models.py
from flask import Flask
from flask_sqlalchemy import SQLAlchemy
from flask_login import LoginManager, UserMixin
from flask_msearch import Search
from datetime import datetime
app = Flask(__name__)
app.config["SECRET_KEY"] = "secret"
app.config['SQLALCHEMY_DATABASE_URI'] = 'sqlite:///database.db'
app.config["SQLALCHEMY_TRACK_MODIFICATIONS"] = False
db = SQLAlchemy(app)
search = Search()
search.init_app(app)
login_manager = LoginManager()
login_manager.init_app(app)
login_manager.login_view = 'login'
class Products(db.Model):
    __searchable__ = ["product_name"]
    id = db.Column(db.Integer, primary_key=True)
    product_name = db.Column(db.String(20))
    product_amount = db.Column(db.Integer)
    product_price = db.Column(db.Float)
    product_date =  db.Column(db.DateTime, default=datetime.utcnow)
    category_id = db.Column(db.Integer, db.ForeignKey('category.id'))
    category = db.relationship('Category', backref="category")
    def __repr__(self):
        return f"Products('{self.product_name}' '{self.product_amount}' '{self.product_price}' '{self.category}')"
class Category(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    category_name = db.Column(db.String(80))
    def __repr__(self):
        return f"{self.category_name}"
app.py
<52>@app.route("/categories", methods=["GET", "POST"])
@login_required
def categories():
    categories = Category.query.all()
    if request.method == "POST":
        category_name = request.form["category_name"]
        category = Category(category_name=category_name)
        db.session.add(category)
        db.session.commit()
        return redirect(url_for("categories"))
    return render_template("categories.html", categories=categories)
Tablo
        
          
            Category Name 
            Total Product 
            Update Category 
            Delete Category 
           
        
        
            
          {% for category in categories %}
          
              {{ category.category_name }} 
              Product Counter in Specific Category 
              Update 
              Delete 
           
          {% endfor %}  
            
        
      
  
Yukarıda "Product Counter in Specific Category" yazan yere örneğin ben bir ürün eklediğimde:
Ürün adı : telefon-1
Ürün adedi: 5
Ürün fiyatı : 150TL
Kategori: Telefon
Ürün adı : telefon-2
Ürün adedi: 3
Ürün fiyatı : 100TL
Kategori: Telefon
gibi oldugunda tabloda telefon kategorisi satırında mesela fiyat yerinde 250TL ürün adedinde 8 yazacak
Bunu nasıl yapabilirim yardımcı olur musunuz?
 
  

 
                    
