Files
artifactapi/internal/provider/provider.go
T
unkinben 3a6721c2a7
ci/woodpecker/tag/docker Pipeline was successful
refactor: modular local provider interfaces (#52)
## Summary
Move package-type-specific local repo logic out of centralized handlers into provider packages via optional Go interfaces.

**New interfaces in `provider` package:**
- \`LocalUploader\`: \`ValidateUpload(filePath) → (storagePath, contentType, error)\` + \`UploadResponse(...)\`
- \`LocalIndexer\`: \`ServeLocalIndex(w, r, files, repoName, path) → bool\` + \`GenerateLocalIndex(ctx, files, repoName, path) → ([]byte, error)\`
- \`FileStore\`: \`ListFilesByPrefix\` + \`ListPackages\` (implemented by database.DB)

**Providers implement these interfaces:**
- PyPI: upload validation (wheel/sdist naming), simple index serving + generation
- Terraform: upload validation (provider zip naming), mirror protocol serving

**Handlers simplified to generic dispatch:**
- \`local.go\`: type-asserts to \`LocalUploader\`, falls back to generic upload
- \`proxy.go\`: type-asserts to \`LocalIndexer\`, falls back to raw file serving
- \`engine.go\`: type-asserts to \`LocalIndexer\` for local virtual members

Adding a new local repo type (e.g. RPM) = implement the interfaces in its provider package. Zero handler changes.

## Test plan
- [x] Build + unit tests pass
- [x] E2E: PyPI local upload → simple index → uv pip install (smoke test after refactor)

Reviewed-on: #52
Co-authored-by: Ben Vincent <ben@unkin.net>
Co-committed-by: Ben Vincent <ben@unkin.net>
2026-06-23 22:56:25 +10:00

73 lines
1.7 KiB
Go

package provider
import (
"context"
"fmt"
"net/http"
"git.unkin.net/unkin/artifactapi/pkg/models"
)
type Mutability int
const (
Immutable Mutability = iota
Mutable
)
type Provider interface {
Type() models.PackageType
Classify(path string) Mutability
ContentType(path string) string
UpstreamURL(remote models.Remote, path string) string
RewriteResponse(body []byte, remote models.Remote, proxyBaseURL string) ([]byte, error)
AuthHeaders(ctx context.Context, remote models.Remote) (http.Header, error)
}
type FileEntry struct {
FilePath string
ContentHash string
}
type FileStore interface {
ListFilesByPrefix(ctx context.Context, repoName, prefix string) ([]FileEntry, error)
ListPackages(ctx context.Context, repoName string) ([]string, error)
}
type LocalUploader interface {
ValidateUpload(filePath string) (storagePath, contentType string, err error)
UploadResponse(storagePath, contentHash string, sizeBytes int64) map[string]any
}
type LocalIndexer interface {
ServeLocalIndex(w http.ResponseWriter, r *http.Request, files FileStore, repoName, path string) bool
GenerateLocalIndex(ctx context.Context, files FileStore, repoName, path string) ([]byte, error)
}
type IndexMerger interface {
MergeIndexes(members []MemberIndex, proxyBaseURL string) ([]byte, error)
}
type MemberIndex struct {
RemoteName string
Body []byte
}
var registry = map[models.PackageType]Provider{}
func Register(p Provider) {
registry[p.Type()] = p
}
func Get(t models.PackageType) (Provider, error) {
p, ok := registry[t]
if !ok {
return nil, fmt.Errorf("no provider registered for package type %q", t)
}
return p, nil
}
func All() map[models.PackageType]Provider {
return registry
}