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-- Add assignee, due date, and checklist support to kanban cards
-- Add assignee_id to kanban_cards (references profiles)
ALTER TABLE kanban_cards ADD COLUMN IF NOT EXISTS assignee_id UUID REFERENCES profiles(id) ON DELETE SET NULL;
-- Add due_date for SLA/deadline tracking
ALTER TABLE kanban_cards ADD COLUMN IF NOT EXISTS due_date TIMESTAMPTZ;
-- Add priority field
ALTER TABLE kanban_cards ADD COLUMN IF NOT EXISTS priority TEXT CHECK (priority IN ('low', 'medium', 'high', 'urgent')) DEFAULT 'medium';
-- Create checklist items table
CREATE TABLE IF NOT EXISTS kanban_checklist_items (
id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
card_id UUID NOT NULL REFERENCES kanban_cards(id) ON DELETE CASCADE,
title TEXT NOT NULL,
completed BOOLEAN DEFAULT false,
position INTEGER DEFAULT 0,
created_at TIMESTAMPTZ DEFAULT now(),
updated_at TIMESTAMPTZ DEFAULT now()
);
-- Enable RLS on checklist items
ALTER TABLE kanban_checklist_items ENABLE ROW LEVEL SECURITY;
-- Checklist items inherit access from the card's board -> org
CREATE POLICY "Checklist items inherit card access" ON kanban_checklist_items
FOR ALL USING (
EXISTS (
SELECT 1 FROM kanban_cards c
JOIN kanban_columns col ON c.column_id = col.id
JOIN kanban_boards b ON col.board_id = b.id
JOIN org_members m ON b.org_id = m.org_id
WHERE c.id = kanban_checklist_items.card_id
AND m.user_id = auth.uid()
)
);
-- Create index for faster lookups
CREATE INDEX IF NOT EXISTS idx_kanban_cards_assignee ON kanban_cards(assignee_id);
CREATE INDEX IF NOT EXISTS idx_kanban_cards_due_date ON kanban_cards(due_date);
CREATE INDEX IF NOT EXISTS idx_checklist_items_card ON kanban_checklist_items(card_id);