Add latest changes from gitlab-org/gitlab@master

5 files changed, 151 insertions, 0 deletions

diff --git a/lib/gitlab/slash_commands/command.rb b/lib/gitlab/slash_commands/command.rb
index 079b5916566..239479f99d2 100644
--- a/lib/gitlab/slash_commands/command.rb
+++ b/lib/gitlab/slash_commands/command.rb
@@ -10,6 +10,7 @@ module Gitlab
           Gitlab::SlashCommands::IssueSearch,
           Gitlab::SlashCommands::IssueMove,
           Gitlab::SlashCommands::IssueClose,
+          Gitlab::SlashCommands::IssueComment,
           Gitlab::SlashCommands::Deploy,
           Gitlab::SlashCommands::Run
         ]
diff --git a/lib/gitlab/slash_commands/issue_comment.rb b/lib/gitlab/slash_commands/issue_comment.rb
new file mode 100644
index 00000000000..cbb9c41aab0
--- /dev/null
+++ b/lib/gitlab/slash_commands/issue_comment.rb
@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module SlashCommands
+    class IssueComment < IssueCommand
+      def self.match(text)
+        /\Aissue\s+comment\s+#{Issue.reference_prefix}?(?<iid>\d+)\n*(?<note_body>(.|\n)*)/.match(text)
+      end
+
+      def self.help_message
+        'issue comment <id> *`⇧ Shift`*+*`↵ Enter`* <comment>'
+      end
+
+      def execute(match)
+        note_body = match[:note_body].to_s.strip
+        issue = find_by_iid(match[:iid])
+
+        return not_found unless issue
+        return access_denied unless can_create_note?(issue)
+
+        note = create_note(issue: issue, note: note_body)
+
+        if note.persisted?
+          presenter(note).present
+        else
+          presenter(note).display_errors
+        end
+      end
+
+      private
+
+      def can_create_note?(issue)
+        Ability.allowed?(current_user, :create_note, issue)
+      end
+
+      def not_found
+        Gitlab::SlashCommands::Presenters::Access.new.not_found
+      end
+
+      def access_denied
+        Gitlab::SlashCommands::Presenters::Access.new.generic_access_denied
+      end
+
+      def create_note(issue:, note:)
+        note_params = { noteable: issue, note: note }
+
+        Notes::CreateService.new(project, current_user, note_params).execute
+      end
+
+      def presenter(note)
+        Gitlab::SlashCommands::Presenters::IssueComment.new(note)
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/slash_commands/presenters/access.rb b/lib/gitlab/slash_commands/presenters/access.rb
index 9ce1bcfb37c..fbc3cf2e049 100644
--- a/lib/gitlab/slash_commands/presenters/access.rb
+++ b/lib/gitlab/slash_commands/presenters/access.rb
@@ -15,6 +15,10 @@ module Gitlab
           MESSAGE
         end
 
+        def generic_access_denied
+          ephemeral_response(text: 'You are not allowed to perform the given chatops command.')
+        end
+
         def deactivated
           ephemeral_response(text: <<~MESSAGE)
             You are not allowed to perform the given chatops command since
diff --git a/lib/gitlab/slash_commands/presenters/issue_comment.rb b/lib/gitlab/slash_commands/presenters/issue_comment.rb
new file mode 100644
index 00000000000..cce71e23b21
--- /dev/null
+++ b/lib/gitlab/slash_commands/presenters/issue_comment.rb
@@ -0,0 +1,43 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module SlashCommands
+    module Presenters
+      class IssueComment < Presenters::Base
+        include Presenters::NoteBase
+
+        def present
+          ephemeral_response(new_note)
+        end
+
+        private
+
+        def new_note
+          {
+            attachments: [
+              {
+                title:        "#{issue.title} · #{issue.to_reference}",
+                title_link:   resource_url,
+                author_name:  author.name,
+                author_icon:  author.avatar_url,
+                fallback:     "New comment on #{issue.to_reference}: #{issue.title}",
+                pretext:      pretext,
+                color:        color,
+                fields:       fields,
+                mrkdwn_in: [
+                  :title,
+                  :pretext,
+                  :fields
+                ]
+              }
+            ]
+          }
+        end
+
+        def pretext
+          "I commented on an issue on #{author_profile_link}'s behalf: *#{issue.to_reference}* in #{project_link}"
+        end
+      end
+    end
+  end
+end
diff --git a/lib/gitlab/slash_commands/presenters/note_base.rb b/lib/gitlab/slash_commands/presenters/note_base.rb
new file mode 100644
index 00000000000..7758fc740de
--- /dev/null
+++ b/lib/gitlab/slash_commands/presenters/note_base.rb
@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+module Gitlab
+  module SlashCommands
+    module Presenters
+      module NoteBase
+        GREEN = '#38ae67'
+
+        def color
+          GREEN
+        end
+
+        def issue
+          resource.noteable
+        end
+
+        def project
+          issue.project
+        end
+
+        def project_link
+          "[#{project.full_name}](#{project.web_url})"
+        end
+
+        def author
+          resource.author
+        end
+
+        def author_profile_link
+          "[#{author.to_reference}](#{url_for(author)})"
+        end
+
+        def fields
+          [
+            {
+              title: 'Comment',
+              value: resource.note
+            }
+          ]
+        end
+
+        private
+
+        attr_reader :resource
+      end
+    end
+  end
+end