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triqura-ecd/supabase/migrations/20241121_migrate_legacy_to_fhir.sql
2025-11-23 10:13:00 +01:00

236 lines
8.1 KiB
SQL

-- ============================================================================
-- DATA MIGRATION: Legacy tables → FHIR tables
-- ============================================================================
-- Created: 2024-11-21
-- Purpose: Migrate existing data from clients/treatment_plans to patients/care_plans
--
-- IMPORTANT: This migration preserves UUIDs for referential integrity
-- Run this AFTER applying the pragmatic FHIR schema
-- ============================================================================
-- ============================================================================
-- STEP 1: Migrate clients → patients
-- ============================================================================
-- Check for existing data
DO $$
DECLARE
client_count INTEGER;
patient_count INTEGER;
BEGIN
SELECT COUNT(*) INTO client_count FROM clients;
SELECT COUNT(*) INTO patient_count FROM patients;
RAISE NOTICE 'Found % clients, % patients (before migration)', client_count, patient_count;
END $$;
-- Migrate clients to patients
INSERT INTO patients (
id, -- Preserve UUID for referential integrity
name_family, -- clients.last_name
name_given, -- clients.first_name (as array)
birth_date, -- clients.birth_date
gender, -- Default 'unknown' (required field)
identifier_bsn, -- Placeholder
identifier_client_number, -- Use original client ID as client number
active, -- Default true
created_at, -- Preserve timestamp
updated_at -- Preserve timestamp
)
SELECT
c.id,
c.last_name,
ARRAY[c.first_name], -- Convert string to array
c.birth_date,
'unknown'::gender_type, -- Required field, default to unknown
'999999990', -- Placeholder BSN (demo)
c.id::text, -- Use UUID as client number for traceability
true,
c.created_at,
c.updated_at
FROM clients c
WHERE NOT EXISTS (
-- Don't re-migrate if already exists
SELECT 1 FROM patients p WHERE p.id = c.id
);
-- Report migration results
DO $$
DECLARE
migrated_count INTEGER;
BEGIN
SELECT COUNT(*) INTO migrated_count
FROM patients p
INNER JOIN clients c ON p.id = c.id;
RAISE NOTICE 'Successfully migrated % clients to patients', migrated_count;
END $$;
-- ============================================================================
-- STEP 2: Migrate treatment_plans → care_plans
-- ============================================================================
-- Check for existing data
DO $$
DECLARE
plan_count INTEGER;
careplan_count INTEGER;
BEGIN
SELECT COUNT(*) INTO plan_count FROM treatment_plans;
SELECT COUNT(*) INTO careplan_count FROM care_plans;
RAISE NOTICE 'Found % treatment_plans, % care_plans (before migration)', plan_count, careplan_count;
END $$;
-- Migrate treatment_plans to care_plans
INSERT INTO care_plans (
id, -- Preserve UUID
identifier, -- Generate from UUID
status, -- Map from treatment_plans.status
title, -- Generate default title
description, -- Extract from plan JSONB if available
patient_id, -- treatment_plans.client_id → patient_id
goals, -- Extract from plan.doelen
activities, -- Extract from plan.interventies
period_start, -- Derive from created_at
period_end, -- Derive from created_at + 3 months (default)
created_date, -- Preserve created_at
created_at, -- Preserve created_at
updated_at -- Preserve updated_at
)
SELECT
tp.id,
tp.id::text, -- Use UUID as identifier
CASE
WHEN tp.status = 'concept' THEN 'draft'::careplan_status
WHEN tp.status = 'gepubliceerd' THEN 'active'::careplan_status
ELSE 'draft'::careplan_status
END,
'Behandelplan v' || tp.version::text, -- Default title
NULL, -- No description in legacy schema
tp.client_id, -- Maps to patient_id (already migrated)
-- Transform goals from legacy structure to FHIR Goal structure
COALESCE(
(
SELECT jsonb_agg(
jsonb_build_object(
'description', jsonb_build_object('text', goal),
'lifecycleStatus', 'active'
)
)
FROM jsonb_array_elements_text(tp.plan->'doelen') goal
),
'[]'::jsonb
),
-- Transform activities from legacy structure to FHIR CarePlan.activity structure
COALESCE(
(
SELECT jsonb_agg(
jsonb_build_object(
'detail', jsonb_build_object(
'code', jsonb_build_object('text', interventie),
'status', 'in-progress',
'scheduledString', COALESCE(tp.plan->>'frequentie', 'Niet gespecificeerd')
)
)
)
FROM jsonb_array_elements_text(tp.plan->'interventies') interventie
),
'[]'::jsonb
),
tp.created_at::date, -- Start date from creation
(tp.created_at + interval '3 months')::date, -- Default 3-month treatment
tp.created_at,
tp.created_at,
tp.updated_at
FROM treatment_plans tp
WHERE NOT EXISTS (
-- Don't re-migrate if already exists
SELECT 1 FROM care_plans cp WHERE cp.id = tp.id
)
-- Ensure the client was migrated to patients first
AND EXISTS (
SELECT 1 FROM patients p WHERE p.id = tp.client_id
);
-- Report migration results
DO $$
DECLARE
migrated_count INTEGER;
BEGIN
SELECT COUNT(*) INTO migrated_count
FROM care_plans cp
INNER JOIN treatment_plans tp ON cp.id = tp.id;
RAISE NOTICE 'Successfully migrated % treatment_plans to care_plans', migrated_count;
END $$;
-- ============================================================================
-- STEP 3: Verification queries
-- ============================================================================
-- Verify patient migration
DO $$
DECLARE
client_count INTEGER;
patient_count INTEGER;
match_count INTEGER;
BEGIN
SELECT COUNT(*) INTO client_count FROM clients;
SELECT COUNT(*) INTO patient_count FROM patients;
SELECT COUNT(*) INTO match_count
FROM patients p
INNER JOIN clients c ON p.id = c.id;
RAISE NOTICE '=== MIGRATION VERIFICATION ===';
RAISE NOTICE 'Clients: %, Patients: %, Matched: %', client_count, patient_count, match_count;
IF match_count = client_count THEN
RAISE NOTICE '✓ All clients successfully migrated to patients';
ELSE
RAISE WARNING '✗ Migration incomplete: % clients not migrated', (client_count - match_count);
END IF;
END $$;
-- Verify care plan migration
DO $$
DECLARE
plan_count INTEGER;
careplan_count INTEGER;
match_count INTEGER;
BEGIN
SELECT COUNT(*) INTO plan_count FROM treatment_plans;
SELECT COUNT(*) INTO careplan_count FROM care_plans;
SELECT COUNT(*) INTO match_count
FROM care_plans cp
INNER JOIN treatment_plans tp ON cp.id = tp.id;
RAISE NOTICE 'Treatment Plans: %, Care Plans: %, Matched: %', plan_count, careplan_count, match_count;
IF plan_count = 0 THEN
RAISE NOTICE '- No treatment plans to migrate (table empty)';
ELSIF match_count = plan_count THEN
RAISE NOTICE '✓ All treatment plans successfully migrated to care_plans';
ELSE
RAISE WARNING '✗ Migration incomplete: % treatment plans not migrated', (plan_count - match_count);
END IF;
END $$;
-- ============================================================================
-- SUMMARY
-- ============================================================================
-- This migration script:
-- ✓ Migrates clients → patients (preserving UUIDs)
-- ✓ Migrates treatment_plans → care_plans (preserving UUIDs)
-- ✓ Transforms legacy JSONB structure to FHIR-compliant structure
-- ✓ Sets sensible defaults for required FHIR fields
-- ✓ Idempotent: safe to re-run (uses NOT EXISTS checks)
-- ✓ Preserves referential integrity
--
-- NEXT STEPS:
-- 1. Run this migration: supabase db push or apply_migration
-- 2. Verify data in patients and care_plans tables
-- 3. Update application code to use new FHIR tables
-- 4. Optionally: keep legacy tables for rollback, or drop after verification
-- ============================================================================