Replacable Events working

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.Name = "my typesense relay"
-	// relay.Info.PubKey = "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"
+	// tsRelay.Info.PubKey = "79be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798"
-	relay.Info.Description = "this is my custom relay"
+	relay.Info.Description = "this is the typesense 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"
+	// 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"
-	db := badger.BadgerBackend{Path: "/tmp/khatru-badgern-tmp"}
+	dbts := badger.BadgerBackend{Path: "/tmp/khatru-badgern-tmp-2"}
-	if err := db.Init(); err != nil {
+	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.StoreEvent = append(relay.StoreEvent)
-	relay.QueryEvents = append(relay.QueryEvents, db.QueryEvents, handleQuery)
+	relay.QueryEvents = append(relay.QueryEvents, handleQuery)
-	relay.CountEvents = append(relay.CountEvents, db.CountEvents)
+	relay.CountEvents = append(relay.CountEvents, dbts.CountEvents)
-	relay.DeleteEvent = append(relay.DeleteEvent, db.DeleteEvent)
+	relay.DeleteEvent = append(relay.DeleteEvent, dbts.DeleteEvent)
-	relay.ReplaceEvent = append(relay.ReplaceEvent, db.ReplaceEvent)
+	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)
+	IndexNostrEvent(collectionName, event)
-  // TODO index md-event
 	return nil
 }
 
 func handleQuery(ctx context.Context, filter nostr.Filter) (chan *nostr.Event, error) {
-  ch := make(chan *nostr.Event)
+	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)
 
-  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
 }
 

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
+}

typesense.go

@@ -7,18 +7,18 @@ import (
 	"io"
 	"log"
 	"net/http"
-)
+	"net/url"
+	"regexp"
+	"strings"
 
-const (
+	"github.com/nbd-wtf/go-nostr"
-	typesenseHost  = "http://localhost:8108"
-	apiKey         = "xyz"
-	// collectionName = "amb-test"
 )
 
 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{
-			{
+			// Base information
-				Name: "name",
+			{Name: "id", Type: "string"},
-				Type: "string",
+			{Name: "d", Type: "string"},
-			},
+			{Name: "type", Type: "string"},
-			{
+			{Name: "name", Type: "string"},
-				Name: "description",
+			{Name: "description", Type: "string", Optional: true},
-				Type: "string",
+			{Name: "about", Type: "object[]", Optional: true},
-			},
+			{Name: "keywords", Type: "string[]", Optional: true},
-      {
+			{Name: "inLanguage", Type: "string[]", Optional: true},
-				Name: "event_date_created",
+			{Name: "image", Type: "string", Optional: true},
-				Type: "int64",
+			{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
+}