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89 lines
2.4 KiB
Elixir
89 lines
2.4 KiB
Elixir
defmodule PhilomenaWeb.CommentController do
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use PhilomenaWeb, :controller
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alias Philomena.{Images.Image, Comments.Comment, Textile.Renderer}
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alias Philomena.Repo
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import Ecto.Query
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def index(conn, params) do
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comments =
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Comment.search_records(
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%{
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query: %{
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bool: %{
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must: parse_search(conn, params) ++ [%{term: %{hidden_from_users: false}}],
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must_not: %{terms: %{image_tag_ids: conn.assigns.current_filter.hidden_tag_ids}}
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}
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},
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sort: parse_sort(params)
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},
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conn.assigns.pagination,
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Comment |> preload([image: [:tags], user: [awards: :badge]])
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)
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rendered =
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comments.entries
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|> Renderer.render_collection()
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comments =
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%{comments | entries: Enum.zip(comments.entries, rendered)}
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render(conn, "index.html", comments: comments, layout_class: "layout--wide")
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end
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defp parse_search(conn, %{"comment" => comment_params}) do
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parse_author(comment_params) ++
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parse_image_id(conn, comment_params) ++
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parse_body(comment_params)
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end
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defp parse_search(_conn, _params), do: [%{match_all: %{}}]
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defp parse_author(%{"author" => author}) when is_binary(author) and author not in [nil, ""] do
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case String.contains?(author, ["*", "?"]) do
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true ->
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[
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%{wildcard: %{author: author}},
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%{term: %{anonymous: false}}
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]
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false ->
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[
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%{term: %{author: author}},
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%{term: %{anonymous: false}}
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]
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end
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end
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defp parse_author(_params), do: []
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defp parse_image_id(conn, %{"image_id" => image_id}) when is_binary(image_id) and image_id not in [nil, ""] do
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with {image_id, _rest} <- Integer.parse(image_id),
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true <- valid_image?(conn.assigns.current_user, image_id)
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do
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[%{term: %{image_id: image_id}}]
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else
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_error ->
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[]
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end
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end
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defp parse_image_id(_conn, _params), do: []
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defp parse_body(%{"body" => body}) when is_binary(body) and body not in [nil, ""],
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do: [%{match: %{body: body}}]
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defp parse_body(_params), do: []
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defp parse_sort(%{"comment" => %{"sf" => sf, "sd" => sd}}) when sf in ["posted_at", "_score"] and sd in ["desc", "asc"] do
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%{sf => sd}
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end
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defp parse_sort(_params) do
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%{posted_at: :desc}
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end
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defp valid_image?(user, image_id) do
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image =
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Image
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|> where(id: ^image_id)
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|> Repo.one()
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Canada.Can.can?(user, :show, image)
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end
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end
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