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campaigns_controller.rb
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campaigns_controller.rb
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# frozen_string_literal: true
require_dependency "#{Rails.root}/lib/analytics/campaign_csv_builder"
require_dependency "#{Rails.root}/lib/analytics/ores_diff_csv_builder"
#= Controller for campaign data
class CampaignsController < ApplicationController
layout 'admin', only: %i[index create]
before_action :require_signed_in, only: %i[instructors courses articles_csv
revisions_csv]
before_action :set_campaign, only: %i[overview programs articles users edit
update destroy add_organizer remove_organizer
remove_course courses ores_plot articles_csv
revisions_csv alerts students instructors
wikidata]
before_action :require_create_permissions, only: [:create]
before_action :require_write_permissions, only: %i[update destroy add_organizer
remove_organizer remove_course edit]
DETAILS_FIELDS = %w[title start end].freeze
def index
@query = search_params[:search]
@campaigns = if @query.present?
@results = Campaign.where('lower(title) like ?', "%#{@query.downcase}%")
else
Campaign.all
end
@campaign = Campaign.new
end
def show
respond_to do |format|
format.json do
@campaign = Campaign.find_by(slug: params[:slug]) if params[:slug]
set_presenter
end
end
end
def new
redirect_to campaigns_path(create: true)
end
def create
overrides = {}
if campaign_params[:default_passcode] == 'custom'
overrides[:default_passcode] = params[:campaign][:custom_default_passcode]
end
@campaign = Campaign.create campaign_params.merge(overrides)
if @campaign.valid?
add_organizer_to_campaign(current_user)
redirect_to overview_campaign_path(@campaign.slug)
else
@campaigns = Campaign.all
render :index
end
end
def overview
set_presenter
@editable = current_user&.admin? || user_is_organizer?
# @is_admin = current_user@.admin?
end
def articles
set_page
set_presenter
end
def users
respond_to do |format|
format.html do
set_presenter
@courses_users = CoursesUsers.where(
course: @campaign.nonprivate_courses, role: CoursesUsers::Roles::STUDENT_ROLE
).eager_load(:user, :course).order(revision_count: :desc)
end
format.json do
set_campaign
render json: { campaign: @campaign.slug, users: @campaign.users_to_json }
end
end
end
def assignments
set_campaign
render json: { campaign: @campaign.slug, assignments: @campaign.assignments_to_json }
end
def alerts
respond_to do |format|
format.html { render }
format.json do
@campaign = Campaign.find_by(slug: params[:slug]) if params[:slug]
end
end
end
def edit
set_presenter
end
def programs
set_page
set_presenter
@search_terms = params[:courses_query]
@results = @presenter.search_courses(@search_terms) if @search_terms.present?
end
def ores_plot
set_presenter
end
def update
if @campaign.update(campaign_params)
flash[:notice] = t('campaign.campaign_updated')
redirect_to overview_campaign_path(@campaign.slug)
else
set_presenter
@editable = true
# If one of the Details fields was invalid, passing instance variable
# used to show the Details form in 'edit mode'
@open_details = (@campaign.errors.messages.keys & DETAILS_FIELDS).empty?
render :edit
end
end
def destroy
@campaign.destroy
flash[:notice] = t('campaign.campaign_deleted', title: @campaign.title)
redirect_to campaigns_path
end
def add_organizer
user = User.find_by(username: params[:username])
if user.nil?
flash[:error] = I18n.t('courses.error.user_exists', username: params[:username])
else
add_organizer_to_campaign(user)
flash[:notice] = t('campaign.organizer_added', user: params[:username],
title: @campaign.title)
end
redirect_to overview_campaign_path(@campaign.slug)
end
def remove_organizer
organizer = CampaignsUsers.find_by(user_id: params[:id],
campaign: @campaign,
role: CampaignsUsers::Roles::ORGANIZER_ROLE)
unless organizer.nil?
flash[:notice] = t('campaign.organizer_removed', user: organizer.user.username,
title: @campaign.title)
organizer.destroy
end
redirect_to overview_campaign_path(@campaign.slug)
end
def remove_course
campaigns_course = CampaignsCourses.find_by(course_id: params[:course_id],
campaign_id: @campaign.id)
result = campaigns_course&.destroy
message = result ? 'campaign.course_removed' : 'campaign.course_already_removed'
flash[:notice] = t(message, title: params[:course_title],
campaign_title: @campaign.title)
redirect_to programs_campaign_path(@campaign.slug)
end
#######################
# CSV-related actions #
#######################
CSV_PATH = '/system/analytics'
def students
csv_of('students')
end
def instructors
csv_of('instructors')
end
def courses
csv_of('courses')
end
def articles_csv
csv_of('articles')
end
def revisions_csv
csv_of('revisions')
end
def wikidata
csv_of('wikidata')
end
private
def csv_of(type)
include_course_segment = csv_params[:course] ? '-with_courses' : ''
filename = "#{@campaign.slug}-#{type}#{include_course_segment}-#{Time.zone.today}.csv"
if File.exist? "public#{CSV_PATH}/#{filename}"
redirect_to "#{CSV_PATH}/#{filename}"
else
CampaignCsvWorker.generate_csv(campaign: @campaign, filename: filename, type: type,
include_course: csv_params[:course])
render plain: 'This file is being generated. Please try again shortly.', status: :ok
end
end
def require_create_permissions
require_signed_in
require_admin_permissions unless Features.open_course_creation?
end
def require_write_permissions
return if current_user&.admin? || user_is_organizer?
exception = ActionController::InvalidAuthenticityToken.new('Unauthorized')
raise exception
end
def set_campaign
@campaign = Campaign.find_by(slug: params[:slug])
return if @campaign
raise ActionController::RoutingError.new('Not Found'), 'Campaign does not exist'
end
def set_page
@page = params[:page]&.to_i
@page = nil unless @page&.positive?
end
def set_presenter
@presenter = CoursesPresenter.new(current_user: current_user,
campaign_param: @campaign.slug, page: @page)
end
def add_organizer_to_campaign(user)
CampaignsUsers.create(user: user,
campaign: @campaign,
role: CampaignsUsers::Roles::ORGANIZER_ROLE)
end
def user_is_organizer?
return false unless current_user
@campaign.campaigns_users.where(user_id: current_user.id,
role: CampaignsUsers::Roles::ORGANIZER_ROLE).any?
end
def csv_params
params.permit(:slug, :course)
end
def campaign_params
params.require(:campaign)
.permit(:slug, :description, :template_description, :title, :start, :end,
:default_course_type, :default_passcode)
end
def search_params
params.permit(:search)
end
end