1 files changed, 81 insertions, 0 deletions
diff --git a/app/models/admin/action_log_filter.rb b/app/models/admin/action_log_filter.rb
new file mode 100644
index 000000000..0ba7e1609
--- /dev/null
+++ b/app/models/admin/action_log_filter.rb
@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+class Admin::ActionLogFilter
+  KEYS = %i(
+    action_type
+    account_id
+    target_account_id
+  ).freeze
+
+  ACTION_TYPE_MAP = {
+    assigned_to_self_report: { target_type: 'Report', action: 'assigned_to_self' }.freeze,
+    change_email_user: { target_type: 'User', action: 'change_email' }.freeze,
+    confirm_user: { target_type: 'User', action: 'confirm' }.freeze,
+    create_account_warning: { target_type: 'AccountWarning', action: 'create' }.freeze,
+    create_announcement: { target_type: 'Announcement', action: 'create' }.freeze,
+    create_custom_emoji: { target_type: 'CustomEmoji', action: 'create' }.freeze,
+    create_domain_allow: { target_type: 'DomainAllow', action: 'create' }.freeze,
+    create_domain_block: { target_type: 'DomainBlock', action: 'create' }.freeze,
+    create_email_domain_block: { target_type: 'EmailDomainBlock', action: 'create' }.freeze,
+    demote_user: { target_type: 'User', action: 'demote' }.freeze,
+    destroy_announcement: { target_type: 'Announcement', action: 'destroy' }.freeze,
+    destroy_custom_emoji: { target_type: 'CustomEmoji', action: 'destroy' }.freeze,
+    destroy_domain_allow: { target_type: 'DomainAllow', action: 'destroy' }.freeze,
+    destroy_domain_block: { target_type: 'DomainBlock', action: 'destroy' }.freeze,
+    destroy_email_domain_block: { target_type: 'EmailDomainBlock', action: 'destroy' }.freeze,
+    destroy_status: { target_type: 'Status', action: 'destroy' }.freeze,
+    disable_2fa_user: { target_type: 'User', action: 'disable' }.freeze,
+    disable_custom_emoji: { target_type: 'CustomEmoji', action: 'disable' }.freeze,
+    disable_user: { target_type: 'User', action: 'disable' }.freeze,
+    enable_custom_emoji: { target_type: 'CustomEmoji', action: 'enable' }.freeze,
+    enable_user: { target_type: 'User', action: 'enable' }.freeze,
+    memorialize_account: { target_type: 'Account', action: 'memorialize' }.freeze,
+    promote_user: { target_type: 'User', action: 'promote' }.freeze,
+    remove_avatar_user: { target_type: 'User', action: 'remove_avatar' }.freeze,
+    reopen_report: { target_type: 'Report', action: 'reopen' }.freeze,
+    reset_password_user: { target_type: 'User', action: 'reset_password' }.freeze,
+    resolve_report: { target_type: 'Report', action: 'resolve' }.freeze,
+    silence_account: { target_type: 'Account', action: 'silence' }.freeze,
+    suspend_account: { target_type: 'Account', action: 'suspend' }.freeze,
+    unassigned_report: { target_type: 'Report', action: 'unassigned' }.freeze,
+    unsilence_account: { target_type: 'Account', action: 'unsilence' }.freeze,
+    unsuspend_account: { target_type: 'Account', action: 'unsuspend' }.freeze,
+    update_announcement: { target_type: 'Announcement', action: 'update' }.freeze,
+    update_custom_emoji: { target_type: 'CustomEmoji', action: 'update' }.freeze,
+    update_status: { target_type: 'Status', action: 'update' }.freeze,
+  }.freeze
+
+  attr_reader :params
+
+  def initialize(params)
+    @params = params
+  end
+
+  def results
+    scope = Admin::ActionLog.includes(:target)
+
+    params.each do |key, value|
+      next if key.to_s == 'page'
+
+      scope.merge!(scope_for(key.to_s, value.to_s.strip)) if value.present?
+    end
+
+    scope
+  end
+
+  private
+
+  def scope_for(key, value)
+    case key
+    when 'action_type'
+      Admin::ActionLog.where(ACTION_TYPE_MAP[value.to_sym])
+    when 'account_id'
+      Admin::ActionLog.where(account_id: value)
+    when 'target_account_id'
+      account = Account.find(value)
+      Admin::ActionLog.where(target: [account, account.user].compact)
+    else
+      raise "Unknown filter: #{key}"
+    end
+  end
+end