function called when a command it submitted for the Telescope in the remote control page
            (called in control_command.js)
    '''
    if request.method == 'POST':
        commands = [request.POST.get("first_command"), request.POST.get("first_param")]
        try: #TODO faire un truc plus joli pour gérer les params quelque soit leur nombre la c'est du rapide super moche et max 4 input
            input_0 = request.POST.get("input_number_0")
            input_1 = request.POST.get("input_number_1")
            input_2 = request.POST.get("input_number_2")
            input_3 = request.POST.get("input_number_3")

            if input_0:
                commands.append(input_0)
            if input_1:
                commands.append(input_1)
            if input_2:
                commands.append(input_2)
            if input_3:
                commands.append(input_3)
        except Exception:
            pass
        request = ' '.join(commands)
        NEW_MODE = True
        if NEW_MODE:
            TelescopeCommand.objects.create(request=request)
        else:
            response = TelescopeRemoteControlDefault(commands, False).exec_command()
        #TODO passer en JS pour send les réponses en  AJAX
    return redirect('send_command_to_telescope')

@login_required
@level_required(3)
def submit_command_to_telescope_expert(request):
    '''
                function called when a command it submitted in expert mode for the Telescope in the remote control page
                (called in control_command.js)
    '''
    if request.method == 'POST':
        param = request.POST.get("commande_expert")
        if param:

            request = TelescopeCommand.objects.create(request=param)
            time.sleep(1)
            response = TelescopeCommand.objects.get(pk=request.id).answer
            return HttpResponse(json.dumps({'message': "Command send OK", 'response': response}))
        return HttpResponse(json.dumps({'message': "Missing command data"}))
    return redirect('submit_command_to_telescope')


@login_required
@level_required(3)
def submit_command_to_plc(request):
    if request.method == 'POST':
        param = request.POST.get("commande_expert")
        if param:
            plc_controller = PLC.PLCController()
            response = "Unrecognized command"
            if param.startswith("GET STATUS ") or param =="GET STATUS": #pas beau a revoir (classe dédiée ?)
                response = plc_controller.getStatus(param)
            elif param.startswith("SWITCH LIGHTS"):
                response = plc_controller.switch_lights(param)
            elif param.endswith(" SHUTTERS"):
                response = plc_controller.manage_shutters(param)
            return HttpResponse(json.dumps({'message': "Command send OK", 'response': response}))
        return HttpResponse(json.dumps({'message': "Missing command data"}))
    return redirect('submit_command_to_plc')


@login_required
@level_required(3)
def send_command_to_plc(request):
    return render(request, 'dashboard/send_command_to_plc.html')

@login_required
@level_required(2)
def user_detail_view(request,pk):
    try:
        is_last_user = PyrosUser.objects.count() == 1
        user_id=PyrosUser.objects.get(pk=pk)
        current_user = request.user
    except PyrosUser.DoesNotExist:
        raise Http404("User does not exist")
    return render(request, 'dashboard/user_detail.html', context={'user' : user_id, 'current_user' : current_user, 'USER_LEVEL': request.user.get_priority(), 'is_last_user' : is_last_user})

@login_required
@level_required(6)
def user_detail_edit(request,pk):
    edit = get_object_or_404(PyrosUser, pk=pk)
    form = UserForm(request.POST or None, instance=edit)
    if form.is_valid():
        form.save()
        return redirect('user-detail', pk=pk)
    return render(request, 'dashboard/user_detail_edit.html', {'form': form})

@login_required
@level_required(3)
def operator_state(request):
    instance = get_object_or_404(Config, id=1)
    #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
    plc_device_status = get_latest_plc_device_status_or_empty()
    return render(request, 'dashboard/operator_state.html', {'config' : instance, 'is_safe' : plc_device_status.is_safe})

@login_required
@level_required(3)
def simulator(request):
    try :
        config = get_object_or_404(Config, id=1)
        #plc_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_status = get_latest_plc_device_status_or_empty()
        return(render(request, 'dashboard/simulator.html', locals()))
    except Config.DoesNotExist:
        return redirect('simulator')


@login_required
@level_required(7)
def simulator_switch_ack(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.ack = not config.ack
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

# if safe => switch to unsafe
# if unsafe => switch to safe
@login_required
@level_required(7)
def simulator_switch_safe(request):
    try :
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        plc_device_status.is_safe = not plc_device_status.is_safe
        plc_device_status.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_give_auto(request):
    try :
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        plc_device_status.plc_mode = "AUTO"
        plc_device_status.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_give_manu(request):
    try :
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        plc_device_status.plc_mode = "MANU"
        plc_device_status.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_give_ko(request):
    try :
        #plc_device_status = PlcDeviceStatus.objects.exclude(plc_mode=None).latest('created')
        plc_device_status = get_latest_plc_device_status_or_empty() 
        plc_device_status.plc_mode = "OFF"
        plc_device_status.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_switch_bypass(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.bypass = not config.bypass
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_switch_lock(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.lock = not config.lock
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_switch_globalMode(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.global_mode = not config.global_mode
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_majordome_restart(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.majordome_state = "OCS-RESTART"
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')

@login_required
@level_required(7)
def simulator_majordome_shutdown(request):
    try :
        config = get_object_or_404(Config, id=1)
        config.majordome_state = "OCS-SHUTDOWN"
        config.save()
        return redirect('simulator')
    except Config.DoesNotExist:
        return redirect('simulator')