Rename airtime_mvc/ to legacy/

legacy/application/cloud_storage/FileStorageBackend.php

@@ -0,0 +1,30 @@
+<?php
+
+class FileStorageBackend extends StorageBackend
+{
+    public function getAbsoluteFilePath($resourceId)
+    {
+        //TODO
+        return $resourceId;
+    }
+
+    public function getDownloadURLs($resourceId, $contentDispositionFilename)
+    {
+        return "";
+    }
+
+    public function deletePhysicalFile($resourceId)
+    {
+        //TODO
+    }
+
+    public function deleteAllCloudFileObjects()
+    {
+        return "";
+    }
+
+    public function getFilePrefix()
+    {
+        return "";
+    }
+}

legacy/application/cloud_storage/ProxyStorageBackend.php

@@ -0,0 +1,55 @@
+<?php
+
+
+/**
+ *
+ * Controls access to the storage backend class where a file is stored.
+ *
+ */
+class ProxyStorageBackend extends StorageBackend
+{
+    private $storageBackend;
+
+    /**
+     * Receives the file's storage backend and instantiates the appropriate
+     * object.
+     */
+    public function __construct($storageBackend)
+    {
+        $CC_CONFIG = Config::getConfig();
+
+        // The storage backend in the airtime.conf directly corresponds to
+        // the name of the class that implements it, so we can create the
+        // right backend object dynamically:
+        if ($storageBackend == "file") {
+            $this->storageBackend = new FileStorageBackend();
+        } else {
+            $this->storageBackend = new $storageBackend($CC_CONFIG[$storageBackend]);
+        }
+    }
+
+    public function getAbsoluteFilePath($resourceId)
+    {
+        return $this->storageBackend->getAbsoluteFilePath($resourceId);
+    }
+
+    public function getDownloadURLs($resourceId, $contentDispositionFilename)
+    {
+        return $this->storageBackend->getDownloadURLs($resourceId, $contentDispositionFilename);
+    }
+
+    public function deletePhysicalFile($resourceId)
+    {
+        $this->storageBackend->deletePhysicalFile($resourceId);
+    }
+    
+    public function deleteAllCloudFileObjects()
+    {
+        $this->storageBackend->deleteAllCloudFileObjects();
+    }
+
+    public function getFilePrefix()
+    {
+        return $this->storageBackend->getFilePrefix();
+    }
+}

legacy/application/cloud_storage/StorageBackend.php

@@ -0,0 +1,59 @@
+<?php
+
+/**
+ * 
+ * Provides access to file objects stored on a specific storage backend.
+ */
+abstract class StorageBackend
+{
+    private $bucket;
+    private $accessKey;
+    private $secretKey;
+    
+    /** Returns the file object's URL to the storage backend it is located on. */
+    abstract public function getAbsoluteFilePath($resourceId);
+    
+    /** Returns the file object's signed URL. The URL must be signed since they
+     *  privately stored on the storage backend. */
+    abstract public function getDownloadURLs($resourceId, $contentDispositionFilename);
+    
+    /** Deletes the file from the storage backend. */
+    abstract public function deletePhysicalFile($resourceId);
+
+    /** Deletes all objects (files) stored on the cloud service. To be used
+     *  for station termination */
+    abstract public function deleteAllCloudFileObjects();
+
+    /** Get a prefix for the file (which is usually treated like a directory in the cloud) */
+    abstract public function getFilePrefix();
+
+    protected function getBucket()
+    {
+        return $this->bucket;
+    }
+    
+    protected function setBucket($bucket)
+    {
+        $this->bucket = $bucket;
+    }
+    
+    protected function getAccessKey()
+    {
+        return $this->accessKey;
+    }
+    
+    protected function setAccessKey($accessKey)
+    {
+        $this->accessKey = $accessKey;
+    }
+    
+    protected function getSecretKey()
+    {
+        return $this->secretKey;
+    }
+    
+    protected function setSecretKey($secretKey)
+    {
+        $this->secretKey = $secretKey;
+    }
+}