mitai-jinkendo/backend/migrations/010_rest_days_jsonb.sql

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-- Migration 010: Rest Days Refactoring zu JSONB
-- v9d Phase 2a: Flexible, context-specific rest days
-- Date: 2026-03-22
-- Refactor rest_days to JSONB config for flexible rest day types
-- OLD: type VARCHAR(20) CHECK (type IN ('full_rest', 'active_recovery'))
-- NEW: rest_config JSONB with {focus, rest_from[], allows[], intensity_max}
-- Drop old type column
ALTER TABLE rest_days
DROP COLUMN IF EXISTS type;
-- Add new JSONB config column
ALTER TABLE rest_days
ADD COLUMN IF NOT EXISTS rest_config JSONB NOT NULL DEFAULT '{"focus": "mental_rest", "rest_from": [], "allows": []}'::jsonb;
-- Validation function for rest_config
CREATE OR REPLACE FUNCTION validate_rest_config(config JSONB) RETURNS BOOLEAN AS $$
BEGIN
-- Must have focus field
IF NOT (config ? 'focus') THEN
RETURN FALSE;
END IF;
-- focus must be one of the allowed values
IF NOT (config->>'focus' IN ('muscle_recovery', 'cardio_recovery', 'mental_rest', 'deload', 'injury')) THEN
RETURN FALSE;
END IF;
-- rest_from must be array if present
IF (config ? 'rest_from') AND jsonb_typeof(config->'rest_from') != 'array' THEN
RETURN FALSE;
END IF;
-- allows must be array if present
IF (config ? 'allows') AND jsonb_typeof(config->'allows') != 'array' THEN
RETURN FALSE;
END IF;
-- intensity_max must be number between 1-100 if present
IF (config ? 'intensity_max') AND (
jsonb_typeof(config->'intensity_max') != 'number' OR
(config->>'intensity_max')::int < 1 OR
(config->>'intensity_max')::int > 100
) THEN
RETURN FALSE;
END IF;
RETURN TRUE;
END;
$$ LANGUAGE plpgsql;
-- Add check constraint
ALTER TABLE rest_days
ADD CONSTRAINT valid_rest_config CHECK (validate_rest_config(rest_config));
-- Add comment for documentation
COMMENT ON COLUMN rest_days.rest_config IS 'JSONB: {focus: string, rest_from: string[], allows: string[], intensity_max?: number (1-100), note?: string}';
COMMENT ON TABLE rest_days IS 'v9d Phase 2a: Context-specific rest days (strength rest but cardio allowed, etc.)';
-- Create GIN index on rest_config for faster JSONB queries
CREATE INDEX IF NOT EXISTS idx_rest_days_config ON rest_days USING GIN (rest_config);