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# frozen_string_literal: true
require 'httparty'
require 'json'
module Gitlab
module Housekeeper
class GitlabClient
Error = Class.new(StandardError)
def initialize
@token = ENV.fetch("HOUSEKEEPER_GITLAB_API_TOKEN")
@base_uri = 'https://gitlab.com/api/v4'
end
def create_or_update_merge_request(
source_project_id:,
title:,
description:,
source_branch:,
target_branch:,
target_project_id:
)
existing_iid = get_existing_merge_request(
source_project_id: source_project_id,
source_branch: source_branch,
target_branch: target_branch,
target_project_id: target_project_id
)
if existing_iid
update_existing_merge_request(
existing_iid: existing_iid,
title: title,
description: description,
target_project_id: target_project_id
)
else
create_merge_request(
source_project_id: source_project_id,
title: title,
description: description,
source_branch: source_branch,
target_branch: target_branch,
target_project_id: target_project_id
)
end
end
private
def get_existing_merge_request(source_project_id:, source_branch:, target_branch:, target_project_id:)
response = HTTParty.get("#{@base_uri}/projects/#{target_project_id}/merge_requests",
query: {
state: :opened,
source_branch: source_branch,
target_branch: target_branch,
source_project_id: source_project_id
},
headers: {
'Private-Token' => @token
})
unless (200..299).cover?(response.code)
raise Error,
"Failed with response code: #{response.code} and body:\n#{response.body}"
end
data = JSON.parse(response.body)
return nil if data.empty?
iids = data.pluck('iid')
raise Error, "More than one matching MR exists: iids: #{iids.join(',')}" unless data.size == 1
iids.first
end
def create_merge_request(
source_project_id:, title:, description:, source_branch:, target_branch:,
target_project_id:)
response = HTTParty.post("#{@base_uri}/projects/#{source_project_id}/merge_requests", body: {
title: title,
description: description,
source_branch: source_branch,
target_branch: target_branch,
target_project_id: target_project_id
}.to_json,
headers: {
'Private-Token' => @token,
'Content-Type' => 'application/json'
})
return if (200..299).cover?(response.code)
raise Error,
"Failed with response code: #{response.code} and body:\n#{response.body}"
end
def update_existing_merge_request(existing_iid:, title:, description:, target_project_id:)
response = HTTParty.put("#{@base_uri}/projects/#{target_project_id}/merge_requests/#{existing_iid}", body: {
title: title,
description: description
}.to_json,
headers: {
'Private-Token' => @token,
'Content-Type' => 'application/json'
})
return if (200..299).cover?(response.code)
raise Error,
"Failed with response code: #{response.code} and body:\n#{response.body}"
end
end
end
end
|
