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| // Gemini SDK initialization moved to backend for security. | |
| /** | |
| * Search the real Python backend (inverted-index + TF-IDF). | |
| * | |
| * Returns the full API response object: | |
| * { query, expansion, expanded_terms, elapsed_ms, total_found, results: [...] } | |
| * | |
| * Throws an error with { offline: true } when the backend is unreachable, | |
| * so the caller can show a friendly "backend offline" message. | |
| */ | |
| export async function searchBackend(query, { useWordNet = false, useBert = false, useFeedback = false } = {}) { | |
| const params = new URLSearchParams({ | |
| q: query, | |
| use_wordnet: useWordNet, | |
| use_bert: useBert, | |
| use_feedback: useFeedback, | |
| }); | |
| const url = `/api/search?${params.toString()}`; | |
| try { | |
| const res = await fetch(url); | |
| if (!res.ok) { | |
| const body = await res.json().catch(() => ({})); | |
| throw new Error(body.detail || `Backend returned ${res.status}`); | |
| } | |
| return await res.json(); | |
| } catch (err) { | |
| if (err.message === "Failed to fetch") { | |
| const offline = new Error( | |
| "Backend is offline. Start the FastAPI server on port 8000." | |
| ); | |
| offline.offline = true; | |
| throw offline; | |
| } | |
| throw err; | |
| } | |
| } | |
| // ─── Legacy alias — keeps any old imports working ───────────────────────────── | |
| export const searchMathConcepts = async (query) => { | |
| const data = await searchBackend(query); | |
| return data.results ?? []; | |
| }; | |
| export async function explainMathConcept(topic, docId = "") { | |
| try { | |
| const response = await fetch(`/api/explain?topic=${encodeURIComponent(topic)}&doc_id=${encodeURIComponent(docId)}`); | |
| if (!response.ok) { | |
| const data = await response.json().catch(() => ({})); | |
| console.error("Gemini API Error details:", data); | |
| throw new Error(data.detail || data.error || "Explanation failed"); | |
| } | |
| const data = await response.json(); | |
| return data.explanation || "Could not load explanation."; | |
| } catch (error) { | |
| console.error("Gemini Error:", error); | |
| throw new Error(error.message || "Could not load explanation."); | |
| } | |
| } | |