fix docs

src/features/b2b/api/b2bApi.ts

@@ -0,0 +1,81 @@
+import { getCsrfToken } from '@shared/api/csrf'
+import { refreshAccessToken } from '@shared/api/tokenStore'
+
+const B2B_API_URL = 'https://app.b2b.elcsa.ru/api'
+
+async function doB2bRequest<T>(
+  path: string,
+  options: RequestInit,
+  allowRetry: boolean,
+): Promise<T> {
+  const csrf = await getCsrfToken()
+
+  const res = await fetch(`${B2B_API_URL}${path}`, {
+    ...options,
+    credentials: 'include',
+    headers: {
+      'X-CSRF-Token': csrf,
+      ...options.headers,
+    },
+  })
+
+  if (res.status === 401 && allowRetry) {
+    try {
+      await refreshAccessToken()
+      return doB2bRequest<T>(path, options, false)
+    } catch {
+      throw new Error('Unauthorized')
+    }
+  }
+
+  const data = await res.json()
+  if (!res.ok) throw data
+  return data as T
+}
+
+export interface CreatePurchaseRequestBody {
+  usdt_amount: number | string
+  comment?: string | null
+  target_wallet_chain?: string | null
+  target_wallet_address?: string | null
+}
+
+export interface B2bPurchaseRequest {
+  id: string
+  organization_id: string
+  status: string
+  usdt_amount: string
+  rub_amount: string | null
+  exchange_rate: string | null
+  service_fee_percent: string | null
+  comment: string | null
+  admin_comment: string | null
+  target_wallet_chain: string | null
+  target_wallet_address: string | null
+  tx_hash: string | null
+  created_at: string | null
+  updated_at: string | null
+  completed_at: string | null
+}
+
+export interface B2bPurchaseRequestListResponse {
+  items: B2bPurchaseRequest[]
+  total: number
+}
+
+export function createPurchaseRequest(
+  body: CreatePurchaseRequestBody,
+): Promise<B2bPurchaseRequest> {
+  return doB2bRequest('/purchase-requests', {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(body),
+  }, true)
+}
+
+export function getMyPurchaseRequests(
+  limit = 50,
+  offset = 0,
+): Promise<B2bPurchaseRequestListResponse> {
+  return doB2bRequest(`/purchase-requests?limit=${limit}&offset=${offset}`, {}, true)
+}