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geraintluffgeraintluff
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Added tiny blog-like API for testing/demo
1 parent b760b52 commit 0a7a4e2

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8 files changed

+296
-0
lines changed

8 files changed

+296
-0
lines changed

‎blog/.gitignore

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password.php
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comments
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posts

‎blog/config.php

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<?php
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session_start();
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define('POST_DIR', "posts/");
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define('COMMENT_DIR', "comments/");
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define('POSTS_PER_PAGE', 5);
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define('ADMINISTRATOR_FLAG', 'demo_blog_administrator');
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$isAdministrator = isset($_SESSION[ADMINISTRATOR_FLAG]) && $_SESSION[ADMINISTRATOR_FLAG];
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?>

‎blog/index.php

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<?php
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require_once('config.php');
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if ($_SERVER['REQUEST_METHOD'] == "POST" && $isAdministrator) {
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$postData = json_decode(file_get_contents("php://input"));
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if ($postData != null) {
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$newPostData = array(
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"author" => $postData->author,
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"title" => $postData->title,
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"content" => $postData->content,
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"date" => date(DATE_ISO8601)
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);
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$safeAuthor = rawurlencode(substr($newPostData['author'], 0, 10));
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$newPostFilename = POST_DIR.$newPostData['date'].$safeAuthor.".json";
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if (!file_put_contents($newPostFilename, json_encode($newPostData))) {
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die('{"error": "Error saving post"}');
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}
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}
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}
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$page = 0;
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if (isset($_GET['page'])) {
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$page = (int)$_GET['page'];
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if ($page < 0) {
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$page = 0;
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}
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}
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$jsonData = array(
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"title" => "The Jsonary Blog",
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"page" => $page
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);
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if ($page > 0) {
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$jsonData['prev'] = "?page=".($page - 1);
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}
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$posts = array();
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$filenames = scandir(POST_DIR);
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sort($filenames);
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$filenames = array_reverse($filenames);
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$remainingToSkip = POSTS_PER_PAGE*$page;
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$remainingToShow = POSTS_PER_PAGE;
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foreach ($filenames as $filename) {
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if ($filename[0] == "." || is_dir($filename)) {
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continue;
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}
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if ($remainingToSkip-- > 0) {
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continue;
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}
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if ($remainingToShow-- <= 0) {
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break;
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}
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$postData = json_decode(file_get_contents(POST_DIR.$filename));
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$posts[] = array(
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"postId" => substr($filename, 0, strlen($filename) - 5),
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"title" => $postData->title,
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"author" => $postData->author,
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"date" => $postData->date
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);
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}
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$jsonData['posts'] = $posts;
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if (count($posts) == POSTS_PER_PAGE) {
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$jsonData["next"] = "?page=".($page + 1);
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}
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if ($isAdministrator) {
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header("Content-Type: application/json; profile=schemas/index-administrator.json");
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} else {
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header("Content-Type: application/json; profile=schemas/index.json");
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}
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echo (json_encode($jsonData));
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?>

‎blog/login.php

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<?php
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require_once('config.php');
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require_once('password.php');
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if ($_SERVER['REQUEST_METHOD'] == "POST") {
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$jsonData = json_decode(file_get_contents("php://input"));
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if ($jsonData == PASSWORD) {
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$_SESSION[ADMINISTRATOR_FLAG] = TRUE;
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header("Content-Type: application/json; profile=?schema");
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die('{"home": "./", "logout": "?logout"}');
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}
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}
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if (isset($_GET["logout"])) {
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$_SESSION[ADMINISTRATOR_FLAG] = FALSE;
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}
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if (isset($_GET['schema'])) {
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?>
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{
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"title": "Login page",
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"links": [
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{"rel": "login", "href": "{+login}", "method": "POST", "schema":{"type": "string"}},
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{"rel": "logout", "href": "{+logout}"},
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{"rel": "home", "href": "{+home}"}
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]
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}
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<?php } else {
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if ($isAdministrator) {
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header("Content-Type: application/json; profile=?schema");
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die('{"home": "./", "logout": "?logout"}');
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}
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header("Content-Type: application/json; profile=?schema");
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?>
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{
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"login": "?login"
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}
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<?php } ?>

‎blog/post.php

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<?php
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require_once('config.php');
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$postId = $_GET['postId'];
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$postId = str_replace("/", "_", $postId);
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$postData = json_decode(file_get_contents(POST_DIR.$postId.".json"));
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$postData->postId = $postId;
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$commentDir = COMMENT_DIR.$postId."/";
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if (!file_exists($commentDir)) {
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mkdir($commentDir, 0777, TRUE);
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}
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if ($_SERVER['REQUEST_METHOD'] == "POST") {
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$submittedData = json_decode(file_get_contents("php://input"));
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if ($submittedData != null) {
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$author = $submittedData->author;
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$message = $submittedData->message;
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if (!is_string($author) || !is_string($message) || strlen($author) > 25 || strlen($message) > 200 || strlen($author) == 0 || strlen($message) == 0) {
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die('{"error": "Invalid parameters"}');
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} else {
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$newComment = array(
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"author" => $author,
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"message" => $message,
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"date" => date(DATE_ISO8601)
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);
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$safeAuthor = rawurlencode(substr($author, 0, 10));
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$newCommentFilename = $commentDir.$newComment['date'].$safeAuthor.".json";
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if (!file_put_contents($newCommentFilename, json_encode($newComment))) {
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die('{"error": "Error saving comment"}');
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}
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}
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}
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}
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$comments = array();
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$commentFilenames = scandir($commentDir);
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sort($commentFilenames);
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foreach ($commentFilenames as $filename) {
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if ($filename[0] == "." || is_dir($filename)) {
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continue;
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}
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$commentData = json_decode(file_get_contents($commentDir.$filename));
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$comments[] = $commentData;
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}
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$postData->comments = $comments;
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header("Content-Type: application/json; profile=schemas/post.json");
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echo (json_encode($postData));
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?>

‎blog/schemas/index-administrator.json

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{
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"title": "Administrator",
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"allOf": [{"$ref": "index.json"}],
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"links": [
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{
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"rel": "create",
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"href": "?",
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"method": "POST",
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"schema": {"$ref": "post.json#/definitions/submitPost"}
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}
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]
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}

‎blog/schemas/index.json

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{
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"title": "Blog",
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"type": "object",
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"properties": {
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"posts": {
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"type": "array",
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"items": {"$ref": "post.json#/definitions/reference"}
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},
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"page": {
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"type": "integer"
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},
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"next": {
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"type": "string",
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"format": "uri"
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},
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"prev": {
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"type": "string",
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"format": "uri"
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}
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},
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"links": [
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{
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"rel": "prev",
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"href": "{+prev}"
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},
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{
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"rel": "next",
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"href": "{+next}"
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}
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]
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}

‎blog/schemas/post.json

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{
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"title": "Blog post",
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"type": "object",
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"properties": {
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"title": {
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"type": "string"
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},
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"author": {
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"type": "string"
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},
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"date": {
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"title": "Posted on",
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"type": "string",
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"format": "date-time"
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},
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"content": {
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"type": "array",
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"items": {"$ref": "#/definitions/contentEntry"}
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},
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"comments": {
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"type": "array",
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"items": {"$ref": "#/definitions/comment"}
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}
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},
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"definitions": {
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"reference": {
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"links": [
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{"rel": "full", "href": "post.php{?postId*}"}
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]
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},
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"submitPost": {
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"allOf": [{"$ref": "#"}],
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"properties": {
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"author": {},
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"title": {},
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"content": {}
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},
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"required": ["author", "title", "content"],
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"additionalProperties": false
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},
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"comment": {
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"title": "Comment",
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"type": "object",
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"properties": {
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"author": {"type": "string"},
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"message": {"type": "string"},
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"date": {"type": "string", "format": "date-time"}
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}
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},
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"submitComment": {
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"title": "Comment",
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"type": "object",
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"properties": {
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"author": {"type": "string", "maxLength": 25},
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"message": {"type": "string", "maxLength": 200}
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},
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"required": ["author", "message"],
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"additionalProperties": false
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},
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"contentEntry": {
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"oneOf": [
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{
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"title": "Paragraph",
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"type": "string"
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}
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]
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}
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},
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"links": [
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{
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"rel": "comment",
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"href": "{?postId*}",
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"method": "POST",
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"schema": {"$ref": "#/definitions/submitComment"}
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}
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]
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}

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