[ENG-8655] - Add a new page for pending preprint moderation

osf/models/preprint.py

@@ -690,6 +690,24 @@ def is_preprint_orphan(self):
     def has_submitted_preprint(self):
         return self.machine_state != DefaultStates.INITIAL.value
 
+    @property
+    def is_pending_moderation(self):
+        if self.machine_state == DefaultStates.INITIAL.value:
+            return False
+
+        if not self.provider or not self.provider.reviews_workflow:
+            return False
+
+        from api.providers.workflows import PUBLIC_STATES
+
+        workflow = self.provider.reviews_workflow
+        public_states = PUBLIC_STATES.get(workflow, [])
+
+        if self.machine_state not in public_states:
+            return True
+
+        return False
+
     @property
     def deep_url(self):
         # Required for GUID routing

website/routes.py

@@ -257,6 +257,17 @@ def ember_app(path=None):
                         preprint = Preprint.load(guid_str)
                         if preprint and preprint._id != guid_str:
                             return redirect(f"{settings.DOMAIN}preprints/{path_values[0]}/{preprint._id}", code=302)
+                        if preprint:
+                            from framework.auth import Auth
+                            auth = Auth.from_kwargs(request.args.to_dict(), {})
+                            if not preprint.can_view(auth):
+                                if preprint.is_pending_moderation:
+                                    renderer = OsfWebRenderer('pending_moderation.mako', trust=False)
+                                    return renderer({
+                                        'resource_type': (preprint.provider.preprint_word or 'preprint') if preprint.provider else 'preprint',
+                                        'provider_name': preprint.provider.name if preprint.provider else 'OSF',
+                                    })
+                                raise HTTPError(http_status.HTTP_404_NOT_FOUND)
                 # For all other cases, let ember app handle it
                 ember_app = EXTERNAL_EMBER_APPS.get('ember_osf_web', False) or ember_app
             break

website/templates/pending_moderation.mako

@@ -0,0 +1,37 @@
+<%inherit file="base.mako"/>
+<%def name="title()">Pending Moderation</%def>
+<%def name="description()">This ${resource_type} is pending moderation</%def>
+
+<%def name="content()">
+<style>
+    /* Ensure content area has enough height so the footer sticks to the bottom */
+    .pending-wrapper {
+        min-height: calc(100vh - 180px); /* header+footer approximate height */
+        display: -webkit-box;
+        display: -ms-flexbox;
+        display: flex;
+        -webkit-box-align: center;
+            -ms-flex-align: center;
+                align-items: center;
+    }
+</style>
+
+<div class="pending-wrapper">
+    <div class="container">
+        <div class='row'>
+            <div class='col-md-12'>
+                <div class="text-center">
+                    <h2 id='pending-moderation-message'>Pending Moderation</h2>
+                    <div class="alert alert-info">
+                        <i class="fa fa-hourglass-half"></i>
+                        <strong>This ${resource_type} is pending moderation at ${provider_name}</strong>
+                        <p>This ${resource_type} has been submitted for review and is not yet publicly available.
+                        Please check back later as moderation decisions may take some time.</p>
+                    </div>
+                </div>
+            </div>
+        </div>
+    </div>
+</div>
+</%def>
+