May 2026 · Printavo · Apparel Ops

Blank Garment PO Automation: Printavo GraphQL, S&S REST, SanMar SOAP, and Multi-Tenant V1

This post walks through the full system clients ask for: trigger from Printavo, stock truth across vendors, rules-based PO grouping, human approval, vendor placement, receiving artifacts, shipment risk, and write-back. It includes flow diagrams and phased maturity curves you can use to prove progress on a V1 build.

1) End-to-End Flowchart

Single pipeline from status change to shop-floor checklist and accounting visibility.

Printavo status hit→

Fetch order lines (GraphQL)→

Vendor inventory (REST/SOAP)→

Rules → PO drafts→

Manager review→

Place orders (API)→

Track + risk vs due date→

Receiving PDF by invoice→

Tasks + expenses → Printavo

Automation Coverage (%)

Phased V1: triggers → adapters → rules → review → write-back.

Sprint 138%

Sprint 258%

Sprint 372%

Sprint 484%

Sprint 593%

Sprint 698%

Manual Purchasing Time (indexed)

Lower is better—same phases as automation maturity.

Sprint 1100%

Sprint 278%

Sprint 362%

Sprint 448%

Sprint 535%

Sprint 622%

2) Non-Negotiables for Client Confidence

Idempotent jobs: same Printavo status transition cannot double-place vendor orders.

Tenant isolation: credentials and PO history never leak across shops.

Vendor adapter boundaries: core logic never imports SOAP/REST details directly.

Human review before submit: placement is explicit, logged, and reversible where APIs allow.

Audit trail: who approved, what stock snapshot was used, what vendor returned.

Handoff: README, env template, runbook for credential rotation and vendor outages.

3) Detailed Build Phases

Phase A — Read Path

Solidify GraphQL reads for orders/lines at the trigger status. Normalize SKU and qty fields into internal line items. Snapshot vendor inventory responses with timestamps for audit.

Phase B — Vendor Truth

Implement adapters with retries, rate limits, and normalized errors. SOAP vs REST differences stay inside adapters.

Phase C — Rules + Review

Encode PO bundling rules with explainability (“why these lines grouped”). Review UI shows substitutions and blocks submit on hard failures.

Phase D — Downstream Value

Receiving PDFs by invoice, shipment tracking ingestion, due-date risk scoring, Printavo tasks and expense entries for visibility.

AI-Assisted Delivery (Cursor, Claude Code, etc.)

V1 moves faster when contracts are explicit: GraphQL queries typed, adapter interfaces fixed, fixtures recorded, and lint/tests gate merges. That is how AI tooling stays helpful instead of generating fragile glue code.