#63 badges

front/front_project.rb

@@ -42,8 +42,14 @@
   flash(iri.cut('/p').append(project.id), "The review ##{review.id} in the project ##{project.id} removed")
 end
 
-post '/do-review' do
-  project = the_author.projects.get(params[:project].to_i)
+post '/p/{id}/post' do
+  project = the_author.projects.get(params[:id].to_i)
   review = project.reviews.post(params[:text].strip)
   flash(iri.cut('/p').append(project.id), "A new review ##{review.id} has been posted to the project ##{project.id}")
 end
+
+post '/p/{id}/attach' do
+  project = the_author.projects.get(params[:id].to_i)
+  badge = project.badges.attach(params[:text].strip)
+  flash(iri.cut('/p').append(project.id), "A new badge ##{badge.id} has been attached to the project ##{project.id}")
+end

liquibase/2020/004-unique-badge.xml

@@ -0,0 +1,31 @@
+<?xml version="1.0"?>
+<!--
+(The MIT License)
+
+Copyright (c) 2020 Yegor Bugayenko
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the 'Software'), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+-->
+<databaseChangeLog xmlns="http://www.liquibase.org/xml/ns/dbchangelog" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.liquibase.org/xml/ns/dbchangelog http://www.liquibase.org/xml/ns/dbchangelog/dbchangelog-2.0.xsd" logicalFilePath="001-initial-schema.xml">
+  <changeSet id="004" author="yegor256">
+    <sql>
+      ALTER TABLE badge ADD CONSTRAINT unique_badge UNIQUE(project, text);
+    </sql>
+  </changeSet>
+</databaseChangeLog>

objects/badge.rb

@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+# Copyright (c) 2020 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the 'Software'), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require_relative 'xia'
+
+# Badges.
+# Author:: Yegor Bugayenko (yegor256@gmail.com)
+# Copyright:: Copyright (c) 2020 Yegor Bugayenko
+# License:: MIT
+class Xia::Badge
+  attr_reader :id
+
+  def initialize(pgsql, project, id)
+    @pgsql = pgsql
+    @project = project
+    @id = id
+  end
+
+  def detach
+    raise Xia::Urror, 'Not enough karma to detach a badge' unless @project.author.karma.positive?
+    raise Xia::Urror, 'Can\'t delete the last badge' if @project.badges.all.count < 2
+    @pgsql.exec('DELETE FROM badge WHERE id=$1', [@id])
+  end
+end

objects/badges.rb

@@ -0,0 +1,53 @@
+# frozen_string_literal: true
+
+# Copyright (c) 2020 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the 'Software'), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require_relative 'xia'
+require_relative 'badge'
+
+# Badges.
+# Author:: Yegor Bugayenko (yegor256@gmail.com)
+# Copyright:: Copyright (c) 2020 Yegor Bugayenko
+# License:: MIT
+class Xia::Badges
+  def initialize(pgsql, project)
+    @pgsql = pgsql
+    @project = project
+  end
+
+  def get(id)
+    Xia::Badge.new(@pgsql, @project, id)
+  end
+
+  def all
+    @pgsql.exec('SELECT text FROM badge WHERE project=$1', [@project.id]).map { |r| r['text'] }
+  end
+
+  def attach(text)
+    raise Xia::Urror, 'Not enough karma to attach a badge' unless @project.author.karma.positive?
+    raise Xia::Urror, "The badge #{text.inspect} looks wrong" unless /^[a-z0-9]+$/.match?(text)
+    id = @pgsql.exec(
+      'INSERT INTO badge (project, text) VALUES ($1, $2) RETURNING id',
+      [@project.id, text]
+    )[0]['id'].to_i
+    get(id)
+  end
+end

objects/project.rb

@@ -22,6 +22,7 @@
 
 require_relative 'xia'
 require_relative 'reviews'
+require_relative 'badges'
 
 # Project.
 # Author:: Yegor Bugayenko (yegor256@gmail.com)
@@ -45,6 +46,10 @@ def reviews
     Xia::Reviews.new(@pgsql, self)
   end
 
+  def badges
+    Xia::Badges.new(@pgsql, self)
+  end
+
   def delete
     raise Xia::Urror, 'Not enough karma to delete a project' if @author.karma < 500
     @pgsql.exec(

objects/projects.rb

@@ -43,23 +43,27 @@ def submit(platform, coordinates)
       'INSERT INTO project (platform, coordinates, author) VALUES ($1, $2, $3) RETURNING id',
       [platform, coordinates, @author.id]
     )[0]['id'].to_i
-    get(id)
+    project = get(id)
+    project.badges.attach('newbie')
+    project
   end
 
   def recent(limit: 10)
     q = [
-      'SELECT project.*, author.login',
-      'FROM project',
-      'JOIN author ON author.id=project.author',
-      'WHERE project.deleted IS NULL',
-      'ORDER BY project.created DESC',
+      'SELECT p.*, author.login,',
+      'ARRAY(SELECT text FROM badge WHERE project=p.id) as badges',
+      'FROM project AS p',
+      'JOIN author ON author.id=p.author',
+      'WHERE p.deleted IS NULL',
+      'ORDER BY p.created DESC',
       'LIMIT $1'
     ].join(' ')
     @pgsql.exec(q, [limit]).map do |r|
       {
         id: r['id'].to_i,
         coordinates: r['coordinates'],
         author: r['login'],
+        badges: r['badges'][1..-2].split(','),
         created: Time.parse(r['created'])
       }
     end

objects/reviews.rb

@@ -39,6 +39,7 @@ def get(id)
 
   def post(text)
     raise Xia::Urror, 'Not enough karma to post a review' unless @project.author.karma.positive?
+    raise Xia::Urror, 'The review is too short' if text.length < 100
     id = @pgsql.exec(
       'INSERT INTO review (project, author, text) VALUES ($1, $2, $3) RETURNING id',
       [@project.id, @project.author.id, text]

test/test_badges.rb

@@ -0,0 +1,41 @@
+# frozen_string_literal: true
+
+# Copyright (c) 2020 Yegor Bugayenko
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the 'Software'), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in all
+# copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED 'AS IS', WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+# SOFTWARE.
+
+require 'minitest/autorun'
+require_relative 'test__helper'
+require_relative '../objects/xia'
+require_relative '../objects/authors'
+
+class Xia::BadgesTest < Minitest::Test
+  def test_attaches_badge
+    author = Xia::Authors.new(t_pgsql).named('yegor256')
+    projects = author.projects
+    project = projects.submit('github', "yegor256/takes#{rand(999)}")
+    badges = project.badges
+    text = 'jey'
+    badge = badges.attach(text)
+    assert_equal(2, badges.all.size)
+    assert(badges.all.include?(text))
+    assert(!badge.id.nil?)
+    badge.detach
+  end
+end

test/test_projects.rb

@@ -34,4 +34,15 @@ def test_submits_project
     assert(!project.id.nil?)
     assert(!projects.recent.empty?)
   end
+
+  def test_adds_badges_and_fetches_them
+    author = Xia::Authors.new(t_pgsql).named('yegor256')
+    projects = author.projects
+    project = projects.submit('github', "yegor256/takes#{rand(999)}")
+    badge = 'hello'
+    project.badges.attach(badge)
+    project.badges.attach('something')
+    assert(projects.recent[0][:badges].is_a?(Array))
+    assert(projects.recent[0][:badges].include?(badge))
+  end
 end

test/test_reviews.rb

@@ -31,7 +31,9 @@ def test_submits_review
     projects = author.projects
     project = projects.submit('github', "yegor256/takes#{rand(999)}")
     reviews = project.reviews
-    review = reviews.post('How are you?')
+    review = reviews.post(
+      'How are you? This is a nice long review to pass all possible quality checks of ours. Don\'t make it shorter.'
+    )
     assert(!review.id.nil?)
     assert(!reviews.recent.empty?)
   end

views/project.haml

@@ -4,6 +4,16 @@
   %a{href: "https://github.com/#{project.coordinates}"}
     %img{src: iri.cut('/github-logo.svg'), style: 'vertical-align: middle; width: 1em;'}
 
+%p
+  - project.badges.all.each do |b|
+    %kbd
+      &= b
+
+- if the_author.karma >= 500
+  %form{action: iri.cut('/p').append(project.id).append('attach'), method: 'POST'}
+    %input{type: 'text', name: 'text', size: 25, placeholder: 'attach a new badge...'}
+    %button{type: 'submit'} Attach
+
 - reviews.each do |r|
   %p
     %span.smaller.gray
@@ -19,9 +29,8 @@
     &= r[:text].gsub('\n\n', '<br/><br/>')
 
 - if the_author.karma >= 50
-  %form{action: iri.cut('/do-review'), method: 'POST'}
+  %form{action: iri.cut('/p').append(project.id).append('post'), method: 'POST'}
     %fieldset
-      %input{type: 'hidden', name: 'project', value: project.id}
       %label What do you think about it?
       %textarea{name: 'text', style: 'width: 100%; height: 8em;'}
       %button{type: 'submit'} Post

views/recent.haml

@@ -3,6 +3,10 @@
     %a{href: iri.cut('/p').append(p[:id])}
       &= p[:coordinates]
     %br
+    - p[:badges].each do |b|
+      %kbd
+        &= b
+    %br
     %span.smaller.gray
       %span.item
         %img{src: "https://socatar.com/github/#{p[:author]}/192-192", style: 'height: 1em; width: 1em; vertical-align: middle;'}