Add get_persons method to ArangoDB class

_arango.py

@@ -42,6 +42,34 @@ class ArangoDB:
             string = encoded_string[:254].decode('utf-8', 'ignore')
         return string
     
+    def get_persons(self, confirmed=True):
+            """
+            Gets a list of all names in the database.
+
+            Args:
+            confirmed (bool, optional): If True, only returns names of confirmed persons. 
+                                       If False, returns names of all persons. 
+                                       Defaults to True.
+
+            Returns:
+            dict: A dictionary containing two lists:
+                  - 'names': A list of all names in the database.
+                  - 'dict_persons': A list of dictionaries, where each dictionary contains the name and key of a person.
+            """
+            confirmed_string = ''
+            if confirmed:
+                confirmed_string = 'filter person.confirmed == true'
+                 
+            query = f"""
+            FOR person IN persons
+            {confirmed_string}
+            RETURN {{'name': person.name, '_key': person._key}}
+            """
+            persons = [i for i in self.db.aql.execute(query)]
+            names  = [document['name'] for document in persons]
+            dict_persons = {document['name']: document['_key'] for document in persons}
+            return {'names': names, 'dict':dict_persons}
+
 arango = ArangoDB()
 
 if __name__ == '__main__':