ZDDC
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A new HTML tool — browse — that lists the contents of any directory.
Designed for ZDDC archives but no ZDDC-specific filtering; just a
straight folder browser with expand/collapse, sort, and name filter.
Modes (auto-detected at page load):
- Online: when served by zddc-server at a folder URL, queries
the same URL with Accept: application/json to load the listing
and renders it. Auto-served as the default at any directory
under ZDDC_ROOT without an index.html (replacing the previous
minimal-HTML stub from directory.go).
- Local: 'Select Directory' button uses FileSystemAccessAPI to
pick any folder on disk; works in Chromium-based browsers.
Features (Phase 1 — what's in this commit):
- Tree view with lazy-loaded folders (children fetched on first
expand).
- Sort by name / size / extension / date (column header click).
- Filter by name substring (toolbar input).
- File click opens in a new tab — for server-backed pages,
routes through zddc-server's normal handler so .archive
redirects + apps cascade overrides + ACL all apply.
Phase 2 deferred:
- ZIP files inline expansion (treat archive entries as virtual
children).
- File preview popup (reuse shared/preview-lib.js).
- Extension multi-select filter.
Wiring:
- browse/ added to top-level ./build's per-tool list, embed
block, versions.txt, and the lockstep release commit + tag set.
All seven tools (archive, transmittal, classifier, mdedit,
landing, form, browse) advance together on stable cuts.
- shared/build-lib.sh: browse added to ZDDC_RELEASE_TOOLS and
verify_channel_links's per-tool loop.
- zddc/internal/apps/embed.go: //go:embed browse.html +
EmbeddedBytes("browse") case.
- zddc/internal/apps/availability.go: browse available at every
directory (same as archive).
- zddc/internal/apps/handler.go: MatchAppHTML routes
/<dir>/browse.html → 'browse'.
- zddc/internal/handler/directory.go: when a directory request
arrives with Accept: text/html and no index.html exists,
serve the embedded browse.html bytes (with a JSON-fallback
if the embedded slot is empty during bootstrap).
58 lines
1.5 KiB
Go
58 lines
1.5 KiB
Go
package apps
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import _ "embed"
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// Embedded fallback: the five tool HTMLs from the time the binary was
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// built. Used as a last-resort served-bytes when (cache miss) AND
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// (upstream unreachable) AND (no operator override) — see handler.go.
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//
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// The files are populated by the top-level build.sh, which copies the
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// freshly-built dist/<tool>.html into ./embedded/ before `go build` runs.
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// Empty placeholder files are checked in so the package compiles when no
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// build has been run yet (CI bootstrap, fresh clone, etc.); at runtime an
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// empty embedded body is treated as "no embedded fallback available."
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//go:embed embedded/archive.html
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var embeddedArchive []byte
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//go:embed embedded/transmittal.html
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var embeddedTransmittal []byte
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//go:embed embedded/classifier.html
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var embeddedClassifier []byte
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//go:embed embedded/mdedit.html
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var embeddedMdedit []byte
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//go:embed embedded/index.html
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var embeddedLanding []byte
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//go:embed embedded/browse.html
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var embeddedBrowse []byte
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// EmbeddedBytes returns the embedded HTML for app, or nil if either app is
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// not one of the canonical names or the embedded slot is empty (no build
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// has populated it).
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func EmbeddedBytes(app string) []byte {
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var b []byte
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switch app {
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case "archive":
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b = embeddedArchive
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case "transmittal":
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b = embeddedTransmittal
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case "classifier":
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b = embeddedClassifier
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case "mdedit":
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b = embeddedMdedit
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case "landing":
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b = embeddedLanding
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case "browse":
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b = embeddedBrowse
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default:
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return nil
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}
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if len(b) == 0 {
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return nil
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}
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return b
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}
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