From df548a4943def16cf10fadebcbb45a007563fa99 Mon Sep 17 00:00:00 2001
From: miraikumiko <miraikumiko@disroot.org>
Date: Wed, 18 Jun 2025 09:13:59 +0200
Subject: [PATCH] Update

---
 lib/nulla/activitypub.ex                      | 81 +++++++---------
 lib/nulla/models/activity.ex                  |  2 +-
 lib/nulla/models/actor.ex                     |  2 +-
 lib/nulla/models/instance_settings.ex         |  6 +-
 lib/nulla/models/relation.ex                  | 61 ++++++++++--
 lib/nulla/models/user.ex                      |  2 +-
 lib/nulla/utils.ex                            | 94 +------------------
 lib/nulla_web/components/templates.ex         | 18 ++--
 .../components/templates/actor/show.html.heex |  5 +-
 .../controllers/follow_controller.ex          | 26 ++---
 lib/nulla_web/controllers/inbox_controller.ex | 15 +--
 ...0250527054942_create_instance_settings.exs |  4 +-
 12 files changed, 137 insertions(+), 179 deletions(-)

diff --git a/lib/nulla/activitypub.ex b/lib/nulla/activitypub.ex
index 16183a4..838aae4 100644
--- a/lib/nulla/activitypub.ex
+++ b/lib/nulla/activitypub.ex
@@ -1,4 +1,9 @@
 defmodule Nulla.ActivityPub do
+  alias Nulla.Models.Actor
+  alias Nulla.Models.Activity
+  alias Nulla.Models.Note
+  alias Nulla.Models.InstanceSettings
+
   @spec context() :: list()
   defp context do
     [
@@ -25,7 +30,7 @@ defmodule Nulla.ActivityPub do
     ]
   end
 
-  @spec actor(Nulla.Models.Actor.t()) :: Jason.OrderedObject.t()
+  @spec actor(Actor.t()) :: Jason.OrderedObject.t()
   def actor(actor) do
     Jason.OrderedObject.new(
       "@context": context(),
@@ -57,7 +62,7 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec note(String.t(), Nulla.Models.Note.t()) :: Jason.OrderedObject.t()
+  @spec note(String.t(), Note.t()) :: Jason.OrderedObject.t()
   def note(domain, note) do
     attachment =
       case note.media_attachments do
@@ -102,7 +107,7 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec activity(String.t(), Nulla.Models.Activity.t()) :: Jason.OrderedObject.t()
+  @spec activity(String.t(), Activity.t()) :: Jason.OrderedObject.t()
   def activity(domain, activity) do
     Jason.OrderedObject.new(
       "@context": "https://www.w3.org/ns/activitystreams",
@@ -113,35 +118,28 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec following(String.t(), Nulla.Models.Actor.t(), Integer.t()) :: Jason.OrderedObject.t()
-  def following(domain, actor, total) do
+  @spec following(Actor.t(), Integer.t()) :: Jason.OrderedObject.t()
+  def following(actor, total) do
     Jason.OrderedObject.new(
       "@context": "https://www.w3.org/ns/activitystreams",
-      id: "https://#{domain}/users/#{actor.preferredUsername}/following",
+      id: "https://#{actor.domain}/users/#{actor.preferredUsername}/following",
       type: "OrderedCollection",
       totalItems: total,
-      first: "https://#{domain}/users/#{actor.preferredUsername}/following?page=1"
+      first: "https://#{actor.domain}/users/#{actor.preferredUsername}/following?page=1"
     )
   end
 
-  @spec following(
-          String.t(),
-          Nulla.Models.Actor.t(),
-          Integer.t(),
-          List.t(),
-          Integer.t(),
-          Integer.t()
-        ) :: Jason.OrderedObject.t()
-  def following(domain, actor, total, following_list, page, offset)
-      when is_integer(page) and page > 0 do
+  @spec following(Actor.t(), Integer.t(), List.t(), Integer.t(), Integer.t()) ::
+          Jason.OrderedObject.t()
+  def following(actor, total, following_list, page, limit) when is_integer(page) and page > 0 do
     data = [
       "@context": "https://www.w3.org/ns/activitystreams",
-      id: "https://#{domain}/@#{actor.preferredUsername}/following?page=#{page}",
+      id: "https://#{actor.domain}/@#{actor.preferredUsername}/following?page=#{page}",
       type: "OrderedCollectionPage",
       totalItems: total,
-      next: "https://#{domain}/users/#{actor.preferredUsername}/following?page=#{page + 1}",
-      prev: "https://#{domain}/users/#{actor.preferredUsername}/following?page=#{page - 1}",
-      partOf: "https://#{domain}/users/#{actor.preferredUsername}/following",
+      next: "https://#{actor.domain}/users/#{actor.preferredUsername}/following?page=#{page + 1}",
+      prev: "https://#{actor.domain}/users/#{actor.preferredUsername}/following?page=#{page - 1}",
+      partOf: "https://#{actor.domain}/users/#{actor.preferredUsername}/following",
       orderedItems: following_list
     ]
 
@@ -153,7 +151,7 @@ defmodule Nulla.ActivityPub do
       end
 
     data =
-      if page * offset > total do
+      if page * limit > total do
         data
         |> Keyword.delete(:next)
         |> Keyword.delete(:prev)
@@ -164,35 +162,29 @@ defmodule Nulla.ActivityPub do
     Jason.OrderedObject.new(data)
   end
 
-  @spec followers(String.t(), Nulla.Models.Actor.t(), Integer.t()) :: Jason.OrderedObject.t()
-  def followers(domain, actor, total) do
+  @spec followers(Actor.t(), Integer.t()) :: Jason.OrderedObject.t()
+  def followers(actor, total) do
     Jason.OrderedObject.new(
       "@context": "https://www.w3.org/ns/activitystreams",
-      id: "https://#{domain}/users/#{actor.preferredUsername}/followers",
+      id: "https://#{actor.domain}/users/#{actor.preferredUsername}/followers",
       type: "OrderedCollection",
       totalItems: total,
-      first: "https://#{domain}/users/#{actor.preferredUsername}/followers?page=1"
+      first: "https://#{actor.domain}/users/#{actor.preferredUsername}/followers?page=1"
     )
   end
 
-  @spec followers(
-          String.t(),
-          Nulla.Models.Actor.t(),
-          Integer.t(),
-          List.t(),
-          Integer.t(),
-          Integer.t()
-        ) :: Jason.OrderedObject.t()
-  def followers(domain, actor, total, followers_list, page, offset)
+  @spec followers(Actor.t(), Integer.t(), List.t(), Integer.t(), Integer.t()) ::
+          Jason.OrderedObject.t()
+  def followers(actor, total, followers_list, page, limit)
       when is_integer(page) and page > 0 do
     data = [
       "@context": "https://www.w3.org/ns/activitystreams",
-      id: "https://#{domain}/users#{actor.preferredUsername}/followers?page=#{page}",
+      id: "https://#{actor.domain}/users#{actor.preferredUsername}/followers?page=#{page}",
       type: "OrderedCollectionPage",
       totalItems: total,
-      next: "https://#{domain}/users/#{actor.preferredUsername}/followers?page=#{page + 1}",
-      prev: "https://#{domain}/users/#{actor.preferredUsername}/followers?page=#{page - 1}",
-      partOf: "https://#{domain}/users/#{actor.preferredUsername}/followers",
+      next: "https://#{actor.domain}/users/#{actor.preferredUsername}/followers?page=#{page + 1}",
+      prev: "https://#{actor.domain}/users/#{actor.preferredUsername}/followers?page=#{page - 1}",
+      partOf: "https://#{actor.domain}/users/#{actor.preferredUsername}/followers",
       orderedItems: followers_list
     ]
 
@@ -204,7 +196,7 @@ defmodule Nulla.ActivityPub do
       end
 
     data =
-      if page * offset > total do
+      if page * limit > total do
         data
         |> Keyword.delete(:next)
         |> Keyword.delete(:prev)
@@ -215,7 +207,7 @@ defmodule Nulla.ActivityPub do
     Jason.OrderedObject.new(data)
   end
 
-  @spec webfinger(Nulla.Models.Actor.t()) :: Jason.OrderedObject.t()
+  @spec webfinger(Actor.t()) :: Jason.OrderedObject.t()
   def webfinger(actor) do
     Jason.OrderedObject.new(
       subject: "#{actor.preferredUsername}@#{actor.domain}",
@@ -255,8 +247,7 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec nodeinfo(String.t(), Map.t(), Nulla.Models.InstanceSettings.t()) ::
-          Jason.OrderedObject.t()
+  @spec nodeinfo(String.t(), Map.t(), InstanceSettings.t()) :: Jason.OrderedObject.t()
   def nodeinfo(version, users, instance) do
     Jason.OrderedObject.new(
       version: "2.0",
@@ -323,7 +314,7 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec activity_note(Nulla.Models.Note.t()) :: Jason.OrderedObject.t()
+  @spec activity_note(Note.t()) :: Jason.OrderedObject.t()
   def activity_note(note) do
     Jason.OrderedObject.new(
       id:
@@ -349,7 +340,7 @@ defmodule Nulla.ActivityPub do
     )
   end
 
-  @spec follow_accept(Nulla.Models.Activity.t()) :: Jason.OrderedObject.t()
+  @spec follow_accept(Activity.t()) :: Jason.OrderedObject.t()
   def follow_accept(activity) do
     Jason.OrderedObject.new(
       "@context": "https://www.w3.org/ns/activitystreams",
diff --git a/lib/nulla/models/activity.ex b/lib/nulla/models/activity.ex
index f2649bf..f752917 100644
--- a/lib/nulla/models/activity.ex
+++ b/lib/nulla/models/activity.ex
@@ -28,7 +28,7 @@ defmodule Nulla.Models.Activity do
 
     %__MODULE__{}
     |> __MODULE__.changeset(attrs)
-    |> Changeset.put_change(:id, id)
+    |> put_change(:id, id)
     |> Repo.insert()
   end
 end
diff --git a/lib/nulla/models/actor.ex b/lib/nulla/models/actor.ex
index d181c38..8db516e 100644
--- a/lib/nulla/models/actor.ex
+++ b/lib/nulla/models/actor.ex
@@ -106,7 +106,7 @@ defmodule Nulla.Models.Actor do
 
     %__MODULE__{}
     |> changeset(attrs)
-    |> Changeset.put_change(:id, id)
+    |> put_change(:id, id)
     |> Repo.insert()
   end
 
diff --git a/lib/nulla/models/instance_settings.ex b/lib/nulla/models/instance_settings.ex
index 0a2f38f..37ffe88 100644
--- a/lib/nulla/models/instance_settings.ex
+++ b/lib/nulla/models/instance_settings.ex
@@ -11,7 +11,7 @@ defmodule Nulla.Models.InstanceSettings do
     field :registration, :boolean, default: false
     field :max_characters, :integer, default: 5000
     field :max_upload_size, :integer, default: 50
-    field :api_offset, :integer, default: 100
+    field :api_limit, :integer, default: 100
     field :public_key, :string
     field :private_key, :string
   end
@@ -26,7 +26,7 @@ defmodule Nulla.Models.InstanceSettings do
       :registration,
       :max_characters,
       :max_upload_size,
-      :api_offset,
+      :api_limit,
       :public_key,
       :private_key
     ])
@@ -37,7 +37,7 @@ defmodule Nulla.Models.InstanceSettings do
       :registration,
       :max_characters,
       :max_upload_size,
-      :api_offset,
+      :api_limit,
       :public_key,
       :private_key
     ])
diff --git a/lib/nulla/models/relation.ex b/lib/nulla/models/relation.ex
index 7d05339..3799af9 100644
--- a/lib/nulla/models/relation.ex
+++ b/lib/nulla/models/relation.ex
@@ -1,6 +1,7 @@
 defmodule Nulla.Models.Relation do
   use Ecto.Schema
   import Ecto.Changeset
+  import Ecto.Query
   alias Nulla.Repo
   alias Nulla.Snowflake
   alias Nulla.Models.Actor
@@ -21,8 +22,8 @@ defmodule Nulla.Models.Relation do
     field :requested, :boolean, default: false
     field :note, :string
 
-    belongs_to :local_actor_id, Actor
-    belongs_to :remote_actor_id, Actor
+    belongs_to :local_actor, Actor
+    belongs_to :remote_actor, Actor
 
     timestamps()
   end
@@ -44,19 +45,65 @@ defmodule Nulla.Models.Relation do
       :domain_blocking,
       :requested,
       :note,
-      :source_id,
-      :target_id
+      :local_actor_id,
+      :remote_actor_id
     ])
     |> validate_required([:id, :local_actor_id, :remote_actor_id])
     |> unique_constraint([:local_actor_id, :remote_actor_id])
   end
 
-   def create_relation(attrs) do
+  def create_relation(attrs) do
     id = Snowflake.next_id()
 
     %__MODULE__{}
     |> __MODULE__.changeset(attrs)
-    |> Changeset.put_change(:id, id)
+    |> put_change(:id, id)
     |> Repo.insert()
-  end 
+  end
+
+  def count_following(local_actor_id) do
+    __MODULE__
+    |> where([r], r.local_actor_id == ^local_actor_id and r.following == true)
+    |> select([r], count(r.id))
+    |> Repo.one()
+  end
+
+  def get_following(local_actor_id, page, limit) when is_integer(page) and page > 0 do
+    offset = (page - 1) * limit
+
+    query =
+      from r in __MODULE__,
+        join: a in Actor,
+        on: a.id == r.remote_actor_id,
+        where: r.local_actor_id == ^local_actor_id and r.following == true,
+        order_by: [asc: a.published],
+        offset: ^offset,
+        limit: ^limit,
+        select: a
+
+    Repo.all(query)
+  end
+
+  def count_followers(local_actor_id) do
+    __MODULE__
+    |> where([r], r.local_actor_id == ^local_actor_id and r.followed_by == true)
+    |> select([r], count(r.id))
+    |> Repo.one()
+  end
+
+  def get_followers(local_actor_id, page, limit) when is_integer(page) and page > 0 do
+    offset = (page - 1) * limit
+
+    query =
+      from r in __MODULE__,
+        join: a in Actor,
+        on: a.id == r.remote_actor_id,
+        where: r.local_actor_id == ^local_actor_id and r.followed_by == true,
+        order_by: [asc: a.published],
+        offset: ^offset,
+        limit: ^limit,
+        select: a
+
+    Repo.all(query)
+  end
 end
diff --git a/lib/nulla/models/user.ex b/lib/nulla/models/user.ex
index 9d5966d..7766afe 100644
--- a/lib/nulla/models/user.ex
+++ b/lib/nulla/models/user.ex
@@ -69,7 +69,7 @@ defmodule Nulla.Models.User do
 
   def update_last_active(user) do
     user
-    |> Changeset.change(last_active_at: DateTime.utc_now())
+    |> change(last_active_at: DateTime.utc_now())
     |> Repo.update()
   end
 end
diff --git a/lib/nulla/utils.ex b/lib/nulla/utils.ex
index fc788c0..4e74f08 100644
--- a/lib/nulla/utils.ex
+++ b/lib/nulla/utils.ex
@@ -1,102 +1,16 @@
 defmodule Nulla.Utils do
-  import Ecto.Query
-  alias Nulla.Repo
-  alias Nulla.Models.User
-  alias Nulla.Models.Follow
+  alias Nulla.Models.Actor
   alias Nulla.Models.InstanceSettings
 
-  def count_following_by_username!(username) do
-    case Repo.get_by(User, username: username) do
-      nil ->
-        {:error, :user_not_found}
-
-      %User{id: user_id} ->
-        count =
-          Follow
-          |> where([f], f.user_id == ^user_id)
-          |> select([f], count(f.id))
-          |> Repo.one()
-
-        count
-    end
-  end
-
-  def get_following_users_by_username!(username, page) when is_integer(page) and page > 0 do
-    case Repo.get_by(User, username: username) do
-      nil ->
-        {:error, :user_not_found}
-
-      %User{id: user_id} ->
-        instance_settings = InstanceSettings.get_instance_settings!()
-        per_page = instance_settings.api_offset
-        offset = (page - 1) * per_page
-
-        query =
-          from(
-            [f, u] in from(f in Follow,
-              join: u in User,
-              on: u.id == f.target_id,
-              where: f.user_id == ^user_id,
-              order_by: [asc: u.inserted_at],
-              offset: ^offset,
-              limit: ^per_page,
-              select: u
-            )
-          )
-
-        users = Repo.all(query)
-
-        users
-    end
-  end
-
-  def count_followers_by_username!(username) do
-    case Repo.get_by(User, username: username) do
-      nil ->
-        0
-
-      %User{id: user_id} ->
-        from(f in Follow, where: f.target_id == ^user_id)
-        |> select([f], count(f.id))
-        |> Repo.one()
-    end
-  end
-
-  def get_followers_by_username!(username, page) when is_integer(page) and page > 0 do
-    case Repo.get_by(User, username: username) do
-      nil ->
-        {:error, :user_not_found}
-
-      %User{id: user_id} ->
-        instance_settings = InstanceSettings.get_instance_settings!()
-        per_page = instance_settings.api_offset
-        offset = (page - 1) * per_page
-
-        query =
-          from f in Follow,
-            where: f.target_id == ^user_id,
-            join: u in User,
-            on: u.id == f.user_id,
-            order_by: [asc: u.inserted_at],
-            offset: ^offset,
-            limit: ^per_page,
-            select: u
-
-        users = Repo.all(query)
-
-        users
-    end
-  end
-
   def resolve_local_actor("https://" <> _ = uri) do
     case URI.parse(uri).path do
       "/@" <> username ->
         instance_settings = InstanceSettings.get_instance_settings!()
         domain = instance_settings.domain
 
-        case User.get_user_by_username_and_domain(username, domain) do
+        case Actor.get_actor(username, domain) do
           nil -> {:error, :not_found}
-          user -> {:ok, user}
+          user -> user
         end
 
       _ ->
@@ -110,7 +24,7 @@ defmodule Nulla.Utils do
         {"Accept", "application/activity+json"}
       ])
 
-    case Finch.request(request, MyApp.Finch) do
+    case Finch.request(request, Finch) do
       {:ok, %Finch.Response{status: 200, body: body}} ->
         case Jason.decode(body) do
           {:ok, data} -> {:ok, data}
diff --git a/lib/nulla_web/components/templates.ex b/lib/nulla_web/components/templates.ex
index 817fa17..6a61d9b 100644
--- a/lib/nulla_web/components/templates.ex
+++ b/lib/nulla_web/components/templates.ex
@@ -18,33 +18,37 @@ defmodule NullaWeb.ActorHTML do
   def format_registration_date(date) do
     now = Date.utc_today()
     formatted = Date.to_string(date) |> String.replace("-", "/")
-  
+
     diff_days = Date.diff(now, date)
-  
+
     cond do
       diff_days == 0 ->
         "#{formatted} (today)"
-  
+
       diff_days == 1 ->
         "#{formatted} (1 day ago)"
-  
+
       diff_days < 30 ->
         "#{formatted} (#{diff_days} days ago)"
-  
+
       diff_days < 365 ->
         year_diff = now.year - date.year
         month_diff = now.month - date.month
         day_correction = if now.day < date.day, do: -1, else: 0
         months = year_diff * 12 + month_diff + day_correction
+
         if months == 1 do
           "#{formatted} (1 month ago)"
         else
           "#{formatted} (#{months} months ago)"
         end
-  
+
       true ->
         year_diff = now.year - date.year
-        years = if {now.month, now.day} < {date.month, date.day}, do: year_diff - 1, else: year_diff
+
+        years =
+          if {now.month, now.day} < {date.month, date.day}, do: year_diff - 1, else: year_diff
+
         if years == 1 do
           "#{formatted} (1 year ago)"
         else
diff --git a/lib/nulla_web/components/templates/actor/show.html.heex b/lib/nulla_web/components/templates/actor/show.html.heex
index fb5fedf..76d3f63 100644
--- a/lib/nulla_web/components/templates/actor/show.html.heex
+++ b/lib/nulla_web/components/templates/actor/show.html.heex
@@ -19,7 +19,8 @@
       <img src={@actor.image["url"]} class="w-full h-full object-cover" />
       <div class="absolute inset-0 flex items-end justify-between px-4 pb-2 pointer-events-none">
         <img
-          src={@actor.icon["url"]}}
+          src={@actor.icon["url"]}
+          }
           class="translate-y-1/2 rounded-full border-4 border-white w-[8.33vw] h-[8.33vw] min-w-[80px] min-h-[80px] max-w-[160px] max-h-[160px] pointer-events-auto"
         />
         <button class="px-8 py-2 rounded-full text-sm font-semibold border transition bg-black text-white border-black hover:bg-gray-900 pointer-events-auto">
@@ -81,7 +82,7 @@
       <%= for note <- @notes do %>
         <div class="p-4 border-b border-gray-300">
           <div class="flex items-start space-x-4">
-            <img src={@actor.icon["url"]}} class="rounded-full w-[58px] h-[58px]" />
+            <img src={@actor.icon["url"]} } class="rounded-full w-[58px] h-[58px]" />
             <div class="flex-1">
               <div class="flex justify-between items-start">
                 <div class="flex items-center space-x-2">
diff --git a/lib/nulla_web/controllers/follow_controller.ex b/lib/nulla_web/controllers/follow_controller.ex
index dce9ed9..e6448c5 100644
--- a/lib/nulla_web/controllers/follow_controller.ex
+++ b/lib/nulla_web/controllers/follow_controller.ex
@@ -1,16 +1,16 @@
 defmodule NullaWeb.FollowController do
   use NullaWeb, :controller
   alias Nulla.ActivityPub
-  alias Nulla.Utils
   alias Nulla.Models.Actor
+  alias Nulla.Models.Relation
   alias Nulla.Models.InstanceSettings
 
   def following(conn, %{"username" => username, "page" => page_param}) do
     instance_settings = InstanceSettings.get_instance_settings!()
     domain = instance_settings.domain
-    offset = instance_settings.offset
+    limit = instance_settings.limit
     actor = Actor.get_actor(username, domain)
-    total = Utils.count_following_by_username!(actor.preferredUsername)
+    total = Relation.count_following(actor.id)
 
     page =
       case Integer.parse(page_param) do
@@ -18,30 +18,30 @@ defmodule NullaWeb.FollowController do
         _ -> 1
       end
 
-    following_list = Utils.get_following_users_by_username!(actor.preferredUsername, page)
+    following_list = Relation.get_following(actor.id, page, limit)
 
     conn
     |> put_resp_content_type("application/activity+json")
-    |> json(ActivityPub.following(domain, actor, total, following_list, page, offset))
+    |> json(ActivityPub.following(actor, total, following_list, page, limit))
   end
 
   def following(conn, %{"username" => username}) do
     instance_settings = InstanceSettings.get_instance_settings!()
     domain = instance_settings.domain
     actor = Actor.get_actor(username, domain)
-    total = Utils.count_following_by_username!(actor.preferredUsername)
+    total = Relation.count_following(actor.id)
 
     conn
     |> put_resp_content_type("application/activity+json")
-    |> json(ActivityPub.following(domain, actor, total))
+    |> json(ActivityPub.following(actor, total))
   end
 
   def followers(conn, %{"username" => username, "page" => page_param}) do
     instance_settings = InstanceSettings.get_instance_settings!()
     domain = instance_settings.domain
-    offset = instance_settings.offset
+    limit = instance_settings.limit
     actor = Actor.get_actor(username, domain)
-    total = Utils.count_followers_by_username!(actor.preferredUsername)
+    total = Relation.count_followers(actor.id)
 
     page =
       case Integer.parse(page_param) do
@@ -49,21 +49,21 @@ defmodule NullaWeb.FollowController do
         _ -> 1
       end
 
-    followers_list = Utils.get_followers_by_username!(actor.preferredUsername, page)
+    followers_list = Relation.get_followers(actor.id, page, limit)
 
     conn
     |> put_resp_content_type("application/activity+json")
-    |> json(ActivityPub.followers(domain, actor, total, followers_list, page, offset))
+    |> json(ActivityPub.followers(actor, total, followers_list, page, limit))
   end
 
   def followers(conn, %{"username" => username}) do
     instance_settings = InstanceSettings.get_instance_settings!()
     domain = instance_settings.domain
     actor = Actor.get_actor(username, domain)
-    total = Utils.count_followers_by_username!(actor.preferredUsername)
+    total = Relation.count_followers(actor.id)
 
     conn
     |> put_resp_content_type("application/activity+json")
-    |> json(ActivityPub.followers(domain, actor, total))
+    |> json(ActivityPub.followers(actor, total))
   end
 end
diff --git a/lib/nulla_web/controllers/inbox_controller.ex b/lib/nulla_web/controllers/inbox_controller.ex
index 0f63a9b..06f3689 100644
--- a/lib/nulla_web/controllers/inbox_controller.ex
+++ b/lib/nulla_web/controllers/inbox_controller.ex
@@ -11,7 +11,7 @@ defmodule NullaWeb.InboxController do
         conn,
         %{"id" => follow_id, "type" => "Follow", "actor" => actor_uri, "object" => target_uri}
       ) do
-    with {:ok, target_actor} <- Utils.resolve_local_actor(target_uri),
+    with {:ok, local_actor} <- Utils.resolve_local_actor(target_uri),
          {:ok, remote_actor_json} <- Utils.fetch_remote_actor(actor_uri),
          :ok <- HTTPSignature.verify(conn, remote_actor_json),
          remote_actor <-
@@ -31,14 +31,15 @@ defmodule NullaWeb.InboxController do
          accept_activity <-
            Activity.create_activity(%{
              type: "Accept",
-             actor: target_actor.id,
+             actor: local_actor.id,
              object: follow_activity
            }),
-         relation <- Relation.create_relation(%{
-           followed_by: true,
-           local_actor_id: target_actor.id,
-           remote_actor_id: remote_actor.id
-         }) do
+         _ <-
+           Relation.create_relation(%{
+             followed_by: true,
+             local_actor_id: local_actor.id,
+             remote_actor_id: remote_actor.id
+           }) do
       conn
       |> put_resp_content_type("application/activity+json")
       |> send_resp(
diff --git a/priv/repo/migrations/20250527054942_create_instance_settings.exs b/priv/repo/migrations/20250527054942_create_instance_settings.exs
index 0f63ca5..e818f66 100644
--- a/priv/repo/migrations/20250527054942_create_instance_settings.exs
+++ b/priv/repo/migrations/20250527054942_create_instance_settings.exs
@@ -10,7 +10,7 @@ defmodule Nulla.Repo.Migrations.CreateInstanceSettings do
       add :registration, :boolean, default: false, null: false
       add :max_characters, :integer, default: 5000, null: false
       add :max_upload_size, :integer, default: 50, null: false
-      add :api_offset, :integer, default: 100, null: false
+      add :api_limit, :integer, default: 100, null: false
       add :public_key, :text
       add :private_key, :text
 
@@ -35,7 +35,7 @@ defmodule Nulla.Repo.Migrations.CreateInstanceSettings do
       sql = """
       INSERT INTO instance_settings (
         id, name, description, domain, registration,
-        max_characters, max_upload_size, api_offset,
+        max_characters, max_upload_size, api_limit,
         public_key, private_key, inserted_at, updated_at
       ) VALUES (
         1, 'Nulla', 'Freedom Social Network', '#{domain}', false,