SQL CODE BUGS FIXES

Login Auth now implemented
Persistance login page
AI app.jsx formating

SQL_code/Schema.sql

@@ -0,0 +1,107 @@
+-- User Entity
+CREATE TABLE User (
+    UserID INT AUTO_INCREMENT PRIMARY KEY,
+    Name VARCHAR(100) NOT NULL,
+    Email VARCHAR(100) UNIQUE NOT NULL,
+    UCID VARCHAR(20) UNIQUE NOT NULL,
+    Password VARCHAR(255) NOT NULL,
+    Phone VARCHAR(20),
+    Address VARCHAR(255)
+);
+
+CREATE TABLE UserRole (
+    UserID INT,
+    Client BOOLEAN DEFAULT True,
+    Admin BOOLEAN DEFAULT FALSE,
+    PRIMARY KEY (UserID),
+    FOREIGN KEY (UserID) REFERENCES Users (UserID) ON DELETE CASCADE
+);
+
+-- Product Entity
+CREATE TABLE Product (
+    ProductID INT PRIMARY KEY,
+    Name VARCHAR(255) NOT NULL,
+    Price DECIMAL(10, 2) NOT NULL,
+    StockQuantity INT,
+    ImageURL VARCHAR(255),
+    UserID INT,
+    Description TEXT,
+    CategoryID INT NOT NULL,
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
+);
+
+-- Category Entity
+CREATE TABLE Category (CategoryID INT PRIMARY KEY, Name VARCHAR(255));
+
+-- Review Entity (Many-to-One with User, Many-to-One with Product)
+CREATE TABLE Review (
+    ReviewID INT PRIMARY KEY,
+    UserID INT,
+    ProductID INT,
+    Comment TEXT,
+    Rating INT CHECK (
+        Rating >= 1
+        AND Rating <= 5
+    ),
+    Date DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
+);
+
+-- Transaction Entity (Many-to-One with User, Many-to-One with Product)
+CREATE TABLE Transaction (
+    TransactionID INT PRIMARY KEY,
+    UserID INT,
+    ProductID INT,
+    Date DATETIME DEFAULT CURRENT_TIMESTAMP,
+    PaymentStatus VARCHAR(50),
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
+);
+
+-- Recommendation Entity (Many-to-One with User, Many-to-One with Product)
+CREATE TABLE Recommendation (
+    RecommendationID_PK INT PRIMARY KEY,
+    UserID INT,
+    RecommendedProductID INT,
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (RecommendedProductID) REFERENCES Product (ProductID)
+);
+
+-- History Entity (Many-to-One with User, Many-to-One with Product)
+CREATE TABLE History (
+    HistoryID INT PRIMARY KEY,
+    UserID INT,
+    ProductID INT,
+    Date DATETIME DEFAULT CURRENT_TIMESTAMP,
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
+);
+
+-- Favorites Entity (Many-to-One with User, Many-to-One with Product)
+CREATE TABLE Favorites (
+    FavoriteID INT PRIMARY KEY,
+    UserID INT,
+    ProductID INT,
+    FOREIGN KEY (UserID) REFERENCES User (UserID),
+    FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
+);
+
+-- Product-Category Junction Table (Many-to-Many)
+CREATE TABLE Product_Category (
+    ProductID INT,
+    CategoryID INT,
+    PRIMARY KEY (ProductID, CategoryID),
+    FOREIGN KEY (ProductID) REFERENCES Product (ProductID),
+    FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
+);
+
+-- Login Authentication table, Store the userID,and a emailed code of user who have not authenticated,
+CREATE TABLE AuthVerification (
+    UserID INT AUTO_INCREMENT PRIMARY KEY,
+    Email VARCHAR(100) UNIQUE NOT NULL,
+    VerificationCode VARCHAR(6) NOT NULL,
+    Authenticated BOOLEAN DEFAULT FALSE,
+    Date DATETIME DEFAULT CURRENT_TIMESTAMP
+);