feat(tmp): invite link feature

database/migrations/20241220_001_add_invite_only_events.sql

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+-- Migration: Add invite-only events feature
+-- Created: 2024-12-20
+-- Description: Adds invite-only visibility option and invite tokens table
+
+-- Add 'invite-only' to the visibility enum
+ALTER TABLE events 
+DROP CONSTRAINT IF EXISTS events_visibility_check;
+
+ALTER TABLE events 
+ADD CONSTRAINT events_visibility_check 
+CHECK (visibility IN ('public', 'private', 'invite-only'));
+
+-- Create invite_tokens table
+CREATE TABLE IF NOT EXISTS invite_tokens (
+    id          UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+    event_id    VARCHAR(8) NOT NULL REFERENCES events(id) ON DELETE CASCADE,
+    token       VARCHAR(32) NOT NULL UNIQUE,
+    expires_at  TIMESTAMPTZ NOT NULL,
+    created_at  TIMESTAMPTZ DEFAULT NOW()
+);
+
+-- Create indexes for invite_tokens table
+CREATE INDEX IF NOT EXISTS idx_invite_tokens_event_id ON invite_tokens(event_id);
+CREATE INDEX IF NOT EXISTS idx_invite_tokens_token ON invite_tokens(token);
+CREATE INDEX IF NOT EXISTS idx_invite_tokens_expires_at ON invite_tokens(expires_at);

database/migrations/20241220_001_add_invite_only_events_rollback.sql

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+-- Rollback Migration: Remove invite-only events feature
+-- Created: 2024-12-20
+-- Description: Removes invite-only visibility option and invite tokens table
+
+-- Drop invite_tokens table and its indexes
+DROP INDEX IF EXISTS idx_invite_tokens_expires_at;
+DROP INDEX IF EXISTS idx_invite_tokens_token;
+DROP INDEX IF EXISTS idx_invite_tokens_event_id;
+DROP TABLE IF EXISTS invite_tokens;
+
+-- Revert visibility enum to original values
+ALTER TABLE events 
+DROP CONSTRAINT IF EXISTS events_visibility_check;
+
+ALTER TABLE events 
+ADD CONSTRAINT events_visibility_check 
+CHECK (visibility IN ('public', 'private'));