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module Files
class BaseService < ::BaseService
class ValidationError < StandardError; end
def execute
@current_branch = params[:current_branch]
@target_branch = params[:target_branch]
@commit_message = params[:commit_message]
@file_path = params[:file_path]
@file_content = if params[:file_content_encoding] == 'base64'
Base64.decode64(params[:file_content])
else
params[:file_content]
end
# Validate parameters
validate
# Create new branch if it different from current_branch
if @target_branch != @current_branch
create_target_branch
end
if commit
success
else
error("Something went wrong. Your changes were not committed")
end
rescue Repository::CommitError, Repository::PreReceiveError, ValidationError => ex
error(ex.message)
end
private
def current_branch
@current_branch ||= params[:current_branch]
end
def target_branch
@target_branch ||= params[:target_branch]
end
def raise_error(message)
raise ValidationError.new(message)
end
def validate
allowed = ::Gitlab::GitAccess.new(current_user, project).can_push_to_branch?(@target_branch)
unless allowed
raise_error("You are not allowed to push into this branch")
end
unless project.empty_repo?
unless repository.branch_names.include?(@current_branch)
raise_error("You can only create files if you are on top of a branch")
end
if @current_branch != @target_branch
if repository.branch_names.include?(@target_branch)
raise_error("Branch with such name already exists. You need to switch to this branch in order to make changes")
end
end
end
end
def create_target_branch
result = CreateBranchService.new(project, current_user).execute(@target_branch, @current_branch)
unless result[:status] == :success
raise_error("Something went wrong when we tried to create #{@target_branch} for you")
end
end
end
end