BehaviourContext#followLocation

CHANGELOG.md

@@ -13,6 +13,7 @@
 * `Behaviour Builder`:
     * All triggers have been changed to use two filters: filter for in subcontext data and filter for incoming data
     * New waiters for edited content
+    * New extension `BehaviourContext#followLocation`
 
 ## 0.35.8
 

tgbotapi.extensions.behaviour_builder/src/commonMain/kotlin/dev/inmo/tgbotapi/extensions/behaviour_builder/utils/LiveLocation.kt

@@ -0,0 +1,30 @@
+package dev.inmo.tgbotapi.extensions.behaviour_builder.utils
+
+import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContext
+import dev.inmo.tgbotapi.extensions.behaviour_builder.BehaviourContextAndTypeReceiver
+import dev.inmo.tgbotapi.extensions.behaviour_builder.expectations.waitEditedLocation
+import dev.inmo.tgbotapi.types.location.*
+import dev.inmo.tgbotapi.types.message.abstracts.ContentMessage
+import dev.inmo.tgbotapi.types.message.content.LiveLocationContent
+
+/**
+ * Use this extension when you want to follow [LiveLocation] until it will became [StaticLocation]. This method
+ * is synchronous. You may use something like [kotlinx.coroutines.launch] or [kotlinx.coroutines.async] to run it
+ * asynchronously
+ */
+suspend fun BehaviourContext.followLocation(
+    message: ContentMessage<LiveLocationContent>,
+    onLocation: BehaviourContextAndTypeReceiver<Unit, Location>
+) {
+    var currentLocation: Location = message.content.location
+    onLocation(message.content.location)
+
+    while (currentLocation !is StaticLocation) {
+        currentLocation = waitEditedLocation(
+            filter = {
+                it.messageId == message.messageId && it.chat.id == message.chat.id
+            }
+        ).first().location
+        onLocation(currentLocation)
+    }
+}