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function.php
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function.php
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<?php
$con = mysqli_connect("localhost","root","","perpustes");
//Ambil data dari table database dengan wadah ROWS
function query($query){
global $con;
$result = mysqli_query($con,$query);
$rows = [];
while($row = mysqli_fetch_assoc($result)){
$rows [] = $row;
}
return $rows;
}
//Search Akun
function cari($keyword){
$query = "SELECT * FROM akun WHERE
username LIKE '%$keyword%' OR
email LIKE '%$keyword%' OR
number LIKE '%$keyword%' OR
level LIKE '%$keyword%'
";
return query($query);
}
function caribuku($keyword){
$query = "SELECT b.id, b.judul, b.author,b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id WHERE
b.judul LIKE '%$keyword%' OR
b.author LIKE '%$keyword%' GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.judul ASC
";
return query($query);
}
function carimanga($keyword){
$query = "SELECT b.id,b.judul,b.kategory,b.harga,b.img,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id WHERE
b.judul LIKE '%$keyword%' OR
b.author LIKE '%$keyword%' GROUP BY b.id,b.judul,b.kategory,b.harga,b.img ORDER BY b.judul ASC
";
return query($query);
}
function filtermanga($kategory){
$query = "SELECT b.id, b.judul, b.author, b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id WHERE b.kategory = '$kategory' GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.judul ASC";
return query($query);
}
function genre($genre){
$query = "SELECT b.id,b.judul,b.kategory,b.harga,b.img,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id WHERE bg.id_genre = $genre GROUP BY b.id,b.judul,b.kategory,b.harga,b.img";
return query($query);
}
function filtername($nameaz){
$query = "SELECT b.id, b.judul, b.author, b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.judul ASC
";
return query($query);
}
function filternameza($nameza){
$query = "SELECT b.id, b.judul, b.author, b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.judul DESC
";
return query($query);
}
// Filter Harga
function filtermurah($murah){
$query = "SELECT b.id, b.judul, b.author, b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.harga ASC
";
return query($query);
}
function filtermahal($mahal){
$query = "SELECT b.id, b.judul, b.author, b.kategory,b.harga,b.halaman,
GROUP_CONCAT(g.genre_name SEPARATOR ', ') AS genres
FROM buku b
JOIN buku_genre bg ON b.id = bg.id_buku
JOIN genre g ON bg.id_genre = g.id GROUP BY b.id, b.judul,b.author,b.kategory,b.harga,b.halaman ORDER BY b.harga DESC
";
return query($query);
}
// Hapus User
function hapus($id){
global $con;
mysqli_query($con,"DELETE from akun WHERE id = $id");
return mysqli_affected_rows($con);
}
function hapusbuku($id){
global $con;
mysqli_query($con,"DELETE from buku WHERE id = $id");
return mysqli_affected_rows($con);
}
// UPDATE DATA
function updatebook($book){
global $con;
$id = $book["id"];
$judul = $book["judul"];
$author = $book["author"];
$kategory = $book["kategory"];
$harga = $book["harga"];
$imglama = $book["imglama"];
if($_FILES["img"]['error'] === 4){
$img = $imglama;
}else{
$img = upload();
}
$query ="UPDATE buku SET judul = '$judul', author = '$author',kategory = '$kategory', harga = $harga, img = '$img' WHERE id = $id";
mysqli_query($con,$query);
return mysqli_affected_rows($con);
}
// Update Akun
function updateakun($row){
global $con;
$id = $row["id"];
$username = $row["username"];
$email = $row["email"];
$number = $row["number"];
$query ="UPDATE akun SET username = '$username', email = '$email',number = $number WHERE id = $id";
mysqli_query($con,$query);
return mysqli_affected_rows($con);
}
// Buy Buku
function updatestatus($buy){
global $con;
$id = $buy["id"];
$statusnew = $buy["status"];
$query = "UPDATE buy SET status = '$statusnew' WHERE id = $id";
mysqli_query($con,$query);
return mysqli_affected_rows($con);
}
function addbuku($addbuku){
global $con;
$judul = $addbuku["judul"];
$author = $addbuku["author"];
$harga = $addbuku["harga"];
$halaman = $addbuku["halaman"];
$bahasa = $addbuku["bahasa"];
$kategory = $addbuku["kategory"];
$stock = $addbuku["stock"];
$img = upload();
if(!$img){
return false;
}
$query = "INSERT INTO buku(judul,author,harga,halaman,bahasa,img,kategory,stock)
VALUES('$judul','$author',$harga,$halaman,'$bahasa','$img','$kategory',$stock)";
mysqli_query($con,$query);
return mysqli_affected_rows($con);
}
function upload(){
$fileName = $_FILES ['img']['name'];
$fileSize = $_FILES ['img']['size'];
$error = $_FILES ['img']['error'];
$tmpName = $_FILES ['img']['tmp_name'];
if($error === 4){
echo "<script>
alert('Pilih Gambar Terlebih Dahulu');
</script>";
return false;
}
//Cek Gambar yang diupload
$ekstensiGambarvalid = ['jpg', 'jpeg', 'png'];
$ekstensiGambar = explode(".", $fileName );
$ekstensiGambar = strtolower(end($ekstensiGambar));
if(!in_array($ekstensiGambar,$ekstensiGambarvalid)){
echo "<script>
alert('File Yang Anda Upload Bukan Gambar');
</script>";
return false;
}
// Cek Ukuran Gambar
if($fileSize > 2000000){
echo "<script>
alert('Ukuran Gambar Terlalu Besar');
</script>";
return false;
}
// Move Gambar Setelah Lolos Di Cek
// Membuat Nama Gambar Baru
$newFileName = uniqid();
$newFileName .= '.';
$newFileName .= $ekstensiGambar;
move_uploaded_file($tmpName,'img/book/' . $newFileName);
return $newFileName;
}
?>