polish teachers

app/controllers/teachers_controller.rb

@@ -3,7 +3,7 @@ class TeachersController < ApplicationController
 
   # GET /teachers
   def index
-    @teachers = Teacher.all
+    @teachers = Teacher.page params[:page]
   end
 
   # GET /teachers/1

app/helpers/application_helper.rb

@@ -10,6 +10,17 @@ module ApplicationHelper
     Redcarpet::Markdown.new(html, options)
   end
 
+  def shorten(text , to = 100)
+    return "" if text.blank?
+    "#{text[0..to]}  . . . ".html_safe
+  end
+
+  def prose_classes
+    classes  = "prose lg:prose-lg "
+    classes += "prose-headings:text-inherit "
+    { class: classes }
+  end
+
   def markdown(text)
     return "" if text.blank?
     text = text.text unless text.is_a?(String)
@@ -25,4 +36,13 @@ module ApplicationHelper
     "mr-3 inline-block rounded-lg px-3 py-2 text-md font-medium border border-gray-500"
   end
 
+  def image_for(someone , classes = "")
+    if someone.picture.blank?
+      image = asset_url("no_image.png")
+    else
+      image = someone.picture.url
+    end
+    image_tag(image , alt: someone.name , class: classes )
+  end
+
 end

app/views/teachers/index.html.haml

@@ -6,10 +6,8 @@
       .fex.flex-col.overflow-hidden.rounded-lg.border.border-gray-100.shadow-sm.m-10
         =link_to teacher do
           = image_for( teacher ,  class: "h-60 w-full object-cover")
-          %h3.pt-5.text-2xl.bg-gray-100.text-black.font-bold.text-center
+          %h3.py-5.text-2xl.bg-gray-100.text-black.font-bold.text-center
             = teacher.name
-          .p-2.text-xs.bg-gray-50.text-black.font-bold.text-center
-            = stayed teacher
         %div.h-full
           .p-5.text-center
             .m-2.text-sm.leading-relaxed.line-clamp-3{ prose_classes }