Module: Urbit::Fact

Defined in:
lib/urbit/fact.rb,
lib/urbit/fact/base_fact.rb,
lib/urbit/fact/graph_fact.rb,
lib/urbit/fact/group_fact.rb,
lib/urbit/fact/metadata_fact.rb,
lib/urbit/fact/settings_fact.rb

Defined Under Namespace

Classes: AddGraphFact, AddGroupFact, AddGroupMemberFact, AddNodesFact, AddTagFact, BaseFact, EmptyFact, ErrorFact, GraphUpdateFact, GroupUpdateFact, InitialGroupFact, InitialGroupGroupFact, MetadataUpdateFact, RemoveGraphFact, RemoveGroupMemberFact, RemoveTagFact, SettingsEventDelBucketFact, SettingsEventDelEntryFact, SettingsEventFact, SettingsEventPutBucketFact, SettingsEventPutEntryFact, SuccessFact

Class Method Summary collapse

Class Method Details

.collect(channel:, event:) ⇒ Object

This is a Factory method to make the proper Fact subclass from a Channel Event.



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# File 'lib/urbit/fact.rb', line 15

def collect(channel:, event:)
  contents = JSON.parse(event.data)

  if contents["json"].nil?
    return SuccessFact.new(channel: channel, event: event) if contents["ok"]
    return ErrorFact.new(channel: channel, event: event)   if contents["err"]
    return EmptyFact.new(channel: channel, event: event)
  end

  if contents["json"]["graph-update"]
    return AddGraphFact.new(channel: channel, event: event)      if contents["json"]["graph-update"]["add-graph"]
    return AddNodesFact.new(channel: channel, event: event)      if contents["json"]["graph-update"]["add-nodes"]
    return RemoveGraphFact.new(channel: channel, event: event)   if contents["json"]["graph-update"]["remove-graph"]
  end

  if (c = contents["json"]["groupUpdate"])
    return AddGroupFact.new(channel: channel, event: event)          if c["addGroup"]
    return AddGroupMemberFact.new(channel: channel, event: event)    if c["addMembers"]
    return AddTagFact.new(channel: channel, event: event)            if c["addTag"]
    return InitialGroupFact.new(channel: channel, event: event)      if c["initial"]
    return InitialGroupGroupFact.new(channel: channel, event: event) if c["initialGroup"]
    return RemoveGroupMemberFact.new(channel: channel, event: event) if c["removeMembers"]
    return RemoveTagFact.new(channel: channel, event: event)         if c["removeTag"]
  end

  if (c = contents["json"]["metadata-update"])
    return MetadataUpdateFact.new(channel: channel, event: event) if contents["json"]["metadata-update"]
  end

  if (c = contents["json"]["settings-event"])
    return SettingsEventDelBucketFact.new(channel: channel, event: event) if c["del-bucket"]
    return SettingsEventDelEntryFact.new(channel: channel, event: event)  if c["del-entry"]
    return SettingsEventPutBucketFact.new(channel: channel, event: event) if c["put-bucket"]
    return SettingsEventPutEntryFact.new(channel: channel, event: event)  if c["put-entry"]
  end

  return BaseFact.new(channel: channel, event: event)
end