From c362be0e82c7e91e403f61a52e328b675c34190a Mon Sep 17 00:00:00 2001
From: fiatjaf <fiatjaf@gmail.com>
Date: Thu, 8 Feb 2024 16:33:52 -0300
Subject: [PATCH] nip34: get patches from repo.

---
 go.mod              |  2 +-
 nip34/repository.go | 21 ++++++++++++++++++++-
 2 files changed, 21 insertions(+), 2 deletions(-)

diff --git a/go.mod b/go.mod
index 627f5e2..00fa569 100644
--- a/go.mod
+++ b/go.mod
@@ -3,6 +3,7 @@ module github.com/nbd-wtf/go-nostr
 go 1.21
 
 require (
+	github.com/bluekeyes/go-gitdiff v0.7.1
 	github.com/btcsuite/btcd/btcec/v2 v2.3.2
 	github.com/btcsuite/btcd/btcutil v1.1.3
 	github.com/gobwas/httphead v0.1.0
@@ -20,7 +21,6 @@ require (
 require (
 	github.com/FactomProject/basen v0.0.0-20150613233007-fe3947df716e // indirect
 	github.com/FactomProject/btcutilecc v0.0.0-20130527213604-d3a63a5752ec // indirect
-	github.com/bluekeyes/go-gitdiff v0.7.1 // indirect
 	github.com/btcsuite/btcd/chaincfg/chainhash v1.0.2 // indirect
 	github.com/decred/dcrd/crypto/blake256 v1.0.1 // indirect
 	github.com/decred/dcrd/dcrec/secp256k1/v4 v4.2.0 // indirect
diff --git a/nip34/repository.go b/nip34/repository.go
index 6392162..33eb8d7 100644
--- a/nip34/repository.go
+++ b/nip34/repository.go
@@ -1,6 +1,11 @@
 package nip34
 
-import "github.com/nbd-wtf/go-nostr"
+import (
+	"context"
+	"fmt"
+
+	"github.com/nbd-wtf/go-nostr"
+)
 
 type Repository struct {
 	nostr.Event
@@ -40,3 +45,17 @@ func ParseRepository(event nostr.Event) Repository {
 
 	return repo
 }
+
+func (repo Repository) GetPatchesSync(ctx context.Context, s nostr.RelayStore) []Patch {
+	res, _ := s.QuerySync(ctx, nostr.Filter{
+		Kinds: []int{nostr.KindPatch},
+		Tags: nostr.TagMap{
+			"a": []string{fmt.Sprintf("%d:%s:%s", nostr.KindRepositoryAnnouncement, repo.Event.PubKey, repo.ID)},
+		},
+	})
+	patches := make([]Patch, len(res))
+	for i, evt := range res {
+		patches[i] = ParsePatch(*evt)
+	}
+	return patches
+}