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// API base URL
const API_BASE_URL = 'http://localhost:8080/api/v1';
// Helper function for fetching data with authorization
async function fetchWithAuth(url: string, options: RequestInit = {}) {
// Get token from local storage
const token = localStorage.getItem('token');
// Set up headers with authorization
const headers = {
'Content-Type': 'application/json',
...(token ? { 'Authorization': `Bearer ${token}` } : {}),
...options.headers
};
// Perform fetch
const response = await fetch(`${API_BASE_URL}${url}`, {
...options,
headers
});
// Handle unauthorized responses
if (response.status === 401) {
localStorage.removeItem('token');
window.location.href = '/login';
throw new Error('Unauthorized');
}
// Parse response
if (!response.ok) {
const errorData = await response.json().catch(() => null);
throw new Error(errorData?.error || `API Error: ${response.status}`);
}
return response.json();
}
// Auth API
export const authApi = {
login: async (email: string, password: string) => {
const response = await fetch(`${API_BASE_URL}/auth/login`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ email, password })
});
if (!response.ok) {
const errorData = await response.json().catch(() => null);
throw new Error(errorData?.error || 'Login failed');
}
const data = await response.json();
localStorage.setItem('token', data.token);
return data;
},
signup: async (name: string, email: string, password: string) => {
const response = await fetch(`${API_BASE_URL}/auth/signup`, {
method: 'POST',
headers: { 'Content-Type': 'application/json' },
body: JSON.stringify({ name, email, password })
});
if (!response.ok) {
const errorData = await response.json().catch(() => null);
throw new Error(errorData?.error || 'Signup failed');
}
return response.json();
},
logout: () => {
localStorage.removeItem('token');
window.location.href = '/login';
}
};
// Account API
export interface Account {
ID: number;
CreatedAt: string;
UpdatedAt: string;
DeletedAt: string | null;
UserID: number;
Name: string;
Type: string;
Balance: number;
}
export interface AccountInput {
name: string;
type: string;
balance: number;
}
export const accountApi = {
getAccounts: () => fetchWithAuth('/accounts'),
getAccount: (id: number) => fetchWithAuth(`/accounts/${id}`),
createAccount: (account: AccountInput) => fetchWithAuth('/accounts', {
method: 'POST',
body: JSON.stringify(account)
}),
updateAccount: (id: number, account: Partial<AccountInput>) => fetchWithAuth(`/accounts/${id}`, {
method: 'PUT',
body: JSON.stringify(account)
}),
deleteAccount: (id: number) => fetchWithAuth(`/accounts/${id}`, {
method: 'DELETE'
})
};
// Transaction API
export interface Transaction {
ID: number;
CreatedAt: string;
UpdatedAt: string;
DeletedAt: string | null;
UserID: number;
AccountID: number | null;
Description: string;
Amount: number;
Type: "Income" | "Expense";
Date: string;
Category: string;
}
export interface TransactionInput {
description: string;
amount: number;
type: "Income" | "Expense";
date: string; // YYYY-MM-DD format
category: string;
accountId?: number;
}
export interface TransactionFilters {
type?: "Income" | "Expense";
accountId?: number;
category?: string;
startDate?: string; // YYYY-MM-DD format
endDate?: string; // YYYY-MM-DD format
}
export const transactionApi = {
getTransactions: (filters?: TransactionFilters) => {
let queryParams = '';
if (filters) {
const params = new URLSearchParams();
if (filters.type) params.append('type', filters.type);
if (filters.accountId) params.append('account_id', filters.accountId.toString());
if (filters.category) params.append('category', filters.category);
if (filters.startDate) params.append('start_date', filters.startDate);
if (filters.endDate) params.append('end_date', filters.endDate);
queryParams = `?${params.toString()}`;
}
return fetchWithAuth(`/transactions${queryParams}`);
},
getTransaction: (id: number) => fetchWithAuth(`/transactions/${id}`),
createTransaction: (transaction: TransactionInput) => fetchWithAuth('/transactions', {
method: 'POST',
body: JSON.stringify(transaction)
}),
updateTransaction: (id: number, transaction: Partial<TransactionInput>) => fetchWithAuth(`/transactions/${id}`, {
method: 'PUT',
body: JSON.stringify(transaction)
}),
deleteTransaction: (id: number) => fetchWithAuth(`/transactions/${id}`, {
method: 'DELETE'
})
};
// Loan API
export interface Loan {
ID: number;
CreatedAt: string;
UpdatedAt: string;
DeletedAt: string | null;
UserID: number;
AccountID: number | null;
Name: string;
OriginalAmount: number;
CurrentBalance: number;
InterestRate: number;
StartDate: string;
EndDate: string;
}
export interface LoanInput {
name: string;
originalAmount: number;
currentBalance: number;
interestRate: number;
startDate: string;
endDate: string;
accountId?: number;
}
export const loanApi = {
getLoans: () => fetchWithAuth('/loans'),
getLoan: (id: number) => fetchWithAuth(`/loans/${id}`),
createLoan: (loan: LoanInput) => fetchWithAuth('/loans', {
method: 'POST',
body: JSON.stringify(loan)
}),
updateLoan: (id: number, loan: Partial<LoanInput>) => fetchWithAuth(`/loans/${id}`, {
method: 'PUT',
body: JSON.stringify(loan)
}),
deleteLoan: (id: number) => fetchWithAuth(`/loans/${id}`, {
method: 'DELETE'
})
};
// User API
export const userApi = {
getProfile: () => fetchWithAuth('/users/me')
};
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