feat: add serializers for versioning change requests (#1)

* Add poetry files

* Add serializers for feature versioning change requests

* Add common package

* Update include

* Update name

* Move multivariate serializer

* Correct DRF lib

* Fix app name

Author: matthewelwell

common/__init__.py

@@ -0,0 +1,12 @@
+from django.apps import apps
+from rest_framework import serializers
+
+
+class MultivariateFeatureStateValueSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = apps.get_model("multivariate", "MultivariateFeatureStateValue")
+        fields = (
+            "id",
+            "multivariate_feature_option",
+            "percentage_allocation",
+        )

common/features/__init__.py

@@ -0,0 +1,60 @@
+from drf_writable_nested.serializers import WritableNestedModelSerializer
+from rest_framework import serializers
+
+from django.apps import apps
+
+from common.features.multivariate.serializers import MultivariateFeatureStateValueSerializer
+
+
+class FeatureStateValueSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = apps.get_model("features", "FeatureStateValue")
+        fields = ("type", "string_value", "integer_value", "boolean_value")
+
+
+class CreateSegmentOverrideFeatureSegmentSerializer(serializers.ModelSerializer):
+    class Meta:
+        model = apps.get_model("features", "FeatureSegment")
+        fields = ("id", "segment", "priority", "uuid")
+
+
+class CreateSegmentOverrideFeatureStateSerializer(WritableNestedModelSerializer):
+    feature_state_value = FeatureStateValueSerializer()
+    feature_segment = CreateSegmentOverrideFeatureSegmentSerializer(
+        required=False, allow_null=True
+    )
+    multivariate_feature_state_values = MultivariateFeatureStateValueSerializer(
+        many=True, required=False
+    )
+
+    class Meta:
+        model = apps.get_model("features", "FeatureState")
+        fields = (
+            "id",
+            "feature",
+            "enabled",
+            "feature_state_value",
+            "feature_segment",
+            "deleted_at",
+            "uuid",
+            "created_at",
+            "updated_at",
+            "live_from",
+            "environment",
+            "identity",
+            "change_request",
+            "multivariate_feature_state_values",
+        )
+
+        read_only_fields = (
+            "id",
+            "deleted_at",
+            "uuid",
+            "created_at",
+            "updated_at",
+            "live_from",
+            "environment",
+            "identity",
+            "change_request",
+            "feature",
+        )

common/features/multivariate/__init__.py

@@ -0,0 +1,11 @@
+from common.features.serializers import CreateSegmentOverrideFeatureStateSerializer
+
+
+class EnvironmentFeatureVersionFeatureStateSerializer(
+    CreateSegmentOverrideFeatureStateSerializer
+):
+    class Meta(CreateSegmentOverrideFeatureStateSerializer.Meta):
+        read_only_fields = (
+            CreateSegmentOverrideFeatureStateSerializer.Meta.read_only_fields
+            + ("feature",)
+        )

common/features/multivariate/serializers.py

@@ -0,0 +1,17 @@
+[tool.poetry]
+name = "flagsmith_common"
+version = "0.1.0"
+description = "A repository for including code that is required in multiple flagsmith repositories"
+authors = ["Matthew Elwell <[email protected]>"]
+readme = "README.md"
+packages = [{ include = "common"}]
+
+[tool.poetry.dependencies]
+python = "^3.10"
+django = "*"
+djangorestframework = "*"
+drf-writable-nested = "*"
+
+[build-system]
+requires = ["poetry-core"]
+build-backend = "poetry.core.masonry.api"