perf(core): Cache webhooks (#6825)

* refactor: Initial setup

* Refactor for clarity

* Comments to clarify

* More replacements

* Simplify with `fullPath`

* Fix tests

* Implement remaining methods

* chore: Fix misresolved conflicts

* Simplify syntax

* Reduce diff

* Minor cleanup

* Fix lint

* Inject dependency

* Improve typings

* Remove unused method

* Restore method

* Add comment

* Rename in test

* Restore comments

* Clean up dynamic webhook handling

* Clean up tests

* Remove redundant `cache` prefix

* fix: Correct `uniquePath` for dynamic webhooks

packages/cli/src/databases/entities/WebhookEntity.ts

@@ -21,4 +21,31 @@ export class WebhookEntity {
 
 	@Column({ nullable: true })
 	pathLength?: number;
+
+	/**
+	 * Unique section of production webhook path, appended to `${instanceUrl}/webhook/`.
+	 * - Example for static UUID webhook: `87dd035f-9606-47b7-b443-8b675fe25719`
+	 * - Example for static user-defined webhook: `user/:id/posts`
+	 * - Example for dynamic webhook: `7e0e2b2a-19ba-4a6c-b452-4b46c0e11749/user/:id/posts`
+	 */
+	private get uniquePath() {
+		return this.webhookPath.includes(':')
+			? [this.webhookId, this.webhookPath].join('/')
+			: this.webhookPath;
+	}
+
+	get cacheKey() {
+		return `webhook:${this.method}-${this.uniquePath}`;
+	}
+
+	get staticSegments() {
+		return this.webhookPath.split('/').filter((s) => !s.startsWith(':'));
+	}
+
+	/**
+	 * Whether the webhook has at least one dynamic path segment, e.g. `:id` in `<uuid>/user/:id/posts`.
+	 */
+	get isDynamic() {
+		return this.webhookPath.split('/').some((s) => s.startsWith(':'));
+	}
 }