add new endpoint for tariffs

src/app/actions/action.ts

@@ -65,4 +65,38 @@ export async function getUserFilesInfo() {
 	} catch (error) {
 		console.error(`error: ${error}`);
 	}
+}
+
+export async function fetchTariffs() {
+	const token = await getSessionData('token');
+
+	try {
+		const response = await fetch(`${API_BASE_URL}/api/v1/data`, {
+			method: 'POST',
+			body: JSON.stringify({
+				version: 1,
+				msg_id: 30001,
+				message_body: {
+					action: 'get',
+					user_token: token
+				}
+			}),
+			headers: {
+				'Content-Type': 'application/json',
+				'Accept': 'application/json'
+			}
+		});
+
+		if (response.ok) {
+			const parsed = await response.json()
+			if (parsed?.message_code === 0) {
+				return parsed.message_body?.tariffs;
+			} else {
+				return []
+			}
+
+		}
+	} catch (error) {
+		console.error('error');
+	}
 }