Merge pull request #72 from VSLCatena/development

Add data export

src/Dockerfile

@@ -12,6 +12,7 @@ ENV DEPLOY_ENV=production
 RUN mkdir /docker-entrypoint-initdb.d && \
     cp /var/www/html/data/marktwerking.structure.sql /docker-entrypoint-initdb.d/ && \
     cp /usr/local/etc/php/php.ini-${DEPLOY_ENV} /usr/local/etc/php/php.ini && \
+    chown www-data:root /var/www/html/bar/tmp && \
     sed -ri ' \
         s!^(\s*CustomLog)\s+\S+!\1 /proc/self/fd/1!g; \
         s!^(\s*ErrorLog)\s+\S+!\1 /proc/self/fd/2!g; \

src/html/bar/download.php

@@ -0,0 +1,75 @@
+<?php include './password_protect.php'; ?>
+<?php
+
+
+require_once '../core.php';
+
+if (MW_DEBUG == true) {
+    error_reporting(E_ALL);
+    ini_set('display_errors', 1);
+}
+
+
+
+// SQL queries for both tables
+$sql = Array(
+    "SELECT * FROM drinks",
+    "SELECT * FROM orders",
+    "SELECT * FROM order_history"
+);
+
+$csvFiles = [];
+
+echo "<h2>CSV Data Preview</h2>";
+echo "<ul>";
+
+foreach($sql as $query){
+
+    // Match table name from query
+    preg_match('/from\s+(\S+)/i', $query, $matches);
+    $tableName = $matches[1];
+
+    // Create a temporary file
+    $filepath = tempnam(__DIR__ . "/tmp",$tableName . "_csv_");
+    $tmpFile = basename($filepath);
+
+    // Store temporary file path to download later
+    $csvFiles[] = $tmpFile;
+
+    // Open the temporary file for writing
+    $output = fopen($filepath, 'w');
+
+    // Execute query
+    $stmt = $pdo->prepare($query);
+    $stmt->execute();
+    $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+    // Write column headers to the CSV
+    if (!empty($result)) {
+        fputcsv($output, array_keys($result[0]));
+    }
+
+    // Write each row to the CSV
+    foreach ($result as $row) {
+        fputcsv($output, $row);
+    }
+
+    // Close the temporary file
+    fclose($output);
+
+    // Display the CSV content in the browser as a preview
+    echo "<h3>Table: $tableName</h3>";
+    echo "<pre>";
+
+    // Open the file for reading and output its contents
+    $csvData = file_get_contents($filepath);
+    echo nl2br($csvData); // Display CSV data
+
+    echo "</pre>";
+
+    // Provide a link to download the file
+    echo '<li><a href="./tmp/' . $tmpFile . '">Download ' . $tableName . ' CSV</a></li>';
+}
+
+echo "</ul>";
+?>

src/html/bar/index.php

@@ -120,6 +120,7 @@
             <div id="navbar" class="navbar-right navbar-collapse collapse">
                 <ul class="nav navbar-nav navbar-right">
                     <li><a href="../index.php" type="button">Beamer</a></li>
+                    <li><a href="download.php" type="button">Export data</a></li>
                     <li><a data-target="#financial" data-toggle="modal" type="button">Financial</a></li>
                     <li><a data-target="#settings" data-toggle="modal" type="button">Settings</a></li>
                     <li><a href="./index.php?logout">Uitloggen</a></li>