1 files changed, 58 insertions, 0 deletions
diff --git a/app/lib/feed_manager.rb b/app/lib/feed_manager.rb
index 145352fe8..c607223fc 100644
--- a/app/lib/feed_manager.rb
+++ b/app/lib/feed_manager.rb
@@ -45,6 +45,8 @@ class FeedManager
       filter_from_list?(status, receiver) || filter_from_home?(status, receiver.account_id, build_crutches(receiver.account_id, [status]))
     when :mentions
       filter_from_mentions?(status, receiver.id)
+    when :direct
+      filter_from_direct?(status, receiver.id)
     when :tags
       filter_from_tags?(status, receiver.id, build_crutches(receiver.id, [status]))
     else
@@ -102,6 +104,29 @@ class FeedManager
     true
   end
 
+  # Add a status to a linear direct message feed and send a streaming API update
+  # @param [Account] account
+  # @param [Status] status
+  # @return [Boolean]
+  def push_to_direct(account, status, update: false)
+    return false unless add_to_feed(:direct, account.id, status)
+
+    trim(:direct, account.id)
+    PushUpdateWorker.perform_async(account.id, status.id, "timeline:direct:#{account.id}") unless update
+    true
+  end
+
+  # Remove a status from a linear direct message feed and send a streaming API update
+  # @param [List] list
+  # @param [Status] status
+  # @return [Boolean]
+  def unpush_from_direct(account, status, update: false)
+    return false unless remove_from_feed(:direct, account.id, status)
+
+    redis.publish("timeline:direct:#{account.id}", Oj.dump(event: :delete, payload: status.id.to_s)) unless update
+    true
+  end
+
   # Fill a home feed with an account's statuses
   # @param [Account] from_account
   # @param [Account] into_account
@@ -266,6 +291,30 @@ class FeedManager
     end
   end
 
+  # Populate direct feed of account from scratch
+  # @param [Account] account
+  # @return [void]
+  def populate_direct_feed(account)
+    added  = 0
+    limit  = FeedManager::MAX_ITEMS / 2
+    max_id = nil
+
+    loop do
+      statuses = Status.as_direct_timeline(account, limit, max_id)
+
+      break if statuses.empty?
+
+      statuses.each do |status|
+        next if filter_from_direct?(status, account)
+        added += 1 if add_to_feed(:direct, account.id, status)
+      end
+
+      break unless added.zero?
+
+      max_id = statuses.last.id
+    end
+  end
+
   # Completely clear multiple feeds at once
   # @param [Symbol] type
   # @param [Array<Integer>] ids
@@ -402,6 +451,15 @@ class FeedManager
     should_filter
   end
 
+  # Check if status should not be added to the linear direct message feed
+  # @param [Status] status
+  # @param [Integer] receiver_id
+  # @return [Boolean]
+  def filter_from_direct?(status, receiver_id)
+    return false if receiver_id == status.account_id
+    filter_from_mentions?(status, receiver_id)
+  end
+
   # Check if status should not be added to the list feed
   # @param [Status] status
   # @param [List] list