84 lines
2.2 KiB
Ruby
84 lines
2.2 KiB
Ruby
class MapExportService < Struct.new(:user, :map)
|
|
def json
|
|
# marshal_dump turns OpenStruct into a Hash
|
|
{
|
|
topics: exportable_topics.map(&:marshal_dump),
|
|
synapses: exportable_synapses.map(&:marshal_dump)
|
|
}
|
|
end
|
|
|
|
def csv(options = {})
|
|
CSV.generate(options) do |csv|
|
|
to_spreadsheet.each do |line|
|
|
csv << line
|
|
end
|
|
end
|
|
end
|
|
|
|
def xls
|
|
to_spreadsheet
|
|
end
|
|
|
|
private
|
|
|
|
def topic_headings
|
|
[:id, :name, :metacode, :x, :y, :description, :link, :user, :permission]
|
|
end
|
|
def synapse_headings
|
|
[:topic1, :topic2, :category, :description, :user, :permission]
|
|
end
|
|
|
|
def exportable_topics
|
|
visible_topics ||= Pundit.policy_scope!(user, map.topics)
|
|
topic_mappings = Mapping.includes(mappable: [:metacode, :user])
|
|
.where(mappable: visible_topics, map: map)
|
|
topic_mappings.map do |mapping|
|
|
topic = mapping.mappable
|
|
OpenStruct.new(
|
|
id: topic.id,
|
|
name: topic.name,
|
|
metacode: topic.metacode.name,
|
|
x: mapping.xloc,
|
|
y: mapping.yloc,
|
|
description: topic.desc,
|
|
link: topic.link,
|
|
user: topic.user.name,
|
|
permission: topic.permission
|
|
)
|
|
end
|
|
end
|
|
|
|
def exportable_synapses
|
|
visible_synapses = Pundit.policy_scope!(user, map.synapses)
|
|
visible_synapses.map do |synapse|
|
|
OpenStruct.new(
|
|
topic1: synapse.node1_id,
|
|
topic2: synapse.node2_id,
|
|
category: synapse.category,
|
|
description: synapse.desc,
|
|
user: synapse.user.name,
|
|
permission: synapse.permission
|
|
)
|
|
end
|
|
end
|
|
|
|
def to_spreadsheet
|
|
spreadsheet = []
|
|
spreadsheet << ["Topics"]
|
|
spreadsheet << topic_headings.map(&:capitalize)
|
|
exportable_topics.each do |topics|
|
|
# convert exportable_topics into an array of arrays
|
|
spreadsheet << topic_headings.map { |h| topics.send(h) }
|
|
end
|
|
|
|
spreadsheet << []
|
|
spreadsheet << ["Synapses"]
|
|
spreadsheet << synapse_headings.map(&:capitalize)
|
|
exportable_synapses.each do |synapse|
|
|
# convert exportable_synapses into an array of arrays
|
|
spreadsheet << synapse_headings.map { |h| synapse.send(h) }
|
|
end
|
|
|
|
spreadsheet
|
|
end
|
|
end
|