Download cutoff date for sources (#69)

* Added new uploaded_at column to media items

* Updated indexer to pull upload date

* Updates media item creation to update on conflict

* Added download cutoff date to sources

* Applies cutoff date logic to pending media logic

* Updated docs

lib/pinchflat/yt_dlp/backend/media.ex

@@ -9,7 +9,8 @@ defmodule Pinchflat.YtDlp.Backend.Media do
     :description,
     :original_url,
     :livestream,
-    :short_form_content
+    :short_form_content,
+    :upload_date
   ]
 
   defstruct [
@@ -18,7 +19,8 @@ defmodule Pinchflat.YtDlp.Backend.Media do
     :description,
     :original_url,
     :livestream,
-    :short_form_content
+    :short_form_content,
+    :upload_date
   ]
 
   alias __MODULE__
@@ -67,7 +69,7 @@ defmodule Pinchflat.YtDlp.Backend.Media do
   Returns the output template for yt-dlp's indexing command.
   """
   def indexing_output_template do
-    "%(.{id,title,was_live,webpage_url,description,aspect_ratio,duration})j"
+    "%(.{id,title,was_live,webpage_url,description,aspect_ratio,duration,upload_date})j"
   end
 
   @doc """
@@ -83,7 +85,8 @@ defmodule Pinchflat.YtDlp.Backend.Media do
       description: response["description"],
       original_url: response["webpage_url"],
       livestream: response["was_live"],
-      short_form_content: short_form_content?(response)
+      short_form_content: short_form_content?(response),
+      upload_date: parse_upload_date(response["upload_date"])
     }
   end
 
@@ -100,6 +103,12 @@ defmodule Pinchflat.YtDlp.Backend.Media do
     end
   end
 
+  defp parse_upload_date(upload_date) do
+    <<year::binary-size(4)>> <> <<month::binary-size(2)>> <> <<day::binary-size(2)>> = upload_date
+
+    Date.from_iso8601!("#{year}-#{month}-#{day}")
+  end
+
   defp backend_runner do
     # This approach lets us mock the command for testing
     Application.get_env(:pinchflat, :yt_dlp_runner)