From a091b29211aea1985ab419b869cb7b8b42838330 Mon Sep 17 00:00:00 2001
From: Derrick <dlbrittain@gmail.com>
Date: Mon, 12 Apr 2021 16:30:25 -0700
Subject: [PATCH] feat: add endpoint to return all valid versions metadata

---
 .../blueprints/client/api.py                  | 25 +++++++++++++++++++
 1 file changed, 25 insertions(+)

diff --git a/materializationengine/blueprints/client/api.py b/materializationengine/blueprints/client/api.py
index ceed41d2..f177458d 100644
--- a/materializationengine/blueprints/client/api.py
+++ b/materializationengine/blueprints/client/api.py
@@ -220,6 +220,31 @@ def get(self, datastack_name: str, version: int):
         schema = AnalysisVersionSchema()
         return schema.dump(response), 200
 
+@client_bp.route("/datastack/<string:datastack_name>/metadata")
+class DatastackMetadata(Resource):
+    @reset_auth    
+    @auth_required
+    @client_bp.doc("all valid version metadata", security="apikey")
+    def get(self, datastack_name: str):
+        """get materialized metadata for all valid versions
+        Args:
+            datastack_name (str): datastack name
+        Returns:
+            list: list of metadata dictionaries
+        """
+        aligned_volume_name, pcg_table_name = get_relevant_datastack_info(datastack_name)
+        session = sqlalchemy_cache.get(aligned_volume_name)
+        response = (
+            session.query(AnalysisVersion)
+            .filter(AnalysisVersion.datastack == datastack_name)
+            .filter(AnalysisVersion.valid == True)
+            .all()
+        )
+        if response is None:
+            return "No valid versions found", 404
+        schema = AnalysisVersionSchema()
+        return schema.dump(response, many=True), 200
+
 @client_bp.route("/datastack/<string:datastack_name>/version/<int:version>/tables")
 class FrozenTableVersions(Resource):
     @reset_auth