groups_controller.rb

class GroupsController < ApplicationController
  # GET /groups
  # GET /groups.xml

  def index
    @groups = Group.all.sort{ |b,a| a.users.size <=> b.users.size}

    respond_to do |format|
      format.html # index.html.erb
      format.xml  { render :xml => @groups }
    end
  end

  # GET /groups/1
  # GET /groups/1.xml
  def show
    @group = Group.find(params[:id])
    group_members = @group.users
    @group_size = group_members.size
    @group_average = (group_members.average(:score)) # / @group_size
    @group_win = group_members.inject (0) { |sum,user| sum + user.win }
    @group_loss = group_members.inject (0) { |sum,user| sum + user.loss }
    @top_females = group_members.female.top25
    @top_males = group_members.male.top25
    respond_to do |format|
      format.html # show.html.erb
      format.xml  { render :xml => @group }
    end
  end

  # GET /groups/new
  # GET /groups/new.xml
  def new
    @group = Group.new

    respond_to do |format|
      format.html # new.html.erb
      format.xml  { render :xml => @group }
    end
  end

  # GET /groups/1/edit
  def edit
    @group = Group.find(params[:id])
  end

  # POST /groups
  # POST /groups.xml
  def create
    @group = Group.new(params[:group])

    respond_to do |format|
      if @group.save
        format.html { redirect_to(@group, :notice => 'Group was successfully created.') }
        format.xml  { render :xml => @group, :status => :created, :location => @group }
      else
        format.html { render :action => "new" }
        format.xml  { render :xml => @group.errors, :status => :unprocessable_entity }
      end
    end
  end

  # PUT /groups/1
  # PUT /groups/1.xml
  def update
    @group = Group.find(params[:id])

    respond_to do |format|
      if @group.update_attributes(params[:group])
        format.html { redirect_to(@group, :notice => 'Group was successfully updated.') }
        format.xml  { head :ok }
      else
        format.html { render :action => "edit" }
        format.xml  { render :xml => @group.errors, :status => :unprocessable_entity }
      end
    end
  end

  # DELETE /groups/1
  # DELETE /groups/1.xml
  def destroy
    @group = Group.find(params[:id])
    @group.destroy

    respond_to do |format|
      format.html { redirect_to(groups_url) }
      format.xml  { head :ok }
    end
  end
end