#19 Tests

* refactors CheckableMixin and RecordableMixin into CheckableObject and RecordableObject
* adds ShareableObject for wrapping share related fields and functionality
* adds share functionality to EcoAccount and EMA, just like Intervention

ema/views.py

@@ -10,8 +10,9 @@ import compensation
 from compensation.forms.modalForms import NewStateModalForm, NewActionModalForm, NewDeadlineModalForm
 from ema.forms import NewEmaForm, EditEmaForm
 from ema.tables import EmaTable
+from intervention.forms.modalForms import ShareInterventionModalForm
 from konova.contexts import BaseContext
-from konova.decorators import conservation_office_group_required
+from konova.decorators import conservation_office_group_required, default_group_required
 from ema.models import Ema, EmaDocument
 from konova.forms import RemoveModalForm, NewDocumentForm, SimpleGeomForm, RecordModalForm
 from konova.settings import DEFAULT_GROUP, ZB_GROUP, ETS_GROUP
@@ -460,4 +461,64 @@ def report_view(request:HttpRequest, id: str):
         "actions": actions,
     }
     context = BaseContext(request, context).context
-    return render(request, template, context)
+    return render(request, template, context)
+
+
+@login_required
+def share_view(request: HttpRequest, id: str, token: str):
+    """ Performs sharing of an ema
+
+    If token given in url is not valid, the user will be redirected to the dashboard
+
+    Args:
+        request (HttpRequest): The incoming request
+        id (str): EMA's id
+        token (str): Access token for EMA
+
+    Returns:
+
+    """
+    user = request.user
+    obj = get_object_or_404(Ema, id=id)
+    # Check tokens
+    if obj.access_token == token:
+        # Send different messages in case user has already been added to list of sharing users
+        if obj.is_shared_with(user):
+            messages.info(
+                request,
+                _("{} has already been shared with you").format(obj.identifier)
+            )
+        else:
+            messages.success(
+                request,
+                _("{} has been shared with you").format(obj.identifier)
+            )
+            obj.users.add(user)
+        return redirect("ema:detail", id=id)
+    else:
+        messages.error(
+            request,
+            _("Share link invalid"),
+            extra_tags="danger",
+        )
+        return redirect("home")
+
+
+@login_required
+@default_group_required
+def create_share_view(request: HttpRequest, id: str):
+    """ Renders sharing form for an Ema
+
+    Args:
+        request (HttpRequest): The incoming request
+        id (str): Ema's id
+
+    Returns:
+
+    """
+    obj = get_object_or_404(Ema, id=id)
+    form = ShareInterventionModalForm(request.POST or None, instance=obj, request=request)
+    return form.process_request(
+        request,
+        msg_success=_("Share settings updated")
+    )