feat: add review intentions to patch view

Author: andrepapoti

patchwork/templates/patchwork/submission.html

@@ -187,6 +187,35 @@ <h2>Message</h2>
   </pre>
 </div>
 
+<h2>Users intending to review</h2>
+{% if intentions %}
+  <ul>
+    {% for intention in intentions %}
+      <li>
+        {{ intention.user.username }} ({{ intention.user.email }}) - Review expiration date: {{ intention.review_expiry_date }}
+      </li>
+    {% endfor %}
+  </ul>
+{% else %}
+  <p>No users have declared interest in reviewing this patch.</p>
+{% endif %}
+
+{% if planning_to_review %}
+<form id="declare-review-form" method="post">
+  {% csrf_token %}
+  Current review intention expires in {{ review_expiry_date }}
+  <br>
+  <input type="hidden" name="action" value="remove-review">
+  <input type="submit" class="patch-form-submit btn btn-primary" value="Remove review interest">
+</form>
+{% else %}
+<form id="declare-review-form" method="post">
+  {% csrf_token %}
+  <input type="hidden" name="action" value="add-review">
+  <input type="submit" class="patch-form-submit btn btn-primary" value="Declare review interest">
+</form>
+{% endif %}
+
 {% for item in comments %}
 {% if forloop.first %}
 <h2>Comments</h2>

patchwork/views/patch.py

@@ -16,6 +16,7 @@
 from patchwork.forms import PatchForm
 from patchwork.models import Cover
 from patchwork.models import Patch
+from patchwork.models import PatchReviewIntention
 from patchwork.models import Project
 from patchwork.views import generic_list
 from patchwork.views import set_bundle
@@ -80,6 +81,30 @@ def patch_detail(request, project_id, msgid):
             errors = set_bundle(
                 request, project, action, request.POST, [patch]
             )
+        elif action == 'add-review':
+            if request.user.is_authenticated:
+                PatchReviewIntention.objects.get_or_create(
+                    patch=patch,
+                    user=request.user
+                )
+                patch.has_planned_review = patch.planning_to_review.exists()
+                patch.save()
+
+                messages.success(request, "You have declared interest in reviewing this patch.")
+            else:
+                messages.error(request, "You must be logged in to declare review interest.")
+
+        elif action == 'remove-review':
+            if request.user.is_authenticated:
+                PatchReviewIntention.objects.filter(
+                    patch=patch,
+                    user=request.user
+                ).delete()
+                patch.has_planned_review = patch.planning_to_review.exists()
+                patch.save()
+                messages.success(request, "You have removed your interest in reviewing this patch.")
+            else:
+                messages.error(request, "You must be logged in to remove review interest.")
 
         elif not editable:
             return HttpResponseForbidden()
@@ -93,6 +118,17 @@ def patch_detail(request, project_id, msgid):
     if request.user.is_authenticated:
         context['bundles'] = request.user.bundles.all()
 
+    intentions = PatchReviewIntention.objects.filter(patch=patch)
+
+    context['intentions'] = intentions
+    context['planning_to_review'] = False
+    context['review_expiry_date'] = None
+    for intention in intentions:
+        intention.review_expiry_date = intention.last_time_marked_for_review + patch.state.review_intention_expiration_time
+        if intention.user == request.user:
+            context['planning_to_review'] = True
+            context['review_expiry_date'] = intention.last_time_marked_for_review + patch.state.review_intention_expiration_time
+
     comments = patch.comments.all()
     comments = comments.select_related('submitter')
     comments = comments.only(