352e22a64b
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52 lines
2.4 KiB
SQL
52 lines
2.4 KiB
SQL
-- v0.2.00: scholen, klassen, rollen en sessies.
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-- Rollen: super (overkoepelend beheerder), admin (schoolbeheerder),
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-- teacher (groepsleiding), pupil (leerling).
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CREATE TABLE IF NOT EXISTS schools (
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id BIGINT GENERATED ALWAYS AS IDENTITY 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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);
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CREATE TABLE IF NOT EXISTS classes (
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id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY,
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school_id BIGINT NOT NULL REFERENCES schools(id) ON DELETE CASCADE,
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name TEXT NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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ALTER TABLE users
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ADD COLUMN IF NOT EXISTS school_id BIGINT REFERENCES schools(id) ON DELETE CASCADE,
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ADD COLUMN IF NOT EXISTS display_name TEXT,
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ADD COLUMN IF NOT EXISTS password_hash TEXT,
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-- alleen voor leerlingen: wachtwoord dat groepsleiding/beheer mag inzien
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ADD COLUMN IF NOT EXISTS password_plain TEXT,
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-- eenmalige koppelcode waarmee nieuwe gebruikers hun account activeren
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ADD COLUMN IF NOT EXISTS link_code TEXT UNIQUE,
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ADD COLUMN IF NOT EXISTS class_id BIGINT REFERENCES classes(id) ON DELETE SET NULL,
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-- alle app-gegevens van de gebruiker (borden, thema's, eigen woorden)
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ADD COLUMN IF NOT EXISTS data JSONB NOT NULL DEFAULT '{}'::jsonb;
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-- gebruikersnaam uniek binnen een school; supers (school_id IS NULL) landelijk uniek
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ALTER TABLE users DROP CONSTRAINT IF EXISTS users_username_key;
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CREATE UNIQUE INDEX IF NOT EXISTS idx_users_school_username
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ON users (school_id, lower(username)) WHERE school_id IS NOT NULL;
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CREATE UNIQUE INDEX IF NOT EXISTS idx_users_super_username
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ON users (lower(username)) WHERE school_id IS NULL;
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-- welke groepsleiding hoort bij welke klas
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CREATE TABLE IF NOT EXISTS class_teachers (
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class_id BIGINT NOT NULL REFERENCES classes(id) ON DELETE CASCADE,
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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PRIMARY KEY (class_id, user_id)
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);
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CREATE TABLE IF NOT EXISTS sessions (
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token TEXT PRIMARY KEY,
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user_id BIGINT NOT NULL REFERENCES users(id) ON DELETE CASCADE,
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expires_at TIMESTAMPTZ NOT NULL,
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created_at TIMESTAMPTZ NOT NULL DEFAULT now()
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);
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CREATE INDEX IF NOT EXISTS idx_sessions_user ON sessions(user_id);
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CREATE INDEX IF NOT EXISTS idx_users_school ON users(school_id);
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CREATE INDEX IF NOT EXISTS idx_users_class ON users(class_id);
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