week_4 HW _eren

book.json

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+[
+
+]

book_transactions.py

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+import json,random,string
+bookPath = "book.json"
+
+def bookList():
+    with open(bookPath,"r", encoding='utf-8') as file:
+        data = json.load(file)
+        if data:
+            print("\n____BOOK LIST____")
+            print(f"\nTotal Books: {len(data)}")
+            for dict in data:
+                print("")
+                for key, value in dict.items():
+                    print(f"{key}:{value}")
+        else:
+            print("there is no book to display")
+
+def addBook():
+    addition = {}
+#-------------barcode generate-------------------------------
+    number = '978605'
+    while True:
+        number2 = ''
+        for _ in range(7):
+            number2 += str(random.randint(0,9))
+        with open(bookPath,"r",encoding="utf-8") as file:
+            data = json.load(file)
+            if data:
+                for dicts in data:
+                    if int(number+number2) == dicts["Barkod"]:
+                        continue
+                    else:
+                        barcode = int(number+number2)
+                        break
+            else:
+                barcode = 9786053214582
+                break
+        break
+
+#-------------barcode generate---------------------------------
+    while True:
+        Dil = input("lutfen kitabin dilini giriniz: ").title()
+        while True:
+            Fiyat = input("lutfen kitap fiyatini giriniz: ")
+            try:
+                Fiyat = float(Fiyat)
+                break
+            except ValueError:
+                print("lutfen sayi giriniz!")
+        Kitap_adi = string.capwords(input("lutfen kitap ismini giriniz: "))
+        Yayinevi = input("lutfen yayinevi adini giriniz: ").title()
+        Yazar = input("lutfen kitabin yazarini giriniz: ").title()
+        addition['Barkod']=barcode
+        addition['Dil']=Dil
+        addition['Fiyat']=Fiyat
+        addition['Kitap_Adi']=Kitap_adi
+        addition['Yayinevi']=Yayinevi
+        addition['Yazar']=Yazar
+        with open(bookPath,"r+",encoding="utf-8") as file:
+            data = json.load(file)
+            data.append(addition)
+            file.seek(0)
+            json.dump(data,file,ensure_ascii=False,indent=4)
+        break
+    while True:
+        ques = input("baska kitap eklemek istermisiniz?  Y/N: ").strip().upper()
+        if ques == "N":
+            print("cikis yapiliyor")
+        elif ques == "Y":
+            addBook()
+        else:
+            print("yanlis giris yaptiniz")
+            continue
+        break
+
+
+
+def searchBook():
+    flag = False
+    while True:
+        bookName = string.capwords(input("please enter the book name: "))
+        with open(bookPath,"r",encoding="utf-8") as file:
+            data = json.load(file)
+        for dicts in data:
+            if bookName == dicts["Kitap_Adi"]:
+                print("")
+                for key, value in dicts.items():
+                    print(f"{key}: {value}")
+                    flag = True
+        if flag == True:
+            break
+        else:
+            print(f"{bookName} cannot be found please try again")
+
+def removeBook():
+    flag = False
+    while True:
+        removedBook = string.capwords(input("please enter the book name: "))
+        with open(bookPath,"r",encoding="utf-8") as file:
+            data = json.load(file)
+            for dicts in data:
+                if dicts["Kitap_Adi"] == removedBook:
+                    flag = True
+        if flag == True:
+            break
+        else:
+            print(f"{removedBook} can not be found int the book list please try again")
+
+    newJson = [dicts2 for dicts2 in data if dicts2["Kitap_Adi"] != removedBook]
+    with open(bookPath,"w") as file:
+        json.dump(newJson, file,ensure_ascii=False, indent=4)
+    print("the book has been removed")
+
+