How to group posts by month and year,archive display

if i click on month i want to display only that months blog posts,this
is an existing code which is working fine for few months not for
all,where am i doing wrong ,should i change the code.can any one help me
out.and also i want the month and date to display in reverse ,recent on
top.like

ARCHIVES
January 2015
December 2014
November 2014
October 2014
September 2014
August 2014
June 2014
May 2014
.
.

app/blogcontroller.rb

class BlogController < ApplicationController

require 'date'
if (params[:population_categories])
  @blog_posts = BlogPost.live.where(:population_category_ids

=>params[:population_categories]).latest.page(params[:page])
elsif (params[:month])
b_dt = DateTime.strptime(“01/” + params[:month].to_s + “/” +
params[:year] + " 00:00", “%d/%m/%Y %H:%M”)
e_dt = DateTime.strptime(“01/” + (params[:month].to_i+1).to_s +
“/” + params[:year] + " 00:00", “%d/%m/%Y %H:%M”)
else
@blog_posts=BlogPost.live.keyword(params[:keyword]).latest.page(params[:page])
end

app/views/blog/index.html.erb

<div class="right-col">
<h2>ARCHIVES</h2>
<div class='posts_by_month'>

  <ul>
  <% archive_string = "" %>
  <% date_value = "" %>
  <% @posts_by_month.each do |monthname, posts| %>

    <% date_value = (Date::MONTHNAMES[monthname[0..-6].to_i]) + " "
  • (monthname[3…8]) %>
    <% archive_string = “

  • ” + date_value +
  • ” + archive_string %>
    <% end %>
    <%= raw archive_string %>

On 25 February 2015 at 07:20, Sailatha Kashamoni
[email protected] wrote:

if i click on month i want to display only that months blog posts,this
is an existing code which is working fine for few months not for
all,where am i doing wrong ,should i change the code.can any one help me
out.and also i want the month and date to display in reverse ,recent on
top.like

Firstly do you understand how the existing code works? If not then
the first task is to understand it. If necessary put some debug code
in to display or log variables so you can work out what is going on.
Once you understand how the code works then again look in the log file
and use debug techniques to run through with a month that is not
working and see why it does not work. Almost certainly you will then
see the problem for yourself, if not then come back here show us the
couple of lines of code that does not do as you expect and no doubt
someone will help.

Colin

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