Add json storage definer

Author: soheilrt

definers/json_storage.py

@@ -0,0 +1,33 @@
+import os.path
+import pickle
+from typing import List
+
+from models.definer import DefinerStorage, NotFoundException
+from models.word import WordDefinition
+
+
+class JsonDefinerStorage(DefinerStorage):
+    def exists(self, word: str) -> bool:
+        return os.path.exists(self.__get_word_store_location(word))
+
+    def __init__(self):
+        self.__storage_location = os.path.join(os.path.dirname(__file__), '../data/definitions')
+
+        if not os.path.exists(self.__storage_location):
+            os.makedirs(self.__storage_location)
+
+    def store(self, word: str, definitions: List[WordDefinition]):
+        with open(self.__get_word_store_location(word), 'wb') as f:
+            pickle.dump(definitions, f)
+
+    def define(self, word) -> List[WordDefinition]:
+        word_location = self.__get_word_store_location(word)
+
+        if not self.exists(word):
+            raise NotFoundException(f"Word {word} not found")
+
+        with open(word_location, 'rb') as f:
+            return pickle.load(f)
+
+    def __get_word_store_location(self, word: str):
+        return os.path.join(self.__storage_location, f"{word}.bin")