86 lines
3.6 KiB
SQL
86 lines
3.6 KiB
SQL
-- ITSM-Plattform: PostgreSQL-Schema
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-- Mandantenfaehig (mehrere Organisationen auf einer Instanz, Daten per tenant_id getrennt).
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-- Enthaelt audit_log fuer Nachvollziehbarkeit gemaess ISO 27001 A.12.4 / DSGVO Art. 30.
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CREATE TABLE IF NOT EXISTS tenants (
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id SERIAL PRIMARY KEY,
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name TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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dsb_name TEXT, -- Datenschutzbeauftragter/Kontakt
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dsb_email TEXT,
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retention_tickets_days INTEGER NOT NULL DEFAULT 1095, -- DSGVO Speicherbegrenzung (Default ~3 Jahre)
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retention_audit_days INTEGER NOT NULL DEFAULT 1825, -- Audit-Log-Aufbewahrung (Default ~5 Jahre)
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sla_antwort_minuten INTEGER NOT NULL DEFAULT 480,
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sla_loesung_minuten INTEGER NOT NULL DEFAULT 2880
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);
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CREATE TABLE IF NOT EXISTS users (
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id SERIAL PRIMARY KEY,
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tenant_id INTEGER NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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email TEXT NOT NULL UNIQUE,
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password_hash TEXT NOT NULL,
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role TEXT NOT NULL DEFAULT 'agent', -- 'admin' | 'agent'
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active BOOLEAN NOT NULL DEFAULT TRUE,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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last_login_at TIMESTAMPTZ
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);
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CREATE TABLE IF NOT EXISTS services (
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id SERIAL PRIMARY KEY,
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tenant_id INTEGER NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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name TEXT NOT NULL,
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beschreibung TEXT,
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kategorie TEXT,
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gebucht BOOLEAN NOT NULL DEFAULT TRUE,
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endpoint TEXT,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE TABLE IF NOT EXISTS tickets (
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id SERIAL PRIMARY KEY,
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tenant_id INTEGER NOT NULL REFERENCES tenants(id) ON DELETE CASCADE,
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ticket_nr TEXT NOT NULL,
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titel TEXT NOT NULL,
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beschreibung TEXT,
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service_id INTEGER REFERENCES services(id) ON DELETE SET NULL,
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status TEXT NOT NULL DEFAULT 'Offen',
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prioritaet TEXT NOT NULL DEFAULT 'Mittel',
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kategorie TEXT NOT NULL DEFAULT 'Task',
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zugewiesen_an TEXT,
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ersteller_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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fortschritt INTEGER NOT NULL DEFAULT 0,
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sla_antwort_minuten INTEGER,
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sla_loesung_minuten INTEGER,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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updated_at TIMESTAMPTZ NOT NULL DEFAULT now(),
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UNIQUE (tenant_id, ticket_nr)
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);
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CREATE TABLE IF NOT EXISTS ticket_timeline (
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id SERIAL PRIMARY KEY,
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ticket_id INTEGER NOT NULL REFERENCES tickets(id) ON DELETE CASCADE,
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tenant_id INTEGER NOT NULL,
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zeit TIMESTAMPTZ NOT NULL DEFAULT now(),
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akteur TEXT,
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text TEXT
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);
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CREATE TABLE IF NOT EXISTS audit_log (
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id SERIAL PRIMARY KEY,
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tenant_id INTEGER REFERENCES tenants(id) ON DELETE CASCADE,
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user_id INTEGER REFERENCES users(id) ON DELETE SET NULL,
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zeit TIMESTAMPTZ NOT NULL DEFAULT now(),
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aktion TEXT NOT NULL,
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entity_typ TEXT,
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entity_id TEXT,
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details JSONB,
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ip TEXT
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);
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CREATE INDEX IF NOT EXISTS idx_tickets_tenant_status ON tickets (tenant_id, status);
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CREATE INDEX IF NOT EXISTS idx_tickets_tenant_kategorie ON tickets (tenant_id, kategorie);
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CREATE INDEX IF NOT EXISTS idx_timeline_ticket ON ticket_timeline (ticket_id);
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CREATE INDEX IF NOT EXISTS idx_audit_tenant_zeit ON audit_log (tenant_id, zeit DESC);
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CREATE INDEX IF NOT EXISTS idx_services_tenant ON services (tenant_id);
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CREATE INDEX IF NOT EXISTS idx_users_tenant ON users (tenant_id);
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