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https://github.com/philomena-dev/philomena.git
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d1c893248d
* return hits from elasticsearch and add in sort param to templates * use returned hits from elasticsearch for navigation * mix format * fix gallery pagination * add missing fields to search help dropdown * unused variable
93 lines
2 KiB
Elixir
93 lines
2 KiB
Elixir
defmodule PhilomenaWeb.ImageSorter do
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@allowed_fields ~W(
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updated_at
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first_seen_at
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aspect_ratio
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faves
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downvotes
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upvotes
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width
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height
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score
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comment_count
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tag_count
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wilson_score
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pixels
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size
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duration
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)
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def parse_sort(params, query) do
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sd = parse_sd(params)
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parse_sf(params, sd, query)
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end
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defp parse_sd(%{"sd" => sd}) when sd in ~W(asc desc), do: sd
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defp parse_sd(_params), do: "desc"
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defp parse_sf(%{"sf" => sf}, sd, query) when sf in @allowed_fields do
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%{query: query, sorts: [%{sf => sd}, %{"id" => sd}]}
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end
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defp parse_sf(%{"sf" => "_score"}, sd, query) do
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%{query: query, sorts: [%{"_score" => sd}, %{"id" => sd}]}
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end
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defp parse_sf(%{"sf" => "random"}, sd, query) do
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random_query(:rand.uniform(4_294_967_296), sd, query)
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end
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defp parse_sf(%{"sf" => <<"random:", seed::binary>>}, sd, query) do
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case Integer.parse(seed) do
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{seed, _rest} ->
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random_query(seed, sd, query)
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_ ->
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random_query(:rand.uniform(4_294_967_296), sd, query)
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end
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end
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defp parse_sf(%{"sf" => <<"gallery_id:", gallery::binary>>}, sd, query) do
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case Integer.parse(gallery) do
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{gallery, _rest} ->
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%{
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query: query,
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sorts: [
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%{
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"galleries.position" => %{
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order: sd,
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nested: %{
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path: :galleries,
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filter: %{
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term: %{"galleries.id" => gallery}
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}
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}
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}
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},
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%{"id" => "desc"}
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]
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}
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_ ->
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%{query: query, sorts: []}
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end
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end
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defp parse_sf(_params, sd, query) do
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%{query: query, sorts: [%{"id" => sd}]}
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end
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defp random_query(seed, sd, query) do
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%{
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query: %{
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function_score: %{
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query: query,
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random_score: %{seed: seed, field: :id},
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boost_mode: :replace
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}
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},
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sorts: [%{"_score" => sd}, %{"id" => sd}]
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}
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end
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end
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