Adding all Lab Work - So Far

dnw/404.php

+<?php
+
+// create variable for content HTML
+$content = "<h1>Page not found</h1>";
+$content .= "<p>Sorry, the page you requested could not be found.</p>";
+
+// output the content HTML
+echo $content;
+
+?>
\ No newline at end of file

dnw/home.php

+<?php
+
+// create variable for content HTML
+$content = "<h1>Hello and welcome to Goldsmith's Record Store</h1>";
+$content .= "<p>Please follow the links above to browse the record store.</p>";
+
+// output the content HTML
+echo $content;
+
+?>
\ No newline at end of file

dnw/includes/db_connect.php

+<?php
+/* connect to the database */
+$link = mysqli_connect(
+    'localhost',
+    'ma301bw',
+    'workdal1',
+    'ma301bw_anotherdb'
+);
+/* check connection succeeded */
+if (mysqli_connect_errno()) {
+    exit(mysqli_connect_error());
+}
+$sql = "SELECT first_name, last_name FROM artist";
+$result = mysqli_query($link, $sql);
+if ($result === false) {
+    echo( "No records found." );
+} else {
+    echo( "Some records were found!" );
+}
+/* check query returned a result */
+if ($result === false) {
+    echo mysqli_error($link);
+} else {
+    /* fetch associative array */
+    while ($row = mysqli_fetch_assoc($result)) {
+        echo($row['first_name']." ".$row['last_name']);
+    }
+    /* free result set */
+    mysqli_free_result($result);
+}
+mysqli_close($link);
+?>
\ No newline at end of file

dnw/index.php

+<?php
+
+require('includes/db_connect.php')
+
+include('templates/header.html');
+
+include('templates/navigation.html');
+
+// get the value of the page parameter from the URL
+// if no parameter detected...
+if (!isset($_GET['page'])) {
+    $page_id = 'home'; // display home page
+} else {
+    $page_id = $_GET['page']; // else requested page
+}
+
+switch ($page_id) {
+case 'home' :
+    include 'views/home.php';
+    break;
+case 'record' :
+    include 'views/record.php';
+    break;
+case 'artist' :
+    include 'views/artist.php';
+    break;
+default :
+    include 'views/404.php';
+}
+
+
+mysqli_close($link);
+
+include('templates/footer.html');
+include('templates/header.html');
+
+?>
\ No newline at end of file

dnw/readme.txt

+  Live Demo
+    ---------
+    This app can be viewed at:
+    http://doc.gold.ac.uk/~ma301bw/dnw/
\ No newline at end of file

dnw/record.php

+<?php
+
+// create variable for content HTML
+$content = "<h1>Records</h1>";
+
+// fetch records as a result set
+$sql = "SELECT title, genre, price FROM record";
+$result = mysqli_query($link, $sql);
+
+// check query returned a result
+if ($result === false) {
+    echo mysqli_error($link);
+} else {
+    $content .= "<table border='1'><tbody>";
+    // fetch associative array
+    while ($row = mysqli_fetch_assoc($result)) {
+        $content .= "<tr>";
+        $content .= "<td>".$row['title']."</td>";
+        $content .= "<td>".$row['genre']."</td>";
+        $content .= "<td>".$row['price']."</td>";
+        $content .= "</tr>";
+    }
+    $content .= "</tbody></table>";
+    // free result set
+    mysqli_free_result($result);
+}
+
+// output the content HTML
+echo $content;
+
+?>
\ No newline at end of file

dnw/sql/dummy_data.sql

+DELETE FROM artist;
+DELETE FROM record;
+
+INSERT INTO artist (id, first_name, last_name) 
+VALUES
+(NULL, 'Pink', 'Floyd'),
+(NULL, 'David', 'Bowie'),
+(NULL, 'Talking', 'Heads'),
+(NULL, 'Roxy', 'Music'),
+(NULL, 'Iggy', 'Pop')
+(NULL, 'Led', 'Zeppelin');
+
+INSERT INTO record (id, title, artist_id, genre, year, price) 
+VALUES
+(NULL, 'Fear of Music', NULL, 'Rock', 1979, 20.99 ),
+(NULL, 'Animals', NULL, 'Rock', 1977, 15.99 );
\ No newline at end of file

dnw/sql/practice_queries.sql

+/* Simple query
+Fetch first_name and last_name columns from artist table */
+SELECT first_name, last_name FROM artist;
+
+/* Query with filters 
+Fetches titles from record table where year is 1973 and genre is Reggae */
+SELECT title FROM record 
+WHERE year = 1979
+AND genre = "Rock";
\ No newline at end of file

dnw/sql/record-store.sql

+/* Make sure tables don't exist before creation */
+DROP TABLE IF EXISTS record, artist;
+
+/* Define table for storing artists */
+CREATE TABLE artist (
+	id INT AUTO_INCREMENT,
+	first_name VARCHAR(50),
+	last_name VARCHAR(50),
+	PRIMARY KEY(id)
+);
+
+/* Define table for storing records (products) */
+CREATE TABLE record (
+	id INT AUTO_INCREMENT,
+	title VARCHAR(50),
+	artist_id INT,
+	genre TINYTEXT,
+	year YEAR(4),
+	price DECIMAL(10, 2) unsigned,
+	PRIMARY KEY (id),
+	FOREIGN KEY (artist_id)
+		REFERENCES artist (id)
+);
+

dnw/sql/record-store.sql.save

+DROP TABLE IF EXISTS 'table1', 'table2';
+
+CREATE TABLE record (
+    id INT AUTO_INCREMENT,
+    title VARCHAR(50),
+    artist_id INT,
+    genre TINYTEXT,
+    year YEAR(4),
+    price DECIMAL(10, 2) unsigned,
+    PRIMARY KEY (id),
+    FOREIGN KEY (artist_id)
+        REFERENCES artist (id)
+);
+
+CREATE TABLE artist (
+    id INT AUTO_INCREMENT,
+    title VARCHAR(50),
+    artist_id INT,
+    genre TINYTEXT,
+    year YEAR(4),
+    price DECIMAL(10, 2) unsigned,
+    PRIMARY KEY (id),
+    FOREIGN KEY (album_id)
+        REFERENCES album (id)
+);
+
+CREATE TABLE genre  (
+    id INT AUTO_INCREMENT,
+    title VARCHAR(50),
+    album_id INT,
+    genre TINYTEXT,
+    year YEAR(4),
+    price DECIMAL(10, 2) unsigned,
+    PRIMARY KEY (id),
+    FOREIGN KEY (album_id)
+        REFERENCES album (id)
+);
+
+CREATE TABLE label (
+    id INT AUTO_INCREMENT,
+    title VARCHAR(50),
+    album_id INT
+    genre TINYTEXT,
+    year YEAR(4),
+    price DECIMAL(10, 2) unsigned,
+    PRIMARY KEY (id),
+    FOREIGN KEY (artist_id)
+        REFERENCES artist (id)
+);
+
+
+
+

dnw/templates/footer.html

+    </body>
+</html>
\ No newline at end of file

dnw/templates/header.html

+<!DOCTYPE html>
+<html>
+    <head>
+       <meta charset="UTF-8">
+       <title>Record Store</title>
+    </head>
+    <body>
\ No newline at end of file