From 62dc0d1da6aa5274629ea1a1874b7c1393f01bc6 Mon Sep 17 00:00:00 2001
From: Jan <jdolkowski@soldevelo.com>
Date: Fri, 29 Dec 2023 12:56:11 +0100
Subject: [PATCH] CM-407: add GroupHisotry change log logic (#35)

Co-authored-by: Jan <j.dolkowski@soldevelo.com>
---
 individual/gql_queries.py | 23 +++++++++++++++++++++++
 individual/schema.py      | 22 +++++++++++++++++++++-
 2 files changed, 44 insertions(+), 1 deletion(-)

diff --git a/individual/gql_queries.py b/individual/gql_queries.py
index ea5d50e..28937fc 100644
--- a/individual/gql_queries.py
+++ b/individual/gql_queries.py
@@ -87,6 +87,29 @@ class Meta:
         connection_class = ExtendedConnection
 
 
+class GroupHistoryGQLType(DjangoObjectType):
+    uuid = graphene.String(source='uuid')
+    head = graphene.Field(IndividualGQLType)
+
+    def resolve_head(self, info):
+        return Individual.objects.filter(
+            groupindividual__group__id=self.id,
+            groupindividual__role=GroupIndividual.Role.HEAD
+        ).first()
+
+    class Meta:
+        model = Group.history.model
+        interfaces = (graphene.relay.Node,)
+        filter_fields = {
+            "id": ["exact"],
+            "date_created": ["exact", "lt", "lte", "gt", "gte"],
+            "date_updated": ["exact", "lt", "lte", "gt", "gte"],
+            "is_deleted": ["exact"],
+            "version": ["exact"],
+        }
+        connection_class = ExtendedConnection
+
+
 class GroupIndividualGQLType(DjangoObjectType):
     uuid = graphene.String(source='uuid')
 
diff --git a/individual/schema.py b/individual/schema.py
index f76961f..6e5654a 100644
--- a/individual/schema.py
+++ b/individual/schema.py
@@ -1,5 +1,6 @@
 import graphene
 import graphene_django_optimizer as gql_optimizer
+from graphene_django.filter import DjangoFilterConnectionField
 import pandas as pd
 from django.contrib.auth.models import AnonymousUser
 from django.db.models import Q
@@ -14,7 +15,7 @@
     UpdateGroupIndividualMutation, DeleteGroupIndividualMutation, \
     CreateGroupIndividualsMutation
 from individual.gql_queries import IndividualGQLType, IndividualDataSourceGQLType, GroupGQLType, GroupIndividualGQLType, \
-    IndividualDataSourceUploadGQLType
+    IndividualDataSourceUploadGQLType, GroupHistoryGQLType
 from individual.models import Individual, IndividualDataSource, Group, GroupIndividual, IndividualDataSourceUpload
 
 
@@ -82,6 +83,13 @@ class Query(ExportableQueryMixin, graphene.ObjectType):
         customFilters=graphene.List(of_type=graphene.String)
     )
 
+    group_history = OrderedDjangoFilterConnectionField(
+        GroupHistoryGQLType,
+        orderBy=graphene.List(of_type=graphene.String),
+        applyDefaultValidityFilter=graphene.Boolean(),
+        client_mutation_id=graphene.String()
+    )
+
     group_individual = OrderedDjangoFilterConnectionField(
         GroupIndividualGQLType,
         orderBy=graphene.List(of_type=graphene.String),
@@ -171,6 +179,18 @@ def resolve_group(self, info, **kwargs):
             )
         return gql_optimizer.query(query, info)
 
+    def resolve_group_history(self, info, **kwargs):
+        filters = append_validity_filter(**kwargs)
+
+        client_mutation_id = kwargs.get("client_mutation_id")
+        if client_mutation_id:
+            filters.append(Q(mutations__mutation__client_mutation_id=client_mutation_id))
+
+        Query._check_permissions(info.context.user,
+                                 IndividualConfig.gql_group_search_perms)
+        query = Group.history.filter(*filters)
+        return gql_optimizer.query(query, info)
+
     def resolve_group_individual(self, info, **kwargs):
         Query._check_permissions(
             info.context.user,