🐛 Fixed dropped newsletter recipients when batch creation is interrupted - #30230
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🪛 ast-grep (0.45.1)ghost/core/core/server/services/email-service/batch-sending-service.js[warning] 342-342: Avoid logging sensitive data (log-sensitive-data) [warning] 405-405: Avoid logging sensitive data (log-sensitive-data) [warning] 437-439: Avoid logging sensitive data (log-sensitive-data) [warning] 472-474: Avoid logging sensitive data (log-sensitive-data) 🔇 Additional comments (13)
WalkthroughThe email service now reconciles existing batches through Suggested reviewers: Merge Risk: ⚪ Minimal · up to The change resumes interrupted newsletter batching and preserves recipient counts; no actionable merge-blocking risk remains based on the supplied evidence. 🚥 Pre-merge checks | ✅ 5 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (5 passed)
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☁️ Nx Cloud last updated this comment at 2026-08-24 20:16:02 UTC
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Actionable comments posted: 1
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Inline comments:
In `@ghost/core/core/server/services/email-service/batch-sending-service.js`:
- Around line 444-453: Track the complete createBatches or sendEmail operation
in the shutdown drain used by onShutdown, including coverage lookup, member
lookup, and batch creation, so shutdown awaits pending creation before exiting.
Preserve the existing batch-boundary guard and shutdown error behavior, and add
a shutdown test using an unresolved creation database call to verify the
operation remains tracked until it settles.
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ghost/core/core/server/services/email-service/batch-sending-service.jsghost/core/test/unit/server/services/email-service/batch-sending-service.test.jsghost/core/test/unit/server/services/email-service/utils/index.ts
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**/*.{ts,tsx}
📄 CodeRabbit inference engine (Custom checks)
**/*.{ts,tsx}: Type-safe boundaries: Fail only if the PR:
- consumes boundary data (HTTP input, external API/SDK responses, env/config,
DB/filesystem reads, queue/webhook/event payloads) without validating it
first — Zod by default, another format only where an external contract
requires it; or- introduces
any, uncheckedas,@ts-nocheck, or@ts-ignoreto bypass
typing boundary data; or- hand-writes a type duplicating a shape a Zod schema describes (use z.infer).
Never fail for: internal function/module calls (no runtime validation needed),
pre-existing JS files touched incidentally, tests, scripts, or config files.
Files:
ghost/core/test/unit/server/services/email-service/utils/index.ts
**/*
📄 CodeRabbit inference engine (AGENTS.md)
Always use
pnpm, never npm or Yarn.
Files:
ghost/core/test/unit/server/services/email-service/utils/index.tsghost/core/core/server/services/email-service/batch-sending-service.jsghost/core/test/unit/server/services/email-service/batch-sending-service.test.js
⚙️ CodeRabbit configuration file
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Files:
ghost/core/test/unit/server/services/email-service/utils/index.tsghost/core/core/server/services/email-service/batch-sending-service.jsghost/core/test/unit/server/services/email-service/batch-sending-service.test.js
**/*.{ts,tsx,mts,cts}
⚙️ CodeRabbit configuration file
**/*.{ts,tsx,mts,cts}: Review lens: "where does this data become trusted?"
- Boundary data (HTTP input, external API/SDK responses, env/config,
DB/filesystem reads, queue/webhook/event payloads) isunknownuntil
validated — Zod by default.- Infer boundary types via z.infer/z.input; flag handwritten duplicates.
- Flag
any, uncheckedason boundary data,@ts-nocheck, and unexplained
@ts-ignore/@ts-expect-error.- Validated data stays trusted: don't request Zod on internal calls, and flag
redundant re-validation.- ghost/core golden path: schema.ts owns Zod schemas + inferred types, with
codec/serializer modules at the edges (see core/server/services/gift-links).- Looser typing in tests is fine unless it hides a real defect.
Files:
ghost/core/test/unit/server/services/email-service/utils/index.ts
**/*.{js,jsx,cjs,mjs}
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**/*.{js,jsx,cjs,mjs}: New files are TypeScript: Fail if the PR adds a new .js/.jsx/.cjs/.mjs source file, unless it is: a DB
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a tool/config file, under scripts/ or docker/, or generated/vendored code.
Modifying pre-existing JS files never fails this check.
Files:
ghost/core/core/server/services/email-service/batch-sending-service.jsghost/core/test/unit/server/services/email-service/batch-sending-service.test.js
⚙️ CodeRabbit configuration file
**/*.{js,jsx,cjs,mjs}: New source files must be TypeScript: flag new JS files as a required change
unless exempt (DB migrations, apps/ember-admin/, tool/config files, scripts/,
docker/, generated code).
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ghost/core/core/server/services/email-service/batch-sending-service.jsghost/core/test/unit/server/services/email-service/batch-sending-service.test.js
ghost/core/core/server/services/**/*
📄 CodeRabbit inference engine (AGENTS.md)
ghost/core/core/server/services/**/*: Boot owns service initialization; do not
initialize on the first request.
Files:
ghost/core/core/server/services/email-service/batch-sending-service.js
ghost/core/core/server/services/**
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ghost/core/test/unit/server/services/email-service/batch-sending-service.test.js
🪛 ast-grep (0.45.1)
ghost/core/core/server/services/email-service/batch-sending-service.js
[warning] 387-387: Avoid logging sensitive data
Context: logging.info(Creating batches for email ${email.id})
Note: [CWE-532] Insertion of Sensitive Information into Log File.
(log-sensitive-data)
[warning] 419-421: Avoid logging sensitive data
Context: logging.info(
Resuming batch creation for email ${email.id}: ${totalCount} recipient(s) across ${coverage.size} segment(s) already built,
)
Note: [CWE-532] Insertion of Sensitive Information into Log File.
(log-sensitive-data)
[warning] 454-456: Avoid logging sensitive data
Context: logging.info(
Fetching members batch for email ${email.id} segment ${segment}, lastId: ${lastId},
)
Note: [CWE-532] Insertion of Sensitive Information into Log File.
(log-sensitive-data)
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no ref If a container restarted while an email's batches were still being built, the next run treated the partial batch set as complete: sendEmail skipped createBatches whenever any batches already existed, silently abandoning the un-built tail of recipients. The email was then marked submitted with an email_count reflecting the pre-send estimate, so recipients below the interruption point were never batched or sent. createBatches is now idempotent. It reads the coverage a prior run already built (per segment: recipient count and the lowest built member id) and resumes each segment below that watermark, so re-running builds only the un-built tail and never duplicates. sendEmail always reconciles instead of skipping, and totalCount is seeded from existing coverage so the domain-warmup split and the email_count correction stay accurate. Batch creation also now aborts at a batch boundary on shutdown, mirroring the send loop, leaving a consistent partial that resumes on the next boot.
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Codecov Report❌ Patch coverage is
Additional details and impacted files@@ Coverage Diff @@
## main #30230 +/- ##
=======================================
Coverage 75.33% 75.33%
=======================================
Files 1638 1638
Lines 155403 155473 +70
Branches 18700 18705 +5
=======================================
+ Hits 117080 117133 +53
- Misses 37319 37358 +39
+ Partials 1004 982 -22
Flags with carried forward coverage won't be shown. Click here to find out more. ☔ View full report in Codecov by Harness. 🚀 New features to boost your workflow:
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no ref
If a container restarted while an email's batches were still being built, the next run treated the partial batch set as complete: sendEmail skipped createBatches whenever any batches already existed, silently abandoning the un-built tail of recipients. The email was then marked submitted with an email_count reflecting the pre-send estimate, so recipients below the interruption point were never batched or sent.
createBatches is now idempotent. It reads the coverage a prior run already built (per segment: recipient count and the lowest built member id) and resumes each segment below that watermark, so re-running builds only the un-built tail and never duplicates. sendEmail always reconciles instead of skipping, and totalCount is seeded from existing coverage so the domain-warmup split and the email_count correction stay accurate. Batch creation also now aborts at a batch boundary on shutdown, mirroring the send loop, leaving a consistent partial that resumes on the next boot.