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452
dashboard_project/dashboard/views.py
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452
dashboard_project/dashboard/views.py
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# dashboard/views.py
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import json
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from datetime import timedelta
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.core.paginator import Paginator
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from django.db.models import Avg, Q
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from django.http import JsonResponse
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from django.shortcuts import get_object_or_404, redirect, render
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from django.utils import timezone
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from .forms import DashboardForm, DataSourceUploadForm
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from .models import ChatSession, Dashboard, DataSource
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from .utils import generate_dashboard_data, process_csv_file
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@login_required
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def dashboard_view(request):
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"""Main dashboard view"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return render(request, "dashboard/no_company.html")
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# Get the user's dashboards or create a default one
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dashboards = Dashboard.objects.filter(company=company)
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if not dashboards.exists():
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# Create a default dashboard if none exists
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data_sources = DataSource.objects.filter(company=company)
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if data_sources.exists():
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default_dashboard = Dashboard.objects.create(
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name="Default Dashboard",
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description="Automatically created dashboard",
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company=company,
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)
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default_dashboard.data_sources.set(data_sources)
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dashboards = [default_dashboard]
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else:
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# No data sources available
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return redirect("upload_data")
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# Use the first dashboard by default or the one specified in the request
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selected_dashboard_id = request.GET.get("dashboard_id")
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if selected_dashboard_id:
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selected_dashboard = get_object_or_404(Dashboard, id=selected_dashboard_id, company=company)
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else:
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selected_dashboard = dashboards.first()
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# Generate dashboard data
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dashboard_data = generate_dashboard_data(selected_dashboard.data_sources.all())
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# Convert dashboard data to JSON for use in JavaScript
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dashboard_data_json = json.dumps(
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{
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"sentiment_data": dashboard_data["sentiment_data"],
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"country_data": dashboard_data["country_data"],
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"category_data": dashboard_data["category_data"],
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"time_series_data": dashboard_data["time_series_data"],
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}
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)
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context = {
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"dashboards": dashboards,
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"selected_dashboard": selected_dashboard,
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"dashboard_data": dashboard_data,
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"dashboard_data_json": dashboard_data_json,
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}
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return render(request, "dashboard/dashboard.html", context)
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@login_required
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def upload_data_view(request):
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"""View for uploading CSV files"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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if request.method == "POST":
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form = DataSourceUploadForm(request.POST, request.FILES, company=company)
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if form.is_valid():
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data_source = form.save()
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# Process the uploaded CSV file
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success, message = process_csv_file(data_source)
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if success:
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messages.success(request, f"File uploaded successfully. {message}")
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# Add the new data source to all existing dashboards
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dashboards = Dashboard.objects.filter(company=company)
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for dashboard in dashboards:
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dashboard.data_sources.add(data_source)
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return redirect("dashboard")
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else:
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# If processing failed, delete the data source
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data_source.delete()
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messages.error(request, message)
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else:
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messages.error(request, "Form is invalid. Please correct the errors.")
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else:
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form = DataSourceUploadForm()
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# List existing data sources
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data_sources = DataSource.objects.filter(company=company).order_by("-uploaded_at")
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context = {
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"form": form,
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"data_sources": data_sources,
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}
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return render(request, "dashboard/upload.html", context)
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@login_required
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def data_source_detail_view(request, data_source_id):
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"""View for viewing details of a data source"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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data_source = get_object_or_404(DataSource, id=data_source_id, company=company)
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# Get all chat sessions for this data source
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chat_sessions = ChatSession.objects.filter(data_source=data_source).order_by("-start_time")
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# Pagination
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paginator = Paginator(chat_sessions, 20) # Show 20 records per page
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page_number = request.GET.get("page")
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page_obj = paginator.get_page(page_number)
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context = {
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"data_source": data_source,
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"page_obj": page_obj,
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}
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return render(request, "dashboard/data_source_detail.html", context)
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@login_required
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def chat_session_detail_view(request, session_id):
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"""View for viewing details of a chat session"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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chat_session = get_object_or_404(ChatSession, session_id=session_id, data_source__company=company)
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context = {
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"session": chat_session,
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}
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return render(request, "dashboard/chat_session_detail.html", context)
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@login_required
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def create_dashboard_view(request):
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"""View for creating a custom dashboard"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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if request.method == "POST":
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form = DashboardForm(request.POST, company=company)
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if form.is_valid():
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dashboard = form.save()
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messages.success(request, f"Dashboard '{dashboard.name}' created successfully.")
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return redirect("dashboard")
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else:
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messages.error(request, "Failed to create dashboard. Please correct the errors.")
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else:
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form = DashboardForm(company=company)
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context = {
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"form": form,
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"is_create": True,
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}
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return render(request, "dashboard/dashboard_form.html", context)
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@login_required
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def edit_dashboard_view(request, dashboard_id):
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"""View for editing a dashboard"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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dashboard = get_object_or_404(Dashboard, id=dashboard_id, company=company)
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if request.method == "POST":
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form = DashboardForm(request.POST, instance=dashboard, company=company)
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if form.is_valid():
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dashboard = form.save()
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messages.success(request, f"Dashboard '{dashboard.name}' updated successfully.")
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return redirect("dashboard")
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else:
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messages.error(request, "Failed to update dashboard. Please correct the errors.")
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else:
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form = DashboardForm(instance=dashboard, company=company)
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context = {
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"form": form,
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"dashboard": dashboard,
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"is_create": False,
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}
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return render(request, "dashboard/dashboard_form.html", context)
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@login_required
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def delete_dashboard_view(request, dashboard_id):
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"""View for deleting a dashboard"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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dashboard = get_object_or_404(Dashboard, id=dashboard_id, company=company)
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if request.method == "POST":
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dashboard_name = dashboard.name
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dashboard.delete()
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messages.success(request, f"Dashboard '{dashboard_name}' deleted successfully.")
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return redirect("dashboard")
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context = {
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"dashboard": dashboard,
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}
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return render(request, "dashboard/dashboard_confirm_delete.html", context)
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@login_required
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def delete_data_source_view(request, data_source_id):
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"""View for deleting a data source"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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data_source = get_object_or_404(DataSource, id=data_source_id, company=company)
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if request.method == "POST":
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data_source_name = data_source.name
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data_source.delete()
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messages.success(request, f"Data source '{data_source_name}' deleted successfully.")
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return redirect("upload_data")
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context = {
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"data_source": data_source,
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}
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return render(request, "dashboard/data_source_confirm_delete.html", context)
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# API views for dashboard data
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@login_required
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def dashboard_data_api(request, dashboard_id):
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"""API endpoint for dashboard data"""
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user = request.user
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company = user.company
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if not company:
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return JsonResponse({"error": "User not associated with a company"}, status=403)
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dashboard = get_object_or_404(Dashboard, id=dashboard_id, company=company)
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dashboard_data = generate_dashboard_data(dashboard.data_sources.all())
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return JsonResponse(dashboard_data)
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@login_required
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def search_chat_sessions(request):
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"""View for searching chat sessions"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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query = request.GET.get("q", "")
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data_source_id = request.GET.get("data_source_id")
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# Base queryset
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chat_sessions = ChatSession.objects.filter(data_source__company=company)
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# Filter by data source if provided
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if data_source_id:
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chat_sessions = chat_sessions.filter(data_source_id=data_source_id)
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# Apply search query if provided
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if query:
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chat_sessions = chat_sessions.filter(
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Q(session_id__icontains=query)
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| Q(country__icontains=query)
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| Q(language__icontains=query)
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| Q(sentiment__icontains=query)
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| Q(category__icontains=query)
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| Q(initial_msg__icontains=query)
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| Q(full_transcript__icontains=query)
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)
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# Order by most recent first
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chat_sessions = chat_sessions.order_by("-start_time")
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# Pagination
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paginator = Paginator(chat_sessions, 20) # Show 20 records per page
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page_number = request.GET.get("page")
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page_obj = paginator.get_page(page_number)
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# Get data source for context if filtered by data source
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data_source = None
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if data_source_id:
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data_source = get_object_or_404(DataSource, id=data_source_id, company=company)
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context = {
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"query": query,
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"page_obj": page_obj,
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"data_source": data_source,
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}
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return render(request, "dashboard/search_results.html", context)
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@login_required
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def data_view(request):
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"""View for viewing all data with filtering options"""
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user = request.user
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company = user.company
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if not company:
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messages.warning(
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request,
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"You are not associated with any company. Please contact an administrator.",
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)
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return redirect("dashboard")
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# Get available data sources
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data_sources = DataSource.objects.filter(company=company)
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# Get selected data source if any
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data_source_id = request.GET.get("data_source_id")
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selected_data_source = None
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if data_source_id:
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selected_data_source = get_object_or_404(DataSource, id=data_source_id, company=company)
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# Base queryset
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chat_sessions = ChatSession.objects.filter(data_source__company=company)
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# Apply data source filter if selected
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if selected_data_source:
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chat_sessions = chat_sessions.filter(data_source=selected_data_source)
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# Apply view filter if any
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view = request.GET.get("view", "all")
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if view == "recent":
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# Sessions from the last 7 days
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seven_days_ago = timezone.now() - timedelta(days=7)
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chat_sessions = chat_sessions.filter(start_time__gte=seven_days_ago)
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elif view == "positive":
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# Sessions with positive sentiment
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chat_sessions = chat_sessions.filter(Q(sentiment__icontains="positive"))
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elif view == "negative":
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# Sessions with negative sentiment
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chat_sessions = chat_sessions.filter(Q(sentiment__icontains="negative"))
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elif view == "escalated":
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# Escalated sessions
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chat_sessions = chat_sessions.filter(escalated=True)
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# Order by most recent first
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chat_sessions = chat_sessions.order_by("-start_time")
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# Calculate some statistics
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total_sessions = chat_sessions.count()
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avg_response_time = (
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chat_sessions.filter(avg_response_time__isnull=False).aggregate(avg=Avg("avg_response_time"))["avg"] or 0
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)
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avg_messages = chat_sessions.filter(messages_sent__gt=0).aggregate(avg=Avg("messages_sent"))["avg"] or 0
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escalated_count = chat_sessions.filter(escalated=True).count()
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escalation_rate = (escalated_count / total_sessions * 100) if total_sessions > 0 else 0
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# Pagination
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paginator = Paginator(chat_sessions, 20) # Show 20 records per page
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page_number = request.GET.get("page")
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page_obj = paginator.get_page(page_number)
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context = {
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"data_sources": data_sources,
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"selected_data_source": selected_data_source,
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"page_obj": page_obj,
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"view": view,
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"avg_response_time": avg_response_time,
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"avg_messages": avg_messages,
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"escalation_rate": escalation_rate,
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}
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return render(request, "dashboard/data_view.html", context)
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