81b6c37c77d8ae82554fa9f03e976087d8009986

Committed 27 Jul 2025 01:38PM UTC coverage: 81.908% (+0.2%) from 81.695%

Build # 81b6c37c77d8ae82554fa9f03e976087d8009986

Build Type

Pull #72

github

Committed by

camatcode

Commit Message

perf: introduce oban telemetry

Pull Request Pull Request #72: perf: introduce telemetry

Run Details

76 of 86 new or added lines in 14 files covered. (88.37%)

40 existing lines in 10 files now uncovered.

1159 of 1415 relevant lines covered (81.91%)

500.18 hits per line

Source File
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94.44

/lib/basenji/process/image_processor.ex

defmodule Basenji.ImageProcessor do
  @moduledoc false

  alias Basenji.Reader.Process.JPEGOptimizer

  def get_image_preview(binary, preview_width_target, preview_height_target) do
    with {:ok, image} <- Image.from_binary(binary),
         {:ok, preview} <- make_preview(image, preview_width_target, preview_height_target) do
      bytes =
        Image.write!(preview, :memory, suffix: ".jpg")
        |> JPEGOptimizer.optimize!()

      {:ok, bytes}
    end
  end

  def resize_image(binary, opts \\ []) when is_binary(binary) do
    if Keyword.has_key?(opts, :width) || Keyword.has_key?(opts, :height) do
      with {:ok, image} <- Image.from_binary(binary) do
        {original_width, original_height} = {Image.width(image), Image.height(image)}
        {scale, options} = calculate_resize_opts(original_width, original_height, opts)
        {:ok, resized} = Image.resize(image, scale, options)

        {:ok, Image.write!(resized, :memory, suffix: ".jpg")}
      end
    else
      {:ok, binary}
    end
  end

  defp make_preview(image, preview_width_target, preview_height_target) do
    width = Image.width(image)
    height = Image.height(image)

    opts = thumbnail_opts(width, height)
    Image.thumbnail(image, "#{preview_width_target}x#{preview_height_target}", opts)
  end

  defp thumbnail_opts(width, height) when width > height * 2 or height > width * 2,
    do: [fit: :cover, crop: :attention, resize: :down]

  defp thumbnail_opts(_width, _height), do: [fit: :contain, resize: :down]

  defp calculate_resize_opts(start_width, start_height, opts) do
    if Keyword.has_key?(opts, :width) && Keyword.has_key?(opts, :height) do
      horizontal_scale = opts[:width] / start_width
      vertical_scale = opts[:height] / start_height
      {horizontal_scale, [vertical_scale: vertical_scale]}
    else
      if Keyword.has_key?(opts, :width) do
        {opts[:width] / start_width, []}
      else
        {opts[:height] / start_height, []}
      end
    end
  end
end

1	defmodule Basenji.ImageProcessor do
2	@moduledoc false
3
4	alias Basenji.Reader.Process.JPEGOptimizer
5
6	def get_image_preview(binary, preview_width_target, preview_height_target) do
7	with {:ok, image} <- Image.from_binary(binary),	58✔
8	{:ok, preview} <- make_preview(image, preview_width_target, preview_height_target) do	58✔
9	bytes =	58✔
10	Image.write!(preview, :memory, suffix: ".jpg")
11	\|> JPEGOptimizer.optimize!()
12
13	{:ok, bytes}
14	end
15	end
16
17	def resize_image(binary, opts \\ []) when is_binary(binary) do
18	if Keyword.has_key?(opts, :width) \|\| Keyword.has_key?(opts, :height) do	33✔
19	with {:ok, image} <- Image.from_binary(binary) do	23✔
20	{original_width, original_height} = {Image.width(image), Image.height(image)}	23✔
21	{scale, options} = calculate_resize_opts(original_width, original_height, opts)	23✔
22	{:ok, resized} = Image.resize(image, scale, options)	23✔
23
24	{:ok, Image.write!(resized, :memory, suffix: ".jpg")}
25	end
26	else
27	{:ok, binary}
28	end
29	end
30
31	defp make_preview(image, preview_width_target, preview_height_target) do
32	width = Image.width(image)	58✔
33	height = Image.height(image)	58✔
34
35	opts = thumbnail_opts(width, height)	58✔
36	Image.thumbnail(image, "#{preview_width_target}x#{preview_height_target}", opts)	58✔
37	end
38
UNCOV 39	defp thumbnail_opts(width, height) when width > height * 2 or height > width * 2,	×
40	do: [fit: :cover, crop: :attention, resize: :down]
41
42	defp thumbnail_opts(_width, _height), do: [fit: :contain, resize: :down]	58✔
43
44	defp calculate_resize_opts(start_width, start_height, opts) do
45	if Keyword.has_key?(opts, :width) && Keyword.has_key?(opts, :height) do	23✔
46	horizontal_scale = opts[:width] / start_width	5✔
47	vertical_scale = opts[:height] / start_height	5✔
48	{horizontal_scale, [vertical_scale: vertical_scale]}
49	else
50	if Keyword.has_key?(opts, :width) do	18✔
51	{opts[:width] / start_width, []}
52	else
53	{opts[:height] / start_height, []}
54	end
55	end
56	end
57	end

camatcode / basenji / 81b6c37c77d8ae82554fa9f03e976087d8009986

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