Big update

iotDashboard/views.py

@@ -1,18 +1,86 @@
-from django.http import HttpResponse
+from django.http import HttpResponse, request, JsonResponse
 from django.db import connections
-
-def my_custom_sql():
-    with connections['data'].cursor() as cursor:
-        # cursor.execute("SELECT * FROM conditions WHERE device='livingroom';"
-        cursor.execute("SELECT * FROM conditions WHERE time > NOW() - INTERVAL '50 days' ;")
-        row = cursor.fetchall()
-        keys = ("time","device","tempreature","humidity")
-    return row
+from django.shortcuts import render, redirect, get_object_or_404
+from .models import Device
+from .forms import DeviceForm
 
 
 
+def fetch_device_data(request):
+    device = request.GET.get('device', 'livingroom')
+    start_date = request.GET.get('start_date')
+    end_date = request.GET.get('end_date')
+
+    query = """
+            SELECT time, temperature, humidity
+            FROM conditions
+            WHERE device = %s
+        """
+    params = [device]
+
+    if start_date:
+        query += " AND time >= %s"
+        params.append(start_date)
+
+    if end_date:
+        query += " AND time <= %s"
+        params.append(end_date)
+
+    with connections["data"].cursor() as cursor:
+        cursor.execute(query, params)
+        rows = cursor.fetchall()
+
+    times = [row[0].strftime('%Y-%m-%d %H:%M:%S') for row in rows]
+    temperatures = [row[1] for row in rows]
+    humidities = [row[2] for row in rows]
+
+    return JsonResponse({
+        'times': times,
+        'temperatures': temperatures,
+        'humidities': humidities,
+    })
+def chart(request):
+    devices = Device.objects.all()
+    context = {'devices': devices}
+    return render(request, 'chart.html', context)
 
 def index(request):
     if request.user.is_authenticated:
-        return HttpResponse(my_custom_sql())
-    return HttpResponse("NOT AUTHENTICATED!!!")
+        return HttpResponse(chart())
+    return HttpResponse("NOT AUTHENTICATED!!!")
+def device_list(request):
+    devices = Device.objects.all()
+    return render(request, 'device_list.html', {'devices': devices})
+
+def add_device(request):
+    if request.method == 'POST':
+        form = DeviceForm(request.POST)
+        if form.is_valid():
+            form.save()
+            return redirect('device_list')
+    else:
+        form = DeviceForm()
+    return render(request, 'device_form.html', {'form': form})
+
+def edit_device(request, pk):
+    device = get_object_or_404(Device, pk=pk)
+    if request.method == 'POST':
+        form = DeviceForm(request.POST, instance=device)
+        if form.is_valid():
+            form.save()
+            return redirect('device_list')
+    else:
+        form = DeviceForm(instance=device)
+    return render(request, 'device_form.html', {'form': form})
+
+def delete_device(request, pk):
+    device = get_object_or_404(Device, pk=pk)
+    if request.method == 'POST':
+        device.delete()
+        return redirect('device_list')
+    return render(request, 'device_confirm_delete.html', {'device': device})
+
+def login_view():
+    pass
+def logout_view():
+    pass