Create model-server.js

Author: backspaces

model-server.js

@@ -0,0 +1,82 @@
+// https://docs.deno.com/runtime/tutorials/how_to_with_npm/express
+
+import * as util from 'https://code.agentscript.org/src/utils.js'
+import Model from 'https://code.agentscript.org/models/HelloModel.js'
+import express from "npm:[email protected]"
+import cors from "npm:[email protected]"  // You might need to adjust the version or import method for Deno
+
+const app = express() // https://expressjs.com/en/api.html#app.use
+app.use(express.json())  // Make sure Express can parse JSON body data
+app.use(cors())  // Use CORS with default settings: allows all origins
+
+const model = new Model()
+model.setup()
+util.repeat(500, model.step)
+
+const props = `Props: /props /sample /step /turtles /links /patches 
+  /createturtles/number /storedata /getdata`
+
+app.get("/", (req, res) => {
+  res.send(props)
+})
+app.get("/sample", (req, res) => {
+  res.send(JSON.stringify(util.sampleModel(model)))
+})
+app.get("/step", (req, res) => {
+  model.step()
+  res.send(JSON.stringify(util.sampleModel(model)))
+})
+app.get("/turtles", (req, res) => {
+  const ts = model.turtles.map(t => ({
+    id: t.id, x: t.x, y: t.y, z: t.z, theta: t.theta 
+  }))
+  res.send(JSON.stringify(ts))
+})
+app.get("/links", (req, res) => {
+  const ls = model.links.map(l => ({
+    end0: l.end0.id, end1: l.end1.id
+  }))
+  res.send(JSON.stringify(ls))
+})
+app.get("/patches", (req, res) => {
+  const ps = model.patches.map(p => ({
+    id: p.id, 
+    neighbors: p.neighbors.map(n => n.id), 
+    neighbors4: p.neighbors4.map(n4 => n4.id)
+  }))
+  res.send(JSON.stringify(ps))
+})
+app.get("/props", (req, res) => {
+  const props = `Props: /step /turtles /links /patches 
+  /createturtles/number /storedata /getdata`
+  res.send(props)
+})
+app.get('/createturtles/:number', (req, res) => {
+    const number = parseInt(req.params.number, 10)
+    if (isNaN(number) || number < 1) {
+      res.status(400).send('Invalid number of turtles')
+    } else {
+      const turtles = model.turtles.create(number)
+      res.json(turtles)
+    }
+})
+
+const kv = await Deno.openKv()
+kv.set(['mydata'], {}) // debug: reset every deploy
+app.put('/storedata', async (req, res) => {
+    const data = req.body
+    console.log('data', data)
+    try {
+        await kv.set(['mydata'], data) 
+        res.status(200).send('Data stored successfully')
+    } catch (error) {
+        res.status(500).send('Failed to store data')
+    }
+})
+app.get("/getdata", async (req, res) => {
+  const result = await kv.get(['mydata'])
+  console.log('result', result.value)
+  res.send(result.value)
+})
+
+app.listen(8000)