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from django.shortcuts import render_to_response
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from django.template import RequestContext
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from django.shortcuts import redirect, render, get_object_or_404
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from django.contrib import messages
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from django.http import HttpResponse
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from apps.main.models import Device
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from apps.main.views import sidebar
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from .models import JARSConfiguration, JARSFilter
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from .forms import JARSConfigurationForm, JARSFilterForm, JARSImportForm
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import json
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# Create your views here.
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def jars_conf(request, id_conf):
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conf = get_object_or_404(JARSConfiguration, pk=id_conf)
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filter_parms = json.loads(conf.filter_parms)
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kwargs = {}
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kwargs['filter'] = filter_parms
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kwargs['filter_obj'] = JARSFilter.objects.get(pk=1)
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kwargs['filter_keys'] = ['clock', 'multiplier', 'frequency', 'f_decimal',
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'cic_2', 'scale_cic_2', 'cic_5', 'scale_cic_5', 'fir',
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'scale_fir', 'number_taps', 'taps']
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filter_resolution = conf.filter_resolution()
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kwargs['resolution'] = '{} (MHz)'.format(filter_resolution)
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if filter_resolution < 1:
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kwargs['resolution'] = '{} (kHz)'.format(filter_resolution*1000)
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kwargs['status'] = conf.device.get_status_display()
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kwargs['dev_conf'] = conf
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kwargs['dev_conf_keys'] = ['cards_number', 'channels_number', 'channels',
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'ftp_interval', 'data_type','acq_profiles',
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'profiles_block', 'raw_data_blocks', 'ftp_interval',
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'cohe_integr_str', 'cohe_integr', 'decode_data', 'post_coh_int',
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'incohe_integr', 'fftpoints', 'spectral_number',
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'spectral', 'create_directory', 'include_expname',
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'save_ch_dc', 'save_data']
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if conf.exp_type == 0:
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for field in ['incohe_integr','fftpoints','spectral_number', 'spectral', 'save_ch_dc']:
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kwargs['dev_conf_keys'].remove(field)
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if conf.decode_data == 0:
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kwargs['dev_conf_keys'].remove('decode_data')
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kwargs['dev_conf_keys'].remove('post_coh_int')
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kwargs['title'] = 'JARS Configuration'
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kwargs['suptitle'] = 'Details'
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###### SIDEBAR ######
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kwargs.update(sidebar(conf=conf))
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return render(request, 'jars_conf.html', kwargs)
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def jars_conf_edit(request, id_conf):
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conf = get_object_or_404(JARSConfiguration, pk=id_conf)
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filter_parms = json.loads(conf.filter_parms)
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if request.method=='GET':
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form = JARSConfigurationForm(instance=conf)
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filter_form = JARSFilterForm(initial=filter_parms)
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if request.method=='POST':
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form = JARSConfigurationForm(request.POST, instance=conf)
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filter_form = JARSFilterForm(request.POST)
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if filter_form.is_valid():
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jars_filter = filter_form.cleaned_data
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jars_filter['id'] = request.POST['filter_template']
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else:
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messages.error(request, filter_form.errors)
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if form.is_valid():
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conf = form.save(commit=False)
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conf.filter_parms = json.dumps(jars_filter)
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conf.save()
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return redirect('url_jars_conf', id_conf=conf.id)
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kwargs = {}
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kwargs['id_dev'] = conf.id
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kwargs['form'] = form
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kwargs['filter_form'] = filter_form
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kwargs['filter_name'] = JARSFilter.objects.get(pk=filter_parms['id']).name
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kwargs['title'] = 'Device Configuration'
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kwargs['suptitle'] = 'Edit'
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kwargs['button'] = 'Save'
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return render(request, 'jars_conf_edit.html', kwargs)
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def import_file(request, conf_id):
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conf = get_object_or_404(JARSConfiguration, pk=conf_id)
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if request.method=='POST':
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form = JARSImportForm(request.POST, request.FILES)
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if form.is_valid():
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try:
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data = conf.import_from_file(request.FILES['file_name'])
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conf.dict_to_parms(data)
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messages.success(request, 'Configuration "%s" loaded succesfully' % request.FILES['file_name'])
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return redirect(conf.get_absolute_url_edit())
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except Exception as e:
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messages.error(request, 'Error parsing file: "%s" - %s' % (request.FILES['file_name'], repr(e)))
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else:
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messages.warning(request, 'Your current configuration will be replaced')
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form = JARSImportForm()
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kwargs = {}
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kwargs['form'] = form
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kwargs['title'] = 'JARS Configuration'
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kwargs['suptitle'] = 'Import file'
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kwargs['button'] = 'Upload'
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kwargs['previous'] = conf.get_absolute_url()
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return render(request, 'jars_import.html', kwargs)
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def read_conf(request, conf_id):
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conf = get_object_or_404(JARSConfiguration, pk=conf_id)
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#filter = get_object_or_404(JARSfilter, pk=filter_id)
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if request.method=='GET':
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parms = conf.read_device()
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conf.status_device()
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if not parms:
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messages.error(request, conf.message)
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return redirect(conf.get_absolute_url())
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form = JARSConfigurationForm(initial=parms, instance=conf)
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if request.method=='POST':
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form = JARSConfigurationForm(request.POST, instance=conf)
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if form.is_valid():
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form.save()
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return redirect(conf.get_absolute_url())
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messages.error(request, "Parameters could not be saved")
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kwargs = {}
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kwargs['id_dev'] = conf.id
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kwargs['filter_id'] = conf.filter.id
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kwargs['form'] = form
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kwargs['title'] = 'Device Configuration'
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kwargs['suptitle'] = 'Parameters read from device'
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kwargs['button'] = 'Save'
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###### SIDEBAR ######
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kwargs.update(sidebar(conf=conf))
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return render(request, 'jars_conf_edit.html', kwargs)
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def change_filter(request, conf_id, filter_id):
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conf = get_object_or_404(JARSConfiguration, pk=conf_id)
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filter = get_object_or_404(JARSFilter, pk=filter_id)
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conf.filter_parms = json.dumps(filter.jsonify())
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conf.save()
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return redirect('url_edit_jars_conf', id_conf=conf.id)
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def get_log(request, conf_id):
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conf = get_object_or_404(JARSConfiguration, pk=conf_id)
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response = conf.get_log()
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if not response:
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message = conf.message
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messages.error(request, message)
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return redirect('url_jars_conf', id_conf=conf.id)
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try:
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message = response.json()['message']
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messages.error(request, message)
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return redirect('url_jars_conf', id_conf=conf.id)
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except Exception as e:
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message = 'Restarting Report.txt has been downloaded successfully.'
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content = response
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filename = 'Log_%s_%s.txt' %(conf.experiment.name, conf.experiment.id)
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response = HttpResponse(content,content_type='text/plain')
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response['Content-Disposition'] = 'attachment; filename="%s"' %filename
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return response
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