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This commit is about adding export as json for event data #249

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merged 1 commit into from Apr 1, 2020
Merged

This commit is about adding export as json for event data #249

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5 changes: 4 additions & 1 deletion mercury/templates/events.html
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Expand Up @@ -84,7 +84,10 @@ <h1>All Events</h1>
<td>{{ item.date }}</td>
<td>{{ item.description }}</td>
<td>
<a class="grafana-btn grafana-btn-green" href="export/{{ item.uuid }}">Export</a>
<a class="grafana-btn grafana-btn-green" href="export/{{ item.uuid }}/csv">Export CSV</a>
<br><br>
<a class="grafana-btn grafana-btn-green" href="export/{{ item.uuid }}/json">Export JSON</a>
<br><br>
<a class="grafana-btn grafana-btn-red" href="delete/{{ item.uuid }}">Delete</a>
</td>
</tr>
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3 changes: 2 additions & 1 deletion mercury/urls.py
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Expand Up @@ -37,7 +37,8 @@
path("events/delete/<uuid:event_uuid>", events.delete_event),
path("events/update/<uuid:event_uuid>", events.update_event),
path("events/updatevenue/<uuid:venue_uuid>", events.update_venue),
path("events/export/<uuid:event_uuid>", events.export_event),
path("events/export/<uuid:event_uuid>/csv", events.export_event),
path("events/export/<uuid:event_uuid>/json", events.export_event),
path("pitcrew/", pitcrew.PitCrewView.as_view(), name="pitcrew"),
path("gfconfig/", gf_config.GFConfigView.as_view(), name="gfconfig"),
path(
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111 changes: 74 additions & 37 deletions mercury/views/events.py
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@@ -1,16 +1,17 @@
import csv
import logging

from django.contrib import messages
from django.http import HttpResponse
from django.shortcuts import render
from django.shortcuts import redirect
from django.shortcuts import render
from django.views.generic import TemplateView
from ..event_check import require_event_code
from mercury.forms import EventForm, VenueForm

from ag_data.models import AGMeasurement, AGEvent, AGVenue, AGSensor
from django.contrib import messages
from mercury.forms import EventForm, VenueForm
from mercury.grafanaAPI.grafana_api import Grafana
from mercury.models import GFConfig
from ..event_check import require_event_code

log = logging.getLogger(__name__)
log.setLevel(logging.ERROR)
Expand Down Expand Up @@ -47,48 +48,84 @@ def delete_event(request, event_uuid=None):
return redirect("/events")


def export_event(request, event_uuid=None):
def export_event(request, event_uuid=None, file_format="CSV"):
event_to_export = AGEvent.objects.get(uuid=event_uuid)
if event_to_export:
response = HttpResponse(content_type="text/csv")
filename = event_to_export.name.replace(" ", "").lower()
response["Content-Disposition"] = 'attachment; filename="' + filename + '".csv'
measurement_data = AGMeasurement.objects.filter(event_uuid=event_uuid)
if len(measurement_data) == 0:
return redirect("/events")
writer = csv.writer(response)
writer.writerow(
[
"S.No",
"Event Name",
"Event Date",
"Event Description",
"Venue Name",
"Sensor Name",
"Sensor Data TimeStamp",
"Sensor Value",
]
)
i = 0
venue = AGVenue.objects.get(uuid=event_to_export.venue_uuid.uuid)
sensor = AGSensor.objects.get(id=measurement_data[0].sensor_id.id)
for measurement in measurement_data:
i += 1
if sensor.id != measurement.sensor_id:
sensor = AGSensor.objects.get(id=measurement.sensor_id.id)
if request.path.__contains__("json"):
event_info = {
"name": event_to_export.name,
"event date": str(event_to_export.date),
"event description": event_to_export.description,
}
if venue:
event_info["venue name"] = venue.name
event_info["venue description"] = venue.description

measurement_info = []
if measurement_data:
sensor = AGSensor.objects.get(id=measurement_data[0].sensor_id.id)
for measurement in measurement_data:
if sensor.id != measurement.sensor_id:
sensor = AGSensor.objects.get(id=measurement.sensor_id.id)
temp = {
"sensor name": sensor.name,
"timestamp": str(measurement.timestamp),
"reading": measurement.value["reading"],
}
measurement_info.append(temp)

data = {
"event_info": event_info,
"measurement_info": measurement_info,
}

response = HttpResponse(str(data), content_type="application/json")
response["Content-Disposition"] = (
'attachment; filename="' + filename + '".json'
)
return response
else:
response = HttpResponse(content_type="text/csv")
response["Content-Disposition"] = (
'attachment; filename="' + filename + '".csv'
)
if len(measurement_data) == 0:
return redirect("/events")
writer = csv.writer(response)
writer.writerow(
[
str(i),
event_to_export.name,
event_to_export.date,
event_to_export.description,
venue.name,
sensor.name,
measurement.timestamp,
measurement.value["reading"],
"S.No",
"Event Name",
"Event Date",
"Event Description",
"Venue Name",
"Sensor Name",
"Sensor Data TimeStamp",
"Sensor Value",
]
)
return response
i = 0
sensor = AGSensor.objects.get(id=measurement_data[0].sensor_id.id)
for measurement in measurement_data:
i += 1
if sensor.id != measurement.sensor_id:
sensor = AGSensor.objects.get(id=measurement.sensor_id.id)
writer.writerow(
[
str(i),
event_to_export.name,
event_to_export.date,
event_to_export.description,
venue.name,
sensor.name,
measurement.timestamp,
measurement.value["reading"],
]
)
return response
else:
return redirect("/events")

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