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import { Hono } from "hono";
import { Env, Variables } from "../types";
import { getDecryptedKV } from "encrypt-workers-kv";
import { getAllNotionPageContents } from "../utils/notion";
import { and, eq, or } from "@supermemory/db";
import { documents } from "@supermemory/db/schema";
import { database } from "@supermemory/db";
const integrations = new Hono<{ Variables: Variables; Bindings: Env }>().get("/notion/import", async (c) => {
const user = c.get("user");
if (!user) {
return c.json({ error: "Unauthorized" }, 401);
}
// Create SSE stream
const stream = new TransformStream();
const writer = stream.writable.getWriter();
const encoder = new TextEncoder();
// Create response first so client gets headers immediately
const response = new Response(stream.readable, {
headers: {
"Content-Type": "text/event-stream",
"Cache-Control": "no-cache",
Connection: "keep-alive",
// Required CORS headers for SSE
"Access-Control-Allow-Origin": "*",
"Access-Control-Allow-Credentials": "true",
},
});
const sendMessage = async (data: Record<string, any>) => {
// Proper SSE format requires "data: " prefix and double newline
const formattedData = `data: ${JSON.stringify(data)}\n\n`;
await writer.write(encoder.encode(formattedData));
};
// Start processing in background
c.executionCtx.waitUntil(
(async () => {
try {
// Send initial heartbeat
await sendMessage({ type: "connected" });
const token = await getDecryptedKV(
c.env.ENCRYPTED_TOKENS,
`${user.uuid}-notion`,
`${c.env.WORKOS_COOKIE_PASSWORD}-${user.uuid}`
);
const stringToken = new TextDecoder().decode(token);
if (!stringToken) {
await sendMessage({ type: "error", error: "No token found" });
await writer.close();
return;
}
await sendMessage({ type: "progress", progress: 5 });
// Fetch pages with progress updates
const pages = await getAllNotionPageContents(
stringToken,
async (progress) => {
// Map progress from 0-100 to 5-40 range
const scaledProgress = Math.floor(5 + (progress * 35) / 100);
await sendMessage({ type: "progress", progress: scaledProgress });
}
);
await sendMessage({ type: "progress", progress: 40 });
let processed = 0;
const totalPages = pages.length;
const db = database(c.env.HYPERDRIVE.connectionString);
for (const page of pages) {
// Calculate document hash for duplicate detection
const encoder = new TextEncoder();
const data = encoder.encode(page.content);
const hashBuffer = await crypto.subtle.digest("SHA-256", data);
const hashArray = Array.from(new Uint8Array(hashBuffer));
const documentHash = hashArray.map((b) => b.toString(16).padStart(2, "0")).join("");
// Check for duplicates using hash
const existingDocs = await db
.select()
.from(documents)
.where(
and(
eq(documents.userId, user.id),
or(
eq(documents.contentHash, documentHash),
and(
eq(documents.type, "notion"),
or(
eq(documents.url, page.url),
eq(documents.raw, page.content)
)
)
)
)
);
if (existingDocs.length > 0) {
await sendMessage({
type: "warning",
message: `Skipping duplicate page: ${page.title}`
});
processed++;
continue;
}
// Insert into documents table first
try {
await db.insert(documents).values({
uuid: page.id,
userId: user.id,
type: "notion",
url: page.url,
title: page.title,
contentHash: documentHash,
raw: page.content,
});
await c.env.CONTENT_WORKFLOW.create({
params: {
userId: user.id,
content: page.url,
spaces: [],
type: "notion",
uuid: page.id,
url: page.url,
prefetched: {
contentToVectorize: page.content,
contentToSave: page.content,
title: page.title,
type: "notion",
},
createdAt: page.createdAt,
},
id: `${user.id}-${page.id}-${new Date().getTime()}`,
});
processed++;
const progress = 50 + Math.floor((processed / totalPages) * 50);
await sendMessage({ type: "progress", progress, page: page.title });
} catch (error) {
console.error(`Failed to process page ${page.title}:`, error);
await sendMessage({
type: "warning",
message: `Failed to process page: ${page.title}`,
error: error instanceof Error ? error.message : "Unknown error"
});
processed++;
continue;
}
}
await sendMessage({ type: "complete", progress: 100 });
await writer.close();
} catch (error) {
console.error("Import error:", error);
await sendMessage({
type: "error",
error: error instanceof Error ? error.message : "Import failed",
});
await writer.close();
}
})()
);
return response;
});
export default integrations;
|