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<?php include("includes/css.php");
if (isset($_POST['submit'])) {
 	//var_dump($_FILES);exit();
	extract($_POST);
	$category_page = strtolower(str_replace(" ", "-", $category));
	 if(!file_exists('../'.$category_page)) {
	    if(mkdir('../'.$category_page, 0777, true)){
	    	if(copy('../includes/css.php', '../'.$category_page.'/css.php') && copy('../includes/js.php', '../'.$category_page.'/js.php') && copy('../includes/header.php', '../'.$category_page.'/header.php') && copy('../includes/footer.php', '../'.$category_page.'/footer.php') && copy('../includes/db_config.php', '../'.$category_page.'/db_config.php') ){
				$sql="INSERT into category_dp(name) values ('$category')";
				//echo $sql; exit();
				$res=mysqli_query($conn,$sql) or die(mysqli_error());
				if($res)
				{
				 	echo "
						<script>
							alert('Category created successfully...');
							location.replace('category-dp.php');
						</script>
					";
				}
			} else{
				echo "
					<script>
						alert('Something went wrong, Please try again...');
						location.replace('category-dp.php');
					</script>
				";
			}
		} else{
				echo "
					<script>
						alert('Something went wrong, Please try again...');
						location.replace('category-dp.php');
					</script>
				";
			}
	} else{
		echo "
			<script>
				alert('Category name already exists, Please change the name and try again...');
				location.replace('category-dp.php');
			</script>
		";
	}
}

if(isset($_POST['update']))
{
	//var_dump($_FILES);exit();
	extract($_POST);
	$id=$_POST["cat_id"];
	$category_old_page = strtolower(str_replace(" ", "-", $cat_name_old));
	$category_new_page = strtolower(str_replace(" ", "-", $cat_name));
	if(!file_exists('../'.$category_new_page)) {
		if(file_exists('../'.$category_old_page)){
			if(rename("../$category_old_page", "../$category_new_page")){
				$sql1 ="UPDATE  category_dp  SET name='$cat_name'  WHERE id='$id'"; 
				$res=mysqli_query($conn,$sql1) or die(mysqli_error());
			} else{
					echo "
						<script>
							alert('Something went wrong, Please try again...');
							location.replace('category-dp.php');
						</script>
					";
			}
		} else{
			if(mkdir('../'.$category_new_page, 0777, true)){
				if(copy('../service/css.php', '../'.$category_new_page.'/css.php') && copy('../service/js.php', '../'.$category_new_page.'/js.php', '../'.$category_new_page.'/'.$category_new_page.'.php') ){
					$sql1 ="UPDATE  category_dp  SET name='$cat_name'  WHERE id='$id'"; 
					$res=mysqli_query($conn,$sql1) or die(mysqli_error());
				} else{
					echo "
						<script>
							alert('Something went wrong, Please try again...');
							location.replace('category-dp.php');
						</script>
					";
				}
			} else{
					echo "
						<script>
							alert('Something went wrong, Please try again...');
							location.replace('category-dp.php');
						</script>
					";
				}
		}
	} else{
		echo "
			<script>
				alert('Category naem already exists, Please change the name and try again...');
				location.replace('category-dp.php');
			</script>
		";
	}
} ?>	
<body class="hold-transition skin-blue sidebar-mini">
	<div class="wrapper">
		<?php include("includes/header.php")?>
		<?php include("includes/sidebar.php")?>
		
		<div class="content-wrapper">
			
			
			<section class="content">
				<div class="row">
					<div class="col-md-6">
						<div class="box box-danger">
							<div class="box-header with-border">
								<h3 class="box-title">Category</h3>
							</div>
							
							<div class="box-body table-responsive">
								<table class="table table-bordered example1">
									<thead>
										<tr>
											<th>S. No</th>
											<th>Category</th>
											<th>Edit</th>
											<th>Delete</th>
										</tr>
									</thead>
									<tbody>
									<?php
									$sql="select * from category_dp";
									$result = mysqli_query($conn, $sql);
									 $j=1;
									while($res= mysqli_fetch_array($result))
									{ 
									?>
										<tr>
											<td><?php echo $j; $j++; ?></td>
											<td><?php echo $res['name']; ?></td> 
											
											<td><input type="button" name="edit" value="Edit" id="<?php echo $res["id"]; ?>" class="btn btn-md btn-success edit_data" /></td> 
											 <td><a href="javascript:delete_cat_by_ID('<?php echo $res['id'] ?>', '<?php echo $res['name'] ?>');" class="ask"><i class="fa fa-trash-o"></i></a></td>
										</tr>
										<?php } ?>
									</tbody>
								</table>
							</div>
							
						</div>
					</div>
					<div class="col-md-6">
						<div class="box box-danger">
							<div class="box-header">
								<h3 class="box-title">Add New Category</h3>
							</div>
							<div class="box-body">
								<form method="post" action="" enctype="multipart/form-data">
									<div class="form-group">
										<label> Category :</label>
										<div class="input-group">
											<div class="input-group-addon">
												<i class="fa fa-suitcase"></i>
											</div>
											<input type="text" name="category" class="form-control" placeholder="Category">
										</div>
									</div>

<div class="form-group">
										<div class="input-group">
											<input type="submit" name="submit" class="btn btn-success btn-md" value="Submit">
										</div>
									</div>
								</form>
							</div>
							
						</div>
					</div>
				</div>
				 
				<div id="add_data_Modal" class="modal fade">  
			      <div class="modal-dialog">  
			           <div class="modal-content">  
			                <div class="modal-header">  
			                     <button type="button" class="close" data-dismiss="modal">&times;</button>  
			                     <h4 class="modal-title">Update Category</h4>  
			                </div>  
			                 <form method="post" id="insert_form" enctype="multipart/form-data">  
			                <div class="modal-body">  
					          <div class="form-group">
					          <label>Category</label>  
					          <input type="text" name="cat_name" id="cat_name" class="form-control" placeholder="Category Name">
					          <input type="hidden" name="cat_name_old" id="cat_name_old">
					          </div>
			                </div>  
			                <input type="hidden" name="cat_id" id="cat_id" /> 
			                <div class="modal-footer">  
			                	 
			                          <input type="submit" name="update" id="insert" value="Insert" class="btn btn-success" />  
			                     <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>  
			                </div> 
			                 </form>   
			           </div>  
			      </div>  
			 </div>  
			
			</section>
		</div>
		<?php include("includes/footer.php")?>
	</div>
	<?php include("includes/js.php")?>
</body>

$(document).ready(function(){  
     
      $(document).on('click', '.edit_data', function(){  
           var cat_id = $(this).attr("id");  
           $.ajax({  
                url:"edit_categorydp.php",  
                method:"POST",  
                data:{cat_id:cat_id},  
                dataType:"json",  
                success:function(data){  
                     $('#cat_name').val(data.name); 
                     $('#cat_name_old').val(data.name); 
                     
                     $('#cat_id').val(data.id);  
                     $('#insert').val("Update");  
                     $('#add_data_Modal').modal('show');  
                }  
           });  
      });  
     
 });

function delete_cat_by_ID(id, cat_name)
{
	if (confirm('Do You Want to Deleting This \nContinue anyway?')) {
		window.location.href = 'delete_categorydp.php?id=' + id + '&cat_name=' +cat_name;
	}
}
</script>
</html>

Editing File: category-dp.php