Implemented use_case/table params for message handler

src/transaction-hub-in/trace-retrieval-microservice/app/database/repository.py

@@ -31,7 +31,9 @@ class Repository(MongoRepositoryBase):
         @throws
         KeyError - Duplicate transaction ID
         '''
-        reference = self.get_transaction_with_id(transaction.id())
+        use_case= transaction.use_case
+        table = transaction.table
+        reference = self.get_transaction_with_id(transaction.id(),use_case, table)
         if reference == None:
             super().insert_entry(self._transaction_collection, transaction.to_serializable_dict())
         else:
@@ -41,16 +43,11 @@ class Repository(MongoRepositoryBase):
         result = super().get_entries(self._transaction_collection, projection={'_id': False}, selection={"use_case": use_case})
         return [Transaction.from_serializable_dict(row) for row in list(result)]
     
-    def get_transaction_with_id(self, unique_id: str) -> Transaction:
-        result = list(super().get_entries(self._transaction_collection, projection={'_id': False}, selection={"UniqueID": unique_id}))
-
-        return None
+    def get_transaction_with_id(self, unique_id: str, use_case:str, table:str ) -> Transaction:
+        result = list(super().get_entries(self._transaction_collection, projection={'_id': False}, selection={"id": unique_id,"use_case": use_case, "table":table}))
 
         if len(result) >= 1:
-            returnList = []
-            for item in result:
-                returnList.append(item)
-            return Transaction.from_serializable_dict(returnList)
+            return Transaction.from_serializable_dict(result[0])
         
         return None
     

src/transaction-hub-in/trace-retrieval-microservice/app/messaging/MessageHandler.py

@@ -8,9 +8,11 @@ import json
 import hashlib
 import logging
 import requests
+requests.packages.urllib3.disable_warnings()
 
 from typing import Dict
 
+
 LOGGER = logging.getLogger(__name__)
 
 class MessageHandler:
@@ -30,7 +32,7 @@ class MessageHandler:
         self._rest_fetcher = rest_fetcher
 
     def handle_generic(self, body):
-        LOGGER.info(f"Received message: {body}")
+        
         result = None
 
         message = None
@@ -39,11 +41,13 @@ class MessageHandler:
         except (ValueError, TypeError):
             result = self.MSG_NOT_JSON
             LOGGER.warning(result)
+            LOGGER.info(f"Received message: {body}")
             return result
 
         if not 'type' in message:
             result = self.MSG_NO_TYPE
             LOGGER.warning(result)
+            LOGGER.info(f"Received message: {body}")
             return result
         
         if message['type'] == 'blockchain-transaction':
@@ -51,8 +55,11 @@ class MessageHandler:
             result = self.MSG_TRACE_PROCESSED
         else:
             result = self.MSG_NOT_PROCESSED
+            LOGGER.warning(result)
+            LOGGER.info(f"Received message: {body}")
+            
 
-        LOGGER.info(result)
+        #LOGGER.info(result) #too much spam
         return result
     
     def _resolve_path(self, data: Dict, path:str) -> Dict:
@@ -132,39 +139,39 @@ class MessageHandler:
         '''
 
         # check if there is a use-case in the message
-        if "ApplicationType" not in transaction_message.keys():
+        if "ApplicationType" not in transaction_message:
             LOGGER.error("Transaction has no ApplicationType, storing it under use-case 'unknown'.")
             transaction_message["ApplicationType"] = "unknown"
             self._mongo_repo.add_failed_transaction(transaction_message)
             return
 
-        # check if there is a doctype in the message
-        if "docType" not in transaction_message.keys():
-            LOGGER.error("Transaction has no docType, storing it under docType 'unknown'.")
+        # check if there is a table in the message
+        if "docType" not in transaction_message:
+            LOGGER.error("Transaction has no docType, storing it under table 'unknown'.")
             transaction_message["docType"] = "unknown"
             self._mongo_repo.add_failed_transaction(transaction_message)
             return
 
-        use_case = transaction_message["ApplicationType"]
-        docType = transaction_message["docType"]
+        transaction_use_case = transaction_message["ApplicationType"]
+        transaction_table = transaction_message["docType"]
 
         try:
-            tables = self._rest_fetcher.fetch_schema_information(use_case)
+            tables = self._rest_fetcher.fetch_schema_information(transaction_use_case)
         except ValueError as e:
-            LOGGER.error(f"{e}\nStoring it as a failed transaction.")
+            LOGGER.error(f"{e}\nCould not fetch schema, storing it as a failed transaction..")
             self._mongo_repo.add_failed_transaction(transaction_message)
             return
 
         target_table = None
         # find correct table
         for table in tables:
-            if table["name"] == docType:
+            if table["name"] == transaction_table:
                 target_table = table
                 break
         
         # abort if table does not exist.
         if target_table == None:
-            LOGGER.error(f"There is no table '{docType}', storing it as a failed transaction.")
+            LOGGER.error(f"There is no table '{transaction_table}', storing it as a failed transaction.")
             self._mongo_repo.add_failed_transaction(transaction_message)
             return
         
@@ -172,19 +179,17 @@ class MessageHandler:
         try:
             flattened = self._flatten_transaction(transaction_message, mappings)
         except KeyError as e:
-            LOGGER.error(f"Failed while flattening with KeyError: {str(e)}")
+            LOGGER.error(f"Failed while flattening with KeyError: {str(e)}, storing it as a failed transaction.")
             self._mongo_repo.add_failed_transaction(transaction_message)
             return
 
-        transaction = Transaction(use_case, target_table["name"], flattened)
+        transaction = Transaction(transaction_use_case, target_table["name"], flattened)
 
         #check for duplicates
         try:
-            references = self._mongo_repo.get_transaction_with_id(transaction.id())
+            references = self._mongo_repo.get_transaction_with_id(transaction.id(),transaction_use_case,transaction_table)
             if references != None:
-                for item in references:
-                    if (item.table == transaction.table) and (item.use_case == transaction.use_case):
-                        LOGGER.error("Found duplicate")
+                LOGGER.info("Found duplicate, storing it as a duplicated transaction.")
                 self._mongo_repo.add_duplicated_transaction(transaction)
                 return 
         except ValueError as e:
@@ -201,7 +206,7 @@ class MessageHandler:
 
         msg = {
             "type": "new-trace",
-            "content": transaction.to_serializable_dict(),
+            "content": transaction.to_serializable_dict()
         }
 
         msg_string = json.dumps(msg)

src/transaction-hub-in/trace-retrieval-microservice/app/tests/test_MessageHandler.py

@@ -18,14 +18,14 @@ class DummyMongoRepo:
     def add_transaction(self, transaction):
         self.added_transactions.append(transaction)
 
-    def get_transaction_with_id(self, unique_id: str):
+    def get_transaction_with_id(self, unique_id: str, use_case,table):
         result = []
         for trans in self.added_transactions:
             transID = trans.id()
-            if transID == unique_id:
+            if transID == unique_id and trans.use_case == use_case and trans.table == table:
                 result.append(trans)
         if len(result) > 0:
-            return result
+            return result[0]
         
         return None
 
@@ -198,8 +198,8 @@ class Test_MessageHandler(unittest.TestCase):
         self.handler.handle_blockchain_transaction(msg2['content'])
         self.assertEqual(len(self.repo.added_transactions),2)
 
-    def test_handleBlockchainTransaction_multipleTransactions_3AddedUnique2Duplicate(self):
-        print("Entered Test: 3Unique 2Dupli")
+    def test_handleBlockchainTransaction_multipleTransactions3SameIdDiffUseCaseTable_3AddedUnique2Duplicate(self):
+        #print("Entered Test: 3Unique 2Dupli")
         msg = self._get_valid_message()
         msg2 = self._get_valid_message2()
         msg3 = self._get_valid_message3()