debian-mirror-gitlab/lib/gitlab/chat/command.rb

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2019-07-07 11:18:12 +05:30
# frozen_string_literal: true
module Gitlab
module Chat
# Class for scheduling chat pipelines.
#
# A Command takes care of creating a `Ci::Pipeline` with all the data
# necessary to execute a chat command. This includes data such as the chat
# data (e.g. the response URL) and any environment variables that should be
# exposed to the chat command.
class Command
include Utils::StrongMemoize
attr_reader :project, :chat_name, :name, :arguments, :response_url,
:channel
# project - The Project to schedule the command for.
# chat_name - The ChatName belonging to the user that scheduled the
# command.
# name - The name of the chat command to run.
# arguments - The arguments (as a String) to pass to the command.
# channel - The channel the message was sent from.
# response_url - The URL to send the response back to.
def initialize(project:, chat_name:, name:, arguments:, channel:, response_url:)
@project = project
@chat_name = chat_name
@name = name
@arguments = arguments
@channel = channel
@response_url = response_url
end
# Tries to create a new pipeline.
#
# This method will return a pipeline that _may_ be persisted, or `nil` if
# the pipeline could not be created.
def try_create_pipeline
return unless valid?
create_pipeline
end
def create_pipeline
service = ::Ci::CreatePipelineService.new(
project,
chat_name.user,
ref: branch,
sha: commit,
chat_data: {
chat_name_id: chat_name.id,
command: name,
arguments: arguments,
response_url: response_url
}
)
service.execute(:chat) do |pipeline|
build_environment_variables(pipeline)
build_chat_data(pipeline)
end
end
# pipeline - The `Ci::Pipeline` to create the environment variables for.
def build_environment_variables(pipeline)
pipeline.variables.build(
[{ key: 'CHAT_INPUT', value: arguments },
{ key: 'CHAT_CHANNEL', value: channel }]
)
end
# pipeline - The `Ci::Pipeline` to create the chat data for.
def build_chat_data(pipeline)
pipeline.build_chat_data(
chat_name_id: chat_name.id,
response_url: response_url
)
end
def valid?
branch && commit
end
def branch
strong_memoize(:branch) { project.default_branch }
end
def commit
strong_memoize(:commit) do
project.commit(branch)&.id if branch
end
end
end
end
end