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import type { Molecule, Protein } from './visualization-types';
const API_BASE = '/api';
// Generic fetch helper with error handling
async function fetchApi<T>(url: string): Promise<T> {
const response = await fetch(url);
if (!response.ok) {
const error = await response.json().catch(() => ({ error: 'Unknown error' }));
throw new Error(error.error || `HTTP ${response.status}`);
}
return response.json();
}
async function fetchText(url: string): Promise<string> {
const response = await fetch(url);
if (!response.ok) {
const error = await response.json().catch(() => ({ error: 'Unknown error' }));
throw new Error(error.error || `HTTP ${response.status}`);
}
return response.text();
}
// Molecule API
export async function getMolecules(): Promise<Molecule[]> {
return fetchApi<Molecule[]>(`${API_BASE}/molecules`);
}
export async function getMolecule(id: string): Promise<Molecule> {
return fetchApi<Molecule>(`${API_BASE}/molecules/${id}`);
}
export async function getMoleculeSDF(id: string): Promise<string> {
return fetchText(`${API_BASE}/molecules/${id}/sdf`);
}
// Protein API
export async function getProteins(): Promise<Protein[]> {
return fetchApi<Protein[]>(`${API_BASE}/proteins`);
}
export async function getProtein(id: string): Promise<Protein> {
return fetchApi<Protein>(`${API_BASE}/proteins/${id}`);
}
export async function getProteinPDB(id: string): Promise<string> {
return fetchText(`${API_BASE}/proteins/${id}/pdb`);
}
// URL builders for direct links
export function getMoleculeSdfUrl(id: string): string {
return `${API_BASE}/molecules/${id}/sdf`;
}
export function getProteinPdbUrl(pdbId: string): string {
// Fetch directly from RCSB PDB for now
return `https://files.rcsb.org/download/${pdbId.toUpperCase()}.pdb`;
}
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