All files / lib/communication/handlers blog-lifecycle.handler.ts

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import type { Dal } from "../../../dal";
import type { CommunicationGateway } from "../gateway";
import type { CommunicationEventType, CommunicationRequest } from "../types";
 
export type BlogLifecyclePayload = {
	proId: string;
	blogId: string;
	blogTitle: string;
	blogUrl?: string;
	approvalUrl?: string;
};
 
export class BlogLifecycleHandler {
	constructor(
		private gateway: CommunicationGateway,
		private dal: Dal,
	) {}
 
	async handleApprovalRequest(payload: BlogLifecyclePayload): Promise<void> {
		await this.sendToOwnersAndManagers(
			payload,
			"blog_approval_request",
			"blog-approval-request",
			`Review Required: ${payload.blogTitle}`,
		);
	}
 
	async handleApprovalReminder(payload: BlogLifecyclePayload): Promise<void> {
		await this.sendToOwnersAndManagers(
			payload,
			"blog_approval_reminder",
			"blog-approval-reminder",
			`Reminder: Blog approval needed - ${payload.blogTitle}`,
		);
	}
 
	async handlePublished(payload: BlogLifecyclePayload): Promise<void> {
		await this.sendToOwnersAndManagers(
			payload,
			"blog_published",
			"blog-published",
			`Your blog is live: ${payload.blogTitle}`,
		);
	}
 
	private async sendToOwnersAndManagers(
		payload: BlogLifecyclePayload,
		eventType: CommunicationEventType,
		template: string,
		subject: string,
	): Promise<void> {
		const teamMembers = await this.dal.userTenantRoles.getProUsersWithContact(
			payload.proId,
		);
		const ownersAndManagers = teamMembers.filter(
			(m) => m.role === "owner" || m.role === "manager",
		);
		if (ownersAndManagers.length === 0) return;
 
		const requests: CommunicationRequest[] = ownersAndManagers.map(
			(member) => ({
				channel: "email" as const,
				recipient: member.email,
				eventType,
				proId: payload.proId,
				userId: member.userId,
				metadata: { blogId: payload.blogId },
				content: {
					template,
					subject,
					props: {
						blogTitle: payload.blogTitle,
						blogUrl: payload.blogUrl,
						approvalUrl: payload.approvalUrl,
					},
					recipientName: member.name,
				},
			}),
		);
 
		await this.gateway.sendMany(requests);
	}
}