Added new files to firestore folder

scripts/firestore_delete/main.py

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+#The given script creates a CLoud Function to that is triggered when an image file is deleted from the street2sat-uploaded bucket
+#and then proceeds to delete the corresponding record from the Firestore DB.
+
+import logging
+from google.cloud import firestore
+
+logging.basicConfig(level=logging.INFO)
+logger = logging.getLogger(__name__)
+db = firestore.Client()
+
+def firestore_delete(event, context):
+    """Triggered by a change to a Cloud Storage bucket.
+    Args:
+         event (dict): Event payload.
+         context (google.cloud.functions.Context): Metadata for the event.
+    """
+    #Getting the image name
+    img_path = event['name']
+
+    #Extracting the document name from the file path
+    doc_ref=img_path.replace("/","-").split(".")[0]
+    logging.info("The name of the document is "+doc_ref)
+
+    #Getting the document reference
+    doc = db.collection('street2sat').document(doc_ref)
+    doc_check=doc.get()
+
+    #Checking if the document reference exists in the collections and deleting it.
+    if doc_check.exists:
+        logger.info("The record associated with the image file exists in the Firestore DB")
+        logger.info("Deleting the given document")
+        doc.delete()
+        logger.info("Document has been deleted.")
+    else:
+        logger.info('No such record associated with the image file exists in the Firestore DB!')

scripts/firestore_delete/requirements.txt

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+# Function dependencies, for example:
+# package>=version
+google-cloud-firestore