3 files changed, 123 insertions, 1 deletions
diff --git a/app/helpers/admin/action_logs_helper.rb b/app/helpers/admin/action_logs_helper.rb
new file mode 100644
index 000000000..e85243e57
--- /dev/null
+++ b/app/helpers/admin/action_logs_helper.rb
@@ -0,0 +1,103 @@
+# frozen_string_literal: true
+
+module Admin::ActionLogsHelper
+  def log_target(log)
+    if log.target
+      linkable_log_target(log.target)
+    else
+      log_target_from_history(log.target_type, log.recorded_changes)
+    end
+  end
+
+  def linkable_log_target(record)
+    case record.class.name
+    when 'Account'
+      link_to record.acct, admin_account_path(record.id)
+    when 'User'
+      link_to record.account.acct, admin_account_path(record.account_id)
+    when 'CustomEmoji'
+      record.shortcode
+    when 'Report'
+      link_to "##{record.id}", admin_report_path(record)
+    when 'DomainBlock', 'EmailDomainBlock'
+      link_to record.domain, "https://#{record.domain}"
+    when 'Status'
+      link_to record.account.acct, TagManager.instance.url_for(record)
+    end
+  end
+
+  def log_target_from_history(type, attributes)
+    case type
+    when 'CustomEmoji'
+      attributes['shortcode']
+    when 'DomainBlock', 'EmailDomainBlock'
+      link_to attributes['domain'], "https://#{attributes['domain']}"
+    when 'Status'
+      tmp_status = Status.new(attributes)
+      link_to tmp_status.account.acct, TagManager.instance.url_for(tmp_status)
+    end
+  end
+
+  def relevant_log_changes(log)
+    if log.target_type == 'CustomEmoji' && [:enable, :disable, :destroy].include?(log.action)
+      log.recorded_changes.slice('domain')
+    elsif log.target_type == 'CustomEmoji' && log.action == :update
+      log.recorded_changes.slice('domain', 'visible_in_picker')
+    elsif log.target_type == 'User' && [:promote, :demote].include?(log.action)
+      log.recorded_changes.slice('moderator', 'admin')
+    elsif log.target_type == 'DomainBlock'
+      log.recorded_changes.slice('severity', 'reject_media')
+    elsif log.target_type == 'Status' && log.action == :update
+      log.recorded_changes.slice('sensitive')
+    end
+  end
+
+  def log_extra_attributes(hash)
+    safe_join(hash.to_a.map { |key, value| safe_join([content_tag(:span, key, class: 'diff-key'), '=', log_change(value)]) }, ' ')
+  end
+
+  def log_change(val)
+    return content_tag(:span, val, class: 'diff-neutral') unless val.is_a?(Array)
+    safe_join([content_tag(:span, val.first, class: 'diff-old'), content_tag(:span, val.last, class: 'diff-new')], '→')
+  end
+
+  def icon_for_log(log)
+    case log.target_type
+    when 'Account', 'User'
+      'user'
+    when 'CustomEmoji'
+      'file'
+    when 'Report'
+      'flag'
+    when 'DomainBlock'
+      'lock'
+    when 'EmailDomainBlock'
+      'envelope'
+    when 'Status'
+      'pencil'
+    end
+  end
+
+  def class_for_log_icon(log)
+    case log.action
+    when :enable, :unsuspend, :unsilence, :confirm, :promote, :resolve
+      'positive'
+    when :create
+      opposite_verbs?(log) ? 'negative' : 'positive'
+    when :update, :reset_password, :disable_2fa, :memorialize
+      'neutral'
+    when :demote, :silence, :disable, :suspend
+      'negative'
+    when :destroy
+      opposite_verbs?(log) ? 'positive' : 'negative'
+    else
+      ''
+    end
+  end
+
+  private
+
+  def opposite_verbs?(log)
+    %w(DomainBlock EmailDomainBlock).include?(log.target_type)
+  end
+end
diff --git a/app/helpers/admin/filter_helper.rb b/app/helpers/admin/filter_helper.rb
index e0fae9d9a..73250cbf5 100644
--- a/app/helpers/admin/filter_helper.rb
+++ b/app/helpers/admin/filter_helper.rb
@@ -3,8 +3,9 @@
 module Admin::FilterHelper
   ACCOUNT_FILTERS = %i(local remote by_domain silenced suspended recent username display_name email ip).freeze
   REPORT_FILTERS = %i(resolved account_id target_account_id).freeze
+  INVITE_FILTER = %i(available expired).freeze
 
-  FILTERS = ACCOUNT_FILTERS + REPORT_FILTERS
+  FILTERS = ACCOUNT_FILTERS + REPORT_FILTERS + INVITE_FILTER
 
   def filter_link_to(text, link_to_params, link_class_params = link_to_params)
     new_url = filtered_url_for(link_to_params)
diff --git a/app/helpers/jsonld_helper.rb b/app/helpers/jsonld_helper.rb
index a3441e6f9..6c7c38070 100644
--- a/app/helpers/jsonld_helper.rb
+++ b/app/helpers/jsonld_helper.rb
@@ -9,6 +9,24 @@ module JsonLdHelper
     value.is_a?(Array) ? value.first : value
   end
 
+  # The url attribute can be a string, an array of strings, or an array of objects.
+  # The objects could include a mimeType. Not-included mimeType means it's text/html.
+  def url_to_href(value, preferred_type = nil)
+    single_value = if value.is_a?(Array) && !value.first.is_a?(String)
+                     value.find { |link| preferred_type.nil? || ((link['mimeType'].presence || 'text/html') == preferred_type) }
+                   elsif value.is_a?(Array)
+                     value.first
+                   else
+                     value
+                   end
+
+    if single_value.nil? || single_value.is_a?(String)
+      single_value
+    else
+      single_value['href']
+    end
+  end
+
   def as_array(value)
     value.is_a?(Array) ? value : [value]
   end