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LogiFlow/migrations/20250816_create_announcements_table.sql
michaelschal 30cfc4b3de Introduce an information system for important announcements
Implement a new announcement system with priority levels, role-based access, and store-specific filtering, replacing the customer order statistics card on the dashboard.

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2025-08-16 09:54:34 +00:00

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SQL

-- Migration: Create announcements table
-- Date: 2025-08-16
-- Description: Create announcements table for admin-managed information system
CREATE TABLE IF NOT EXISTS announcements (
id SERIAL PRIMARY KEY,
title VARCHAR(255) NOT NULL,
content TEXT NOT NULL,
priority VARCHAR(20) NOT NULL DEFAULT 'normal' CHECK (priority IN ('normal', 'important', 'urgent')),
author_id VARCHAR(255) NOT NULL,
group_id INTEGER NULL,
created_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
updated_at TIMESTAMP WITH TIME ZONE DEFAULT NOW(),
FOREIGN KEY (author_id) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (group_id) REFERENCES groups(id) ON DELETE CASCADE
);
-- Create indexes for better performance
CREATE INDEX IF NOT EXISTS idx_announcements_priority ON announcements(priority);
CREATE INDEX IF NOT EXISTS idx_announcements_created_at ON announcements(created_at DESC);
CREATE INDEX IF NOT EXISTS idx_announcements_author_id ON announcements(author_id);
CREATE INDEX IF NOT EXISTS idx_announcements_group_id ON announcements(group_id);
-- Comment on table
COMMENT ON TABLE announcements IS 'Admin-managed announcements/information system';
COMMENT ON COLUMN announcements.priority IS 'Priority level: normal, important, urgent';
COMMENT ON COLUMN announcements.group_id IS 'NULL for global announcements, specific group_id for store-specific announcements';