70 lines
2.7 KiB
SQL
70 lines
2.7 KiB
SQL
-- Ticket Contacts - Many-to-many relation med roller
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-- Tillader flere kontakter per ticket med forskellige roller (primary, cc, observer, etc.)
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-- Junction tabel mellem tickets og contacts
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CREATE TABLE IF NOT EXISTS tticket_contacts (
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id SERIAL PRIMARY KEY,
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ticket_id INTEGER NOT NULL REFERENCES tticket_tickets(id) ON DELETE CASCADE,
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contact_id INTEGER NOT NULL REFERENCES contacts(id) ON DELETE CASCADE,
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role VARCHAR(50) NOT NULL DEFAULT 'observer', -- primary, cc, observer, assignee
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added_by_user_id INTEGER REFERENCES users(user_id),
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added_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
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notes TEXT, -- Valgfri noter om kontaktens rolle
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-- Forhindre dubletter
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UNIQUE(ticket_id, contact_id)
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);
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-- Indices for performance
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CREATE INDEX IF NOT EXISTS idx_tticket_contacts_ticket ON tticket_contacts(ticket_id);
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CREATE INDEX IF NOT EXISTS idx_tticket_contacts_contact ON tticket_contacts(contact_id);
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CREATE INDEX IF NOT EXISTS idx_tticket_contacts_role ON tticket_contacts(role);
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-- Check constraint for valide roller
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ALTER TABLE tticket_contacts
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ADD CONSTRAINT tticket_contacts_role_check
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CHECK (role IN ('primary', 'cc', 'observer', 'assignee', 'requester'));
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-- Migrer eksisterende contact_id til ny tabel (hvis der er data)
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INSERT INTO tticket_contacts (ticket_id, contact_id, role)
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SELECT id, contact_id, 'primary'
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FROM tticket_tickets
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WHERE contact_id IS NOT NULL
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ON CONFLICT (ticket_id, contact_id) DO NOTHING;
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-- Kommentar på tabellen
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COMMENT ON TABLE tticket_contacts IS 'Many-to-many relation mellem tickets og contacts med roller';
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COMMENT ON COLUMN tticket_contacts.role IS 'Kontaktens rolle: primary (hovedkontakt), cc (carbon copy), observer (følger med), assignee (assigned kontakt), requester (oprindelig anmoder)';
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-- Views til at få kontakter grouped by role
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CREATE OR REPLACE VIEW vw_tticket_contacts_summary AS
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SELECT
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t.id as ticket_id,
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t.ticket_number,
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json_agg(
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json_build_object(
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'contact_id', c.id,
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'first_name', c.first_name,
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'last_name', c.last_name,
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'email', c.email,
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'phone', c.phone,
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'role', tc.role,
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'added_at', tc.added_at
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) ORDER BY
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CASE tc.role
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WHEN 'primary' THEN 1
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WHEN 'requester' THEN 2
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WHEN 'assignee' THEN 3
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WHEN 'cc' THEN 4
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WHEN 'observer' THEN 5
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ELSE 6
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END,
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tc.added_at
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) as contacts
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FROM tticket_tickets t
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LEFT JOIN tticket_contacts tc ON t.id = tc.ticket_id
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LEFT JOIN contacts c ON tc.contact_id = c.id
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GROUP BY t.id, t.ticket_number;
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COMMENT ON VIEW vw_tticket_contacts_summary IS 'Oversigt over alle kontakter per ticket med roller, sorteret efter rolle prioritet';
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