Kommentare ohne js verfassen
This commit is contained in:
Generated
+1
-1
@@ -1,6 +1,6 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<project version="4">
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<component name="dataSourceStorageLocal" created-in="IU-261.25134.95">
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<component name="dataSourceStorageLocal" created-in="IU-253.32098.101">
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<data-source name="articles" uuid="315cb5c9-2b0f-435b-b602-59823b160908">
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<database-info product="SQLite" version="3.51.1" jdbc-version="4.2" driver-name="SQLite JDBC" driver-version="3.51.1.0" dbms="SQLITE" exact-version="3.51.1" exact-driver-version="3.51">
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<identifier-quote-string>"</identifier-quote-string>
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+92
-12
@@ -5,6 +5,34 @@ $repliesByParent = [];
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$articleObj = null;
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include_once 'php/controller/showArticle-controller.php';
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/*
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* Ermittelt, ob ohne JavaScript auf einen Kommentar
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* geantwortet werden soll.
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*/
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$replyTo = filter_input(
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INPUT_GET,
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"reply_to",
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FILTER_VALIDATE_INT
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);
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$replyAuthor = null;
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if ($replyTo !== false && $replyTo !== null) {
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foreach ($mainComments as $mainComment) {
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if ($mainComment->getId() === $replyTo) {
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$replyAuthor = $mainComment->getAuthor();
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break;
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}
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}
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}
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/*
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* Eine Antwort darf nur auf einen existierenden
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* Hauptkommentar geschrieben werden.
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*/
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if ($replyAuthor === null) {
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$replyTo = null;
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}
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?>
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<!--
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Seite: Anzeige für Beiträge
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@@ -17,8 +45,6 @@ include_once 'php/controller/showArticle-controller.php';
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<!-- Metadaten & Titel -->
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<div class="article-view-top-section">
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<div class="article-view-top-section">
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<div class="category-and-likes-row">
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<?php if (isset($category) && !empty($category)): ?>
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<span class="article-view-category"><?php echo htmlspecialchars($category); ?></span>
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@@ -106,9 +132,24 @@ include_once 'php/controller/showArticle-controller.php';
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</div>
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<?php endif; ?>
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<section class="article-comments-section">
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<section class="article-comments-section" id="comments">
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<h2>Kommentare</h2>
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<?php if (isset($_SESSION["comment_message"])): ?>
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<div class="alert-message <?php
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echo ($_SESSION["comment_message_type"] ?? "") === "success"
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? "is-success"
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: "is-error";
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?>">
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<?php echo htmlspecialchars($_SESSION["comment_message"]); ?>
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</div>
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<?php
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unset($_SESSION["comment_message"]);
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unset($_SESSION["comment_message_type"]);
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?>
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<?php endif; ?>
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<div id="comments-list">
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<?php if (!empty($mainComments)): ?>
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<?php foreach ($mainComments as $comment): ?>
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@@ -121,12 +162,22 @@ include_once 'php/controller/showArticle-controller.php';
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<p><?php echo nl2br(htmlspecialchars($comment->getContent())); ?></p>
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<?php if (isset($_SESSION["user_email"])): ?>
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<button type="button"
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class="reply-button"
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data-comment-id="<?php echo htmlspecialchars($comment->getId()); ?>"
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data-author="<?php echo htmlspecialchars($comment->getAuthor()); ?>">
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<a href="index.php?pfad=<?php
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echo urlencode($_GET["pfad"] ?? "showArticle");
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?>&id=<?php
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echo urlencode((string) ($_GET["id"] ?? ""));
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?>&reply_to=<?php
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echo urlencode((string) $comment->getId());
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?>#comment-form"
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class="reply-button"
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data-comment-id="<?php echo htmlspecialchars(
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(string) $comment->getId()
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); ?>"
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data-author="<?php echo htmlspecialchars(
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$comment->getAuthor()
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); ?>">
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Antworten
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</button>
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</a>
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<?php endif; ?>
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<div class="comment-replies">
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@@ -153,17 +204,46 @@ include_once 'php/controller/showArticle-controller.php';
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</div>
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<?php if (isset($_SESSION["user_email"])): ?>
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<form id="comment-form">
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<form id="comment-form"
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method="post"
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action="php/ajax/add-comment.php">
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<input type="hidden"
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name="article_id"
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value="<?php echo htmlspecialchars($_GET["id"] ?? ""); ?>">
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value="<?php echo htmlspecialchars(
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(string) ($_GET["id"] ?? "")
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); ?>">
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<input type="hidden"
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name="parent_comment_id"
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id="parent-comment-id"
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value="">
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value="<?php echo $replyTo !== null
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? htmlspecialchars((string) $replyTo)
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: "";
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?>">
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<p id="reply-info" class="reply-info" style="display: none;"></p>
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<p id="reply-info"
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class="reply-info"
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<?php if ($replyAuthor === null): ?>
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style="display: none;"
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<?php endif; ?>>
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<?php if ($replyAuthor !== null): ?>
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Antwort auf <?php echo htmlspecialchars($replyAuthor); ?>
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<a href="index.php?pfad=<?php
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echo urlencode($_GET["pfad"] ?? "showArticle");
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?>&id=<?php
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echo urlencode((string) ($_GET["id"] ?? ""));
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?>#comment-form">
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Abbrechen
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</a>
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<?php endif; ?>
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</p>
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<label for="comment-content">
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Kommentar
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</label>
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<textarea name="content"
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id="comment-content"
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+23
-14
@@ -16,14 +16,20 @@ document.addEventListener("DOMContentLoaded", function () {
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}
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/**
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* Aktiviert einen einzelnen Antworten-Button.
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* Aktiviert einen einzelnen Antworten-Link.
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*
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* @param {HTMLButtonElement} button Antworten-Button
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* @param {HTMLAnchorElement} replyLink Antworten-Link
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*/
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function registerReplyButton(button) {
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button.addEventListener("click", function () {
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parentCommentInput.value = button.dataset.commentId;
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replyInfo.textContent = "Antwort auf " + button.dataset.author;
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function registerReplyButton(replyLink) {
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replyLink.addEventListener("click", function (event) {
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/*
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* Mit JavaScript wird die Seite nicht neu geladen.
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* Ohne JavaScript funktioniert der normale Link.
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*/
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event.preventDefault();
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parentCommentInput.value = replyLink.dataset.commentId;
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replyInfo.textContent = "Antwort auf " + replyLink.dataset.author;
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replyInfo.style.display = "block";
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commentContent.focus();
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});
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@@ -45,9 +51,12 @@ document.addEventListener("DOMContentLoaded", function () {
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const formData = new FormData(form);
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const parentCommentId = parentCommentInput.value;
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fetch("php/ajax/add-comment.php", {
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fetch(form.action, {
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method: "POST",
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body: formData
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body: formData,
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headers: {
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"X-Requested-With": "XMLHttpRequest"
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}
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})
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.then(response => response.json())
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.then(data => {
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@@ -94,12 +103,12 @@ document.addEventListener("DOMContentLoaded", function () {
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</p>
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<p>${escapeHtml(data.content).replace(/\n/g, "<br>")}</p>
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<button type="button"
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class="reply-button"
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data-comment-id="${escapeHtml(data.commentId)}"
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data-author="${escapeHtml(data.author)}">
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Antworten
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</button>
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<a href="#comment-form"
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class="reply-button"
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data-comment-id="${escapeHtml(data.commentId)}"
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data-author="${escapeHtml(data.author)}">
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Antworten
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</a>
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<div class="comment-replies"></div>
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`;
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+156
-30
@@ -3,32 +3,153 @@ if (session_status() === PHP_SESSION_NONE) {
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session_start();
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}
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header("Content-Type: application/json");
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require_once "../model/CommentManager.php";
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if (!isset($_SESSION["user_email"])) {
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echo json_encode([
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"success" => false,
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"message" => "Du musst angemeldet sein, um zu kommentieren."
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]);
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/**
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* Prüft, ob die Anfrage durch JavaScript per AJAX gesendet wurde.
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*/
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$isAjaxRequest = isset($_SERVER["HTTP_X_REQUESTED_WITH"])
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&& strtolower($_SERVER["HTTP_X_REQUESTED_WITH"]) === "xmlhttprequest";
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/**
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* Gibt das Ergebnis entweder als JSON zurück oder leitet
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* bei einem normalen Formularaufruf wieder zum Beitrag zurück.
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*
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* @param bool $success War das Speichern erfolgreich?
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* @param string $message Rückmeldung für den Benutzer
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* @param int|null $articleId ID des Beitrags
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* @param array $additionalData Zusätzliche Daten für AJAX
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*/
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function sendCommentResponse(
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$success,
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$message,
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$articleId,
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$additionalData = []
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) {
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global $isAjaxRequest;
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if ($isAjaxRequest) {
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header("Content-Type: application/json; charset=utf-8");
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echo json_encode(
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array_merge(
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[
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"success" => $success,
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"message" => $message
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],
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$additionalData
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)
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);
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exit();
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}
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/*
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* Bei deaktiviertem JavaScript wird die Rückmeldung
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* in der Session gespeichert und die Beitragsseite neu geladen.
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*/
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$_SESSION["comment_message"] = $message;
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$_SESSION["comment_message_type"] = $success ? "success" : "error";
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if ($articleId !== null) {
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header(
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"Location: ../../index.php?pfad=showArticle&id="
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. urlencode((string) $articleId)
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. "#comments"
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);
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} else {
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header("Location: ../../index.php");
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}
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exit();
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}
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$articleId = $_POST["article_id"] ?? null;
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$content = trim($_POST["content"] ?? "");
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$parentCommentId = $_POST["parent_comment_id"] ?? null;
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/*
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* Nur POST-Anfragen dürfen Kommentare erstellen.
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*/
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if ($_SERVER["REQUEST_METHOD"] !== "POST") {
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sendCommentResponse(
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false,
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"Ungültige Anfrage.",
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null
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);
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}
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if ($parentCommentId === "" || $parentCommentId === "0") {
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/*
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* Die Beitrags-ID wird zuerst eingelesen,
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* damit bei Fehlern wieder zum Beitrag zurückgeleitet werden kann.
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*/
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$articleId = filter_input(
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INPUT_POST,
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"article_id",
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FILTER_VALIDATE_INT
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);
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/*
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* Ein Benutzer muss angemeldet sein.
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*/
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if (!isset($_SESSION["user_email"])) {
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sendCommentResponse(
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false,
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"Du musst angemeldet sein, um zu kommentieren.",
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$articleId !== false ? $articleId : null
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);
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}
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/*
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* Weitere Formulardaten einlesen.
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*/
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$content = trim($_POST["content"] ?? "");
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$parentCommentId = filter_input(
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INPUT_POST,
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"parent_comment_id",
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FILTER_VALIDATE_INT
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);
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/*
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* Ein leerer Wert bedeutet, dass es sich um einen
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* normalen Hauptkommentar handelt.
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*/
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if (
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!isset($_POST["parent_comment_id"])
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|| $_POST["parent_comment_id"] === ""
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|| $_POST["parent_comment_id"] === "0"
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) {
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$parentCommentId = null;
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}
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if (empty($articleId) || empty($content)) {
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echo json_encode([
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"success" => false,
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"message" => "Kommentar darf nicht leer sein."
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]);
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exit();
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if ($articleId === false || $articleId === null) {
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sendCommentResponse(
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false,
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"Der zugehörige Beitrag ist ungültig.",
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null
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);
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}
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if ($content === "") {
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sendCommentResponse(
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false,
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"Der Kommentar darf nicht leer sein.",
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$articleId
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);
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}
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/*
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* Eine ungültige Eltern-ID darf nicht gespeichert werden.
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*/
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if (
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isset($_POST["parent_comment_id"])
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&& $_POST["parent_comment_id"] !== ""
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&& $_POST["parent_comment_id"] !== "0"
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&& $parentCommentId === false
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) {
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sendCommentResponse(
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false,
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"Der ausgewählte Kommentar ist ungültig.",
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$articleId
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);
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}
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try {
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@@ -41,18 +162,23 @@ try {
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$parentCommentId
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);
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echo json_encode([
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"success" => true,
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"commentId" => $commentId,
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"author" => $_SESSION["user_email"],
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"content" => $content,
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"created" => date("Y-m-d H:i:s"),
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"parentCommentId" => $parentCommentId
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]);
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sendCommentResponse(
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true,
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"Der Kommentar wurde erfolgreich gespeichert.",
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$articleId,
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[
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"commentId" => $commentId,
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"author" => $_SESSION["user_email"],
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"content" => $content,
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"created" => date("Y-m-d H:i:s"),
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"parentCommentId" => $parentCommentId
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]
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);
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} catch (Exception $e) {
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echo json_encode([
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"success" => false,
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"message" => "Kommentar konnte nicht gespeichert werden."
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]);
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} catch (Throwable $e) {
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sendCommentResponse(
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false,
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"Der Kommentar konnte nicht gespeichert werden.",
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$articleId
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);
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}
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Reference in New Issue
Block a user