Formatting change_on column in list views

panoramix/models.py

@@ -43,6 +43,9 @@ def created_by_fk(cls):
     def changed_by_fk(cls):
         return Column(Integer, ForeignKey('ab_user.id'),
             default=cls.get_user_id, onupdate=cls.get_user_id, nullable=True)
+    @property
+    def changed_on_(cls):
+        return utils.datetime_f(cls.changed_on)
 
 
 class Slice(Model, AuditMixinNullable):

panoramix/utils.py

@@ -3,7 +3,7 @@
 import hashlib
 from sqlalchemy.types import TypeDecorator, TEXT
 import json
-from flask import g, request
+from flask import g, request, Markup
 import parsedatetime
 import functools
 from panoramix import db
@@ -200,5 +200,15 @@ def wrapper(*args, **kwargs):
         db.session.commit()
 
         return f(*args, **kwargs)
-
     return wrapper
+
+
+def datetime_f(dttm):
+    if dttm:
+        dttm = dttm.isoformat()
+        now_iso = datetime.now().isoformat()
+        if now_iso[:10] == dttm[:10]:
+            dttm = dttm[11:]
+        elif now_iso[:4] == dttm[:4]:
+            dttm = dttm[5:]
+    return Markup("<nobr>{}</nobr>".format(dttm))

panoramix/views.py

@@ -105,7 +105,7 @@ class MetricInlineView(CompactCRUDMixin, PanoramixModelView):
 
 class DatabaseView(PanoramixModelView, DeleteMixin):
     datamodel = SQLAInterface(models.Database)
-    list_columns = ['database_name', 'created_by', 'changed_on']
+    list_columns = ['database_name', 'created_by', 'changed_on_']
     add_columns = ['database_name', 'sqlalchemy_uri']
     search_exclude_columns = ('password',)
     edit_columns = add_columns
@@ -137,7 +137,7 @@ def pre_update(self, db):
 
 class TableView(PanoramixModelView, DeleteMixin):
     datamodel = SQLAInterface(models.SqlaTable)
-    list_columns = ['table_link', 'database', 'changed_by', 'changed_on']
+    list_columns = ['table_link', 'database', 'changed_by', 'changed_on_']
     add_columns = ['table_name', 'database', 'default_endpoint', 'offset']
     edit_columns = [
         'table_name', 'database', 'main_dttm_col', 'default_endpoint',
@@ -194,7 +194,7 @@ class SliceModelView(PanoramixModelView, DeleteMixin):
     can_add = False
     list_columns = [
         'slice_link', 'viz_type', 'datasource_type',
-        'datasource', 'created_by', 'changed_on']
+        'datasource', 'created_by', 'changed_on_']
     edit_columns = [
         'slice_name', 'viz_type', 'druid_datasource',
         'table', 'dashboards', 'params']
@@ -211,7 +211,7 @@ class SliceModelView(PanoramixModelView, DeleteMixin):
 
 class DashboardModelView(PanoramixModelView, DeleteMixin):
     datamodel = SQLAInterface(models.Dashboard)
-    list_columns = ['dashboard_link', 'created_by', 'changed_by', 'changed_on']
+    list_columns = ['dashboard_link', 'created_by', 'changed_by', 'changed_on_']
     edit_columns = [
         'dashboard_title', 'slug', 'slices', 'position_json', 'css']
     add_columns = edit_columns