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path: root/static/js/controllers/comments_controller.js
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/* @license 
magnet:?xt=urn:btih:0b31508aeb0634b347b8270c7bee4d411b5d4109&dn=agpl-3.0.txt AGPL-3.0 
@license-end */

import { BaseController } from "./base_controller.js";
import { PaginationController } from "./pagination_controller.js";

export class CommentsController extends BaseController {
	constructor(replies_controller) {
		super();
		this.replies_controller = replies_controller;
		this.comments_node = document.getElementById("comments-thread");
		this.paginator = new PaginationController(this.comments_server_host, "/api/comments", this.post, 
																							this.replies_controller);
		this.renderForm();
		this.renderComments();
	}

	renderForm() {
		this.get("/api/comments/new").then((value) => {
			const form = value?.getElementById("comment-form");

			if (form != null) {
				this.comments_node.appendChild(form);
				this.form_element = document.getElementById("comment-form");
				this.form_element.addEventListener("submit", this.submit.bind(this));
			}
		});
	}

	renderComments() {
		this.get(`/api/comments?path=${this.post}`).then((value) => {
			const comments = value?.getElementById("comment-section");

			if (comments != null) {
				this.comments_node.appendChild(comments);
				this.replies_controller.init();
				this.paginator.populatePageAnchors();
			}
		});
	}

	renderSubmitResponse(response_document) {
		const new_comments = this.htmlFromResponse(response_document).getElementById("comment-section");
		const comments = document.getElementById("comment-section");
		comments.replaceWith(new_comments);
	}

	async submit(event) {
		var form = new FormData(event.target);
		form.append("domain", `${window.location.protocol}//${window.location.host}`);

		super.submit(event, `${this.comments_server_host}/api/comments?path=${this.post}`, form);
	}
}