1 files changed, 55 insertions, 0 deletions
diff --git a/archaeological_finds/serializers.py b/archaeological_finds/serializers.py
new file mode 100644
index 000000000..5fc8d2224
--- /dev/null
+++ b/archaeological_finds/serializers.py
@@ -0,0 +1,55 @@
+from ishtar_common.serializers import generic_get_results, archive_serialization
+from archaeological_finds import models
+
+
+FIND_MODEL_LIST = [
+    models.BaseFind, models.Find
+]
+
+# TODO: associated documents, property, findbasket
+
+
+def find_serialization(archive=False, return_empty_types=False,
+                       archive_name=None, operation_queryset=None,
+                       site_queryset=None, cr_queryset=None):
+    result_queryset = {}
+    if operation_queryset:
+        operation_ids = operation_queryset.values_list("id", flat=True)
+        result_queryset = {
+            models.BaseFind.__name__:
+                models.BaseFind.objects.filter(
+                    context_record__operation_id__in=operation_ids),
+            models.Find.__name__:
+                models.Find.objects.filter(
+                    base_finds__context_record__operation_id__in=operation_ids),
+        }
+    elif site_queryset:
+        sites = site_queryset.values_list("id", flat=True)
+        f_q = {
+            "base_finds__context_record__operation__archaeological_site_id__in": sites
+        }
+        result_queryset = {
+            models.BaseFind.__name__:
+                models.BaseFind.objects.filter(
+                    context_record__operation__archaeological_site_id__in=sites
+                ),
+            models.Find.__name__:
+                models.Find.objects.filter(**f_q),
+        }
+    elif cr_queryset:
+        cr_ids = cr_queryset.values_list("id", flat=True)
+        result_queryset = {
+            models.BaseFind.__name__:
+                models.BaseFind.objects.filter(
+                    context_record__in=cr_ids),
+            models.Find.__name__:
+                models.Find.objects.filter(
+                    base_finds__context_record__in=cr_ids),
+        }
+    result = generic_get_results(FIND_MODEL_LIST, "finds",
+                                 result_queryset=result_queryset)
+    full_archive = archive_serialization(
+        result, archive_dir="operations", archive=archive,
+        return_empty_types=return_empty_types, archive_name=archive_name,
+    )
+    return full_archive