discourse/app/controllers/groups_controller.rb

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# frozen_string_literal: true
class GroupsController < ApplicationController
requires_login only: [
:set_notifications,
:mentionable,
:messageable,
:check_name,
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:update,
:histories,
:request_membership,
:search,
:new
]
skip_before_action :preload_json, :check_xhr, only: [:posts_feed, :mentions_feed]
skip_before_action :check_xhr, only: [:show]
TYPE_FILTERS = {
my: Proc.new { |groups, user|
raise Discourse::NotFound unless user
Group.member_of(groups, user)
},
owner: Proc.new { |groups, user|
raise Discourse::NotFound unless user
Group.owner_of(groups, user)
},
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)
}
}
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def index
unless SiteSetting.enable_group_directory? || current_user&.staff?
raise Discourse::InvalidAccess.new(:enable_group_directory)
end
page_size = MobileDetection.mobile_device?(request.user_agent) ? 15 : 36
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page = params[:page]&.to_i || 0
order = %w{name user_count}.delete(params[:order])
dir = params[:asc] ? 'ASC' : 'DESC'
groups = Group.visible_groups(current_user, order ? "#{order} #{dir}" : nil)
if (filter = params[:filter]).present?
groups = Group.search_groups(filter, groups: groups)
end
type_filters = TYPE_FILTERS.keys
if username = params[:username]
groups = TYPE_FILTERS[:my].call(groups, User.find_by_username(username))
type_filters = type_filters - [:my, :owner]
end
unless guardian.is_staff?
# hide automatic groups from all non stuff to de-clutter page
groups = groups.where("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
callback = TYPE_FILTERS[type]
if !callback
raise Discourse::InvalidParameters.new(:type)
end
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 - [:my, :owner]
end
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count = groups.count
groups = groups.offset(page * page_size).limit(page_size)
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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: count,
load_more_groups: groups_path(
page: page + 1,
type: type,
order: order,
asc: params[:asc],
filter: filter
),
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)
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end
def show
respond_to do |format|
group = find_group(:id)
format.html do
@title = group.full_name.present? ? group.full_name.capitalize : group.name
@description_meta = group.bio_cooked.present? ? PrettyText.excerpt(group.bio_cooked, 300) : @title
render :show
end
format.json do
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groups = Group.visible_groups(current_user)
if !guardian.is_staff?
groups = groups.where(automatic: false)
end
render_json_dump(
group: serialize_data(group, GroupShowSerializer, root: nil),
extras: {
visible_group_names: groups.pluck(:name)
}
)
end
end
end
def new
end
def edit
end
def update
group = Group.find(params[:id])
guardian.ensure_can_edit!(group) unless current_user.admin
if group.update(group_params(automatic: group.automatic))
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GroupActionLogger.new(current_user, group).log_change_group_settings
render json: success_json
else
render_json_error(group)
end
end
def posts
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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
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
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
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
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def members
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group = find_group(:group_id)
guardian.ensure_can_see_group_members!(group)
limit = (params[:limit] || 20).to_i
offset = params[:offset].to_i
if limit < 0
raise Discourse::InvalidParameters.new(:limit)
end
if limit > 1000
raise Discourse::InvalidParameters.new(:limit)
end
if offset < 0
raise Discourse::InvalidParameters.new(:offset)
end
dir = (params[:desc] && !params[:desc].blank?) ? 'DESC' : 'ASC'
order = ""
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.select('users.*, group_users.created_at as added_at')
members = users
.order('NOT group_users.owner')
.order(order)
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.order(username_lower: dir)
.limit(limit)
.offset(offset)
.includes(:primary_group)
owners = users
.order(order)
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.order(username_lower: dir)
.where('group_users.owner')
.includes(:primary_group)
render json: {
members: serialize_data(members, GroupUserSerializer),
owners: serialize_data(owners, GroupUserSerializer),
meta: {
total: total,
limit: limit,
offset: offset
}
}
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end
def add_members
group = Group.find(params[:id])
group.public_admission ? ensure_logged_in : guardian.ensure_can_edit!(group)
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users = users_from_params
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if group.public_admission
if !guardian.can_log_group_changes?(group) && current_user != users.first
raise Discourse::InvalidAccess
end
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unless current_user.staff?
RateLimiter.new(current_user, "public_group_membership", 3, 1.minute).performed!
end
end
if (usernames = group.users.where(id: users.pluck(:id)).pluck(:username)).present?
render_json_error(I18n.t(
"groups.errors.member_already_exist",
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username: usernames.sort.join(", "),
count: usernames.size
))
else
users.each do |user|
begin
group.add(user)
GroupActionLogger.new(current_user, group).log_add_user_to_group(user)
rescue ActiveRecord::RecordNotUnique
# Under concurrency, we might attempt to insert two records quickly and hit a DB
# constraint. In this case we can safely ignore the error and act as if the user
# was added to the group.
end
end
render json: success_json.merge!(
usernames: users.map(&:username)
)
end
end
def handle_membership_request
group = Group.find_by(id: params[:id])
raise Discourse::InvalidParameters.new(:id) if group.blank?
guardian.ensure_can_edit!(group)
ActiveRecord::Base.transaction do
user = User.find_by(id: params[:user_id])
raise Discourse::InvalidParameters.new(:user_id) if user.blank?
if params[:accept]
group.add(user, notify: true)
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
render json: success_json
end
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
def messageable
group = find_group(:group_id, ensure_can_see: false)
if group
render json: { messageable: Group.messageable(current_user).where(id: group.id).present? }
else
raise Discourse::InvalidAccess.new
end
end
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
def remove_member
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group = Group.find_by(id: params[:id])
raise Discourse::NotFound unless group
group.public_exit ? ensure_logged_in : guardian.ensure_can_edit!(group)
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# 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
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if group.public_exit
if !guardian.can_log_group_changes?(group) && current_user != users.first
raise Discourse::InvalidAccess
end
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unless current_user.staff?
RateLimiter.new(current_user, "public_group_membership", 3, 1.minute).performed!
end
end
users.each do |user|
group.remove(user)
GroupActionLogger.new(current_user, group).log_remove_user_from_group(user)
end
render json: success_json.merge!(
usernames: users.map(&:username)
)
end
def request_membership
params.require(:reason) if params[:topic_id].blank?
group = find_group(:id)
if params[:topic_id] && topic = Topic.find_by_id(params[:topic_id])
reason = I18n.t("groups.view_hidden_topic_request_reason", group_name: group.name, topic_url: topic.url)
end
reason ||= params[:reason]
begin
GroupRequest.create!(group: group, user: current_user, reason: reason)
rescue ActiveRecord::RecordNotUnique => e
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(5)
.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(','),
custom_fields: { requested_group_id: group.id },
skip_validations: true
).create!
render json: success_json.merge(relative_url: post.topic.relative_url)
end
def set_notifications
group = find_group(:id)
notification_level = params.require(:notification_level)
user_id = current_user.id
if guardian.is_staff?
user_id = params[:user_id] || user_id
end
GroupUser.where(group_id: group.id)
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.where(user_id: user_id)
.update_all(notification_level: notification_level)
render json: success_json
end
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def histories
group = find_group(:group_id)
guardian.ensure_can_edit!(group) unless current_user.admin
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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
def search
groups = Group.visible_groups(current_user)
.where("groups.id <> ?", Group::AUTO_GROUPS[:everyone])
.order(:name)
if term = params[:term].to_s
groups = groups.where("name ILIKE :term OR full_name ILIKE :term", term: "%#{term}%")
end
if params[:ignore_automatic].to_s == "true"
groups = groups.where(automatic: false)
end
if Group.preloaded_custom_field_names.present?
Group.preload_custom_fields(groups, Group.preloaded_custom_field_names)
end
render_serialized(groups, BasicGroupSerializer)
end
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private
def group_params(automatic: false)
permitted_params =
if automatic
%i{
visibility_level
mentionable_level
messageable_level
default_notification_level
bio_raw
}
else
default_params = %i{
mentionable_level
messageable_level
title
flair_url
flair_bg_color
flair_color
bio_raw
public_admission
public_exit
allow_membership_requests
full_name
default_notification_level
membership_request_template
}
if current_user.admin
default_params.push(*[
:incoming_email,
:primary_group,
:visibility_level,
:members_visibility_level,
:name,
:grant_trust_level,
:automatic_membership_email_domains,
:automatic_membership_retroactive,
:publish_read_state
])
custom_fields = Group.editable_group_custom_fields
default_params << { custom_fields: custom_fields } unless custom_fields.blank?
end
default_params
end
params.require(:group).permit(*permitted_params)
end
def find_group(param_name, ensure_can_see: true)
name = params.require(param_name)
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group = Group
group = group.find_by("lower(name) = ?", name.downcase)
guardian.ensure_can_see!(group) if ensure_can_see
group
end
def users_from_params
if params[:usernames].present?
users = User.where(username_lower: params[:usernames].split(",").map(&:downcase))
raise Discourse::InvalidParameters.new(:usernames) if users.blank?
elsif params[:user_id].present?
users = User.where(id: params[:user_id].to_i)
raise Discourse::InvalidParameters.new(:user_id) if users.blank?
elsif params[:user_ids].present?
users = User.where(id: params[:user_ids].to_s.split(","))
raise Discourse::InvalidParameters.new(:user_ids) if users.blank?
elsif params[:user_emails].present?
users = User.with_email(params[:user_emails].split(","))
raise Discourse::InvalidParameters.new(:user_emails) if users.blank?
else
raise Discourse::InvalidParameters.new(
'user_ids or usernames or user_emails must be present'
)
end
users
end
end