File size: 7,808 Bytes
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const FN_URL = (name: string) =>
`${SUPABASE_URL}/functions/v1/${name}`;
/** Trigger ingest pipeline (PDF/DOCX/YouTube/text). */
export async function triggerIngest(documentId: string): Promise<void> {
const { data: { session } } = await supabase.auth.getSession();
const token = session?.access_token;
if (!token) throw new Error("Not authenticated");
const resp = await fetch(FN_URL("ingest"), {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${token}`,
},
body: JSON.stringify({ document_id: documentId }),
});
if (!resp.ok) {
const t = await resp.text();
throw new Error(t || `Ingest failed (${resp.status})`);
}
}
/** Trigger embedding + chunking for RAG chat. */
export async function embedChunks(documentId: string): Promise<{ ok: boolean; chunks?: number; cached?: boolean }> {
const { data: { session } } = await supabase.auth.getSession();
const token = session?.access_token;
if (!token) throw new Error("Not authenticated");
const resp = await fetch(FN_URL("embed_chunks"), {
method: "POST",
headers: { "Content-Type": "application/json", Authorization: `Bearer ${token}` },
body: JSON.stringify({ document_id: documentId }),
});
if (!resp.ok) {
if (resp.status === 429) throw new Error("Rate limit reached — please wait a moment and try again.");
if (resp.status === 402) throw new Error("Hit the free-tier rate limit — please wait a moment and retry.");
const t = await resp.text();
throw new Error(t || `Embedding failed (${resp.status})`);
}
return await resp.json();
}
export type Citation = { n: number; order_index: number; similarity: number; text: string };
/** Stream a RAG chat reply. Calls onCitations once with sources, then onDelta for each token. */
export async function streamChat({
documentId, message, onCitations, onDelta, signal,
}: {
documentId: string;
message: string;
onCitations: (cites: Citation[]) => void;
onDelta: (chunk: string) => void;
signal?: AbortSignal;
}): Promise<string> {
const { data: { session } } = await supabase.auth.getSession();
const token = session?.access_token;
if (!token) throw new Error("Not authenticated");
const resp = await fetch(FN_URL("chat"), {
method: "POST",
headers: { "Content-Type": "application/json", Authorization: `Bearer ${token}` },
body: JSON.stringify({ document_id: documentId, message }),
signal,
});
if (!resp.ok || !resp.body) {
if (resp.status === 429) throw new Error("Rate limit reached — please wait a moment and try again.");
if (resp.status === 402) throw new Error("Hit the free-tier rate limit — please wait a moment and retry.");
const t = await resp.text();
throw new Error(t || `Chat failed (${resp.status})`);
}
const reader = resp.body.getReader();
const decoder = new TextDecoder();
let buf = "";
let full = "";
let currentEvent: string | null = null;
let done = false;
while (!done) {
const { done: rd, value } = await reader.read();
if (rd) break;
buf += decoder.decode(value, { stream: true });
let idx: number;
while ((idx = buf.indexOf("\n")) !== -1) {
let line = buf.slice(0, idx);
buf = buf.slice(idx + 1);
if (line.endsWith("\r")) line = line.slice(0, -1);
if (line === "") { currentEvent = null; continue; }
if (line.startsWith(":")) continue;
if (line.startsWith("event: ")) { currentEvent = line.slice(7).trim(); continue; }
if (!line.startsWith("data: ")) continue;
const json = line.slice(6).trim();
if (json === "[DONE]") { done = true; break; }
try {
const parsed = JSON.parse(json);
if (currentEvent === "citations" && Array.isArray(parsed.citations)) {
onCitations(parsed.citations as Citation[]);
} else {
const content = parsed.choices?.[0]?.delta?.content as string | undefined;
if (content) { full += content; onDelta(content); }
}
} catch {
buf = line + "\n" + buf;
break;
}
}
}
return full;
}
/** Trigger flashcards + quiz generation. Returns counts. */
export async function generateDerivatives(documentId: string): Promise<{
flashcards_count: number; questions_count: number; quiz_id: string | null;
}> {
const { data: { session } } = await supabase.auth.getSession();
const token = session?.access_token;
if (!token) throw new Error("Not authenticated");
const resp = await fetch(FN_URL("generate_derivatives"), {
method: "POST",
headers: { "Content-Type": "application/json", Authorization: `Bearer ${token}` },
body: JSON.stringify({ document_id: documentId }),
});
if (!resp.ok) {
if (resp.status === 429) throw new Error("Rate limit reached — please wait a moment and try again.");
if (resp.status === 402) throw new Error("Hit the free-tier rate limit — please wait a moment and retry.");
const t = await resp.text();
throw new Error(t || `Generation failed (${resp.status})`);
}
return await resp.json();
}
/**
* Stream notes for a document. Calls onDelta for each token chunk.
* Returns the full markdown when done.
*/
export async function streamNotes({
documentId,
onDelta,
signal,
}: {
documentId: string;
onDelta: (chunk: string) => void;
signal?: AbortSignal;
}): Promise<string> {
const { data: { session } } = await supabase.auth.getSession();
const token = session?.access_token;
if (!token) throw new Error("Not authenticated");
const resp = await fetch(FN_URL("generate_notes"), {
method: "POST",
headers: {
"Content-Type": "application/json",
Authorization: `Bearer ${token}`,
},
body: JSON.stringify({ document_id: documentId }),
signal,
});
if (!resp.ok || !resp.body) {
if (resp.status === 429) throw new Error("Rate limit reached — please wait a moment and try again.");
if (resp.status === 402) throw new Error("Hit the free-tier rate limit — please wait a moment and retry.");
const t = await resp.text();
throw new Error(t || `Notes generation failed (${resp.status})`);
}
const reader = resp.body.getReader();
const decoder = new TextDecoder();
let textBuffer = "";
let full = "";
let done = false;
while (!done) {
const { done: rd, value } = await reader.read();
if (rd) break;
textBuffer += decoder.decode(value, { stream: true });
let idx: number;
while ((idx = textBuffer.indexOf("\n")) !== -1) {
let line = textBuffer.slice(0, idx);
textBuffer = textBuffer.slice(idx + 1);
if (line.endsWith("\r")) line = line.slice(0, -1);
if (line.startsWith(":") || line.trim() === "") continue;
if (!line.startsWith("data: ")) continue;
const json = line.slice(6).trim();
if (json === "[DONE]") { done = true; break; }
try {
const parsed = JSON.parse(json);
const content = parsed.choices?.[0]?.delta?.content as string | undefined;
if (content) {
full += content;
onDelta(content);
}
} catch {
textBuffer = line + "\n" + textBuffer;
break;
}
}
}
// Flush leftover
if (textBuffer.trim()) {
for (let raw of textBuffer.split("\n")) {
if (raw.endsWith("\r")) raw = raw.slice(0, -1);
if (!raw.startsWith("data: ")) continue;
const json = raw.slice(6).trim();
if (json === "[DONE]") continue;
try {
const parsed = JSON.parse(json);
const content = parsed.choices?.[0]?.delta?.content as string | undefined;
if (content) { full += content; onDelta(content); }
} catch { /* ignore */ }
}
}
return full;
}
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