1. Adds Classified creation from Amethyst.

2. Adds relay information for Replaceable events.

.idea/inspectionProfiles/Project_Default.xml

@@ -3,30 +3,39 @@
     <option name="myName" value="Project Default" />
     <inspection_tool class="PreviewAnnotationInFunctionWithParameters" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewApiLevelMustBeValid" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewDimensionRespectsLimit" enabled="true" level="WARNING" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewFontScaleMustBeGreaterThanZero" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewMultipleParameterProviders" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewMustBeTopLevelFunction" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewNeedsComposableAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewNotSupportedInUnitTestFiles" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
     <inspection_tool class="PreviewPickerAnnotation" enabled="true" level="ERROR" enabled_by_default="true">
       <option name="composableFile" value="true" />
+      <option name="previewFile" value="true" />
     </inspection_tool>
   </profile>
 </component>

README.md

@@ -78,7 +78,7 @@ height="80">](https://github.com/vitorpamplona/amethyst/releases)
 - [x] Moderated Communities (NIP-72)
 - [x] Emoji Packs (Kind:30030)
 - [x] Personal Emoji Lists (Kind:10030)
-- [x] Classifieds (Kind:30403)
+- [x] Classifieds (Kind:30402)
 - [x] Private Messages and Small Groups (NIP-24)
 - [x] Gift Wraps & Seals (NIP-59)
 - [x] Versioned Encrypted Payloads (NIP-44)

app/src/main/java/com/vitorpamplona/amethyst/model/Account.kt

@@ -4,6 +4,8 @@ import android.content.res.Resources
 import android.util.Log
 import androidx.compose.runtime.Immutable
 import androidx.compose.runtime.Stable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.setValue
 import androidx.core.os.ConfigurationCompat
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.asFlow
@@ -30,6 +32,7 @@ import com.vitorpamplona.quartz.events.ChannelCreateEvent
 import com.vitorpamplona.quartz.events.ChannelMessageEvent
 import com.vitorpamplona.quartz.events.ChannelMetadataEvent
 import com.vitorpamplona.quartz.events.ChatMessageEvent
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
 import com.vitorpamplona.quartz.events.Contact
 import com.vitorpamplona.quartz.events.ContactListEvent
 import com.vitorpamplona.quartz.events.DeletionEvent
@@ -55,6 +58,7 @@ import com.vitorpamplona.quartz.events.MuteListEvent
 import com.vitorpamplona.quartz.events.NIP24Factory
 import com.vitorpamplona.quartz.events.PeopleListEvent
 import com.vitorpamplona.quartz.events.PollNoteEvent
+import com.vitorpamplona.quartz.events.Price
 import com.vitorpamplona.quartz.events.PrivateDmEvent
 import com.vitorpamplona.quartz.events.ReactionEvent
 import com.vitorpamplona.quartz.events.RelayAuthEvent
@@ -91,6 +95,7 @@ import kotlinx.coroutines.withTimeoutOrNull
 import java.math.BigDecimal
 import java.net.Proxy
 import java.util.Locale
+import java.util.UUID
 import kotlin.coroutines.resume
 
 val DefaultChannels = setOf(
@@ -447,7 +452,7 @@ class Account(
         val contactList = userProfile().latestContactList
 
         if (contactList != null && contactList.tags.isNotEmpty()) {
-            val event = ContactListEvent.updateRelayList(
+            ContactListEvent.updateRelayList(
                 earlierVersion = contactList,
                 relayUse = relays,
                 signer = signer
@@ -456,7 +461,7 @@ class Account(
                 LocalCache.justConsume(it, null)
             }
         } else {
-            val event = ContactListEvent.createFromScratch(
+            ContactListEvent.createFromScratch(
                 followUsers = listOf(),
                 followTags = listOf(),
                 followGeohashes = listOf(),
@@ -1025,6 +1030,64 @@ class Account(
         }
     }
 
+    fun sendClassifieds(
+        title: String,
+        price: Price,
+        condition: ClassifiedsEvent.CONDITION,
+        location: String,
+        category: String,
+        message: String,
+        replyTo: List<Note>?,
+        mentions: List<User>?,
+        directMentions: Set<HexKey>,
+        zapReceiver: List<ZapSplitSetup>? = null,
+        wantsToMarkAsSensitive: Boolean,
+        zapRaiserAmount: Long? = null,
+        relayList: List<Relay>? = null,
+        geohash: String? = null
+    ) {
+        if (!isWriteable()) return
+
+        val repliesToHex = replyTo?.filter { it.address() == null }?.map { it.idHex }
+        val mentionsHex = mentions?.map { it.pubkeyHex }
+        val addresses = replyTo?.mapNotNull { it.address() }
+
+        ClassifiedsEvent.create(
+            dTag = UUID.randomUUID().toString(),
+            title = title,
+            price = price,
+            condition = condition,
+            summary = message,
+            image = null,
+            location = location,
+            category = category,
+            message = message,
+            replyTos = repliesToHex,
+            mentions = mentionsHex,
+            addresses = addresses,
+            zapReceiver = zapReceiver,
+            markAsSensitive = wantsToMarkAsSensitive,
+            zapRaiserAmount = zapRaiserAmount,
+            directMentions = directMentions,
+            geohash = geohash,
+            signer = signer
+        ) {
+            Client.send(it, relayList = relayList)
+            LocalCache.justConsume(it, null)
+
+            replyTo?.forEach {
+                it.event?.let {
+                    Client.send(it, relayList = relayList)
+                }
+            }
+            addresses?.forEach {
+                LocalCache.getAddressableNoteIfExists(it.toTag())?.event?.let {
+                    Client.send(it, relayList = relayList)
+                }
+            }
+        }
+    }
+
     fun sendPost(
         message: String,
         replyTo: List<Note>?,
@@ -1500,7 +1563,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         } else {
             MuteListEvent.createListWithWord(
@@ -1509,7 +1572,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
     }
@@ -1525,7 +1588,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
 
@@ -1539,7 +1602,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
     }
@@ -1555,7 +1618,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         } else {
             MuteListEvent.createListWithUser(
@@ -1564,7 +1627,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
     }
@@ -1580,7 +1643,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
 
@@ -1594,7 +1657,7 @@ class Account(
                 signer = signer
             ) {
                 Client.send(it)
-                LocalCache.consume(it)
+                LocalCache.consume(it, null)
             }
         }
 

app/src/main/java/com/vitorpamplona/amethyst/model/LocalCache.kt

@@ -276,7 +276,7 @@ object LocalCache {
         // avoids processing empty contact lists.
         if (event.createdAt > (user.latestContactList?.createdAt ?: 0) && !event.tags.isEmpty()) {
             user.updateContactList(event)
-            // Log.d("CL", "AAA ${user.toBestDisplayName()} ${follows.size}")
+            // Log.d("CL", "Consumed contact list ${user.toNostrUri()} ${event.relays()?.size}")
         }
     }
 
@@ -426,16 +426,16 @@ object LocalCache {
         }
     }
 
-    fun consume(event: MuteListEvent) { consumeBaseReplaceable(event) }
-    fun consume(event: PeopleListEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: AdvertisedRelayListEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: CommunityDefinitionEvent, relay: Relay?) { consumeBaseReplaceable(event) }
-    fun consume(event: EmojiPackSelectionEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: EmojiPackEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: ClassifiedsEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: PinListEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: RelaySetEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: AudioTrackEvent) { consumeBaseReplaceable(event) }
+    fun consume(event: MuteListEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    fun consume(event: PeopleListEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: AdvertisedRelayListEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: CommunityDefinitionEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    fun consume(event: EmojiPackSelectionEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: EmojiPackEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: ClassifiedsEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: PinListEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: RelaySetEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: AudioTrackEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
     fun consume(event: StatusEvent, relay: Relay?) {
         val version = getOrCreateNote(event.id)
         val note = getOrCreateAddressableNote(event.address())
@@ -458,7 +458,7 @@ object LocalCache {
         }
     }
 
-    fun consume(event: BadgeDefinitionEvent) { consumeBaseReplaceable(event) }
+    fun consume(event: BadgeDefinitionEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
 
     fun consume(event: BadgeProfilesEvent) {
         val version = getOrCreateNote(event.id)
@@ -504,14 +504,14 @@ object LocalCache {
         refreshObservers(note)
     }
 
-    private fun comsume(event: NNSEvent) { consumeBaseReplaceable(event) }
-    fun consume(event: AppDefinitionEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: CalendarEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: CalendarDateSlotEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: CalendarTimeSlotEvent) { consumeBaseReplaceable(event) }
-    private fun consume(event: CalendarRSVPEvent) { consumeBaseReplaceable(event) }
+    private fun comsume(event: NNSEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    fun consume(event: AppDefinitionEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: CalendarEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: CalendarDateSlotEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: CalendarTimeSlotEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
+    private fun consume(event: CalendarRSVPEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
 
-    private fun consumeBaseReplaceable(event: BaseAddressableEvent) {
+    private fun consumeBaseReplaceable(event: BaseAddressableEvent, relay: Relay?) {
         val version = getOrCreateNote(event.id)
         val note = getOrCreateAddressableNote(event.address())
         val author = getOrCreateUser(event.pubKey)
@@ -521,6 +521,11 @@ object LocalCache {
             version.moveAllReferencesTo(note)
         }
 
+        if (relay != null) {
+            author.addRelayBeingUsed(relay, event.createdAt)
+            note.addRelay(relay)
+        }
+
         // Already processed this event.
         if (note.event?.id() == event.id()) return
 
@@ -531,7 +536,7 @@ object LocalCache {
         }
     }
 
-    fun consume(event: AppRecommendationEvent) { consumeBaseReplaceable(event) }
+    fun consume(event: AppRecommendationEvent, relay: Relay?) { consumeBaseReplaceable(event, relay) }
 
     @Suppress("UNUSED_PARAMETER")
     fun consume(event: RecommendRelayEvent) {
@@ -1511,26 +1516,26 @@ object LocalCache {
 
         try {
             when (event) {
-                is AdvertisedRelayListEvent -> consume(event)
-                is AppDefinitionEvent -> consume(event)
-                is AppRecommendationEvent -> consume(event)
+                is AdvertisedRelayListEvent -> consume(event, relay)
+                is AppDefinitionEvent -> consume(event, relay)
+                is AppRecommendationEvent -> consume(event, relay)
                 is AudioHeaderEvent -> consume(event, relay)
-                is AudioTrackEvent -> consume(event)
+                is AudioTrackEvent -> consume(event, relay)
                 is BadgeAwardEvent -> consume(event)
-                is BadgeDefinitionEvent -> consume(event)
+                is BadgeDefinitionEvent -> consume(event, relay)
                 is BadgeProfilesEvent -> consume(event)
                 is BookmarkListEvent -> consume(event)
-                is CalendarEvent -> consume(event)
-                is CalendarDateSlotEvent -> consume(event)
-                is CalendarTimeSlotEvent -> consume(event)
-                is CalendarRSVPEvent -> consume(event)
+                is CalendarEvent -> consume(event, relay)
+                is CalendarDateSlotEvent -> consume(event, relay)
+                is CalendarTimeSlotEvent -> consume(event, relay)
+                is CalendarRSVPEvent -> consume(event, relay)
                 is ChannelCreateEvent -> consume(event)
                 is ChannelHideMessageEvent -> consume(event)
                 is ChannelMessageEvent -> consume(event, relay)
                 is ChannelMetadataEvent -> consume(event)
                 is ChannelMuteUserEvent -> consume(event)
                 is ChatMessageEvent -> consume(event, relay)
-                is ClassifiedsEvent -> consume(event)
+                is ClassifiedsEvent -> consume(event, relay)
                 is CommunityDefinitionEvent -> consume(event, relay)
                 is CommunityPostApprovalEvent -> {
                     event.containedPost()?.let {
@@ -1540,8 +1545,8 @@ object LocalCache {
                 }
                 is ContactListEvent -> consume(event)
                 is DeletionEvent -> consume(event)
-                is EmojiPackEvent -> consume(event)
-                is EmojiPackSelectionEvent -> consume(event)
+                is EmojiPackEvent -> consume(event, relay)
+                is EmojiPackSelectionEvent -> consume(event, relay)
                 is SealedGossipEvent -> consume(event, relay)
 
                 is FileHeaderEvent -> consume(event, relay)
@@ -1563,15 +1568,15 @@ object LocalCache {
                 is LnZapPaymentResponseEvent -> consume(event)
                 is LongTextNoteEvent -> consume(event, relay)
                 is MetadataEvent -> consume(event)
-                is MuteListEvent -> consume(event)
-                is NNSEvent -> comsume(event)
+                is MuteListEvent -> consume(event, relay)
+                is NNSEvent -> comsume(event, relay)
                 is PrivateDmEvent -> consume(event, relay)
-                is PinListEvent -> consume(event)
-                is PeopleListEvent -> consume(event)
+                is PinListEvent -> consume(event, relay)
+                is PeopleListEvent -> consume(event, relay)
                 is PollNoteEvent -> consume(event, relay)
                 is ReactionEvent -> consume(event)
                 is RecommendRelayEvent -> consume(event)
-                is RelaySetEvent -> consume(event)
+                is RelaySetEvent -> consume(event, relay)
                 is ReportEvent -> consume(event, relay)
                 is RepostEvent -> {
                     event.containedPost()?.let {

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostView.kt

@@ -42,6 +42,7 @@ import androidx.compose.material.icons.filled.Bolt
 import androidx.compose.material.icons.filled.CurrencyBitcoin
 import androidx.compose.material.icons.filled.LocationOff
 import androidx.compose.material.icons.filled.LocationOn
+import androidx.compose.material.icons.filled.Sell
 import androidx.compose.material.icons.filled.ShowChart
 import androidx.compose.material.icons.filled.Visibility
 import androidx.compose.material.icons.filled.VisibilityOff
@@ -93,6 +94,7 @@ import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.semantics.Role
 import androidx.compose.ui.text.font.FontWeight
 import androidx.compose.ui.text.input.KeyboardCapitalization
+import androidx.compose.ui.text.input.KeyboardType
 import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.text.style.TextAlign
 import androidx.compose.ui.text.style.TextDirection
@@ -152,6 +154,7 @@ import com.vitorpamplona.amethyst.ui.theme.mediumImportanceLink
 import com.vitorpamplona.amethyst.ui.theme.placeholderText
 import com.vitorpamplona.amethyst.ui.theme.replyModifier
 import com.vitorpamplona.amethyst.ui.theme.subtleBorder
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
 import com.vitorpamplona.quartz.events.toImmutableListOfLists
 import kotlinx.collections.immutable.ImmutableList
 import kotlinx.collections.immutable.toImmutableList
@@ -345,6 +348,15 @@ fun NewPostView(
                                     }
                                 }
 
+                                if (postViewModel.wantsProduct) {
+                                    Row(
+                                        verticalAlignment = Alignment.CenterVertically,
+                                        modifier = Modifier.padding(vertical = Size5dp, horizontal = Size10dp)
+                                    ) {
+                                        SellProduct(postViewModel = postViewModel)
+                                    }
+                                }
+
                                 MessageField(postViewModel)
 
                                 if (postViewModel.wantsPoll) {
@@ -530,6 +542,16 @@ fun NewPostView(
                                 // postViewModel.includePollHashtagInMessage(postViewModel.wantsPoll, hashtag)
                                 AddPollButton(postViewModel.wantsPoll) {
                                     postViewModel.wantsPoll = !postViewModel.wantsPoll
+                                    if (postViewModel.wantsPoll) {
+                                        postViewModel.wantsProduct = false
+                                    }
+                                }
+                            }
+
+                            AddClassifiedsButton(postViewModel) {
+                                postViewModel.wantsProduct = !postViewModel.wantsProduct
+                                if (postViewModel.wantsProduct) {
+                                    postViewModel.wantsPoll = false
                                 }
                             }
 
@@ -635,7 +657,11 @@ private fun MessageField(
             },
         placeholder = {
             Text(
-                text = stringResource(R.string.what_s_on_your_mind),
+                text = if (postViewModel.wantsProduct) {
+                    stringResource(R.string.description)
+                } else {
+                    stringResource(R.string.what_s_on_your_mind)
+                },
                 color = MaterialTheme.colorScheme.placeholderText
             )
         },
@@ -776,6 +802,227 @@ fun SendDirectMessageTo(postViewModel: NewPostViewModel) {
     }
 }
 
+@Composable
+fun SellProduct(postViewModel: NewPostViewModel) {
+    Column(
+        modifier = Modifier.fillMaxWidth()
+    ) {
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.classifieds_title),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            MyTextField(
+                value = postViewModel.title,
+                onValueChange = {
+                    postViewModel.title = it
+                },
+                modifier = Modifier.fillMaxWidth(),
+                placeholder = {
+                    Text(
+                        text = stringResource(R.string.classifieds_title_placeholder),
+                        color = MaterialTheme.colorScheme.placeholderText
+                    )
+                },
+                visualTransformation = UrlUserTagTransformation(
+                    MaterialTheme.colorScheme.primary
+                ),
+                colors = OutlinedTextFieldDefaults.colors(
+                    unfocusedBorderColor = Color.Transparent,
+                    focusedBorderColor = Color.Transparent
+                )
+            )
+        }
+
+        Divider()
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.classifieds_price),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            MyTextField(
+                modifier = Modifier.fillMaxWidth(),
+                value = postViewModel.price,
+                onValueChange = {
+                    runCatching {
+                        if (it.text.isEmpty()) {
+                            postViewModel.price = TextFieldValue("")
+                        } else if (it.text.toLongOrNull() != null) {
+                            postViewModel.price = it
+                        }
+                    }
+                },
+                placeholder = {
+                    Text(
+                        text = "1000",
+                        color = MaterialTheme.colorScheme.placeholderText
+                    )
+                },
+                keyboardOptions = KeyboardOptions.Default.copy(
+                    keyboardType = KeyboardType.Number
+                ),
+                singleLine = true,
+                colors = OutlinedTextFieldDefaults.colors(
+                    unfocusedBorderColor = Color.Transparent,
+                    focusedBorderColor = Color.Transparent
+                )
+            )
+        }
+
+        Divider()
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.classifieds_condition),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            val conditionTypes = listOf(
+                Triple(ClassifiedsEvent.CONDITION.NEW, stringResource(id = R.string.classifieds_condition_new), stringResource(id = R.string.classifieds_condition_new_explainer)),
+                Triple(ClassifiedsEvent.CONDITION.USED_LIKE_NEW, stringResource(id = R.string.classifieds_condition_like_new), stringResource(id = R.string.classifieds_condition_like_new_explainer)),
+                Triple(ClassifiedsEvent.CONDITION.USED_GOOD, stringResource(id = R.string.classifieds_condition_good), stringResource(id = R.string.classifieds_condition_good_explainer)),
+                Triple(ClassifiedsEvent.CONDITION.USED_FAIR, stringResource(id = R.string.classifieds_condition_fair), stringResource(id = R.string.classifieds_condition_fair_explainer))
+            )
+
+            val conditionOptions = remember { conditionTypes.map { TitleExplainer(it.second, it.third) }.toImmutableList() }
+
+            TextSpinner(
+                placeholder = conditionTypes.filter { it.first == postViewModel.condition }.first().second,
+                options = conditionOptions,
+                onSelect = {
+                    postViewModel.condition = conditionTypes[it].first
+                },
+                modifier = Modifier
+                    .weight(1f)
+                    .padding(end = 5.dp, bottom = 1.dp)
+            ) { currentOption, modifier ->
+                MyTextField(
+                    value = TextFieldValue(currentOption),
+                    onValueChange = {},
+                    readOnly = true,
+                    modifier = modifier,
+                    singleLine = true,
+                    colors = OutlinedTextFieldDefaults.colors(
+                        unfocusedBorderColor = Color.Transparent,
+                        focusedBorderColor = Color.Transparent
+                    )
+                )
+            }
+        }
+
+        Divider()
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.classifieds_category),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            val categoryList = listOf(
+                R.string.classifieds_category_clothing,
+                R.string.classifieds_category_accessories,
+                R.string.classifieds_category_electronics,
+                R.string.classifieds_category_furniture,
+                R.string.classifieds_category_collectibles,
+                R.string.classifieds_category_books,
+                R.string.classifieds_category_pets,
+                R.string.classifieds_category_sports,
+                R.string.classifieds_category_fitness,
+                R.string.classifieds_category_art,
+                R.string.classifieds_category_crafts,
+                R.string.classifieds_category_home,
+                R.string.classifieds_category_office,
+                R.string.classifieds_category_food,
+                R.string.classifieds_category_misc,
+                R.string.classifieds_category_other
+            )
+
+            val categoryTypes = categoryList.map {
+                Triple(it, stringResource(id = it), null)
+            }
+
+            val categoryOptions = remember { categoryTypes.map { TitleExplainer(it.second, null) }.toImmutableList() }
+            TextSpinner(
+                placeholder = categoryTypes.filter { it.second == postViewModel.category.text }.firstOrNull()?.second ?: "",
+                options = categoryOptions,
+                onSelect = {
+                    postViewModel.category = TextFieldValue(categoryTypes[it].second)
+                },
+                modifier = Modifier
+                    .weight(1f)
+                    .padding(end = 5.dp, bottom = 1.dp)
+            ) { currentOption, modifier ->
+                MyTextField(
+                    value = TextFieldValue(currentOption),
+                    onValueChange = {},
+                    readOnly = true,
+                    modifier = modifier,
+                    singleLine = true,
+                    colors = OutlinedTextFieldDefaults.colors(
+                        unfocusedBorderColor = Color.Transparent,
+                        focusedBorderColor = Color.Transparent
+                    )
+                )
+            }
+        }
+
+        Divider()
+
+        Row(
+            verticalAlignment = Alignment.CenterVertically,
+            modifier = Modifier.fillMaxWidth()
+        ) {
+            Text(
+                text = stringResource(R.string.classifieds_location),
+                fontSize = Font14SP,
+                fontWeight = FontWeight.W500
+            )
+
+            MyTextField(
+                value = postViewModel.locationText,
+                onValueChange = {
+                    postViewModel.locationText = it
+                },
+                modifier = Modifier.fillMaxWidth(),
+                placeholder = {
+                    Text(
+                        text = stringResource(R.string.classifieds_location_placeholder),
+                        color = MaterialTheme.colorScheme.placeholderText
+                    )
+                },
+                visualTransformation = UrlUserTagTransformation(
+                    MaterialTheme.colorScheme.primary
+                ),
+                colors = OutlinedTextFieldDefaults.colors(
+                    unfocusedBorderColor = Color.Transparent,
+                    focusedBorderColor = Color.Transparent
+                )
+            )
+        }
+
+        Divider()
+    }
+}
+
 @Composable
 fun FowardZapTo(postViewModel: NewPostViewModel, accountViewModel: AccountViewModel) {
     Column(
@@ -1213,6 +1460,36 @@ private fun ForwardZapTo(
     }
 }
 
+@Composable
+private fun AddClassifiedsButton(
+    postViewModel: NewPostViewModel,
+    onClick: () -> Unit
+) {
+    IconButton(
+        onClick = {
+            onClick()
+        }
+    ) {
+        if (!postViewModel.wantsProduct) {
+            Icon(
+                imageVector = Icons.Default.Sell,
+                contentDescription = stringResource(R.string.classifieds),
+                modifier = Modifier
+                    .size(20.dp),
+                tint = MaterialTheme.colorScheme.onBackground
+            )
+        } else {
+            Icon(
+                imageVector = Icons.Default.Sell,
+                contentDescription = stringResource(id = R.string.classifieds),
+                modifier = Modifier
+                    .size(20.dp),
+                tint = BitcoinOrange
+            )
+        }
+    }
+}
+
 @Composable
 private fun MarkAsSensitive(
     postViewModel: NewPostViewModel,

app/src/main/java/com/vitorpamplona/amethyst/ui/actions/NewPostViewModel.kt

@@ -33,7 +33,9 @@ import com.vitorpamplona.quartz.encoders.HexKey
 import com.vitorpamplona.quartz.events.AddressableEvent
 import com.vitorpamplona.quartz.events.BaseTextNoteEvent
 import com.vitorpamplona.quartz.events.ChatMessageEvent
+import com.vitorpamplona.quartz.events.ClassifiedsEvent
 import com.vitorpamplona.quartz.events.CommunityDefinitionEvent
+import com.vitorpamplona.quartz.events.Price
 import com.vitorpamplona.quartz.events.PrivateDmEvent
 import com.vitorpamplona.quartz.events.TextNoteEvent
 import com.vitorpamplona.quartz.events.ZapSplitSetup
@@ -94,6 +96,14 @@ open class NewPostViewModel() : ViewModel() {
     var isValidConsensusThreshold = mutableStateOf(true)
     var isValidClosedAt = mutableStateOf(true)
 
+    // Classifieds
+    var wantsProduct by mutableStateOf(false)
+    var title by mutableStateOf(TextFieldValue(""))
+    var price by mutableStateOf(TextFieldValue(""))
+    var locationText by mutableStateOf(TextFieldValue(""))
+    var category by mutableStateOf(TextFieldValue(""))
+    var condition by mutableStateOf<ClassifiedsEvent.CONDITION>(ClassifiedsEvent.CONDITION.USED_LIKE_NEW)
+
     // Invoices
     var canAddInvoice by mutableStateOf(false)
     var wantsInvoice by mutableStateOf(false)
@@ -273,6 +283,23 @@ open class NewPostViewModel() : ViewModel() {
                     relayList,
                     geoHash
                 )
+            } else if (wantsProduct) {
+                account?.sendClassifieds(
+                    title = title.text,
+                    price = Price(price.text, "SATS", null),
+                    condition = condition,
+                    message = tagger.message,
+                    replyTo = tagger.replyTos,
+                    mentions = tagger.mentions,
+                    location = locationText.text,
+                    category = category.text,
+                    directMentions = tagger.directMentions,
+                    zapReceiver = zapReceiver,
+                    wantsToMarkAsSensitive = wantsToMarkAsSensitive,
+                    zapRaiserAmount = localZapRaiserAmount,
+                    relayList = relayList,
+                    geohash = geoHash
+                )
             } else {
                 // adds markers
                 val rootId =
@@ -338,6 +365,7 @@ open class NewPostViewModel() : ViewModel() {
                                     }
                                 },
                                 onError = {
+                                    Log.e("ImageUploader", "Failed to upload the image / video", it)
                                     isUploadingImage = false
                                     viewModelScope.launch {
                                         imageUploadingError.emit("Failed to upload the image / video")
@@ -381,6 +409,10 @@ open class NewPostViewModel() : ViewModel() {
         wantsZapraiser = false
         zapRaiserAmount = null
 
+        wantsProduct = false
+        condition = ClassifiedsEvent.CONDITION.USED_LIKE_NEW
+        price = TextFieldValue("")
+
         wantsForwardZapTo = false
         wantsToMarkAsSensitive = false
         wantsToAddGeoHash = false
@@ -527,6 +559,7 @@ open class NewPostViewModel() : ViewModel() {
             (!wantsZapraiser || zapRaiserAmount != null) &&
             (!wantsDirectMessage || !toUsers.text.isNullOrBlank()) &&
             (!wantsPoll || (pollOptions.values.all { it.isNotEmpty() } && isValidvalueMinimum.value && isValidvalueMaximum.value)) &&
+            (!wantsProduct || (!title.text.isNullOrBlank() && !price.text.isNullOrBlank() && !category.text.isNullOrBlank())) &&
             contentToAddUrl == null
     }
 

app/src/main/java/com/vitorpamplona/amethyst/ui/components/TextSpinner.kt

@@ -25,6 +25,7 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
 import androidx.compose.runtime.setValue
+import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.focus.focusRequester
@@ -43,6 +44,30 @@ fun TextSpinner(
     options: ImmutableList<TitleExplainer>,
     onSelect: (Int) -> Unit,
     modifier: Modifier = Modifier
+) {
+    TextSpinner(
+        placeholder,
+        options,
+        onSelect,
+        modifier
+    ) { currentOption, modifier ->
+        OutlinedTextField(
+            value = currentOption,
+            onValueChange = {},
+            readOnly = true,
+            label = { label?.let { Text(it) } },
+            modifier = modifier
+        )
+    }
+}
+
+@Composable
+fun TextSpinner(
+    placeholder: String,
+    options: ImmutableList<TitleExplainer>,
+    onSelect: (Int) -> Unit,
+    modifier: Modifier = Modifier,
+    mainElement: @Composable (currentOption: String, modifier: Modifier) -> Unit
 ) {
     val focusRequester = remember { FocusRequester() }
     val interactionSource = remember { MutableInteractionSource() }
@@ -50,16 +75,16 @@ fun TextSpinner(
     var currentText by remember { mutableStateOf(placeholder) }
 
     Box(
-        modifier = modifier
+        modifier = modifier,
+        contentAlignment = Alignment.Center
     ) {
-        OutlinedTextField(
-            value = currentText,
-            onValueChange = {},
-            readOnly = true,
-            label = { label?.let { Text(it) } },
-            modifier = Modifier
-                .fillMaxWidth()
-                .focusRequester(focusRequester)
+        mainElement(
+            currentText,
+            remember {
+                Modifier
+                    .fillMaxWidth()
+                    .focusRequester(focusRequester)
+            }
         )
         Box(
             modifier = Modifier

app/src/main/res/values/strings.xml

@@ -673,4 +673,44 @@
     <string name="send_the_seller_a_message">Send the seller a message</string>
     <string name="hi_seller_is_this_still_available">Hi %1$s, is this still available?</string>
     <string name="hi_there_is_this_still_available">Hi there, is this still available?</string>
+
+    <string name="classifieds">Sell an Item</string>
+
+    <string name="classifieds_title">Title</string>
+    <string name="classifieds_title_placeholder">iPhone 13</string>
+    <string name="classifieds_condition">Condition</string>
+    <string name="classifieds_category">Category</string>
+    <string name="classifieds_price">Price (in Sats)</string>
+    <string name="classifieds_price_placeholder">1000</string>
+    <string name="classifieds_location">Location</string>
+    <string name="classifieds_location_placeholder">City, State, Country</string>
+
+    <string name="classifieds_condition_new">New</string>
+    <string name="classifieds_condition_new_explainer">It\'s a brand new unit, in the original box</string>
+
+    <string name="classifieds_condition_like_new">Like New</string>
+    <string name="classifieds_condition_like_new_explainer">It\'s used, but there are no signs of usage</string>
+
+    <string name="classifieds_condition_good">Good</string>
+    <string name="classifieds_condition_good_explainer">It has some superficial usage marks</string>
+
+    <string name="classifieds_condition_fair">Fair</string>
+    <string name="classifieds_condition_fair_explainer">It is still in acceptable and functional shape</string>
+
+    <string name="classifieds_category_clothing">Clothing</string>
+    <string name="classifieds_category_accessories">Accessories</string>
+    <string name="classifieds_category_electronics">Electronics</string>
+    <string name="classifieds_category_furniture">Furniture</string>
+    <string name="classifieds_category_collectibles">Collectibles</string>
+    <string name="classifieds_category_books">Books</string>
+    <string name="classifieds_category_pets">Pets</string>
+    <string name="classifieds_category_sports">Sports</string>
+    <string name="classifieds_category_fitness">Fitness</string>
+    <string name="classifieds_category_art">Art</string>
+    <string name="classifieds_category_crafts">Crafts</string>
+    <string name="classifieds_category_home">Home</string>
+    <string name="classifieds_category_office">Office</string>
+    <string name="classifieds_category_food">Food</string>
+    <string name="classifieds_category_misc">Miscellaneous</string>
+    <string name="classifieds_category_other">Other</string>
 </resources>

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

@@ -19,6 +19,7 @@ class ClassifiedsEvent(
 ) : BaseAddressableEvent(id, pubKey, createdAt, kind, tags, content, sig) {
     fun title() = tags.firstOrNull { it.size > 1 && it[0] == "title" }?.get(1)
     fun image() = tags.firstOrNull { it.size > 1 && it[0] == "image" }?.get(1)
+    fun condition() = tags.firstOrNull { it.size > 1 && it[0] == "condition" }?.get(1)
     fun images() = tags.filter { it.size > 1 && it[0] == "image" }.map { it[1] }
     fun summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)
     fun price() = tags.firstOrNull { it.size > 1 && it[0] == "price" }?.let {
@@ -32,23 +33,65 @@ class ClassifiedsEvent(
         null
     }
 
+    enum class CONDITION(val value: String){
+        NEW("new"),
+        USED_LIKE_NEW("like new"),
+        USED_GOOD("good"),
+        USED_FAIR("fair"),
+    }
+
     companion object {
         const val kind = 30402
+        private val imageExtensions = listOf("png", "jpg", "gif", "bmp", "jpeg", "webp", "svg")
 
         fun create(
             dTag: String,
             title: String?,
             image: String?,
             summary: String?,
+            message: String,
             price: Price?,
             location: String?,
-            publishedAt: Long?,
+            category: String?,
+            condition: ClassifiedsEvent.CONDITION?,
+            publishedAt: Long? = TimeUtils.now(),
+            replyTos: List<String>?,
+            addresses: List<ATag>?,
+            mentions: List<String>?,
+            directMentions: Set<HexKey>,
+            zapReceiver: List<ZapSplitSetup>? = null,
+            markAsSensitive: Boolean,
+            zapRaiserAmount: Long?,
+            geohash: String? = null,
             signer: NostrSigner,
             createdAt: Long = TimeUtils.now(),
             onReady: (ClassifiedsEvent) -> Unit
         ) {
             val tags = mutableListOf<Array<String>>()
 
+            replyTos?.forEach {
+                if (it in directMentions) {
+                    tags.add(arrayOf("e", it, "", "mention"))
+                } else {
+                    tags.add(arrayOf("e", it))
+                }
+            }
+            mentions?.forEach {
+                if (it in directMentions) {
+                    tags.add(arrayOf("p", it, "", "mention"))
+                } else {
+                    tags.add(arrayOf("p", it))
+                }
+            }
+            addresses?.forEach {
+                val aTag = it.toTag()
+                if (aTag in directMentions) {
+                    tags.add(arrayOf("a", aTag, "", "mention"))
+                } else {
+                    tags.add(arrayOf("a", aTag))
+                }
+            }
+
             tags.add(arrayOf("d", dTag))
             title?.let { tags.add(arrayOf("title", it)) }
             image?.let { tags.add(arrayOf("image", it)) }
@@ -62,11 +105,36 @@ class ClassifiedsEvent(
                     tags.add(arrayOf("price", it.amount))
                 }
             }
+            category?.let { tags.add(arrayOf("t", it)) }
             location?.let { tags.add(arrayOf("location", it)) }
             publishedAt?.let { tags.add(arrayOf("publishedAt", it.toString())) }
-            title?.let { tags.add(arrayOf("title", it)) }
+            condition?.let { tags.add(arrayOf("condition", it.value)) }
 
-            signer.sign(createdAt, kind, tags.toTypedArray(), "", onReady)
+            findHashtags(message).forEach {
+                tags.add(arrayOf("t", it))
+                tags.add(arrayOf("t", it.lowercase()))
+            }
+            zapReceiver?.forEach {
+                tags.add(arrayOf("zap", it.lnAddressOrPubKeyHex, it.relay ?: "", it.weight.toString()))
+            }
+            findURLs(message).forEach {
+                val removedParamsFromUrl = it.split("?")[0].lowercase()
+                if (imageExtensions.any { removedParamsFromUrl.endsWith(it) }) {
+                    tags.add(arrayOf("image", it))
+                }
+                tags.add(arrayOf("r", it))
+            }
+            if (markAsSensitive) {
+                tags.add(arrayOf("content-warning", ""))
+            }
+            zapRaiserAmount?.let {
+                tags.add(arrayOf("zapraiser", "$it"))
+            }
+            geohash?.let {
+                tags.addAll(geohashMipMap(it))
+            }
+
+            signer.sign(createdAt, kind, tags.toTypedArray(), message, onReady)
         }
     }
 }