Merge pull request 'categories-page' (#44) from categories-page into master

Reviewed-on: #44

dist/api/blog/blogData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\blog;
+
 use api\utils\imgUtils;
 use DOMDocument;
 use PDO;
@@ -125,7 +127,7 @@ class blogData
     public function getCategories(): array
     {
         $conn = dbConn();
-        $stmt = $conn->prepare("SELECT categories FROM blog;");
+        $stmt = $conn->prepare("SELECT DISTINCT categories FROM blog;");
         $stmt->execute();
 
         // set the resulting array to associative
@@ -415,7 +417,7 @@ class blogData
                 }
                 else
                 {
-                    rename($from . $file,$to . $file);
+                    rename($from . $file, $to . $file);
                 }
             }
         }
@@ -430,17 +432,15 @@ class blogData
 
     /**
      * Get all posts with the given category
-     * @param mixed $category - Category of the post
+     * @param string $category - Category of the post
      * @return array - Array of all posts with the given category or error message
      */
-    public function getPostsByCategory(mixed $category)
+    public function getPostsByCategory(string $category): array
     {
         $conn = dbConn();
-        $stmt = $conn->prepare("SELECT * FROM blog WHERE categories = :category;");
+        $stmt = $conn->prepare("SELECT * FROM blog WHERE LOCATE(:category, categories) > 0;");
         $stmt->bindParam(":category", $category);
         $stmt->execute();
-        $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
-
-
+        return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
 }

dist/api/blog/blogRoutes.php

@@ -12,6 +12,7 @@ use Slim\App;
 class blogRoutes implements routesInterface
 {
     private blogData $blogData;
+
     /**
      * constructor used to instantiate a base blog routes, to be used in the index.php file.
      * @param App $app - the slim app used to create the routes
@@ -134,7 +135,7 @@ class blogRoutes implements routesInterface
                     return $response->withStatus(400);
                 }
 
-                if (!preg_match('/(?:^|,)(?=[^"]|(")?)"?((?(1)(?:[^"]|"")*|[^,"]*))"?(?=,|$)/mx', $data["categories"]))
+                if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"]))
                 {
                     // uh oh sent some empty data
                     $response->getBody()->write(json_encode(array("error" => "Categories must be in a CSV  format")));
@@ -218,7 +219,7 @@ class blogRoutes implements routesInterface
                 return $response->withStatus(400);
             }
 
-            if (!preg_match('/(?:^|,)(?=[^"]|(")?)"?((?(1)(?:[^"]|"")*|[^,"]*))"?(?=,|$)/mx', $data["categories"]))
+            if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"]))
             {
                 // uh oh sent some empty data
                 $response->getBody()->write(json_encode(array("error" => "Categories must be in a CSV  format")));

dist/api/index.php

@@ -39,7 +39,7 @@ new userRoutes($app);
 $app->post("/contact", function (Request $request, Response $response)
 {
     $data = $request->getParsedBody();
-    if(empty($data["fName"]) || empty($data["lName"]) || empty($data["email"]) || empty($data["subject"]) || empty($data["message"]))
+    if (empty($data["fName"]) || empty($data["lName"]) || empty($data["email"]) || empty($data["subject"]) || empty($data["message"]))
     {
         $response->getBody()->write(json_encode(array("errorMessage" => "Please fill out all the fields")));
         return $response->withStatus(400);

dist/api/project/projectData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\project;
+
 use api\utils\imgUtils;
 use PDO;
 use Psr\Http\Message\UploadedFileInterface;
@@ -162,7 +164,7 @@ class projectData
      * @param UploadedFileInterface $img - Image preview of the project
      * @return string|array - String with error message or array with the new image location
      */
-    public function uploadImage(int $ID, UploadedFileInterface $img): string | array
+    public function uploadImage(int $ID, UploadedFileInterface $img): string|array
     {
 
         $conn = dbConn();

dist/api/project/projectRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\project;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "projectData.php";
@@ -37,7 +38,7 @@ class projectRoutes implements routesInterface
 
             $response->getBody()->write($json);
 
-            if(array_key_exists("errorMessage", $result))
+            if (array_key_exists("errorMessage", $result))
             {
                 $response->withStatus(404);
             }

dist/api/timeline/timelineRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\timeline;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "timelineData.php";
@@ -39,7 +40,7 @@ class timelineRoutes implements routesInterface
                 return $response;
             }
 
-            if($args["timeline"] == "work")
+            if ($args["timeline"] == "work")
             {
                 $response->getBody()->write(json_encode($this->timelineData->getWorkData()));
                 return $response;

dist/api/user/userData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\user;
+
 use Firebase\JWT\JWT;
 use PDO;
 
@@ -54,7 +56,7 @@ class userData
             "exp" => $future
         ];
 
-        return JWT::encode($payload,$secretKey,"HS256");
+        return JWT::encode($payload, $secretKey, "HS256");
     }
 
     /**

dist/api/user/userRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\user;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "userData.php";

src/api/blog/blogData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\blog;
+
 use api\utils\imgUtils;
 use DOMDocument;
 use PDO;
@@ -91,7 +93,8 @@ class blogData
 
         $result = $stmt->fetch(PDO::FETCH_ASSOC);
 
-        if ($result) {
+        if ($result)
+        {
             return $result;
         }
 
@@ -113,7 +116,8 @@ class blogData
         // set the resulting array to associative
         $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
 
-        if ($result) {
+        if ($result)
+        {
             return $result;
         }
 
@@ -123,7 +127,7 @@ class blogData
     public function getCategories(): array
     {
         $conn = dbConn();
-        $stmt = $conn->prepare("SELECT categories FROM blog;");
+        $stmt = $conn->prepare("SELECT DISTINCT categories FROM blog;");
         $stmt->execute();
 
         // set the resulting array to associative
@@ -428,17 +432,15 @@ class blogData
 
     /**
      * Get all posts with the given category
-     * @param mixed $category - Category of the post
+     * @param string $category - Category of the post
      * @return array - Array of all posts with the given category or error message
      */
-    public function getPostsByCategory(mixed $category)
+    public function getPostsByCategory(string $category): array
     {
         $conn = dbConn();
-        $stmt = $conn->prepare("SELECT * FROM blog WHERE categories = :category;");
+        $stmt = $conn->prepare("SELECT * FROM blog WHERE LOCATE(:category, categories) > 0;");
         $stmt->bindParam(":category", $category);
         $stmt->execute();
-        $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
-
-
+        return $stmt->fetchAll(PDO::FETCH_ASSOC);
     }
 }

src/api/blog/blogRoutes.php

@@ -12,6 +12,7 @@ use Slim\App;
 class blogRoutes implements routesInterface
 {
     private blogData $blogData;
+
     /**
      * constructor used to instantiate a base blog routes, to be used in the index.php file.
      * @param App $app - the slim app used to create the routes
@@ -29,9 +30,11 @@ class blogRoutes implements routesInterface
      */
     public function createRoutes(App $app): void
     {
-        $app->get("/blog/categories", function (Request $request, Response $response) {
+        $app->get("/blog/categories", function (Request $request, Response $response)
+        {
             $post = $this->blogData->getCategories();
-            if (array_key_exists("errorMessage", $post)) {
+            if (array_key_exists("errorMessage", $post))
+            {
                 $response->getBody()->write(json_encode($post));
                 return $response->withStatus(404);
             }
@@ -40,10 +43,13 @@ class blogRoutes implements routesInterface
             return $response;
         });
 
-        $app->get("/blog/categories/{category}", function (Request $request, Response $response, $args) {
-            if ($args["category"] != null) {
+        $app->get("/blog/categories/{category}", function (Request $request, Response $response, $args)
+        {
+            if ($args["category"] != null)
+            {
                 $post = $this->blogData->getPostsByCategory($args["category"]);
-                if (array_key_exists("errorMessage", $post)) {
+                if (array_key_exists("errorMessage", $post))
+                {
                     $response->getBody()->write(json_encode($post));
                     return $response->withStatus(404);
                 }
@@ -72,11 +78,15 @@ class blogRoutes implements routesInterface
             return $response;
         });
 
-        $app->get("/blog/post/{type}", function (Request $request, Response $response, $args) {
-            if ($args["type"] != null) {
-                if ($args["type"] == "latest") {
+        $app->get("/blog/post/{type}", function (Request $request, Response $response, $args)
+        {
+            if ($args["type"] != null)
+            {
+                if ($args["type"] == "latest")
+                {
                     $post = $this->blogData->getLatestBlogPost();
-                    if (array_key_exists("errorMessage", $post)) {
+                    if (array_key_exists("errorMessage", $post))
+                    {
                         $response->getBody()->write(json_encode($post));
                         return $response->withStatus(404);
                     }
@@ -85,9 +95,11 @@ class blogRoutes implements routesInterface
                     return $response;
                 }
 
-                if ($args["type"] == "featured") {
+                if ($args["type"] == "featured")
+                {
                     $post = $this->blogData->getFeaturedBlogPost();
-                    if (array_key_exists("errorMessage", $post)) {
+                    if (array_key_exists("errorMessage", $post))
+                    {
                         $response->getBody()->write(json_encode($post));
                         return $response->withStatus(404);
                     }
@@ -123,7 +135,8 @@ class blogRoutes implements routesInterface
                     return $response->withStatus(400);
                 }
 
-                if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"])) {
+                if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"]))
+                {
                     // uh oh sent some empty data
                     $response->getBody()->write(json_encode(array("error" => "Categories must be in a CSV  format")));
                     return $response->withStatus(400);
@@ -206,7 +219,8 @@ class blogRoutes implements routesInterface
                 return $response->withStatus(400);
             }
 
-            if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"])) {
+            if (!preg_match('/[a-zA-Z0-9 ]+, |\w+/mx', $data["categories"]))
+            {
                 // uh oh sent some empty data
                 $response->getBody()->write(json_encode(array("error" => "Categories must be in a CSV  format")));
                 return $response->withStatus(400);

src/api/index.php

@@ -39,7 +39,7 @@ new userRoutes($app);
 $app->post("/contact", function (Request $request, Response $response)
 {
     $data = $request->getParsedBody();
-    if(empty($data["fName"]) || empty($data["lName"]) || empty($data["email"]) || empty($data["subject"]) || empty($data["message"]))
+    if (empty($data["fName"]) || empty($data["lName"]) || empty($data["email"]) || empty($data["subject"]) || empty($data["message"]))
     {
         $response->getBody()->write(json_encode(array("errorMessage" => "Please fill out all the fields")));
         return $response->withStatus(400);

src/api/project/projectData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\project;
+
 use api\utils\imgUtils;
 use PDO;
 use Psr\Http\Message\UploadedFileInterface;
@@ -162,7 +164,7 @@ class projectData
      * @param UploadedFileInterface $img - Image preview of the project
      * @return string|array - String with error message or array with the new image location
      */
-    public function uploadImage(int $ID, UploadedFileInterface $img): string | array
+    public function uploadImage(int $ID, UploadedFileInterface $img): string|array
     {
 
         $conn = dbConn();

src/api/project/projectRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\project;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "projectData.php";
@@ -37,7 +38,7 @@ class projectRoutes implements routesInterface
 
             $response->getBody()->write($json);
 
-            if(array_key_exists("errorMessage", $result))
+            if (array_key_exists("errorMessage", $result))
             {
                 $response->withStatus(404);
             }

src/api/timeline/timelineRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\timeline;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "timelineData.php";
@@ -39,7 +40,7 @@ class timelineRoutes implements routesInterface
                 return $response;
             }
 
-            if($args["timeline"] == "work")
+            if ($args["timeline"] == "work")
             {
                 $response->getBody()->write(json_encode($this->timelineData->getWorkData()));
                 return $response;

src/api/user/userData.php

@@ -1,5 +1,7 @@
 <?php
+
 namespace api\user;
+
 use Firebase\JWT\JWT;
 use PDO;
 
@@ -54,7 +56,7 @@ class userData
             "exp" => $future
         ];
 
-        return JWT::encode($payload,$secretKey,"HS256");
+        return JWT::encode($payload, $secretKey, "HS256");
     }
 
     /**

src/api/user/userRoutes.php

@@ -1,4 +1,5 @@
 <?php
+
 namespace api\user;
 require_once __DIR__ . "/../utils/routesInterface.php";
 require_once "userData.php";

src/blog/css/category.css

@@ -0,0 +1,21 @@
+
+main > h1 {
+    padding-left: 3em;
+}
+
+section.catPosts .largePost {
+    margin-bottom: 3em;
+}
+
+
+section.categories {
+    display: flex
+    flex-direction row;
+    justify-content: center;
+    align-items;
+    flex-wrap: wrap;
+}
+
+section.categories .btnContainer {
+    flex-basis: 33.3333333%
+}

src/blog/css/home.css

@@ -35,7 +35,7 @@ section.largePost {
     padding: 0 5em 1em;
 }
 
-section.largePost:first-child {
+section.largePost:not(:last-child) {
     border-bottom: 5px solid var(--mutedGrey);
 }
 

src/blog/css/main.css

@@ -7,5 +7,6 @@
 @import "../../css/footer.css";
 @import "blogPosts.css";
 @import "home.css";
+@import "category.css";
 @import "prism.css";
 

src/blog/js/index.js

@@ -11,12 +11,16 @@ window.addEventListener('popstate', _ =>
 	goToURL(window.history.state);
 });
 
-window.onscroll = () => {
+window.onscroll = () =>
+{
 	// check if scrolled past limit if so add scrolled class to change background of nav
-    if (document.body.scrollTop >= scrollLimit || document.documentElement.scrollTop >= scrollLimit) {
-        document.querySelector("nav").classList.add("scrolled");
-    } else {
-        document.querySelector("nav").classList.remove("scrolled");
+	if (document.body.scrollTop >= scrollLimit || document.documentElement.scrollTop >= scrollLimit)
+	{
+		document.querySelector('nav').classList.add('scrolled');
+	}
+	else
+	{
+		document.querySelector('nav').classList.remove('scrolled');
 	}
 };
 
@@ -29,7 +33,7 @@ function goToURL(url)
 	// Get the current URL and split it into an array
 	let urlArray = url.split('/');
 	
-    if (url === "/blog/" || url === "/blog")
+	if (url === '/blog/' || url === '/blog')
 	{
 		loadHomeContent();
 		// window.history.pushState(null, null, url);
@@ -45,10 +49,12 @@ function goToURL(url)
 		return;
 	}
 	
-    if (urlArray[2] === 'category') {
+	if (urlArray[2] === 'category')
+	{
 		// Create a new URL with the dynamic part
 		// window.history.pushState(null, null, url);
-        if (urlArray[3]) {
+		if (urlArray[3])
+		{
 			loadPostsByCategory(urlArray[urlArray.length - 1]);
 			return;
 		}
@@ -66,27 +72,33 @@ function goToURL(url)
  * @param post the post object
  * @returns {HTMLDivElement} the outer content of the post
  */
-function createLargePost(post) {
-    let outerContent = document.createElement("div");
-    outerContent.classList.add("outerContent");
-    let img = document.createElement("img");
-    img.className = "banner";
+function createLargePost(post)
+{
+	let outerContent = document.createElement('div');
+	outerContent.classList.add('outerContent');
+	let img = document.createElement('img');
+	img.className = 'banner';
 	img.src = post.headerImg;
 	img.alt = post.title;
 	outerContent.appendChild(img);
-    let content = document.createElement("div");
-    content.classList.add("content");
-    let postContent = document.createElement("div");
-    postContent.classList.add("postContent");
-    let categories = "";
-    post.categories.split(", ").forEach(category => {
-        categories += `<a href="/blog/category/${category}" class="link">${category}</a>`
-        if (post.categories.split(", ").length > 1) {
-            categories += ", ";
+	let content = document.createElement('div');
+	content.classList.add('content');
+	let postContent = document.createElement('div');
+	postContent.classList.add('postContent');
+	let categories = '';
+	post.categories.split(', ').forEach(category =>
+	{
+		categories += `<a href="/blog/category/${category}" class="link">${category}</a>`;
+		if (post.categories.split(', ').length > 1)
+		{
+			categories += ', ';
 		}
 	});
 	
-    window.categories = categories;
+	if (categories.endsWith(', '))
+	{
+		categories = categories.substring(0, categories.length - 2);
+	}
 	
 	postContent.innerHTML = `
                     <h2>${post.title}</h2>
@@ -102,43 +114,49 @@ function createLargePost(post) {
 /**
  * Loads the home content
  */
-function loadHomeContent() {
-    fetch("/api/blog/post").then(res => res.json().then(json => {
-        for (let i = 0; i < json.length; i++) {
-            if (json[i].featured === 1) {
-                let featuredPost = document.createElement("section");
-                featuredPost.classList.add("largePost");
-                featuredPost.id = "featuredPost";
-                let h1 = document.createElement("h1");
-                h1.innerHTML = "featured post";
+function loadHomeContent()
+{
+	fetch('/api/blog/post').then(res => res.json().then(json =>
+	{
+		for (let i = 0; i < json.length; i++)
+		{
+			if (json[i].featured === 1)
+			{
+				let featuredPost = document.createElement('section');
+				featuredPost.classList.add('largePost');
+				featuredPost.id = 'featuredPost';
+				let h1 = document.createElement('h1');
+				h1.innerHTML = 'featured post';
 				featuredPost.appendChild(h1);
 				let outerContent = createLargePost(json[i]);
 				featuredPost.appendChild(outerContent);
-                document.querySelector("#main").prepend(featuredPost);
+				document.querySelector('#main').prepend(featuredPost);
 			}
 			
-            if (i === 0) {
-                let latestPost = document.createElement("section");
-                latestPost.classList.add("largePost");
-                latestPost.id = "latestPost";
-                let h1 = document.createElement("h1");
-                h1.innerHTML = "latest post";
+			if (i === 0)
+			{
+				let latestPost = document.createElement('section');
+				latestPost.classList.add('largePost');
+				latestPost.id = 'latestPost';
+				let h1 = document.createElement('h1');
+				h1.innerHTML = 'latest post';
 				latestPost.appendChild(h1);
 				let outerContent = createLargePost(json[i]);
 				latestPost.appendChild(outerContent);
-                document.querySelector("#main").prepend(latestPost);
+				document.querySelector('#main').prepend(latestPost);
 			}
 		}
-    }))
+	}));
 }
 
 /**
  * Gets the latest and featured posts
  * @returns {Promise<any[]>} the latest and featured posts
  */
-async function getLatestAndFeaturedPosts() {
-    let latestPost = await fetch("/api/blog/post/latest").then(res => res.json());
-    let featuredPost = await fetch("/api/blog/post/featured").then(res => res.json());
+async function getLatestAndFeaturedPosts()
+{
+	let latestPost = await fetch('/api/blog/post/latest').then(res => res.json());
+	let featuredPost = await fetch('/api/blog/post/featured').then(res => res.json());
 	return [latestPost, featuredPost];
 }
 
@@ -147,25 +165,38 @@ async function getLatestAndFeaturedPosts() {
  * @param text the csv text
  * @returns {string[]} the array
  */
-function csvToArray(text) {
+function csvToArray(text)
+{
 	let p = '';
 	let arr = [''];
 	let i = 0;
 	let s = true;
 	let l = null;
-    for (l of text) {
-        if ('"' === l) {
-            if (s && l === p) {
+	for (l of text)
+	{
+		if ('"' === l)
+		{
+			if (s && l === p)
+			{
 				arr[i] += l;
 			}
 			s = !s;
-        } else if (',' === l && s) {
+		}
+		else if (',' === l && s)
+		{
 			l = arr[++i] = '';
-        } else if ('\n' === l && s) {
-            if ('\r' === p) row[i] = row[i].slice(0, -1);
+		}
+		else if ('\n' === l && s)
+		{
+			if ('\r' === p)
+			{
+				row[i] = row[i].slice(0, -1);
+			}
 			arr = arr[++r] = [l = ''];
 			i = 0;
-        } else {
+		}
+		else
+		{
 			arr[i] += l;
 		}
 		p = l;
@@ -177,31 +208,32 @@ function csvToArray(text) {
  * Gets the categories
  * @returns {Promise<*[]>} the categories
  */
-async function getCategories() {
-    let categories = await fetch("/api/blog/categories").then(res => res.json());
+async function getCategories()
+{
+	let categories = await fetch('/api/blog/categories').then(res => res.json());
 	let modifiedCategories = [];
-    categories.forEach(category => modifiedCategories.push(csvToArray(category.categories)));
-    return modifiedCategories;
-
+	categories.forEach(category => modifiedCategories = modifiedCategories.concat(csvToArray(category.categories.replace(/\s*,\s*/g, ','))));
+	return [...new Set(modifiedCategories)];
 }
 
 /**
  * Creates the categories
  * @param {*[]} categoriesList the categories
  */
-function createCategories(categoriesList) {
-    let categories = "";
-    categoriesList.forEach(lst => lst.forEach(category => categories += `<a href="/blog/category/${category}" class="link">${category}</a>`));
+function createCategories(categoriesList)
+{
+	let categories = '';
+	categoriesList.forEach(category => categories += `<a href="/blog/category/${category}" class="link">${category}</a>`);
 	return categories;
 }
 
-
 /**
  * Creates the button categories
  * @param {string[][]} categoriesList - the categories
  */
-function createButtonCategories(categoriesList) {
-    let categories = "";
+function createButtonCategories(categoriesList)
+{
+	let categories = '';
 	categoriesList.forEach(lst => lst.forEach(category => categories += `<a href="/blog/category/${category}" class="btn btnOutline">${category}</a>`));
 	return categories;
 }
@@ -210,7 +242,8 @@ function createButtonCategories(categoriesList) {
  * Creates the side content
  * @returns {HTMLElement} the aside element
  */
-async function createSideContent() {
+async function createSideContent()
+{
 	
 	let posts = await getLatestAndFeaturedPosts();
 	let latestPost = posts[0];
@@ -218,8 +251,8 @@ async function createSideContent() {
 	let categoriesList = await getCategories();
 	let categories = createCategories(categoriesList);
 	
-    let sideContent = document.createElement("aside");
-    sideContent.classList.add("sideContent");
+	let sideContent = document.createElement('aside');
+	sideContent.classList.add('sideContent');
 	sideContent.innerHTML = `
                             <div class="authorInfo">
                                 <div class="picture">
@@ -283,33 +316,37 @@ async function createSideContent() {
  * Trys to load the individual post if not runs the 404 function
  * @param title
  */
-async function loadIndividualPost(title) {
-    document.title = "Rohit Pai - " + decodeURI(title);
-    await fetch(`/api/blog/post/${title}`).then(async res => {
-        if (!res.ok) {
+async function loadIndividualPost(title)
+{
+	document.title = 'Rohit Pai - ' + decodeURI(title);
+	await fetch(`/api/blog/post/${title}`).then(async res =>
+	{
+		if (!res.ok)
+		{
 			show404();
 			return;
 		}
 		
-        await res.json().then(async json => {
+		await res.json().then(async json =>
+		{
 			// create the post
-            let post = document.createElement("section");
-            post.classList.add("post");
-            post.id = "individualPost";
-            let mainContent = document.createElement("div");
-            mainContent.classList.add("mainContent");
-            let article = document.createElement("article");
+			let post = document.createElement('section');
+			post.classList.add('post');
+			post.id = 'individualPost';
+			let mainContent = document.createElement('div');
+			mainContent.classList.add('mainContent');
+			let article = document.createElement('article');
 			article.innerHTML = `
                                 <h1>${json.title}</h1>
                                 <div class="byLine">
                                     <h3>Last updated: ${json.dateModified}</h3>
-                                    <h3>${createButtonCategories([csvToArray(json.categories)])}</h3>
+                                    <h3>${createButtonCategories([csvToArray(json.categories.replace(/\s*,\s*/g, ','))])}</h3>
                                 </div>
                                 <div class="cover" style="background-image: url('${json.headerImg}')"></div>
                                 ${json.body}
                                  `;
-            let comments = document.createElement("section");
-            comments.classList.add("comments");
+			let comments = document.createElement('section');
+			comments.classList.add('comments');
 			comments.innerHTML = `<h2>Comments</h2>
                                   <div id="disqus_thread"></div>
                                  `;
@@ -320,14 +357,16 @@ async function loadIndividualPost(title) {
 			post.appendChild(mainContent);
 			post.appendChild(sideContent);
 			
-            document.querySelector("#main").appendChild(post);
+			document.querySelector('#main').appendChild(post);
 			
-            let disqus_config = _ => {
+			let disqus_config = _ =>
+			{
 				this.page.url = window.location.href;  // Replace PAGE_URL with your page's canonical URL variable
-                this.page.identifier = window.location.href.substring(window.location.href.lastIndexOf("/") + 1); // Replace PAGE_IDENTIFIER with your page's unique identifier variable
+				this.page.identifier = window.location.href.substring(window.location.href.lastIndexOf('/') + 1); // Replace PAGE_IDENTIFIER with your page's unique identifier variable
 			};
 			
-            (function () { // DON'T EDIT BELOW THIS LINE
+			(function ()
+			{ // DON'T EDIT BELOW THIS LINE
 				var d = document, s = d.createElement('script');
 				s.src = 'https://rohitpaiportfolio.disqus.com/embed.js';
 				s.setAttribute('data-timestamp', +new Date());
@@ -337,36 +376,74 @@ async function loadIndividualPost(title) {
 	});
 }
 
-function loadAllCategories() {
-
+/**
+ * Loads all the categories
+ */
+async function loadAllCategories()
+{
+	document.title = 'Rohit Pai - Categories';
+	let categoriesList = await getCategories();
+	let main = document.querySelector('#main');
+	let categories = document.createElement('section');
+	categories.classList.add('categories');
+	categories.id = 'allCategories';
+	let h1 = document.createElement('h1');
+	h1.innerHTML = 'Categories';
+	main.appendChild(h1);
+	for (let category of categoriesList)
+	{
+		let btnContainer = document.createElement('div');
+		btnContainer.classList.add('btnContainer');
+		let btn = document.createElement('a');
+		btn.classList.add('btn');
+		btn.classList.add('btnPrimary');
+		btn.innerHTML = category;
+		btn.href = `/blog/category/${category}`;
+		btnContainer.appendChild(btn);
+		categories.appendChild(btnContainer);
+	}
+	main.appendChild(categories);
 }
 
 /**
  * Loads the posts by category
  * @param category the category
  */
-function loadPostsByCategory(category) {
-    document.title = "Rohit Pai - " + decodeURI(category);
-    fetch(`/api/blog/post/category/${category}`).then(res => res.json().then(json => {
-        let posts = document.createElement("section");
-        posts.classList.add("posts");
-        posts.id = "postsByCategory";
-        let h1 = document.createElement("h1");
-        h1.innerHTML = category;
-        posts.appendChild(h1);
-        for (let i = 0; i < json.length; i++) {
-            let outerContent = createLargePost(json[i]);
-            posts.appendChild(outerContent);
+function loadPostsByCategory(category)
+{
+	document.title = 'Rohit Pai - ' + decodeURI(category);
+	fetch(`/api/blog/categories/${category}`).then(res => res.json().then(json =>
+	{
+		let main = document.querySelector('#main');
+		let posts = document.createElement('section');
+		posts.classList.add('catPosts');
+		posts.id = 'postsByCategory';
+		let h1 = document.createElement('h1');
+		h1.innerHTML = decodeURI(category);
+		main.appendChild(h1);
+		for (let i = 0; i < json.length; i++)
+		{
+			let largePost = document.createElement('section');
+			largePost.classList.add('largePost');
+			if (i < json.length - 1)
+			{
+				largePost.classList.add('categoryPost');
 			}
-        document.querySelector("#main").appendChild(posts);
+			largePost.id = `lp-${i + 1}`;
+			let outerContent = createLargePost(json[i]);
+			largePost.appendChild(outerContent);
+			posts.appendChild(largePost);
+		}
+		main.appendChild(posts);
 	}));
 }
 
 /**
  * Shows the 404 page
  */
-function show404() {
-    document.querySelector("#main").innerHTML = `
+function show404()
+{
+	document.querySelector('#main').innerHTML = `
         <div class="error">
             <div class="fof">
                 <h1>Blog post, Category or page not found</h1>

src/editor/js/editor.js

@@ -263,7 +263,7 @@ document.querySelector("#addPostForm").addEventListener("submit", e =>
     data.append("abstract", document.querySelector("#postAbstract").value);
     data.append("body", editors["CKEditorAddPost"].getData());
     data.append("dateCreated", new Date().toISOString().slice(0, 19).replace('T', ' '));
-    data.append("categories", document.querySelector("#postCategories").value);
+    data.append('categories', document.querySelector('#postCategories').value.toLowerCase());
     data.append("headerImg", document.querySelector("#headerImg").files[0]);
 
     fetch("/api/blog/post", {
@@ -316,7 +316,7 @@ document.querySelector("#editPostForm").addEventListener("submit", e =>
     data["abstract"] = document.querySelector("#editPostAbstract").value;
     data["body"] = editors["CKEditorEditPost"].getData();
     data["dateModified"] = new Date().toISOString().slice(0, 19).replace('T', ' ');
-    data["categories"] = document.querySelector("#editPostCategories").value;
+    data['categories'] = document.querySelector('#editPostCategories').value.toLowerCase();
 
     let imgData = new FormData();
     imgData.append("headerImg", document.querySelector("#editHeaderImg").files[0]);