copy timeline here

app/helpers/members_helper.rb

@@ -15,9 +15,9 @@ module MembersHelper
   end
 
   def stayed(member)
-    return "Not arrived" if member.arrived.blank?
-    text = member.arrived.to_s
-    return text + " not left" if member.left.blank?
-    text + " " + distance_of_time_in_words( member.left , member.arrived)
+    return "Not arrived" if member.arriving.blank?
+    text = member.arriving.to_s
+    return text + " not left" if member.leaving.blank?
+    text + " " + distance_of_time_in_words( member.leaving , member.arriving)
   end
 end

app/helpers/timeline_helper.rb

@@ -0,0 +1,63 @@
+module TimelineHelper
+
+  def week_pixels
+    70
+  end
+  def day_pixels
+    week_pixels / 7
+  end
+  def max_days
+    @weeks * 7
+  end
+  def started_days(member)
+    return 0 unless member.arriving
+    return 0 if member.arriving < Date.today.at_beginning_of_month
+    distance = (member.arriving - Date.today.at_beginning_of_month).to_i
+    distance > max_days ? max_days : distance
+  end
+
+  def stay_days(member)
+    return 0 unless member.leaving
+    start = member.arriving
+    start = Date.today.at_beginning_of_month if member.arriving < Date.today.at_beginning_of_month
+    distance = ( member.leaving - member.arriving ).to_i
+    max = max_days - started_days(member)
+    distance > max ? max : distance
+  end
+  def weekly
+    data = {}
+    week = 0
+    while( week < @weeks ) do
+      data[ week ] = -1
+      start_week = Date.today.at_beginning_of_month + week.weeks
+      end_week = Date.today.at_beginning_of_month + (week + 1).weeks
+      @members.each do |mem|
+        next unless mem.arriving
+        next unless mem.leaving
+        next if mem.arriving > start_week
+        next if mem.leaving < end_week
+        data[ week ] += 1
+      end
+      week += 1
+    end
+    data
+  end
+  def bg_for(week)
+    [ "bg-cyan-100",
+      "bg-blue-100",
+      "bg-violet-100",
+      "bg-fuchsia-100",
+      "bg-pink-100",
+      "bg-rose-100",
+      "bg-orange-100",
+      "bg-amber-100",
+      "bg-yellow-100",
+      "bg-lime-100",
+      "bg-green-100",
+      "bg-teal-100",
+    ][week%12]
+  end
+  def small_date(date)
+    date.strftime("%-d.%-m")
+  end
+end