Doodlebot revised connection flow

.devcontainer/devcontainer.json

@@ -0,0 +1,30 @@
+{
+  "postStartCommand": "pnpm config set store-dir /home/vscode/.local/share/pnpm/store && pnpm install",
+  "customizations": {
+    "vscode": {
+      "extensions": [
+        "ms-vscode.vscode-typescript-next",
+        "esbenp.prettier-vscode",
+        "svelte.svelte-vscode"
+      ],
+      "settings": {
+        "[svelte]": {
+          "editor.defaultFormatter": "svelte.svelte-vscode"
+        },
+        "[typescript]": {
+          "editor.defaultFormatter": "esbenp.prettier-vscode"
+        },
+        "editor.formatOnSave": true,
+        "editor.tabSize": 2,
+        "svelte.enable-ts-plugin": true
+      }
+    }
+  },
+  "features": {
+    "ghcr.io/devcontainers/features/node:latest": {
+      "version": "20"
+    },
+    "ghcr.io/pmalacho-mit/devcontainer-features/git-subrepo:latest": {}
+  },
+  "image": "mcr.microsoft.com/devcontainers/base:ubuntu-24.04"
+}

.gitignore

@@ -1,3 +1,4 @@
+**/.pnpm-store
 .DS_Store
 ./**/.DS_Store
 

extensions/src/doodlebot/Connect.svelte

@@ -1,7 +1,11 @@
 <script lang="ts">
   import type Extension from ".";
   import { ReactiveInvoke, reactiveInvoke, color } from "$common";
-  import Doodlebot from "./Doodlebot";
+  import {
+    type BLEDeviceWithUartService,
+    getBLEDeviceWithUartService,
+  } from "./ble";
+  import { onDestroy } from "svelte";
 
   export let extension: Extension;
 
@@ -12,62 +16,63 @@
   const invoke: ReactiveInvoke<Extension> = (functionName, ...args) =>
     reactiveInvoke((extension = extension), functionName, args);
 
-  const storageKeys = {
-    ssid: "doodlebot-ssid",
-    password: "doodlebot-password",
-    ip: "doodlebot-ip",
-  };
-
-  const ipPrefix = "192.168.0.";
+  let connected = extension.connected;
 
-  let error: string;
-  let ssid = localStorage.getItem(storageKeys.ssid) ?? "";
-  let password = localStorage.getItem(storageKeys.password) ?? "";
+  let error: string | null = null;
 
-  const savedIP = localStorage.getItem(storageKeys.ip);
-  const ipParts = [
-    savedIP?.split(".")[0] ?? "192",
-    savedIP?.split(".")[1] ?? "168",
-    savedIP?.split(".")[2] ?? "0",
-    savedIP?.split(".")[3] ?? "0",
-  ];
+  let bleDevice: BLEDeviceWithUartService | null = null;
+  let topLevelDomain: string | null = null;
+  let topLevelDomainOverride: string =
+    new URLSearchParams(window.location.search).get("tld") ?? "";
 
-  const inputs = {
-    ssid: null as HTMLInputElement,
-    password: null as HTMLInputElement,
+  const errorOut = (message: string, err?: Error) => {
+    invoke("setIndicator", "disconnected");
+    if (err) console.error(err);
+    error = message;
   };
 
-  const createConnection = async () => {
-    const ipOverride =
-      ipParts.filter(Boolean).length === 4 ? ipParts.join(".") : undefined;
-
+  const retrieveDevice = async () => {
     try {
-      const doodlebot = await Doodlebot.tryCreate(bluetooth, {
-        credentials: { ssid, password, ipOverride },
-        requestBluetooth: extension.requestBluetooth.bind(extension),
-        saveIP: (ip) => localStorage.setItem(storageKeys.ip, ip),
-      });
-
-      invoke("setDoodlebot", doodlebot);
-      localStorage.setItem(storageKeys.ssid, ssid);
-      localStorage.setItem(storageKeys.password, password);
-      if (ipOverride) localStorage.setItem(storageKeys.ip, ipOverride);
-      close();
+      const result = await getBLEDeviceWithUartService(bluetooth);
+      if ("error" in result) {
+        invoke("setIndicator", "disconnected");
+        error = result.error;
+      } else {
+        bleDevice = result;
+        topLevelDomain = result.device.name;
+        if (!topLevelDomain.endsWith(".direct.mitlivinglab.org"))
+          topLevelDomain += ".direct.mitlivinglab.org";
+      }
     } catch (err) {
-      invoke("setIndicator", "disconnected");
-      console.error(err);
-      error =
+      errorOut(
         err.message === "Bluetooth adapter not available."
           ? "Your device does not support BLE connections."
           : err.message == "User cancelled the requestDevice() chooser."
             ? "You must select a device to connect to. Please try again."
             : err.message !== "User cancelled the requestDevice() chooser."
               ? "There was a problem connecting your device, please try again or request assistance."
-              : err.message;
+              : err.message,
+        err
+      );
     }
   };
 
-  let showAdvanced = true;
+  const setConnection = () => {
+    if (!bleDevice || !topLevelDomain)
+      return errorOut("You must select a device to connect to.");
+    extension.setDoodlebot(topLevelDomainOverride || topLevelDomain, bleDevice);
+    extension.connected = true;
+    close();
+  };
+
+  let showAdvanced = false;
+
+  onDestroy(() => {
+    if (!connected)
+      try {
+        extension.setIndicator("disconnected");
+      } catch (e) {}
+  });
 </script>
 
 <div
@@ -76,33 +81,39 @@
   style:background-color={color.ui.white}
   style:color={color.text.primary}
 >
-  {#if error}
-    <div class="error">
-      {error}
+  {#if connected}
+    <h1>You're connected to doodlebot!</h1>
+    <div>
+      If you'd like to reconnect, or connect to a different device, you must
+      reload this page.
     </div>
-  {/if}
-  {#if bluetooth}
-    <h1>How to connect to doodlebot</h1>
     <div>
-      <h3>1. Set network credentials:</h3>
-      <p>
-        SSID (Network Name):
-        <input
-          bind:this={inputs.ssid}
-          bind:value={ssid}
-          type="text"
-          placeholder="e.g. my_wifi"
-        />
-      </p>
-      <p>
-        Password:
-        <input
-          bind:this={inputs.password}
-          bind:value={password}
-          type="password"
-          placeholder="e.g. 12345"
-        />
-      </p>
+      <button on:click={() => window.location.reload()}> Reload </button>
+    </div>
+  {:else}
+    {#if error}
+      <div class="error">
+        {error}
+      </div>
+    {/if}
+    {#if bluetooth}
+      <h1>Please connect to a doodlebot...</h1>
+      <div>
+        <h3>...by selecting a bluetooth device</h3>
+        <button class="open" on:click={retrieveDevice}>
+          Open Bluetooth Menu
+        </button>
+        {#if bleDevice}
+          You've selected 🤖 <strong>{bleDevice.device.name}</strong>.
+        {/if}
+      </div>
+      <div style:margin-top="20px">
+        <button
+          class="connect"
+          disabled={!bleDevice || !topLevelDomain}
+          on:click={setConnection}>Connect</button
+        >
+      </div>
       <div>
         <button
           class="collapser"
@@ -115,31 +126,18 @@
           style:max-height={showAdvanced ? "fit-content" : "0"}
         >
           <p>
-            IP:
-            {#each ipParts as part, i}
-              <input
-                class="ip"
-                bind:this={inputs.password}
-                bind:value={ipParts[i]}
-                type="text"
-                placeholder="e.g. 192"
-              />
-              {i < ipParts.length - 1 ? "." : ""}
-            {/each}
+            Use top level domain:
+            <input type="text" bind:value={topLevelDomainOverride} />
+            {#if topLevelDomain}
+              (instead of '{topLevelDomain}')
+            {/if}
           </p>
         </div>
       </div>
-    </div>
-    <div>
-      <h3>2. Select bluetooth device</h3>
-
-      <button disabled={!password || !ssid} on:click={createConnection}>
-        Open Bluetooth Menu
-      </button>
-    </div>
-  {:else}
-    Uh oh! Your browser does not support bluetooth. Here's how to fix that...
-    TBD
+    {:else}
+      Uh oh! Your browser does not support bluetooth. Please contact an
+      instructor.
+    {/if}
   {/if}
 </div>
 
@@ -165,7 +163,70 @@
     outline: none;
   }
 
-  .ip {
-    width: 3rem;
+  .open {
+    background-color: dodgerblue;
+    border: 1px solid dodgerblue;
+    border-radius: 4px;
+    box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
+    box-sizing: border-box;
+    color: #fff;
+    cursor: pointer;
+    font-family:
+      "Akzidenz Grotesk BQ Medium",
+      -apple-system,
+      BlinkMacSystemFont,
+      sans-serif;
+    font-size: 16px;
+    font-weight: 600;
+    outline: none;
+    outline: 0;
+    padding: 5px 15px;
+    text-align: center;
+    transform: translateY(0);
+    transition:
+      transform 150ms,
+      box-shadow 150ms;
+    user-select: none;
+    -webkit-user-select: none;
+    touch-action: manipulation;
+  }
+
+  /* CSS */
+  .connect {
+    background-color: #13aa52;
+    border: 1px solid #13aa52;
+    border-radius: 4px;
+    box-shadow: rgba(0, 0, 0, 0.1) 0 2px 4px 0;
+    box-sizing: border-box;
+    color: #fff;
+    cursor: pointer;
+    font-family:
+      "Akzidenz Grotesk BQ Medium",
+      -apple-system,
+      BlinkMacSystemFont,
+      sans-serif;
+    font-size: 16px;
+    font-weight: 600;
+    outline: none;
+    outline: 0;
+    padding: 10px 25px;
+    text-align: center;
+    transform: translateY(0);
+    transition:
+      transform 150ms,
+      box-shadow 150ms;
+    user-select: none;
+    -webkit-user-select: none;
+    touch-action: manipulation;
+  }
+
+  .connect:disabled {
+    opacity: 0.5;
+    cursor: not-allowed;
+  }
+
+  .connect:not(:disabled):hover {
+    box-shadow: rgba(0, 0, 0, 0.15) 0 3px 9px 0;
+    transform: translateY(-2px);
   }
 </style>