Added blog post commenting

1 files changed, 59 insertions, 0 deletions

@@ -0,0 +1,59 @@
+class CommentsController < ApplicationController
+  def create
+    @blog = Blog.find_by_slug(params[:slug])
+
+    raise ActiveRecord::RecordNotFound unless @blog
+    raise ActiveRecord::RecordNotFound unless @blog.published
+
+    @comment = @blog.comments.new(comment_params)
+
+    unless @comment.valid?
+      flash.alert = "Error posting comment."
+      render "blogs/show"
+      return
+    end
+
+    akismet_vars = %w{ HTTP_ACCEPT HTTP_ACCEPT_ENCODING }
+    akismet_params = {
+      type: "comment",
+      text: @comment.body,
+      created_at: DateTime.now,
+      author: @comment.username,
+      author_email: @comment.email,
+      author_url: @comment.website,
+      post_url: url_for(@comment.blog),
+      post_modified_at: @comment.blog.updated_at,
+      referrer: request.referrer,
+      env: request.env.slice(*akismet_vars)
+    }
+
+    is_spam, is_blatant = Akismet.check(request.ip, request.user_agent, akismet_params)
+
+    if is_blatant
+      # I am lying.
+      flash.notice = "Comment submitted successfully! It will need to be moderated before it shows up on the blog."
+    else
+      if is_spam
+        @comment.status = :pending
+        flash_message = "Comment submitted successfully! It will need to be moderated before it shows up on the blog."
+      else
+        @comment.status = :published
+        flash_message = "Comment posted successfully!"
+      end
+
+      if @comment.save
+        flash.notice = flash_message
+      else
+        flash.alert = "Error posting comment."
+      end
+    end
+
+    redirect_to @comment.blog
+  end
+
+  private
+
+    def comment_params
+      params.require(:comment).permit(:username, :email, :website, :body)
+    end
+end