debian-mirror-gitlab/app/services/merge_requests/create_from_issue_service.rb

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# frozen_string_literal: true
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module MergeRequests
class CreateFromIssueService < MergeRequests::CreateService
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def initialize(project, user, params)
# branch - the name of new branch
# ref - the source of new branch.
@branch_name = params[:branch_name]
@issue_iid = params[:issue_iid]
@ref = params[:ref]
super(project, user)
end
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def execute
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return error('Invalid issue iid') unless @issue_iid.present? && issue.present?
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result = CreateBranchService.new(project, current_user).execute(branch_name, ref)
return result if result[:status] == :error
SystemNoteService.new_issue_branch(issue, project, current_user, branch_name)
new_merge_request = create(merge_request)
if new_merge_request.valid?
success(new_merge_request)
else
error(new_merge_request.errors)
end
end
private
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# rubocop: disable CodeReuse/ActiveRecord
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def issue
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@issue ||= IssuesFinder.new(current_user, project_id: project.id).find_by(iid: @issue_iid)
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end
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# rubocop: enable CodeReuse/ActiveRecord
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def branch_name
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@branch ||= @branch_name || issue.to_branch_name
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end
def ref
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return @ref if project.repository.branch_exists?(@ref)
project.default_branch || 'master'
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end
def merge_request
MergeRequests::BuildService.new(project, current_user, merge_request_params).execute
end
def merge_request_params
{
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issue_iid: @issue_iid,
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source_project_id: project.id,
source_branch: branch_name,
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target_project_id: project.id,
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target_branch: ref
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}
end
def success(merge_request)
super().merge(merge_request: merge_request)
end
end
end