462 lines
17 KiB
TypeScript
462 lines
17 KiB
TypeScript
import pool from '../config/database';
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import logger from '../utils/logger';
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import {
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Fahrzeug,
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FahrzeugListItem,
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FahrzeugDetail,
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FahrzeugWartungslog,
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CreateFahrzeugData,
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UpdateFahrzeugData,
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CreateWartungslogData,
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FahrzeugStatus,
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VehicleStats,
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InspectionAlert,
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} from '../models/vehicle.model';
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class VehicleService {
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// =========================================================================
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// FLEET OVERVIEW
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// =========================================================================
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async getAllVehicles(): Promise<FahrzeugListItem[]> {
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try {
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const result = await pool.query(`
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SELECT
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id, bezeichnung, kurzname, amtliches_kennzeichen,
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baujahr, hersteller, besatzung_soll, status, status_bemerkung,
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bild_url, paragraph57a_faellig_am, paragraph57a_tage_bis_faelligkeit,
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naechste_wartung_am, wartung_tage_bis_faelligkeit, naechste_pruefung_tage
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FROM fahrzeuge_mit_pruefstatus
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ORDER BY bezeichnung ASC
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`);
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return result.rows.map((row) => ({
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...row,
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paragraph57a_tage_bis_faelligkeit: row.paragraph57a_tage_bis_faelligkeit != null
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? parseInt(row.paragraph57a_tage_bis_faelligkeit, 10) : null,
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wartung_tage_bis_faelligkeit: row.wartung_tage_bis_faelligkeit != null
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? parseInt(row.wartung_tage_bis_faelligkeit, 10) : null,
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naechste_pruefung_tage: row.naechste_pruefung_tage != null
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? parseInt(row.naechste_pruefung_tage, 10) : null,
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})) as FahrzeugListItem[];
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} catch (error) {
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logger.error('VehicleService.getAllVehicles failed', { error });
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throw new Error('Failed to fetch vehicles');
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}
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}
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// =========================================================================
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// VEHICLE DETAIL
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// =========================================================================
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async getVehicleById(id: string): Promise<FahrzeugDetail | null> {
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try {
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const vehicleResult = await pool.query(
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`SELECT * FROM fahrzeuge_mit_pruefstatus WHERE id = $1`,
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[id]
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);
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if (vehicleResult.rows.length === 0) return null;
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const row = vehicleResult.rows[0];
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const wartungslogResult = await pool.query(
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`SELECT * FROM fahrzeug_wartungslog
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WHERE fahrzeug_id = $1
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ORDER BY datum DESC, created_at DESC`,
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[id]
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);
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const vehicle: FahrzeugDetail = {
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id: row.id,
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bezeichnung: row.bezeichnung,
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kurzname: row.kurzname,
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amtliches_kennzeichen: row.amtliches_kennzeichen,
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fahrgestellnummer: row.fahrgestellnummer,
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baujahr: row.baujahr,
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hersteller: row.hersteller,
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typ_schluessel: row.typ_schluessel,
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besatzung_soll: row.besatzung_soll,
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status: row.status as FahrzeugStatus,
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status_bemerkung: row.status_bemerkung,
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standort: row.standort,
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bild_url: row.bild_url,
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paragraph57a_faellig_am: row.paragraph57a_faellig_am ?? null,
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naechste_wartung_am: row.naechste_wartung_am ?? null,
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created_at: row.created_at,
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updated_at: row.updated_at,
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paragraph57a_tage_bis_faelligkeit: row.paragraph57a_tage_bis_faelligkeit != null
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? parseInt(row.paragraph57a_tage_bis_faelligkeit, 10) : null,
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wartung_tage_bis_faelligkeit: row.wartung_tage_bis_faelligkeit != null
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? parseInt(row.wartung_tage_bis_faelligkeit, 10) : null,
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naechste_pruefung_tage: row.naechste_pruefung_tage != null
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? parseInt(row.naechste_pruefung_tage, 10) : null,
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wartungslog: wartungslogResult.rows.map(r => ({
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...r,
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kosten: r.kosten != null ? Number(r.kosten) : null,
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})) as FahrzeugWartungslog[],
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};
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return vehicle;
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} catch (error) {
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logger.error('VehicleService.getVehicleById failed', { error, id });
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throw new Error('Failed to fetch vehicle');
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}
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}
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// =========================================================================
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// CRUD
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// =========================================================================
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async createVehicle(data: CreateFahrzeugData, createdBy: string): Promise<Fahrzeug> {
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try {
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const result = await pool.query(
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`INSERT INTO fahrzeuge (
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bezeichnung, kurzname, amtliches_kennzeichen, fahrgestellnummer,
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baujahr, hersteller, typ_schluessel, besatzung_soll,
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status, status_bemerkung, standort, bild_url,
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paragraph57a_faellig_am, naechste_wartung_am
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) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13,$14)
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RETURNING *`,
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[
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data.bezeichnung,
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data.kurzname ?? null,
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data.amtliches_kennzeichen ?? null,
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data.fahrgestellnummer ?? null,
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data.baujahr ?? null,
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data.hersteller ?? null,
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data.typ_schluessel ?? null,
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data.besatzung_soll ?? null,
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data.status ?? FahrzeugStatus.Einsatzbereit,
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data.status_bemerkung ?? null,
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data.standort ?? 'Feuerwehrhaus',
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data.bild_url ?? null,
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data.paragraph57a_faellig_am ?? null,
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data.naechste_wartung_am ?? null,
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]
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);
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const vehicle = result.rows[0] as Fahrzeug;
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logger.info('Vehicle created', { id: vehicle.id, by: createdBy });
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return vehicle;
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} catch (error) {
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logger.error('VehicleService.createVehicle failed', { error, createdBy });
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throw new Error('Failed to create vehicle');
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}
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}
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async updateVehicle(id: string, data: UpdateFahrzeugData, updatedBy: string): Promise<Fahrzeug> {
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try {
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const fields: string[] = [];
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const values: unknown[] = [];
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let p = 1;
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const addField = (col: string, value: unknown) => {
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fields.push(`${col} = $${p++}`);
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values.push(value);
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};
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if (data.bezeichnung !== undefined) addField('bezeichnung', data.bezeichnung);
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if (data.kurzname !== undefined) addField('kurzname', data.kurzname);
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if (data.amtliches_kennzeichen !== undefined) addField('amtliches_kennzeichen', data.amtliches_kennzeichen);
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if (data.fahrgestellnummer !== undefined) addField('fahrgestellnummer', data.fahrgestellnummer);
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if (data.baujahr !== undefined) addField('baujahr', data.baujahr);
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if (data.hersteller !== undefined) addField('hersteller', data.hersteller);
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if (data.typ_schluessel !== undefined) addField('typ_schluessel', data.typ_schluessel);
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if (data.besatzung_soll !== undefined) addField('besatzung_soll', data.besatzung_soll);
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if (data.status !== undefined) addField('status', data.status);
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if (data.status_bemerkung !== undefined) addField('status_bemerkung', data.status_bemerkung);
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if (data.standort !== undefined) addField('standort', data.standort);
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if (data.bild_url !== undefined) addField('bild_url', data.bild_url);
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if (data.paragraph57a_faellig_am !== undefined) addField('paragraph57a_faellig_am', data.paragraph57a_faellig_am);
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if (data.naechste_wartung_am !== undefined) addField('naechste_wartung_am', data.naechste_wartung_am);
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if (fields.length === 0) {
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throw new Error('No fields to update');
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}
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values.push(id);
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const result = await pool.query(
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`UPDATE fahrzeuge SET ${fields.join(', ')} WHERE id = $${p} AND deleted_at IS NULL RETURNING *`,
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values
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);
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if (result.rows.length === 0) {
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throw new Error('Vehicle not found');
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}
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const vehicle = result.rows[0] as Fahrzeug;
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logger.info('Vehicle updated', { id, by: updatedBy });
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return vehicle;
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} catch (error) {
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logger.error('VehicleService.updateVehicle failed', { error, id, updatedBy });
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throw error;
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}
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}
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async deleteVehicle(id: string, deletedBy: string): Promise<void> {
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try {
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const result = await pool.query(
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`UPDATE fahrzeuge
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SET deleted_at = NOW()
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WHERE id = $1 AND deleted_at IS NULL
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RETURNING id`,
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[id]
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);
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if (result.rows.length === 0) {
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throw new Error('Vehicle not found');
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}
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logger.info('Vehicle soft-deleted', { id, by: deletedBy });
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} catch (error) {
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logger.error('VehicleService.deleteVehicle failed', { error, id });
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throw error;
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}
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}
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// =========================================================================
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// STATUS MANAGEMENT
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// =========================================================================
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async updateVehicleStatus(
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id: string,
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status: FahrzeugStatus,
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bemerkung: string,
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updatedBy: string,
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io?: any
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): Promise<void> {
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const client = await pool.connect();
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try {
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await client.query('BEGIN');
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const oldResult = await client.query(
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`SELECT bezeichnung, status FROM fahrzeuge WHERE id = $1 AND deleted_at IS NULL FOR UPDATE`,
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[id]
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);
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if (oldResult.rows.length === 0) {
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await client.query('ROLLBACK');
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throw new Error('Vehicle not found');
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}
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const { bezeichnung, status: oldStatus } = oldResult.rows[0];
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await client.query(
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`UPDATE fahrzeuge SET status = $1, status_bemerkung = $2 WHERE id = $3`,
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[status, bemerkung || null, id]
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);
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await client.query('COMMIT');
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logger.info('Vehicle status updated', { id, from: oldStatus, to: status, by: updatedBy });
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if (io) {
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io.emit('vehicle:statusChanged', {
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vehicleId: id,
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bezeichnung,
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oldStatus,
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newStatus: status,
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bemerkung: bemerkung || null,
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updatedBy,
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timestamp: new Date().toISOString(),
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});
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}
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} catch (error) {
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await client.query('ROLLBACK').catch(() => {});
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logger.error('VehicleService.updateVehicleStatus failed', { error, id });
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throw error;
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} finally {
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client.release();
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}
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}
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// =========================================================================
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// MAINTENANCE LOG
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// =========================================================================
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async addWartungslog(
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fahrzeugId: string,
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data: CreateWartungslogData,
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createdBy: string
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): Promise<FahrzeugWartungslog> {
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try {
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const check = await pool.query(
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`SELECT 1 FROM fahrzeuge WHERE id = $1 AND deleted_at IS NULL`,
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[fahrzeugId]
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);
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if (check.rows.length === 0) {
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throw new Error('Vehicle not found');
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}
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const result = await pool.query(
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`INSERT INTO fahrzeug_wartungslog (
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fahrzeug_id, datum, art, beschreibung,
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km_stand, kraftstoff_liter, kosten, externe_werkstatt, erfasst_von
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) VALUES ($1,$2,$3,$4,$5,$6,$7,$8,$9)
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RETURNING *`,
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[
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fahrzeugId,
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data.datum,
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data.art ?? null,
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data.beschreibung,
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data.km_stand ?? null,
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data.kraftstoff_liter ?? null,
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data.kosten ?? null,
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data.externe_werkstatt ?? null,
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createdBy,
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]
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);
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const entry = result.rows[0] as FahrzeugWartungslog;
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logger.info('Wartungslog entry added', { entryId: entry.id, fahrzeugId, by: createdBy });
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return entry;
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} catch (error) {
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logger.error('VehicleService.addWartungslog failed', { error, fahrzeugId });
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throw error;
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}
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}
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async getWartungslogForVehicle(fahrzeugId: string): Promise<FahrzeugWartungslog[]> {
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try {
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const result = await pool.query(
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`SELECT * FROM fahrzeug_wartungslog
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WHERE fahrzeug_id = $1
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ORDER BY datum DESC, created_at DESC`,
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[fahrzeugId]
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);
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return result.rows.map(r => ({
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...r,
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kosten: r.kosten != null ? Number(r.kosten) : null,
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})) as FahrzeugWartungslog[];
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} catch (error) {
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logger.error('VehicleService.getWartungslogForVehicle failed', { error, fahrzeugId });
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throw new Error('Failed to fetch maintenance log');
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}
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}
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// =========================================================================
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// DASHBOARD KPI
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// =========================================================================
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async getVehicleStats(): Promise<VehicleStats> {
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try {
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const totalsResult = await pool.query(`
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SELECT
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COUNT(*) AS total,
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COUNT(*) FILTER (WHERE status = 'einsatzbereit') AS einsatzbereit,
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COUNT(*) FILTER (
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WHERE status IN ('ausser_dienst_wartung','ausser_dienst_schaden')
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) AS ausser_dienst,
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COUNT(*) FILTER (WHERE status = 'in_lehrgang') AS in_lehrgang
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FROM fahrzeuge
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WHERE deleted_at IS NULL
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`);
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const alertResult = await pool.query(`
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SELECT
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COUNT(*) FILTER (
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WHERE (
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(paragraph57a_faellig_am IS NOT NULL AND paragraph57a_faellig_am::date - CURRENT_DATE BETWEEN 0 AND 30)
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OR
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(naechste_wartung_am IS NOT NULL AND naechste_wartung_am::date - CURRENT_DATE BETWEEN 0 AND 30)
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)
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) AS inspections_due,
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COUNT(*) FILTER (
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WHERE (
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(paragraph57a_faellig_am IS NOT NULL AND paragraph57a_faellig_am::date < CURRENT_DATE)
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OR
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(naechste_wartung_am IS NOT NULL AND naechste_wartung_am::date < CURRENT_DATE)
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)
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) AS inspections_overdue
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FROM fahrzeuge
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WHERE deleted_at IS NULL
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`);
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const totals = totalsResult.rows[0] ?? { total: '0', einsatzbereit: '0', ausser_dienst: '0', in_lehrgang: '0' };
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const alerts = alertResult.rows[0] ?? { inspections_due: '0', inspections_overdue: '0' };
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return {
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total: parseInt(totals.total ?? '0', 10),
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einsatzbereit: parseInt(totals.einsatzbereit ?? '0', 10),
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ausserDienst: parseInt(totals.ausser_dienst ?? '0', 10),
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inLehrgang: parseInt(totals.in_lehrgang ?? '0', 10),
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inspectionsDue: parseInt(alerts.inspections_due ?? '0', 10),
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inspectionsOverdue: parseInt(alerts.inspections_overdue ?? '0', 10),
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};
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} catch (error) {
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logger.error('VehicleService.getVehicleStats failed', { error });
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throw new Error('Failed to fetch vehicle stats');
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}
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}
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async getUpcomingInspections(daysAhead: number): Promise<InspectionAlert[]> {
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try {
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const result = await pool.query(
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`SELECT
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id AS fahrzeug_id,
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bezeichnung,
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kurzname,
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paragraph57a_faellig_am,
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paragraph57a_faellig_am::date - CURRENT_DATE AS paragraph57a_tage,
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naechste_wartung_am,
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naechste_wartung_am::date - CURRENT_DATE AS wartung_tage
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FROM fahrzeuge
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WHERE
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deleted_at IS NULL
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AND (
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(paragraph57a_faellig_am IS NOT NULL AND paragraph57a_faellig_am::date - CURRENT_DATE <= $1)
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OR
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(naechste_wartung_am IS NOT NULL AND naechste_wartung_am::date - CURRENT_DATE <= $1)
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)
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ORDER BY LEAST(
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CASE WHEN paragraph57a_faellig_am IS NOT NULL
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THEN paragraph57a_faellig_am::date - CURRENT_DATE END,
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CASE WHEN naechste_wartung_am IS NOT NULL
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THEN naechste_wartung_am::date - CURRENT_DATE END
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) ASC NULLS LAST`,
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[daysAhead]
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);
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const alerts: InspectionAlert[] = [];
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for (const row of result.rows) {
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if (row.paragraph57a_faellig_am !== null && row.paragraph57a_tage !== null) {
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const tage = parseInt(row.paragraph57a_tage, 10);
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if (tage <= daysAhead) {
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alerts.push({
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fahrzeugId: row.fahrzeug_id,
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bezeichnung: row.bezeichnung,
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kurzname: row.kurzname,
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type: '57a',
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faelligAm: row.paragraph57a_faellig_am,
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tage,
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});
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}
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}
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if (row.naechste_wartung_am !== null && row.wartung_tage !== null) {
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const tage = parseInt(row.wartung_tage, 10);
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if (tage <= daysAhead) {
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alerts.push({
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fahrzeugId: row.fahrzeug_id,
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bezeichnung: row.bezeichnung,
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kurzname: row.kurzname,
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type: 'wartung',
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faelligAm: row.naechste_wartung_am,
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tage,
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});
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}
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}
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}
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alerts.sort((a, b) => a.tage - b.tage);
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return alerts;
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} catch (error) {
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logger.error('VehicleService.getUpcomingInspections failed', { error, daysAhead });
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throw new Error('Failed to fetch inspection alerts');
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}
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}
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}
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export default new VehicleService();
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