在选择标记中显示当前用户的数据及其名称
我想根据通过导航栏传递的参数值显示当前用户的(经理)数据,并在select标签中显示其名称,User有两个角色(’user’,’manager’)或枚举角色(0,1)。 这是我在导航栏中给出的链接 –
%li= link_to 'Timesheet', is_manager? ? timesheet_path(user_id: current_user.id) : timesheet_path, class: navlink_class('timesheets')
但是在控制器中它变得复杂,因为我使用的查询是这些 –
@begin_date = params[:begin_date].present? ? Date.parse(params[:begin_date]) : Date.today.beginning_of_month @end_date = params[:end_date].present? ? Date.parse(params[:end_date]) : Date.today.end_of_month begin_datetime = @begin_date.beginning_of_day end_datetime = @end_date.end_of_day @user_tasks = Task.joins(:task_time_trackers).where("(task_time_trackers.created_at BETWEEN ? AND ?)",begin_datetime, end_datetime ).distinct.order("id ASC") user_trackers = TaskTimeTracker.joins(:task).where("(task_time_trackers.created_at BETWEEN ? AND ?)",begin_datetime, end_datetime ) u_id = nil u_id = params[:u_id] if (params[:u_id] && params[:u_id] != 'all') u_id = current_user.id if current_user.role == 'user' unless u_id.nil? @user_tasks = @user_tasks.where( task_time_trackers: { user_id: u_id}) user_trackers = user_trackers.where( task_time_trackers: { user_id: u_id}) end
最后我使用的选择标签 –
select_tag(:u_id, options_for_select(User.user_for_select(current_user), selected: params[:u_id]), class: "input-sm form-control", onchange: "this.form.submit();")
用户模型 –
class << self def user_for_select(user) self .pluck("CASE WHEN id = #{user.id} THEN 'Me' ELSE name END AS name, id") .unshift(['All', 'all']) end end
我不知道你为什么需要在选择列表中加载current_user。 但您可以在用户模型中自定义选择,如下所示:
def user_for_select(user) self .where(id: user.id) .pluck("CASE WHEN id = #{user.id} THEN 'Me' ELSE name END AS name, id") end end
编辑取决于评论:
在用户模型中添加以下方法:
def is_manager? self.role == "manager" end
然后更新选择如下:
def user_for_select(user) if user.is_manager? self .pluck("CASE WHEN id = #{user.id} THEN 'Me' ELSE name END AS name, id") .unshift(['All', 'all']) else self .where(id: user.id) .pluck("CASE WHEN id = #{user.id} THEN 'Me' ELSE name END AS name, id") end end
这就是我得到结果的方法,在导航栏中做了这个改变 –
- if is_manager? %li= link_to 'Timesheet', timesheet_path(u_id: current_user.id) - else %li= link_to 'Timesheet', timesheet_path
并在选择标签中进行此更改 –
select_tag(:u_id, options_for_select(User.user_for_select(current_user), params[:u_id]), class: "input-sm form-control", onchange: "this.form.submit();")