🐛 fix table export with json fields in search (refs #6292)

1 files changed, 12 insertions, 0 deletions

diff --git a/ishtar_common/models_common.py b/ishtar_common/models_common.py
index 91a3619ce..d932abf66 100644
--- a/ishtar_common/models_common.py
+++ b/ishtar_common/models_common.py
@@ -9,6 +9,7 @@ import copy
 from collections import OrderedDict
 import datetime
 import fiona
+from importlib import import_module
 import json
 import logging
 import os
@@ -895,11 +896,22 @@ class FullSearch(models.Model):
     PARENT_SEARCH_VECTORS = []
     # prevent circular dependency
     PARENT_ONLY_SEARCH_VECTORS = []
+    # tuple (module, class) in text for dynamic import
+    DEFAULT_SEARCH_FORM = tuple()
 
     class Meta:
         abstract = True
 
     @classmethod
+    def get_default_search_form(cls):
+        # DEFAULT_SEARCH_FORM is used to get the form when exporting tables
+        if not cls.DEFAULT_SEARCH_FORM:
+            return
+        form = getattr(import_module(cls.DEFAULT_SEARCH_FORM[0]),
+                       cls.DEFAULT_SEARCH_FORM[1])
+        return form
+
+    @classmethod
     def general_types(cls):
         for k in get_all_field_names(cls):
             field = cls._meta.get_field(k)