feat(releases): Implement threshold details GET

src/sentry/api/endpoints/release_threshold_details.py

@@ -0,0 +1,48 @@
+from django.http import HttpResponse
+from rest_framework import serializers
+from rest_framework.request import Request
+from rest_framework.response import Response
+
+from sentry.api.api_owners import ApiOwner
+from sentry.api.api_publish_status import ApiPublishStatus
+from sentry.api.base import region_silo_endpoint
+from sentry.api.bases.project import ProjectEndpoint
+from sentry.api.serializers import serialize
+from sentry.api.serializers.rest_framework.project import ProjectField
+from sentry.models import Project
+from sentry.models.release_threshold.releasethreshold import ReleaseThreshold
+
+
+class ReleaseThresholdDetailsGETSerializer(serializers.Serializer):
+    threshold_id = serializers.CharField()
+    project = ProjectField()
+
+
+@region_silo_endpoint
+class ReleaseThresholdDetailsEndpoint(ProjectEndpoint):
+    owner: ApiOwner = ApiOwner.ENTERPRISE
+    publish_status = {
+        "GET": ApiPublishStatus.PRIVATE,
+    }
+
+    def get(self, request: Request, project: Project, threshold_id: str) -> HttpResponse:
+        request.data["project"] = project.slug
+        request.data["threshold_id"] = threshold_id
+        serializer = ReleaseThresholdDetailsGETSerializer(
+            data=request.data,
+            context={
+                "organization": project.organization,
+                "access": request.access,
+            },
+        )
+        if not serializer.is_valid():
+            return Response(serializer.errors, status=400)
+        result = serializer.validated_data
+        try:
+            release_threshold = ReleaseThreshold.objects.get(
+                id=result.get("threshold_id"),
+                project=project,
+            )
+            return Response(serialize(release_threshold, request.user), status=200)
+        except ReleaseThreshold.DoesNotExist:
+            return Response(status=404)

src/sentry/api/serializers/models/release_threshold.py

@@ -10,6 +10,7 @@
 class ReleaseThresholdSerializer(Serializer):
     def serialize(self, obj, attrs, user):
         return {
+            "id": str(obj.id),
             "threshold_type": THRESHOLD_TYPE_INT_TO_STR[obj.threshold_type],
             "trigger_type": TRIGGER_TYPE_INT_TO_STR[obj.trigger_type],
             "value": obj.value,

src/sentry/api/urls.py

@@ -25,6 +25,7 @@
 from sentry.api.endpoints.source_map_debug_blue_thunder_edition import (
     SourceMapDebugBlueThunderEditionEndpoint,
 )
+from sentry.api.endpoints.release_threshold_details import ReleaseThresholdDetailsEndpoint
 from sentry.api.utils import method_dispatch
 from sentry.data_export.endpoints.data_export import DataExportEndpoint
 from sentry.data_export.endpoints.data_export_details import DataExportDetailsEndpoint
@@ -2129,6 +2130,11 @@
         ReleaseThresholdEndpoint.as_view(),
         name="sentry-api-0-project-release-thresholds",
     ),
+    re_path(
+        r"^(?P<organization_slug>[^\/]+)/(?P<project_slug>[^\/]+)/releases/thresholds/(?P<threshold_id>[^/]+)/$",
+        ReleaseThresholdDetailsEndpoint.as_view(),
+        name="sentry-api-0-project-release-thresholds-details",
+    ),
     re_path(
         r"^(?P<organization_slug>[^\/]+)/(?P<project_slug>[^\/]+)/commits/$",
         ProjectCommitsEndpoint.as_view(),

tests/sentry/api/endpoints/test_release_threshold_details.py

@@ -0,0 +1,73 @@
+from django.urls import reverse
+
+from sentry.models.environment import Environment
+from sentry.models.release_threshold.releasethreshold import ReleaseThreshold
+from sentry.testutils.cases import APITestCase
+
+
+class ReleaseThresholdDetailsTest(APITestCase):
+    def setUp(self):
+        super().setUp()
+        self.user = self.create_user(is_staff=True, is_superuser=True)
+
+        self.canary_environment = Environment.objects.create(
+            organization_id=self.organization.id, name="canary"
+        )
+        self.production_environment = Environment.objects.create(
+            organization_id=self.organization.id, name="production"
+        )
+        self.login_as(user=self.user)
+
+        self.basic_threshold = ReleaseThreshold.objects.create(
+            threshold_type=0,
+            trigger_type=0,
+            value=100,
+            window_in_seconds=1800,
+            project=self.project,
+            environment=self.canary_environment,
+        )
+
+    def test_invalid_threshold_id(self):
+        url = reverse(
+            "sentry-api-0-project-release-thresholds-details",
+            kwargs={
+                "organization_slug": self.organization.slug,
+                "project_slug": self.project.slug,
+                "threshold_id": 123,
+            },
+        )
+        response = self.client.get(url)
+
+        assert response.status_code == 404
+
+    def test_invalid_project(self):
+        url = reverse(
+            "sentry-api-0-project-release-thresholds-details",
+            kwargs={
+                "organization_slug": self.organization.slug,
+                "project_slug": "kingdom_of_the_crystal_skull",
+                "threshold_id": self.basic_threshold.id,
+            },
+        )
+        response = self.client.get(url)
+
+        assert response.status_code == 404
+
+    def test_valid(self):
+        url = reverse(
+            "sentry-api-0-project-release-thresholds-details",
+            kwargs={
+                "organization_slug": self.organization.slug,
+                "project_slug": self.project.slug,
+                "threshold_id": self.basic_threshold.id,
+            },
+        )
+        response = self.client.get(url)
+
+        assert response.status_code == 200
+        assert response.data["id"] == str(self.basic_threshold.id)
+        assert response.data["threshold_type"] == "total_error_count"
+        assert response.data["trigger_type"] == "percent_over"
+        assert response.data["value"] == 100
+        assert response.data["window_in_seconds"] == 1800
+        assert response.data["environment"]["name"] == "canary"