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lib/literature/controllers/post_controller.ex
defmodule Literature.PostController do
use Literature.Web, :controller
def upload_image(conn, %{"image" => image} = params) do
params
|> get_post()
|> Literature.update_post(%{"upload_image" => rename_filename(image)})
|> case do
{:ok, post} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(
200,
Jason.encode!(%{
success: 1,
file: %{
url: literature_image_url(post, :upload_image)
}
})
)
{:error, %Ecto.Changeset{}} ->
conn
|> put_resp_content_type("application/json")
|> send_resp(400, Jason.encode!(%{success: 0}))
end
end
def upload_image(conn, %{"url" => url}) do
conn
|> put_resp_content_type("application/json")
|> send_resp(200, Jason.encode!(%{success: 1, file: %{url: url}}))
end
defp get_post(%{"slug" => slug, "publication_slug" => publication_slug}),
do: Literature.get_post!(slug: slug, publication_slug: publication_slug)
defp rename_filename(file) do
%{width: width, height: height} = Mogrify.verbose(Mogrify.open(file.path))
file_name =
Slugy.slugify(
"#{Path.basename(file.filename, Path.extname(file.filename))} w#{width}x#{height}"
)
%{file | filename: "#{file_name}#{Path.extname(file.filename) |> String.downcase()}"}
end
end