X-Git-Url: http://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Fuser%2Fsearch.ex;h=6b55df483b76944ba6276f25033ea30f76841628;hb=9ef912aecfbeef670db0614ec2014321c37f3b7a;hp=6fb2c2352f8aa9655f635ffc687ae40fb26f95ad;hpb=cc6c0b4ba6762e6a9b0a90c3dcda3f95283eb22a;p=akkoma

diff --git a/lib/pleroma/user/search.ex b/lib/pleroma/user/search.ex
index 6fb2c2352..6b55df483 100644
--- a/lib/pleroma/user/search.ex
+++ b/lib/pleroma/user/search.ex
@@ -4,11 +4,9 @@
 
 defmodule Pleroma.User.Search do
   alias Pleroma.Pagination
-  alias Pleroma.Repo
   alias Pleroma.User
   import Ecto.Query
 
-  @similarity_threshold 0.25
   @limit 20
 
   def search(query_string, opts \\ []) do
@@ -23,18 +21,10 @@ defmodule Pleroma.User.Search do
 
     maybe_resolve(resolve, for_user, query_string)
 
-    {:ok, results} =
-      Repo.transaction(fn ->
-        Ecto.Adapters.SQL.query(
-          Repo,
-          "select set_limit(#{@similarity_threshold})",
-          []
-        )
-
-        query_string
-        |> search_query(for_user, following)
-        |> Pagination.fetch_paginated(%{"offset" => offset, "limit" => result_limit}, :offset)
-      end)
+    results =
+      query_string
+      |> search_query(for_user, following)
+      |> Pagination.fetch_paginated(%{"offset" => offset, "limit" => result_limit}, :offset)
 
     results
   end
@@ -55,27 +45,76 @@ defmodule Pleroma.User.Search do
     for_user
     |> base_query(following)
     |> filter_blocked_user(for_user)
+    |> filter_invisible_users()
     |> filter_blocked_domains(for_user)
-    |> search_subqueries(query_string)
-    |> union_subqueries
-    |> distinct_query()
-    |> boost_search_rank_query(for_user)
+    |> fts_search(query_string)
+    |> trigram_rank(query_string)
+    |> boost_search_rank(for_user)
     |> subquery()
     |> order_by(desc: :search_rank)
     |> maybe_restrict_local(for_user)
   end
 
+  defp fts_search(query, query_string) do
+    query_string = to_tsquery(query_string)
+
+    from(
+      u in query,
+      where:
+        fragment(
+          """
+          (to_tsvector('simple', ?) || to_tsvector('simple', ?)) @@ to_tsquery('simple', ?)
+          """,
+          u.name,
+          u.nickname,
+          ^query_string
+        )
+    )
+  end
+
+  defp to_tsquery(query_string) do
+    String.trim_trailing(query_string, "@" <> local_domain())
+    |> String.replace(~r/[!-\/|@|[-`|{-~|:-?]+/, " ")
+    |> String.trim()
+    |> String.split()
+    |> Enum.map(&(&1 <> ":*"))
+    |> Enum.join(" | ")
+  end
+
+  defp trigram_rank(query, query_string) do
+    from(
+      u in query,
+      select_merge: %{
+        search_rank:
+          fragment(
+            "similarity(?, trim(? || ' ' || coalesce(?, '')))",
+            ^query_string,
+            u.nickname,
+            u.name
+          )
+      }
+    )
+  end
+
   defp base_query(_user, false), do: User
   defp base_query(user, true), do: User.get_followers_query(user)
 
-  defp filter_blocked_user(query, %User{info: %{blocks: blocks}})
-       when length(blocks) > 0 do
-    from(q in query, where: not (q.ap_id in ^blocks))
+  defp filter_invisible_users(query) do
+    from(q in query, where: q.invisible == false)
+  end
+
+  defp filter_blocked_user(query, %User{} = blocker) do
+    query
+    |> join(:left, [u], b in Pleroma.UserRelationship,
+      as: :blocks,
+      on: b.relationship_type == ^:block and b.source_id == ^blocker.id and u.id == b.target_id
+    )
+    |> where([blocks: b], is_nil(b.target_id))
   end
 
   defp filter_blocked_user(query, _), do: query
 
-  defp filter_blocked_domains(query, %User{info: %{domain_blocks: domain_blocks}})
+  defp filter_blocked_domains(query, %User{domain_blocks: domain_blocks})
        when length(domain_blocks) > 0 do
     domains = Enum.join(domain_blocks, ",")
 
@@ -87,21 +126,6 @@ defmodule Pleroma.User.Search do
 
   defp filter_blocked_domains(query, _), do: query
 
-  defp union_subqueries({fts_subquery, trigram_subquery}) do
-    from(s in trigram_subquery, union_all: ^fts_subquery)
-  end
-
-  defp search_subqueries(base_query, query_string) do
-    {
-      fts_search_subquery(base_query, query_string),
-      trigram_search_subquery(base_query, query_string)
-    }
-  end
-
-  defp distinct_query(q) do
-    from(s in subquery(q), order_by: s.search_type, distinct: s.id)
-  end
-
   defp maybe_resolve(true, user, query) do
     case {limit(), user} do
       {:all, _} -> :noop
@@ -126,9 +150,9 @@ defmodule Pleroma.User.Search do
 
   defp restrict_local(q), do: where(q, [u], u.local == true)
 
-  defp boost_search_rank_query(query, nil), do: query
+  defp local_domain, do: Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
 
-  defp boost_search_rank_query(query, for_user) do
+  defp boost_search_rank(query, %User{} = for_user) do
     friends_ids = User.get_friends_ids(for_user)
     followers_ids = User.get_followers_ids(for_user)
 
@@ -137,8 +161,8 @@ defmodule Pleroma.User.Search do
         search_rank:
           fragment(
             """
-             CASE WHEN (?) THEN 0.5 + (?) * 1.3
-             WHEN (?) THEN 0.5 + (?) * 1.2
+             CASE WHEN (?) THEN (?) * 1.5
+             WHEN (?) THEN (?) * 1.3
              WHEN (?) THEN (?) * 1.1
              ELSE (?) END
             """,
@@ -154,70 +178,5 @@ defmodule Pleroma.User.Search do
     )
   end
 
-  @spec fts_search_subquery(User.t() | Ecto.Query.t(), String.t()) :: Ecto.Query.t()
-  defp fts_search_subquery(query, term) do
-    processed_query =
-      String.trim_trailing(term, "@" <> local_domain())
-      |> String.replace(~r/[!-\/|@|[-`|{-~|:-?]+/, " ")
-      |> String.trim()
-      |> String.split()
-      |> Enum.map(&(&1 <> ":*"))
-      |> Enum.join(" | ")
-
-    from(
-      u in query,
-      select_merge: %{
-        search_type: ^0,
-        search_rank:
-          fragment(
-            """
-            ts_rank_cd(
-              setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
-              setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B'),
-              to_tsquery('simple', ?),
-              32
-            )
-            """,
-            u.nickname,
-            u.name,
-            ^processed_query
-          )
-      },
-      where:
-        fragment(
-          """
-            (setweight(to_tsvector('simple', regexp_replace(?, '\\W', ' ', 'g')), 'A') ||
-            setweight(to_tsvector('simple', regexp_replace(coalesce(?, ''), '\\W', ' ', 'g')), 'B')) @@ to_tsquery('simple', ?)
-          """,
-          u.nickname,
-          u.name,
-          ^processed_query
-        )
-    )
-    |> User.restrict_deactivated()
-  end
-
-  @spec trigram_search_subquery(User.t() | Ecto.Query.t(), String.t()) :: Ecto.Query.t()
-  defp trigram_search_subquery(query, term) do
-    term = String.trim_trailing(term, "@" <> local_domain())
-
-    from(
-      u in query,
-      select_merge: %{
-        # ^1 gives 'Postgrex expected a binary, got 1' for some weird reason
-        search_type: fragment("?", 1),
-        search_rank:
-          fragment(
-            "similarity(?, trim(? || ' ' || coalesce(?, '')))",
-            ^term,
-            u.nickname,
-            u.name
-          )
-      },
-      where: fragment("trim(? || ' ' || coalesce(?, '')) % ?", u.nickname, u.name, ^term)
-    )
-    |> User.restrict_deactivated()
-  end
-
-  defp local_domain, do: Pleroma.Config.get([Pleroma.Web.Endpoint, :url, :host])
+  defp boost_search_rank(query, _for_user), do: query
 end