composer added and first version of upload helper

.gitignore

+uploads/*
+vendor
\ No newline at end of file

application/config/config.php

@@ -23,7 +23,8 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 | a PHP script and you can easily do that on your own.
 |
 */
-$config['base_url'] = 'https://wbt-x-amr.appspot.com';
+
+$config['base_url'] = ENVIRONMENT == 'production' ? 'https://wbt-x-amr.appspot.com/' : 'http://localhost/wbt-web-app/';
 
 /*
 |--------------------------------------------------------------------------
@@ -378,8 +379,8 @@ $config['encryption_key'] = 'GLn08ulSFJM3dTx4Q17o7hdFjlSEeX9I';
 |
 */
 
-$config['sess_driver'] = 'memcached';
-$config['sess_save_path'] = 'localhost:11211';
+$config['sess_driver'] = ENVIRONMENT == 'production' ? 'memcached' : 'files';
+$config['sess_save_path'] = ENVIRONMENT == 'production' ? 'localhost:11211' : NULL;
 $config['sess_cookie_name'] = 'ci_session';
 $config['sess_expiration'] = 7200;
 $config['sess_match_ip'] = FALSE;

application/config/database.php

@@ -72,8 +72,10 @@ defined('BASEPATH') OR exit('No direct script access allowed');
 */
 $active_group = 'default';
 $query_builder = TRUE;
-/*
-$db['default'] = array(
+
+
+$db['default'] = ENVIRONMENT == 'production' ? 
+array(
 	'dsn'	=> '',
 	'hostname' => '35.230.156.110',
 	'username' => 'appdbuser',
@@ -93,9 +95,8 @@ $db['default'] = array(
 	'stricton' => FALSE,
 	'failover' => array(),
 	'save_queries' => TRUE
-);
-*/
-$db['default'] = array(
+) :
+array(
 	'dsn'	=> '',
 	'hostname' => 'localhost:3308',
 	'username' => 'appdbuser',

application/controllers/Upload.php

+<?php
+
+class Upload extends CI_Controller {
+
+    function __construct ()  {
+        parent::__construct();
+    }
+
+    public function upload() {      
+        $this->load->helper('upload');
+        if (ENVIRONMENT == 'production') {
+            $url = upload_to_bucket('wbt2020', 'uploads');
+        } else {
+            $url = upload_to_local('./uploads');
+        }
+        $this->load->view('upload', array('img_url' => $url));
+    }
+
+}
\ No newline at end of file

application/helpers/upload_helper.php

+<?php
+
+require 'vendor/autoload.php';
+use Google\Cloud\Storage\StorageClient;
+
+// Store file in $path in the bucket $bucket_name
+function upload_to_bucket ($bucket_name, $path) {
+
+    if(isset($_FILES['file'])) {
+        
+        // Authentication with Google Cloud Platform
+        $storage = new StorageClient();
+        $bucket = $storage->bucket($bucket_name . '/' . $path);
+        
+        // Upload a file to the bucket.
+        $file = pathinfo($_FILES['file']['name']);
+        $prefix = uniqid('uploaded_', true); //generate random string to avoid name conflicts
+        $filename = $prefix . "." . $file['extension'];
+        $bucket->upload(
+            fopen($_FILES['file']['tmp_name'], 'r'),
+            ['name' => $filename]
+        );  
+        return ('https://storage.cloud.google.com/'.$bucket_name.'.appspot.com/'.$path.'/'.$filename);
+        
+    }  
+}
+
+// upload a file to local server filesystem
+function upload_to_local ($path) {
+    if(isset($_FILES['file'])) {
+        $config['upload_path']          = $path;
+        $config['allowed_types']        = 'gif|jpg|png';
+        $config['max_size']             = 20480; // Max file size: 20480 = 20M
+        $config['max_width']            = 2048;
+        $config['max_height']           = 2048;
+        $config['encrypt_name']         = TRUE;
+
+        $ci =& get_instance();
+        $ci->load->library('upload', $config);
+
+        if ( ! $ci->upload->do_upload('file'))
+            return NULL;
+        else
+            return base_url('uploads/').$ci->upload->data('file_name');
+    }
+}
\ No newline at end of file

application/hooks/acl.php

@@ -9,6 +9,7 @@ $allowOnly = array(); // actions only available to certain groups of users
 // Public actions
 $allowAll['auth']['login'] = TRUE;
 $allowAll['pages']['view'] = TRUE;
+$allowAll['upload']['upload'] = TRUE;
 
 // Controlled access
 $allowOnly['user']['auth']['logout'] = TRUE;

application/views/upload.php

+<form id="fileForm" action="<?= base_url('index.php/upload/upload') ?>" method="post" enctype="multipart/form-data">
+    <div class="form-row">
+        <br/>
+        <div class="form-group">
+            <input type="file" name="file">
+        </div>
+    </div>
+    <br>
+    <button type="submit" class="btn btn-lg btn-primary"> Upload </button>
+</form>
+
+<?php if (isset($img_url)) {
+?>
+    <img src="<?= $img_url ?>"></img>
+<?php
+}
+?>
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