add simple blog controller

This commit is contained in:
Torsten Ruger 2018-04-10 19:11:33 +03:00
parent 5950fac3ce
commit 4b927c4f29
5 changed files with 248 additions and 0 deletions

90
.gitignore vendored
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@ -2,3 +2,93 @@ _site
.sass-cache .sass-cache
.jekyll-metadata .jekyll-metadata
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*~
app/views/blog/_2017-2-2-The-Distraction-Free-Path-to-Becoming-a-Professional-Programmer.haml

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@ -0,0 +1,19 @@
class BlogController < ApplicationController
def index
@pages = Page.pages
end
def page
title = params[:title]
return redirect_to(root_path) unless title
@page = get_page(title)
return redirect_to(root_path) unless @page
end
def get_page(title)
page = Page.pages[title]
#puts "No #{title} in #{Page.pages.keys.join(':')}"
page
end
end

54
app/models/post.rb Normal file
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class Post
@@posts = nil
attr_reader :year , :month , :day , :dir , :ext
def initialize(path)
@dir = File.dirname(path)
base , @ext = File.basename(path).split(".")
raise "must be partial, statr with _ not:#{base}" unless base[0] == "_"
@words = base.split("-")
@year = parse_int(@words.shift[1 .. -1] , 2100)
@day = parse_int(@words.shift , 32)
@month = parse_int(@words.shift , 12)
raise "Invalid path #{path}" unless @words
end
def slug
@words.join("-").downcase
end
def title
@words.join(" ")
end
def template_name
"#{date}-#{@words.join("-")}"
end
def date
"#{year}-#{day}-#{month}"
end
def parse_int( value , max)
ret = value.to_i
raise "invalid value #{value} > #{max}" if ret > max or ret < 1
ret
end
def content
File.open("#{@dir}/_#{template_name}.#{ext}" ).read
end
def summary
ret = content.split("%h2").first.gsub("%p", "<br/>").html_safe
ret[0 .. 400]
end
def self.posts
return @@posts if @@posts
@@posts ={}
Dir["#{self.blog_path}/_2*.haml"].reverse.each do |file|
post = Post.new(file)
@@posts[post.slug] = post
end
@@posts
end
def self.blog_path
Rails.configuration.blog_path
end
end

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@ -15,5 +15,8 @@ module RubyxWebpage
# Application configuration can go into files in config/initializers # Application configuration can go into files in config/initializers
# -- all .rb files in that directory are automatically loaded after loading # -- all .rb files in that directory are automatically loaded after loading
# the framework and any gems in your application. # the framework and any gems in your application.
config.assets.paths << Gem.loaded_specs['susy'].full_gem_path+'/sass'
config.blog_path = Rails.root.to_s + "/app/views/posts"
end end
end end

82
spec/models/blog_spec.rb Normal file
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require 'rails_helper'
RSpec.describe Post, type: :model do
describe "creation" do
it "ok with valid slug" do
post = Post.new("_1993-2-4-title")
expect(post).not_to eq nil
end
it "raises with invalid slug" do
expect{Post.new("_1993-4-title")}.to raise_error RuntimeError
end
it "must start with a year" do
expect{Post.new("_no-num-4-title")}.to raise_error RuntimeError
end
it "must start with a underscore" do
expect{Post.new("_no-num-4-title")}.to raise_error RuntimeError
end
end
describe "basic api" do
before :each do
@post = Post.new("_1993-2-4-title")
end
it "returns title" do
expect(@post.title).to eq "title"
end
it "returns dates" do
expect(@post.year).to eq 1993
expect(@post.month).to eq 4
expect(@post.day).to eq 2
end
it "returns date" do
expect(@post.date).to eq "1993-2-4"
end
it "returns file_name" do
expect(@post.template_name).to eq "1993-2-4-title"
end
end
describe "precise api definition" do
it "returns whole title" do
post = Post.new("_1993-2-4-Multi-word-title")
expect(post.title).to eq "Multi word title"
end
it "returns slug" do
post = Post.new("_1993-2-4-Multi-word-title")
expect(post.slug).to eq "multi-word-title"
end
it "returns title without extension if given file name" do
post = Post.new("_1993-2-4-title.rb")
expect(post.title).to eq "title"
end
it 'slugs are downcase' do
post = Post.new("_1993-2-4-Multi-word-title")
slug = post.slug
expect(slug.downcase).to eq slug
end
end
describe "post list" do
before :each do
@posts = Post.posts
@first = @posts.values.first
end
it "reads config path" do
expect(Post.blog_path.include?("app")).to eq true
end
it "first post has content" do
expect(@posts.values.first).not_to be_nil
expect(@posts.values.first.content.length).to be > 10
end
it "return a list of posts" do
expect(@posts.class).to eq Hash
expect(@posts.length).to be > 0
end
it "post template exists" do
file = Post.blog_path + "/_" + @first.template_name + ".haml"
expect(File.exists?(file)).to eq true
end
end
end