OOP ile yapılan örnek uygulamanın çözümü eklendi.

serhattsnmz · serhattsnmz · commit 7eaa1c94b919 · 2018-08-01T09:58:36.000+03:00
diff --git a/OOP - Example (Serhat)/crud.py b/OOP - Example (Serhat)/crud.py
@@ -0,0 +1,76 @@
+import json
+import os
+import uuid
+
+class User:
+    def __init__(self):
+        self.isim = ""
+        self.soyisim = ""
+        self.numara = ""
+
+class DatabaseMethods:
+    def __init__(self):
+        self.path = "database.json"
+        self.Create_Database_If_Not_Exists()
+
+    def Check_UserID(self, user_id):
+        with open(self.path, "r") as f:
+            js = json.load(f)
+
+        #if user_id in js:
+        #    return True
+        #else:
+        #    return False
+
+        #return True if user_id in js else False
+
+        return user_id in js
+
+    def Create_Database_If_Not_Exists(self):
+        if not os.path.exists(self.path):
+            with open(self.path, "w") as f:
+                json.dump({}, f)
+
+    def add(self, user):
+        with open(self.path, "r") as f:
+            js = json.load(f)
+
+        js.update({
+            str(uuid.uuid1()) : user.__dict__
+        })
+
+        with open(self.path, "w") as f:
+            json.dump(js, f)
+
+    def update(self, user_id, user):
+        with open(self.path, "r") as f:
+            js = json.load(f)
+        
+        # exist_check = js.get(user_id, False)
+        # if not exist_check:
+        #     return False
+        
+        if user_id in js:
+            js[user_id] = user.__dict__
+
+        with open(self.path, "w") as f:
+            json.dump(js, f)
+
+    def get(self):
+        with open(self.path) as f:
+            js = json.load(f)
+        return js
+
+    def delete(self, user_id):
+        result = False
+        with open(self.path, "r") as f:
+            js = json.load(f)
+
+        if user_id in js:
+            del js[user_id]
+            result = True
+
+        with open(self.path, "w") as f:
+            json.dump(js, f)
+
+        return result
diff --git a/OOP - Example (Serhat)/main.py b/OOP - Example (Serhat)/main.py
@@ -0,0 +1,72 @@
+import os
+import sys
+from pprint import pprint
+from crud import User, DatabaseMethods
+
+class ConsoleProgram:
+    def __init__(self):
+        self.main_choice = ""
+        self.choices_list = ["1", "2", "3", "4"]
+    
+    def Main_Page(self):
+        print("Hoşgeldiniz...")
+        while True:
+            print("1. Kayıtları Göster")
+            print("2. Ekle")
+            print("3. Güncelle")
+            print("4. Sil")
+            self.main_choice = input()
+            if self.main_choice in self.choices_list:
+                break
+            self.Clear_Screen()
+            print("Girdiniz değer yanlıştır!")
+
+    def Goto_Choice(self):
+        db = DatabaseMethods()
+
+        if self.main_choice == "1": # Get
+            pprint(db.get())
+        
+        elif self.main_choice == "2": # Add
+            db.add(self.Get_User())
+            pprint(db.get())
+        
+        elif self.main_choice == "3": # Update
+            user_id = input("User ID : ")
+            if db.Check_UserID(user_id):
+                db.update(user_id, self.Get_User())
+                print("Kullanıcı güncellendi.")
+            else:
+                print("Kullanıcı bulunamadı.")
+
+            pprint(db.get())
+        
+        elif self.main_choice == "4": # Delete
+            user_id = input("Kullanıcı ID giriniz : ")
+            
+            if db.delete(user_id):
+                print("Kullanıcı silindi.")
+            else:
+                print("Böyle bir kullanıcı bulunamadı.")
+
+            pprint(db.get())
+
+    @staticmethod
+    def Clear_Screen():
+        os.system("cls" if sys.platform == "nt" else "clear")
+
+    @staticmethod
+    def Get_User():
+        user = User()
+        user.isim    = input("isim    : ")
+        user.soyisim = input("soyisim : ")
+        user.numara  = input("numara  : ")
+        return user
+
+    def Run(self):
+        self.Main_Page()
+        self.Goto_Choice()
+
+if __name__ == "__main__":
+    n = ConsoleProgram()
+    n.Run()
