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178
client/src/services/KreditorService.js
Normal file
178
client/src/services/KreditorService.js
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class KreditorService {
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constructor() {
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this.baseURL = '/api';
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}
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async getAuthHeaders() {
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const token = localStorage.getItem('token');
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return {
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'Content-Type': 'application/json',
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'Authorization': `Bearer ${token}`,
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};
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}
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async handleResponse(response) {
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if (!response.ok) {
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const errorData = await response.json().catch(() => ({}));
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console.log('Server error response:', errorData);
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// Handle different types of errors with clearer messages
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if (response.status === 502 || response.status === 503) {
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throw new Error('FibDash Service nicht verfügbar - Bitte versuchen Sie es später erneut');
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} else if (response.status === 500) {
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throw new Error('FibDash Server Fehler - Bitte kontaktieren Sie den Administrator');
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} else if (response.status === 403) {
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const message = errorData.message || 'Zugriff verweigert';
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throw new Error(message);
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} else if (response.status === 401) {
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throw new Error('Authentifizierung fehlgeschlagen - Bitte melden Sie sich erneut an');
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} else if (response.status === 404) {
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throw new Error('Kreditor nicht gefunden');
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} else if (response.status === 409) {
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const message = errorData.error || 'Kreditor bereits vorhanden';
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throw new Error(message);
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} else if (response.status === 400) {
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const message = errorData.error || 'Ungültige Daten';
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throw new Error(message);
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} else {
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const errorMessage = errorData.error || errorData.message || `HTTP ${response.status}: Unbekannter Fehler`;
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throw new Error(errorMessage);
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}
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}
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return await response.json();
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}
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async getAllKreditors() {
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try {
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const response = await fetch(`${this.baseURL}/data/kreditors`, {
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method: 'GET',
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headers: await this.getAuthHeaders(),
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});
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return await this.handleResponse(response);
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} catch (error) {
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console.error('Error fetching kreditors:', error);
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// Handle network errors
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if (error instanceof TypeError && error.message.includes('fetch')) {
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throw new Error('FibDash Service nicht erreichbar - Prüfen Sie Ihre Internetverbindung oder versuchen Sie es später erneut');
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}
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throw error;
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}
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}
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async getKreditorById(id) {
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try {
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const response = await fetch(`${this.baseURL}/data/kreditors/${id}`, {
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method: 'GET',
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headers: await this.getAuthHeaders(),
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});
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return await this.handleResponse(response);
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} catch (error) {
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console.error('Error fetching kreditor:', error);
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// Handle network errors
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if (error instanceof TypeError && error.message.includes('fetch')) {
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throw new Error('FibDash Service nicht erreichbar - Prüfen Sie Ihre Internetverbindung oder versuchen Sie es später erneut');
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}
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throw error;
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}
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}
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async createKreditor(kreditorData) {
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try {
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const response = await fetch(`${this.baseURL}/data/kreditors`, {
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method: 'POST',
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headers: await this.getAuthHeaders(),
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body: JSON.stringify(kreditorData),
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});
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return await this.handleResponse(response);
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} catch (error) {
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console.error('Error creating kreditor:', error);
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// Handle network errors
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if (error instanceof TypeError && error.message.includes('fetch')) {
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throw new Error('FibDash Service nicht erreichbar - Prüfen Sie Ihre Internetverbindung oder versuchen Sie es später erneut');
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}
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throw error;
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}
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}
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async updateKreditor(id, kreditorData) {
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try {
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const response = await fetch(`${this.baseURL}/data/kreditors/${id}`, {
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method: 'PUT',
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headers: await this.getAuthHeaders(),
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body: JSON.stringify(kreditorData),
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});
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return await this.handleResponse(response);
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} catch (error) {
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console.error('Error updating kreditor:', error);
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// Handle network errors
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if (error instanceof TypeError && error.message.includes('fetch')) {
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throw new Error('FibDash Service nicht erreichbar - Prüfen Sie Ihre Internetverbindung oder versuchen Sie es später erneut');
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}
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throw error;
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}
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}
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async deleteKreditor(id) {
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try {
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const response = await fetch(`${this.baseURL}/data/kreditors/${id}`, {
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method: 'DELETE',
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headers: await this.getAuthHeaders(),
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});
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return await this.handleResponse(response);
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} catch (error) {
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console.error('Error deleting kreditor:', error);
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// Handle network errors
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if (error instanceof TypeError && error.message.includes('fetch')) {
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throw new Error('FibDash Service nicht erreichbar - Prüfen Sie Ihre Internetverbindung oder versuchen Sie es später erneut');
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}
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throw error;
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}
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}
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// Utility method to validate kreditor data
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validateKreditorData(kreditorData) {
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const errors = [];
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if (!kreditorData.iban || kreditorData.iban.trim() === '') {
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errors.push('IBAN ist erforderlich');
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}
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if (!kreditorData.name || kreditorData.name.trim() === '') {
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errors.push('Name ist erforderlich');
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}
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if (!kreditorData.kreditorId || kreditorData.kreditorId.trim() === '') {
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errors.push('Kreditor-ID ist erforderlich');
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}
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// Basic IBAN format validation (simplified)
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if (kreditorData.iban && !/^[A-Z]{2}[0-9]{2}[A-Z0-9]{4}[0-9]{7}([A-Z0-9]?){0,16}$/i.test(kreditorData.iban.replace(/\s/g, ''))) {
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errors.push('IBAN Format ist ungültig');
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}
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// Validate kreditorId format (should start with 70xxx)
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if (kreditorData.kreditorId && !/^70\d{3,}$/.test(kreditorData.kreditorId)) {
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errors.push('Kreditor-ID muss mit 70 beginnen gefolgt von mindestens 3 Ziffern');
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}
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return errors;
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}
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}
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export default KreditorService;
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