School Commit Init

Anul 1/Semestrul 1/Fundamentals of Programming/a7-912-Cujba-Daniel/src/services/__init__.py

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+

Anul 1/Semestrul 1/Fundamentals of Programming/a7-912-Cujba-Daniel/src/services/services.py

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+from domain.domain import Expense
+from repositories.repository import Repository
+
+class Services():
+    def __init__(self,repo:Repository) -> None:
+        self.repo=repo
+        self.undos=0
+    def add_expense(self,day,money,type_of_expense):
+        """
+        :params:
+            day - integer between 1 and 30
+            money - positive integer
+            type_of_expense - string
+
+        The function creates a new Expense object and call the repository's insert_element method
+        The function increments the undo counter
+        """
+        expense=Expense(day,money,type_of_expense)
+        self.repo.insert_element(expense)
+        self.undos+=1
+    def display_list(self):
+        return self.repo.get_elements()
+    def filter_list(self,value):
+        self.undos+=1
+        self.repo.filter_elements(value)
+    def undo(self):
+        if self.undos>0:
+            self.undos-=1
+            self.repo.undo()
+        else:
+            raise Exception("No more undos available")