working on some code

backend/internal/common/database/migrations/008_add_user_groups.sql

@@ -0,0 +1,45 @@
+-- Add user groups feature
+-- Groups table
+CREATE TABLE IF NOT EXISTS groups (
+    id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    name VARCHAR(255) NOT NULL UNIQUE,
+    description TEXT,
+    is_system BOOLEAN NOT NULL DEFAULT false,
+    created_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    updated_at TIMESTAMP NOT NULL DEFAULT NOW()
+);
+
+-- User groups junction table
+CREATE TABLE IF NOT EXISTS user_groups (
+    user_id UUID NOT NULL REFERENCES users(id) ON DELETE CASCADE,
+    group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
+    assigned_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    assigned_by UUID REFERENCES users(id),
+    PRIMARY KEY (user_id, group_id)
+);
+
+-- Group roles junction table (groups can have roles)
+CREATE TABLE IF NOT EXISTS group_roles (
+    group_id UUID NOT NULL REFERENCES groups(id) ON DELETE CASCADE,
+    role_id UUID NOT NULL REFERENCES roles(id) ON DELETE CASCADE,
+    granted_at TIMESTAMP NOT NULL DEFAULT NOW(),
+    PRIMARY KEY (group_id, role_id)
+);
+
+-- Indexes
+CREATE INDEX IF NOT EXISTS idx_groups_name ON groups(name);
+CREATE INDEX IF NOT EXISTS idx_user_groups_user_id ON user_groups(user_id);
+CREATE INDEX IF NOT EXISTS idx_user_groups_group_id ON user_groups(group_id);
+CREATE INDEX IF NOT EXISTS idx_group_roles_group_id ON group_roles(group_id);
+CREATE INDEX IF NOT EXISTS idx_group_roles_role_id ON group_roles(role_id);
+
+-- Insert default system groups
+INSERT INTO groups (name, description, is_system) VALUES
+    ('wheel', 'System administrators group', true),
+    ('operators', 'System operators group', true),
+    ('backup', 'Backup operators group', true),
+    ('auditors', 'Auditors group', true),
+    ('storage_admins', 'Storage administrators group', true),
+    ('services', 'Service accounts group', true)
+ON CONFLICT (name) DO NOTHING;
+