Added basic exercise addition and deletion

migrations/20250708192552_add_tables.sql

@@ -0,0 +1,65 @@
+-- Add migration script here
+
+CREATE TABLE exercises (
+    exercise_id uuid PRIMARY KEY,
+    name varchar NOT NULL,
+    description varchar NOT NULL,
+    created_at TIMESTAMP DEFAULT now(),
+    updated_at TIMESTAMP DEFAULT now()
+);
+
+CREATE TABLE muscle_groups (
+    muscle_group_id varchar(16) PRIMARY KEY,
+    name varchar NOT NULL
+);
+
+CREATE TABLE categories (
+    category_id varchar(16) PRIMARY KEY,
+    name varchar NOT NULL
+);
+
+CREATE TABLE workouts (
+    workout_id uuid PRIMARY KEY,
+    name varchar NOT NULL,
+    description varchar NOT NULL,
+    created_at TIMESTAMP DEFAULT now(),
+    updated_at TIMESTAMP DEFAULT now()
+);
+
+CREATE TABLE workout_exercises (
+    workout_id uuid NOT NULL,
+    exercise_id uuid NOT NULL,
+    PRIMARY KEY (workout_id, exercise_id),
+    FOREIGN KEY (workout_id) REFERENCES workouts(workout_id) ON DELETE CASCADE,
+    FOREIGN KEY (exercise_id) REFERENCES exercises(exercise_id) ON DELETE CASCADE
+);
+
+CREATE TABLE exercise_muscle_groups (
+    exercise_id uuid NOT NULL,
+    muscle_group_id varchar(16) NOT NULL,
+    PRIMARY KEY (exercise_id, muscle_group_id),
+    FOREIGN KEY (exercise_id) REFERENCES exercises(exercise_id) ON DELETE CASCADE,
+    FOREIGN KEY (muscle_group_id) REFERENCES muscle_groups(muscle_group_id) ON DELETE CASCADE
+);
+
+CREATE TABLE exercise_categories (
+    exercise_id uuid NOT NULL,
+    category_id varchar(16) NOT NULL,
+    PRIMARY KEY (exercise_id, category_id),
+    FOREIGN KEY (exercise_id) REFERENCES exercises(exercise_id) ON DELETE CASCADE,
+    FOREIGN KEY (category_id) REFERENCES categories(category_id) ON DELETE CASCADE
+);
+
+
+-- Initialize muscle data
+INSERT INTO muscle_groups (muscle_group_id, name) VALUES
+('chest', 'Chest'),
+('back', 'Back'),
+('arms', 'Arms'),
+('legs', 'Legs'),
+('shoulders', 'Shoulders');
+
+-- Initialize caregory data
+INSERT INTO categories (category_id, name) VALUES
+('strength', 'Strength'),
+('cardio', 'Cardio');