Split up views into separate modules

todo/views/list_detail.py

@@ -0,0 +1,84 @@
+import bleach
+from django.contrib import messages
+from django.contrib.auth.decorators import login_required
+from django.core.exceptions import PermissionDenied
+from django.http import HttpResponse
+from django.shortcuts import get_object_or_404, redirect, render
+from django.utils import timezone
+
+from todo.forms import AddEditTaskForm
+from todo.models import Task, TaskList
+from todo.utils import send_notify_mail
+
+
+@login_required
+def list_detail(request, list_id=None, list_slug=None, view_completed=False) -> HttpResponse:
+    """Display and manage tasks in a todo list.
+    """
+
+    # Defaults
+    task_list = None
+    form = None
+
+    # Which tasks to show on this list view?
+    if list_slug == "mine":
+        tasks = Task.objects.filter(assigned_to=request.user)
+
+    else:
+        # Show a specific list, ensuring permissions.
+        task_list = get_object_or_404(TaskList, id=list_id)
+        if task_list.group not in request.user.groups.all() and not request.user.is_staff:
+            raise PermissionDenied
+        tasks = Task.objects.filter(task_list=task_list.id)
+
+    # Additional filtering
+    if view_completed:
+        tasks = tasks.filter(completed=True)
+    else:
+        tasks = tasks.filter(completed=False)
+
+    # ######################
+    #  Add New Task Form
+    # ######################
+
+    if request.POST.getlist("add_edit_task"):
+        form = AddEditTaskForm(
+            request.user,
+            request.POST,
+            initial={"assigned_to": request.user.id, "priority": 999, "task_list": task_list},
+        )
+
+        if form.is_valid():
+            new_task = form.save(commit=False)
+            new_task.created_date = timezone.now()
+            new_task.note = bleach.clean(form.cleaned_data["note"], strip=True)
+            form.save()
+
+            # Send email alert only if Notify checkbox is checked AND assignee is not same as the submitter
+            if (
+                "notify" in request.POST
+                and new_task.assigned_to
+                and new_task.assigned_to != request.user
+            ):
+                send_notify_mail(new_task)
+
+            messages.success(request, 'New task "{t}" has been added.'.format(t=new_task.title))
+            return redirect(request.path)
+    else:
+        # Don't allow adding new tasks on some views
+        if list_slug not in ["mine", "recent-add", "recent-complete"]:
+            form = AddEditTaskForm(
+                request.user,
+                initial={"assigned_to": request.user.id, "priority": 999, "task_list": task_list},
+            )
+
+    context = {
+        "list_id": list_id,
+        "list_slug": list_slug,
+        "task_list": task_list,
+        "form": form,
+        "tasks": tasks,
+        "view_completed": view_completed,
+    }
+
+    return render(request, "todo/list_detail.html", context)