fix a bunch of navigation weirdness

lib/philomena/elasticsearch.ex

@@ -117,6 +117,7 @@ defmodule Philomena.Elasticsearch do
     entries = Enum.map(results["hits"]["hits"], &String.to_integer(&1["_id"]))
 
     Logger.debug("[Elasticsearch] Query took #{time}ms")
+    Logger.debug("[Elasticsearch] #{Jason.encode!(elastic_query)}")
 
     %Scrivener.Page{
       entries: entries,

lib/philomena/image_navigator.ex

@@ -8,15 +8,15 @@ defmodule Philomena.ImageNavigator do
   # We get consecutive images by finding all images greater than or less than
   # the current image, and grabbing the FIRST one
   @range_comparison_for_order %{
-    asc: :gt,
-    desc: :lt
+    "asc" => :gt,
+    "desc" => :lt
   }
 
   # If we didn't reverse for prev, it would be the LAST image, which would
   # make Elasticsearch choke on deep pagination
   @order_for_dir %{
-    next: %{"asc" => :asc, "desc" => :desc},
-    prev: %{"asc" => :desc, "desc" => :asc}
+    next: %{"asc" => "asc", "desc" => "desc"},
+    prev: %{"asc" => "desc", "desc" => "asc"}
   }
 
   @range_map %{
@@ -28,7 +28,7 @@ defmodule Philomena.ImageNavigator do
     image_index =
       Image
       |> where(id: ^image.id)
-      |> preload(:gallery_interactions)
+      |> preload([:gallery_interactions, tags: :aliases])
       |> Repo.one()
       |> Map.merge(empty_fields())
       |> ElasticsearchIndex.as_json()
@@ -69,13 +69,13 @@ defmodule Philomena.ImageNavigator do
 
   defp extract_filters(%{"galleries.position" => term} = sort, image, rel) do
     # Extract gallery ID and current position
-    gid = term["nested_filter"]["term"]["galleries.id"]
+    gid = term.nested_filter.term."galleries.id"
     pos = Enum.find(image[:galleries], & &1.id == gid).position
 
     # Sort in the other direction if we are going backwards
-    sd = term["order"]
-    order = @order_for_dir[rel][sd]
-    term = %{term | "order" => order}
+    sd = term.order
+    order = @order_for_dir[rel][to_string(sd)]
+    term = %{term | order: order}
     sort = %{sort | "galleries.position" => term}
 
     filter = gallery_range_filter(@range_comparison_for_order[order], pos)
@@ -164,8 +164,7 @@ defmodule Philomena.ImageNavigator do
       upvoters: [],
       downvoters: [],
       favers: [],
-      hiders: [],
-      tags: []
+      hiders: []
     }
   end
 

lib/philomena/image_sorter.ex

@@ -14,7 +14,6 @@ defmodule Philomena.ImageSorter do
     comment_count
     tag_count
     wilson_score
-    _score
   )
 
   def parse_sort(params) do
@@ -27,7 +26,11 @@ defmodule Philomena.ImageSorter do
   defp parse_sd(_params), do: "desc"
 
   defp parse_sf(%{"sf" => sf}, sd) when sf in @allowed_fields do
-    %{queries: [], sorts: [%{sf => sd}]}
+    %{queries: [], sorts: [%{sf => sd}], constant_score: true}
+  end
+
+  defp parse_sf(%{"sf" => "_score"}, sd) do
+    %{queries: [], sorts: [%{"_score" => sd}], constant_score: false}
   end
 
   defp parse_sf(%{"sf" => "random"}, sd) do
@@ -52,23 +55,24 @@ defmodule Philomena.ImageSorter do
           sorts: [%{
             "galleries.position" => %{
               order: sd,
-              nested_path: :galleries,
-              nested_filter: %{
-                term: %{
-                  "galleries.id": gallery
+              nested: %{
+                path: :galleries,
+                filter: %{
+                  term: %{"galleries.id" => gallery}
                 }
               }
             }
-          }]
+          }],
+          constant_score: true
         }
 
       _ ->
-        %{queries: [%{match_none: %{}}], sorts: []}
+        %{queries: [%{match_none: %{}}], sorts: [], constant_score: true}
     end
   end
 
   defp parse_sf(_params, sd) do
-    %{queries: [], sorts: [%{"created_at" => sd}]}
+    %{queries: [], sorts: [%{"created_at" => sd}], constant_score: true}
   end
 
   defp random_query(seed, sd) do
@@ -76,11 +80,12 @@ defmodule Philomena.ImageSorter do
       queries: [%{
         function_score: %{
           query:        %{match_all: %{}},
-          random_score: %{seed: seed},
+          random_score: %{seed: seed, field: :id},
           boost_mode:   :replace
         }
       }],
-      sorts: [%{"_score" => sd}]
+      sorts: [%{"_score" => sd}],
+      constant_score: true
     }
   end
 end

lib/philomena_web/controllers/search_controller.ex

@@ -9,7 +9,7 @@ defmodule PhilomenaWeb.SearchController do
     user = conn.assigns.current_user
     sort = ImageSorter.parse_sort(params)
 
-    case ImageLoader.search_string(conn, params["q"], sorts: sort.sorts, queries: sort.queries) do
+    case ImageLoader.search_string(conn, params["q"], sorts: sort.sorts, queries: sort.queries, constant_score: sort.constant_score) do
       {:ok, {images, tags}} ->
         interactions =
           Interactions.user_interactions(images, user)

lib/philomena_web/image_loader.ex

@@ -18,14 +18,16 @@ defmodule PhilomenaWeb.ImageLoader do
   end
 
   def query(conn, body, options \\ []) do
-    sort_queries = Keyword.get(options, :queries, [])
-    sort_sorts   = Keyword.get(options, :sorts, [%{created_at: :desc}])
-    pagination   = Keyword.get(options, :pagination, conn.assigns.image_pagination)
-    queryable    = Keyword.get(options, :queryable, Image |> preload(:tags))
+    sort_queries   = Keyword.get(options, :queries, [])
+    sort_sorts     = Keyword.get(options, :sorts, [%{created_at: :desc}])
+    pagination     = Keyword.get(options, :pagination, conn.assigns.image_pagination)
+    queryable      = Keyword.get(options, :queryable, Image |> preload(:tags))
+    constant_score = Keyword.get(options, :constant_score, true)
 
     user    = conn.assigns.current_user
     filter  = conn.assigns.compiled_filter
     filters = create_filters(conn, user, filter)
+    body    = maybe_constant_score(body, constant_score)
 
     records =
       Elasticsearch.search_records(
@@ -93,6 +95,9 @@ defmodule PhilomenaWeb.ImageLoader do
   defp maybe_custom_hide(filters, _user, _param),
     do: filters
 
+  defp maybe_constant_score(body, false), do: body
+  defp maybe_constant_score(body, _), do: %{bool: %{filter: body}}
+
   # TODO: the search parser should try to optimize queries
   defp search_tag_name(%{term: %{"namespaced_tags.name" => tag_name}}), do: [tag_name]
   defp search_tag_name(_other_query), do: []

lib/philomena_web/templates/gallery/show.html.slime

@@ -8,7 +8,7 @@ elixir:
 #sortable
   .block#imagelist-container
     section.block__header.flex
-      h1.block__header__title.hide-mobile
+      span.block__header__title.hide-mobile
         ' Viewing gallery
         strong>
           = @gallery.title
@@ -16,6 +16,8 @@ elixir:
       = pagination
 
       .flex__right
+        = render PhilomenaWeb.ImageView, "_random_button.html", conn: @conn, params: scope
+
         a href=Routes.gallery_report_path(@conn, :new, @gallery)
           i.fa.fa-exclamation-triangle>
           span.hide-mobile Report

lib/philomena_web/templates/image/_random_button.html.slime

@@ -0,0 +1,3 @@
+a href=Routes.image_random_path(@conn, :index, @params) title="Random Image"
+  i.fa.fa-random>
+  span.hide-mobile.hide-limited-desktop Random Image

lib/philomena_web/templates/image/index.html.slime

@@ -16,6 +16,7 @@ elixir:
     = pagination
 
     .flex__right
+      = random_button @conn, params
       = hidden_toggle @conn, route, params
       = deleted_toggle @conn, route, params
       = quick_tag @conn

lib/philomena_web/views/image_view.ex

@@ -178,6 +178,10 @@ defmodule PhilomenaWeb.ImageView do
 
   def hides_images?(conn), do: can?(conn, :hide, %Philomena.Images.Image{})
 
+  def random_button(conn, params) do
+    render PhilomenaWeb.ImageView, "_random_button.html", conn: conn, params: params
+  end
+
   def hidden_toggle(%{assigns: %{current_user: nil}}, _route, _params), do: nil
   def hidden_toggle(conn, route, params) do
     render PhilomenaWeb.ImageView, "_hidden_toggle.html", route: route, params: params, conn: conn