Pager.js to coffee

app/assets/javascripts/pager.js.coffee

@@ -0,0 +1,42 @@
+@Pager =
+  limit: 0
+  offset: 0
+  disable: false
+  init: (limit, preload) ->
+    @limit = limit
+    if preload
+      @offset = 0
+      @getOld()
+    else
+      @offset = limit
+    @initLoadMore()
+
+  getOld: ->
+    $(".loading").show()
+    $.ajax
+      type: "GET"
+      url: location.href
+      data: "limit=" + @limit + "&offset=" + @offset
+      complete: ->
+        $(".loading").hide()
+
+      dataType: "script"
+
+  append: (count, html) ->
+    $(".content_list").append html
+    if count > 0
+      @offset += count
+    else
+      @disable = true
+
+  initLoadMore: ->
+    $(document).endlessScroll
+      bottomPixels: 400
+      fireDelay: 1000
+      fireOnce: true
+      ceaseFire: ->
+        Pager.disable
+
+      callback: (i) ->
+        $(".loading").show()
+        Pager.getOld()