removed model changes.

funnel/models/project.py

@@ -5,7 +5,6 @@
 from collections.abc import Sequence
 
 from pytz import utc
-from sqlalchemy import LargeBinary
 from sqlalchemy.orm import attribute_keyed_dict
 from werkzeug.utils import cached_property
 
@@ -192,13 +191,6 @@ class Project(UuidMixin, BaseScopedNameMixin, Model):
         read={'all'},
         datasets={'primary', 'without_parent', 'related'},
     )
-
-    thumbnail_image = with_roles(
-        sa.orm.mapped_column(LargeBinary, nullable=True),
-        read={'all'},
-        datasets={'primary', 'without_parent', 'related'},
-    )
-
     allow_rsvp: Mapped[bool] = with_roles(
         sa.orm.mapped_column(sa.Boolean, default=True, nullable=False),
         read={'all'},

funnel/signals.py

@@ -56,7 +56,7 @@
 org_data_changed = app_signals.signal('org-data-changed')
 team_data_changed = app_signals.signal('team-data-changed')
 session_revoked = app_signals.signal('session-revoked')
-project_data_change = app_signals.signal('project_data_change')
+project_data_change = app_signals.signal('project-data-change')
 
 # Commentset role change signals (sends user, document)
 project_role_change = app_signals.signal('project_role_change')

funnel/views/project.py

@@ -278,13 +278,12 @@ def new_project(self) -> ReturnView:
             project = Project(created_by=current_auth.user, account=self.obj)
             form.populate_obj(project)
             project.make_name()
+            # trigger signal to generate thumbnail image
+            project_data_change.send(self.obj)
             db.session.add(project)
             db.session.commit()
 
             flash(_("Your new project has been created"), 'info')
-
-            # trigger signal to generate thumbnail image
-            project_data_change.send(self.obj)
             # tag locations
             tag_locations.queue(project.id)
 
@@ -454,11 +453,11 @@ def edit(self) -> ReturnView:
         form = ProjectForm(obj=self.obj, account=self.obj.account, model=Project)
         if form.validate_on_submit():
             form.populate_obj(self.obj)
+            # trigger signal to generate thumbnail image
+            project_data_change.send(self.obj)
             db.session.commit()
             flash(_("Your changes have been saved"), 'info')
             tag_locations.queue(self.obj.id)
-            # trigger signal to generate thumbnail image
-            project_data_change.send(self.obj)
 
             # Find and delete draft if it exists
             if self.get_draft() is not None:

funnel/views/thumnbnails.py

@@ -0,0 +1,16 @@
+"""View for autogenerating thumbnail previews."""
+
+from __future__ import annotations
+
+from ..models import Project
+from ..signals import project_data_change
+
+
+@project_data_change.connect
+def generate_thumbnail_image(project: Project) -> None:
+    render_thumbnail_image(project=project)
+
+
+def render_thumbnail_image(project: Project) -> None:
+    """Render the thumbnail image and cache the file using a background task"""
+    pass