load blog on index and footer from graphQL
This commit is contained in:
Jonas Leder
parent
49fa8a89b8
commit
356f839f9a
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@ -1,31 +1,31 @@
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class blogFooter extends HTMLElement {
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constructor(){
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super();
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let xhr = new XMLHttpRequest();
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let ul = document.createElement("ul");
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xhr.onreadystatechange = () => {
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if(xhr.readyState === 4) {
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if (xhr.status === 200) {
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let blog = JSON.parse(xhr.responseText);
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blog.forEach((element) => {
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let li = document.createElement("li");
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let a = document.createElement("a");
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a.href = "/post.html?id=" + element["id"];
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a.innerText = element["title"];
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li.appendChild(a);
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ul.appendChild(li);
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});
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this.appendChild(ul);
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} else {
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let p = document.createElement("p");
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p.innerText = "Leider konnte dieser Inhalt nicht geladen werden, bitte versuche die Seite neu zu laden oder komme später wieder zurück";
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this.appendChild(p);
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this.getBlogEntries();
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}
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}
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async getBlogEntries() {
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let ul = document.createElement("ul");
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this.appendChild(ul);
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var graphql = JSON.stringify({
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query: 'query($count: Int!) { blogPosts(count: $count) { title id }}',
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variables: {
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"count": 5
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}
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}
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xhr.open("GET", "/API/getBlogElements.php?position=footer");
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xhr.send();
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})
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var requestOptions = {
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method: 'POST',
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body: graphql,
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};
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let posts = (await (await fetch("http://localhost:1234/API/graphql.php", requestOptions)).json()).data.blogPosts;
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posts.forEach((element) => {
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let li = document.createElement("li");
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let a = document.createElement("a");
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a.href = "/post.html?id=" + element["id"];
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a.innerText = element["title"];
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li.appendChild(a);
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ul.appendChild(li);
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});
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}
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}
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@ -1,48 +1,48 @@
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class BlogIndex extends HTMLElement {
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constructor() {
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super();
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let xhr = new XMLHttpRequest();
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xhr.onreadystatechange = () => {
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if (xhr.readyState === 4) {
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if (xhr.status === 200) {
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let blog = JSON.parse(xhr.responseText);
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blog.forEach((element) => {
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const article = document.createElement("article");
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article.classList.add("breakWord");
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this.appendChild(article);
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this.getBlogPosts();
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}
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const h2 = document.createElement("h2");
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h2.innerText = element["title"];
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article.appendChild(h2);
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const content = document.createElement("p");
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content.classList.add("breakWord");
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content.innerHTML = element["content"];
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article.appendChild(content);
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const moreP = document.createElement("p");
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moreP.classList.add("center");
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article.appendChild(moreP);
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const moreLink = document.createElement("a");
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moreLink.href = "/post.html?id=" + element["id"];
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moreP.appendChild(moreLink);
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const moreButton = document.createElement("button");
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moreButton.innerText = "Mehr lesen";
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moreLink.appendChild(moreButton);
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});
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} else {
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let p = document.createElement("p");
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p.innerText = "Leider konnte dieser Inhalt nicht geladen werden, bitte versuche die Seite neu zu laden oder komme später wieder zurück";
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this.appendChild(p);
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}
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}
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async getBlogPosts() {
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var graphql = JSON.stringify({
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query: 'query($count: Int! $contentLength: Int!) { blogPosts(count: $count contentLength: $contentLength) { content title id }}',
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variables: {
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"count": 3,
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"contentLength": 300
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}
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xhr.open("GET", "/API/getBlogElements.php?position=index");
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xhr.send();
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})
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var requestOptions = {
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method: 'POST',
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body: graphql,
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};
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let posts = (await (await fetch("http://localhost:1234/API/graphql.php", requestOptions)).json()).data.blogPosts;
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posts.forEach((element) => {
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const article = document.createElement("article");
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article.classList.add("breakWord");
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this.appendChild(article);
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const h2 = document.createElement("h2");
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h2.innerText = element["title"];
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article.appendChild(h2);
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const content = document.createElement("p");
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content.classList.add("breakWord");
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content.innerHTML = element["content"];
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article.appendChild(content);
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const moreP = document.createElement("p");
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moreP.classList.add("center");
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article.appendChild(moreP);
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const moreLink = document.createElement("a");
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moreLink.href = "/post.html?id=" + element["id"];
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moreP.appendChild(moreLink);
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const moreButton = document.createElement("button");
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moreButton.innerText = "Mehr lesen";
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moreLink.appendChild(moreButton);
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});
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}
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}
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@ -1,29 +0,0 @@
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<?php
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include "./lib/config.php";
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include "./lib/mysql.php";
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$position = $_GET['position'];
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if($position == "index"){
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$limit = $homeMaxPost;
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} else if($position == "footer"){
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$limit = $footerMaxPost;
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} else {
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die("wrong parameter");
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}
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$responseJSON = [];
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$result = $conn->query("SELECT * FROM posts order by id desc limit $limit");
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if ($result->num_rows > 0) {
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while ($row = $result->fetch_assoc()) {
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$blogElement = [
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"title" => $row["title"],
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"id" => $row["id"],
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"content" => $row["content"]
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];
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array_push($responseJSON, $blogElement);
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}
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}
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header('Content-Type: application/json');
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echo json_encode($responseJSON);
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@ -28,15 +28,38 @@ function blogPost($id, $conn)
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];
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}
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$title = $row["title"];
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$content = $row["content"];
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$date = $row["date"];
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$id = $row["id"];
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return [
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"title" => $title,
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"content" => $content,
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"date" => $date,
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"id" => $id
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"title" => $row["title"],
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"content" => $row["content"],
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"date" => $row["date"],
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"id" => $row["id"],
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];
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}
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function blogPosts($count, $contentLength, $conn)
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{
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$response = [];
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$result = $conn->query("SELECT * FROM posts order by id desc limit $count");
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if ($result->num_rows > 0) {
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while ($row = $result->fetch_assoc()) {
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$content = $row["content"];
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if($contentLength != null && strlen($content) > $contentLength) {
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$contentNew = substr($content, 0, $contentLength);
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$contentRest = substr($content, $contentLength);
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$content = $contentNew . explode(" ", $contentRest)[0] . " ...";
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}
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$blogElement = [
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"title" => $row["title"],
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"content" => $content,
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"date" => $row["date"],
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"id" => $row["id"],
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];
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array_push($response, $blogElement);
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}
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}
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return $response;
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}
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@ -23,5 +23,17 @@ $queryType = new ObjectType([
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],
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'resolve' => fn ($rootValue, $args) => blogPost($args["id"], $rootValue["db"]),
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],
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'blogPosts' => [
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"type" => Type::listOf($blogPostFields),
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"args" => [
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"count" => Type::nonNull(Type::int()),
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"contentLength" => [
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"type" => Type::int(),
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"defaultValue" => null
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]
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],
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'resolve' => fn ($rootValue, $args) => blogPosts($args["count"], $args["contentLength"], $rootValue["db"]),
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]
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],
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]);
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