Draft

.gitignore

@@ -1 +1 @@
-lab.db
+db.sqlite

makefile

@@ -1,14 +1,20 @@
-DB_NAME := lab.db
+DB_FILE := db.sqlite
-SQL_FILES := 001.sql 002.sql
+SCRIPTS_DIR := scripts
+SQL_SCRIPTS := $(wildcard $(SCRIPTS_DIR)/*.sql)
 
 .PHONY: all clean
 
-all: $(SQL_FILES:.sql=.db)
+all: $(DB_FILE)
 
-%.db: %.sql
+$(DB_FILE): $(SQL_SCRIPTS)
-	sqlite3 $(DB_NAME) < $<
+	@echo "Creating database: $@"
-	@echo ==============================
+	@for script in $^; do \
+		echo "Running script: $$script"; \
+		sqlite3 $@ < $$script; \
+	done
+	@echo "Database creation completed."
 
 clean:
-	rm -f $(DB_NAME)
+	@echo "Cleaning up"
-
+	@rm -f $(DB_FILE)
+	@echo "Cleanup completed."

scripts/001.sql

@@ -0,0 +1,67 @@
+PRAGMA foreign_keys = OFF;
+
+-- Drop the tables if they exist
+DROP TABLE IF EXISTS Reservations;
+DROP TABLE IF EXISTS Shows;
+DROP TABLE IF EXISTS Movies;
+DROP TABLE IF EXISTS Theaters;
+DROP TABLE IF EXISTS Users;
+
+PRAGMA foreign_keys = ON;
+
+-- Create the Users table
+CREATE TABLE
+    IF NOT EXISTS Users (
+        username VARCHAR(50) PRIMARY KEY,
+        name VARCHAR(100) NOT NULL,
+        address VARCHAR(200),
+        telephone VARCHAR(20) NOT NULL
+    );
+
+-- Create the Theaters table
+CREATE TABLE
+    IF NOT EXISTS Theaters (
+        theater_id INTEGER PRIMARY KEY,
+        name VARCHAR(100) NOT NULL,
+        seats INTEGER NOT NULL
+    );
+
+-- Create the Movies table
+CREATE TABLE
+    IF NOT EXISTS Movies (
+        movie_id INTEGER PRIMARY KEY,
+        name VARCHAR(100) NOT NULL
+    );
+
+-- Create the Shows table
+CREATE TABLE
+    IF NOT EXISTS Shows (
+        show_id INTEGER PRIMARY KEY,
+        movie_id INTEGER NOT NULL,
+        theater_id INTEGER NOT NULL,
+        show_date DATE NOT NULL,
+        FOREIGN KEY (movie_id) REFERENCES Movies (movie_id),
+        FOREIGN KEY (theater_id) REFERENCES Theaters (theater_id)
+    );
+
+-- Create the Reservations table
+CREATE TABLE
+    IF NOT EXISTS Reservations (
+        reservation_id INTEGER PRIMARY KEY,
+        username VARCHAR(50) NOT NULL,
+        show_id INTEGER NOT NULL,
+        reservation_date TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
+        FOREIGN KEY (username) REFERENCES Users (username),
+        FOREIGN KEY (show_id) REFERENCES Shows (show_id)
+    );
+
+-- Index for Users table
+CREATE INDEX IF NOT EXISTS idx_users_username ON Users (username);
+
+-- Index for Shows table
+CREATE INDEX IF NOT EXISTS idx_shows_movie_id ON Shows (movie_id);
+CREATE INDEX IF NOT EXISTS idx_shows_theater_id ON Shows (theater_id);
+
+-- Index for Reservations table
+CREATE INDEX IF NOT EXISTS idx_reservations_username ON Reservations (username);
+CREATE INDEX IF NOT EXISTS idx_reservations_show_id ON Reservations (show_id);

scripts/002.sql

@@ -0,0 +1,44 @@
+-- Insert sample data into the Users table
+INSERT
+OR IGNORE INTO Users (username, name, address, telephone)
+VALUES
+    ('john_doe', 'John Doe', '123 Main St', '555-1234'),
+    (
+        'jane_smith',
+        'Jane Smith',
+        '456 Elm St',
+        '555-5678'
+    );
+
+-- Insert sample data into the Theaters table
+INSERT
+OR IGNORE INTO Theaters (theater_id, name, seats)
+VALUES
+    (1, 'Theater A', 100),
+    (2, 'Theater B', 150);
+
+-- Insert sample data into the Movies table
+INSERT
+OR IGNORE INTO Movies (movie_id, name)
+VALUES
+    (1, 'Movie X'),
+    (2, 'Movie Y');
+
+-- Insert sample data into the Shows table
+INSERT
+OR IGNORE INTO Shows (show_id, movie_id, theater_id, show_date)
+VALUES
+    (1, 1, 1, '2022-01-01'),
+    (2, 2, 2, '2022-01-02');
+
+-- Insert sample data into the Reservations table
+INSERT
+OR IGNORE INTO Reservations (
+    reservation_id,
+    username,
+    show_id,
+    reservation_date
+)
+VALUES
+    (1, 'john_doe', 1, CURRENT_TIMESTAMP),
+    (2, 'jane_smith', 2, CURRENT_TIMESTAMP);

scripts/003.sql

@@ -0,0 +1,14 @@
+-- Select everything from the Users table
+SELECT * FROM Users;
+
+-- Select everything from the Theaters table
+SELECT * FROM Theaters;
+
+-- Select everything from the Movies table
+SELECT * FROM Movies;
+
+-- Select everything from the Shows table
+SELECT * FROM Shows;
+
+-- Select everything from the Reservations table
+SELECT * FROM Reservations;