Added result caching to pyMetadata + Update to G.A

.github/workflows/main.yml

@@ -17,7 +17,17 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v2
 
+      - name: Check if code has changed
+        id: check-commoncode
+        run: |
+          if [[ $(git diff --name-only ${{ github.event.before }} ${{ github.event.after }} CommonCode/) ]]; then
+            echo "::set-output name=skip::false"
+          else
+            echo "::set-output name=skip::true"
+          fi
+
       - name: Cache CommonCode Gradle dependencies
+        if: steps.check-commoncode.outputs.skip == 'false'
         id: cache-gradle
         uses: actions/cache@v2
         with:

pyMetadata/app.py

@@ -11,6 +11,7 @@ from sources.result import DataResult, Metadata
 from sources.anii import metadata as AniiMetadata
 from sources.imdb import metadata as ImdbMetadata
 from sources.mal import metadata as MalMetadata
+from sources.cache import ResultCache
 
 # Konfigurer Kafka-forbindelsen
 bootstrap_servers = os.environ.get("KAFKA_BOOTSTRAP_SERVER") or "127.0.0.1:9092"
@@ -123,8 +124,19 @@ class MessageHandlerThread(threading.Thread):
             if status_type == 'SUCCESS':
                 data_value = self.message.value['data']["title"]
 
-                # Utfør handlingen basert på verdien
+                result = None # Will be assigned by either cache_result or sel.perform_action
-                result = self.perform_action(title=data_value)
+                print(f"Checking cache for offloading")
+                cache_result = ResultCache.get(data_value)
+                if cache_result:
+                    print(f"Cache hit for {data_value}")
+                    result = cache_result
+                else:
+                    print(f"Searching in sources for infomration about {data_value}")
+                    result = self.perform_action(title=data_value)
+                    if (result.statusType == "SUCCESS"):
+                        print(f"Storing response for {data_value} in-memory cache")
+                        ResultCache.add(data_value, result)
+
 
                 producerMessage = self.compose_message(referenceId=self.message.value["referenceId"], result=result)
 

pyMetadata/sources/cache.py

@@ -0,0 +1,14 @@
+from typing import Optional
+from .result import DataResult
+
+
+class ResultCache:
+    _cache = {}
+
+    @classmethod
+    def add(cls, title: str, result: DataResult):
+        cls._cache[title] = result
+    
+    @classmethod
+    def get(cls, title) -> Optional[DataResult]:
+        return cls._cache.get(title)