Add CI PR testing

Add Danger

.travis.yml

@@ -4,9 +4,11 @@ rvm:
   - 2.3.3
 install:
   - bundle install
+  - gem install danger
 script:
   - bundle exec jekyll build
   - docker run --volume=$(pwd):/app --workdir=/app coala/base coala -C
+  - danger --verbose
 branches:
   only:
     - gh-pages  # Must be appear explicitly

Dangerfile

@@ -0,0 +1,14 @@
+# Message the user
+message "Hi @#{github.pr_author} thank you for your submission at Fossasia's GCI 2016 website. Please correct any issues below, if any."
+# Chech if a PR is mergeable and war if you have merge issues
+can_merge = github.pr_json["mergeable"]
+warn("This PR appears to have merge errors. Please check Contribuiting.md for help solving that.", sticky: false) unless can_merge
+# Check for PR description
+fail 'Please provide a summary in the Pull Request description, containing, at less, your live link.' if github.pr_body.length < 5
+# Warn if there is [WIP] in the title
+warn "PR is classed as Work in Progress" if github.pr_title.include? "[WIP]"
+# Check if user is a member of the FOSSASIA github org
+unless github.api.organization_member?('FOSSASIA', github.pr_author)
+  message "@#{github.pr_author} you don't appear to be in the FOSSASIA organization, you must fill in [this form](http://fossasia.org/apply-pupils) to be added."
+end
+fail 'Please add your live link to the PR body.' if !github.pr_body.include? 'http'

Gemfile

@@ -1,3 +1,4 @@
 source 'https://rubygems.org'
 gem 'github-pages'
 gem 'html-proofer'
+gem 'danger'