update

backend/src/database/migrations/029_vehicle_ausser_dienst_zeitraum.sql

@@ -0,0 +1,127 @@
+-- =============================================================================
+-- Migration 029: Vehicle Out-of-Service Timeframe + Lehrgang Booking Type
+--
+-- 1. Add ausser_dienst_von / ausser_dienst_bis columns to fahrzeuge
+-- 2. Add 'lehrgang' value to fahrzeug_buchung_art enum
+-- 3. Remove 'in_lehrgang' from vehicle status CHECK constraint
+-- 4. Refresh fahrzeuge_mit_pruefstatus view to include new columns
+-- =============================================================================
+
+-- -----------------------------------------------------------------------------
+-- 1. Add out-of-service timeframe columns
+-- -----------------------------------------------------------------------------
+ALTER TABLE fahrzeuge
+    ADD COLUMN IF NOT EXISTS ausser_dienst_von TIMESTAMPTZ,
+    ADD COLUMN IF NOT EXISTS ausser_dienst_bis TIMESTAMPTZ;
+
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM information_schema.table_constraints
+        WHERE table_name = 'fahrzeuge'
+          AND constraint_name = 'chk_ausser_dienst_zeitraum'
+    ) THEN
+        ALTER TABLE fahrzeuge
+            ADD CONSTRAINT chk_ausser_dienst_zeitraum
+            CHECK (
+                ausser_dienst_von IS NULL
+                OR ausser_dienst_bis IS NULL
+                OR ausser_dienst_bis > ausser_dienst_von
+            );
+    END IF;
+END
+$$;
+
+CREATE INDEX IF NOT EXISTS idx_fahrzeuge_ausser_dienst_zeitraum
+    ON fahrzeuge(id, ausser_dienst_von, ausser_dienst_bis)
+    WHERE ausser_dienst_von IS NOT NULL;
+
+-- -----------------------------------------------------------------------------
+-- 2. Add 'lehrgang' to fahrzeug_buchung_art enum
+-- -----------------------------------------------------------------------------
+DO $$
+BEGIN
+    ALTER TYPE fahrzeug_buchung_art ADD VALUE IF NOT EXISTS 'lehrgang';
+EXCEPTION
+    WHEN others THEN
+        IF SQLERRM NOT LIKE '%already exists%' THEN
+            RAISE;
+        END IF;
+END
+$$;
+
+-- -----------------------------------------------------------------------------
+-- 3. Remove 'in_lehrgang' from vehicle status CHECK
+-- -----------------------------------------------------------------------------
+
+-- Migrate existing in_lehrgang rows first
+UPDATE fahrzeuge SET status = 'einsatzbereit' WHERE status = 'in_lehrgang';
+
+-- Drop old check constraint (created in migration 005 as fahrzeuge_status_check)
+ALTER TABLE fahrzeuge DROP CONSTRAINT IF EXISTS fahrzeuge_status_check;
+
+-- Re-add with only 3 valid values
+DO $$
+BEGIN
+    IF NOT EXISTS (
+        SELECT 1 FROM information_schema.table_constraints
+        WHERE table_name = 'fahrzeuge'
+          AND constraint_name = 'chk_fahrzeuge_status'
+    ) THEN
+        ALTER TABLE fahrzeuge
+            ADD CONSTRAINT chk_fahrzeuge_status
+            CHECK (status IN (
+                'einsatzbereit',
+                'ausser_dienst_wartung',
+                'ausser_dienst_schaden'
+            ));
+    END IF;
+END
+$$;
+
+-- -----------------------------------------------------------------------------
+-- 4. Refresh fahrzeuge_mit_pruefstatus view to include new columns
+-- -----------------------------------------------------------------------------
+DROP VIEW IF EXISTS fahrzeuge_mit_pruefstatus;
+
+CREATE OR REPLACE VIEW fahrzeuge_mit_pruefstatus AS
+SELECT
+    f.id,
+    f.bezeichnung,
+    f.kurzname,
+    f.amtliches_kennzeichen,
+    f.fahrgestellnummer,
+    f.baujahr,
+    f.hersteller,
+    f.typ_schluessel,
+    f.besatzung_soll,
+    f.status,
+    f.status_bemerkung,
+    f.ausser_dienst_von,
+    f.ausser_dienst_bis,
+    f.standort,
+    f.bild_url,
+    f.created_at,
+    f.updated_at,
+    f.paragraph57a_faellig_am,
+    CASE
+        WHEN f.paragraph57a_faellig_am IS NOT NULL
+        THEN f.paragraph57a_faellig_am::date - CURRENT_DATE
+        ELSE NULL
+    END AS paragraph57a_tage_bis_faelligkeit,
+    f.naechste_wartung_am,
+    CASE
+        WHEN f.naechste_wartung_am IS NOT NULL
+        THEN f.naechste_wartung_am::date - CURRENT_DATE
+        ELSE NULL
+    END AS wartung_tage_bis_faelligkeit,
+    LEAST(
+        CASE WHEN f.paragraph57a_faellig_am IS NOT NULL
+             THEN f.paragraph57a_faellig_am::date - CURRENT_DATE
+             ELSE NULL END,
+        CASE WHEN f.naechste_wartung_am IS NOT NULL
+             THEN f.naechste_wartung_am::date - CURRENT_DATE
+             ELSE NULL END
+    ) AS naechste_pruefung_tage
+FROM fahrzeuge f
+WHERE f.deleted_at IS NULL;