feat: more stuff around persistence of data

test/bds/media_test.exs

@@ -0,0 +1,142 @@
+defmodule BDS.MediaTest do
+  use ExUnit.Case, async: false
+
+  alias BDS.Repo
+
+  setup do
+    :ok = Ecto.Adapters.SQL.Sandbox.checkout(BDS.Repo)
+    temp_dir = Path.join(System.tmp_dir!(), "bds-media-#{System.unique_integer([:positive])}")
+    File.mkdir_p!(temp_dir)
+    on_exit(fn -> File.rm_rf(temp_dir) end)
+
+    {:ok, project} = BDS.Projects.create_project(%{name: "Media", data_path: temp_dir})
+    %{project: project, temp_dir: temp_dir}
+  end
+
+  test "import_media copies the binary, creates a sidecar, and persists the row", %{project: project, temp_dir: temp_dir} do
+    source_path = Path.join(temp_dir, "sample.txt")
+    File.write!(source_path, "hello media")
+
+    assert {:ok, media} =
+             BDS.Media.import_media(%{
+               project_id: project.id,
+               source_path: source_path,
+               title: "Sample",
+               alt: "Alt text",
+               caption: "Caption",
+               author: "Writer",
+               language: "en",
+               tags: ["alpha"]
+             })
+
+    assert media.original_name == "sample.txt"
+    assert media.mime_type == "text/plain"
+    assert media.size == byte_size("hello media")
+    assert media.tags == ["alpha"]
+    assert media.file_path =~ ~r/^media\/\d{4}\/\d{2}\/.+\.txt$/
+    assert media.sidecar_path == media.file_path <> ".meta"
+
+    assert File.read!(Path.join(temp_dir, media.file_path)) == "hello media"
+
+    sidecar = File.read!(Path.join(temp_dir, media.sidecar_path))
+    assert sidecar =~ "id: #{media.id}\n"
+    assert sidecar =~ "original_name: sample.txt\n"
+    assert sidecar =~ "mime_type: text/plain\n"
+    assert sidecar =~ "title: Sample\n"
+    assert sidecar =~ "alt: Alt text\n"
+    assert sidecar =~ "caption: Caption\n"
+    assert sidecar =~ "author: Writer\n"
+    assert sidecar =~ "language: en\n"
+    assert sidecar =~ "tags:\n  - alpha\n"
+  end
+
+  test "update_media rewrites the sidecar metadata", %{project: project, temp_dir: temp_dir} do
+    source_path = Path.join(temp_dir, "sample.txt")
+    File.write!(source_path, "hello media")
+
+    assert {:ok, media} = BDS.Media.import_media(%{project_id: project.id, source_path: source_path})
+
+    assert {:ok, updated} =
+             BDS.Media.update_media(media.id, %{
+               title: "Updated",
+               alt: "Updated alt",
+               tags: ["beta"],
+               language: "de"
+             })
+
+    assert updated.title == "Updated"
+    assert updated.alt == "Updated alt"
+    assert updated.tags == ["beta"]
+    assert updated.language == "de"
+
+    sidecar = File.read!(Path.join(temp_dir, updated.sidecar_path))
+    assert sidecar =~ "title: Updated\n"
+    assert sidecar =~ "alt: Updated alt\n"
+    assert sidecar =~ "language: de\n"
+    assert sidecar =~ "tags:\n  - beta\n"
+  end
+
+  test "delete_media removes the binary, sidecar, and database row", %{project: project, temp_dir: temp_dir} do
+    source_path = Path.join(temp_dir, "sample.txt")
+    File.write!(source_path, "hello media")
+
+    assert {:ok, media} = BDS.Media.import_media(%{project_id: project.id, source_path: source_path})
+
+    assert {:ok, :deleted} = BDS.Media.delete_media(media.id)
+    assert Repo.get(BDS.Media.Media, media.id) == nil
+    refute File.exists?(Path.join(temp_dir, media.file_path))
+    refute File.exists?(Path.join(temp_dir, media.sidecar_path))
+  end
+
+  test "rebuild_media_from_files recreates media rows from sidecars", %{project: project, temp_dir: temp_dir} do
+    media_dir = Path.join([temp_dir, "media", "2026", "04"])
+    File.mkdir_p!(media_dir)
+
+    binary_path = Path.join(media_dir, "asset.txt")
+    sidecar_path = binary_path <> ".meta"
+
+    File.write!(binary_path, "hello media")
+
+    File.write!(
+      sidecar_path,
+      [
+        "id: media-from-file",
+        "original_name: original.txt",
+        "mime_type: text/plain",
+        "size: 11",
+        "width: 0",
+        "height: 0",
+        "title: Recovered",
+        "alt: Recovered alt",
+        "caption: Recovered caption",
+        "author: Writer",
+        "language: en",
+        "created_at: 1711843200",
+        "updated_at: 1711929600",
+        "tags:",
+        "  - alpha",
+        ""
+      ]
+      |> Enum.join("\n")
+    )
+
+    assert {:ok, media_items} = BDS.Media.rebuild_media_from_files(project.id)
+    assert length(media_items) == 1
+
+    [media] = media_items
+    assert media.id == "media-from-file"
+    assert media.project_id == project.id
+    assert media.filename == "asset.txt"
+    assert media.original_name == "original.txt"
+    assert media.mime_type == "text/plain"
+    assert media.size == 11
+    assert media.title == "Recovered"
+    assert media.alt == "Recovered alt"
+    assert media.caption == "Recovered caption"
+    assert media.author == "Writer"
+    assert media.language == "en"
+    assert media.tags == ["alpha"]
+    assert media.file_path == "media/2026/04/asset.txt"
+    assert media.sidecar_path == "media/2026/04/asset.txt.meta"
+  end
+end