def save_profile
    unless params[:user].blank?
      if params[:user][:uploaded_picture].blank?
        params[:user].delete(:uploaded_picture)
      end
    end

    u = current_user
    err_msg = nil
    begin
      u.update_attributes(params[:user])
    rescue Magick::ImageMagickError
      err_msg = 'Das Bild konnte nicht hochgeladen werden'
    rescue
      err_msg = 'Die Daten konnten nicht gespeichert werden'
    end

    u.sex = params[:sex]
    u.street = params[:street]
    u.postal_code = params[:postal_code]
    u.city_name = params[:city_name]
    u.university_id = params[:university_id]
    u.country_id = params[:country]
    u.field_of_study_id = params[:field_of_study_id].to_i
    u.semester = params[:semester]
    u.age_group = params[:age_group]
    u.soc_studivz = params[:soc_studivz]
    u.soc_studivz_num_contacts = params[:soc_studivz_num_contacts]
    u.soc_xing = params[:soc_xing]
    u.soc_xing_num_contacts = params[:soc_xing_num_contacts]
    u.soc_skype = params[:soc_skype]
    u.soc_blog = params[:soc_blog]
    u.soc_other = params[:soc_other]
    u.soc_other_type = params[:soc_other_type]
    u.soc_other_num_contacts = params[:soc_other_num_contacts]
    u.mobile_phone = params[:mobile_phone]
    u.martial_status = params[:martial_status]
    u.clubs = params[:clubs]
    u.interested_in = params[:interested_in]
    u.why_smaboo = params[:why_smaboo]
    u.bank_account = params[:bank_account]
    u.bank_name = params[:bank_name]
    u.bank_account_holder = params[:bank_account_holder]
    u.bank_code = params[:bank_code]
    u.bank_iban = params[:bank_iban]
    u.bank_swift_bic = params[:bank_swift_bic]

    [:notebook_brand_id, :notebook_tag_type_id].each{|v| params[v] = params[:user][v]}

    User.required_fields_in_profile.each do |f|
      if !err_msg.nil? || params[f].blank?
        @current_user = u
        @user = @current_user
        @university_id = params[:university_id].to_i
        @city_id = params[:city_id].to_i
        @region_id = params[:region_id].to_i
        @country_id = params[:country_id].to_i
        @is_agent = @current_user.is_agent?
        @is_promoter = @current_user.is_promoter?

        @required_fields = User.required_fields_in_profile
        if err_msg.nil?
          flash[:error] = 'Bitte fülle alle Pflichtfelder aus!' # + f.to_s
        else
          flash[:error] = err_msg
        end
        render :action => "profile"
        return
      end
    end

    if(params[:email_new] != params[:email_new_conf])
      flash[:error] = 'Bitte bestätige deine Email.'
      redirect_to :action => 'profile'
      return
    end
    unless params[:email_new].blank?
      if(!params[:email_new].valid_email?)
        flash[:error] = 'Bitte gib eine gültige Emailadresse ein.'
        redirect_to :action => 'profile'
        return
      end
      u.email = params[:email_new]
    end

    has_blank_pwd = false
    has_non_blank_pwd = false
    [:pwd_old, :pwd_new, :pwd_new_conf].each do |t|
      if params[t].blank?
        has_blank_pwd = true
      else
        has_non_blank_pwd = true
      end
    end

    if has_blank_pwd && has_non_blank_pwd
      flash[:error] = 'Um das Passwort zu ändern, müssen alle Passwortfelder ausgefüllt werden'
      redirect_to :action => 'profile'
      return
    end
    if has_non_blank_pwd
      lo = u.login
      my_hashed = Login.encrypted_password(params[:pwd_old])
      if lo.hashed_password == my_hashed
        if (params[:pwd_new] == params[:pwd_new_conf])
          lo.password = params[:pwd_new]
          unless lo.save
            flash[:error] = "Das Passwort konnte nicht gespeichert werden"
            redirect_to :action => 'profile'
            return
          end
        else
          flash[:error] = "Die Passwörter stimmen nicht überein"
          redirect_to :action => 'profile'
          return
        end
      else
        flash[:error] = "Das eingegebene (alte) Passwort ist falsch"
        redirect_to :action => 'profile'
        return
      end
    end

    u.save!
    flash[:notice] = 'Deine Änderungen wurden gespeichert.'
    redirect_to(:action => "profile")
  end