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class UserAdminController < ApplicationController
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before_filter :admin_authorization
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def index
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list
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render :action => 'list'
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end
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# GETs should be safe (see http://www.w3.org/2001/tag/doc/whenToUseGet.html)
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verify :method => :post, :only => [ :destroy,
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:create, :create_from_list,
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:update ],
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:redirect_to => { :action => :list }
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def list
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@users = User.find(:all)
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@hidden_columns = ['hashed_password', 'salt', 'created_at', 'updated_at']
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@contests = Contest.all(:conditions => {:enabled => true})
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end
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def active
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sessions = ActiveRecord::SessionStore::Session.find(:all, :conditions => ["updated_at >= ?", 60.minutes.ago])
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@users = []
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sessions.each do |session|
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if session.data[:user_id]
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@users << User.find(session.data[:user_id])
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end
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end
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end
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def show
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@user = User.find(params[:id])
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end
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def new
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@user = User.new
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end
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def create
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@user = User.new(params[:user])
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@user.activated = true
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if @user.save
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flash[:notice] = 'User was successfully created.'
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redirect_to :action => 'list'
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else
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render :action => 'new'
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end
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end
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def create_from_list
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lines = params[:user_list]
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note = []
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lines.split("\n").each do |line|
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items = line.chomp.split(',')
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if items.length>=2
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login = items[0]
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full_name = items[1]
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added_random_password = false
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if items.length>=3
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password = items[2]
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user_alias = (items.length>=4) ? items[3] : login
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else
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password = random_password
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user_alias = (items.length>=4) ? items[3] : login
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added_random_password = true
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end
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user = User.new({:login => login,
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:full_name => full_name,
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:password => password,
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:password_confirmation => password,
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:alias => user_alias})
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user.activated = true
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user.save
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if added_random_password
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note << "'#{login}' (+)"
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else
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note << login
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end
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end
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end
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flash[:notice] = 'User(s) ' + note.join(', ') +
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' were successfully created. ' +
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'( (+) - created with random passwords.)'
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redirect_to :action => 'list'
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end
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def edit
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@user = User.find(params[:id])
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end
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def update
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@user = User.find(params[:id])
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if @user.update_attributes(params[:user])
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flash[:notice] = 'User was successfully updated.'
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redirect_to :action => 'show', :id => @user
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else
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render :action => 'edit'
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end
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end
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def destroy
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User.find(params[:id]).destroy
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redirect_to :action => 'list'
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end
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def user_stat
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@problems = Problem.find_available_problems
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@users = User.find(:all)
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@scorearray = Array.new
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@users.each do |u|
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ustat = Array.new
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ustat[0] = u
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@problems.each do |p|
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sub = Submission.find_last_by_user_and_problem(u.id,p.id)
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if (sub!=nil) and (sub.points!=nil)
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ustat << [(sub.points.to_f*100/p.full_score).round, (sub.points>=p.full_score)]
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else
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ustat << [0,false]
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end
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end
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@scorearray << ustat
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end
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end
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def import
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if params[:file]==''
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flash[:notice] = 'Error importing no file'
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redirect_to :action => 'list' and return
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end
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import_from_file(params[:file])
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end
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def random_all_passwords
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users = User.find(:all)
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@prefix = params[:prefix] || ''
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@non_admin_users = User.find_non_admin_with_prefix(@prefix)
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@changed = false
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if request.request_method == :post
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@non_admin_users.each do |user|
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password = random_password
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user.password = password
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user.password_confirmation = password
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user.save
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end
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@changed = true
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end
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end
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# contest management
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def add_to_contest
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user = User.find(params[:id])
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contest = Contest.find(params[:contest_id])
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if user and contest
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user.contests << contest
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end
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redirect_to :action => 'list'
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end
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def remove_from_contest
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user = User.find(params[:id])
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contest = Contest.find(params[:contest_id])
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if user and contest
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user.contests.delete(contest)
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end
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redirect_to :action => 'list'
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end
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def contest_management
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end
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def manage_contest
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contest = Contest.find(params[:contest][:id])
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if !contest
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flash[:notice] = 'You did not choose the contest.'
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redirect_to :action => 'contest_management' and return
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end
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operation = params[:operation]
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if not ['add','remove','assign'].include? operation
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flash[:notice] = 'You did not choose the operation to perform.'
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redirect_to :action => 'contest_management' and return
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end
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lines = params[:login_list]
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if !lines or lines.blank?
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flash[:notice] = 'You entered an empty list.'
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redirect_to :action => 'contest_management' and return
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end
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note = []
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lines.split("\n").each do |line|
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puts line
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user = User.find_by_login(line.chomp)
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puts user
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if user
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if operation=='add'
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user.contests << contest
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elsif operation=='remove'
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user.contests.delete(contest)
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else
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user.contests = [contest]
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end
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note << user.login
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end
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end
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flash[:notice] = 'User(s) ' + note.join(', ') +
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' were successfully modified. '
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redirect_to :action => 'contest_management'
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end
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# admin management
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def admin
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@admins = User.find(:all).find_all {|user| user.admin? }
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end
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def grant_admin
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login = params[:login]
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user = User.find_by_login(login)
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if user!=nil
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admin_role = Role.find_by_name('admin')
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user.roles << admin_role
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else
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flash[:notice] = 'Unknown user'
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end
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flash[:notice] = 'User added as admins'
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redirect_to :action => 'admin'
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end
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def revoke_admin
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user = User.find(params[:id])
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if user==nil
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flash[:notice] = 'Unknown user'
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redirect_to :action => 'admin' and return
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elsif user.login == 'root'
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flash[:notice] = 'You cannot revoke admisnistrator permission from root.'
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redirect_to :action => 'admin' and return
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end
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admin_role = Role.find_by_name('admin')
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user.roles.delete(admin_role)
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flash[:notice] = 'User permission revoked'
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redirect_to :action => 'admin'
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end
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protected
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def random_password(length=5)
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chars = 'abcdefghijkmnopqrstuvwxyz23456789'
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newpass = ""
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length.times { newpass << chars[rand(chars.size-1)] }
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return newpass
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end
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def import_from_file(f)
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data_hash = YAML.load(f)
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@import_log = ""
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country_data = data_hash[:countries]
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site_data = data_hash[:sites]
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user_data = data_hash[:users]
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# import country
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countries = {}
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country_data.each_pair do |id,country|
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c = Country.find_by_name(country[:name])
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if c!=nil
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countries[id] = c
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@import_log << "Found #{country[:name]}\n"
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else
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countries[id] = Country.new(:name => country[:name])
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countries[id].save
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@import_log << "Created #{country[:name]}\n"
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end
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end
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# import sites
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sites = {}
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site_data.each_pair do |id,site|
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s = Site.find_by_name(site[:name])
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if s!=nil
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@import_log << "Found #{site[:name]}\n"
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else
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s = Site.new(:name => site[:name])
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@import_log << "Created #{site[:name]}\n"
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end
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s.password = site[:password]
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s.country = countries[site[:country_id]]
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s.save
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sites[id] = s
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end
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# import users
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user_data.each_pair do |id,user|
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u = User.find_by_login(user[:login])
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if u!=nil
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@import_log << "Found #{user[:login]}\n"
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else
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u = User.new(:login => user[:login])
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@import_log << "Created #{user[:login]}\n"
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end
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u.full_name = user[:name]
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u.password = user[:password]
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u.country = countries[user[:country_id]]
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u.site = sites[user[:site_id]]
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u.activated = true
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u.email = "empty-#{u.login}@none.com"
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if not u.save
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@import_log << "Errors\n"
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u.errors.each { |attr,msg| @import_log << "#{attr} - #{msg}\n" }
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end
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end
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end
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end
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Jittat Fakcharoenphol-