indexing

type CacheEnjinFeature interface {
	NewCache(bucket string) (err error)
	Mounted(bucket, path string) (ok bool)
	Mount(bucket, mount, path string, mfs fs.FileSystem)
	Rebuild(bucket string) (ok bool)
	Lookup(bucket string, tag language.Tag, url string) (mount, path string, p *page.Page, err error)
	LookupTranslations(bucket, url string) (pgs []*page.Page)
	LookupRedirect(bucket, url string) (p *page.Page, ok bool)
	LookupPrefix(bucket, prefix string) (found []*page.Page)
	TotalCached(bucket string) (count uint64)
}

type KeywordProvider interface {
	KnownKeywords() (keywords []string)
	KeywordStubs(keyword string) (stubs fs.PageStubs)
}

type PageContextProvider interface {
	FindPageStub(shasum string) (stub *fs.PageStub)
	PageContextValuesCount(key string) (count uint64)
	PageContextValueCounts(key string) (counts map[interface{}]uint64)
	YieldPageContextValues(key string) (values chan interface{})
	YieldPageContextValueStubs(key string) (pairs chan *fs.ValueStubPair)
	YieldFilterPageContextValueStubs(include bool, key string, value interface{}) (pairs chan *fs.ValueStubPair)
	FilterPageContextValueStubs(include bool, key string, value interface{}) (stubs fs.PageStubs)
}

type PageIndexFeature interface {
	AddToIndex(stub *fs.PageStub, p *page.Page) (err error)
	RemoveFromIndex(tag language.Tag, file, shasum string)
}

type QueryIndexFeature interface {
	PerformQuery(input string) (stubs []*fs.PageStub, err error)
	PerformSelect(input string) (selected map[string]interface{}, err error)
}

type SearchDocumentMapperFeature interface {
	SearchDocumentMapping(tag language.Tag) (doctype string, dm *mapping.DocumentMapping)
	AddSearchDocumentMapping(tag language.Tag, indexMapping *mapping.IndexMappingImpl)
}

type SearchEnjinFeature interface {
	PrepareSearch(tag language.Tag, input string) (query string)
	PerformSearch(tag language.Tag, input string, size, pg int) (results *bleve.SearchResult, err error)
	AddToSearchIndex(stub *fs.PageStub, p *page.Page) (err error)
	RemoveFromSearchIndex(tag language.Tag, file, shasum string)
}