Merge pull request #1894 from T-CAIREM/au/event/feature/allow_partici…

…pants_to_access_dataset

allow participants to access dataset through events

physionet-django/events/models.py

@@ -189,6 +189,27 @@ def is_accessible(self):
             return False
         return True
 
+    def has_access(self, user):
+        """
+        checks if the user has access to the dataset for the Event
+        This method is independent of the PublishedProject.has_access method. it will only check if the user should
+        have access to the dataset for the event.
+        It is expected that the PublishedProject.has_access method will use this method to check if the user has access
+        in case the dataset access is made through an event.
+        """
+        if not self.is_accessible():
+            return False
+
+        # check if the user is a participant of the event or the host of the event
+        # In addition to participants, host should also have access to the dataset of their own event
+        # we dont need to worry about cohosts here as they are already participants
+        if not self.event.participants.filter(user=user).exists() and not self.event.host == user:
+            return False
+
+        # TODO once Event Agreement/DUA is merged, check if the user has accepted the agreement
+
+        return True
+
     def revoke_dataset_access(self):
         """
         Revokes access to the dataset for the event.

physionet-django/events/templates/events/event_datasets.html

@@ -0,0 +1,45 @@
+{% load participation_status %}
+
+<div class="container">
+  <h5>Datasets</h5>
+  <div class="card mb-3">
+    <div class="card-body">
+      {% if event_datasets %}
+        <table class="table table-hover">
+          <thead>
+            <tr>
+              <th scope="col">Title</th>
+              <th scope="col">Version</th>
+              <th scope="col">Access Type</th>
+              <th scope="col">Access</th>
+            </tr>
+          </thead>
+          <tbody>
+            {% for dataset in event_datasets %}
+              <tr>
+                <td>
+                  <a href="{% url 'published_project' dataset.dataset.slug dataset.dataset.version %}">{{ dataset.dataset.title }}</a>
+                </td>
+                <td>{{ dataset.dataset.version }}</td>
+                <td>{{ dataset.get_access_type_display }}</td>
+                <td>
+                    {% if not dataset.is_accessible %}
+                      <a class="btn btn-success" href="#">Access Archieved</a>
+                    {% elif is_waitlisted%}
+                      <a class="btn btn-secondary" href="#">On waiting list</a>
+                    {% elif user|has_access_to_event_dataset:dataset %}
+                      <a class="btn btn-success" href="/environments/">Access here</a>
+                    {% else %}
+                      <p>Please register to the event for access</p>
+                    {% endif %}
+                </td>
+              </tr>
+            {% endfor %}
+          </tbody>
+        </table>
+      {% else %}
+        <p>No datasets available.</p>
+      {% endif %}
+    </div>
+  </div>
+</div>

physionet-django/events/templates/events/event_detail.html

@@ -52,6 +52,8 @@ <h4>Event Details</h4>
     <hr>
 
     {% include  "events/event_participation.html" %}
+     <hr>
+    {% include  "events/event_datasets.html" %}
 
 
 </div>

physionet-django/events/templatetags/participation_status.py

@@ -17,3 +17,8 @@ def is_on_waiting_list(user, event):
         event=event,
         status=EventApplication.EventApplicationStatus.WAITLISTED
     ).exists()
+
+
+@register.filter(name='has_access_to_event_dataset')
+def has_access_to_event_dataset(user, dataset):
+    return dataset.has_access(user)

physionet-django/events/views.py

@@ -210,11 +210,16 @@ def event_detail(request, event_slug):
 
     # Handle Event Registration  End #
 
+    # Handle Event Datastore  Start #
+    event_datasets = event.datasets.filter(is_active=True)
+    # Handle Event Datastore  End #
+
     return render(
         request,
         'events/event_detail.html',
         {'event': event,
          'registration_allowed': registration_allowed,
          'registration_error_message': registration_error_message,
          'is_waitlisted': is_waitlisted,
+         'event_datasets': event_datasets,
          })

physionet-django/project/managers/publishedproject.py

@@ -1,4 +1,7 @@
+from datetime import datetime
+
 from django.db.models import Manager, Q
+from events.models import Event, EventDataset
 from project.models import AccessPolicy, DUASignature, DataAccessRequest
 from user.models import Training, TrainingType
 
@@ -48,4 +51,18 @@ def accessible_by(self, user):
                 contributor_review_with_access | credentialed_with_dua_signed
             )
 
+        # Event related logic
+        # get all projects that are accessible by user through Events(Used by `hdn-research-environment` package)
+        # get all active events that user is a participant/host of
+        events_all = Event.objects.filter(Q(host=user) | Q(participants__user=user))
+        active_events = set(events_all.filter(end_date__gte=datetime.now()))
+        # get all accessible datasets for the events
+        accessible_datasets = EventDataset.objects.filter(event__in=active_events, is_active=True)
+        # get all projects that are accessible to the user
+        accessible_projects_ids = []
+        for event_dataset in accessible_datasets:
+            if event_dataset.has_access(user):
+                accessible_projects_ids.append(event_dataset.dataset.id)
+
+        query |= Q(id__in=accessible_projects_ids)
         return self.filter(query)