From 2ccd3d38b4e69beed8233134a4ea32eeddff7ec5 Mon Sep 17 00:00:00 2001
From: Terry Yiu <git@tyiu.xyz>
Date: Sat, 1 Mar 2025 20:38:36 -0500
Subject: [PATCH] Add inline note rendering of invoices to pull up wallet
 selector sheet

Changelog-Added: Added inline note rendering of invoices to pull up wallet selector sheet
Signed-off-by: Terry Yiu <git@tyiu.xyz>
---
 damus/Models/NoteContent.swift |  1 +
 damus/Models/URLHandler.swift  | 18 ++++++++++++++++++
 damus/Nostr/NostrLink.swift    | 12 ++++++++++--
 3 files changed, 29 insertions(+), 2 deletions(-)

diff --git a/damus/Models/NoteContent.swift b/damus/Models/NoteContent.swift
index a595c3519..e3d14d120 100644
--- a/damus/Models/NoteContent.swift
+++ b/damus/Models/NoteContent.swift
@@ -152,6 +152,7 @@ func render_blocks(blocks bs: Blocks, profiles: Profiles, can_hide_last_previewa
 func invoice_str(_ invoice: Invoice) -> CompatibleText {
     // Add foreground color to Lightning invoice but no need to link to anything as the attached preview is sufficient.
     var attributedString = AttributedString(stringLiteral: abbrev_identifier(invoice.string))
+    attributedString.link = URL(string: "damus:lightning:\(invoice.string)")
     attributedString.foregroundColor = DamusColors.purple
 
     return CompatibleText(attributed: attributedString)
diff --git a/damus/Models/URLHandler.swift b/damus/Models/URLHandler.swift
index 03198d8f1..4feec53d9 100644
--- a/damus/Models/URLHandler.swift
+++ b/damus/Models/URLHandler.swift
@@ -43,6 +43,18 @@ struct DamusURLHandler {
             return .route(.Script(script: model))
         case .purple(let purple_url):
             return await damus_state.purple.handle(purple_url: purple_url)
+        case .invoice(let invoice):
+            if damus_state.settings.show_wallet_selector {
+                return .sheet(.select_wallet(invoice: invoice.string))
+            } else {
+                do {
+                    try open_with_wallet(wallet: damus_state.settings.default_wallet.model, invoice: invoice.string)
+                    return .no_action
+                }
+                catch {
+                    return .sheet(.select_wallet(invoice: invoice.string))
+                }
+            }
         case nil:
             break
         }
@@ -91,6 +103,11 @@ struct DamusURLHandler {
             return .filter(filt)
         case .script(let script):
             return .script(script)
+        case .invoice(let bolt11):
+            if let invoice = decode_bolt11(bolt11) {
+                return .invoice(invoice)
+            }
+            return nil
         }
         return nil
     }
@@ -103,5 +120,6 @@ struct DamusURLHandler {
         case wallet_connect(WalletConnectURL)
         case script([UInt8])
         case purple(DamusPurpleURL)
+        case invoice(Invoice)
     }
 }
diff --git a/damus/Nostr/NostrLink.swift b/damus/Nostr/NostrLink.swift
index 160744290..6fd74e0e7 100644
--- a/damus/Nostr/NostrLink.swift
+++ b/damus/Nostr/NostrLink.swift
@@ -12,6 +12,7 @@ enum NostrLink: Equatable {
     case ref(RefId)
     case filter(NostrFilter)
     case script([UInt8])
+    case invoice(String)
 }
 
 func encode_pubkey_uri(_ pubkey: Pubkey) -> String {
@@ -93,8 +94,15 @@ func decode_nostr_uri(_ s: String) -> NostrLink? {
             return
         }
 
-    if parts.count >= 2 && parts[0] == "t" {
-        return .filter(NostrFilter(hashtag: [parts[1].lowercased()]))
+    if parts.count >= 2 {
+        switch parts[0] {
+        case "t":
+            return .filter(NostrFilter(hashtag: [parts[1].lowercased()]))
+        case "lightning":
+            return .invoice(parts[1])
+        default:
+            break
+        }
     }
 
     guard parts.count == 1 else {