Module: Legion::Apollo::Local

Extended by:
Logging::Helper
Defined in:
lib/legion/apollo/local.rb,
lib/legion/apollo/local/graph.rb

Overview

Node-local knowledge store backed by SQLite + FTS5. Mirrors Legion::Apollo's public API but stores locally.

Defined Under Namespace

Modules: Graph

Constant Summary collapse

MIGRATION_PATH =

rubocop:disable Metrics/ModuleLength

File.expand_path('local/migrations', __dir__).freeze
LIFECYCLE_MUTEX = 
Mutex.new
WRITE_MUTEX = 
Mutex.new

Class Method Summary collapse

Class Method Details

.graph ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 138

def graph
  Legion::Apollo::Local::Graph
end

.ingest(content:, tags: [], access_scope: 'global', **opts) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/legion/apollo/local.rb', line 45

def ingest(content:, tags: [], access_scope: 'global', **opts) # rubocop:disable Metrics/MethodLength
  return not_started_error unless started?

  tags = normalize_tags_input(tags)
  WRITE_MUTEX.synchronize do
    ingest_without_lock(content: content, tags: tags,
                        **inject_identity_context(opts).merge(access_scope: access_scope))
  end
rescue StandardError => e
  handle_exception(
    e,
    level:          :error,
    operation:      'apollo.local.ingest',
    tags:           Array(tags).size,
    source_channel: opts[:source_channel]
  )
  { success: false, error: e.message }
end

.promote_to_global(tags:, min_confidence: 0.6) ⇒ Object

rubocop:disable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity



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# File 'lib/legion/apollo/local.rb', line 168

def promote_to_global(tags:, min_confidence: 0.6) # rubocop:disable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/PerceivedComplexity
  return { success: false, error: :not_started } unless local_db_usable?(local_db_connection)

  tags = normalize_tags_input(tags)
  entries = query_by_tags(tags: tags)
  return entries unless entries[:success]

  unless entries[:results]&.any?
    log.info { "Apollo::Local promote_to_global skipped tag_count=#{tags.size} reason=no_entries" }
    return { success: true, promoted: 0 }
  end

  promoted = 0
  entries[:results].each do |entry|
    next if entry[:confidence].to_f < min_confidence

    entry_tags = parse_tags(entry[:tags])
    hostname = begin
      ::Socket.gethostname
    rescue StandardError => e
      handle_exception(e, level: :debug, operation: 'apollo.local.resolve_hostname')
      'unknown'
    end
    result = Legion::Apollo.ingest(
      content:        entry[:content],
      raw_content:    entry[:raw_content] || entry[:content],
      valid_from:     entry[:valid_from],
      valid_to:       entry[:valid_to],
      tags:           entry_tags + ['promoted_from_local'],
      source_channel: 'local_promotion',
      submitted_by:   "node:#{hostname}",
      confidence:     entry[:confidence],
      scope:          :global
    )
    promoted += 1 if result[:success]
  end

  log.info { "Apollo::Local promote_to_global completed promoted=#{promoted} tag_count=#{tags.size}" }
  { success: true, promoted: promoted }
rescue StandardError => e
  handle_exception(
    e,
    level:          :error,
    operation:      'apollo.local.promote_to_global',
    tag_count:      tags.size,
    min_confidence: min_confidence
  )
  { success: false, error: e.message }
end

.query(text:, limit: nil, min_confidence: nil, tags: nil, requesting_principal_id: nil, **opts) ⇒ Object

rubocop:disable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/ParameterLists



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# File 'lib/legion/apollo/local.rb', line 92

def query(text:, limit: nil, min_confidence: nil, tags: nil, requesting_principal_id: nil, **opts) # rubocop:disable Metrics/MethodLength,Metrics/AbcSize,Metrics/CyclomaticComplexity,Metrics/ParameterLists
  return not_started_error unless started?

  text = normalize_text_input(text)
  tags = normalize_tags_input(tags)
  limit ||= local_setting(:default_limit, 5)
  min_confidence ||= local_setting(:min_confidence, 0.3)
  multiplier = local_setting(:fts_candidate_multiplier, 3)
  as_of = normalize_temporal_value(opts[:as_of])
  log.info do
    "Apollo::Local query executing text_length=#{text.to_s.length} " \
      "limit=#{limit} min_confidence=#{min_confidence} tag_count=#{Array(tags).size}"
  end
  log.debug { "Apollo::Local query limit=#{limit} min_confidence=#{min_confidence} tags=#{Array(tags).size}" }

  candidates = fts_search(text, limit: limit * multiplier, as_of: as_of)
  include_inferences = opts.fetch(:include_inferences, true)
  include_history = opts.fetch(:include_history, false)
  candidates = filter_candidates(candidates, min_confidence: min_confidence, tags: tags,
                                             options: { include_inferences: include_inferences,
                                                        include_history: include_history, as_of: as_of,
                                                        requesting_principal_id: requesting_principal_id })
  candidates = cosine_rerank(text, candidates) if can_rerank?
  results = candidates.first(limit)

  tier = opts[:tier]
  results = results.map { |r| project_tier(r, tier) } if tier

  log.info { "Apollo::Local query completed count=#{results.size}" }
  { success: true, results: results, count: results.size, mode: :local, tier: tier }
rescue StandardError => e
  handle_exception(
    e,
    level:          :error,
    operation:      'apollo.local.query',
    limit:          limit,
    min_confidence: min_confidence,
    tag_count:      Array(tags).size
  )
  { success: false, error: e.message }
end

.query_by_tags(tags:, limit: 50) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/legion/apollo/local.rb', line 148

def query_by_tags(tags:, limit: 50) # rubocop:disable Metrics/MethodLength
  connection = local_db_connection
  tags = normalize_tags_input(tags)
  return { success: false, error: :not_started } unless local_db_usable?(connection)

  results = query_by_tags_via_sql(connection, tags: tags, limit: limit)

  log.info { "Apollo::Local query_by_tags completed tag_count=#{tags.size} count=#{results.size}" }
  { success: true, results: results, count: results.size }
rescue StandardError => e
  handle_exception(
    e,
    level:     :error,
    operation: 'apollo.local.query_by_tags',
    tag_count: tags.size,
    limit:     limit
  )
  { success: false, error: e.message }
end

.reset! ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 142

def reset!
  LIFECYCLE_MUTEX.synchronize do
    @started = false
  end
end

.retrieve(text:, limit: 5) ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 134

def retrieve(text:, limit: 5, **)
  query(text: text, limit: limit, **)
end

.shutdown ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 31

def shutdown
  LIFECYCLE_MUTEX.synchronize do
    @started = false
    log.info 'Legion::Apollo::Local shutdown'
  end
rescue StandardError => e
  handle_exception(e, level: :warn, operation: 'apollo.local.shutdown')
  @started = false
end

.source_links_for(entry_id:) ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 243

def source_links_for(entry_id:)
  return not_started_error unless started?

  links = db[:local_source_links].where(entry_id: entry_id).all
  { success: true, links: links, count: links.size }
rescue StandardError => e
  handle_exception(e, level: :error, operation: 'apollo.local.source_links_for', entry_id: entry_id)
  { success: false, error: e.message }
end

.start ⇒ Object 



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# File 'lib/legion/apollo/local.rb', line 24

def start
  LIFECYCLE_MUTEX.synchronize { start_without_lock }
rescue StandardError => e
  handle_exception(e, level: :error, operation: 'apollo.local.start')
  @started = false
end

.started? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/legion/apollo/local.rb', line 41

def started?
  @started == true
end

.upsert(content:, tags: [], access_scope: 'global', **opts) ⇒ Object

rubocop:disable Metrics/MethodLength,Metrics/AbcSize



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# File 'lib/legion/apollo/local.rb', line 64

def upsert(content:, tags: [], access_scope: 'global', **opts) # rubocop:disable Metrics/MethodLength,Metrics/AbcSize
  return not_started_error unless started?

  sorted_tags = normalize_tags_input(tags).sort
  tag_json = Legion::JSON.dump(sorted_tags)
  merged_opts = inject_identity_context(opts).merge(access_scope: access_scope)
  WRITE_MUTEX.synchronize do
    existing = db[:local_knowledge].where(tags: tag_json).first

    if existing
      update_upsert_entry(existing, content, tag_json, merged_opts)
    else
      result = ingest_without_lock(content: content, tags: sorted_tags, **merged_opts)
      result[:mode] = :inserted if result[:success] && result[:mode] != :deduplicated
      result
    end
  end
rescue StandardError => e
  handle_exception(
    e,
    level:          :warn,
    operation:      'apollo.local.upsert',
    tags:           Array(tags).size,
    source_channel: opts[:source_channel]
  )
  { success: false, error: e.message }
end

.version_chain(entry_id:, max_depth: 50) ⇒ Object

rubocop:disable Metrics/MethodLength



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# File 'lib/legion/apollo/local.rb', line 218

def version_chain(entry_id:, max_depth: 50) # rubocop:disable Metrics/MethodLength
  return not_started_error unless started?

  chain = []
  current_id = entry_id
  seen = Set.new

  max_depth.times do
    break unless current_id
    break if seen.include?(current_id)

    seen.add(current_id)
    row = db[:local_knowledge].where(id: current_id).first
    break unless row

    chain << row
    current_id = row[:parent_knowledge_id]
  end

  { success: true, chain: chain, count: chain.size }
rescue StandardError => e
  handle_exception(e, level: :error, operation: 'apollo.local.version_chain', entry_id: entry_id)
  { success: false, error: e.message }
end