From 6ed81a49d1705610e13985e9ebc9a1ce7bd4800e Mon Sep 17 00:00:00 2001
From: Lova Andriarimalala <43842786+Xpirix@users.noreply.github.com>
Date: Mon, 17 Jun 2024 10:35:48 +0300
Subject: [PATCH] Handle missing resource files to prevent FileNotFoundError
 (#427)

---
 qgis-app/base/views/processing_view.py   | 5 ++++-
 qgis-app/templates/base/detail.html      | 8 +++++++-
 qgis-app/templates/base/list.html        | 4 +++-
 qgis-app/templates/base/list_galery.html | 9 ++++++++-
 4 files changed, 22 insertions(+), 4 deletions(-)

diff --git a/qgis-app/base/views/processing_view.py b/qgis-app/base/views/processing_view.py
index 3b1352ff..442d9553 100644
--- a/qgis-app/base/views/processing_view.py
+++ b/qgis-app/base/views/processing_view.py
@@ -1,5 +1,5 @@
 import logging
-
+from os.path import exists
 from base.forms.processing_forms import ResourceBaseReviewForm
 from base.license import zipped_with_license
 from django.conf import settings
@@ -29,6 +29,7 @@
 )
 from django.views.generic.base import ContextMixin
 from django.utils.encoding import escape_uri_path
+from django.http import Http404
 
 GROUP_NAME = "Style Managers"
 
@@ -468,6 +469,8 @@ class ResourceBaseDownload(ResourceBaseContextMixin, View):
 
     def get(self, request, *args, **kwargs):
         object = get_object_or_404(self.model, pk=self.kwargs["pk"])
+        if not exists(object.file.path):
+            raise Http404
         if not object.approved:
             if not check_resources_access(self.request.user, object):
                 context = super(ResourceBaseDownload, self).get_context_data()
diff --git a/qgis-app/templates/base/detail.html b/qgis-app/templates/base/detail.html
index 745c58dd..d9571c23 100644
--- a/qgis-app/templates/base/detail.html
+++ b/qgis-app/templates/base/detail.html
@@ -19,9 +19,11 @@ <h3 class="style-title">{{ object_detail.name }}</h3>
         <div class="row">
             <div class="span4 mb-5 view-resource">
                 <div class="style-polaroid">
+                  {% if object_detail.thumbnail_image and object_detail.thumbnail_image.file %}
                     {% thumbnail object_detail.thumbnail_image "420x420" format="PNG" as im %}
                     <img class="image-resource" alt="{% trans "image" %}" src="{{ im.url }}" width="{{ im.x }}" height="{{ im.y }}" />
                     {% endthumbnail %}
+                  {% endif %}
                     {% if is_3d_model %}
                       {% include "base/includes/wavefront/detail_3dviewer.html" %}
                     {% else %}
@@ -34,7 +36,11 @@ <h3 class="style-title">{{ object_detail.name }}</h3>
                 <dt>{{ resource_name }} File</dt>
                 <dd>
                   <div>
-                    <a class="btn btn-primary btn-mini" href="{% url url_download object_detail.id %}" title="{% trans "Download" %}"><i class="icon-download-alt"></i> Download</a>
+                        {% if object_detail.file and object_detail.file.file %}
+                          <a class="btn btn-primary btn-mini" href="{% url url_download object_detail.id %}" title="{% trans "Download" %}"><i class="icon-download-alt"></i> Download</a>
+                        {% else %}
+                          <em>File missing: The resource file couldn't be located.</em>
+                        {% endif %}
                   </div>
                 </dd>
               </dl>
diff --git a/qgis-app/templates/base/list.html b/qgis-app/templates/base/list.html
index 529ac62d..c8fcd977 100644
--- a/qgis-app/templates/base/list.html
+++ b/qgis-app/templates/base/list.html
@@ -112,7 +112,9 @@ <h2>{% if title %}{{title}}{% else %}{% trans "All" %} {{ resource_name }}s{% en
                         <a class="btn btn-primary btn-mini" href="{% url url_update object.id %}" title="{% trans "Edit" %}"><i class="icon-pencil icon-white"></i></a>&nbsp
                         <a class="btn btn-danger btn-mini delete" href="{% url url_delete object.id %}" title="{% trans "Delete" %}"><i class="icon-remove icon-white"></i></a>&nbsp
                         {% endif %}
-                        <a class="btn btn-primary btn-mini pull-right" href="{% url url_download object.id %}" title="{% trans "Download" %}"><i class="icon-download-alt"></i></a>
+                        {% if object.file and object.file.file %}
+                            <a class="btn btn-primary btn-mini pull-right" href="{% url url_download object.id %}" title="{% trans "Download" %}"><i class="icon-download-alt"></i></a>
+                        {% endif %}
                     </td>
                 </tr>
             {% endfor %}
diff --git a/qgis-app/templates/base/list_galery.html b/qgis-app/templates/base/list_galery.html
index 5f230973..9833b0d0 100644
--- a/qgis-app/templates/base/list_galery.html
+++ b/qgis-app/templates/base/list_galery.html
@@ -100,7 +100,14 @@ <h2>{% if title %}{{title}}{% else %}{% trans "All" %} {{ resource_name }}s{% en
                   </a>
                 </div>
                <div class="image-info">
-               <a class="btn btn-mini btn-download pull-right" href="{% url url_download object.id %}" title="{% trans "Download" %}"><i class="icon-download-alt"></i></a>
+                {% if object.file and object.file.file %}
+                  <a 
+                  class="btn btn-mini btn-download pull-right" 
+                  href="{% url url_download object.id %}" 
+                  title="{% trans "Download" %}">
+                    <i class="icon-download-alt"></i>
+                </a>
+                {% endif %}
                <a href="{% url url_detail pk=object.id %}">
                  <h4>
                    {{ object.name}}