polish teachers

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