Merge branch 'patch-1' into 'develop'

[akkoma] / lib / pleroma / user.ex

diff --git a/lib/pleroma/user.ex b/lib/pleroma/user.ex
index 3899c34c2f2a635ab3155bccddd7be32e3fc8d71..5fe79333e61d229ec4d4053a9920e20ee4c3b391 100644 (file)
--- a/lib/pleroma/user.ex
+++ b/lib/pleroma/user.ex
@@ -1,5 +1,5 @@
 # Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social/>
+# Copyright © 2017-2020 Pleroma Authors <https://pleroma.social/>
 # SPDX-License-Identifier: AGPL-3.0-only
 
 defmodule Pleroma.User do
@@ -647,25 +647,48 @@ defmodule Pleroma.User do
     end
   end
 
+  def unfollow(%User{ap_id: ap_id}, %User{ap_id: ap_id}) do
+    {:error, "Not subscribed!"}
+  end
+
   def unfollow(%User{} = follower, %User{} = followed) do
-    if following?(follower, followed) and follower.ap_id != followed.ap_id do
-      FollowingRelationship.unfollow(follower, followed)
+    case get_follow_state(follower, followed) do
+      state when state in ["accept", "pending"] ->
+        FollowingRelationship.unfollow(follower, followed)
+        {:ok, followed} = update_follower_count(followed)
 
-      {:ok, followed} = update_follower_count(followed)
+        {:ok, follower} =
+          follower
+          |> update_following_count()
+          |> set_cache()
 
-      {:ok, follower} =
-        follower
-        |> update_following_count()
-        |> set_cache()
+        {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
 
-      {:ok, follower, Utils.fetch_latest_follow(follower, followed)}
-    else
-      {:error, "Not subscribed!"}
+      nil ->
+        {:error, "Not subscribed!"}
     end
   end
 
   defdelegate following?(follower, followed), to: FollowingRelationship
 
+  def get_follow_state(%User{} = follower, %User{} = following) do
+    following_relationship = FollowingRelationship.get(follower, following)
+
+    case {following_relationship, following.local} do
+      {nil, false} ->
+        case Utils.fetch_latest_follow(follower, following) do
+          %{data: %{"state" => state}} when state in ["pending", "accept"] -> state
+          _ -> nil
+        end
+
+      {%{state: state}, _} ->
+        state
+
+      {nil, _} ->
+        nil
+    end
+  end
+
   def locked?(%User{} = user) do
     user.locked || false
   end
@@ -726,9 +749,18 @@ defmodule Pleroma.User do
     Cachex.del(:user_cache, "nickname:#{user.nickname}")
   end
 
+  @spec get_cached_by_ap_id(String.t()) :: User.t() | nil
   def get_cached_by_ap_id(ap_id) do
     key = "ap_id:#{ap_id}"
-    Cachex.fetch!(:user_cache, key, fn _ -> get_by_ap_id(ap_id) end)
+
+    with {:ok, nil} <- Cachex.get(:user_cache, key),
+         user when not is_nil(user) <- get_by_ap_id(ap_id),
+         {:ok, true} <- Cachex.put(:user_cache, key, user) do
+      user
+    else
+      {:ok, user} -> user
+      nil -> nil
+    end
   end
 
   def get_cached_by_id(id) do
@@ -830,14 +862,14 @@ defmodule Pleroma.User do
   @spec get_followers_query(User.t()) :: Ecto.Query.t()
   def get_followers_query(user), do: get_followers_query(user, nil)
 
-  @spec get_followers(User.t(), pos_integer()) :: {:ok, list(User.t())}
+  @spec get_followers(User.t(), pos_integer() | nil) :: {:ok, list(User.t())}
   def get_followers(user, page \\ nil) do
     user
     |> get_followers_query(page)
     |> Repo.all()
   end
 
-  @spec get_external_followers(User.t(), pos_integer()) :: {:ok, list(User.t())}
+  @spec get_external_followers(User.t(), pos_integer() | nil) :: {:ok, list(User.t())}
   def get_external_followers(user, page \\ nil) do
     user
     |> get_followers_query(page)
@@ -1281,7 +1313,6 @@ defmodule Pleroma.User do
     Repo.delete(user)
   end
 
-  @spec perform(atom(), User.t()) :: {:ok, User.t()}
   def perform(:fetch_initial_posts, %User{} = user) do
     pages = Pleroma.Config.get!([:fetch_initial_posts, :pages])
 
@@ -1313,7 +1344,6 @@ defmodule Pleroma.User do
     )
   end
 
-  @spec perform(atom(), User.t(), list()) :: list() | {:error, any()}
   def perform(:follow_import, %User{} = follower, followed_identifiers)
       when is_list(followed_identifiers) do
     Enum.map(
@@ -1512,7 +1542,7 @@ defmodule Pleroma.User do
     data
     |> Map.put(:name, blank?(data[:name]) || data[:nickname])
     |> remote_user_creation()
-    |> Repo.insert(on_conflict: :replace_all_except_primary_key, conflict_target: :nickname)
+    |> Repo.insert(on_conflict: {:replace_all_except, [:id]}, conflict_target: :nickname)
     |> set_cache()
   end