added new key for the resources to have a parent child relationship

Author: ArnabChatterjee20k

src/Migration/Cache.php

@@ -2,6 +2,10 @@
 
 namespace Utopia\Migration;
 
+use Utopia\Migration\Resources\Database\Column;
+use Utopia\Migration\Resources\Database\Index;
+use Utopia\Migration\Resources\Database\Row;
+use Utopia\Migration\Resources\Database\Table;
 use Utopia\Migration\Resources\Functions\Deployment;
 use Utopia\Migration\Resources\Storage\File;
 
@@ -22,6 +26,56 @@ public function __construct()
         $this->cache = [];
     }
 
+    /**
+ * Get cache key from resource
+ *
+ * @param Resource $resource
+ * @return string
+ */
+    public function getResourceCacheKey(Resource $resource): string
+    {
+        $resourceName = $resource->getName();
+        $keys = [];
+
+        switch ($resourceName) {
+            case Resource::TYPE_TABLE:
+            case Resource::TYPE_COLLECTION:
+                /** @var Table $resource */
+                $keys[] = $resource->getDatabase()->getSequence();
+                break;
+
+            case Resource::TYPE_ROW:
+            case Resource::TYPE_DOCUMENT:
+            case Resource::TYPE_COLUMN:
+            case Resource::TYPE_ATTRIBUTE:
+            case Resource::TYPE_INDEX:
+                /** @var Row|Column|Index $resource */
+                $table = $resource->getTable();
+                $keys[] = $table->getDatabase()->getSequence();
+                $keys[] = $table->getSequence();
+                break;
+
+            case Resource::TYPE_FILE:
+                /** @var File $resource */
+                $keys[] = $resource->getBucket()->getSequence();
+                break;
+
+            case Resource::TYPE_DEPLOYMENT:
+                /** @var Deployment $resource */
+                $keys[] = $resource->getFunction()->getSequence();
+                break;
+
+            default:
+                break;
+        }
+
+        $keys[] = $resource->getSequence();
+
+        $joinedKey = implode('_', $keys);
+        return $joinedKey;
+    }
+
+
     /**
      * Add Resource
      *
@@ -38,11 +92,10 @@ public function add(Resource $resource): void
             }
             $resource->setSequence(uniqid());
         }
-
+        $key = $this->getResourceCacheKey($resource);
         if ($resource->getName() == Resource::TYPE_ROW || $resource->getName() == Resource::TYPE_DOCUMENT) {
             $status = $resource->getStatus();
-            $rowId = $resource->getSequence();
-            $this->cache[$resource->getName()][$rowId] = $status;
+            $this->cache[$resource->getName()][$key] = $status;
             return;
         }
 
@@ -51,7 +104,7 @@ public function add(Resource $resource): void
             $resource->setData(''); // Prevent Memory Leak
         }
 
-        $this->cache[$resource->getName()][$resource->getSequence()] = $resource;
+        $this->cache[$resource->getName()][$key] = $resource;
     }
 
     /**
@@ -78,14 +131,14 @@ public function addAll(array $resources): void
      */
     public function update(Resource $resource): void
     {
+        $key = $this->getResourceCacheKey($resource);
         // if rows then updating the status counter only
         if ($resource->getName() == Resource::TYPE_ROW || $resource->getName() == Resource::TYPE_DOCUMENT) {
-            $rowId = $resource->getSequence();
-            if (!isset($this->cache[$resource->getName()][$rowId])) {
+            if (!isset($this->cache[$resource->getName()][$key])) {
                 $this->add($resource);
             } else {
                 $status = $resource->getStatus();
-                $this->cache[$resource->getName()][$rowId] = $status;
+                $this->cache[$resource->getName()][$key] = $status;
             }
             return;
         }
@@ -94,7 +147,7 @@ public function update(Resource $resource): void
             $this->add($resource);
         }
 
-        $this->cache[$resource->getName()][$resource->getSequence()] = $resource;
+        $this->cache[$resource->getName()][$key] = $resource;
     }
 
     /**
@@ -119,16 +172,17 @@ public function updateAll(array $resources): void
      */
     public function remove(Resource $resource): void
     {
+        $key = $this->getResourceCacheKey($resource);
         if ($resource->getName() == Resource::TYPE_ROW || $resource->getName() == Resource::TYPE_DOCUMENT) {
-            if (! isset($this->cache[$resource->getName()][$resource->getSequence()])) {
+            if (! isset($this->cache[$resource->getName()][$key])) {
                 throw new \Exception('Resource does not exist in cache');
             }
         }
         if (! in_array($resource, $this->cache[$resource->getName()])) {
             throw new \Exception('Resource does not exist in cache');
         }
 
-        unset($this->cache[$resource->getName()][$resource->getSequence()]);
+        unset($this->cache[$resource->getName()][$key]);
     }
 
     /**