Resolve "exceeded visits list & unfinished visits list"

Closes #146 (closed)

smash/web/api_views/serialization_utils.py

+import logging
+
+logger = logging.getLogger(__name__)
+
+
+def bool_to_yes_no(val):
+    if val:
+        return "YES"
+    else:
+        return "NO"
+
+
+def flying_team_to_str(flying_team):
+    result = ""
+    if flying_team is not None:
+        result = unicode(flying_team)
+    return result
+
+
+def location_to_str(location):
+    result = ""
+    if location is not None:
+        result = unicode(location.name)
+    return result
+
+
+def serialize_date(date):
+    if date is not None:
+        result = date.strftime('%Y-%m-%d')
+    else:
+        result = ""
+    return result
+
+
+def serialize_datetime(date):
+    if date is not None:
+        result = date.strftime('%Y-%m-%d %H:%M')
+    else:
+        result = ""
+    return result
+
+
+def add_column(result, name, field_name, column_list, param, columns_used_in_study=None, visible_param=None,
+               sortable=True):
+    add = True
+    if columns_used_in_study:
+        add = getattr(columns_used_in_study, field_name)
+    if add:
+        if visible_param is not None:
+            visible = visible_param
+        elif column_list is None:
+            visible = True
+        else:
+            visible = getattr(column_list, field_name)
+        result.append({
+            "type": field_name,
+            "name": name,
+            "filter": param,
+            "visible": visible,
+            "sortable": sortable
+        })