Preview:
<html lang="en">
	<head>
		<!--using external files-->
		<?php require('import.html') ?>
		
		<title>U Chen Daily | Admin</title>
		<script>
			
		</script>
	</head>
	<body>
		<!--using external files-->
		<?php require('header.html'); ?>
		<div class="container" style="margin: 20px;">
			<div class="row">
				<div class="col-sm"><h3 style="color: #1f52a3;">Manage News</h3></div>
			</div>
		</div>
		<div class="container-fluid bg-light" style="padding: 30px 10px;">
			<div class="row bg-light" style="margin: 0 35px;">
				<div class="col-6">
					<h5>All News</h5>
				</div>
				<div class="col-6 d-flex justify-content-end">
					<button type="button" class="btn btn-primary" style="background: #1f52a3;" data-toggle="modal" data-target="#addNewsModal"><i class="fas fa-plus" style="font-size: 20px;"></i> Add News</button>
				</div>
			</div>
			
			<!--add news modal START-->
			<!-- Modal -->
			<div class="modal fade bd-example-modal-lg" id="addNewsModal" tabindex="-1" role="dialog" aria-labelledby="exampleModalLabel" aria-hidden="true">
				<div class="modal-dialog modal-lg" role="document">
					<div class="modal-content">
						<div class="modal-header">
							<h5 class="modal-title" id="exampleModalLabel">Add News</h5>
							<!--<button type="button" class="close" data-dismiss="modal" aria-label="Close">
								<span aria-hidden="true">&times;</span>
							</button>-->
						</div>
						<form action="/205CDE/Assignment/admin.php" method="post">
							<div class="modal-body">
								<div class="form-group">
									<label for="inputNewsTitle">News Title:</label>
									<input type="text" class="form-control" name="txtNewsTitle" id="inputNewsTitle" aria-describedby="emailHelp" placeholder="Enter news title">
								</div>
								<div class="form-group">
									<label for="selectNewsCategory">News Category:</label>
									<select class="form-control" name="selectNewsCategory" id="selectNewsCategory">
										<?php
											$newsCategoryArr = array(
											'--Select news category--' => "",
											'Nation' => 1,	'World' => 2,
											'Sport' => 3,	'Lifestyle' => 4,
											'Food' => 5,	'Tech' => 6,
											'Education' => 7
											);
											foreach($newsCategoryArr as $newsType => $newsNum){
												echo "<option value=\"$newsType\">$newsType</option>";
											}
										?>
									</select>
								</div>
								<div class="form-group">
									<label for="inputNewsDetails" class="col-form-label">News Details:</label>
									<textarea class="form-control" name="txtNewsDetails" id="inputNewsDetails" rows="10"></textarea>
								</div>
								
							</div>
							<div class="modal-footer">
								<button type="button" class="btn btn-secondary" data-dismiss="modal">Cancel</button>
								<button type="submit" class="btn btn-primary" name="btnAddNews" style="background: #1f52a3;">Add</button>
								<input type="hidden" name="submitted" value="true"/>
							</div>
						</form>
					</div>
				</div>
			</div>
			<!--add news modal END-->
			<!--connect & insert news into database START-->
			<?php			
				if (isset($_POST['submitted'])){
					//connect database
					$dbc = mysqli_connect('localhost', 'root', '');
					//select database
					mysqli_select_db($dbc, 'news');
					
					$problem = FALSE;
					
					if(!empty($_POST['txtNewsTitle']) && !empty($_POST['selectNewsCategory']) && !empty($_POST['txtNewsDetails'])){
						$newsTitle = trim($_POST['txtNewsTitle']);
						$newsDetails = trim($_POST['txtNewsDetails']);
						$newsCategory = trim($_POST['selectNewsCategory']);
						}else{
						echo '<p>Error! Please enter title and details select category!</p>';
						$problem = TRUE;
					}
					
					if(!$problem){
						$query = "INSERT INTO news (news_title, news_details, news_category, news_datetime) 
						VALUES ('$newsTitle', '$newsDetails', '$newsCategory', NOW())";
						if(mysqli_query($dbc, $query)){
							echo '<p>Added successfully!</p>';
							}else{
							echo '<p>Error! '.mysqli_error($dbc).'</p>';
							echo '<p>Query: '.$query.'</p>';
						}
					}
					mysqli_close($dbc);
				}
			?>
			<!--connect & insert news into database END-->
			<!--news table START-->
			<div class="card-deck" style="margin: 15px 50px;">
				<table class="table table-hover bg-light">
					<thead class="thead-light">
						<tr>
							<th scope="col">News ID</th>
							<th scope="col">News Datetime</th>
							<th scope="col">News Title</th>
							<th scope="col">News Details</th>
							<th scope="col">News Category</th>
							<th scope="col">Edit/Delete</th>
						</tr>
					</thead>
					<tbody>
						<!--select news from database START-->
						<?php
							$dbc = mysqli_connect('localhost', 'root', '');
							mysqli_select_db($dbc, 'news');
							
							$query = 'SELECT * FROM news ORDER BY news_id ASC';
							
							if($r = mysqli_query($dbc, $query)){
								while($row = mysqli_fetch_array($r)){
									echo "<tr>
									<th scope=\"row\">{$row['news_id']}</th>
									<td>{$row['news_datetime']}</td>
									<td>{$row['news_title']}</td>
									<td>{$row['news_details']}</td>
									<td>{$row['news_category']}</td>
									<td>
									<button type=\"button\" class=\"btn btn-info\"><i class=\"fas fa-edit\" style=\"font-size: 20px;\"></i></button>
									<button type=\"button\" class=\"btn btn-danger\"><i class=\"fas fa-trash\" style=\"font-size: 20px;\"></i></button>
									</td>
									</tr>";
								}
								}else{
								echo '<p>Error! '.mysqli_error($dbc).'</p>';
							}
							
							mysqli_close($dbc);
						?>
						<!--select news from database END-->
					</tbody>
				</table>
			</div>
			<!--news table END-->
		</div>
	</body>
</html>
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