mirror of
https://github.com/0ceanSlim/grain.git
synced 2024-10-29 17:16:31 +00:00
moved handlers into their own package with seperate go files for each
This commit is contained in:
parent
81d73a5ec3
commit
45d38b45a4
32
relay/handlers/close.go
Normal file
32
relay/handlers/close.go
Normal file
@ -0,0 +1,32 @@
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package handlers
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import (
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"encoding/json"
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"fmt"
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"golang.org/x/net/websocket"
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)
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func HandleClose(ws *websocket.Conn, message []interface{}) {
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if len(message) != 2 {
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fmt.Println("Invalid CLOSE message format")
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return
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}
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subID, ok := message[1].(string)
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if !ok {
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fmt.Println("Invalid subscription ID format")
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return
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}
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delete(subscriptions, subID)
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fmt.Println("Subscription closed:", subID)
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closeMsg := []interface{}{"CLOSED", subID, "Subscription closed"}
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closeBytes, _ := json.Marshal(closeMsg)
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err := websocket.Message.Send(ws, string(closeBytes))
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if err != nil {
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fmt.Println("Error sending CLOSE message:", err)
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return
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}
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}
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76
relay/handlers/event.go
Normal file
76
relay/handlers/event.go
Normal file
@ -0,0 +1,76 @@
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package handlers
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import (
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"context"
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"encoding/json"
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"fmt"
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"grain/relay/db"
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"grain/relay/kinds"
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"grain/relay/utils"
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relay "grain/relay/types"
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"golang.org/x/net/websocket"
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)
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func HandleEvent(ws *websocket.Conn, message []interface{}) {
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if len(message) != 2 {
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fmt.Println("Invalid EVENT message format")
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return
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}
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eventData, ok := message[1].(map[string]interface{})
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if !ok {
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fmt.Println("Invalid event data format")
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return
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}
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eventBytes, err := json.Marshal(eventData)
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if err != nil {
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fmt.Println("Error marshaling event data:", err)
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return
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}
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var evt relay.Event
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err = json.Unmarshal(eventBytes, &evt)
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if err != nil {
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fmt.Println("Error unmarshaling event data:", err)
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return
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}
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// Call the HandleKind function
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HandleKind(context.TODO(), evt, ws)
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fmt.Println("Event processed:", evt.ID)
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}
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func HandleKind(ctx context.Context, evt relay.Event, ws *websocket.Conn) {
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if !utils.CheckSignature(evt) {
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OKResponse(ws, evt.ID, false, "invalid: signature verification failed")
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return
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}
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collection := db.GetCollection(evt.Kind)
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var err error
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switch evt.Kind {
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case 0:
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err = kinds.HandleKind0(ctx, evt, collection)
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case 1:
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err = kinds.HandleKind1(ctx, evt, collection)
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default:
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err = kinds.HandleUnknownKind(ctx, evt, collection)
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}
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if err != nil {
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OKResponse(ws, evt.ID, false, fmt.Sprintf("error: %v", err))
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return
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}
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OKResponse(ws, evt.ID, true, "")
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}
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func OKResponse(ws *websocket.Conn, eventID string, status bool, message string) {
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response := []interface{}{"OK", eventID, status, message}
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responseBytes, _ := json.Marshal(response)
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websocket.Message.Send(ws, string(responseBytes))
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}
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137
relay/handlers/req.go
Normal file
137
relay/handlers/req.go
Normal file
@ -0,0 +1,137 @@
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package handlers
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import (
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"context"
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"encoding/json"
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"fmt"
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"grain/relay/db"
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relay "grain/relay/types"
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"grain/relay/utils"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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"golang.org/x/net/websocket"
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)
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var subscriptions = make(map[string]relay.Subscription)
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func HandleReq(ws *websocket.Conn, message []interface{}) {
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if len(message) < 3 {
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fmt.Println("Invalid REQ message format")
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return
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}
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subID, ok := message[1].(string)
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if !ok {
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fmt.Println("Invalid subscription ID format")
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return
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}
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filters := make([]relay.Filter, len(message)-2)
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for i, filter := range message[2:] {
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filterData, ok := filter.(map[string]interface{})
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if !ok {
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fmt.Println("Invalid filter format")
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return
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}
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var f relay.Filter
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f.IDs = utils.ToStringArray(filterData["ids"])
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f.Authors = utils.ToStringArray(filterData["authors"])
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f.Kinds = utils.ToIntArray(filterData["kinds"])
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f.Tags = utils.ToTagsMap(filterData["tags"])
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f.Since = utils.ToTime(filterData["since"])
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f.Until = utils.ToTime(filterData["until"])
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f.Limit = utils.ToInt(filterData["limit"])
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filters[i] = f
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}
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subscriptions[subID] = relay.Subscription{ID: subID, Filters: filters}
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fmt.Println("Subscription added:", subID)
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// Query the database with filters and send back the results
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// TO DO why is this taking a certain kind as an argument for collection???
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queriedEvents, err := QueryEvents(filters, db.GetClient(), "grain", "event-kind1")
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if err != nil {
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fmt.Println("Error querying events:", err)
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return
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}
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for _, evt := range queriedEvents {
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msg := []interface{}{"EVENT", subID, evt}
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msgBytes, _ := json.Marshal(msg)
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err = websocket.Message.Send(ws, string(msgBytes))
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if err != nil {
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fmt.Println("Error sending event:", err)
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return
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}
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}
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// Indicate end of stored events
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eoseMsg := []interface{}{"EOSE", subID}
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eoseBytes, _ := json.Marshal(eoseMsg)
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err = websocket.Message.Send(ws, string(eoseBytes))
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if err != nil {
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fmt.Println("Error sending EOSE:", err)
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return
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}
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}
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// QueryEvents queries events from the MongoDB collection based on filters
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func QueryEvents(filters []relay.Filter, client *mongo.Client, databaseName, collectionName string) ([]relay.Event, error) {
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collection := client.Database(databaseName).Collection(collectionName)
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var results []relay.Event
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for _, filter := range filters {
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filterBson := bson.M{}
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if len(filter.IDs) > 0 {
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filterBson["_id"] = bson.M{"$in": filter.IDs}
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}
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if len(filter.Authors) > 0 {
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filterBson["author"] = bson.M{"$in": filter.Authors}
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}
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if len(filter.Kinds) > 0 {
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filterBson["kind"] = bson.M{"$in": filter.Kinds}
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}
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if filter.Tags != nil {
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for key, values := range filter.Tags {
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if len(values) > 0 {
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filterBson[key] = bson.M{"$in": values}
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}
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}
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}
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if filter.Since != nil {
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filterBson["created_at"] = bson.M{"$gte": *filter.Since}
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}
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if filter.Until != nil {
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filterBson["created_at"] = bson.M{"$lte": *filter.Until}
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}
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opts := options.Find()
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if filter.Limit != nil {
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opts.SetLimit(int64(*filter.Limit))
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}
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cursor, err := collection.Find(context.TODO(), filterBson, opts)
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if err != nil {
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return nil, fmt.Errorf("error querying events: %v", err)
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}
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defer cursor.Close(context.TODO())
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for cursor.Next(context.TODO()) {
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var event relay.Event
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if err := cursor.Decode(&event); err != nil {
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return nil, fmt.Errorf("error decoding event: %v", err)
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}
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results = append(results, event)
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}
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if err := cursor.Err(); err != nil {
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return nil, fmt.Errorf("cursor error: %v", err)
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}
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}
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return results, nil
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}
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@ -1,70 +0,0 @@
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package relay
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import (
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"context"
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"fmt"
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relay "grain/relay/types"
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"go.mongodb.org/mongo-driver/bson"
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"go.mongodb.org/mongo-driver/mongo"
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"go.mongodb.org/mongo-driver/mongo/options"
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)
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// QueryEvents queries events from the MongoDB collection based on filters
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func QueryEvents(filters []relay.Filter, client *mongo.Client, databaseName, collectionName string) ([]relay.Event, error) {
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collection := client.Database(databaseName).Collection(collectionName)
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var results []relay.Event
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for _, filter := range filters {
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filterBson := bson.M{}
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if len(filter.IDs) > 0 {
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filterBson["_id"] = bson.M{"$in": filter.IDs}
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}
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if len(filter.Authors) > 0 {
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filterBson["author"] = bson.M{"$in": filter.Authors}
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}
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if len(filter.Kinds) > 0 {
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filterBson["kind"] = bson.M{"$in": filter.Kinds}
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}
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if filter.Tags != nil {
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for key, values := range filter.Tags {
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if len(values) > 0 {
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filterBson[key] = bson.M{"$in": values}
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}
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}
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}
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if filter.Since != nil {
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filterBson["created_at"] = bson.M{"$gte": *filter.Since}
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}
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if filter.Until != nil {
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filterBson["created_at"] = bson.M{"$lte": *filter.Until}
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}
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opts := options.Find()
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if filter.Limit != nil {
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opts.SetLimit(int64(*filter.Limit))
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}
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cursor, err := collection.Find(context.TODO(), filterBson, opts)
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if err != nil {
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return nil, fmt.Errorf("error querying events: %v", err)
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}
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defer cursor.Close(context.TODO())
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for cursor.Next(context.TODO()) {
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var event relay.Event
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if err := cursor.Decode(&event); err != nil {
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return nil, fmt.Errorf("error decoding event: %v", err)
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}
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results = append(results, event)
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}
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if err := cursor.Err(); err != nil {
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return nil, fmt.Errorf("cursor error: %v", err)
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}
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}
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return results, nil
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}
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163
relay/relay.go
163
relay/relay.go
@ -1,19 +1,13 @@
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package relay
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import (
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"context"
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"encoding/json"
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"fmt"
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"grain/relay/db"
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"grain/relay/kinds"
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relay "grain/relay/types"
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"grain/relay/utils"
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"grain/relay/handlers"
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"golang.org/x/net/websocket"
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)
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var subscriptions = make(map[string]relay.Subscription)
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func Listener(ws *websocket.Conn) {
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defer ws.Close()
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@ -46,162 +40,13 @@ func Listener(ws *websocket.Conn) {
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switch messageType {
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case "EVENT":
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handleEvent(ws, message)
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handlers.HandleEvent(ws, message)
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case "REQ":
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handleReq(ws, message)
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handlers.HandleReq(ws, message)
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case "CLOSE":
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handleClose(ws, message)
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handlers.HandleClose(ws, message)
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default:
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fmt.Println("Unknown message type:", messageType)
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}
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}
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}
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func handleEvent(ws *websocket.Conn, message []interface{}) {
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if len(message) != 2 {
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fmt.Println("Invalid EVENT message format")
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return
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}
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eventData, ok := message[1].(map[string]interface{})
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if !ok {
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fmt.Println("Invalid event data format")
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return
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}
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eventBytes, err := json.Marshal(eventData)
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if err != nil {
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fmt.Println("Error marshaling event data:", err)
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return
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}
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var evt relay.Event
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err = json.Unmarshal(eventBytes, &evt)
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if err != nil {
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fmt.Println("Error unmarshaling event data:", err)
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return
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}
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// Call the HandleKind function
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HandleKind(context.TODO(), evt, ws)
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fmt.Println("Event processed:", evt.ID)
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}
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func HandleKind(ctx context.Context, evt relay.Event, ws *websocket.Conn) {
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if !utils.CheckSignature(evt) {
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sendOKResponse(ws, evt.ID, false, "invalid: signature verification failed")
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return
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}
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collection := db.GetCollection(evt.Kind)
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var err error
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switch evt.Kind {
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case 0:
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err = kinds.HandleKind0(ctx, evt, collection)
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case 1:
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err = kinds.HandleKind1(ctx, evt, collection)
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default:
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err = kinds.HandleUnknownKind(ctx, evt, collection)
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}
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if err != nil {
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sendOKResponse(ws, evt.ID, false, fmt.Sprintf("error: %v", err))
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return
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}
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sendOKResponse(ws, evt.ID, true, "")
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}
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func sendOKResponse(ws *websocket.Conn, eventID string, status bool, message string) {
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response := []interface{}{"OK", eventID, status, message}
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responseBytes, _ := json.Marshal(response)
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websocket.Message.Send(ws, string(responseBytes))
|
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}
|
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|
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func handleReq(ws *websocket.Conn, message []interface{}) {
|
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if len(message) < 3 {
|
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fmt.Println("Invalid REQ message format")
|
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return
|
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}
|
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|
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subID, ok := message[1].(string)
|
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if !ok {
|
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fmt.Println("Invalid subscription ID format")
|
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return
|
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}
|
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|
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filters := make([]relay.Filter, len(message)-2)
|
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for i, filter := range message[2:] {
|
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filterData, ok := filter.(map[string]interface{})
|
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if !ok {
|
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fmt.Println("Invalid filter format")
|
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return
|
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}
|
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|
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var f relay.Filter
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f.IDs = utils.ToStringArray(filterData["ids"])
|
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f.Authors = utils.ToStringArray(filterData["authors"])
|
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f.Kinds = utils.ToIntArray(filterData["kinds"])
|
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f.Tags = utils.ToTagsMap(filterData["tags"])
|
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f.Since = utils.ToTime(filterData["since"])
|
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f.Until = utils.ToTime(filterData["until"])
|
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f.Limit = utils.ToInt(filterData["limit"])
|
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|
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filters[i] = f
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}
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|
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subscriptions[subID] = relay.Subscription{ID: subID, Filters: filters}
|
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fmt.Println("Subscription added:", subID)
|
||||
|
||||
// Query the database with filters and send back the results
|
||||
// TO DO why is this taking a certain kind as an argument for collection???
|
||||
queriedEvents, err := QueryEvents(filters, db.GetClient(), "grain", "event-kind1")
|
||||
if err != nil {
|
||||
fmt.Println("Error querying events:", err)
|
||||
return
|
||||
}
|
||||
|
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for _, evt := range queriedEvents {
|
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msg := []interface{}{"EVENT", subID, evt}
|
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msgBytes, _ := json.Marshal(msg)
|
||||
err = websocket.Message.Send(ws, string(msgBytes))
|
||||
if err != nil {
|
||||
fmt.Println("Error sending event:", err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
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// Indicate end of stored events
|
||||
eoseMsg := []interface{}{"EOSE", subID}
|
||||
eoseBytes, _ := json.Marshal(eoseMsg)
|
||||
err = websocket.Message.Send(ws, string(eoseBytes))
|
||||
if err != nil {
|
||||
fmt.Println("Error sending EOSE:", err)
|
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return
|
||||
}
|
||||
}
|
||||
|
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func handleClose(ws *websocket.Conn, message []interface{}) {
|
||||
if len(message) != 2 {
|
||||
fmt.Println("Invalid CLOSE message format")
|
||||
return
|
||||
}
|
||||
|
||||
subID, ok := message[1].(string)
|
||||
if !ok {
|
||||
fmt.Println("Invalid subscription ID format")
|
||||
return
|
||||
}
|
||||
|
||||
delete(subscriptions, subID)
|
||||
fmt.Println("Subscription closed:", subID)
|
||||
|
||||
closeMsg := []interface{}{"CLOSED", subID, "Subscription closed"}
|
||||
closeBytes, _ := json.Marshal(closeMsg)
|
||||
err := websocket.Message.Send(ws, string(closeBytes))
|
||||
if err != nil {
|
||||
fmt.Println("Error sending CLOSE message:", err)
|
||||
return
|
||||
}
|
||||
}
|
||||
|
||||
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