Anesthesiology Simulator

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HR--

BP--/--

SpO₂--

ETCO₂--

Simulation Log

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\n\n\n\n`;\n}\n\n// --- BACKEND LOGIC ---\nexport default async function(req: Request) {\n const url = new URL(req.url);\n const action = url.searchParams.get(\"action\");\n await initializeDatabase();\n const openai = new OpenAI();\n\n const extractJson = (text: string) => {\n const match = text.match(/\\{.*\\}/s);\n if (!match) throw new Error(\"No valid JSON object found in AI response.\");\n return JSON.parse(match[0]);\n };\n\n try {\n if (req.method === \"POST\") {\n switch (action) {\n case \"startSimulation\": {\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [{ role: \"system\", content: SCENARIO_GENERATOR_PROMPT }],\n response_format: { type: \"json_object\" },\n });\n const content = completion.choices[0].message.content;\n const { patient_profile, initial_vitals } = extractJson(content);\n\n const simId = crypto.randomUUID();\n const initialLog = [{\n sender: \"ai\",\n text: \"New case started. Patient is in the preoperative holding area. Please state your initial actions.\",\n timestamp: new Date().toISOString(),\n }];\n\n await sqlite.execute({\n sql:\n \"INSERT INTO anesthesia_sim_simulations (id, user_id, patient_profile, current_vitals, log) VALUES (:id, :user_id, :patient_profile, :current_vitals, :log)\",\n args: {\n id: simId,\n user_id: \"default_user\",\n patient_profile: JSON.stringify(patient_profile),\n current_vitals: JSON.stringify(initial_vitals),\n log: JSON.stringify(initialLog),\n },\n });\n\n return new Response(JSON.stringify({ simId, patient_profile, initial_vitals, log: initialLog }), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n case \"processAction\": {\n const { simId, userAction } = await req.json();\n if (!simId || !userAction) throw new Error(\"Simulation ID and user action are required.\");\n\n const simStateResult = await sqlite.execute({\n sql: \"SELECT patient_profile, current_vitals, log FROM anesthesia_sim_simulations WHERE id = :simId\",\n args: { simId },\n });\n if (simStateResult.rows.length === 0) throw new Error(\"Simulation not found.\");\n\n const [patient_profile_str, current_vitals_str, log_str] = simStateResult.rows[0];\n const patient_profile = JSON.parse(patient_profile_str as string);\n const current_vitals = JSON.parse(current_vitals_str as string);\n let log = JSON.parse(log_str as string);\n\n const promptContent = `Current Scenario:\n - Patient: ${JSON.stringify(patient_profile)}\n - Current Vitals: ${JSON.stringify(current_vitals)}\n - Simulation Log (last 3 entries): ${JSON.stringify(log.slice(-3))}\n - User's Proposed Action: \"${userAction}\"\n \n Process this action and respond with the specified JSON object.`;\n\n const completion = await openai.chat.completions.create({\n model: \"gpt-4o\",\n messages: [\n { role: \"system\", content: ACTION_PROCESSOR_PROMPT },\n { role: \"user\", content: promptContent },\n ],\n response_format: { type: \"json_object\" },\n });\n\n const new_state = extractJson(completion.choices[0].message.content);\n\n log.push({ sender: \"user\", text: userAction, timestamp: new Date().toISOString() });\n log.push({\n sender: \"ai\",\n text: `${new_state.observation} ${new_state.response.text}`,\n isCritical: new_state.isCritical,\n timestamp: new Date().toISOString(),\n });\n\n await sqlite.execute({\n sql:\n \"UPDATE anesthesia_sim_simulations SET current_vitals = :current_vitals, log = :log, updated_at = datetime('now') WHERE id = :id\",\n args: {\n id: simId,\n current_vitals: JSON.stringify(new_state.vitals),\n log: JSON.stringify(log),\n },\n });\n\n return new Response(JSON.stringify(new_state), {\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n }\n }\n\n if (req.method === \"GET\" && action === \"getSimulation\") {\n const simId = url.searchParams.get(\"simId\");\n if (!simId) throw new Error(\"Simulation ID is required.\");\n\n const simDataResult = await sqlite.execute({\n sql: \"SELECT patient_profile, current_vitals, log FROM anesthesia_sim_simulations WHERE id = :simId\",\n args: { simId },\n });\n\n if (simDataResult.rows.length === 0) {\n return new Response(JSON.stringify({ error: \"Simulation not found\" }), {\n status: 404,\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n const [patient_profile, current_vitals, log] = simDataResult.rows[0];\n const responsePayload = {\n patient_profile: JSON.parse(patient_profile as string),\n current_vitals: JSON.parse(current_vitals as string),\n log: JSON.parse(log as string),\n };\n\n return new Response(JSON.stringify(responsePayload), { headers: { \"Content-Type\": \"application/json\" } });\n }\n } catch (error) {\n console.error(\"Anesthesiology Sim Error:\", error);\n return new Response(JSON.stringify({ error: error.message }), {\n status: 500,\n headers: { \"Content-Type\": \"application/json\" },\n });\n }\n\n const sourceUrl = `https://${url.hostname}${url.pathname}`;\n return new Response(generateHtml(sourceUrl), { headers: { \"Content-Type\": \"text/html\" } });\n}","deleted","label",[98],"permalink","https://www.val.town/x/join/anesthesia/code/main.tsx","extension","actionData","errors"]