Module: Legion::Extensions::Llm::Ledger::Writers::OfficialRecordWriter

Extended by:
Logging::Helper
Defined in:
lib/legion/extensions/llm/ledger/writers/official_record_writer.rb

Class Method Summary collapse

Class Method Details

.billing(body) ⇒ Object 



566
567
568
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 566

def billing(body)
  body[:billing] || body[:cost] || {}
end

.caller_identity(body) ⇒ Object 



331
332
333
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 331

def caller_identity(body)
  caller_identity_refs(::Legion::Data.connection, body)[:identity_id]
end

.caller_identity_refs(db, body) ⇒ Object 



349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 349

def caller_identity_refs(db, body)
  body[:__ledger_caller_identity_refs] ||= begin
    explicit_identity_id = integer_or_nil(body[:caller_identity_id] || body.dig(:caller, :requested_by, :id))
    explicit_principal_id = integer_or_nil(body[:caller_principal_id] ||
                                           body.dig(:caller, :requested_by, :principal_id))
    refs = { principal_id: explicit_principal_id, identity_id: explicit_identity_id }.compact
    unless refs[:principal_id] && refs[:identity_id]
      if explicit_identity_id && !explicit_principal_id && identity_tables_available?(db)
        row = db[:identities].where(id: explicit_identity_id).first
        refs[:principal_id] = row[:principal_id] if row
      end

      resolved = resolve_identity(db, body)
      refs[:principal_id] ||= resolved[:principal_id]
      refs[:identity_id] ||= resolved[:identity_id]
    end
    refs.compact
  end
end

.caller_principal(body) ⇒ Object 



335
336
337
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 335

def caller_principal(body)
  caller_identity_refs(::Legion::Data.connection, body)[:principal_id]
end

.caller_type(body) ⇒ Object 



339
340
341
342
343
344
345
346
347
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 339

def caller_type(body)
  raw_type = body[:caller_type] ||
             body.dig(:identity, :type) ||
             body.dig(:caller, :requested_by, :type) ||
             body.dig(:caller, :source)
  return normalize_caller_type(raw_type) if present?(raw_type)

  parsed_identity_descriptor(body)[:kind]
end

.classification_level(body) ⇒ Object 



610
611
612
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 610

def classification_level(body)
  body[:classification_level] || body.dig(:classification, :level)
end

.contains_phi?(body) ⇒ Boolean

Returns:

  • (Boolean) 


614
615
616
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 614

def contains_phi?(body)
  body[:contains_phi] || body.dig(:classification, :contains_phi) || false
end

.contains_pii?(body) ⇒ Boolean

Returns:

  • (Boolean) 


618
619
620
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 618

def contains_pii?(body)
  body[:contains_pii] || body.dig(:classification, :contains_pii) || false
end

.correlation_id(body) ⇒ Object 



531
532
533
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 531

def correlation_id(body)
  reference(body, :correlation_id, :correlation_ref) || body.dig(:tracing, :correlation_id)
end

.cost_usd(body) ⇒ Object 



570
571
572
573
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 570

def cost_usd(body)
  raw = body[:cost_usd] || body.dig(:cost, :estimated_usd) || body.dig(:cost, :usd)
  raw.to_f
end

.deep_symbolize(value) ⇒ Object 



664
665
666
667
668
669
670
671
672
673
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 664

def deep_symbolize(value)
  case value
  when Hash
    value.each_with_object({}) { |(key, item), memo| memo[key.to_sym] = deep_symbolize(item) }
  when Array
    value.map { |item| deep_symbolize(item) }
  else
    value
  end
end

.deterministic_uuid(value) ⇒ Object 



638
639
640
641
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 638

def deterministic_uuid(value)
  hex = Digest::SHA256.hexdigest(value.to_s)[0, 32]
  "#{hex[0, 8]}-#{hex[8, 4]}-#{hex[12, 4]}-#{hex[16, 4]}-#{hex[20, 12]}"
end

.enrich_request!(db, existing, body) ⇒ Object 



312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 312

def enrich_request!(db, existing, body)
  updates = {}
  caller_refs = caller_identity_refs(db, body)
  updates[:caller_identity_id] = caller_refs[:identity_id] if existing[:caller_identity_id].nil? && caller_refs[:identity_id]
  updates[:caller_principal_id] = caller_refs[:principal_id] if existing[:caller_principal_id].nil? && caller_refs[:principal_id]
  updates[:runtime_caller_type] = caller_type(body) if existing[:runtime_caller_type].nil? && caller_type(body)

  request_json = json_dump(request_payload(body))
  updates[:request_json] = request_json if existing[:request_json].to_s == '{}' && request_json != '{}'

  msg_count = Array(body.dig(:request, :messages) || body[:messages]).size
  updates[:context_message_count] = msg_count if existing[:context_message_count].to_i.zero? && msg_count.positive?

  return if updates.empty?

  db[:llm_message_inference_requests].where(id: existing[:id]).update(updates)
  log.info("[ledger] enriched request id=#{existing[:id]} fields=#{updates.keys.join(',')}")
end

.enrich_response!(db, existing, response_message, body) ⇒ Object 



226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 226

def enrich_response!(db, existing, response_message, body)
  updates = {}
  update_if_missing(updates, existing, :response_message_id, response_message&.dig(:id))
  update_if_missing(updates, existing, :tier, tier(body))
  update_if_missing(updates, existing, :provider_instance, provider_instance(body))
  update_if_missing(updates, existing, :finish_reason, finish_reason(body))
  update_if_missing(updates, existing, :dispatch_path, body[:dispatch_path] || body[:tier])

  response_json = json_dump(visible_response(body))
  update_if_placeholder(updates, existing, :response_json, response_json)

  thinking_json = json_dump(thinking_response(body))
  update_if_placeholder(updates, existing, :response_thinking_json, thinking_json)

  return if updates.empty?

  db[:llm_message_inference_responses].where(id: existing[:id]).update(updates)
  log.info("[ledger] enriched response id=#{existing[:id]} fields=#{updates.keys.join(',')}")
end

.find_or_create_conversation(db, body) ⇒ Object 



55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 55

def find_or_create_conversation(db, body)
  uuid = stable_uuid(reference(body, :conversation_id, :conversation_ref) || 'default-conversation')
  existing = db[:llm_conversations].where(uuid: uuid).first
  return existing if existing

  id = insert_with_savepoint(db, :llm_conversations, {
                               uuid:                 uuid,
                               title:                body[:title] || body[:conversation_title],
                               classification_level: classification_level(body),
                               contains_phi:         contains_phi?(body),
                               contains_pii:         contains_pii?(body),
                               retention_policy:     body[:retention_policy] || 'default',
                               expires_at:           body[:expires_at],
                               recorded_at:          recorded_at(body),
                               inserted_at:          Time.now.utc,
                               created_at:           Time.now.utc,
                               updated_at:           Time.now.utc
                             }, operation: 'official_record_writer.conversation')
  db[:llm_conversations][id: id]
rescue Sequel::UniqueConstraintViolation => e
  log.debug("[ledger] conversation collision resolved uuid=#{uuid} error=#{e.class}")
  existing = db[:llm_conversations].where(uuid: uuid).first
  return existing if existing

  raise
end

.find_or_create_identity(db, principal, provider, descriptor) ⇒ Object 



472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 472

def find_or_create_identity(db, principal, provider, descriptor)
  table = db[:identities]
  existing = table.where(
    principal_id:          principal[:id],
    provider_id:           provider[:id],
    provider_identity_key: descriptor[:provider_identity_key]
  ).first
  return existing if existing

  uuid_key = "identity:#{principal[:id]}:#{provider[:id]}:#{descriptor[:provider_identity_key]}"
  id = insert_with_savepoint(db, :identities, {
                               uuid:                  deterministic_uuid(uuid_key),
                               principal_id:          principal[:id],
                               provider_id:           provider[:id],
                               provider_identity_key: descriptor[:provider_identity_key],
                               last_authenticated_at: Time.now.utc,
                               account_type:          'primary',
                               is_default:            true,
                               created_at:            Time.now.utc,
                               updated_at:            Time.now.utc
                             }, operation: 'official_record_writer.identity')
  table[id: id]
rescue Sequel::UniqueConstraintViolation => e
  handle_exception(e, level: :debug, handled: true, operation: 'official_record_writer.identity_race')
  existing = table.where(principal_id: principal[:id], provider_id: provider[:id],
                         provider_identity_key: descriptor[:provider_identity_key]).first
  return existing if existing

  raise
end

.find_or_create_identity_principal(db, descriptor) ⇒ Object 



449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 449

def find_or_create_identity_principal(db, descriptor)
  table = db[:identity_principals]
  existing = table.where(canonical_name: descriptor[:canonical_name], kind: descriptor[:kind]).first
  return existing if existing

  id = insert_with_savepoint(db, :identity_principals, {
                               uuid:           deterministic_uuid("identity_principal:#{descriptor[:kind]}:#{descriptor[:canonical_name]}"),
                               canonical_name: descriptor[:canonical_name],
                               kind:           descriptor[:kind],
                               display_name:   descriptor[:canonical_name],
                               last_seen_at:   Time.now.utc,
                               created_at:     Time.now.utc,
                               updated_at:     Time.now.utc
                             }, operation: 'official_record_writer.identity_principal')
  table[id: id]
rescue Sequel::UniqueConstraintViolation => e
  handle_exception(e, level: :debug, handled: true, operation: 'official_record_writer.identity_principal_race')
  existing = table.where(canonical_name: descriptor[:canonical_name], kind: descriptor[:kind]).first
  return existing if existing

  raise
end

.find_or_create_identity_provider(db, provider_name) ⇒ Object 



426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 426

def find_or_create_identity_provider(db, provider_name)
  table = db[:identity_providers]
  existing = table.where(name: provider_name).first
  return existing if existing

  id = insert_with_savepoint(db, :identity_providers, {
                               uuid:          deterministic_uuid("identity_provider:#{provider_name}"),
                               name:          provider_name,
                               provider_type: provider_name == 'local' ? 'local' : 'external',
                               facing:        'internal',
                               source:        'ledger',
                               created_at:    Time.now.utc,
                               updated_at:    Time.now.utc
                             }, operation: 'official_record_writer.identity_provider')
  table[id: id]
rescue Sequel::UniqueConstraintViolation => e
  handle_exception(e, level: :debug, handled: true, operation: 'official_record_writer.identity_provider_race')
  existing = table.where(name: provider_name).first
  return existing if existing

  raise
end

.find_or_create_metric(db, request, response, body) ⇒ Object 



254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 254

def find_or_create_metric(db, request, response, body)
  metric_uuid = stable_uuid(reference(body, :message_id) || "metric:#{request_ref(body)}")
  existing = db[:llm_message_inference_metrics].where(uuid: metric_uuid).first
  return existing if existing

  token_values = tokens(body)
  id = insert_with_savepoint(db, :llm_message_inference_metrics, {
                               uuid:                          metric_uuid,
                               message_inference_request_id:  request[:id],
                               message_inference_response_id: response[:id],
                               provider:                      provider(body),
                               model_key:                     model_id(body),
                               tier:                          tier(body),
                               input_tokens:                  token_values[:input_tokens],
                               output_tokens:                 token_values[:output_tokens],
                               thinking_tokens:               token_values[:thinking_tokens],
                               total_tokens:                  token_values[:total_tokens],
                               latency_ms:                    integer(body[:latency_ms]),
                               wall_clock_ms:                 integer(body[:wall_clock_ms]),
                               cost_usd:                      cost_usd(body),
                               currency:                      body[:currency] || 'USD',
                               cost_center:                   billing(body)[:cost_center],
                               budget_key:                    billing(body)[:budget_id] || billing(body)[:budget_key],
                               recorded_at:                   recorded_at(body),
                               inserted_at:                   Time.now.utc
                             }, operation: 'official_record_writer.inference_metric')
  db[:llm_message_inference_metrics][id: id]
rescue Sequel::UniqueConstraintViolation => e
  log.debug("[ledger] metric collision resolved uuid=#{metric_uuid} error=#{e.class}")
  existing = db[:llm_message_inference_metrics].where(uuid: metric_uuid).first
  return existing if existing

  raise
end

.find_or_create_request(db, conversation, latest_message, body) ⇒ Object 



109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 109

def find_or_create_request(db, conversation, latest_message, body)
  request_id = request_ref(body)
  existing = db[:llm_message_inference_requests].where(request_ref: request_id).first
  if existing
    enrich_request!(db, existing, body)
    return existing
  end

  operation = operation(body)
  caller_refs = caller_identity_refs(db, body)
  id = insert_with_savepoint(db, :llm_message_inference_requests, {
                               uuid:                  stable_uuid(request_id),
                               conversation_id:       conversation[:id],
                               latest_message_id:     latest_message[:id],
                               caller_principal_id:   caller_refs[:principal_id],
                               caller_identity_id:    caller_refs[:identity_id],
                               runtime_caller_type:   caller_type(body),
                               request_ref:           request_id,
                               correlation_ref:       correlation_id(body),
                               correlation_id:        correlation_id(body),
                               exchange_ref:          body[:exchange_id],
                               request_type:          operation,
                               operation:             operation,
                               idempotency_key:       body[:idempotency_key] || request_id,
                               status:                'responded',
                               context_message_count: Array(body.dig(:request, :messages) || body[:messages]).size,
                               request_capture_mode:  'full',
                               request_json:          json_dump(request_payload(body)),
                               classification_level:  classification_level(body),
                               cost_center:           billing(body)[:cost_center],
                               budget_key:            billing(body)[:budget_id] || billing(body)[:budget_key],
                               requested_at:          recorded_at(body),
                               inserted_at:           Time.now.utc
                             }, operation: 'official_record_writer.inference_request')
  db[:llm_message_inference_requests][id: id]
rescue Sequel::UniqueConstraintViolation => e
  log.debug("[ledger] request collision resolved request_ref=#{request_id} error=#{e.class}")
  existing = db[:llm_message_inference_requests].where(request_ref: request_id).first
  if existing
    enrich_request!(db, existing, body)
    return existing
  end

  raise
end

.find_or_create_response(db, request, response_message, body) ⇒ Object 



185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 185

def find_or_create_response(db, request, response_message, body)
  response_uuid = stable_uuid(reference(body, :provider_response_ref) || "response:#{request_ref(body)}")
  existing = db[:llm_message_inference_responses].where(uuid: response_uuid).first
  if existing
    enrich_response!(db, existing, response_message, body)
    return existing
  end

  id = insert_with_savepoint(db, :llm_message_inference_responses, {
                               uuid:                         response_uuid,
                               message_inference_request_id: request[:id],
                               response_message_id:          response_message&.dig(:id),
                               provider:                     provider(body),
                               provider_instance:            provider_instance(body),
                               model_key:                    model_id(body),
                               tier:                         tier(body),
                               runner_ref:                   body[:worker_id] || body[:runner_ref],
                               provider_response_ref:        body[:provider_response_ref],
                               status:                       body[:error] ? 'error' : 'success',
                               finish_reason:                finish_reason(body),
                               latency_ms:                   integer(body[:latency_ms]),
                               wall_clock_ms:                integer(body[:wall_clock_ms]),
                               response_capture_mode:        'full',
                               response_json:                json_dump(visible_response(body)),
                               response_thinking_json:       json_dump(thinking_response(body)),
                               dispatch_path:                body[:dispatch_path] || body[:tier],
                               responded_at:                 recorded_at(body),
                               inserted_at:                  Time.now.utc
                             }, operation: 'official_record_writer.inference_response')
  db[:llm_message_inference_responses][id: id]
rescue Sequel::UniqueConstraintViolation => e
  log.debug("[ledger] response collision resolved uuid=#{response_uuid} error=#{e.class}")
  existing = db[:llm_message_inference_responses].where(uuid: response_uuid).first
  if existing
    enrich_response!(db, existing, response_message, body)
    return existing
  end

  raise
end

.find_or_create_response_message(db, conversation, request, body) ⇒ Object 



155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 155

def find_or_create_response_message(db, conversation, request, body)
  uuid = stable_uuid(reference(body, :response_message_id) || "response-message:#{request_ref(body)}")
  existing = db[:llm_messages].where(uuid: uuid).first
  return existing if existing

  latest = db[:llm_messages][id: request[:latest_message_id]]
  seq = (latest&.dig(:seq) || 1) + 1
  begin
    id = insert_with_savepoint(db, :llm_messages, {
                                 uuid:                         uuid,
                                 conversation_id:              conversation[:id],
                                 parent_message_id:            latest&.dig(:id),
                                 message_inference_request_id: request[:id],
                                 seq:                          seq,
                                 role:                         'assistant',
                                 content_type:                 'text',
                                 content:                      response_content(body),
                                 input_tokens:                 0,
                                 output_tokens:                tokens(body)[:output_tokens],
                                 created_at:                   recorded_at(body),
                                 inserted_at:                  Time.now.utc
                               }, operation: 'official_record_writer.response_message')
    db[:llm_messages][id: id]
  rescue Sequel::UniqueConstraintViolation => e
    log.debug("[ledger] seq collision resolved uuid=#{uuid} conversation_id=#{conversation[:id]} error=#{e.class}")
    db[:llm_messages].where(uuid: uuid).first ||
      db[:llm_messages].where(conversation_id: conversation[:id], seq: seq).first
  end
end

.find_or_create_user_message(db, conversation, body) ⇒ Object 



82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 82

def find_or_create_user_message(db, conversation, body)
  uuid = stable_uuid(reference(body, :message_id, :message_id_ctx) || "request-message:#{request_ref(body)}")
  existing = db[:llm_messages].where(uuid: uuid).first
  return existing if existing

  seq = body[:message_seq] ? integer(body[:message_seq]) : next_message_seq(db, conversation)
  begin
    id = insert_with_savepoint(db, :llm_messages, {
                                 uuid:            uuid,
                                 conversation_id: conversation[:id],
                                 seq:             seq,
                                 role:            'user',
                                 content_type:    'text',
                                 content:         request_content(body),
                                 input_tokens:    tokens(body)[:input_tokens],
                                 output_tokens:   0,
                                 created_at:      recorded_at(body),
                                 inserted_at:     Time.now.utc
                               }, operation: 'official_record_writer.user_message')
    db[:llm_messages][id: id]
  rescue Sequel::UniqueConstraintViolation => e
    log.debug("[ledger] seq collision resolved uuid=#{uuid} conversation_id=#{conversation[:id]} error=#{e.class}")
    db[:llm_messages].where(uuid: uuid).first ||
      db[:llm_messages].where(conversation_id: conversation[:id], seq: seq).first
  end
end

.finish_reason(body) ⇒ Object 



606
607
608
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 606

def finish_reason(body)
  body[:finish_reason] || body.dig(:response, :finish_reason) || body.dig(:response, :stop, :reason)
end

.identity_tables_available?(db) ⇒ Boolean

Returns:

  • (Boolean) 


503
504
505
506
507
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 503

def identity_tables_available?(db)
  db.table_exists?(:identity_providers) &&
    db.table_exists?(:identity_principals) &&
    db.table_exists?(:identities)
end

.insert_row(db, table, attributes, operation:) ⇒ Object 



289
290
291
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 289

def insert_row(db, table, attributes, operation:)
  Helpers::PersistenceLogging.insert_row(db, table, attributes, operation: operation)
end

.insert_with_savepoint(db, table, attributes, operation:) ⇒ Object 



293
294
295
296
297
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 293

def insert_with_savepoint(db, table, attributes, operation:)
  db.transaction(savepoint: true) do
    insert_row(db, table, attributes, operation: operation)
  end
end

.integer(value, default: 0) ⇒ Object 



647
648
649
650
651
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 647

def integer(value, default: 0)
  return default if value.nil?

  value.to_i
end

.integer_or_nil(value) ⇒ Object 



523
524
525
526
527
528
529
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 523

def integer_or_nil(value)
  return nil if value.nil?
  return value if value.is_a?(Integer)

  int = value.to_s.to_i
  int.positive? ? int : nil
end

.json_dump(value) ⇒ Object 



660
661
662
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 660

def json_dump(value)
  Helpers::Json.dump(value)
end

.link_response_message!(db, response_message, response) ⇒ Object 



305
306
307
308
309
310
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 305

def link_response_message!(db, response_message, response)
  return unless response_message && response
  return if response_message[:message_inference_response_id] == response[:id]

  db[:llm_messages].where(id: response_message[:id]).update(message_inference_response_id: response[:id])
end

.model_id(body) ⇒ Object 



548
549
550
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 548

def model_id(body)
  body[:model_id] || body[:model_key] || body.dig(:routing, :model)
end

.next_message_seq(db, conversation) ⇒ Object 



643
644
645
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 643

def next_message_seq(db, conversation)
  db[:llm_messages].where(conversation_id: conversation[:id]).max(:seq).to_i + 1
end

.normalize_caller_type(value) ⇒ Object 



509
510
511
512
513
514
515
516
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 509

def normalize_caller_type(value)
  return nil unless present?(value)

  normalized = value.to_s.downcase.gsub(/[^a-z0-9_:-]+/, '_').split(':', 2).first
  return 'human' if normalized == 'user'

  normalized
end

.normalize_provider_name(value) ⇒ Object 



518
519
520
521
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 518

def normalize_provider_name(value)
  raw = present?(value) ? value.to_s : 'local'
  raw.downcase.gsub(/[^a-z0-9_.:-]+/, '-').gsub(/\A-+|-+\z/, '')
end

.operation(body) ⇒ Object 



535
536
537
538
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 535

def operation(body)
  (body[:operation] || body[:request_type] || body.dig(:routing, :operation) ||
    body.dig(:headers, :'x-legion-llm-request-type') || 'chat').to_s
end

.parse_identity_descriptor(raw_identity, raw_type, provider_name) ⇒ Object 



404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 404

def parse_identity_descriptor(raw_identity, raw_type, provider_name)
  text = raw_identity.to_s
  kind = normalize_caller_type(raw_type)
  canonical = text

  if text.include?(':') && !text.include?('@')
    prefix, remainder = text.split(':', 2)
    prefix_kind = normalize_caller_type(prefix)
    if prefix_kind && present?(remainder)
      kind ||= prefix_kind
      canonical = remainder
    end
  end

  {
    canonical_name:        canonical,
    kind:                  kind || 'unknown',
    provider_identity_key: text,
    provider_name:         normalize_provider_name(provider_name)
  }
end

.parsed_identity_descriptor(body) ⇒ Object 



385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 385

def parsed_identity_descriptor(body)
  raw_identity = body[:caller_identity] ||
                 body.dig(:identity, :identity) ||
                 body.dig(:identity, :canonical_name) ||
                 body.dig(:caller, :requested_by, :identity) ||
                 body.dig(:caller, :requested_by, :canonical_name) ||
                 body.dig(:caller, :requested_by, :id)
  return {} unless present?(raw_identity)

  raw_type = body[:caller_type] ||
             body.dig(:identity, :type) ||
             body.dig(:caller, :requested_by, :type) ||
             body.dig(:caller, :source)
  provider_name = body.dig(:identity, :credential) ||
                  body.dig(:caller, :requested_by, :credential) ||
                  'local'
  parse_identity_descriptor(raw_identity, raw_type, provider_name)
end

.present?(value) ⇒ Boolean

Returns:

  • (Boolean) 


675
676
677
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 675

def present?(value)
  !value.nil? && !(value.respond_to?(:empty?) && value.empty?)
end

.provider(body) ⇒ Object 



540
541
542
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 540

def provider(body)
  (body[:provider] || body.dig(:routing, :provider)).to_s
end

.provider_instance(body) ⇒ Object 



544
545
546
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 544

def provider_instance(body)
  body[:provider_instance] || body.dig(:routing, :provider_instance) || body.dig(:routing, :instance)
end

.recorded_at(body) ⇒ Object 



622
623
624
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 622

def recorded_at(body)
  body[:recorded_at] || body[:timestamp] || body.dig(:timestamps, :returned) || body.dig(:timestamps, :provider_end) || Time.now.utc
end

.reference(body, *keys) ⇒ Object 



626
627
628
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 626

def reference(body, *keys)
  keys.lazy.map { |key| body[key] }.find { |value| present?(value) }&.to_s
end

.request_content(body) ⇒ Object 



579
580
581
582
583
584
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 579

def request_content(body)
  messages = body.dig(:request, :messages) || body[:messages]
  message = Array(messages).reverse.find { |item| item[:role].to_s == 'user' } || Array(messages).last
  content = message&.dig(:content) || body[:prompt] || body[:text]
  stringify_content(content)
end

.request_payload(body) ⇒ Object 



575
576
577
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 575

def request_payload(body)
  body[:request] || body[:messages] || {}
end

.request_ref(body) ⇒ Object 



299
300
301
302
303
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 299

def request_ref(body)
  body[:__ledger_request_ref] ||= reference(body, :request_id, :request_ref) ||
                                  correlation_id(body) ||
                                  stable_uuid(SecureRandom.uuid)
end

.resolve_identity(db, body) ⇒ Object 



369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 369

def resolve_identity(db, body)
  return {} unless identity_tables_available?(db)

  descriptor = parsed_identity_descriptor(body)
  return {} unless present?(descriptor[:canonical_name])

  provider = find_or_create_identity_provider(db, descriptor[:provider_name])
  principal = find_or_create_identity_principal(db, descriptor)
  identity = find_or_create_identity(db, principal, provider, descriptor)

  { principal_id: principal[:id], identity_id: identity[:id] }
rescue StandardError => e
  handle_exception(e, level: :warn, handled: true, operation: 'official_record_writer.identity_resolution')
  {}
end

.response_content(body) ⇒ Object 



602
603
604
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 602

def response_content(body)
  stringify_content(visible_response(body)[:content] || visible_response(body).dig(:message, :content))
end

.stable_uuid(value) ⇒ Object 



630
631
632
633
634
635
636
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 630

def stable_uuid(value)
  raw = value.to_s
  return raw if raw.length <= 36

  hex = Digest::SHA256.hexdigest(raw)[0, 32]
  "#{hex[0, 8]}-#{hex[8, 4]}-#{hex[12, 4]}-#{hex[16, 4]}-#{hex[20, 12]}"
end

.stringify_content(content) ⇒ Object 



653
654
655
656
657
658
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 653

def stringify_content(content)
  return nil if content.nil?
  return content if content.is_a?(String)

  json_dump(content)
end

.thinking_response(body) ⇒ Object 



594
595
596
597
598
599
600
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 594

def thinking_response(body)
  thinking = body[:response_thinking] || body[:thinking] || body.dig(:response, :thinking)
  return {} if thinking.nil?
  return { content: thinking } if thinking.is_a?(String)

  thinking
end

.tier(body) ⇒ Object 



552
553
554
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 552

def tier(body)
  body[:tier] || body.dig(:routing, :tier)
end

.tokens(body) ⇒ Object 



556
557
558
559
560
561
562
563
564
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 556

def tokens(body)
  raw = body[:tokens] || body
  input = integer(raw[:input_tokens] || raw[:input])
  output = integer(raw[:output_tokens] || raw[:output])
  thinking = integer(raw[:thinking_tokens] || raw[:thinking])
  total = integer(raw[:total_tokens] || raw[:total], default: input + output + thinking)

  { input_tokens: input, output_tokens: output, thinking_tokens: thinking, total_tokens: total }
end

.update_if_missing(updates, existing, key, value) ⇒ Object 



246
247
248
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 246

def update_if_missing(updates, existing, key, value)
  updates[key] = value if existing[key].nil? && present?(value)
end

.update_if_placeholder(updates, existing, key, value) ⇒ Object 



250
251
252
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 250

def update_if_placeholder(updates, existing, key, value)
  updates[key] = value if existing[key].to_s == '{}' && value != '{}'
end

.visible_response(body) ⇒ Object 



586
587
588
589
590
591
592
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 586

def visible_response(body)
  response = body[:response] || body[:response_content] || body[:content] || {}
  return { content: response } if response.is_a?(String)
  return { content: response[:content] } if response.is_a?(Hash) && response.key?(:content)

  response.is_a?(Hash) ? response.except(:thinking) : { content: response.to_s }
end

.write_metering(payload) ⇒ Object 



38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 38

def write_metering(payload)
  body = deep_symbolize(payload)
  db = ::Legion::Data.connection
  result = nil

  db.transaction do
    conversation = find_or_create_conversation(db, body)
    user_message = find_or_create_user_message(db, conversation, body)
    request = find_or_create_request(db, conversation, user_message, body)
    response = find_or_create_response(db, request, nil, body)
    metric = find_or_create_metric(db, request, response, body)
    result = { result: :ok, request_id: request[:id], response_id: response[:id], metric_id: metric[:id] }
  end

  result
end

.write_prompt(payload) ⇒ Object 



19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
 
# File 'lib/legion/extensions/llm/ledger/writers/official_record_writer.rb', line 19

def write_prompt(payload)
  body = deep_symbolize(payload)
  db = ::Legion::Data.connection
  result = nil

  db.transaction do
    conversation = find_or_create_conversation(db, body)
    user_message = find_or_create_user_message(db, conversation, body)
    request = find_or_create_request(db, conversation, user_message, body)
    response_message = find_or_create_response_message(db, conversation, request, body)
    response = find_or_create_response(db, request, response_message, body)
    link_response_message!(db, response_message, response)
    metric = find_or_create_metric(db, request, response, body)
    result = { result: :ok, request_id: request[:id], response_id: response[:id], metric_id: metric[:id] }
  end

  result
end