Added GroupPinnedStatuses

• Added:
- GroupPinnedStatuses
- controllers for timeline, creation, deletion
- redux actions, reducers for creation, deletion
- timeline fetching in timelines action
- options to pin, unpin in status options popover for group admin

app/models/concerns/group_interactions.rb

@@ -17,6 +17,10 @@ module GroupInteractions
       follow_mapping(GroupAccount.where(group_id: target_group_ids, account_id: account_id, role: :moderator), :group_id)
     end
 
+    def pinned?(status)
+      group_pinned_statuses.where(group_id: status.group_id, status: status).exists?
+    end
+
     private
 
     def follow_mapping(query, field)

app/models/group.rb

@@ -36,6 +36,9 @@ class Group < ApplicationRecord
   has_many :group_accounts, inverse_of: :group, dependent: :destroy
   has_many :accounts, through: :group_accounts
 
+  has_many :group_pinned_statuses, inverse_of: :group, dependent: :destroy
+  has_many :pinned_statuses, source: :status, through: :group_pinned_statuses
+
   has_many :group_removed_accounts, inverse_of: :group, dependent: :destroy
   has_many :removed_accounts, source: :account, through: :group_removed_accounts
 

app/models/group_pinned_status.rb

@@ -0,0 +1,16 @@
+# frozen_string_literal: true
+# == Schema Information
+#
+# Table name: group_pinned_statuses
+#
+#  id        :bigint(8)        not null, primary key
+#  status_id :bigint(8)        not null
+#  group_id  :bigint(8)        not null
+#
+
+class GroupPinnedStatus < ApplicationRecord
+  belongs_to :group
+  belongs_to :status
+
+  validates_with GroupPinnedStatusValidator
+end

app/models/status.rb

@@ -389,6 +389,12 @@ class Status < ApplicationRecord
       StatusPin.select('status_id').where(status_id: status_ids).where(account_id: account_id).each_with_object({}) { |p, h| h[p.status_id] = true }
     end
 
+    def group_pins_map(status_ids, group_id = nil)
+      unless group_id.nil?
+        GroupPinnedStatus.select('status_id').where(status_id: status_ids).where(group_id: group_id).each_with_object({}) { |p, h| h[p.status_id] = true }
+      end
+    end
+
     def reload_stale_associations!(cached_items)
       account_ids = []