Include repo domain and hash in posthog events

- so we can understand and prioritise forge support

apps/desktop/src/lib/analytics/posthog.ts

@@ -1,6 +1,7 @@
 import { getVersion, getName } from '@tauri-apps/api/app';
 import { posthog } from 'posthog-js';
 import type { User } from '$lib/stores/user';
+import type { RepoInfo } from '$lib/url/gitUrl';
 import { PUBLIC_POSTHOG_API_KEY } from '$env/static/public';
 
 export async function initPostHog() {
@@ -34,6 +35,18 @@ export function resetPostHog() {
 }
 
 export function capture(eventName: string, properties: any = undefined) {
-	console.log('PostHog event', eventName, properties);
 	posthog.capture(eventName, properties);
 }
+
+/**
+ * Include repo information for all events for the remainder of the session,
+ * or until cleared.
+ */
+export function setPostHogRepo(repo: RepoInfo | undefined) {
+	if (repo) {
+		posthog.register_for_session({ repoDomain: repo.domain, repoHash: repo.hash });
+	} else {
+		posthog.unregister_for_session('repoDomain');
+		posthog.unregister_for_session('repoHash');
+	}
+}

apps/desktop/src/lib/url/gitUrl.ts

@@ -1,3 +1,4 @@
+import { hashCode } from '@gitbutler/ui/utils/string';
 import gitUrlParse from 'git-url-parse';
 
 export type RepoInfo = {
@@ -6,18 +7,21 @@ export type RepoInfo = {
 	owner: string;
 	organization?: string;
 	protocol?: string;
+	hash?: string;
 };
 
 export function parseRemoteUrl(url: string): RepoInfo | undefined {
 	try {
 		const { protocol, name, owner, organization, resource } = gitUrlParse(url);
+		const hash = hashCode(name + '|' + owner + '|' + name + '|' + organization);
 
 		return {
 			protocol,
 			domain: resource,
 			name,
 			owner,
-			organization
+			organization,
+			hash
 		};
 	} catch {
 		return undefined;

apps/desktop/src/routes/[projectId]/+layout.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { setPostHogRepo } from '$lib/analytics/posthog';
 	import { Project, ProjectService } from '$lib/backend/projects';
 	import { TemplateService } from '$lib/backend/templateService';
 	import FileMenuAction from '$lib/barmenuActions/FileMenuAction.svelte';
@@ -146,6 +147,10 @@
 		listServiceStore.set(ghListService);
 		forgeStore.set(forge);
 		prService.set(forge ? forge.prService() : undefined);
+		setPostHogRepo(repoInfo);
+		return () => {
+			setPostHogRepo(undefined);
+		};
 	});
 
 	// Once on load and every time the project id changes

packages/ui/src/lib/utils/string.ts

@@ -13,18 +13,15 @@ export function camelCaseToTitleCase(input: string) {
 	return result;
 }
 
-export function hashCode(s: string) {
-	let hash = 0;
-	let chr;
-	let i;
+export function hashCode(value: string) {
+	let hash = 5381; // Starting with a prime number
 
-	if (s.length === 0) return hash.toString();
-	for (i = 0; i < s.length; i++) {
-		chr = s.charCodeAt(i);
-		hash = (hash << 5) - hash + chr;
-		hash |= 0; // Convert to 32bit integer
+	for (let i = 0; i < value.length; i++) {
+		hash = (hash * 33) ^ value.charCodeAt(i); // Bitwise XOR and multiplication
 	}
-	return hash.toString();
+
+	// Convert to an unsigned 32-bit integer, then to a hexadecimal string
+	return (hash >>> 0).toString(16);
 }
 
 export function isChar(char: string) {