Initial commit

migrations/0001_initial.down.sql

@@ -0,0 +1,9 @@
+DROP TABLE permissions;
+
+DROP TABLE files;
+
+DROP TABLE folders;
+
+DROP TABLE users;
+
+DROP TYPE permission;

migrations/0001_initial.up.sql

@@ -0,0 +1,36 @@
+CREATE TABLE
+    users (
+        user_id SERIAL PRIMARY KEY,
+        username VARCHAR(50) NOT NULL UNIQUE,
+        email VARCHAR(100) NOT NULL UNIQUE
+    );
+
+CREATE TABLE
+    folders (
+        folder_id UUID PRIMARY KEY DEFAULT gen_random_uuid (),
+        parent_folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE DEFAULT null,
+        owner_id INT REFERENCES users (user_id) ON DELETE CASCADE NOT NULL,
+        folder_name VARCHAR(255) NOT NULL,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
+    );
+
+CREATE TABLE
+    files (
+        file_id UUID PRIMARY KEY DEFAULT gen_random_uuid (),
+        folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE NOT NULL,
+        file_name VARCHAR(255) NOT NULL,
+        file_size BIGINT NOT NULL,
+        sha512 BYTEA NOT NULL,
+        created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL,
+        updated_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP NOT NULL
+    );
+
+CREATE TYPE permission AS ENUM ('read', 'write', 'manage');
+
+CREATE TABLE
+    permissions (
+        permission_id SERIAL PRIMARY KEY,
+        user_id INT REFERENCES users (user_id) ON DELETE CASCADE NOT NULL,
+        folder_id UUID REFERENCES folders (folder_id) ON DELETE CASCADE,
+        permission_type permission NOT NULL
+    );