55 lines
1.4 KiB
Elixir
55 lines
1.4 KiB
Elixir
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defmodule SimpleshopTheme.Media.Image do
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use Ecto.Schema
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import Ecto.Changeset
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@primary_key {:id, :binary_id, autogenerate: true}
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@foreign_key_type :binary_id
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schema "images" do
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field :image_type, :string
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field :filename, :string
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field :content_type, :string
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field :file_size, :integer
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field :data, :binary
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field :is_svg, :boolean, default: false
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field :svg_content, :string
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field :thumbnail_data, :binary
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timestamps(type: :utc_datetime)
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end
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@max_file_size 5_000_000
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@doc false
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def changeset(image, attrs) do
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image
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|> cast(attrs, [:image_type, :filename, :content_type, :file_size, :data, :is_svg, :svg_content])
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|> validate_required([:image_type, :filename, :content_type, :file_size, :data])
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|> validate_inclusion(:image_type, ~w(logo header product))
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|> validate_number(:file_size, less_than: @max_file_size)
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|> detect_svg()
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end
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defp detect_svg(changeset) do
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content_type = get_change(changeset, :content_type)
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if content_type == "image/svg+xml" or String.ends_with?(get_change(changeset, :filename) || "", ".svg") do
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changeset
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|> put_change(:is_svg, true)
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|> maybe_store_svg_content()
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else
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changeset
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end
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end
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defp maybe_store_svg_content(changeset) do
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case get_change(changeset, :data) do
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nil ->
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changeset
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svg_binary when is_binary(svg_binary) ->
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put_change(changeset, :svg_content, svg_binary)
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end
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end
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end
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