chain list

chain_service/controllers/chain.py

@@ -23,3 +23,14 @@ async def chain_upsert_controller(
     except Exception:
         logger.exception(f"Error during chain upsert {chain.model_dump_json()}")
         return HTTPException(status_code=500, detail="Error during chain upsert")
+
+
+@router.get("/list")
+async def chain_list_controller(chain_repository: ChainRepositoryDependency):
+    try:
+        chains = await chain_repository.get_list()
+        return chains
+
+    except Exception:
+        logger.exception(f"Error during chain list")
+        return HTTPException(status_code=500, detail="Error during chain list")

chain_service/repositories/chain.py

@@ -1,3 +1,7 @@
+import pymongo
+from typing import List
+from pydantic import TypeAdapter
+
 from chain_service.database.database import Database
 from chain_service.database.models.chain import Chain
 
@@ -8,8 +12,13 @@ class ChainRepository:
         self.collection = database.get_collection("chains")
 
     async def upsert(self, chain: Chain) -> Chain:
-        await self.collection.replace_one(
-            {"_id": chain.id}, chain.model_dump(by_alias=True), upsert=True
-        )
+        query = {"_id": chain.id}
+        payload = chain.model_dump(by_alias=True)
 
+        await self.collection.replace_one(query, payload, upsert=True)
         return chain
+
+    async def get_list(self) -> List[Chain]:
+        sort_order = [("last_modified", pymongo.DESCENDING)]
+        chains = [chain async for chain in self.collection.find().sort(sort_order)]
+        return TypeAdapter(List[Chain]).validate_python(chains)