Class: GroupsController

Inherits:
ApplicationController show all
Defined in:
app/controllers/groups_controller.rb

Constant Summary collapse

TYPE_FILTERS = 
{
  my:
    Proc.new do |groups, user|
      raise Discourse::NotFound unless user
      Group.member_of(groups, user)
    end,
  owner:
    Proc.new do |groups, user|
      raise Discourse::NotFound unless user
      Group.owner_of(groups, user)
    end,
  public: Proc.new { |groups| groups.where(public_admission: true, automatic: false) },
  close: Proc.new { |groups| groups.where(public_admission: false, automatic: false) },
  automatic: Proc.new { |groups| groups.where(automatic: true) },
  non_automatic: Proc.new { |groups| groups.where(automatic: false) },
}
ADD_MEMBERS_LIMIT = 
1000
MEMBERS_MAX_PAGE_SIZE = 
1_000
MEMBERS_DEFAULT_PAGE_SIZE = 
50

Constants inherited from ApplicationController

ApplicationController::LEGACY_NO_THEMES, ApplicationController::LEGACY_NO_UNOFFICIAL_PLUGINS, ApplicationController::NO_PLUGINS, ApplicationController::NO_THEMES, ApplicationController::NO_UNOFFICIAL_PLUGINS, ApplicationController::SAFE_MODE

Constants included from CanonicalURL::ControllerExtensions

CanonicalURL::ControllerExtensions::ALLOWED_CANONICAL_PARAMS

Instance Attribute Summary

Attributes inherited from ApplicationController

#theme_id

Instance Method Summary collapse

Methods inherited from ApplicationController

#application_layout, #can_cache_content?, #clear_notifications, #conditionally_allow_site_embedding, #current_homepage, #discourse_expires_in, #dont_cache_page, #ember_cli_required?, #fetch_user_from_params, #guardian, #handle_permalink, #handle_theme, #handle_unverified_request, #has_escaped_fragment?, #immutable_for, #no_cookies, #perform_refresh_session, #post_ids_including_replies, #preload_json, #rate_limit_second_factor!, #redirect_with_client_support, #render_json_dump, #render_serialized, requires_plugin, #rescue_discourse_actions, #resolve_safe_mode, #secure_session, #serialize_data, #set_current_user_for_logs, #set_layout, #set_mobile_view, #set_mp_snapshot_fields, #show_browser_update?, #store_preloaded, #use_crawler_layout?, #with_resolved_locale

Methods included from VaryHeader

#ensure_vary_header

Methods included from ReadOnlyMixin

#add_readonly_header, #allowed_in_staff_writes_only_mode?, #block_if_readonly_mode, #check_readonly_mode, included, #staff_writes_only_mode?

Methods included from Hijack

#hijack

Methods included from GlobalPath

#cdn_path, #cdn_relative_path, #full_cdn_url, #path, #upload_cdn_path

Methods included from JsonError

#create_errors_json

Methods included from CanonicalURL::ControllerExtensions

#canonical_url, #default_canonical, included

Methods included from CurrentUser

#clear_current_user, #current_user, has_auth_cookie?, #is_api?, #is_user_api?, #log_off_user, #log_on_user, lookup_from_env, #refresh_session

Instance Method Details

#add_members ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 326

def add_members
  group = Group.find(params[:id])
  guardian.ensure_can_edit!(group)

  users = users_from_params.to_a
  emails = []
  if params[:emails]
    params[:emails]
      .split(",")
      .each do |email|
        existing_user = User.find_by_email(email)
        existing_user.present? ? users.push(existing_user) : emails.push(email)
      end
  end

  guardian.ensure_can_invite_to_forum!([group]) if emails.present?

  if users.empty? && emails.empty?
    raise Discourse::InvalidParameters.new(I18n.t("groups.errors.usernames_or_emails_required"))
  end

  if users.length > ADD_MEMBERS_LIMIT
    return(
      render_json_error(I18n.t("groups.errors.adding_too_many_users", count: ADD_MEMBERS_LIMIT))
    )
  end

  usernames_already_in_group = group.users.where(id: users.map(&:id)).pluck(:username)
  if usernames_already_in_group.present? && usernames_already_in_group.length == users.length &&
       emails.blank?
    render_json_error(
      I18n.t(
        "groups.errors.member_already_exist",
        username: usernames_already_in_group.sort.join(", "),
        count: usernames_already_in_group.size,
      ),
    )
  else
    notify = params[:notify_users]&.to_s == "true"
    uniq_users = users.uniq
    uniq_users.each { |user| add_user_to_group(group, user, notify) }

    emails.each do |email|
      begin
        Invite.generate(current_user, email: email, group_ids: [group.id])
      rescue RateLimiter::LimitExceeded => e
        return(
          render_json_error(
            I18n.t(
              "invite.rate_limit",
              count: SiteSetting.max_invites_per_day,
              time_left: e.time_left,
            ),
          )
        )
      end
    end

    render json: success_json.merge!(usernames: uniq_users.map(&:username), emails: emails)
  end
end

#add_owners ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 388

def add_owners
  group = Group.find_by(id: params.require(:id))
  raise Discourse::NotFound unless group

  return can_not_modify_automatic if group.automatic
  guardian.ensure_can_edit_group!(group)

  users = users_from_params
  group_action_logger = GroupActionLogger.new(current_user, group)

  users.each do |user|
    if !group.users.include?(user)
      group.add(user)
      group_action_logger.log_add_user_to_group(user)
    end
    group.group_users.where(user_id: user.id).update_all(owner: true)
    group_action_logger.log_make_user_group_owner(user)

    group.notify_added_to_group(user, owner: true) if params[:notify_users].to_s == "true"
  end

  group.restore_user_count!

  render json: success_json.merge!(usernames: users.pluck(:username))
end

#check_name ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 479

def check_name
  group_name = params.require(:group_name)
  checker = UsernameCheckerService.new(allow_reserved_username: true)
  render json: checker.check_username(group_name, nil)
end

#edit ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 147

def edit
end

#handle_membership_request ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 428

def handle_membership_request
  group = Group.find_by(id: params[:id])
  raise Discourse::InvalidParameters.new(:id) if group.blank?
  guardian.ensure_can_edit!(group)

  user = User.find_by(id: params[:user_id])
  raise Discourse::InvalidParameters.new(:user_id) if user.blank?

  ActiveRecord::Base.transaction do
    if params[:accept]
      group.add(user)
      GroupActionLogger.new(current_user, group).log_add_user_to_group(user)
    end

    GroupRequest.where(group_id: group.id, user_id: user.id).delete_all
  end

  if params[:accept]
    PostCreator.new(
      current_user,
      title: I18n.t("groups.request_accepted_pm.title", group_name: group.name),
      raw: I18n.t("groups.request_accepted_pm.body", group_name: group.name),
      archetype: Archetype.private_message,
      target_usernames: user.username,
      skip_validations: true,
    ).create!
  end

  render json: success_json
end

#histories ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 591

def histories
  group = find_group(:group_id)
  guardian.ensure_can_edit!(group) unless guardian.can_admin_group?(group)

  page_size = 25
  offset = (params[:offset] && params[:offset].to_i) || 0

  group_histories =
    GroupHistory.with_filters(group, params[:filters]).limit(page_size).offset(offset * page_size)

  render_json_dump(
    logs: serialize_data(group_histories, BasicGroupHistorySerializer),
    all_loaded: group_histories.count < page_size,
  )
end

#index ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 39

def index
  unless SiteSetting.enable_group_directory? || current_user&.staff?
    raise Discourse::InvalidAccess.new(:enable_group_directory)
  end

  order = %w[name user_count].delete(params[:order])
  dir = params[:asc].to_s == "true" ? "ASC" : "DESC"
  sort = order ? "#{order} #{dir}" : nil
  groups = Group.visible_groups(current_user, sort)
  type_filters = TYPE_FILTERS.keys

  if (username = params[:username]).present?
    raise Discourse::NotFound unless user = User.find_by_username(username)
    groups = TYPE_FILTERS[:my].call(groups.members_visible_groups(current_user, sort), user)
    type_filters = type_filters - %i[my owner]
  end

  if (filter = params[:filter]).present?
    groups = Group.search_groups(filter, groups: groups)
  end

  if !guardian.is_staff?
    # hide automatic groups from all non stuff to de-clutter page
    groups =
      groups.where("groups.automatic IS FALSE OR groups.id = ?", Group::AUTO_GROUPS[:moderators])
    type_filters.delete(:automatic)
  end

  if Group.preloaded_custom_field_names.present?
    Group.preload_custom_fields(groups, Group.preloaded_custom_field_names)
  end

  if type = params[:type]&.to_sym
    raise Discourse::InvalidParameters.new(:type) unless callback = TYPE_FILTERS[type]
    groups = callback.call(groups, current_user)
  end

  if current_user
    group_users = GroupUser.where(group: groups, user: current_user)
    user_group_ids = group_users.pluck(:group_id)
    owner_group_ids = group_users.where(owner: true).pluck(:group_id)
  else
    type_filters = type_filters - %i[my owner]
  end

  groups = DiscoursePluginRegistry.apply_modifier(:groups_index_query, groups, self)

  type_filters.delete(:non_automatic)

  # count the total before doing pagination
  total = groups.count

  page = fetch_int_from_params(:page, default: 0)
  page_size = MobileDetection.mobile_device?(request.user_agent) ? 15 : 36
  groups = groups.offset(page * page_size).limit(page_size)

  render_json_dump(
    groups:
      serialize_data(
        groups,
        BasicGroupSerializer,
        user_group_ids: user_group_ids || [],
        owner_group_ids: owner_group_ids || [],
      ),
    extras: {
      type_filters: type_filters,
    },
    total_rows_groups: total,
    load_more_groups:
      groups_path(page: page + 1, type: type, order: order, asc: params[:asc], filter: filter),
  )
end

#join ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 414

def join
  ensure_logged_in
  unless current_user.staff?
    RateLimiter.new(current_user, "public_group_membership", 3, 1.minute).performed!
  end

  group = Group.find(params[:id])
  raise Discourse::NotFound unless group
  raise Discourse::InvalidAccess unless group.public_admission

  return if group.users.exists?(id: current_user.id)
  add_user_to_group(group, current_user)
end

#leave ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 518

def leave
  ensure_logged_in
  unless current_user.staff?
    RateLimiter.new(current_user, "public_group_membership", 3, 1.minute).performed!
  end

  group = Group.find_by(id: params[:id])
  raise Discourse::NotFound unless group
  raise Discourse::InvalidAccess unless group.public_exit

  if group.remove(current_user)
    GroupActionLogger.new(current_user, group).log_remove_user_from_group(current_user)
  end
end

#members ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 236

def members
  group = find_group(:group_id)

  guardian.ensure_can_see_group_members!(group)

  limit = fetch_limit_from_params(default: MEMBERS_DEFAULT_PAGE_SIZE, max: MEMBERS_MAX_PAGE_SIZE)
  offset = params[:offset].to_i

  raise Discourse::InvalidParameters.new(:offset) if offset < 0

  dir = (params[:asc] && params[:asc].present?) ? "ASC" : "DESC"
  order = "NOT group_users.owner"

  if params[:requesters]
    guardian.ensure_can_edit!(group)

    users = group.requesters
    total = users.count

    if (filter = params[:filter]).present?
      filter = filter.split(",") if filter.include?(",")

      if current_user&.admin
        users = users.filter_by_username_or_email(filter)
      else
        users = users.filter_by_username(filter)
      end
    end

    users =
      users
        .select("users.*, group_requests.reason, group_requests.created_at requested_at")
        .order(params[:order] == "requested_at" ? "group_requests.created_at #{dir}" : "")
        .order(username_lower: dir)
        .limit(limit)
        .offset(offset)

    return(
      render json: {
               members: serialize_data(users, GroupRequesterSerializer),
               meta: {
                 total: total,
                 limit: limit,
                 offset: offset,
               },
             }
    )
  end

  if params[:order] && %w[last_posted_at last_seen_at].include?(params[:order])
    order = "#{params[:order]} #{dir} NULLS LAST"
  elsif params[:order] == "added_at"
    order = "group_users.created_at #{dir}"
  end

  users = group.users.human_users
  total = users.count

  if (filter = params[:filter]).present?
    filter = filter.split(",") if filter.include?(",")

    if current_user&.admin
      users = users.filter_by_username_or_email(filter)
    else
      users = users.filter_by_username(filter)
    end
  end

  users =
    users
      .includes(:primary_group)
      .includes(:user_option)
      .select("users.*, group_users.created_at as added_at")
      .order(order)
      .order(username_lower: dir)

  members = users.limit(limit).offset(offset)
  owners = users.where("group_users.owner")

  render json: {
           members: serialize_data(members, GroupUserSerializer),
           owners: serialize_data(owners, GroupUserSerializer),
           meta: {
             total: total,
             limit: limit,
             offset: offset,
           },
         }
end

#mentionable ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 459

def mentionable
  group = find_group(:group_id, ensure_can_see: false)

  if group
    render json: { mentionable: Group.mentionable(current_user).where(id: group.id).present? }
  else
    raise Discourse::InvalidAccess.new
  end
end

#mentions ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 213

def mentions
  raise Discourse::NotFound unless SiteSetting.enable_mentions?
  group = find_group(:group_id)
  posts =
    group.mentioned_posts_for(guardian, params.permit(:before_post_id, :category_id)).limit(20)
  render_serialized posts.to_a, GroupPostSerializer
end

#mentions_feed ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 221

def mentions_feed
  raise Discourse::NotFound unless SiteSetting.enable_mentions?
  group = find_group(:group_id)
  @posts =
    group.mentioned_posts_for(guardian, params.permit(:before_post_id, :category_id)).limit(50)
  @title =
    "#{SiteSetting.title} - #{I18n.t("rss_description.group_mentions", group_name: group.name)}"
  @link = Discourse.base_url
  @description = I18n.t("rss_description.group_mentions", group_name: group.name)
  render "posts/latest", formats: [:rss]
end

#messageable ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 469

def messageable
  group = find_group(:group_id, ensure_can_see: false)

  if group
    render json: { messageable: guardian.can_send_private_message?(group) }
  else
    raise Discourse::InvalidAccess.new
  end
end

#new ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 144

def new
end

#permissions ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 630

def permissions
  group = find_group(:id)
  category_groups =
    group.category_groups.select do |category_group|
      guardian.can_see_category?(category_group.category)
    end
  render_serialized(
    category_groups.sort_by { |category_group| category_group.category.name },
    CategoryGroupSerializer,
  )
end

#posts ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 193

def posts
  group = find_group(:group_id)
  guardian.ensure_can_see_group_members!(group)

  posts = group.posts_for(guardian, params.permit(:before_post_id, :category_id)).limit(20)
  render_serialized posts.to_a, GroupPostSerializer
end

#posts_feed ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 201

def posts_feed
  group = find_group(:group_id)
  guardian.ensure_can_see_group_members!(group)

  @posts = group.posts_for(guardian, params.permit(:before_post_id, :category_id)).limit(50)
  @title =
    "#{SiteSetting.title} - #{I18n.t("rss_description.group_posts", group_name: group.name)}"
  @link = Discourse.base_url
  @description = I18n.t("rss_description.group_posts", group_name: group.name)
  render "posts/latest", formats: [:rss]
end

#remove_member ⇒ Object

Raises:



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# File 'app/controllers/groups_controller.rb', line 485

def remove_member
  group = Group.find_by(id: params[:id])
  raise Discourse::NotFound unless group
  guardian.ensure_can_edit!(group)

  # Maintain backwards compatibility
  params[:usernames] = params[:username] if params[:username].present?
  params[:user_emails] = params[:user_email] if params[:user_email].present?

  users = users_from_params
  if users.empty?
    raise Discourse::InvalidParameters.new("user_ids or usernames or user_emails must be present")
  end

  removed_users = []
  skipped_users = []

  users.each do |user|
    if group.remove(user)
      removed_users << user.username
      GroupActionLogger.new(current_user, group).log_remove_user_from_group(user)
    else
      if group.users.exclude? user
        skipped_users << user.username
      else
        raise Discourse::InvalidParameters
      end
    end
  end

  render json: success_json.merge!(usernames: removed_users, skipped_usernames: skipped_users)
end

#request_membership ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 535

def request_membership
  params.require(:reason)

  group = find_group(:id)

  begin
    GroupRequest.create!(group: group, user: current_user, reason: params[:reason])
  rescue ActiveRecord::RecordNotUnique
    return(
      render json: failed_json.merge(error: I18n.t("groups.errors.already_requested_membership")),
             status: 409
    )
  end

  usernames = [current_user.username].concat(
    group
      .users
      .where("group_users.owner")
      .order("users.last_seen_at DESC")
      .limit(MAX_NOTIFIED_OWNERS)
      .pluck("users.username"),
  )

  post =
    PostCreator.new(
      current_user,
      title: I18n.t("groups.request_membership_pm.title", group_name: group.name),
      raw: params[:reason],
      archetype: Archetype.private_message,
      target_usernames: usernames.join(","),
      topic_opts: {
        custom_fields: {
          requested_group_id: group.id,
        },
      },
      skip_validations: true,
    ).create!

  render json: success_json.merge(relative_url: post.topic.relative_url)
end

#search ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 607

def search
  groups =
    Group
      .visible_groups(current_user)
      .where("groups.id <> ?", Group::AUTO_GROUPS[:everyone])
      .includes(:flair_upload)
      .order(:name)

  if (term = params[:term]).present?
    groups =
      groups.where("groups.name ILIKE :term OR groups.full_name ILIKE :term", term: "%#{term}%")
  end

  groups = groups.where(automatic: false) if params[:ignore_automatic].to_s == "true"
  groups = DiscoursePluginRegistry.apply_modifier(:groups_search_query, groups, self)

  if Group.preloaded_custom_field_names.present?
    Group.preload_custom_fields(groups, Group.preloaded_custom_field_names)
  end

  render_serialized(groups, BasicGroupSerializer)
end

#set_notifications ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 576

def set_notifications
  group = find_group(:id)
  notification_level = params.require(:notification_level)

  user_id = current_user.id
  user_id = params[:user_id] || user_id if guardian.is_staff?

  GroupUser
    .where(group_id: group.id)
    .where(user_id: user_id)
    .update_all(notification_level: notification_level)

  render json: success_json
end

#show ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 112

def show
  respond_to do |format|
    group = find_group(:id)

    format.html do
      @title = group.full_name.present? ? group.full_name.capitalize : group.name
      @full_title = "#{@title} - #{SiteSetting.title}"
      @description_meta =
        group.bio_cooked.present? ? PrettyText.excerpt(group.bio_cooked, 300) : @title
      render :show
    end

    format.json do
      groups = Group.visible_groups(current_user)
      if !guardian.is_staff?
        groups =
          groups.where(
            "groups.automatic IS FALSE OR groups.id = ?",
            Group::AUTO_GROUPS[:moderators],
          )
      end

      render_json_dump(
        group: serialize_data(group, GroupShowSerializer, root: nil),
        extras: {
          visible_group_names: groups.pluck(:name),
        },
      )
    end
  end
end

#test_email_settings ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 642

def test_email_settings
  params.require(:group_id)
  params.require(:protocol)
  params.require(:port)
  params.require(:host)
  params.require(:username)
  params.require(:password)
  params.require(:ssl)

  group = Group.find(params[:group_id])
  guardian.ensure_can_edit!(group)

  RateLimiter.new(current_user, "group_test_email_settings", 5, 1.minute).performed!

  settings = params.except(:group_id, :protocol)
  enable_tls = settings[:ssl] == "true"
  email_host = params[:host]

  if !%w[smtp imap].include?(params[:protocol])
    raise Discourse::InvalidParameters.new("Valid protocols to test are smtp and imap")
  end

  hijack do
    begin
      case params[:protocol]
      when "smtp"
        enable_starttls_auto = false
        settings.delete(:ssl)

        final_settings =
          settings.merge(
            enable_tls: enable_tls,
            enable_starttls_auto: enable_starttls_auto,
          ).permit(:host, :port, :username, :password, :enable_tls, :enable_starttls_auto, :debug)
        EmailSettingsValidator.validate_as_user(
          current_user,
          "smtp",
          **final_settings.to_h.symbolize_keys,
        )
      when "imap"
        final_settings =
          settings.merge(ssl: enable_tls).permit(:host, :port, :username, :password, :ssl, :debug)
        EmailSettingsValidator.validate_as_user(
          current_user,
          "imap",
          **final_settings.to_h.symbolize_keys,
        )
      end

      render json: success_json
    rescue *EmailSettingsExceptionHandler::EXPECTED_EXCEPTIONS, StandardError => err
      render_json_error(EmailSettingsExceptionHandler.friendly_exception_message(err, email_host))
    end
  end
end

#update ⇒ Object 



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# File 'app/controllers/groups_controller.rb', line 150

def update
  group = Group.find(params[:id])
  guardian.ensure_can_edit!(group) if !guardian.can_admin_group?(group)

  group_attributes = group_params(automatic: group.automatic)
  reset_group_email_settings_if_disabled!(group, group_attributes)

  categories, tags = []
  if !group.automatic || current_user.admin
    notification_level, categories, tags = user_default_notifications(group, group_attributes)

    if params[:update_existing_users].blank?
      user_count = count_existing_users(group.group_users, notification_level, categories, tags)
      if user_count > 0
        return(
          render status: 422,
                 json: {
                   user_count: user_count,
                   errors: [I18n.t("invalid_params", message: :update_existing_users)],
                 }
        )
      end
    end
  end

  if group.update(group_attributes)
    GroupActionLogger.new(current_user, group).log_change_group_settings
    group.record_email_setting_changes!(current_user)
    group.expire_imap_mailbox_cache
    if params[:update_existing_users] == "true"
      update_existing_users(group.group_users, notification_level, categories, tags)
    end
    AdminDashboardData.clear_found_problem("group_#{group.id}_email_credentials")

    # Redirect user to groups index page if they can no longer see the group
    return redirect_with_client_support groups_path if !guardian.can_see?(group)

    render json: success_json
  else
    render_json_error(group)
  end
end