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# frozen_string_literal: true
# Entry point of the BulkImport feature.
# This service receives a Gitlab Instance connection params
# and a list of groups to be imported.
#
# Process topography:
#
# sync | async
# |
# User +--> P1 +----> Pn +---+
# | ^ | Enqueue new job
# | +-----+
#
# P1 (sync)
#
# - Create a BulkImport record
# - Create a BulkImport::Entity for each group to be imported
# - Enqueue a BulkImportWorker job (P2) to import the given groups (entities)
#
# Pn (async)
#
# - For each group to be imported (BulkImport::Entity.with_status(:created))
# - Import the group data
# - Create entities for each subgroup of the imported group
# - Enqueue a BulkImportService job (Pn) to import the new entities (subgroups)
#
class BulkImportService
attr_reader :current_user, :params, :credentials
def initialize(current_user, params, credentials)
@current_user = current_user
@params = params
@credentials = credentials
end
def execute
bulk_import = create_bulk_import
BulkImportWorker.perform_async(bulk_import.id)
end
private
def create_bulk_import
BulkImport.transaction do
bulk_import = BulkImport.create!(user: current_user, source_type: 'gitlab')
bulk_import.create_configuration!(credentials.slice(:url, :access_token))
params.each do |entity|
BulkImports::Entity.create!(
bulk_import: bulk_import,
source_type: entity[:source_type],
source_full_path: entity[:source_full_path],
destination_name: entity[:destination_name],
destination_namespace: entity[:destination_namespace]
)
end
bulk_import
end
end
end
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