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func performIndexSearch(ctx context.Context, userQuery string, options *SearchOptions) ([]Item, map[string]RefinementCollection, error) {
index, err := search.Open(searchIndexName)
if err != nil {
return nil, nil, errors.Wrap(err, "Search Index Unavailable")
}
var keys []*datastore.Key
query := ""
searchFragments := strings.Split(userQuery, " ")
for _, fragment := range searchFragments {
var n int
n, err = strconv.Atoi(fragment)
if err == nil {
query = fmt.Sprintf("%s (Year > %d Year < %d) ", query, n-searchYearDelta, n+searchYearDelta)
} else {
query = fmt.Sprintf("%s ~%s", query, fragment)
}
}
if options != nil {
if itemType, ok := options.StringParameters[searchOptionType]; ok {
query = query + "ListingType: " + itemType
}
if profileID, ok := options.IntParameters[searchOptionProfileID]; ok {
query = query + "ProfileID: " + strconv.Itoa(profileID)
}
}
log.Debugf(ctx, "Final Query: %s", query)
iterator := index.Search(ctx, query, &search.SearchOptions{
IDsOnly: true,
Facets: []search.FacetSearchOption{
search.AutoFacetDiscovery(0, 0),
},
})
facets, err := iterator.Facets()
for t := iterator; ; {
var doc SearchableItem
id, sErr := t.Next(&doc)
if sErr == search.Done {
break
}
if sErr != nil {
return nil, nil, errors.Wrap(sErr, "Search Error")
}
intID, _ := strconv.Atoi(id)
if intID != 0 {
log.Debugf(ctx, "Appending ID %#v", id)
tmpKey := datastore.NewKey(ctx, kindItem, "", int64(intID), ancestorListingKey(ctx, kindItem))
keys = append(keys, tmpKey)
}
}
log.Debugf(ctx, "Facet Count %d", len(facets))
items := make([]Item, len(keys))
err = nds.GetMulti(ctx, keys, items)
if err != nil {
return nil, nil, errors.Wrap(err, "Get Multi on Search Results Failed")
}
items, refinements, err := enhanceAndRefineResults(ctx, items, keys, facets)
if err != nil {
return nil, nil, errors.Wrap(err, "Error occurred while producing search refinements")
}
return items, refinements, nil
}
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