chore: add analytics events for give/grab start

Signed-off-by: Brandon McAnsh <git@bmcreations.dev>

Author: bmc08gt

apps/flipcash/shared/analytics/src/main/kotlin/com/flipcash/app/analytics/Analytics.kt

@@ -14,6 +14,7 @@ import com.getcode.opencode.model.financial.LocalFiat
 import com.getcode.solana.keys.Mint
 
 interface FlipcashAnalyticsService : AnalyticsService {
+    fun transferStart(event: Analytics.Transfer.Initiate)
     fun transfer(event: Analytics.Transfer, amount: LocalFiat?, successful: Boolean = true, error: Throwable? = null)
     fun transfer(event: Analytics.Transfer, fiat: Fiat?, successful: Boolean = true, error: Throwable? = null)
     fun paidForAccount(price: Double, currency: CurrencyCode, owner: KeyPair)
@@ -40,6 +41,11 @@ interface FlipcashAnalyticsService : AnalyticsService {
 object Analytics {
 
     sealed interface Transfer {
+        sealed interface Initiate: Transfer {
+            data object GrabBillStart: Initiate
+            data object GiveBillStart: Initiate
+        }
+
         data class GrabBill(val time: Long? = null) : Transfer
         data object GiveBill : Transfer
         data object Withdrawal : Transfer
@@ -70,6 +76,7 @@ class StubFlipcashAnalytics : FlipcashAnalyticsService {
     override fun unintentionalLogout() = Unit
     override fun action(action: AppAction, source: AppActionSource?) = Unit
 
+    override fun transferStart(event: Analytics.Transfer.Initiate) = Unit
     override fun transfer(event: Analytics.Transfer, amount: LocalFiat?, successful: Boolean, error: Throwable?) = Unit
     override fun transfer(event: Analytics.Transfer, fiat: Fiat?, successful: Boolean, error: Throwable?) = Unit
     override fun paidForAccount(price: Double, currency: CurrencyCode, owner: KeyPair) = Unit

apps/flipcash/shared/analytics/src/main/kotlin/com/flipcash/app/analytics/Events.kt

@@ -76,6 +76,10 @@ internal sealed interface AnalyticsEvent {
 
     sealed interface Transfer : AnalyticsEvent
 
+    data object GrabBillStart: Transfer {
+        override val name = "Grab Bill Start"
+    }
+
     data class GrabBill(val time: Long?) : Transfer {
         override val name = "Grab Bill"
         override fun toProperties() = buildMap {
@@ -87,6 +91,10 @@ internal sealed interface AnalyticsEvent {
         override val name = "Give Bill"
     }
 
+    data object GiveBillStart : Transfer {
+        override val name = "Give Bill Start"
+    }
+
     data object Withdrawal : Transfer {
         override val name = "Withdrawal"
     }
@@ -281,7 +289,9 @@ internal fun Fiat.asProperties(): Map<String, String> {
 }
 
 internal fun Analytics.Transfer.toAnalyticsEvent(): AnalyticsEvent = when (this) {
+    is Analytics.Transfer.Initiate.GrabBillStart  -> AnalyticsEvent.GrabBillStart
     is Analytics.Transfer.GrabBill                -> AnalyticsEvent.GrabBill(time = time)
+    is Analytics.Transfer.Initiate.GiveBillStart  -> AnalyticsEvent.GiveBillStart
     is Analytics.Transfer.GiveBill                -> AnalyticsEvent.GiveBill
     is Analytics.Transfer.Withdrawal              -> AnalyticsEvent.Withdrawal
     is Analytics.Transfer.ClaimedCashLink         -> AnalyticsEvent.ClaimedCashLink

apps/flipcash/shared/analytics/src/main/kotlin/com/flipcash/app/analytics/internal/MixpanelAnalyticsDelegate.kt

@@ -56,6 +56,10 @@ internal class MixpanelAnalyticsDelegate @Inject constructor(
         track(name = action.value)
     }
 
+    override fun transferStart(event: Analytics.Transfer.Initiate) {
+        track(event.toAnalyticsEvent())
+    }
+
     override fun transfer(
         event: Analytics.Transfer,
         amount: LocalFiat?,

apps/flipcash/shared/session/src/main/kotlin/com/flipcash/app/session/internal/RealSessionController.kt

@@ -356,6 +356,7 @@ class RealSessionController @Inject constructor(
     }
 
     private fun awaitBillGrab(bill: Bill, owner: AccountCluster) {
+        analytics.transferStart(Analytics.Transfer.Initiate.GiveBillStart)
         billController.awaitGrab(
             amount = bill.amount,
             token = bill.token,
@@ -781,6 +782,7 @@ class RealSessionController @Inject constructor(
         )
         val owner = userManager.accountCluster ?: return
 
+        analytics.transferStart(Analytics.Transfer.Initiate.GrabBillStart)
         billController.attemptGrab(
             owner = owner,
             payload = payload,