Factotem

\n \n \n

Your knowledge totem will be built here.

\n\n\n\n`;\n}\n\nexport default async function(req: Request) {\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n\n if (req.method === \"POST\" && action === \"getPrerequisites\") {\n try {\n const openai = new OpenAI();\n const body = await req.json();\n const topic = body.topic;\n\n if (!topic || typeof topic !== \"string\" || topic.trim().length === 0) {\n return new Response(JSON.stringify({ error: \"A valid 'topic' string is required.\" }), { status: 400 });\n }\n\n const messages = [\n { role: \"system\", content: FACTOTEM_PROMPT },\n { role: \"user\", content: `Topic: \"${topic}\"` },\n ];\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: messages,\n temperature: 0.1,\n response_format: { type: \"json_object\" },\n });\n\n const content = completion.choices[0].message.content;\n if (!content) {\n throw new Error(\"AI returned an empty response.\");\n }\n\n const jsonData = extractJson(content);\n return new Response(JSON.stringify(jsonData), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n } catch (error) {\n console.error(\"Factotem AI Error:\", error);\n return new Response(JSON.stringify({ error: error.message || \"An unknown server error occurred.\" }), {\n status: 500,\n });\n }\n }\n\n // Handle GET requests by serving the HTML UI\n let sourceUrl = `https://${url.hostname}${url.pathname}`;\n if (!sourceUrl.endsWith(\"/\")) {\n sourceUrl += \"/\";\n }\n return new Response(generateHtml(sourceUrl), { headers: { \"Content-Type\": \"text/html\" } });\n}","deleted","label",[98],"permalink","https://www.val.town/x/know/factotem/code/main.ts","extension","actionData","errors"]