street furniture overlay

app/src/main/java/de/westnordost/streetcomplete/data/osm/osmquests/OsmElementQuestType.kt

@@ -54,7 +54,7 @@ interface OsmElementQuestType<T> : QuestType, ElementEditType {
      *  elements that are expected to be some kind of shop/amenity should be replaceable this way,
      *  i.e. anything that when it's gone, there is a vacant shop then.
      *  */
-    val isReplaceShopEnabled: Boolean get() = false
+    val isReplacePlaceEnabled: Boolean get() = false
 
     override val title: Int get() = getTitle(emptyMap())
 

app/src/main/java/de/westnordost/streetcomplete/osm/Lifecycle.kt

@@ -0,0 +1,21 @@
+package de.westnordost.streetcomplete.osm
+
+import de.westnordost.streetcomplete.data.osm.mapdata.Element
+import de.westnordost.streetcomplete.util.ktx.copy
+
+/** Returns a copy of this element with all tags prefixed with the given [lifecycle] prefix moved
+ *  to normal tags space and all others cleared.
+ *  Returns `null` if the element has no tags with the given [lifecycle] prefix
+ *
+ *  E.g. when calling this method with [lifecycle] = "disused" for an element with the tags
+ *  `building=yes` + `disused:shop=yes` , a copy of that element is returned with the only tag
+ *  `shop=yes`. */
+fun Element.asIfItWasnt(lifecycle: String): Element? =
+    if (tags.hasPrefixed(lifecycle)) copy(tags = tags.getPrefixedOnly(lifecycle)) else null
+
+private fun Map<String, String>.hasPrefixed(prefix: String): Boolean =
+    any { it.key.startsWith("$prefix:") }
+
+private fun Map<String, String>.getPrefixedOnly(prefix: String): Map<String, String> = this
+    .filter { it.key.startsWith("$prefix:") }
+    .mapKeys { it.key.substring(prefix.length + 1) }