maaz519
b3afd44d00
Schema + migration for the template source table, and TemplateRepository.resolve: highest active version for (key,channel,locale), scoped override preferred over the global (scopeId NULL) default. Migration adds a PARTIAL unique index WHERE scopeId IS NULL so two platform defaults for the same key can't coexist (Postgres treats NULL as distinct under a plain UNIQUE — the scoped constraint alone wouldn't catch it). 6 tests. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
40 lines
1.8 KiB
SQL
40 lines
1.8 KiB
SQL
-- Reusable message templates (email/SMS/in-app). DB is runtime truth; platform defaults seeded
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-- from repo files on boot. Versions are immutable (a change = a new higher version).
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CREATE TYPE "IiosTemplateChannel" AS ENUM ('EMAIL', 'SMS', 'INTERNAL');
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CREATE TABLE "IiosMessageTemplate" (
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"id" TEXT NOT NULL,
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"scopeId" TEXT,
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"key" TEXT NOT NULL,
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"channel" "IiosTemplateChannel" NOT NULL,
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"locale" TEXT NOT NULL DEFAULT 'en',
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"version" INTEGER NOT NULL DEFAULT 1,
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"subject" TEXT,
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"bodyHtml" TEXT,
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"bodyText" TEXT,
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"variables" JSONB,
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"active" BOOLEAN NOT NULL DEFAULT true,
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"createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
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"updatedAt" TIMESTAMP(3) NOT NULL,
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CONSTRAINT "IiosMessageTemplate_pkey" PRIMARY KEY ("id")
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);
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ALTER TABLE "IiosMessageTemplate"
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ADD CONSTRAINT "IiosMessageTemplate_scopeId_fkey"
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FOREIGN KEY ("scopeId") REFERENCES "IiosScope"("id") ON DELETE CASCADE ON UPDATE CASCADE;
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-- Uniqueness for SCOPED rows (scopeId NOT NULL).
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CREATE UNIQUE INDEX "IiosMessageTemplate_scopeId_key_channel_locale_version_key"
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ON "IiosMessageTemplate" ("scopeId", "key", "channel", "locale", "version");
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-- Uniqueness for GLOBAL rows (scopeId IS NULL). Postgres treats NULL as distinct under a normal
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-- UNIQUE, so the constraint above does NOT stop two platform defaults for the same key — this
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-- partial index does. (Same footgun handled in the inbox idempotency migration.)
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CREATE UNIQUE INDEX "IiosMessageTemplate_global_key"
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ON "IiosMessageTemplate" ("key", "channel", "locale", "version")
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WHERE "scopeId" IS NULL;
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-- Resolution lookup: by key/channel/locale among active rows.
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CREATE INDEX "IiosMessageTemplate_key_channel_locale_active_idx"
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ON "IiosMessageTemplate" ("key", "channel", "locale", "active");
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