scinote-web/app/utilities/protocols_exporter.rb

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2016-07-21 19:11:15 +08:00
module ProtocolsExporter
def export_protocols(protocols)
protocols_json = []
protocols.each do |protocol|
protocols_json << export_protocol(protocol)
end
return protocols_json
end
private
def export_protocol(protocol)
protocol_json = protocol.as_json(only: [
:id,
:name,
:description,
:authors,
:created_at,
:updated_at
])
# "Inject" module's name
if protocol.in_module? && protocol.name.blank?
protocol_json["name"] = protocol.my_module.name
end
protocol_json["steps"] = []
protocol.steps.find_each do |step|
step_json = step.as_json(only: [
:id,
:name,
:description,
:position
])
step_json["tables"] = []
step.tables.find_each do |table|
table_json = table.as_json(only: [ :id ])
table_json["contents"] = table.contents.unpack("H*")[0]
step_json["tables"] << table_json
end
step_json["assets"] = []
step.assets.find_each do |asset|
asset_json = asset.as_json(only: [
:id,
:file_file_name,
:file_content_type
])
asset_json["fileName"] = asset_json.delete("file_file_name")
asset_json["fileType"] = asset_json.delete("file_content_type")
# Retrieve file contents
file = asset.open
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asset_json["bytes"] = Base64.encode64(file.read)
file.close
step_json["assets"] << asset_json
end
step_json["checklists"] = []
step.checklists.find_each do |checklist|
checklist_json = checklist.as_json(only: [
:id,
:name
])
checklist_json["items"] = []
checklist.checklist_items.find_each do |item|
item_json = item.as_json(only: [
:id,
:text,
:position
])
checklist_json["items"] << item_json
end
step_json["checklists"] << checklist_json
end
protocol_json["steps"] << step_json
end
return protocol_json
end
end