igortereshchenko · dkrupovich · May 30, 2020 · May 31, 2020 · May 31, 2020
diff --git a/Workshop3/Procfile b/Workshop3/Procfile
@@ -0,0 +1 @@
+web: gunicorn app:app --log-file -
diff --git a/Workshop3/Templates/404.html b/Workshop3/Templates/404.html
@@ -0,0 +1,10 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>404 page</title>
+</head>
+<body>
+    <h2>Wrong action value: {{action_value}}</h2>
+</body>
+</html>
diff --git a/Workshop3/Templates/all.html b/Workshop3/Templates/all.html
@@ -0,0 +1,12 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>all</title>
+</head>
+<body>
+<p> Customer {{customer}}</p>
+<p> Nutrition {{nutrition}}</p>
+
+</body>
+</html>
diff --git a/Workshop3/Templates/customer.html b/Workshop3/Templates/customer.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>client</title>
+</head>
+<body>
+
+
+    <form action = "/api/customer/submit" method = "POST" id="form_customer">
+         <p>Name <input type = "text" name = "name" value="{{customer.get('cust_name')}}"/></p>
+         <p>Surname <input type = "text" name = "surname" value="{{customer.get('cust_surname')}}" /></p>
+         <p>Login<input type = "text" name = "login" value="{{customer.get('cust_login')}}" /></p>
+         <p>Password<input type = "text" name = "pass" value="{{customer.get('cust_pass')}}" /></p>
+         <p>E-mail <input type = "text" name = "email" value="{{customer.get('cust_email')}}"/></p>
+         <p>Adress <input type = "text" name = "adress" value="{{customer.get('cust_adress')}}" /></p>
+
+     </form>
+
+    <button type="submit" form="form_customer" name="action" value="customer_update">Submit</button>
+
+
+</body>
+</html>
diff --git a/Workshop3/Templates/nutrition.html b/Workshop3/Templates/nutrition.html
@@ -0,0 +1,25 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <title>event</title>
+</head>
+<body>
+
+
+    <form action = "/api/nutrition/submit" method = "POST" id="form_nutrition">
+         <p>Title <input type = "text" name = "title" value="{{nutrition.get('nutr_title')}}"/></p>
+         <p>Brand <input type = "text" name = "brand" value="{{nutrition.get('nutr_brand')}}" /></p>
+         <p>Ingredient  <input type = "text" name = "ingredient" value="{{nutrition.get('nutr_ingredient')}}" /></p>
+         <p>Weight <input type = "text" name = "weight" value="{{nutrition.get('nutr_weight')}}"/></p>
+         <p>Price <input type = "text" name = "price" value="{{nutrition.get('nutr_price')}}" /></p>
+         <p>Description <input type = "text" name = "descr" value="{{nutrition.get('nutr_description')}}"/></p>
+
+
+     </form>
+
+    <button type="submit" form="form_nutrition" name="action" value="nutriton_update">Submit</button>
+
+
+</body>
+</html>
diff --git a/Workshop3/WorkShop3 Flask.pdf b/Workshop3/WorkShop3 Flask.pdf
diff --git a/Workshop3/app.py b/Workshop3/app.py
@@ -0,0 +1,73 @@
+from flask import Flask, request, render_template
+
+app = Flask(__name__)
+
+
+nutrition_dictionary = {
+    "nutr_title": "Big chicken nutrition pack",
+    "nutr_brand": "Purina Pro plan",
+    "nutr_ingredient": "Chicken",
+    "nutr_weight": 10,
+    "nutr_price": 400,
+    "nutr_description": "This is a food for dogs"
+}
+
+customer_dictionary = {
+   "cust_name": "Fedor",
+   "cust_surname": "Kuprianov",
+   "cust_login": "fedyakup",
+   "cust_pass": "poc123poc",
+   "cust_email": "fedya_kup@gmail.com",
+   "cust_adress": "Volgogradska str."
+}
+
+
+@app.route('/')
+def main():
+     return 'Priv che delaesh'
+
+
+
+@app.route('/api/<action>', methods=['GET'])
+def apiget(action):
+     if action == "nutrition":
+         return render_template('nutrition.html', nutrition=nutrition_dictionary)
+     elif action == "customer":
+         return render_template('customer.html', customer=customer_dictionary)
+     elif action == "all":
+         return render_template('all.html', nutrition=nutrition_dictionary, customer=customer_dictionary)
+     else:
+         return render_template('404.html',  action_value=action)
+
+
+@app.route('/api/nutrition/submit', methods=['POST'])
+def nitrition_submit():
+     if request.method == "POST":
+         nutrition_dictionary["Title"] = request.form['title']
+         nutrition_dictionary["Brand"] = request.form['brand']
+         nutrition_dictionary["Ingredient"] = request.form['ingredient']
+         nutrition_dictionary["Weight"] = request.form['weight']
+         nutrition_dictionary["Price"] = request.form['price']
+         nutrition_dictionary["Short description"] = request.form['descr']
+         return render_template("all.html", nutrition=nutrition_dictionary, customer=customer_dictionary)
+     else:
+         return render_template("nutrition.html", nutrition=nutrition_dictionary)
+
+
+@app.route('/api/customer/submit', methods=['POST'])
+def customer_submit():
+     if request.method == "POST":
+         customer_dictionary["Name"] = request.form['name']
+         customer_dictionary["Surname"] = request.form['surname']
+         customer_dictionary["Login"] = request.form['login']
+         customer_dictionary["Password"] = request.form['pass']
+         customer_dictionary["E-mail"] = request.form['email']
+         customer_dictionary["Adress"] = request.form['adress']
+         return render_template("all.html", nutrition=nutrition_dictionary, customer=customer_dictionary)
+     else:
+         return render_template("customer.html", customer=customer_dictionary)
+
+
+
+if __name__ == "__main__":
+     app.run(debug=True)
diff --git a/Workshop3/requirements.txt b/Workshop3/requirements.txt
@@ -0,0 +1,7 @@
+click==7.1.2
+Flask==1.1.2
+itsdangerous==1.1.0
+Jinja2==2.11.2
+MarkupSafe==1.1.1
+Werkzeug==1.0.1
+gunicorn == 20.0.4
diff --git a/Workshop3/runtime.txt b/Workshop3/runtime.txt
@@ -0,0 +1 @@
+python-3.8.2
diff --git a/Workshop4/source/connection.py b/Workshop4/source/connection.py
@@ -0,0 +1,11 @@
+from sqlalchemy.engine import create_engine
+
+username = 'user'
+password = '1234'
+sid = 'XE'
+host = 'localhost'
+port = '1521'
+
+
+oracle_connection_path = 'oracle+cx_oracle://{username}:{password}@{host}:{port}/{sid}'
+engine = create_engine(oracle_connection_path)
diff --git a/Workshop4/source/workshop4.py b/Workshop4/source/workshop4.py
@@ -0,0 +1,120 @@
+from sqlalchemy import Integer, String, Column, MetaData, Float, DateTime, ForeignKey, CheckConstraint
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy_utils import EmailType
+from database_connection import engine
+from sqlalchemy.orm import sessionmaker
+from sqlalchemy.orm import relationship
+import re
+Base = declarative_base()
+meta = MetaData()
+
+
+class nutrition(Base):
+    __tablename__ = 'nutrition'
+    nutr_title = Column(String(100), primary_key=True, nullable=False)
+    nutr_brand = Column(String(40), primary_key=True, nullable=False)
+    nutr_price = Column(Float, primary_key=True, nullable=False)
+    nutr_weight = Column(Float, primary_key=True, nullable=False)
+    nutr_ingredient = Column(String(30), primary_key=True, nullable=False)
+    nutr_description = Column(String(500), nullable=False)
+    CheckConstraint('price > 0', name='check_price')
+    CheckConstraint('weight > 0', name='check_weight')
+
+
+
+    @classmethod
+    def add(cls, nutr_title, nutr_brand, nutr_price, nutr_weight, nutr_ingredient, nutr_description):
+        if not nutr_title.isalpha() or not nutr_brand.isalpha() or not nutr_ingredient.isalpha() or not nutr_description.isalpha() \
+                or not isinstance(nutr_price, float) or not isinstance(nutr_weight, float):
+            print("Data is not correct!")
+            return -1
+        Session = sessionmaker(bind=engine)
+        session = Session()
+        Nutrition = nutrition(nutr_title=nutr_title, nutr_brand=nutr_brand, nutr_price=nutr_price, nutr_weight=nutr_weight, nutr_ingredient=nutr_ingredient,
+                    nutr_description=nutr_description)
+        session.add(Nutrition)
+        session.commit()
+
+class customer(Base):
+    __tablename__ = 'customer'
+
+    cust_name = Column(String(80), nullable=False)
+    cust_surname = Column(String(90))
+    cust_login = Column(String(40), primary_key=True, nullable=False)
+    cust_password = Column(String(50), nullable=False)
+    cust_email = Column(EmailType, nullable=False)
+    cust_adress = Column(String(300), nullable=False)
+
+    @classmethod
+    def add(cls, cust_name, cust_surname, cust_login, cust_password, cust_email, cust_adress):
+        if not cust_name.isalpha() or not cust_surname.isalpha() or not cust_login.isalpha() or not cust_password.isalpha()  \
+                or not cust_adress.isalpha() or not re.match(r"[^@]+@[^@]+\.[^@]+", cust_email):
+            print("Data is not correct!")
+            return -1
+        Session = sessionmaker(bind=engine)
+        session = Session()
+        Customer1 = customer(cust_name=cust_name, cust_surname=cust_surname, cust_login=cust_login, cust_password=cust_password,
+                    cust_email=cust_email, cust_adress=cust_adress)
+        session.add(Customer1)
+        session.commit()
+
+
+class review(Base):
+    __tablename__ = 'review'
+    nutr_title = Column(String(100), ForeignKey('nutrition.nutr_title'), primary_key=True, nullable=False)
+    nutr_brand = Column(String(40), ForeignKey('nutrition.nutr_brand'), primary_key=True, nullable=False)
+    nutr_price_fk = Column(Float, ForeignKey('nutrition.nutr_price'))
+    nutr_ingredient_fk = Column(String(30), ForeignKey('nutrition.nutr_ingredient'))
+    reviews = Column(String(600), nullable=False)
+    rating = Column(Integer, nullable=False)
+    CheckConstraint('nutr_price_fk >= 0', name='check_nutr_price_fk')
+    CheckConstraint('rating >= 0', name='check_rating')
+    nutritions = relationship("nutrition", foreign_keys=[nutr_title])
+    nutritions_brand = relationship("nutrition", foreign_keys=[nutr_brand])
+    nutritions_price = relationship("nutrition", foreign_keys=[nutr_price_fk])
+    nutritions_ingredient = relationship("nutrition", foreign_keys=[nutr_ingredient_fk])
+
+    @classmethod
+    def add(cls, nutr_title, nutr_brand, nutr_price_fk, nutr_ingredient_fk, reviews, rating):
+        if  not nutr_title.isalpha() or not nutr_brand.isalpha() \
+                or not isinstance(nutr_price_fk, float) or not nutr_ingredient_fk.isalpha() or not reviews.isalpha() \
+                 or not isinstance(rating, int):
+            print("Data is not correct!")
+            return -1
+        Session = sessionmaker(bind=engine)
+        session = Session()
+        review1 = review(nutr_title=nutr_title, nutr_brand=nutr_brand, nutr_price_fk=nutr_price_fk,
+                         nutr_ingredient_fk=nutr_ingredient_fk, reviews=reviews, rating=rating)
+        session.add(review1)
+        session.commit()
+
+
+class cust_order(Base):
+    __tablename__ = 'cust_order'
+
+    nutr_title = Column(String(100), ForeignKey('nutrition.nutr_title'), primary_key=True, nullable=False)
+    nutr_brand = Column(String(40), ForeignKey('nutrition.nutr_brand'), primary_key=True, nullable=False)
+    nutr_price = Column(Float, ForeignKey('nutrition.nutr_price'))
+    nutr_ingredient_fk = Column(String(30), ForeignKey('nutrition.genre'), nullable=False)
+    status = Column(String(25), nullable=False)
+    CheckConstraint('price >= 0', name='check_price')
+    nutritions = relationship("nutrition", foreign_keys=[nutr_title])
+    nutritions_brand = relationship("nutrition", foreign_keys=[nutr_brand])
+    nutritions_price = relationship("nutrition", foreign_keys=[nutr_price])
+    nutritions_ingredient = relationship("nutrition", foreign_keys=[nutr_ingredient_fk])
+
+    @classmethod
+    def add(cls, nutr_title, nutr_brand, nutr_price, nutr_ingredient_fk, status):
+        if not nutr_title.isalpha() or not nutr_brand.isalpha() \
+                or not isinstance(nutr_price, float) or not nutr_brand.isalpha() or not status.isalpha():
+            print("Data is not correct!")
+            return -1
+        Session = sessionmaker(bind=engine)
+        session = Session()
+        cust_order1 = cust_order(nutr_title=nutr_title, nutr_brand=nutr_brand, nutr_price=nutr_price, nutr_ingredient_fk=nutr_ingredient_fk,
+                                 status=status)
+        session.add(cust_order1)
+        session.commit()
+
+
+Base.metadata.create_all(engine)
diff --git a/Workshop4/sql/add_tables.sql b/Workshop4/sql/add_tables.sql
@@ -0,0 +1,46 @@
+create table nutrition(
+    nutr_title VARCHAR2(100),
+    nutr_brand VARCHAR2(40),
+    nutr_price NUMBER(8, 2),
+    nutr_weight NUMBER(6, 2),
+    nutr_ingredient VARCHAR2(30), 
+    nutr_description VARCHAR2(500) NOT NULL,
+    CONSTRAINT nutr_constraint PRIMARY KEY (nutr_title, nutr_brand, nutr_price, nutr_ingredient),
+    CONSTRAINT check_nutr_price CHECK (nutr_price >= 0),
+    CONSTRAINT check_nutr_weight CHECK (nutr_weight >= 0),
+);
+
+create table customer(
+    cust_name VARCHAR2(80) NOT NULL, 
+    cust_surname VARCHAR2(90),
+    cust_login VARCHAR2(40) NOT NULL PRIMARY KEY,
+    cust_password VARCHAR2(50) NOT NULL, 
+    cust_email VARCHAR2(50) NOT NULL UNIQUE, 
+    cust_adress VARCHAR2(300) NOT NULL
+    CONSTRAINT cust_email_check CHECK (REGEXP_LIKE (cust_email, '^(\S+)\@(\S+)\.(\S+)$'))
+);
+
+create table review(
+    nutr_title VARCHAR2(100) NOT NULL,
+    nutr_brand VARCHAR2(40) NOT NULL,
+    nutr_price_fk NUMBER(8, 2),
+    nutr_ingredient_fk VARCHAR2(30),
+    reviews VARCHAR2(600) NOT NULL,
+    rating INTEGER NOT NULL,
+    CONSTRAINT review_constraint PRIMARY KEY (nutr_title, nutr_brand),
+    CONSTRAINT check_review_nutr_price CHECK (nutr_price_fk >= 0),
+    CONSTRAINT rating CHECK (rating > 0 and rating <= 10)
+);
+
+
+create table cust_order(
+    nutr_title VARCHAR2(100) NOT NULL,
+    nutr_brand VARCHAR2(40) NOT NULL,
+    nutr_price NUMBER(8, 2) NOT NULL,
+    nutr_ingredient_fk VARCHAR2(30), 
+    status VARCHAR2(25) NOT NULL,
+    CONSTRAINT order_constraint PRIMARY KEY (nutr_title, nutr_brand),
+    CONSTRAINT check_order_nutr_price CHECK (nutr_price >= 0)
+);
+
+