red/.planning/phases/18-template-schema-and-crud-api/18-02-SUMMARY.md

phase, plan, subsystem, tags, requires, provides, affects, tech-stack, key-files, key-decisions, patterns-established, requirements-completed, duration, completed

phase	plan	subsystem	tags	requires	provides	affects	tech-stack	key-files	key-decisions	patterns-established	requirements-completed	duration	completed
18-template-schema-and-crud-api	02	api	drizzle next-app-router rest-api soft-delete postgresql	phase provides 18-01 documentTemplates Drizzle table + 0012 migration	GET /api/templates — list active templates with formName JOIN and computed fieldCount POST /api/templates — create template with name + formTemplateId FK validation PATCH /api/templates/[id] — rename and/or update signatureFields with explicit updatedAt DELETE /api/templates/[id] — soft-delete via archivedAt (no hard delete)	Phase 19 template editor UI Phase 20 apply-template endpoint	added patterns soft-delete filter (isNull archivedAt) LEFT JOIN for computed field explicit updatedAt on every UPDATE	created modified teressa-copeland-homes/src/app/api/templates/route.ts teressa-copeland-homes/src/app/api/templates/[id]/route.ts	fieldCount derived server-side as (signatureFields ?? []).length — not stored in DB per D-12 PATCH guards against archived templates via isNull(archivedAt) before update — archived templates return 404 DELETE sets archivedAt + updatedAt atomically in a single UPDATE statement, returns 204 No Content POST validates FK existence via db.query.formTemplates.findFirst before INSERT — returns 404 not 500 on bad FK	Soft-delete list filter: .where(isNull(documentTemplates.archivedAt)) in GET handler Soft-delete guard in mutating handlers: findFirst with and(eq(id), isNull(archivedAt)) → 404 if missing/archived Explicit updatedAt: new Date() in every UPDATE per D-05 pattern	TMPL-01 TMPL-02 TMPL-03 TMPL-04	3min	2026-04-06

Phase 18 Plan 02: Template CRUD API Summary

Four REST handlers at /api/templates providing full CRUD with soft-delete, auth guard, FK validation, and computed fieldCount via LEFT JOIN on formTemplates.

Performance

• Duration: ~3 min
• Started: 2026-04-06T18:16:47Z
• Completed: 2026-04-06T18:19:30Z
• Tasks: 2
• Files modified: 2

Accomplishments

• GET /api/templates lists active templates only (archivedAt IS NULL) with formName from joined formTemplates and computed fieldCount
• POST /api/templates validates name + formTemplateId, checks FK exists in formTemplates, inserts and returns 201
• PATCH /api/templates/[id] handles rename and signatureFields update with explicit updatedAt, guards archived templates
• DELETE /api/templates/[id] soft-deletes via archivedAt = new Date() per D-07, returns 204 — never removes the row

Task Commits

1. Task 1: Create GET and POST routes at /api/templates - 28c7773 (feat)
2. Task 2: Create PATCH and DELETE routes at /api/templates/[id] - 12a74fc (feat)

Files Created/Modified

• teressa-copeland-homes/src/app/api/templates/route.ts — GET (list active templates with JOIN) and POST (create with FK validation)
• teressa-copeland-homes/src/app/api/templates/[id]/route.ts — PATCH (rename/update fields, explicit updatedAt) and DELETE (soft-delete via archivedAt)

Decisions Made

• PATCH returns 404 for archived templates (guards via and(eq(id), isNull(archivedAt))) — ensures mutating handlers do not resurrect archived templates accidentally
• POST verifies formTemplateId FK exists before INSERT, returning 404 with a clear error message rather than letting the DB constraint throw a 500
• DELETE returns 204 No Content on success (no body) — matches REST convention for soft-delete confirmation

Deviations from Plan

None - plan executed exactly as written.

Issues Encountered

None.

User Setup Required

None - no external service configuration required.

Next Phase Readiness

• All four CRUD routes are ready for Phase 19 (template editor UI)
• Phase 19 will call GET to list templates, POST to create, PATCH with signatureFields to save field layout, and optionally DELETE
• Phase 20 (apply template) will call GET to pick a template, then read signatureFields to stamp fresh UUIDs at apply time
• No blockers. TypeScript compiles clean.

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Phase: 18-template-schema-and-crud-api Completed: 2026-04-06