Merge remote-tracking branch 'origin/master' into gs-master

  Conflicts:
 	app/controllers/follower_accounts_controller.rb
 	app/controllers/following_accounts_controller.rb
    	db/schema.rb

13 files changed, 96 insertions, 40 deletions

diff --git a/app/controllers/follower_accounts_controller.rb b/app/controllers/follower_accounts_controller.rb
index c74d3f86d..30bf733ba 100644
--- a/app/controllers/follower_accounts_controller.rb
+++ b/app/controllers/follower_accounts_controller.rb
@@ -4,13 +4,12 @@ class FollowerAccountsController < ApplicationController
   include AccountControllerConcern
 
   def index
-    @follows = Follow.where(target_account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:account)
-
     respond_to do |format|
       format.html do
         use_pack 'public'
 
-        @relationships = AccountRelationshipsPresenter.new(@follows.map(&:account_id), current_user.account_id) if user_signed_in?
+        follows
+        @relationships = AccountRelationshipsPresenter.new(follows.map(&:account_id), current_user.account_id) if user_signed_in?
       end
 
       format.json do
@@ -24,28 +23,31 @@ class FollowerAccountsController < ApplicationController
 
   private
 
+  def follows
+    @follows ||= Follow.where(target_account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:account)
+  end
+
   def page_url(page)
     account_followers_url(@account, page: page) unless page.nil?
   end
 
   def collection_presenter
-    page = ActivityPub::CollectionPresenter.new(
-      id: account_followers_url(@account, page: params.fetch(:page, 1)),
-      type: :ordered,
-      size: @account.followers_count,
-      items: @follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.account) },
-      part_of: account_followers_url(@account),
-      next: page_url(@follows.next_page),
-      prev: page_url(@follows.prev_page)
-    )
     if params[:page].present?
-      page
+      ActivityPub::CollectionPresenter.new(
+        id: account_followers_url(@account, page: params.fetch(:page, 1)),
+        type: :ordered,
+        size: @account.followers_count,
+        items: follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.account) },
+        part_of: account_followers_url(@account),
+        next: page_url(follows.next_page),
+        prev: page_url(follows.prev_page)
+      )
     else
       ActivityPub::CollectionPresenter.new(
         id: account_followers_url(@account),
         type: :ordered,
         size: @account.followers_count,
-        first: page
+        first: page_url(1)
       )
     end
   end
diff --git a/app/controllers/following_accounts_controller.rb b/app/controllers/following_accounts_controller.rb
index 4c1e3f327..e7cd58739 100644
--- a/app/controllers/following_accounts_controller.rb
+++ b/app/controllers/following_accounts_controller.rb
@@ -4,13 +4,12 @@ class FollowingAccountsController < ApplicationController
   include AccountControllerConcern
 
   def index
-    @follows = Follow.where(account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:target_account)
-
     respond_to do |format|
       format.html do
         use_pack 'public'
 
-        @relationships = AccountRelationshipsPresenter.new(@follows.map(&:target_account_id), current_user.account_id) if user_signed_in?
+        follows
+        @relationships = AccountRelationshipsPresenter.new(follows.map(&:target_account_id), current_user.account_id) if user_signed_in?
       end
 
       format.json do
@@ -24,28 +23,31 @@ class FollowingAccountsController < ApplicationController
 
   private
 
+  def follows
+    @follows ||= Follow.where(account: @account).recent.page(params[:page]).per(FOLLOW_PER_PAGE).preload(:target_account)
+  end
+
   def page_url(page)
     account_following_index_url(@account, page: page) unless page.nil?
   end
 
   def collection_presenter
-    page = ActivityPub::CollectionPresenter.new(
-      id: account_following_index_url(@account, page: params.fetch(:page, 1)),
-      type: :ordered,
-      size: @account.following_count,
-      items: @follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.target_account) },
-      part_of: account_following_index_url(@account),
-      next: page_url(@follows.next_page),
-      prev: page_url(@follows.prev_page)
-    )
     if params[:page].present?
-      page
+      ActivityPub::CollectionPresenter.new(
+        id: account_following_index_url(@account, page: params.fetch(:page, 1)),
+        type: :ordered,
+        size: @account.following_count,
+        items: follows.map { |f| ActivityPub::TagManager.instance.uri_for(f.target_account) },
+        part_of: account_following_index_url(@account),
+        next: page_url(follows.next_page),
+        prev: page_url(follows.prev_page)
+      )
     else
       ActivityPub::CollectionPresenter.new(
         id: account_following_index_url(@account),
         type: :ordered,
         size: @account.following_count,
-        first: page
+        first: page_url(1)
       )
     end
   end
diff --git a/app/lib/activitypub/activity/block.rb b/app/lib/activitypub/activity/block.rb
index f630d5db2..26da8bdf5 100644
--- a/app/lib/activitypub/activity/block.rb
+++ b/app/lib/activitypub/activity/block.rb
@@ -7,6 +7,6 @@ class ActivityPub::Activity::Block < ActivityPub::Activity
     return if target_account.nil? || !target_account.local? || delete_arrived_first?(@json['id']) || @account.blocking?(target_account)
 
     UnfollowService.new.call(target_account, @account) if target_account.following?(@account)
-    @account.block!(target_account)
+    @account.block!(target_account, uri: @json['id'])
   end
 end
diff --git a/app/lib/activitypub/activity/follow.rb b/app/lib/activitypub/activity/follow.rb
index 8adbbb9c3..fbbf358a8 100644
--- a/app/lib/activitypub/activity/follow.rb
+++ b/app/lib/activitypub/activity/follow.rb
@@ -12,7 +12,7 @@ class ActivityPub::Activity::Follow < ActivityPub::Activity
       return
     end
 
-    follow_request = FollowRequest.create!(account: @account, target_account: target_account)
+    follow_request = FollowRequest.create!(account: @account, target_account: target_account, uri: @json['id'])
 
     if target_account.locked?
       NotifyService.new.call(target_account, follow_request)
diff --git a/app/lib/activitypub/tag_manager.rb b/app/lib/activitypub/tag_manager.rb
index fa2a8f7d3..908ea9639 100644
--- a/app/lib/activitypub/tag_manager.rb
+++ b/app/lib/activitypub/tag_manager.rb
@@ -38,6 +38,10 @@ class ActivityPub::TagManager
     end
   end
 
+  def generate_uri_for(_target)
+    URI.join(root_url, 'payloads', SecureRandom.uuid)
+  end
+
   def activity_uri_for(target)
     raise ArgumentError, 'target must be a local activity' unless %i(note comment activity).include?(target.object_type) && target.local?
 
diff --git a/app/models/block.rb b/app/models/block.rb
index df4a6bbac..bf3e07600 100644
--- a/app/models/block.rb
+++ b/app/models/block.rb
@@ -8,6 +8,7 @@
 #  updated_at        :datetime         not null
 #  account_id        :bigint(8)        not null
 #  target_account_id :bigint(8)        not null
+#  uri               :string
 #
 
 class Block < ApplicationRecord
@@ -19,7 +20,12 @@ class Block < ApplicationRecord
 
   validates :account_id, uniqueness: { scope: :target_account_id }
 
+  def local?
+    false # Force uri_for to use uri attribute
+  end
+
   after_commit :remove_blocking_cache
+  before_validation :set_uri, only: :create
 
   private
 
@@ -27,4 +33,8 @@ class Block < ApplicationRecord
     Rails.cache.delete("exclude_account_ids_for:#{account_id}")
     Rails.cache.delete("exclude_account_ids_for:#{target_account_id}")
   end
+
+  def set_uri
+    self.uri = ActivityPub::TagManager.instance.generate_uri_for(self) if uri.nil?
+  end
 end
diff --git a/app/models/concerns/account_interactions.rb b/app/models/concerns/account_interactions.rb
index 20fc74ba6..a064248d9 100644
--- a/app/models/concerns/account_interactions.rb
+++ b/app/models/concerns/account_interactions.rb
@@ -82,16 +82,19 @@ module AccountInteractions
     has_many :domain_blocks, class_name: 'AccountDomainBlock', dependent: :destroy
   end
 
-  def follow!(other_account, reblogs: nil)
+  def follow!(other_account, reblogs: nil, uri: nil)
     reblogs = true if reblogs.nil?
-    rel = active_relationships.create_with(show_reblogs: reblogs).find_or_create_by!(target_account: other_account)
-    rel.update!(show_reblogs: reblogs)
 
+    rel = active_relationships.create_with(show_reblogs: reblogs, uri: uri)
+                              .find_or_create_by!(target_account: other_account)
+
+    rel.update!(show_reblogs: reblogs)
     rel
   end
 
-  def block!(other_account)
-    block_relationships.find_or_create_by!(target_account: other_account)
+  def block!(other_account, uri: nil)
+    block_relationships.create_with(uri: uri)
+                       .find_or_create_by!(target_account: other_account)
   end
 
   def mute!(other_account, notifications: nil)
diff --git a/app/models/follow.rb b/app/models/follow.rb
index 2ca42ff70..eaf8445f3 100644
--- a/app/models/follow.rb
+++ b/app/models/follow.rb
@@ -9,6 +9,7 @@
 #  account_id        :bigint(8)        not null
 #  target_account_id :bigint(8)        not null
 #  show_reblogs      :boolean          default(TRUE), not null
+#  uri               :string
 #
 
 class Follow < ApplicationRecord
@@ -26,4 +27,16 @@ class Follow < ApplicationRecord
   validates :account_id, uniqueness: { scope: :target_account_id }
 
   scope :recent, -> { reorder(id: :desc) }
+
+  def local?
+    false # Force uri_for to use uri attribute
+  end
+
+  before_validation :set_uri, only: :create
+
+  private
+
+  def set_uri
+    self.uri = ActivityPub::TagManager.instance.generate_uri_for(self) if uri.nil?
+  end
 end
diff --git a/app/models/follow_request.rb b/app/models/follow_request.rb
index d559a8f62..9c4875564 100644
--- a/app/models/follow_request.rb
+++ b/app/models/follow_request.rb
@@ -9,6 +9,7 @@
 #  account_id        :bigint(8)        not null
 #  target_account_id :bigint(8)        not null
 #  show_reblogs      :boolean          default(TRUE), not null
+#  uri               :string
 #
 
 class FollowRequest < ApplicationRecord
@@ -23,11 +24,22 @@ class FollowRequest < ApplicationRecord
   validates :account_id, uniqueness: { scope: :target_account_id }
 
   def authorize!
-    account.follow!(target_account, reblogs: show_reblogs)
+    account.follow!(target_account, reblogs: show_reblogs, uri: uri)
     MergeWorker.perform_async(target_account.id, account.id)
-
     destroy!
   end
 
   alias reject! destroy!
+
+  def local?
+    false # Force uri_for to use uri attribute
+  end
+
+  before_validation :set_uri, only: :create
+
+  private
+
+  def set_uri
+    self.uri = ActivityPub::TagManager.instance.generate_uri_for(self) if uri.nil?
+  end
 end
diff --git a/app/serializers/activitypub/follow_serializer.rb b/app/serializers/activitypub/follow_serializer.rb
index 86c9992fe..24dfe96f8 100644
--- a/app/serializers/activitypub/follow_serializer.rb
+++ b/app/serializers/activitypub/follow_serializer.rb
@@ -5,7 +5,7 @@ class ActivityPub::FollowSerializer < ActiveModel::Serializer
   attribute :virtual_object, key: :object
 
   def id
-    [ActivityPub::TagManager.instance.uri_for(object.account), '#follows/', object.id].join
+    ActivityPub::TagManager.instance.uri_for(object)
   end
 
   def type
diff --git a/db/migrate/20180416210259_add_uri_to_relationships.rb b/db/migrate/20180416210259_add_uri_to_relationships.rb
new file mode 100644
index 000000000..d8eaca450
--- /dev/null
+++ b/db/migrate/20180416210259_add_uri_to_relationships.rb
@@ -0,0 +1,7 @@
+class AddUriToRelationships < ActiveRecord::Migration[5.2]
+  def change
+    add_column :follows, :uri, :string
+    add_column :follow_requests, :uri, :string
+    add_column :blocks, :uri, :string
+  end
+end
diff --git a/db/schema.rb b/db/schema.rb
index 6413db3f0..a34c7911c 100644
--- a/db/schema.rb
+++ b/db/schema.rb
@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2018_04_10_220657) do
+ActiveRecord::Schema.define(version: 2018_04_16_210259) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -111,6 +111,7 @@ ActiveRecord::Schema.define(version: 2018_04_10_220657) do
     t.datetime "updated_at", null: false
     t.bigint "account_id", null: false
     t.bigint "target_account_id", null: false
+    t.string "uri"
     t.index ["account_id", "target_account_id"], name: "index_blocks_on_account_id_and_target_account_id", unique: true
   end
 
@@ -185,6 +186,7 @@ ActiveRecord::Schema.define(version: 2018_04_10_220657) do
     t.bigint "account_id", null: false
     t.bigint "target_account_id", null: false
     t.boolean "show_reblogs", default: true, null: false
+    t.string "uri"
     t.index ["account_id", "target_account_id"], name: "index_follow_requests_on_account_id_and_target_account_id", unique: true
   end
 
@@ -194,6 +196,7 @@ ActiveRecord::Schema.define(version: 2018_04_10_220657) do
     t.bigint "account_id", null: false
     t.bigint "target_account_id", null: false
     t.boolean "show_reblogs", default: true, null: false
+    t.string "uri"
     t.index ["account_id", "target_account_id"], name: "index_follows_on_account_id_and_target_account_id", unique: true
   end
 
diff --git a/spec/models/follow_request_spec.rb b/spec/models/follow_request_spec.rb
index 7bc93a2aa..4b824c0db 100644
--- a/spec/models/follow_request_spec.rb
+++ b/spec/models/follow_request_spec.rb
@@ -7,7 +7,7 @@ RSpec.describe FollowRequest, type: :model do
     let(:target_account) { Fabricate(:account) }
 
     it 'calls Account#follow!, MergeWorker.perform_async, and #destroy!' do
-      expect(account).to        receive(:follow!).with(target_account, reblogs: true)
+      expect(account).to        receive(:follow!).with(target_account, reblogs: true, uri: follow_request.uri)
       expect(MergeWorker).to    receive(:perform_async).with(target_account.id, account.id)
       expect(follow_request).to receive(:destroy!)
       follow_request.authorize!