import events

This commit is contained in:
0ceanSlim 2024-08-06 10:34:53 -04:00
parent 2ef7d4fe42
commit df361ea437
5 changed files with 196 additions and 41 deletions

View File

@ -1,15 +1,10 @@
package app
import (
"context"
"grain/server/db"
relay "grain/server/types"
"html/template"
"net/http"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
type PageData struct {
@ -78,38 +73,4 @@ func PrependDir(dir string, files []string) []string {
return fullPaths
}
// FetchTopTenRecentEvents queries the database and returns the top ten most recent events.
func FetchTopTenRecentEvents(client *mongo.Client) ([]relay.Event, error) {
var results []relay.Event
collections, err := client.Database("grain").ListCollectionNames(context.TODO(), bson.M{})
if err != nil {
return nil, err
}
for _, collectionName := range collections {
collection := client.Database("grain").Collection(collectionName)
filter := bson.D{}
opts := options.Find().SetSort(bson.D{{Key: "createdat", Value: -1}}).SetLimit(10)
cursor, err := collection.Find(context.TODO(), filter, opts)
if err != nil {
return nil, err
}
defer cursor.Close(context.TODO())
for cursor.Next(context.TODO()) {
var event relay.Event
if err := cursor.Decode(&event); err != nil {
return nil, err
}
results = append(results, event)
}
if err := cursor.Err(); err != nil {
return nil, err
}
}
return results, nil
}

47
app/fetchRecentEvents.go Normal file
View File

@ -0,0 +1,47 @@
package app
import (
"context"
relay "grain/server/types"
"go.mongodb.org/mongo-driver/bson"
"go.mongodb.org/mongo-driver/mongo"
"go.mongodb.org/mongo-driver/mongo/options"
)
// FetchTopTenRecentEvents queries the database and returns the top ten most recent events.
func FetchTopTenRecentEvents(client *mongo.Client) ([]relay.Event, error) {
var results []relay.Event
collections, err := client.Database("grain").ListCollectionNames(context.TODO(), bson.M{})
if err != nil {
return nil, err
}
for _, collectionName := range collections {
collection := client.Database("grain").Collection(collectionName)
filter := bson.D{}
opts := options.Find().SetSort(bson.D{{Key: "createdat", Value: -1}}).SetLimit(10)
cursor, err := collection.Find(context.TODO(), filter, opts)
if err != nil {
return nil, err
}
defer cursor.Close(context.TODO())
for cursor.Next(context.TODO()) {
var event relay.Event
if err := cursor.Decode(&event); err != nil {
return nil, err
}
results = append(results, event)
}
if err := cursor.Err(); err != nil {
return nil, err
}
}
return results, nil
}

113
app/importEvents.go Normal file
View File

@ -0,0 +1,113 @@
package app
import (
"context"
"encoding/json"
"fmt"
"io"
"log"
"net/http"
"strings"
"grain/server/db"
relay "grain/server/types"
"go.mongodb.org/mongo-driver/mongo"
"golang.org/x/net/websocket"
)
func ImportEventsHandler(w http.ResponseWriter, r *http.Request) {
if r.Method != http.MethodPost {
http.Error(w, "Invalid request method", http.StatusMethodNotAllowed)
return
}
pubkey := r.FormValue("pubkey")
relayUrls := r.FormValue("relayUrls")
urls := strings.Split(relayUrls, ",")
for _, url := range urls {
events, err := fetchEventsFromRelay(pubkey, url)
if err != nil {
log.Printf("Error fetching events from relay %s: %v", url, err)
http.Error(w, fmt.Sprintf("Error fetching events from relay %s", url), http.StatusInternalServerError)
return
}
err = storeEvents(events)
if err != nil {
log.Printf("Error storing events: %v", err)
http.Error(w, "Error storing events", http.StatusInternalServerError)
return
}
}
http.Redirect(w, r, "/", http.StatusSeeOther)
}
func fetchEventsFromRelay(pubkey, relayUrl string) ([]relay.Event, error) {
log.Printf("Connecting to relay: %s", relayUrl)
conn, err := websocket.Dial(relayUrl, "", "http://localhost/")
if err != nil {
log.Printf("Error connecting to relay %s: %v", relayUrl, err)
return nil, err
}
defer conn.Close()
log.Printf("Connected to relay: %s", relayUrl)
reqMessage := fmt.Sprintf(`["REQ", "import-sub", {"authors": ["%s"]}]`, pubkey)
log.Printf("Sending request: %s", reqMessage)
if _, err := conn.Write([]byte(reqMessage)); err != nil {
log.Printf("Error sending request to relay %s: %v", relayUrl, err)
return nil, err
}
var events []relay.Event
for {
var msg []byte
if err := websocket.Message.Receive(conn, &msg); err != nil {
if err == io.EOF {
break
}
log.Printf("Error receiving message from relay %s: %v", relayUrl, err)
return nil, err
}
log.Printf("Received message: %s", string(msg))
var response []interface{}
if err := json.Unmarshal(msg, &response); err != nil {
log.Printf("Error unmarshaling message from relay %s: %v", relayUrl, err)
return nil, err
}
if response[0] == "EVENT" {
eventData, err := json.Marshal(response[2]) // Change index from 1 to 2
if err != nil {
log.Printf("Error marshaling event data from relay %s: %v", relayUrl, err)
continue
}
var event relay.Event
if err := json.Unmarshal(eventData, &event); err != nil {
log.Printf("Error unmarshaling event data from relay %s: %v", relayUrl, err)
continue
}
events = append(events, event)
}
}
log.Printf("Fetched %d events from relay %s", len(events), relayUrl)
return events, nil
}
func storeEvents(events []relay.Event) error {
for _, event := range events {
collection := db.GetCollection(event.Kind)
_, err := collection.InsertOne(context.TODO(), event)
if err != nil && !mongo.IsDuplicateKeyError(err) {
log.Printf("Error inserting event into MongoDB: %v", err)
return err
}
}
return nil
}

View File

@ -1,7 +1,7 @@
{{define "view"}}
<main class="flex flex-col items-center justify-center p-8">
<div class="mb-4">You are now viewing the {{.Title}}</div>
<h2>Top Ten Most Recent Events</h2>
<!--<h2>Top Ten Most Recent Events</h2>
<ul>
{{range .Events}}
<li>
@ -11,6 +11,39 @@
<strong>PubKey:</strong> {{.PubKey}}
</li>
{{end}}
</ul>
</ul>-->
<div
class="container flex justify-center p-4 border-2 border-gray-600 border-solid rounded-md w-fit"
>
<form id="import-form" method="POST" action="/import-events">
<div>
<label for="pubkey">Pubkey:</label>
<input
class="p-2 m-2 text-black rounded-md"
type="text"
id="pubkey"
name="pubkey"
required
maxlength="64"
/>
</div>
<div>
<label for="relayUrls">Relay URLs (comma separated):</label>
<input
class="p-2 m-2 text-black rounded-md"
type="text"
id="relayUrls"
name="relayUrls"
required
/>
</div>
<button
class="p-2 m-2 font-bold bg-green-500 rounded-md font-xl"
type="submit"
>
Import Events
</button>
</form>
</div>
</main>
{{end}}

View File

@ -47,6 +47,7 @@ func main() {
func setupRoutes() *http.ServeMux {
mux := http.NewServeMux()
mux.HandleFunc("/", ListenAndServe)
mux.HandleFunc("/import-events", app.ImportEventsHandler)
mux.Handle("/static/", http.StripPrefix("/static/", http.FileServer(http.Dir("app/static"))))
mux.HandleFunc("/favicon.ico", func(w http.ResponseWriter, r *http.Request) {
http.ServeFile(w, r, "app/static/img/favicon.ico")