SS-1112 Enforce unique project names by owner (#251)

projects/views.py

@@ -5,6 +5,7 @@
 import requests as r
 from django.apps import apps
 from django.conf import settings as django_settings
+from django.contrib import messages
 from django.contrib.auth import get_user_model
 from django.contrib.auth.decorators import login_required
 from django.core.exceptions import FieldDoesNotExist
@@ -387,7 +388,9 @@ def get(self, request):
 
         template = arr[0] if len(arr) > 0 else None
 
-        context = {"template": template}
+        context = {
+            "template": template,
+        }
 
         return render(
             request=request,
@@ -407,6 +410,30 @@ def post(self, request, *args, **kwargs):
         name = request.POST.get("name", "default")[:200]
         description = request.POST.get("description", "")
 
+        # Ensure no duplicate project name for the common user
+
+        project_name_already_exists = (
+            Project.objects.filter(
+                owner=request.user,
+                name=name,
+            )
+            .exclude(status="deleted")
+            .exists()
+        )
+
+        if project_name_already_exists and not request.user.is_superuser:
+            pre_selected_template = request.GET.get("template")
+            template = ProjectTemplate.objects.filter(name=pre_selected_template).first()
+            context = {"template": template}
+            logger.error("A project with name '" + name + "' already exists.")
+
+            messages.error(
+                request,
+                "Project cannot be created because a project with name '" + name + "' already exists.",
+            )
+
+            return render(request, self.template_name, context)
+
         # Try to create database project object.
         try:
             project = Project.objects.create_project(

templates/projects/project_create.html

@@ -4,17 +4,16 @@
 {% block content %}
 
 {% include "breadcrumbs/bc_project_create.html" %}
+{% include 'common/flash_messages.html' %}
 
 <div class="row">
+
     <div class="col">
         <h3>New project</h3>
         <p>Provide details about your new project.</p>
     </div>
 </div>
 
-
-
-
 <div class="row pt-3">
     <div class="col-12 col-xl-6">
         {% if template %}