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https://github.com/Sea-Haven-Industries/proposal-system.git
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Adam Moussa
85bca54e08
Phase 6a of the SHOC-alignment plan (ADR 0004, wire contract extracted
verbatim from shoc-backend PRs #10/#13-#18).
Concurrency (SHOC double-guard, Postgres port):
- long Version on Proposal + LineItem, IsConcurrencyToken, additive
migration AddProposalLineItemVersion (DEFAULT 1; Up/Down inspected —
no drift, exactly two AddColumn/DropColumn).
- Tokens are opaque base64 strings on the wire (RowVersionCodec:
8-byte big-endian long), rowVersion on responses, proposalVersion on
guarded requests. Missing -> 422 ProposalVersionRequired; malformed
-> 422 InvalidRowVersion (BusinessRuleException carrier).
- Guarded: update, approve, return-to-review, send, revise, and bulk
line-item update (proposal-level token — bulk replaces the item set
wholesale, so per-item tokens are meaningless; deviation from the
plan documented). Creates/deletes unguarded per SHOC precedent but
bump the aggregate version.
- Conflict -> 409 { message, currentState } (SHOC envelope, reloaded
row embedded); bare DbUpdateConcurrencyException -> 409
{ status, message, code } fallback. Both non-ProblemDetails,
emitted by GlobalExceptionHandler.
Audit atomicity (stage-then-single-SaveChanges):
- IAuditService.Stage adds to the shared context without saving;
every proposal/line-item mutation stages before its own single
SaveChangesAsync, so mutation + audit commit or fail together.
LogAsync (self-saving) remains for standalone events (downloads,
role changes, delivery).
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| tests/ProposalSystem.Tests | ||
| global.json | ||
| ProposalSystem.sln | ||