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https://github.com/opencloud-eu/opencloud.git
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Dominik Schmidt
094baab7be
scope: takes an opaque resource id, which is hostile to hand-written queries. Accept driveId:"<storage$space>" as a regular KQL field instead: it resolves to the indexed RootID, and a bare drive id is completed to the root resource id (a space root's opaque id is its space id). Full root ids pass through untouched. Combined with path: this gives a readable location scope without any token stripping: both are plain fields, so they compose with groups, OR and NOT like everything else.
105 lines
3.1 KiB
Go
105 lines
3.1 KiB
Go
package query
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import (
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"reflect"
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"strings"
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"sync"
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"github.com/opencloud-eu/opencloud/services/search/pkg/mapping"
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"github.com/opencloud-eu/opencloud/services/search/pkg/search"
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)
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// aliases are KQL spellings the derived index can't produce (fields are plural).
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var aliases = map[string]string{
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"tag": "Tags",
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"favorite": "Favorites",
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"driveid": "RootID",
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}
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// fieldIndex maps a lowercased KQL key to its canonical field name ("" is the
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// bare-search default).
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var fieldIndex = sync.OnceValue(func() map[string]string {
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idx := mapping.FieldNameIndex(reflect.TypeFor[search.Resource](), search.Resource{}.SearchFieldOverrides())
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for k, v := range aliases {
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idx[k] = v
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}
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idx[""] = idx["name"]
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return idx
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})
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// siblingFields lists which search siblings every field carries, from the
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// resource struct and its overrides.
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var siblingFields = sync.OnceValue(func() map[string]mapping.Siblings {
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return mapping.SearchSiblings(reflect.TypeFor[search.Resource](), search.Resource{}.SearchFieldOverrides())
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})
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// pathFields are hierarchical path fields (TypePath), derived from the overrides.
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var pathFields = sync.OnceValue(func() map[string]struct{} {
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out := map[string]struct{}{}
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for field, opts := range (search.Resource{}).SearchFieldOverrides() {
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if opts.Type == mapping.TypePath {
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out[field] = struct{}{}
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}
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}
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return out
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})
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// fulltextFields are analyzed full-text fields (TypeFulltext), derived from the
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// overrides.
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var fulltextFields = sync.OnceValue(func() map[string]struct{} {
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out := map[string]struct{}{}
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for field, opts := range (search.Resource{}).SearchFieldOverrides() {
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if opts.Type == mapping.TypeFulltext {
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out[field] = struct{}{}
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}
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}
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return out
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})
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// ResolveField maps a KQL key to its canonical field name; unknown keys pass through.
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func ResolveField(name string) string {
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if v, ok := fieldIndex()[strings.ToLower(name)]; ok {
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return v
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}
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return name
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}
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// normalizedValueFields have their stored values normalized to lowercase at
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// index time, so query values fold to match even though the fields themselves
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// are case-preserved keywords.
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var normalizedValueFields = map[string]struct{}{
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"MimeType": {},
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"Type": {},
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"Hidden": {},
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}
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// FieldValueIsNormalized reports whether a field's stored values are
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// normalized lowercase.
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func FieldValueIsNormalized(field string) bool {
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_, ok := normalizedValueFields[field]
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return ok
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}
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// FieldIsCaseInsensitive reports whether a field's default search is case-insensitive.
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func FieldIsCaseInsensitive(field string) bool {
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return siblingFields()[field].Lowercase
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}
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// FieldIsPath reports whether a field is a hierarchical path field.
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func FieldIsPath(field string) bool {
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_, ok := pathFields()[field]
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return ok
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}
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// FieldIsFulltext reports whether a field is an analyzed full-text field.
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func FieldIsFulltext(field string) bool {
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_, ok := fulltextFields()[field]
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return ok
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}
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// FieldIsWordBroken reports whether a field is split into words, so a value
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// without a wildcard matches it as a phrase of those words instead of as a whole.
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func FieldIsWordBroken(field string) bool {
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return siblingFields()[field].Words
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}
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