Added 1-click export mockup behind a labs flag - #29915
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`@apps/admin/src/settings/app/components/settings/advanced/migration-tools/export-all-modal.tsx`:
- Around line 63-69: Update handleOpenChange to store the delayed
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apps/admin/src/settings/advanced/migration-tools-export.acceptance.test.tsxapps/admin/src/settings/app/components/settings/advanced/labs/private-features.tsxapps/admin/src/settings/app/components/settings/advanced/migration-tools/export-all-modal.tsxapps/admin/src/settings/app/components/settings/advanced/migration-tools/migration-tools-export.tsxghost/core/core/shared/labs.js
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ref https://linear.app/ghost/issue/GVA-921/1-click-export-uxui Static UX/UI mockup for the one-click data export direction, so the flow can be experienced in context and discussed before any backend work is committed to. Behind the new private selfServeArchives flag; with the flag off, the existing export buttons are untouched. With the flag on, the individual export buttons are replaced by a single "Export data" dialog with per-component checkboxes. The dialog adapts to the delivery mode the implementation plan proposes: - a host archive URL configured (e.g. Ghost(Pro)): media files are offered and the confirmation explains the download link arrives by email, since the host builds the full archive in the background - no host configured (self-hosters): media is not offered (with a docs link explaining how to get it) and the flow simulates a synchronous zip download, including a mock downloaded file so the browser's own save behaviour can be evaluated Nothing is wired to a backend: the mode comes from config, but confirming an export only advances the mocked dialog states.
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closes https://linear.app/ghost/issue/GVA-917 Implements the sync delivery mode of the one-click data export, building on the mockup that landed in #29915 and the four behaviour-preserving refactors below this PR in the stack. With the `selfServeArchives` labs flag on, "Export data" now really downloads a full site archive: `GET /ghost/api/admin/exports/download/` streams one zip composed of content JSON, members CSV, post analytics CSV, per-theme zips, and routes/redirects — everything except media, which stays reserved for the host (async) mode that isn't part of this PR (its dialog branch remains mocked). ## How the zip is composed The orchestrator calls the same services the five standalone export endpoints call — no HTTP self-calls, no background jobs, no duplicated controller logic: ```mermaid flowchart LR UI["Export data dialog"] -- "GET /exports/download/?components=…" --> C["exports controller"] C --> SE["SiteExporter (services/exports)"] SE -- "membersService.export({limit:'all'})" --> M["members.csv"] SE -- "postsService.export({limit:'all'})" --> A["post-analytics.csv"] SE -- "doExport()" --> J["export.json"] SE -- "themeStorage.zipToFile()" --> T["themes/{name}.zip"] SE -- "routeSettings / customRedirects" --> R["routes.yaml + redirects.yaml"] M & A & J & T & R --> Z["archiver zip → streamed response"] ``` Decisions worth reviewing: - **Streamed, not staged.** The zip pipes to the response while it's built, so memory stays flat and the download starts immediately. The price is failure semantics: once headers are sent, a component that fails to acquire can only be skipped (it's logged server-side and simply absent from the bundle). A mid-stream failure of a CSV source deliberately destroys the archive — a visibly broken download beats a silently incomplete one — and stream lifecycles are tied together in both directions so a dropped DB connection can't hang the response and a client disconnect can't pin a DB connection or leak staged temp files. - **Restorable artifacts.** `export.json` is byte-identical to the `/db/` download and themes are the exact zips the theme upload accepts, so every piece of the bundle restores through existing import surfaces — proven by a round-trip e2e test that re-imports each artifact through the real import endpoints. - **Permissions reuse `db.exportContent`** (Owner/Administrator only) instead of minting a new permission + migration: a site export contains everything a database export contains, so the same gate applies — and it's a superset of every composed component's own requirement. - **Flag-only gating.** The feature stays behind the `selfServeArchives` labs flag, and that flag is the whole gate — no config capability signal for deploy skew at this stage. If the flag graduates, feature detection can come back with the GA work. - **The dialog downloads through the fetch-based blob helper** rather than a plain navigation: a navigation download is unobservable from the page, which would leave the dialog stuck on "Preparing your export…" forever and swallow errors. The blob approach gives a real "Export downloaded" state, error feedback with retry, and a working Cancel (AbortController). Browsers back large blobs with disk, so the zip doesn't have to fit in tab memory. - **`archiver` becomes a direct dependency** of ghost/core, but adds no new code to the tree: `@tryghost/zip` already pins the same `archiver@8.0.0` internally, and its own file-based `compress`/`extract` API can't stream a zip into an HTTP response. ## Testing it locally 1. `pnpm dev`, then in Ghost Admin enable **Settings → Labs → Private features → Self-serve archives** (developer experiments must be on). 2. Go to **Settings → Import/Export → Export** — the individual export buttons are replaced by one **Export data** button. 3. Pick components and hit Export: the dialog shows "Preparing your export…" with a working Cancel, and flips to "Export downloaded" when the zip lands in your downloads. 4. Restore-compatibility: the zip's `export.json` imports via the universal importer, `members.csv` via the members importer, `themes/*.zip` via theme upload, `routes.yaml`/`redirects.yaml` via their uploads. 5. With the flag off, the Export tab is byte-identical to `main`. ## Automated tests - `SiteExporter` unit tests cover the failure paths: component skipping, partial themes, mid-stream teardown, client-abort cleanup. - E2E tests are split across two files by necessity: the 4xx cases (validation, labs gate, permissions) use the in-process agent, while the actual downloads run over real HTTP like the theme download tests — the in-process agent's mock socket never signals `drain`, deadlocking any streamed body larger than the write buffer. - The download test seeds more posts than the posts exporter's default page cap, guarding against silent truncation (an unlimited export once defaulted to 15 posts). - A round-trip e2e test re-imports every artifact through the real import endpoints, so format drift fails CI instead of surfacing as a broken restore. - Admin acceptance tests cover both dialog modes, component selection, and the download-complete and download-failed states.
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closes https://linear.app/ghost/issue/GVA-921/
ref https://linear.app/ghost/project/self-serve-archives-bd3a8920c136
Static UX/UI mockup of the one-click data export flow, behind a new private labs flag (
selfServeArchives). Will be wired up in follow-up PRsAsync flow (includes media assets)
Sync flow (no media assets)