From 45380b8919d09e5836adc6c746ae459fb1bea1ac Mon Sep 17 00:00:00 2001
From: Connor Colombo <connor.colombo@astrobotic.com>
Date: Thu, 2 Mar 2023 13:54:31 -0500
Subject: [PATCH] GDS: FileManager skeleton added.

---
 .../IrisBackendv3/codec/files/__init__.py     |  0
 .../IrisBackendv3/codec/files/file.py         | 27 +++++++++++++++++++
 .../IrisBackendv3/codec/files/file_manager.py | 15 +++++++++++
 .../IrisBackendv3/codec/files/image.py        |  7 +++++
 4 files changed, 49 insertions(+)
 create mode 100644 Apps/GroundSoftware/IrisBackendv3/codec/files/__init__.py
 create mode 100644 Apps/GroundSoftware/IrisBackendv3/codec/files/file.py
 create mode 100644 Apps/GroundSoftware/IrisBackendv3/codec/files/file_manager.py
 create mode 100644 Apps/GroundSoftware/IrisBackendv3/codec/files/image.py

diff --git a/Apps/GroundSoftware/IrisBackendv3/codec/files/__init__.py b/Apps/GroundSoftware/IrisBackendv3/codec/files/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/Apps/GroundSoftware/IrisBackendv3/codec/files/file.py b/Apps/GroundSoftware/IrisBackendv3/codec/files/file.py
new file mode 100644
index 000000000..786a34337
--- /dev/null
+++ b/Apps/GroundSoftware/IrisBackendv3/codec/files/file.py
@@ -0,0 +1,27 @@
+from typing import TypeAlias, Dict, List, Final, ClassVar
+
+from dataclasses import dataclass
+
+from ..payload import FileMetadata, FileBlockPayload
+
+HashedId: TypeAlias = int
+
+class File:
+    _FILE_EXT: ClassVar[str] = '.iris.hex'
+
+    _metadata: FileMetadata
+
+    _blocks: Dict[int, FileBlockPayload]
+
+    @property
+    def hashedId(self) -> HashedId:
+        return self._metadata.hashedId
+
+    def ingest_block(block: FileBlockPayload) -> None:
+        pass
+
+    def generate_file_contents() -> bytes:
+        # TODO: Make a cached property?
+        pass
+
+    def save_file(self, path: str)
\ No newline at end of file
diff --git a/Apps/GroundSoftware/IrisBackendv3/codec/files/file_manager.py b/Apps/GroundSoftware/IrisBackendv3/codec/files/file_manager.py
new file mode 100644
index 000000000..2baf421ca
--- /dev/null
+++ b/Apps/GroundSoftware/IrisBackendv3/codec/files/file_manager.py
@@ -0,0 +1,15 @@
+from typing import TypeAlias, Dict, List
+
+from .file import File, HashedId
+from ..packet import Packet
+
+class FileManager:
+    in_progress_files: Dict[HashedId, File]
+
+    def process_packet(packet: Packet) -> bool:
+        """ Extracts any file blocks from the given packet and uses them to
+        build or continue building a file.
+        """
+        raise NotImplementedError()
+
+    def save_all_files()
diff --git a/Apps/GroundSoftware/IrisBackendv3/codec/files/image.py b/Apps/GroundSoftware/IrisBackendv3/codec/files/image.py
new file mode 100644
index 000000000..9d748d918
--- /dev/null
+++ b/Apps/GroundSoftware/IrisBackendv3/codec/files/image.py
@@ -0,0 +1,7 @@
+from .file import File
+
+class Image(File):
+    # override save
+    
+    def to_b64(self) -> str:
+        pass