Getting started on the AJAX portion

install/ajax/get-migration-ajax.php

@@ -0,0 +1,12 @@
+<?php
+define('IN_SCRIPT', 1);
+define('HESK_PATH', '../../');
+require(HESK_PATH . 'hesk_settings.inc.php');
+require(HESK_PATH . 'inc/common.inc.php');
+require(HESK_PATH . 'install/migrations/core.php');
+hesk_load_database_functions();
+
+$allMigrations = getAllMigrations();
+end($allMigrations);
+
+print json_encode(array("lastMigrationNumber" => key($allMigrations)));

install/index.php

@@ -83,7 +83,7 @@ if (hesk_dbNumRows($tableSql) > 0) {
             <?php // BEGIN INSTALL SCREENS ?>
             <div data-step="intro" class="login-box-msg">
                 <h4>Let's get started.</h4>
-                <p>By continuing, I agree to the terms of the
+                <p>By continuing, you agree to the terms of the
                     <a href="http://opensource.org/licenses/MIT" target="_blank">MIT License</a>.</p>
                 <div class="checkbox">
                     <label>
@@ -121,14 +121,16 @@ if (hesk_dbNumRows($tableSql) > 0) {
                     </tbody>
                 </table>
             </div>
-            <div data-step="install-or-update" style="display: none">
-                <div class="progress">
+            <div data-step="install-or-update" class="text-center" style="display: none">
+                <i class="fa fa-spin fa-spinner fa-4x"></i>
+                <div class="progress" style="display: none">
                     <div class="progress-bar progress-bar-success progress-bar-striped active" role="progressbar" aria-valuenow="100" aria-valuemin="0" aria-valuemax="100"
                          style="min-width: 2em; width: 100%">
                         <span class="sr-only">100% Complete</span>
                         100%
                     </div>
                 </div>
+                <input type="hidden" name="starting-migration-number" value="<?php echo $startingMigrationNumber; ?>">
             </div>
             <?php // END INSTALL SCREENS ?>
             <div id="buttons">
@@ -166,5 +168,6 @@ if (hesk_dbNumRows($tableSql) > 0) {
         </div>
     </div>
 </div>
+<p id="hesk-path-for-js" style="display: none"><?php echo '../../'; ?></p>
 </body>
 </html>

install/js/install-script.js

@@ -7,12 +7,14 @@ var steps = [
     {
         name: 'db-confirm',
         text: 'Confirm the information below',
+        backPossible: true,
         callback: undefined
     },
     {
         name: 'install-or-update',
         text: 'Updating to the latest version...',
-        callback: undefined
+        backPossible: false,
+        callback: installOrUpdate
     }
 ];
 
@@ -38,6 +40,10 @@ function goToStep(step) {
     } else {
         $('#tools-button').hide();
         $('#back-button').show();
+
+        if (!steps[step].backPossible) {
+            $('#back-button').addClass('disabled').attr('disabled', 'disabled');
+        }
     }
 
     if (step === steps.length - 1) {
@@ -47,4 +53,50 @@ function goToStep(step) {
     }
 
     $('#header-text').text(steps[step].text);
+
+    if (steps[step].callback !== undefined) {
+        steps[step].callback();
+    }
+}
+
+function installOrUpdate() {
+    var startingMigrationNumber = $('input[name="starting-migration-number"]').val();
+
+    var heskPath = $('p#hesk-path').text();
+
+    $.ajax({
+        url: heskPath + 'install/ajax/get-migration-ajax.php',
+        method: 'GET',
+        success: function(data) {
+            data = JSON.parse(data);
+
+            $('[data-step="install-or-update"] > .fa-spinner').hide();
+            $('[data-step="install-or-update"] > .progress').show();
+
+            console.log(data.lastMigrationNumber);
+
+            // Recursive call that will increment by 1 each time
+            //executeMigration(startingMigrationNumber, startingMigrationNumber, data.latestMigrationNumber);
+        }
+    })
+}
+
+function executeMigration(startingMigrationNumber, migrationNumber, latestMigrationNumber) {
+    $.ajax({
+        url: '',
+        method: 'POST',
+        data: {
+            migrationNumber: migrationNumber,
+            direction: 'up'
+        },
+        success: function(data) {
+            updateProgressBar(migrationNumber, latestMigrationNumber);
+
+            if (migrationNumber === latestMigrationNumber) {
+                // done
+            } else {
+                executeMigration(startingMigrationNumber, migrationNumber + 1, latestMigrationNumber);
+            }
+        }
+    })
 }

install/migrations/core.php

@@ -0,0 +1,7 @@
+<?php
+
+function getAllMigrations() {
+    return array(
+        1 => null
+    );
+}