plura/migrations/20250615174444_is_prefix_to_generic_int.sql

-- Add migration script here
-- Rename and retype is_prefix (bool) to type (interger)
-- First, drop the trigger that references the triggers table
DROP TRIGGER IF EXISTS ensure_system_id_update_members_table;

-- Create a new table with the updated schema
CREATE TABLE triggers_new (
    id INTEGER NOT NULL PRIMARY KEY,
    -- The member that will front
    member_id INTEGER NOT NULL REFERENCES members (id),
    -- The trigger text. This will be the prefix or suffix depending on the is_prefix flag
    text TEXT NOT NULL,
    -- 0 if suffix, 1 if prefix, see rust implementation for details
    typ INTEGER NOT NULL,
    system_id INTEGER NOT NULL,
    -- Create unique constraints using the system_id and trigger type
    CONSTRAINT unique_trigger UNIQUE (system_id, text, typ)
) STRICT;

-- Migrate existing data from the old table
INSERT INTO
    triggers_new (member_id, text, typ, system_id)
SELECT
    member_id,
    text,
    -- 0 is suffix, 1 is prefix
    is_prefix,
    system_id
FROM
    triggers;

-- Recreate original state/names
DROP TRIGGER IF EXISTS ensure_system_id;

DROP TRIGGER IF EXISTS ensure_system_id_update;

DROP TABLE triggers;

ALTER TABLE triggers_new
RENAME TO triggers;

CREATE TRIGGER ensure_system_id BEFORE INSERT ON triggers FOR EACH ROW BEGIN
SELECT
    RAISE (
        ABORT,
        'system_id must be the same as the system_id on member'
    )
WHERE
    NEW.system_id != (
        SELECT
            system_id
        FROM
            members
        WHERE
            id = NEW.member_id
    );

END;

CREATE TRIGGER ensure_system_id_update BEFORE
UPDATE ON triggers FOR EACH ROW BEGIN
SELECT
    RAISE (
        ABORT,
        'system_id must be the same as the system_id on member'
    )
WHERE
    NEW.system_id != (
        SELECT
            system_id
        FROM
            members
        WHERE
            id = NEW.member_id
    );

END;

CREATE TRIGGER ensure_system_id_update_members_table BEFORE
UPDATE ON members FOR EACH ROW BEGIN
UPDATE triggers
SET
    system_id = NEW.system_id
WHERE
    member_id = NEW.id;

END;