Adding links to user & build in Chat Notifications

app/models/project_services/chat_message/base_message.rb

@@ -30,5 +30,9 @@ module ChatMessage
     def attachment_color
       '#345'
     end
+
+    def link(text, url)
+      "[#{text}](#{url})"
+    end
   end
 end

app/models/project_services/chat_message/build_message.rb

@@ -7,7 +7,11 @@ module ChatMessage
     attr_reader :project_name
     attr_reader :project_url
     attr_reader :user_name
+    attr_reader :user_url
     attr_reader :duration
+    attr_reader :stage
+    attr_reader :build_id
+    attr_reader :build_name
 
     def initialize(params)
       @sha = params[:sha]
@@ -17,7 +21,11 @@ module ChatMessage
       @project_url = params[:project_url]
       @status = params[:commit][:status]
       @user_name = params[:commit][:author_name]
+      @user_url = params[:commit][:author_url]
       @duration = params[:commit][:duration]
+      @stage = params[:build_stage]
+      @build_name = params[:build_name]
+      @build_id = params[:build_id]
     end
 
     def pretext
@@ -35,7 +43,19 @@ module ChatMessage
     private
 
     def message
-      "#{project_link}: Commit #{commit_link} of #{branch_link} #{ref_type} by #{user_name} #{humanized_status} in #{duration} #{'second'.pluralize(duration)}"
+      "#{project_link}: Commit #{commit_link} of #{branch_link} #{ref_type} by #{user_link} #{humanized_status} on build #{build_link} of stage #{stage} in #{duration} #{'second'.pluralize(duration)}"
+    end
+
+    def build_url
+      "#{project_url}/builds/#{build_id}"
+    end
+
+    def build_link
+      link(build_name, build_url)
+    end
+
+    def user_link
+      link(user_name, user_url)
     end
 
     def format(string)
@@ -64,11 +84,11 @@ module ChatMessage
     end
 
     def branch_link
-      "[#{ref}](#{branch_url})"
+      link(ref, branch_url)
     end
 
     def project_link
-      "[#{project_name}](#{project_url})"
+      link(project_name, project_url)
     end
 
     def commit_url
@@ -76,7 +96,7 @@ module ChatMessage
     end
 
     def commit_link
-      "[#{Commit.truncate_sha(sha)}](#{commit_url})"
+      link(Commit.truncate_sha(sha), commit_url)
     end
   end
 end

app/models/project_services/chat_message/issue_message.rb

@@ -55,11 +55,11 @@ module ChatMessage
     end
 
     def project_link
-      "[#{project_name}](#{project_url})"
+      link(project_name, project_url)
     end
 
     def issue_link
-      "[#{issue_title}](#{issue_url})"
+      link(issue_title, issue_url)
     end
 
     def issue_title

app/models/project_services/chat_message/merge_message.rb

@@ -42,7 +42,7 @@ module ChatMessage
     end
 
     def project_link
-      "[#{project_name}](#{project_url})"
+      link(project_name, project_url)
     end
 
     def merge_request_message
@@ -50,7 +50,7 @@ module ChatMessage
     end
 
     def merge_request_link
-      "[merge request !#{merge_request_id}](#{merge_request_url})"
+      link("merge request !#{merge_request_id}", merge_request_url)
     end
 
     def merge_request_url

app/models/project_services/chat_message/note_message.rb

@@ -3,10 +3,9 @@ module ChatMessage
     attr_reader :message
     attr_reader :user_name
     attr_reader :project_name
-    attr_reader :project_link
+    attr_reader :project_url
     attr_reader :note
     attr_reader :note_url
-    attr_reader :title
 
     def initialize(params)
       params = HashWithIndifferentAccess.new(params)
@@ -69,15 +68,15 @@ module ChatMessage
     end
 
     def description_message
-      [{ text: format(@note), color: attachment_color }]
+      [{ text: format(note), color: attachment_color }]
     end
 
     def project_link
-      "[#{@project_name}](#{@project_url})"
+      link(project_name, project_url)
     end
 
     def commented_on_message(target, title)
-      @message = "#{@user_name} [commented on #{target}](#{@note_url}) in #{project_link}: *#{title}*"
+      @message = "#{user_name} #{link('commented on ' + target, note_url)} in #{project_link}: *#{title}*"
     end
   end
 end

changelogs/unreleased/26500-informative-slack-notifications.yml

@@ -0,0 +1,4 @@
+---
+title: Add user & build links in Slack Notifications
+merge_request: 8641
+author: Poornima M

lib/gitlab/data_builder/build.rb

@@ -8,6 +8,8 @@ module Gitlab
         commit = build.pipeline
         user = build.user
 
+        author_url = build_author_url(build.commit, commit)
+
         data = {
           object_kind: 'build',
 
@@ -43,6 +45,7 @@ module Gitlab
             message: commit.git_commit_message,
             author_name: commit.git_author_name,
             author_email: commit.git_author_email,
+            author_url: author_url,
             status: commit.status,
             duration: commit.duration,
             started_at: commit.started_at,
@@ -62,6 +65,13 @@ module Gitlab
 
         data
       end
+
+      private
+
+      def build_author_url(commit, pipeline)
+        author = commit.try(:author)
+        author ? Gitlab::Routing.url_helpers.user_url(author) : "mailto:#{pipeline.git_author_email}"
+      end
     end
   end
 end

spec/factories/ci/builds.rb

@@ -128,5 +128,17 @@ FactoryGirl.define do
         build.save!
       end
     end
+
+    trait :with_commit do
+      after(:build) do |build|
+        allow(build).to receive(:commit).and_return build(:commit, :without_author)
+      end
+    end
+
+    trait :with_commit_and_author do
+      after(:build) do |build|
+        allow(build).to receive(:commit).and_return build(:commit)
+      end
+    end
   end
 end

spec/factories/commits.rb

@@ -8,5 +8,15 @@ FactoryGirl.define do
     initialize_with do
       new(git_commit, project)
     end
+
+    after(:build) do |commit|
+      allow(commit).to receive(:author).and_return build(:author)
+    end
+
+    trait :without_author do
+      after(:build) do |commit|
+        allow(commit).to receive(:author).and_return nil
+      end
+    end
   end
 end

spec/lib/gitlab/data_builder/build_spec.rb

@@ -17,5 +17,31 @@ describe Gitlab::DataBuilder::Build do
     it { expect(data[:build_allow_failure]).to eq(false) }
     it { expect(data[:project_id]).to eq(build.project.id) }
     it { expect(data[:project_name]).to eq(build.project.name_with_namespace) }
+
+    context 'commit author_url' do
+      context 'when no commit present' do
+        let(:build) { create(:ci_build) }
+
+        it 'sets to mailing address of git_author_email' do
+          expect(data[:commit][:author_url]).to eq("mailto:#{build.pipeline.git_author_email}")
+        end
+      end
+
+      context 'when commit present but has no author' do
+        let(:build) { create(:ci_build, :with_commit) }
+
+        it 'sets to mailing address of git_author_email' do
+          expect(data[:commit][:author_url]).to eq("mailto:#{build.pipeline.git_author_email}")
+        end
+      end
+
+      context 'when commit and author are present' do
+        let(:build) { create(:ci_build, :with_commit_and_author) }
+
+        it 'sets to GitLab user url' do
+          expect(data[:commit][:author_url]).to eq(Gitlab::Routing.url_helpers.user_url(username: build.commit.author.username))
+        end
+      end
+    end
   end
 end

spec/models/project_services/chat_message/build_message_spec.rb

@@ -11,21 +11,28 @@ describe ChatMessage::BuildMessage do
 
       project_name: 'project_name',
       project_url: 'http://example.gitlab.com',
+      build_id: 1,
+      build_name: build_name,
+      build_stage: stage,
 
       commit: {
         status: status,
         author_name: 'hacker',
+        author_url: 'http://example.gitlab.com/hacker',
         duration: duration,
       },
     }
   end
 
   let(:message) { build_message }
+  let(:stage) { 'test' }
+  let(:status) { 'success' }
+  let(:build_name) { 'rspec' }
+  let(:duration) { 10 }
 
   context 'build succeeded' do
     let(:status) { 'success' }
     let(:color) { 'good' }
-    let(:duration) { 10 }
     let(:message) { build_message('passed') }
 
     it 'returns a message with information about succeeded build' do
@@ -38,7 +45,6 @@ describe ChatMessage::BuildMessage do
   context 'build failed' do
     let(:status) { 'failed' }
     let(:color) { 'danger' }
-    let(:duration) { 10 }
 
     it 'returns a message with information about failed build' do
       expect(subject.pretext).to be_empty
@@ -47,11 +53,25 @@ describe ChatMessage::BuildMessage do
     end
   end
 
-  def build_message(status_text = status)
+  it 'returns a message with information on build' do
+    expect(subject.fallback).to include("on build <http://example.gitlab.com/builds/1|#{build_name}>")
+  end
+
+  it 'returns a message with stage name' do
+    expect(subject.fallback).to include("of stage #{stage}")
+  end
+
+  it 'returns a message with link to author' do
+    expect(subject.fallback).to include("by <http://example.gitlab.com/hacker|hacker>")
+  end
+
+  def build_message(status_text = status, stage_text = stage, build_text = build_name)
     "<http://example.gitlab.com|project_name>:" \
     " Commit <http://example.gitlab.com/commit/" \
     "97de212e80737a608d939f648d959671fb0a0142/builds|97de212e>" \
     " of <http://example.gitlab.com/commits/develop|develop> branch" \
-    " by hacker #{status_text} in #{duration} #{'second'.pluralize(duration)}"
+    " by <http://example.gitlab.com/hacker|hacker> #{status_text}" \
+    " on build <http://example.gitlab.com/builds/1|#{build_text}>" \
+    " of stage #{stage_text} in #{duration} #{'second'.pluralize(duration)}"
   end
 end