From 904c908249e62743f1d538debf0a02b1bfd2ea24 Mon Sep 17 00:00:00 2001
From: Mann Patel <130435633+MannPatel0@users.noreply.github.com>
Date: Sun, 23 Mar 2025 16:29:38 -0600
Subject: [PATCH] init local db with python

---
 README.md           |   4 +
 SQL_code/Schema.sql | 292 +++++++++++++++++++++++++++++++++++++++++++-
 SQL_code/init-db.py |   3 +
 3 files changed, 293 insertions(+), 6 deletions(-)
 create mode 100644 SQL_code/init-db.py

diff --git a/README.md b/README.md
index 6d91d20..47f82f1 100644
--- a/README.md
+++ b/README.md
@@ -22,4 +22,8 @@
 ```
 
 ### Database
+1. To Create the DB use the command bellow
+```Bash
+    python3 ./SQL_code/init-db.py
+```
 - MySql Version 9.2.0
diff --git a/SQL_code/Schema.sql b/SQL_code/Schema.sql
index de35ebd..3f36cf3 100644
--- a/SQL_code/Schema.sql
+++ b/SQL_code/Schema.sql
@@ -1,3 +1,8 @@
+-- MySql Version 9.2.0
+CREATE DATABASE Marketplace;
+
+USE Marketplace;
+
 -- User Entity
 CREATE TABLE User (
     UserID INT AUTO_INCREMENT PRIMARY KEY,
@@ -17,7 +22,7 @@ CREATE TABLE UserRole (
     FOREIGN KEY (UserID) REFERENCES User (UserID) ON DELETE CASCADE
 );
 
--- Category Entity  (must be created before Product or else error)
+-- Category Entity (must be created before Product or else error)
 CREATE TABLE Category (
     CategoryID INT PRIMARY KEY,
     Name VARCHAR(255) NOT NULL
@@ -31,19 +36,20 @@ CREATE TABLE Product (
     StockQuantity INT,
     UserID INT,
     Description TEXT,
-    Timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
     CategoryID INT NOT NULL,
+    Date DATETIME DEFAULT CURRENT_TIMESTAMP,
     FOREIGN KEY (UserID) REFERENCES User (UserID),
     FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
 );
 
+-- Fixed Image_URL table
 CREATE TABLE Image_URL (
     URL VARCHAR(255),
+    ProductID INT,
     FOREIGN KEY (ProductID) REFERENCES Product (ProductID)
-)
+);
 
-
--- Review Entity (Many-to-One with User, Many-to-One with Product)
+-- Fixed Review Entity (Many-to-One with User, Many-to-One with Product)
 CREATE TABLE Review (
     ReviewID INT PRIMARY KEY,
     UserID INT,
@@ -106,7 +112,7 @@ CREATE TABLE Product_Category (
     FOREIGN KEY (CategoryID) REFERENCES Category (CategoryID)
 );
 
--- Login Authentication table, Store the userID,and a emailed code of user who have not authenticated,
+-- Login Authentication table
 CREATE TABLE AuthVerification (
     UserID INT AUTO_INCREMENT PRIMARY KEY,
     Email VARCHAR(100) UNIQUE NOT NULL,
@@ -114,3 +120,277 @@ CREATE TABLE AuthVerification (
     Authenticated BOOLEAN DEFAULT FALSE,
     Date DATETIME DEFAULT CURRENT_TIMESTAMP
 );
+
+-- -- Insert sample categories
+-- INSERT INTO
+--     Category (CategoryID, Name)
+-- VALUES
+--     (1, 'Electronics'),
+--     (2, 'Clothing'),
+--     (3, 'Books'),
+--     (4, 'Home & Garden'),
+--     (5, 'Sports & Outdoors');
+-- -- -- USER CRUD OPERATIONS
+-- -- -- Create User (INSERT)
+-- -- INSERT INTO
+-- --     User (Name, Email, UCID, Password, Phone, Address)
+-- -- VALUES
+-- --     (
+-- --         'John Doe',
+-- --         'john@example.com',
+-- --         'UC123456',
+-- --         'hashed_password_here',
+-- --         '555-123-4567',
+-- --         '123 Main St'
+-- --     );
+-- -- -- Set user role
+-- -- INSERT INTO
+-- --     UserRole (UserID, Client, Admin)
+-- -- VALUES
+-- --     (LAST_INSERT_ID (), TRUE, FALSE);
+-- -- -- Read User (SELECT)
+-- -- SELECT
+-- --     u.*,
+-- --     ur.Client,
+-- --     ur.Admin
+-- -- FROM
+-- --     User u
+-- --     JOIN UserRole ur ON u.UserID = ur.UserID
+-- -- WHERE
+-- --     u.UserID = 1;
+-- -- -- Update User (UPDATE)
+-- -- UPDATE User
+-- -- SET
+-- --     Name = 'John Smith',
+-- --     Phone = '555-987-6543',
+-- --     Address = '456 Elm St'
+-- -- WHERE
+-- --     UserID = 1;
+-- -- -- Update User Role
+-- -- UPDATE UserRole
+-- -- SET
+-- --     Admin = TRUE
+-- -- WHERE
+-- --     UserID = 1;
+-- -- -- PRODUCT CRUD OPERATIONS
+-- -- -- Create Product (INSERT)
+-- -- INSERT INTO
+-- --     Product (
+-- --         ProductID,
+-- --         Name,
+-- --         Price,
+-- --         StockQuantity,
+-- --         UserID,
+-- --         Description,
+-- --         CategoryID
+-- --     )
+-- -- VALUES
+-- --     (
+-- --         1,
+-- --         'Smartphone',
+-- --         599.99,
+-- --         50,
+-- --         1,
+-- --         'Latest model smartphone with amazing features',
+-- --         1
+-- --     );
+-- -- -- Add product images with the placeholder URL
+-- -- INSERT INTO
+-- --     Image_URL (URL, ProductID)
+-- -- VALUES
+-- --     ('https://picsum.photos/id/237/200/300', 1),
+-- --     ('https://picsum.photos/id/237/200/300', 1);
+-- -- -- Create another product for recommendations
+-- -- INSERT INTO
+-- --     Product (
+-- --         ProductID,
+-- --         Name,
+-- --         Price,
+-- --         StockQuantity,
+-- --         UserID,
+-- --         Description,
+-- --         CategoryID
+-- --     )
+-- -- VALUES
+-- --     (
+-- --         2,
+-- --         'Tablet',
+-- --         799.99,
+-- --         30,
+-- --         1,
+-- --         'High-performance tablet',
+-- --         1
+-- --     );
+-- -- -- Add placeholder images for the second product
+-- -- INSERT INTO
+-- --     Image_URL (URL, ProductID)
+-- -- VALUES
+-- --     ('https://picsum.photos/id/237/200/300', 2),
+-- --     ('https://picsum.photos/id/237/200/300', 2);
+-- -- -- Read Product (SELECT)
+-- -- SELECT
+-- --     p.*,
+-- --     c.Name as CategoryName,
+-- --     u.Name as SellerName,
+-- --     i.URL as ImageURL
+-- -- FROM
+-- --     Product p
+-- --     JOIN Category c ON p.CategoryID = c.CategoryID
+-- --     JOIN User u ON p.UserID = u.UserID
+-- --     LEFT JOIN Image_URL i ON p.ProductID = i.ProductID
+-- -- WHERE
+-- --     p.ProductID = 1;
+-- -- -- Update Product (UPDATE)
+-- -- UPDATE Product
+-- -- SET
+-- --     Name = 'Premium Smartphone',
+-- --     Price = 649.99,
+-- --     StockQuantity = 45,
+-- --     Description = 'Updated description with new features'
+-- -- WHERE
+-- --     ProductID = 1;
+-- -- -- CATEGORY CRUD OPERATIONS
+-- -- -- Create Category (INSERT)
+-- -- INSERT INTO
+-- --     Category (CategoryID, Name)
+-- -- VALUES
+-- --     (6, 'Toys & Games');
+-- -- -- Read Category (SELECT)
+-- -- SELECT
+-- --     *
+-- -- FROM
+-- --     Category
+-- -- WHERE
+-- --     CategoryID = 6;
+-- -- -- Update Category (UPDATE)
+-- -- UPDATE Category
+-- -- SET
+-- --     Name = 'Toys & Children''s Games'
+-- -- WHERE
+-- --     CategoryID = 6;
+-- -- -- REVIEW OPERATIONS
+-- -- INSERT INTO
+-- --     Review (ReviewID, UserID, ProductID, Comment, Rating)
+-- -- VALUES
+-- --     (
+-- --         1,
+-- --         1,
+-- --         1,
+-- --         'Great product, very satisfied with the purchase!',
+-- --         5
+-- --     );
+-- -- -- TRANSACTION OPERATIONS
+-- -- INSERT INTO
+-- --     Transaction (TransactionID, UserID, ProductID, PaymentStatus)
+-- -- VALUES
+-- --     (1, 1, 1, 'Completed');
+-- -- -- HISTORY OPERATIONS
+-- -- INSERT INTO
+-- --     History (HistoryID, UserID, ProductID)
+-- -- VALUES
+-- --     (1, 1, 1);
+-- -- -- Read History (SELECT)
+-- -- SELECT
+-- --     h.*,
+-- --     p.Name as ProductName
+-- -- FROM
+-- --     History h
+-- --     JOIN Product p ON h.ProductID = p.ProductID
+-- -- WHERE
+-- --     h.UserID = 1
+-- -- ORDER BY
+-- --     h.Date DESC;
+-- -- -- FAVORITES OPERATIONS
+-- -- INSERT INTO
+-- --     Favorites (UserID, ProductID)
+-- -- VALUES
+-- --     (1, 1);
+-- -- -- Read Favorites (SELECT)
+-- -- SELECT
+-- --     f.*,
+-- --     p.Name as ProductName,
+-- --     p.Price
+-- -- FROM
+-- --     Favorites f
+-- --     JOIN Product p ON f.ProductID = p.ProductID
+-- -- WHERE
+-- --     f.UserID = 1;
+-- -- -- RECOMMENDATION OPERATIONS
+-- -- INSERT INTO
+-- --     Recommendation (RecommendationID_PK, UserID, RecommendedProductID)
+-- -- VALUES
+-- --     (1, 1, 2);
+-- -- -- Read Recommendations (SELECT)
+-- -- SELECT
+-- --     r.*,
+-- --     p.Name as RecommendedProductName,
+-- --     p.Price,
+-- --     p.Description
+-- -- FROM
+-- --     Recommendation r
+-- --     JOIN Product p ON r.RecommendedProductID = p.ProductID
+-- -- WHERE
+-- --     r.UserID = 1;
+-- -- -- Authentication Operations
+-- -- -- Create verification code
+-- -- INSERT INTO
+-- --     AuthVerification (Email, VerificationCode)
+-- -- VALUES
+-- --     ('new_user@example.com', '123456');
+-- -- -- Update authentication status
+-- -- UPDATE AuthVerification
+-- -- SET
+-- --     Authenticated = TRUE
+-- -- WHERE
+-- --     Email = 'new_user@example.com'
+-- --     AND VerificationCode = '123456';
+-- -- -- Get top-selling products
+-- -- SELECT
+-- --     p.ProductID,
+-- --     p.Name,
+-- --     COUNT(t.TransactionID) as SalesCount,
+-- --     SUM(p.Price) as TotalRevenue
+-- -- FROM
+-- --     Product p
+-- --     JOIN Transaction t ON p.ProductID = t.ProductID
+-- -- WHERE
+-- --     t.PaymentStatus = 'Completed'
+-- -- GROUP BY
+-- --     p.ProductID,
+-- --     p.Name
+-- -- ORDER BY
+-- --     SalesCount DESC
+-- -- LIMIT
+-- --     10;
+-- -- -- Get highest-rated products
+-- -- SELECT
+-- --     p.ProductID,
+-- --     p.Name,
+-- --     AVG(r.Rating) as AverageRating,
+-- --     COUNT(r.ReviewID) as ReviewCount
+-- -- FROM
+-- --     Product p
+-- --     JOIN Review r ON p.ProductID = r.ProductID
+-- -- GROUP BY
+-- --     p.ProductID,
+-- --     p.Name
+-- -- HAVING
+-- --     ReviewCount >= 5
+-- -- ORDER BY
+-- --     AverageRating DESC
+-- -- LIMIT
+-- --     10;
+-- -- -- Get user purchase history with product details
+-- -- SELECT
+-- --     t.TransactionID,
+-- --     t.Date,
+-- --     p.Name,
+-- --     p.Price,
+-- --     t.PaymentStatus
+-- -- FROM
+-- --     Transaction t
+-- --     JOIN Product p ON t.ProductID = p.ProductID
+-- -- WHERE
+-- --     t.UserID = 1
+-- -- ORDER BY
+-- --     t.Date DESC;
diff --git a/SQL_code/init-db.py b/SQL_code/init-db.py
new file mode 100644
index 0000000..910368a
--- /dev/null
+++ b/SQL_code/init-db.py
@@ -0,0 +1,3 @@
+import subprocess
+if (subprocess.run("mysql -u root mysql < SQL_code/Schema.sql", shell=True, check=True)):
+    print("successfully created the Marketplace databse")