diff --git a/main.go b/main.go index 5903ae4..e2d27b5 100644 --- a/main.go +++ b/main.go @@ -3,31 +3,33 @@ package main import ( "context" "fmt" + "log" "net/http" - "log" "github.com/fiatjaf/eventstore/badger" "github.com/fiatjaf/khatru" "github.com/nbd-wtf/go-nostr" ) -var typesense string = "http://localhost:8108" +const ( + apiKey string = "xyz" + typesenseHost string = "http://localhost:8108" + collectionName string = "amb-test" +) func main() { - fmt.Println("Hello, Go!") - - err:= CheckOrCreateCollection("amb-test") - if err != nil { + err := CheckOrCreateCollection("amb-test") + if err != nil { log.Fatalf("Failed to check/create collection: %v", err) } relay := khatru.NewRelay() - relay.Info.Name = "my relay" - // relay.Info.PubKey = "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798" - relay.Info.Description = "this is my custom relay" - // relay.Info.Icon = "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fliquipedia.net%2Fcommons%2Fimages%2F3%2F35%2FSCProbe.jpg&f=1&nofb=1&ipt=0cbbfef25bce41da63d910e86c3c343e6c3b9d63194ca9755351bb7c2efa3359&ipo=images" - db := badger.BadgerBackend{Path: "/tmp/khatru-badgern-tmp"} - if err := db.Init(); err != nil { + relay.Info.Name = "my typesense relay" + // tsRelay.Info.PubKey = "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798" + relay.Info.Description = "this is the typesense custom relay" + // tsRelay.Info.Icon = "https://external-content.duckduckgo.com/iu/?u=https%3A%2F%2Fliquipedia.net%2Fcommons%2Fimages%2F3%2F35%2FSCProbe.jpg&f=1&nofb=1&ipt=0cbbfef25bce41da63d910e86c3c343e6c3b9d63194ca9755351bb7c2efa3359&ipo=images" + dbts := badger.BadgerBackend{Path: "/tmp/khatru-badgern-tmp-2"} + if err := dbts.Init(); err != nil { panic(err) } @@ -35,28 +37,47 @@ func main() { khatru.RequestAuth(ctx) }) - relay.StoreEvent = append(relay.StoreEvent, db.SaveEvent, handleEvent) - relay.QueryEvents = append(relay.QueryEvents, db.QueryEvents, handleQuery) - relay.CountEvents = append(relay.CountEvents, db.CountEvents) - relay.DeleteEvent = append(relay.DeleteEvent, db.DeleteEvent) - relay.ReplaceEvent = append(relay.ReplaceEvent, db.ReplaceEvent) + relay.StoreEvent = append(relay.StoreEvent) + relay.QueryEvents = append(relay.QueryEvents, handleQuery) + relay.CountEvents = append(relay.CountEvents, dbts.CountEvents) + relay.DeleteEvent = append(relay.DeleteEvent, dbts.DeleteEvent) + relay.ReplaceEvent = append(relay.ReplaceEvent, dbts.ReplaceEvent, handleEvent) // use badger for counting events -> TODO switch to typesense? relay.Negentropy = true + relay.RejectEvent = append(relay.RejectEvent, + func(ctx context.Context, event *nostr.Event) (reject bool, msg string) { + if event.Kind != 30142 { + return true, "we don't allow these kinds here. It's a 30142 only place." + } + return false, "" + }, + ) + fmt.Println("running on :3334") http.ListenAndServe(":3334", relay) } func handleEvent(ctx context.Context, event *nostr.Event) error { - fmt.Println("got one", event) - // TODO index md-event + IndexNostrEvent(collectionName, event) return nil } func handleQuery(ctx context.Context, filter nostr.Filter) (chan *nostr.Event, error) { - ch := make(chan *nostr.Event) - // TODO do stuff with search nips and look for an edufeed or amb something in the tags - fmt.Println("a query!", filter) + ch := make(chan *nostr.Event) - return ch, nil + nostrs, err := SearchResources(collectionName, filter.Search) + if err != nil { + log.Printf("Search failed: %v", err) + return ch, err + } + + go func() { + for _, evt := range nostrs { + ch <- &evt + } + close(ch) + }() + + return ch, nil } diff --git a/nostramb.go b/nostramb.go new file mode 100644 index 0000000..6d92570 --- /dev/null +++ b/nostramb.go @@ -0,0 +1,326 @@ +package main + +import ( + "encoding/json" + + "github.com/nbd-wtf/go-nostr" +) + +// BaseEntity contains common fields used across many entity types +type BaseEntity struct { + Type string `json:"type,omitempty"` + ID string `json:"id,omitempty"` + Name string `json:"name,omitempty"` +} + +type ControlledVocabulary struct { + Type string `json:"type,omitempty"` + ID string `json:"id"` + PrefLabel string `json:"prefLabel"` + InLanguage string `json:"inLanguage,omitempty"` +} + +// LanguageEntity adds language support to entities +type LanguageEntity struct { + InLanguage string `json:"inLanguage,omitempty"` +} + +// LabeledEntity adds prefLabel to entities +type LabeledEntity struct { + PrefLabel string `json:"prefLabel,omitempty"` +} + +// About represents a topic or subject +type About struct { + ControlledVocabulary +} + +// Creator represents the creator of content +type Creator struct { + BaseEntity + Affiliation *Affiliation `json:"affiliation,omitempty"` + HonoricPrefix string `json:"honoricPrefix,omitempty"` +} + +// Contributor represents someone who contributed to the content +type Contributor struct { + BaseEntity + HonoricPrefix string `json:"honoricPrefix,omitempty"` +} + +// Publisher represents the publisher of the content +type Publisher struct { + BaseEntity +} + +// Funder represents an entity that funded the content +type Funder struct { + BaseEntity +} + +// Affiliation represents an organization affiliation +type Affiliation struct { + BaseEntity +} + +// ConditionsOfAccess represents access conditions +type ConditionsOfAccess struct { + ControlledVocabulary +} + +// LearningResourceType categorizes the learning resource +type LearningResourceType struct { + ControlledVocabulary +} + +// Audience represents the target audience +type Audience struct { + ControlledVocabulary +} + +// Teaches represents what the content teaches +type Teaches struct { + ID string `json:"id"` + LabeledEntity + LanguageEntity +} + +// Assesses represents what the content assesses +type Assesses struct { + ID string `json:"id"` + LabeledEntity + LanguageEntity +} + +// CompetencyRequired represents required competencies +type CompetencyRequired struct { + ID string `json:"id"` + LabeledEntity + LanguageEntity +} + +// EducationalLevel represents the educational level +type EducationalLevel struct { + ControlledVocabulary +} + +// InteractivityType represents the type of interactivity +type InteractivityType struct { + ControlledVocabulary +} + +// IsBasedOn represents a reference to source material +type IsBasedOn struct { + Type string `json:"type,omitempty"` + Name string `json:"name"` + Creator *Creator `json:"creator,omitempty"` + License *License `json:"license,omitempty"` +} + +// IsPartOf represents a parent relationship +type IsPartOf struct { + BaseEntity +} + +type HasPart struct { + BaseEntity +} + +// Trailer represents a media trailer +type Trailer struct { + Type string `json:"type"` + ContentUrl string `json:"contentUrl"` + EncodingFormat string `json:"encodingFormat"` + ContentSize string `json:"contentSize,omitempty"` + Sha256 string `json:"sha256,omitempty"` + EmbedUrl string `json:"embedUrl,omitempty"` + Bitrate string `json:"bitrate,omitempty"` +} + +// License represents the content license +type License struct { + ID string `json:"id"` + Name string `json:"name,omitempty"` +} + +// NostrMetadata contains Nostr-specific metadata +type NostrMetadata struct { + EventID string `json:"eventID"` + EventKind int `json:"eventKind"` + EventPubKey string `json:"eventPubKey"` + EventSig string `json:"eventSignature"` + EventCreatedAt nostr.Timestamp `json:"eventCreatedAt"` + EventContent string `json:"eventContent"` + EventRaw string `json:"eventRaw"` +} + +// AMBMetadata represents the full metadata structure +type AMBMetadata struct { + // Document ID, same a d-tag + ID string `json:"id"` + D string `json:"d"` + Type string `json:"type"` + Name string `json:"name"` + Description string `json:"description,omitempty"` + About []*About `json:"about,omitempty"` + Keywords []string `json:"keywords,omitempty"` + InLanguage []string `json:"inLanguage,omitempty"` + Image string `json:"image,omitempty"` + Trailer []*Trailer `json:"trailer,omitempty"` + + // Provenience + Creator []*Creator `json:"creator,omitempty"` + Contributor []*Contributor `json:"contributor,omitempty"` + DateCreated string `json:"dateCreated,omitempty"` + DatePublished string `json:"datePublished,omitempty"` + DateModified string `json:"dateModified,omitempty"` + Publisher []*Publisher `json:"publisher,omitempty"` + Funder []*Funder `json:"funder,omitempty"` + + // Costs and Rights + IsAccessibleForFree bool `json:"isAccessibleForFree,omitempty"` + License *License `json:"license,omitempty"` + ConditionsOfAccess *ConditionsOfAccess `json:"conditionsOfAccess,omitempty"` + + // Educational metadata + LearningResourceType []*LearningResourceType `json:"learningResourceType,omitempty"` + Audience []*Audience `json:"audience,omitempty"` + Teaches []*Teaches `json:"teaches,omitempty"` + Assesses []*Assesses `json:"assesses,omitempty"` + CompetencyRequired []*CompetencyRequired `json:"competencyRequired,omitempty"` + EducationalLevel []*EducationalLevel `json:"educationalLevel,omitempty"` + InteractivityType *InteractivityType `json:"interactivityType,omitempty"` + + // Relation + IsBasedOn []*IsBasedOn `json:"isBasedOn,omitempty"` + IsPartOf []*IsPartOf `json:"isPartOf,omitempty"` + HasPart []*HasPart `json:"hasPart,omitempty"` + + // Technical + Duration string `json:"duration,omitempty"` + // TODO Encoding `` + // TODO Caption + + // Nostr integration + NostrMetadata `json:",inline"` +} + +// converts a nostr event to stringified JSON +func eventToStringifiedJSON(event *nostr.Event) (string, error) { + jsonData, err := json.Marshal(event) + if err != nil { + return "", err + } + + jsonString := string(jsonData) + return jsonString, err +} + +// NostrToAMB converts a Nostr event of kind 30142 to AMB metadata +func NostrToAMB(event *nostr.Event) (*AMBMetadata, error) { + eventRaw, _ := eventToStringifiedJSON(event) + + amb := &AMBMetadata{ + Type: "LearningResource", + NostrMetadata: NostrMetadata{ + EventID: event.ID, + EventPubKey: event.PubKey, + EventContent: event.Content, + EventCreatedAt: event.CreatedAt, + EventKind: event.Kind, + EventSig: event.Sig, + EventRaw: eventRaw, + }, + } + + for _, tag := range event.Tags { + if len(tag) < 2 { + continue + } + + // TODO alle Attribute durchgehen für das parsen + switch tag[0] { + case "d": + if len(tag) >= 2 { + amb.ID = tag[1] + amb.D = tag[1] + } + case "name": + if len(tag) >= 2 { + amb.Name = tag[1] + } + case "description": + if len(tag) >= 2 { + amb.Description = tag[1] + } + case "creator": + if len(tag) >= 2 { + creator := &Creator{} + creator.Name = tag[1] + if len(tag) >= 3 { + creator.ID = tag[2] + } + if len(tag) >= 4 { + creator.Type = tag[3] + } + + amb.Creator = append(amb.Creator, creator) + } + case "image": + if len(tag) >= 2 { + amb.Image = tag[1] + } + case "about": + if len(tag) >= 3 { + subject := &About{} + subject.PrefLabel = tag[1] + subject.InLanguage = tag[2] + if len(tag) >= 4 { + subject.ID = tag[3] + } + amb.About = append(amb.About, subject) + } + case "learningResourceType": + if len(tag) >= 3 { + lrt := &LearningResourceType{} + lrt.PrefLabel = tag[1] + lrt.InLanguage = tag[2] + if len(tag) >= 4 { + lrt.ID = tag[3] + } + amb.LearningResourceType = append(amb.LearningResourceType, lrt) + } + case "inLanguage": + if len(tag) >= 2 { + amb.InLanguage = append(amb.InLanguage, tag[1]) + } + case "keywords": + if len(tag) >= 2 { + amb.Keywords = tag[1:] + } + case "license": + if len(tag) >= 3 { + amb.License = &License{} + amb.License.ID = tag[1] + amb.License.Name = tag[2] + + } + case "datePublished": + if len(tag) >= 2 { + amb.DatePublished = tag[1] + } + } + } + + return amb, nil +} + +// converts a stringified JSON event to a nostr.Event +func StringifiedJSONToNostrEvent(jsonString string) (nostr.Event, error) { + var event nostr.Event + err := json.Unmarshal([]byte(jsonString), &event) + if err != nil { + return nostr.Event{}, err + } + return event, nil +} diff --git a/typesense.go b/typesense.go index b27b3d8..e9bca97 100644 --- a/typesense.go +++ b/typesense.go @@ -7,18 +7,18 @@ import ( "io" "log" "net/http" -) + "net/url" + "regexp" + "strings" -const ( - typesenseHost = "http://localhost:8108" - apiKey = "xyz" - // collectionName = "amb-test" + "github.com/nbd-wtf/go-nostr" ) type CollectionSchema struct { Name string `json:"name"` Fields []Field `json:"fields"` DefaultSortingField string `json:"default_sorting_field"` + EnableNestedFields bool `json:"enable_nested_fields"` } type Field struct { @@ -28,6 +28,13 @@ type Field struct { Optional bool `json:"optional,omitempty"` } +type SearchResponse struct { + Found int `json:"found"` + Hits []map[string]interface{} `json:"hits"` + Page int `json:"page"` + Request map[string]interface{} `json:"request"` +} + // CheckOrCreateCollection checks if a collection exists and creates it if it doesn't func CheckOrCreateCollection(collectionName string) error { exists, err := collectionExists(collectionName) @@ -45,7 +52,7 @@ func CheckOrCreateCollection(collectionName string) error { fmt.Printf("Collection %s already exists\n", collectionName) } - return nil + return nil } func collectionExists(name string) (bool, error) { @@ -79,26 +86,67 @@ func collectionExists(name string) (bool, error) { return true, nil } +// create a typesense collection func createCollection(name string) error { url := fmt.Sprintf("%s/collections", typesenseHost) schema := CollectionSchema{ Name: name, Fields: []Field{ - { - Name: "name", - Type: "string", - }, - { - Name: "description", - Type: "string", - }, - { - Name: "event_date_created", - Type: "int64", - }, + // Base information + {Name: "id", Type: "string"}, + {Name: "d", Type: "string"}, + {Name: "type", Type: "string"}, + {Name: "name", Type: "string"}, + {Name: "description", Type: "string", Optional: true}, + {Name: "about", Type: "object[]", Optional: true}, + {Name: "keywords", Type: "string[]", Optional: true}, + {Name: "inLanguage", Type: "string[]", Optional: true}, + {Name: "image", Type: "string", Optional: true}, + {Name: "trailer", Type: "object[]", Optional: true}, + + // Provenience + {Name: "creator", Type: "object[]", Optional: true}, + {Name: "contributor", Type: "object[]", Optional: true}, + {Name: "dateCreated", Type: "string", Optional: true}, + {Name: "datePublished", Type: "string", Optional: true}, + {Name: "dateModified", Type: "string", Optional: true}, + {Name: "publisher", Type: "object[]", Optional: true}, + {Name: "funder", Type: "object[]", Optional: true}, + + // Costs and Rights + {Name: "isAccessibleForFree", Type: "bool", Optional: true}, + {Name: "license", Type: "object", Optional: true}, + {Name: "conditionsOfAccess", Type: "object", Optional: true}, + + // Educational Metadata + {Name: "learningResourceType", Type: "object[]", Optional: true}, + {Name: "audience", Type: "object[]", Optional: true}, + {Name: "teaches", Type: "object[]", Optional: true}, + {Name: "assesses", Type: "object[]", Optional: true}, + {Name: "competencyRequired", Type: "object[]", Optional: true}, + {Name: "educationalLevel", Type: "object[]", Optional: true}, + {Name: "interactivityType", Type: "object", Optional: true}, + + // Relation + {Name: "isBasedOn", Type: "object[]", Optional: true}, + {Name: "isPartOf", Type: "object[]", Optional: true}, + {Name: "hasPart", Type: "object[]", Optional: true}, + + // Technical + {Name: "duration", Type: "string", Optional: true}, + + // Nostr Event + {Name: "eventID", Type: "string"}, + {Name: "eventKind", Type: "int32"}, + {Name: "eventPubKey", Type: "string"}, + {Name: "eventSignature", Type: "string"}, + {Name: "eventCreatedAt", Type: "int64"}, + {Name: "eventContent", Type: "string"}, + {Name: "eventRaw", Type: "string"}, }, - DefaultSortingField: "event_date_created", + DefaultSortingField: "eventCreatedAt", + EnableNestedFields: true, } jsonData, err := json.Marshal(schema) @@ -128,3 +176,262 @@ func createCollection(name string) error { return nil } + +// IndexNostrEvent converts a Nostr event to AMB metadata and indexes it in Typesense +func IndexNostrEvent(collectionName string, event *nostr.Event) error { + ambData, err := NostrToAMB(event) + if err != nil { + return fmt.Errorf("error converting Nostr event to AMB metadata: %v", err) + } + + // check if event is already there, if so replace it, else index it + alreadyIndexed, err := eventAlreadyIndexed(collectionName, ambData) + return indexDocument(collectionName, ambData, alreadyIndexed) +} + +func eventAlreadyIndexed(collectionName string, doc *AMBMetadata) (bool, error) { + url := fmt.Sprintf("%s/collections/%s/documents/%s", typesenseHost, collectionName, url.QueryEscape(doc.ID)) + + req, err := http.NewRequest(http.MethodGet, url, nil) + if err != nil { + return false, err + } + + req.Header.Set("X-TYPESENSE-API-KEY", apiKey) + req.Header.Set("Content-Type", "application/json") + + client := &http.Client{} + + resp, err := client.Do(req) + if err != nil { + return false, err + } + defer resp.Body.Close() + + body, _ := io.ReadAll(resp.Body) + + if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusCreated { + return false, fmt.Errorf("failed to index document, status: %d, body: %s", resp.StatusCode, string(body)) + } + + return true, err + +} + +// Index a document in Typesense +func indexDocument(collectionName string, doc *AMBMetadata, update bool) error { + if update { + fmt.Println("updating", doc) + } else { + fmt.Println("indexing", doc) + } + + url := fmt.Sprintf("%s/collections/%s/documents", typesenseHost, collectionName) + + jsonData, err := json.Marshal(doc) + if err != nil { + return err + } + + method := http.MethodPost + if update { + method = http.MethodPatch + } + + req, err := http.NewRequest(method, url, bytes.NewBuffer(jsonData)) + if err != nil { + return err + } + + req.Header.Set("X-TYPESENSE-API-KEY", apiKey) + req.Header.Set("Content-Type", "application/json") + + client := &http.Client{} + + // Do the request + resp, err := client.Do(req) + if err != nil { + return err + } + defer resp.Body.Close() + + body, _ := io.ReadAll(resp.Body) + + if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusCreated { + return fmt.Errorf("failed to index document, status: %d, body: %s", resp.StatusCode, string(body)) + } + + return nil +} + +// SearchQuery represents a parsed search query with raw terms and field filters +type SearchQuery struct { + RawTerms []string + FieldFilters map[string]string +} + +// ParseSearchQuery parses a search string with support for quoted terms and field:value pairs +func ParseSearchQuery(searchStr string) SearchQuery { + var query SearchQuery + query.RawTerms = []string{} + query.FieldFilters = make(map[string]string) + + // Regular expression to match quoted strings and field:value pairs + // This regex handles: + // 1. Quoted strings (preserving spaces and everything inside) + // 2. Field:value pairs + // 3. Regular words + re := regexp.MustCompile(`"([^"]+)"|(\S+\.\S+):(\S+)|(\S+)`) + matches := re.FindAllStringSubmatch(searchStr, -1) + + for _, match := range matches { + if match[1] != "" { + // This is a quoted string, add it to raw terms + query.RawTerms = append(query.RawTerms, match[1]) + } else if match[2] != "" && match[3] != "" { + // This is a field:value pair + fieldName := match[2] + fieldValue := match[3] + query.FieldFilters[fieldName] = fieldValue + } else if match[4] != "" { + // This is a regular word, check if it's a simple field:value + parts := strings.SplitN(match[4], ":", 2) + if len(parts) == 2 && !strings.Contains(parts[0], ".") { + // Simple field:value without dot notation + query.FieldFilters[parts[0]] = parts[1] + } else { + // Regular search term + query.RawTerms = append(query.RawTerms, match[4]) + } + } + } + + return query +} + +// BuildTypesenseQuery builds a Typesense search query from a parsed SearchQuery +func BuildTypesenseQuery(query SearchQuery) (string, map[string]string, error) { + // Join raw terms for the main query + mainQuery := strings.Join(query.RawTerms, " ") + + // Parameters for filter_by and other Typesense parameters + params := make(map[string]string) + + // Build filter expressions for field filters + var filterExpressions []string + + for field, value := range query.FieldFilters { + // Handle special fields with dot notation + if strings.Contains(field, ".") { + parts := strings.SplitN(field, ".", 2) + fieldName := parts[0] + subField := parts[1] + + filterExpressions = append(filterExpressions, fmt.Sprintf("%s.%s:%s", fieldName, subField, value)) + } else { + filterExpressions = append(filterExpressions, fmt.Sprintf("%s:%s", field, value)) + } + } + + // Combine all filter expressions + if len(filterExpressions) > 0 { + params["filter_by"] = strings.Join(filterExpressions, " && ") + } + + return mainQuery, params, nil +} + +// SearchResources searches for resources and returns both the AMB metadata and converted Nostr events +func SearchResources(collectionName, searchStr string) ([]nostr.Event, error) { + parsedQuery := ParseSearchQuery(searchStr) + + mainQuery, params, err := BuildTypesenseQuery(parsedQuery) + if err != nil { + return nil, fmt.Errorf("error building Typesense query: %v", err) + } + + // URL encode the main query + encodedQuery := url.QueryEscape(mainQuery) + + // Default fields to search in + queryBy := "name,description" + + // Start building the search URL + searchURL := fmt.Sprintf("%s/collections/%s/documents/search?q=%s&query_by=%s", + typesenseHost, collectionName, encodedQuery, queryBy) + + // Add additional parameters + for key, value := range params { + searchURL += fmt.Sprintf("&%s=%s", key, url.QueryEscape(value)) + } + + // Debug information + fmt.Printf("Search URL: %s\n", searchURL) + + // Create request + req, err := http.NewRequest(http.MethodGet, searchURL, nil) + if err != nil { + return nil, fmt.Errorf("error creating search request: %v", err) + } + req.Header.Set("X-TYPESENSE-API-KEY", apiKey) + + // Execute the request + client := &http.Client{} + resp, err := client.Do(req) + if err != nil { + return nil, fmt.Errorf("error executing search request: %v", err) + } + defer resp.Body.Close() + + body, err := io.ReadAll(resp.Body) + if err != nil { + return nil, fmt.Errorf("error reading response body: %v", err) + } + + // Check for errors + if resp.StatusCode != http.StatusOK { + return nil, fmt.Errorf("search failed with status code %d: %s", resp.StatusCode, string(body)) + } + + // Parse the search response + var searchResponse SearchResponse + if err := json.Unmarshal(body, &searchResponse); err != nil { + return nil, fmt.Errorf("error parsing search response: %v", err) + } + + nostrResults := make([]nostr.Event, 0, len(searchResponse.Hits)) + + for _, hit := range searchResponse.Hits { + // Extract the document from the hit + docMap, ok := hit["document"].(map[string]interface{}) + if !ok { + return nil, fmt.Errorf("invalid document format in search results") + } + + // Convert the map to AMB metadata + docJSON, err := json.Marshal(docMap) + if err != nil { + return nil, fmt.Errorf("error marshaling document: %v", err) + } + + var ambData AMBMetadata + if err := json.Unmarshal(docJSON, &ambData); err != nil { + return nil, fmt.Errorf("error unmarshaling to AMBMetadata: %v", err) + } + + // Convert the AMB metadata to a Nostr event + nostrEvent, err := StringifiedJSONToNostrEvent(ambData.EventRaw) + if err != nil { + fmt.Printf("Warning: failed to convert AMB to Nostr: %v\n", err) + continue + } + + nostrResults = append(nostrResults, nostrEvent) + } + + // Print the number of results for logging + fmt.Printf("Found %d results\n", + len(nostrResults)) + + return nostrResults, nil +}