Split up views into separate modules

todo/views/task_detail.py

@@ -0,0 +1,76 @@
+import datetime
+
+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 todo.forms import AddEditTaskForm
+from todo.models import Comment, Task
+from todo.utils import send_email_to_thread_participants, toggle_task_completed
+
+
+@login_required
+def task_detail(request, task_id: int) -> HttpResponse:
+    """View task details. Allow task details to be edited. Process new comments on task.
+    """
+
+    task = get_object_or_404(Task, pk=task_id)
+    comment_list = Comment.objects.filter(task=task_id)
+
+    # Ensure user has permission to view task. Admins can view all tasks.
+    # Get the group this task belongs to, and check whether current user is a member of that group.
+    if task.task_list.group not in request.user.groups.all() and not request.user.is_staff:
+        raise PermissionDenied
+
+    # Save submitted comments
+    if request.POST.get("add_comment"):
+        Comment.objects.create(
+            author=request.user,
+            task=task,
+            body=bleach.clean(request.POST["comment-body"], strip=True),
+        )
+
+        send_email_to_thread_participants(
+            task,
+            request.POST["comment-body"],
+            request.user,
+            subject='New comment posted on task "{}"'.format(task.title),
+        )
+        messages.success(request, "Comment posted. Notification email sent to thread participants.")
+
+    # Save task edits
+    if request.POST.get("add_edit_task"):
+        form = AddEditTaskForm(
+            request.user, request.POST, instance=task, initial={"task_list": task.task_list}
+        )
+
+        if form.is_valid():
+            item = form.save(commit=False)
+            item.note = bleach.clean(form.cleaned_data["note"], strip=True)
+            item.save()
+            messages.success(request, "The task has been edited.")
+            return redirect(
+                "todo:list_detail", list_id=task.task_list.id, list_slug=task.task_list.slug
+            )
+    else:
+        form = AddEditTaskForm(request.user, instance=task, initial={"task_list": task.task_list})
+
+    # Mark complete
+    if request.POST.get("toggle_done"):
+        results_changed = toggle_task_completed(task.id)
+        if results_changed:
+            messages.success(request, f"Changed completion status for task {task.id}")
+
+        return redirect("todo:task_detail", task_id=task.id)
+
+    if task.due_date:
+        thedate = task.due_date
+    else:
+        thedate = datetime.datetime.now()
+
+    context = {"task": task, "comment_list": comment_list, "form": form, "thedate": thedate}
+
+    return render(request, "todo/task_detail.html", context)