feat: added telemetry collection via posthog (#116)

Author: MihalyToth20

.changeset/salty-cases-change.md

@@ -0,0 +1,5 @@
+---
+"@calycode/cli": minor
+---
+
+feat: Posthog integration and basic telemetry collection

packages/cli/package.json

@@ -44,12 +44,12 @@
     "homepage": "https://github.com/calycode/xano-tools/tree/main/packages/cli#readme",
     "devDependencies": {
         "@calycode/core": "workspace:*",
+        "@clack/prompts": "^0.11.0",
         "@repo/types": "workspace:*",
         "@repo/utils": "workspace:*",
-        "shx": "^0.4.0",
-        "@clack/prompts": "^0.11.0",
         "commander": "^14.0.0",
         "js-yaml": "^4.1.0",
+        "shx": "^0.4.0",
         "tar": "^7.4.3"
     },
     "scripts": {
@@ -58,5 +58,8 @@
         "build:chmod": "shx chmod +x dist/index.cjs",
         "build": "pnpm build:js && pnpm build:chmod && pnpm link -g",
         "xano": "node dist/index.cjs"
+    },
+    "dependencies": {
+        "posthog-node": "^5.9.2"
     }
 }

packages/cli/src/commands/setup-instance.ts

@@ -1,4 +1,4 @@
-import { intro, text, password, confirm } from '@clack/prompts';
+import { intro, text, password, confirm, log } from '@clack/prompts';
 import { sanitizeInstanceName } from '@repo/utils';
 import { ensureGitignore, withErrorHandler } from '../utils/index';
 
@@ -41,6 +41,24 @@ async function setupInstanceWizard(core) {
       })) as boolean;
    }
 
+   log.info(
+      `
+      Thank you for using @calycode/cli! 🚀
+
+      To help us improve, we collect anonymous telemetry data via our PostHog instance.
+      Here’s exactly what we track:
+        • Command names (e.g., generate-oas)
+        • Command duration
+        • Technical data:
+            – IP address (IPv6)
+            – Timestamp
+            – PostHog library version
+
+      By continuing to use @calycode/cli, you consent to this data collection.
+      We appreciate your support and commitment to making @calycode/cli better!
+      `
+   );
+
    // Run the core setup logic
    await core.setupInstance({
       name: instanceName,

packages/cli/src/program.ts

@@ -14,6 +14,7 @@ import { registerRegistryAddCommand, registerRegistryScaffoldCommand } from './c
 import { registerOasServeCommand, registerRegistryServeCommand } from './commands/serve';
 import { registerBuildXanoscriptRepoCommand } from './commands/generate-xanoscript-repo';
 import { Caly } from '@calycode/core';
+import { InitializedPostHog } from './utils/posthog/init';
 import { nodeConfigStorage } from './node-config-storage';
 
 const commandStartTimes = new WeakMap<Command, number>();
@@ -23,11 +24,22 @@ const program = new Command();
 const core = new Caly(nodeConfigStorage);
 
 // Store start time on the command object
-program.hook('preAction', (thisCommand) => {
+program.hook('preAction', (thisCommand, actionCommand) => {
+  console.log(actionCommand.name());
   commandStartTimes.set(thisCommand, Date.now());
+  // [ ] Add some system information to the capture
+  InitializedPostHog.capture({
+    distinctId: 'anonymous',
+    event: 'command_started',
+    properties: {
+      "command": actionCommand.name()
+    }
+  });
+  InitializedPostHog.shutdown();
 });
 
 program.hook('postAction', (thisCommand, actionCommand) => {
+  console.log(actionCommand.name());
   const start = commandStartTimes.get(thisCommand);
   if (!start) {
     // Could happen if preAction failed, or if there's a bug
@@ -42,6 +54,16 @@ program.hook('postAction', (thisCommand, actionCommand) => {
     : actionCommand.name();
 
   console.log(`\n⏱️  Command "${commandPath}" completed in ${duration}s`);
+  // [ ] Add some outcome capture in a very anonymous manner
+  InitializedPostHog.capture({
+    distinctId: 'anonymous',
+    event: 'command_finished',
+    properties: {
+      "command": actionCommand.name(),
+      duration: duration
+    }
+  });
+  InitializedPostHog.shutdown();
 });
 
 program

packages/cli/src/utils/posthog/init.ts

@@ -0,0 +1,7 @@
+import { PostHog } from 'posthog-node';
+
+const InitializedPostHog = new PostHog('phc_MrSAUUthn4y0PWjbxVt9a9ys7TrQKMQhdYvErJFPvE3', {
+   host: 'https://eu.i.posthog.com',
+});
+
+export { InitializedPostHog };