From b2aad325792488b50edfc4295b5d4e9064dd6375 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E4=BE=9D=E7=91=AA=E8=B2=93?= <imacat@mail.imacat.idv.tw>
Date: Sun, 9 Aug 2020 22:53:56 +0800
Subject: [PATCH] Added to delete a user account in the Mia core application.

---
 mia_core/urls.py  |  3 +--
 mia_core/views.py | 32 +++++++++++++++++++++++++++++++-
 2 files changed, 32 insertions(+), 3 deletions(-)

diff --git a/mia_core/urls.py b/mia_core/urls.py
index e0596eb..db44290 100644
--- a/mia_core/urls.py
+++ b/mia_core/urls.py
@@ -32,8 +32,7 @@ urlpatterns = [
     path("users/<user:user>", views.UserView.as_view(), name="users.detail"),
     path("users/<user:user>/edit", views.user_form, name="users.edit"),
     path("users/<user:user>/update", views.user_store, name="users.update"),
-    # TODO: To be done.
-    path("users/<user:user>/delete", views.todo, name="users.delete"),
+    path("users/<user:user>/delete", views.user_delete, name="users.delete"),
     path("api/users/<str:login_id>/exists", views.api_users_exists,
          name="api.users.exists"),
     # TODO: To be done.
diff --git a/mia_core/views.py b/mia_core/views.py
index 0ca57c2..5476ec2 100644
--- a/mia_core/views.py
+++ b/mia_core/views.py
@@ -138,7 +138,7 @@ def user_store(request, user=None):
     user.name = form["name"].value()
     user.is_disabled = form["is_disabled"].value()
     if not user.is_dirty():
-        message = gettext_noop("This user account was not modified.")
+        message = gettext_noop("This user account was not changed.")
     else:
         user.save(current_user=request.user)
         message = gettext_noop("This user account was saved successfully.")
@@ -146,6 +146,36 @@ def user_store(request, user=None):
     return redirect("mia_core:users.detail", user)
 
 
+@require_POST
+@login_required
+def user_delete(request, user):
+    """The view to delete an user.
+
+    Args:
+        request (HttpRequest): The request.
+        user (User): The user.
+
+    Returns:
+        HttpResponseRedirect: The response.
+    """
+    message = None
+    if user.pk == request.user.pk:
+        message = gettext_noop("You cannot delete your own account.")
+    elif user.is_in_use():
+        message = gettext_noop(
+            "You cannot delete this account because it is in use.")
+    elif user.is_deleted:
+        message = gettext_noop("This account is already deleted.")
+    if message is not None:
+        messages.error(request, message)
+        return redirect("mia_core:users.detail", user)
+    user.delete()
+    message = gettext_noop("This user account was deleted successfully.")
+    messages.success(request, message)
+    return redirect("mia_core:users")
+
+
+
 def api_users_exists(request, login_id):
     """The view to check whether a user with a log in ID exists.