Implemented ConceptManager with concept creation, modification and deletion

src/cache/CacheManager.py

@@ -6,14 +6,22 @@ from cache.BaseCache import BaseCache
 from core.concept import Concept
 
 
+@dataclass
 class MultipleEntryError(Exception):
     """
     Exception raised when trying to alter an entry with multiple element
     without giving the origin of the element
     """
 
-    def __init__(self, key):
-        self.key = key
+    key: str
+
+
+@dataclass
+class ConceptNotFound(Exception):
+    """
+    Thrown when you try to remove a concept that is not found
+    """
+    concept: object
 
 
 @dataclass
@@ -127,6 +135,29 @@ class CacheManager:
         #         pass
         #     self.is_dirty = True
 
+    def remove_concept(self, concept):
+        """
+        Remove a concept from all caches
+        :param concept:
+        :return:
+        """
+        with self._lock:
+            # the first concept cache must the one where all concept are unique
+            # eg it has to be the concept by id
+            ref_cache_def = self.caches[self.concept_caches[0]]
+            concept_id = ref_cache_def.get_key(concept)
+            ref_concept = ref_cache_def.cache.get(concept_id)
+
+            if ref_concept is None:
+                raise ConceptNotFound(concept)
+
+            for cache_name in self.concept_caches:
+                cache_def = self.caches[cache_name]
+                key = cache_def.get_key(ref_concept)
+                cache_def.cache.delete(key, ref_concept)
+
+            self.is_dirty = True
+
     def get(self, cache_name, key):
         """
         From concept cache, get an entry