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Conflict Resolver Service

Component Detail

Service Layer high complexity mobile
2
Dependencies
0
Dependents
2
Entities
0
Integrations

Description

Resolves conflicts when the same record was mutated both offline and on the server. Applies entity-scoped strategies: server-wins for activities and notes (authoritative for Bufdir reporting), last-write-wins with timestamp comparison for contact edits.

Feature: Offline Data Support

conflict-resolver-service

Responsibilities

  • Detect conflicts by comparing local mutation timestamps against server record versions
  • Apply server-wins strategy for activities and notes on conflict
  • Apply last-write-wins with timestamp comparison for contact edits
  • Persist resolution outcome and update local store to authoritative state
  • Emit conflict resolution events to the Riverpod state layer for UI notification

Interfaces

resolve(entityType, localRecord, serverRecord): Future<ConflictResolution>
getStrategy(entityType): ConflictStrategy
applyResolution(resolution): Future<void>

Relationships

Dependencies (2)

Components this component depends on

data Local Database (Drift + SQLCipher) Shared data Mutation Outbox

Related Data Entities (2)

Data entities managed by this component

Activity 25 fields core Confidentiality Declaration 17 fields core