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41 lines
1 KiB
Elixir
41 lines
1 KiB
Elixir
defmodule PhilomenaWeb.Search.ReverseController do
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use PhilomenaWeb, :controller
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alias PhilomenaWeb.ImageReverse
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plug :set_scraper_cache
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plug PhilomenaWeb.ScraperPlug, params_key: "image", params_name: "image"
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def index(conn, params) do
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create(conn, params)
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end
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def create(conn, %{"image" => image_params}) when is_map(image_params) do
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images = ImageReverse.images(image_params)
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render(conn, "index.html", title: "Reverse Search", images: images)
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end
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def create(conn, _params) do
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render(conn, "index.html", title: "Reverse Search", images: nil)
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end
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defp set_scraper_cache(conn, _opts) do
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params =
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conn.params
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|> Map.put_new("image", %{})
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|> Map.put_new("scraper_cache", conn.params["url"])
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|> Map.put("distance", normalize_dist(conn.params))
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%{conn | params: params}
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end
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defp normalize_dist(%{"distance" => distance}) do
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("0" <> distance)
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|> Float.parse()
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|> elem(0)
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|> Float.to_string()
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end
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defp normalize_dist(_dist), do: "0.25"
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end
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