API now respects ?limit param as long as it's within 2x default limit

7 files changed, 30 insertions, 26 deletions

diff --git a/app/controllers/api/v1/accounts_controller.rb b/app/controllers/api/v1/accounts_controller.rb
index 234844ed7..a43619193 100644
--- a/app/controllers/api/v1/accounts_controller.rb
+++ b/app/controllers/api/v1/accounts_controller.rb
@@ -16,13 +16,13 @@ class Api::V1::AccountsController < ApiController
   end
 
   def following
-    results   = Follow.where(account: @account).paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id])
+    results   = Follow.where(account: @account).paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
     accounts  = Account.where(id: results.map(&:target_account_id)).map { |a| [a.id, a] }.to_h
     @accounts = results.map { |f| accounts[f.target_account_id] }
 
     set_account_counters_maps(@accounts)
 
-    next_path = following_api_v1_account_url(max_id: results.last.id)    if results.size == DEFAULT_ACCOUNTS_LIMIT
+    next_path = following_api_v1_account_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
     prev_path = following_api_v1_account_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -31,13 +31,13 @@ class Api::V1::AccountsController < ApiController
   end
 
   def followers
-    results   = Follow.where(target_account: @account).paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id])
+    results   = Follow.where(target_account: @account).paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
     accounts  = Account.where(id: results.map(&:account_id)).map { |a| [a.id, a] }.to_h
     @accounts = results.map { |f| accounts[f.account_id] }
 
     set_account_counters_maps(@accounts)
 
-    next_path = followers_api_v1_account_url(max_id: results.last.id)    if results.size == DEFAULT_ACCOUNTS_LIMIT
+    next_path = followers_api_v1_account_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
     prev_path = followers_api_v1_account_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -46,13 +46,13 @@ class Api::V1::AccountsController < ApiController
   end
 
   def statuses
-    @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    @statuses = @account.statuses.permitted_for(@account, current_account).paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses, Status)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
 
-    next_path = statuses_api_v1_account_url(max_id: @statuses.last.id)    if @statuses.size == DEFAULT_STATUSES_LIMIT
+    next_path = statuses_api_v1_account_url(max_id: @statuses.last.id)    if @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = statuses_api_v1_account_url(since_id: @statuses.first.id) unless @statuses.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -98,8 +98,7 @@ class Api::V1::AccountsController < ApiController
   end
 
   def search
-    limit = params[:limit] ? [DEFAULT_ACCOUNTS_LIMIT, params[:limit].to_i].min : DEFAULT_ACCOUNTS_LIMIT
-    @accounts = SearchService.new.call(params[:q], limit, params[:resolve] == 'true')
+    @accounts = SearchService.new.call(params[:q], limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:resolve] == 'true')
 
     set_account_counters_maps(@accounts) unless @accounts.nil?
 
diff --git a/app/controllers/api/v1/blocks_controller.rb b/app/controllers/api/v1/blocks_controller.rb
index 8629242ab..b9816e052 100644
--- a/app/controllers/api/v1/blocks_controller.rb
+++ b/app/controllers/api/v1/blocks_controller.rb
@@ -7,13 +7,13 @@ class Api::V1::BlocksController < ApiController
   respond_to :json
 
   def index
-    results   = Block.where(account: current_account).paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id])
+    results   = Block.where(account: current_account).paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
     accounts  = Account.where(id: results.map(&:target_account_id)).map { |a| [a.id, a] }.to_h
     @accounts = results.map { |f| accounts[f.target_account_id] }
 
     set_account_counters_maps(@accounts)
 
-    next_path = api_v1_blocks_url(max_id: results.last.id)    if results.size == DEFAULT_ACCOUNTS_LIMIT
+    next_path = api_v1_blocks_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
     prev_path = api_v1_blocks_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
diff --git a/app/controllers/api/v1/favourites_controller.rb b/app/controllers/api/v1/favourites_controller.rb
index ea799fd55..ef0a4854a 100644
--- a/app/controllers/api/v1/favourites_controller.rb
+++ b/app/controllers/api/v1/favourites_controller.rb
@@ -7,13 +7,13 @@ class Api::V1::FavouritesController < ApiController
   respond_to :json
 
   def index
-    results   = Favourite.where(account: current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    results   = Favourite.where(account: current_account).paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(Status.where(id: results.map(&:status_id)), Status)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
 
-    next_path = api_v1_favourites_url(max_id: results.last.id)    if results.size == DEFAULT_STATUSES_LIMIT
+    next_path = api_v1_favourites_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = api_v1_favourites_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
diff --git a/app/controllers/api/v1/notifications_controller.rb b/app/controllers/api/v1/notifications_controller.rb
index ee12446d8..157a88e14 100644
--- a/app/controllers/api/v1/notifications_controller.rb
+++ b/app/controllers/api/v1/notifications_controller.rb
@@ -7,7 +7,7 @@ class Api::V1::NotificationsController < ApiController
   respond_to :json
 
   def index
-    @notifications = Notification.where(account: current_account).browserable.paginate_by_max_id(20, params[:max_id], params[:since_id])
+    @notifications = Notification.where(account: current_account).browserable.paginate_by_max_id(limit_param(15), params[:max_id], params[:since_id])
     @notifications = cache_collection(@notifications, Notification)
     statuses       = @notifications.select { |n| !n.target_status.nil? }.map(&:target_status)
 
@@ -15,7 +15,7 @@ class Api::V1::NotificationsController < ApiController
     set_counters_maps(statuses)
     set_account_counters_maps(@notifications.map(&:from_account))
 
-    next_path = api_v1_notifications_url(max_id: @notifications.last.id)    if @notifications.size == 20
+    next_path = api_v1_notifications_url(max_id: @notifications.last.id)    if @notifications.size == limit_param(15)
     prev_path = api_v1_notifications_url(since_id: @notifications.first.id) unless @notifications.empty?
 
     set_pagination_headers(next_path, prev_path)
diff --git a/app/controllers/api/v1/statuses_controller.rb b/app/controllers/api/v1/statuses_controller.rb
index da87ebbad..c8924ceda 100644
--- a/app/controllers/api/v1/statuses_controller.rb
+++ b/app/controllers/api/v1/statuses_controller.rb
@@ -27,13 +27,13 @@ class Api::V1::StatusesController < ApiController
   end
 
   def reblogged_by
-    results   = @status.reblogs.paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id])
+    results   = @status.reblogs.paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
     accounts  = Account.where(id: results.map(&:account_id)).map { |a| [a.id, a] }.to_h
     @accounts = results.map { |r| accounts[r.account_id] }
 
     set_account_counters_maps(@accounts)
 
-    next_path = reblogged_by_api_v1_status_url(max_id: results.last.id)    if results.size == DEFAULT_ACCOUNTS_LIMIT
+    next_path = reblogged_by_api_v1_status_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
     prev_path = reblogged_by_api_v1_status_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -42,13 +42,13 @@ class Api::V1::StatusesController < ApiController
   end
 
   def favourited_by
-    results   = @status.favourites.paginate_by_max_id(DEFAULT_ACCOUNTS_LIMIT, params[:max_id], params[:since_id])
+    results   = @status.favourites.paginate_by_max_id(limit_param(DEFAULT_ACCOUNTS_LIMIT), params[:max_id], params[:since_id])
     accounts  = Account.where(id: results.map(&:account_id)).map { |a| [a.id, a] }.to_h
     @accounts = results.map { |f| accounts[f.account_id] }
 
     set_account_counters_maps(@accounts)
 
-    next_path = favourited_by_api_v1_status_url(max_id: results.last.id)    if results.size == DEFAULT_ACCOUNTS_LIMIT
+    next_path = favourited_by_api_v1_status_url(max_id: results.last.id)    if results.size == limit_param(DEFAULT_ACCOUNTS_LIMIT)
     prev_path = favourited_by_api_v1_status_url(since_id: results.first.id) unless results.empty?
 
     set_pagination_headers(next_path, prev_path)
diff --git a/app/controllers/api/v1/timelines_controller.rb b/app/controllers/api/v1/timelines_controller.rb
index 9727797e5..5042550db 100644
--- a/app/controllers/api/v1/timelines_controller.rb
+++ b/app/controllers/api/v1/timelines_controller.rb
@@ -7,14 +7,14 @@ class Api::V1::TimelinesController < ApiController
   respond_to :json
 
   def home
-    @statuses = Feed.new(:home, current_account).get(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    @statuses = Feed.new(:home, current_account).get(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
     set_account_counters_maps(@statuses.flat_map { |s| [s.account, s.reblog? ? s.reblog.account : nil] }.compact.uniq)
 
-    next_path = api_v1_home_timeline_url(max_id: @statuses.last.id)    if @statuses.size == DEFAULT_STATUSES_LIMIT
+    next_path = api_v1_home_timeline_url(max_id: @statuses.last.id)    if @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = api_v1_home_timeline_url(since_id: @statuses.first.id) unless @statuses.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -23,14 +23,14 @@ class Api::V1::TimelinesController < ApiController
   end
 
   def mentions
-    @statuses = Feed.new(:mentions, current_account).get(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    @statuses = Feed.new(:mentions, current_account).get(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
     set_account_counters_maps(@statuses.flat_map { |s| [s.account, s.reblog? ? s.reblog.account : nil] }.compact.uniq)
 
-    next_path = api_v1_mentions_timeline_url(max_id: @statuses.last.id)    if @statuses.size == DEFAULT_STATUSES_LIMIT
+    next_path = api_v1_mentions_timeline_url(max_id: @statuses.last.id)    if @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = api_v1_mentions_timeline_url(since_id: @statuses.first.id) unless @statuses.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -39,14 +39,14 @@ class Api::V1::TimelinesController < ApiController
   end
 
   def public
-    @statuses = Status.as_public_timeline(current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    @statuses = Status.as_public_timeline(current_account).paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
     set_account_counters_maps(@statuses.flat_map { |s| [s.account, s.reblog? ? s.reblog.account : nil] }.compact.uniq)
 
-    next_path = api_v1_public_timeline_url(max_id: @statuses.last.id)    if @statuses.size == DEFAULT_STATUSES_LIMIT
+    next_path = api_v1_public_timeline_url(max_id: @statuses.last.id)    if @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = api_v1_public_timeline_url(since_id: @statuses.first.id) unless @statuses.empty?
 
     set_pagination_headers(next_path, prev_path)
@@ -56,14 +56,14 @@ class Api::V1::TimelinesController < ApiController
 
   def tag
     @tag      = Tag.find_by(name: params[:id].downcase)
-    @statuses = @tag.nil? ? [] : Status.as_tag_timeline(@tag, current_account).paginate_by_max_id(DEFAULT_STATUSES_LIMIT, params[:max_id], params[:since_id])
+    @statuses = @tag.nil? ? [] : Status.as_tag_timeline(@tag, current_account).paginate_by_max_id(limit_param(DEFAULT_STATUSES_LIMIT), params[:max_id], params[:since_id])
     @statuses = cache_collection(@statuses)
 
     set_maps(@statuses)
     set_counters_maps(@statuses)
     set_account_counters_maps(@statuses.flat_map { |s| [s.account, s.reblog? ? s.reblog.account : nil] }.compact.uniq)
 
-    next_path = api_v1_hashtag_timeline_url(params[:id], max_id: @statuses.last.id)    if @statuses.size == DEFAULT_STATUSES_LIMIT
+    next_path = api_v1_hashtag_timeline_url(params[:id], max_id: @statuses.last.id)    if @statuses.size == limit_param(DEFAULT_STATUSES_LIMIT)
     prev_path = api_v1_hashtag_timeline_url(params[:id], since_id: @statuses.first.id) unless @statuses.empty?
 
     set_pagination_headers(next_path, prev_path)
diff --git a/app/controllers/api_controller.rb b/app/controllers/api_controller.rb
index 00528d94d..5d2bd9a22 100644
--- a/app/controllers/api_controller.rb
+++ b/app/controllers/api_controller.rb
@@ -62,6 +62,11 @@ class ApiController < ApplicationController
     response.headers['Link'] = LinkHeader.new(links)
   end
 
+  def limit_param(default_limit)
+    return default_limit unless params[:limit]
+    [params[:limit].to_i.abs, default_limit * 2].min
+  end
+
   def current_resource_owner
     @current_user ||= User.find(doorkeeper_token.resource_owner_id) if doorkeeper_token
   end