Adds StatusEvent support

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

@@ -120,6 +120,12 @@ open class Event(
         return tags.any { it.size > 1 && it[0] == "a" && it[1].startsWith(kindStr) }
     }
 
+    override fun expiration() = try {
+        tags.firstOrNull { it.size > 1 && it[0] == "expiration" }?.get(1)?.toLongOrNull()
+    } catch (_: Exception) {
+        null
+    }
+
     override fun getTagOfAddressableKind(kind: Int): ATag? {
         val kindStr = kind.toString()
         val aTag = tags

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

@@ -49,6 +49,8 @@ interface EventInterface {
     fun isTaggedAddressableKind(kind: Int): Boolean
     fun getTagOfAddressableKind(kind: Int): ATag?
 
+    fun expiration(): Long?
+
     fun hashtags(): List<String>
     fun geohashes(): List<String>
 

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

@@ -8,7 +8,7 @@ import com.vitorpamplona.quartz.encoders.ATag
 import com.vitorpamplona.quartz.encoders.HexKey
 
 @Immutable
-class ClassifiedsEvent(
+class StatusEvent(
     id: HexKey,
     pubKey: HexKey,
     createdAt: Long,
@@ -16,59 +16,25 @@ class ClassifiedsEvent(
     content: String,
     sig: HexKey
 ) : 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 summary() = tags.firstOrNull { it.size > 1 && it[0] == "summary" }?.get(1)
-    fun price() = tags.firstOrNull { it.size > 1 && it[0] == "price" }?.let {
-        Price(it[1], it.getOrNull(2), it.getOrNull(3))
-    }
-    fun location() = tags.firstOrNull { it.size > 1 && it[0] == "location" }?.get(1)
-
-    fun publishedAt() = try {
-        tags.firstOrNull { it.size > 1 && it[0] == "published_at" }?.get(1)?.toLongOrNull()
-    } catch (_: Exception) {
-        null
-    }
 
     companion object {
-        const val kind = 30402
+        const val kind = 30315
 
         fun create(
-            dTag: String,
+            type: String,
-            title: String?,
+            expiration: Long?,
-            image: String?,
-            summary: String?,
-            price: Price?,
-            location: String?,
-            publishedAt: Long?,
             privateKey: ByteArray,
             createdAt: Long = TimeUtils.now()
-        ): ClassifiedsEvent {
+        ): StatusEvent {
             val tags = mutableListOf<List<String>>()
 
-            tags.add(listOf("d", dTag))
+            tags.add(listOf("d", type))
-            title?.let { tags.add(listOf("title", it)) }
+            expiration?.let { tags.add(listOf("publishedAt", it.toString())) }
-            image?.let { tags.add(listOf("image", it)) }
-            summary?.let { tags.add(listOf("summary", it)) }
-            price?.let {
-                if (it.frequency != null && it.currency != null) {
-                    tags.add(listOf("price", it.amount, it.currency, it.frequency))
-                } else if (it.currency != null) {
-                    tags.add(listOf("price", it.amount, it.currency))
-                } else {
-                    tags.add(listOf("price", it.amount))
-                }
-            }
-            location?.let { tags.add(listOf("location", it)) }
-            publishedAt?.let { tags.add(listOf("publishedAt", it.toString())) }
-            title?.let { tags.add(listOf("title", it)) }
 
             val pubKey = CryptoUtils.pubkeyCreate(privateKey).toHexKey()
             val id = generateId(pubKey, createdAt, kind, tags, "")
             val sig = CryptoUtils.sign(id, privateKey)
-            return ClassifiedsEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
+            return StatusEvent(id.toHexKey(), pubKey, createdAt, tags, "", sig.toHexKey())
         }
     }
 }
-
-data class Price(val amount: String, val currency: String?, val frequency: String?)