add nip90 content discovery request

app/src/main/java/com/vitorpamplona/amethyst/ui/screen/loggedIn/NIP90ContentDiscoveryScreen.kt

@@ -72,25 +72,31 @@ private fun RenderNostrNIP90ContentDiscoveryScreen(
         if (DVMID != null) {
             Text(text = "Debug: DVM KEY:\n " + DVMID)
         }
-        // TODO Send KIND 5300 Event with p tag = DVMID
 
-        /*note.event?.let {
-            ReactionEvent.create(emojiUrl, it, signer) {
-                Client.send(it)
-                LocalCache.consume(it)
+        if (DVMID != null) {
+            // TODO 1 Send KIND 5300 Event with p tag = DVMID (crashes)
+
+            /*
+            var signer = accountViewModel.account.signer
+            NIP90ContentDiscoveryRequestEvent.create(DVMID, signer) {
+                // Client.send(it)
+                // LocalCache.justConsume(it, null)
             }
-        }*/
 
-        // TODO PARSE AND LOAD RESULTS FROM KIND 6300 REPLY to resultfeedmodel (RN this still is the bookmark list)
-        // TODO Render Results
+             */
 
-        HorizontalPager(state = pagerState) {
-            RefresheableFeedView(
-                resultFeedViewModel,
-                null,
-                accountViewModel = accountViewModel,
-                nav = nav,
-            )
+            // TODO 2 PARSE AND LOAD RESULTS FROM KIND 6300 REPLY to resultfeedmodel (RN this still is the bookmark list)
+
+            // TODO 3 Render Results (hopefully works when 2 is working)
+
+            HorizontalPager(state = pagerState) {
+                RefresheableFeedView(
+                    resultFeedViewModel,
+                    null,
+                    accountViewModel = accountViewModel,
+                    nav = nav,
+                )
+            }
         }
     }
 }

quartz/src/main/java/com/vitorpamplona/quartz/events/NIP90ContentDiscoveryRequestEvent.kt

@@ -0,0 +1,60 @@
+/**
+ * Copyright (c) 2024 Vitor Pamplona
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of
+ * this software and associated documentation files (the "Software"), to deal in
+ * the Software without restriction, including without limitation the rights to use,
+ * copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the
+ * Software, and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all
+ * copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+ * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+ * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+ * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+package com.vitorpamplona.quartz.events
+
+import androidx.compose.runtime.Immutable
+import androidx.compose.runtime.Stable
+import com.vitorpamplona.quartz.encoders.HexKey
+import com.vitorpamplona.quartz.signers.NostrSigner
+import com.vitorpamplona.quartz.utils.TimeUtils
+
+@Stable
+@Immutable
+class NIP90ContentDiscoveryRequestEvent(
+    id: HexKey,
+    pubKey: HexKey,
+    createdAt: Long,
+    tags: Array<Array<String>>,
+    content: String,
+    sig: HexKey,
+) : BaseAddressableEvent(id, pubKey, createdAt, KIND, tags, content, sig) {
+    @Transient private var cachedMetadata: AppMetadata? = null
+
+    companion object {
+        const val KIND = 5300
+
+        fun create(
+            addressedDVM: String,
+            signer: NostrSigner,
+            createdAt: Long = TimeUtils.now(),
+            onReady: (NIP90ContentDiscoveryRequestEvent) -> Unit,
+        ) {
+            val content = ""
+
+            // val clientTag = arrayOf("client", "Amethyst")
+
+            val tags = mutableListOf<Array<String>>()
+            tags.add(arrayOf("p", addressedDVM))
+            tags.add(arrayOf("alt", "NIP90 Content Discovery request"))
+            signer.sign(createdAt, KIND, tags.toTypedArray(), content, onReady)
+        }
+    }
+}