canvas-lms/app/controllers/collaborations_controller.rb

428 lines
17 KiB
Ruby

#
# Copyright (C) 2011 - present Instructure, Inc.
#
# This file is part of Canvas.
#
# Canvas is free software: you can redistribute it and/or modify it under
# the terms of the GNU Affero General Public License as published by the Free
# Software Foundation, version 3 of the License.
#
# Canvas is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
# A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
# details.
#
# You should have received a copy of the GNU Affero General Public License along
# with this program. If not, see <http://www.gnu.org/licenses/>.
#
# @API Collaborations
# API for accessing course and group collaboration information.
#
# @model Collaboration
# {
# "id": "Collaboration",
# "description": "",
# "properties": {
# "id": {
# "description": "The unique identifier for the collaboration",
# "example": 43,
# "type": "integer"
# },
# "collaboration_type": {
# "description": "A name for the type of collaboration",
# "example": "Microsoft Office",
# "type": "string"
# },
# "document_id": {
# "description": "The collaboration document identifier for the collaboration provider",
# "example": "oinwoenfe8w8ef_onweufe89fef",
# "type": "string"
# },
# "user_id": {
# "description": "The canvas id of the user who created the collaboration",
# "example": 92,
# "type": "integer"
# },
# "context_id": {
# "description": "The canvas id of the course or group to which the collaboration belongs",
# "example": 77,
# "type": "integer"
# },
# "context_type": {
# "description": "The canvas type of the course or group to which the collaboration belongs",
# "example": "Course",
# "type": "string"
# },
# "url": {
# "description": "The LTI launch url to view collaboration.",
# "type": "string"
# },
# "created_at": {
# "description": "The timestamp when the collaboration was created",
# "example": "2012-06-01T00:00:00-06:00",
# "type": "datetime"
# },
# "updated_at": {
# "description": "The timestamp when the collaboration was last modified",
# "example": "2012-06-01T00:00:00-06:00",
# "type": "datetime"
# },
# "description": {
# "type": "string"
# },
# "title": {
# "type": "string"
# },
# "type": {
# "description": "Another representation of the collaboration type",
# "example": "ExternalToolCollaboration",
# "type": "string"
# },
# "update_url": {
# "description": "The LTI launch url to edit the collaboration",
# "type": "string"
# },
# "user_name": {
# "description": "The name of the user who owns the collaboration",
# "example": "John Danger",
# "type": "string"
# }
# }
# }
#
# @model Collaborator
# {
# "id": "Collaborator",
# "description": "",
# "required": ["id"],
# "properties": {
# "id": {
# "description": "The unique user or group identifier for the collaborator.",
# "example": 12345,
# "type": "integer"
# },
# "type": {
# "description": "The type of collaborator (e.g. 'user' or 'group').",
# "example": "user",
# "type": "string",
# "allowableValues": {
# "values": [
# "user",
# "group"
# ]
# }
# },
# "name": {
# "description": "The name of the collaborator.",
# "example": "Don Draper",
# "type": "string"
# }
# }
# }
#
class CollaborationsController < ApplicationController
before_action :require_context, :except => [:members]
before_action :require_collaboration_and_context, :only => [:members]
before_action :require_collaborations_configured
before_action :reject_student_view_student
before_action { |c| c.active_tab = "collaborations" }
include Api::V1::Collaborator
include Api::V1::Collaboration
include Api::V1::User
def index
return unless authorized_action(@context, @current_user, :read) &&
tab_enabled?(@context.class::TAB_COLLABORATIONS)
add_crumb(t('#crumbs.collaborations', "Collaborations"), polymorphic_path([@context, :collaborations]))
@collaborations = @context.collaborations.active.select { |c| can_do(c, @current_user, :read) }
log_asset_access([ "collaborations", @context ], "collaborations", "other")
# this will set @user_has_google_drive
user_has_google_drive
@sunsetting_etherpad = EtherpadCollaboration.config.try(:[], :domain) == "etherpad.instructure.com/p"
@has_etherpad_collaborations = @collaborations.any? {|c| c.collaboration_type == 'EtherPad'}
@etherpad_only = Collaboration.collaboration_types.length == 1 &&
Collaboration.collaboration_types[0]['type'] == "etherpad"
@hide_create_ui = @sunsetting_etherpad && @etherpad_only
js_env :TITLE_MAX_LEN => Collaboration::TITLE_MAX_LENGTH,
:CAN_MANAGE_GROUPS => @context.grants_right?(@current_user, session, :manage_groups),
:collaboration_types => Collaboration.collaboration_types,
:POTENTIAL_COLLABORATORS_URL => polymorphic_url([:api_v1, @context, :potential_collaborators])
set_tutorial_js_env
end
# @API List collaborations
# A paginated list of collaborations the current user has access to in the
# context of the course provided in the url. NOTE: this only returns
# ExternalToolCollaboration type collaborations.
#
# curl https://<canvas>/api/v1/courses/1/collaborations/
#
# @returns [Collaboration]
def api_index
return unless authorized_action(@context, @current_user, :read) &&
(tab_enabled?(@context.class::TAB_COLLABORATIONS) || tab_enabled?(@context.class::TAB_COLLABORATIONS_NEW))
log_api_asset_access([ "collaborations", @context ], "collaborations", "other")
url = @context.instance_of?(Course) ? api_v1_course_collaborations_index_url : api_v1_group_collaborations_index_url
collaborations_query = @context.collaborations.active.
eager_load(:user).
where(type: 'ExternalToolCollaboration')
unless @context.grants_right?(@current_user, session, :manage_content)
where_collaborators = Collaboration.arel_table[:user_id].eq(@current_user&.id).
or(Collaborator.arel_table[:user_id].eq(@current_user&.id))
if @context.instance_of?(Course)
users_course_groups = @context.groups.joins(:users).where(User.arel_table[:id].eq(@current_user&.id)).pluck(:id)
where_collaborators = where_collaborators.or(Collaborator.arel_table[:group_id].in(users_course_groups))
end
collaborations_query = collaborations_query.
eager_load(:collaborators).
where(where_collaborators)
end
collaborations = Api.paginate(
collaborations_query,
self,
url
)
render :json => collaborations.map { |c| collaboration_json(c, @current_user, session) }
end
def show
@collaboration = @context.collaborations.find(params[:id])
if authorized_action(@collaboration, @current_user, :read)
@collaboration.touch
begin
if @collaboration.valid_user?(@current_user)
@collaboration.authorize_user(@current_user)
log_asset_access(@collaboration, "collaborations", "other", 'participate')
if @collaboration.is_a? ExternalToolCollaboration
url = external_tool_launch_url(@collaboration.url)
else
url = @collaboration.url
end
redirect_to url
elsif @collaboration.is_a?(GoogleDocsCollaboration)
redirect_to oauth_url(:service => :google_drive, :return_to => request.url)
else
flash[:error] = t 'errors.cannot_load_collaboration', "Cannot load collaboration"
redirect_to named_context_url(@context, :context_collaborations_url)
end
rescue GoogleDrive::ConnectionException => drive_exception
Canvas::Errors.capture(drive_exception)
flash[:error] = t 'errors.cannot_load_collaboration', "Cannot load collaboration"
redirect_to named_context_url(@context, :context_collaborations_url)
end
end
end
def lti_index
return unless authorized_action(@context, @current_user, :read) &&
tab_enabled?(@context.class::TAB_COLLABORATIONS)
@page_title = t('lti_collaborations', 'LTICollaborations')
@body_classes << 'full-width padless-content'
js_bundle :react_collaborations
css_bundle :react_collaborations
add_crumb(t('#crumbs.collaborations', "Collaborations"), polymorphic_path([@context, :lti_collaborations]))
if @context.instance_of? Group
parent_context = @context.context
js_env :PARENT_CONTEXT => {
:context_asset_string => parent_context.try(:asset_string)
}
end
set_tutorial_js_env
render :html => "".html_safe, :layout => true
end
def create
return unless authorized_action(@context.collaborations.build, @current_user, :create)
content_item = params['contentItems'] ? JSON.parse(params['contentItems']).first : nil
if content_item
@collaboration = collaboration_from_content_item(content_item)
users, group_ids = content_item_visibility(content_item)
else
users = User.where(:id => Array(params[:user])).to_a
group_ids = Array(params[:group])
collaboration_params = params.require(:collaboration).permit(:title, :description, :url)
collaboration_params[:user] = @current_user
@collaboration = Collaboration.typed_collaboration_instance(params[:collaboration].delete(:collaboration_type))
collaboration_params.delete(:url) unless @collaboration.is_a?(ExternalToolCollaboration)
@collaboration.attributes = collaboration_params
end
@collaboration.context = @context
respond_to do |format|
if @collaboration.save
Lti::ContentItemUtil.new(content_item).success_callback if content_item
# After saved, update the members
@collaboration.update_members(users, group_ids)
format.html { redirect_to @collaboration.url }
format.json { render :json => @collaboration.as_json(:methods => [:collaborator_ids], :permissions => {:user => @current_user, :session => session}) }
else
Lti::ContentItemUtil.new(content_item).failure_callback if content_item
flash[:error] = t 'errors.create_failed', "Collaboration creation failed"
format.html { redirect_to named_context_url(@context, :context_collaborations_url) }
format.json { render :json => @collaboration.errors, :status => :bad_request }
end
end
end
def update
@collaboration = @context.collaborations.find(params[:id])
return unless authorized_action(@collaboration, @current_user, :update)
content_item = params['contentItems'] ? JSON.parse(params['contentItems']).first : nil
begin
if content_item
@collaboration = collaboration_from_content_item(content_item, @collaboration)
users, group_ids = content_item_visibility(content_item)
else
users = User.where(:id => Array(params[:user])).to_a
group_ids = Array(params[:group])
@collaboration.attributes = params.require(:collaboration).permit(:title, :description, :url)
end
@collaboration.update_members(users, group_ids)
respond_to do |format|
if @collaboration.save
Lti::ContentItemUtil.new(content_item).success_callback if content_item
format.html { redirect_to named_context_url(@context, :context_collaborations_url) }
format.json { render :json => @collaboration.as_json(
:methods => [:collaborator_ids],
:permissions => {
:user => @current_user,
:session => session
}
)}
else
Lti::ContentItemUtil.new(content_item).failure_callback if content_item
flash[:error] = t 'errors.update_failed', "Collaboration update failed"
format.html { redirect_to named_context_url(@context, :context_collaborations_url) }
format.json { render :json => @collaboration.errors, :status => :bad_request }
end
end
rescue GoogleDrive::ConnectionException => error
Rails.logger.warn error
flash[:error] = t 'errors.update_failed', "Collaboration update failed" # generic failure message
if error.message.include?('File not found')
flash[:error] = t 'google_drive.file_not_found', "Collaboration file not found"
end
raise error unless error.message.include?('File not found')
redirect_to named_context_url(@context, :context_collaborations_url)
end
end
def destroy
@collaboration = @context.collaborations.find(params[:id])
if authorized_action(@collaboration, @current_user, :delete)
@collaboration.delete_document if value_to_boolean(params[:delete_doc])
@collaboration.destroy
respond_to do |format|
format.html { redirect_to named_context_url(@context, :collaborations_url) }
format.json { render :json => @collaboration }
end
end
end
# @API List members of a collaboration.
#
# A paginated list of the collaborators of a given collaboration
#
# @argument include[] [String, "collaborator_lti_id"|"avatar_image_url"]
# - "collaborator_lti_id": Optional information to include with each member.
# Represents an identifier to be used for the member in an LTI context.
# - "avatar_image_url": Optional information to include with each member.
# The url for the avatar of a collaborator with type 'user'.
#
# @example_request
#
# curl https://<canvas>/api/v1/courses/1/collaborations/1/members
#
# @returns [Collaborator]
def members
return unless authorized_action(@collaboration, @current_user, :read)
includes = Array(params[:include])
options = {include: includes}
collaborators = @collaboration.collaborators.preload(:group, :user)
collaborators = Api.paginate(collaborators,
self,
api_v1_collaboration_members_url)
UserPastLtiId.manual_preload_past_lti_ids(collaborators, @context) if includes.include? 'collaborator_lti_id'
render(:json => collaborators.map{|c| collaborator_json(c, @current_user, session, options, context: @context)})
end
# @API List potential members
#
# A paginated list of the users who can potentially be added to a
# collaboration in the given context.
#
# For courses, this consists of all enrolled users. For groups, it is comprised of the
# group members plus the admins of the course containing the group.
#
# @returns [User]
def potential_collaborators
return unless authorized_action(@context, @current_user, :read_roster)
scope = @context.potential_collaborators.order(:sortable_name)
users = Api.paginate(scope, self, polymorphic_url([:api_v1, @context, :potential_collaborators]))
render :json => users.map { |u| user_json(u, @current_user, session) }
end
private
def require_collaboration_and_context
@collaboration = if @context.present?
@context.collaborations.find(params[:id])
else
Collaboration.find(params[:id])
end
@context = @collaboration.context
end
def require_collaborations_configured
unless Collaboration.any_collaborations_configured?(@context) || @domain_root_account.feature_enabled?(:new_collaborations)
flash[:error] = t 'errors.not_enabled', "Collaborations have not been enabled for this Canvas site"
redirect_to named_context_url(@context, :context_url)
return false
end
end
def collaboration_from_content_item(content_item, collaboration = ExternalToolCollaboration.new)
collaboration.attributes = {
title: content_item['title'],
description: content_item['text'],
user: @current_user
}
collaboration.data = content_item
collaboration.url = content_item['url']
collaboration
end
def external_tool_launch_url(url)
polymorphic_url([:retrieve, @context, :external_tools], url: url, display: 'borderless')
end
def content_item_visibility(content_item)
visibility = content_item['ext_canvas_visibility']
lti_user_ids = visibility && visibility['users'] || []
lti_group_ids = visibility && visibility['groups'] || []
users = User.active.joins(:past_lti_ids).where(user_past_lti_ids: {user_lti_context_id: lti_user_ids}).distinct.to_a
users += User.active.where(lti_context_id: lti_user_ids).to_a
group_ids = Group.where(lti_context_id: lti_group_ids).map(&:id)
[users, group_ids]
end
end