Discovery Sandbox

\n\n\n`;\n}\n\nexport default async function(req) {\n const { OpenAI } = await import(\"https://esm.town/v/std/openai\");\n const CORS_HEADERS = {\n \"Access-Control-Allow-Origin\": \"*\",\n \"Access-Control-Allow-Methods\": \"POST, GET, OPTIONS\",\n \"Access-Control-Allow-Headers\": \"Content-Type, Accept\",\n };\n if (req.method === \"OPTIONS\") return new Response(null, { status: 204, headers: CORS_HEADERS });\n\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n const sourceUrl = import.meta.url.replace(\"esm.town\", \"val.town\");\n const openai = new OpenAI();\n const jsonResponse = (body, status) =>\n new Response(JSON.stringify(body), { status, headers: { ...CORS_HEADERS, \"Content-Type\": \"application/json\" } });\n\n async function callAI(systemPrompt, userMessage) {\n try {\n const response = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [{ role: \"system\", content: systemPrompt }, { role: \"user\", content: userMessage }],\n temperature: 0.2,\n response_format: { type: \"json_object\" },\n });\n const content = response.choices?.[0]?.message?.content;\n if (!content) throw new Error(\"AI returned empty content.\");\n return JSON.parse(content);\n } catch (error) {\n console.error(`AI API Error:`, error);\n return { error: \"AI_API_ERROR\", details: error.message };\n }\n }\n\n if (action === \"generateActivities\" && req.method === \"POST\") {\n try {\n const formData = await req.formData();\n const sparkText = formData.get(\"sparkText\");\n if (!sparkText) throw new Error(\"'sparkText' is required.\");\n const prompt = sparkGuideSystemPromptTemplate.replace(\"%%SPARK_TEXT%%\", sparkText);\n const result = await callAI(prompt, \"\");\n if (result.error) return jsonResponse(result, 500);\n return jsonResponse(result, 200);\n } catch (e) {\n return jsonResponse({ error: \"Server error during activity generation.\", details: e.message }, 500);\n }\n }\n\n if (action === \"executeActivity\" && req.method === \"POST\") {\n try {\n const formData = await req.formData();\n const sparkText = formData.get(\"sparkText\");\n const activityJson = formData.get(\"activityJson\");\n if (!sparkText || !activityJson) throw new Error(\"'sparkText' and 'activityJson' are required.\");\n let prompt = sparkActivityExecutorSystemPromptTemplate\n .replace(\"%%SPARK_TEXT%%\", sparkText)\n .replace(\"%%ACTIVITY_JSON%%\", activityJson);\n const result = await callAI(prompt, \"\");\n if (result.error) return jsonResponse(result, 500);\n return jsonResponse(result, 200);\n } catch (e) {\n return jsonResponse({ error: \"Server error during activity execution.\", details: e.message }, 500);\n }\n }\n\n const html = generateHtmlShell(sourceUrl);\n return new Response(html, { status: 200, headers: { \"Content-Type\": \"text/html\" } });\n}","deleted","label",[98],"permalink","https://www.val.town/x/Get/Storyquest/code/main.tsx","extension","actionData","errors"]