Add Gplay and FOSS upgrade scaffolding

app/src/foss/java/eu/darken/capod/common/upgrade/UpgradeModule.kt

@@ -0,0 +1,17 @@
+package eu.darken.capod.common.upgrade
+
+import dagger.Binds
+import dagger.Module
+import dagger.hilt.InstallIn
+import dagger.hilt.components.SingletonComponent
+import eu.darken.capod.common.upgrade.core.UpgradeControlFoss
+import javax.inject.Singleton
+
+@InstallIn(SingletonComponent::class)
+@Module
+abstract class UpgradeModule {
+    @Binds
+    @Singleton
+    abstract fun control(foss: UpgradeControlFoss): UpgradeRepo
+
+}

app/src/foss/java/eu/darken/capod/common/upgrade/core/FossCache.kt

@@ -0,0 +1,24 @@
+package eu.darken.capod.common.upgrade.core
+
+import android.content.Context
+import com.squareup.moshi.Moshi
+import dagger.hilt.android.qualifiers.ApplicationContext
+import eu.darken.capod.common.preferences.createFlowPreference
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class FossCache @Inject constructor(
+    @ApplicationContext context: Context,
+    moshi: Moshi
+) {
+
+    private val preferences = context.getSharedPreferences("settings_foss", Context.MODE_PRIVATE)
+
+    val upgrade = preferences.createFlowPreference<FossUpgrade?>(
+        key = "foss.upgrade",
+        moshi = moshi,
+        defaultValue = null,
+    )
+
+}

app/src/foss/java/eu/darken/capod/common/upgrade/core/FossUpgrade.kt

@@ -0,0 +1,18 @@
+package eu.darken.capod.common.upgrade.core
+
+import com.squareup.moshi.Json
+import com.squareup.moshi.JsonClass
+import java.time.Instant
+
+@JsonClass(generateAdapter = true)
+data class FossUpgrade(
+    val upgradedAt: Instant,
+    val reason: Reason
+) {
+    @JsonClass(generateAdapter = false)
+    enum class Reason {
+        @Json(name = "foss.upgrade.reason.donated") DONATED,
+        @Json(name = "foss.upgrade.reason.alreadydonated") ALREADY_DONATED,
+        @Json(name = "foss.upgrade.reason.nomoney") NO_MONEY;
+    }
+}

app/src/foss/java/eu/darken/capod/common/upgrade/core/UpgradeControlFoss.kt

@@ -0,0 +1,71 @@
+package eu.darken.capod.common.upgrade.core
+
+import android.app.Activity
+import android.widget.Toast
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
+import eu.darken.capod.R
+import eu.darken.capod.common.WebpageTool
+import eu.darken.capod.common.upgrade.UpgradeRepo
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import java.time.Instant
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class UpgradeControlFoss @Inject constructor(
+    private val fossCache: FossCache,
+    private val webpageTool: WebpageTool,
+) : UpgradeRepo {
+
+    override val upgradeInfo: Flow<UpgradeRepo.Info> = fossCache.upgrade.flow.map { data ->
+        if (data == null) {
+            Info()
+        } else {
+            Info(
+                isPro = true,
+                upgradedAt = data.upgradedAt,
+                upgradeReason = data.reason
+            )
+        }
+    }
+
+    override fun launchBillingFlow(activity: Activity) {
+        MaterialAlertDialogBuilder(activity).apply {
+            setIcon(R.drawable.ic_heart)
+            setTitle(R.string.upgrade_capod_label)
+            setMessage(R.string.upgrade_capod_description)
+            setPositiveButton(R.string.foss_upgrade_donate_label) { _, _ ->
+                fossCache.upgrade.value = FossUpgrade(
+                    upgradedAt = Instant.now(),
+                    reason = FossUpgrade.Reason.DONATED
+                )
+                webpageTool.open("https://github.com/d4rken/capod")
+                Toast.makeText(activity, R.string.general_thank_you_label, Toast.LENGTH_SHORT).show()
+            }
+            setNegativeButton(R.string.foss_upgrade_alreadydonated_label) { _, _ ->
+                fossCache.upgrade.value = FossUpgrade(
+                    upgradedAt = Instant.now(),
+                    reason = FossUpgrade.Reason.ALREADY_DONATED
+                )
+                Toast.makeText(activity, R.string.general_thank_you_label, Toast.LENGTH_SHORT).show()
+            }
+            setNeutralButton(R.string.foss_upgrade_no_money_label) { _, _ ->
+                fossCache.upgrade.value = FossUpgrade(
+                    upgradedAt = Instant.now(),
+                    reason = FossUpgrade.Reason.NO_MONEY
+                )
+                Toast.makeText(activity, "¯\\_(ツ)_/¯", Toast.LENGTH_SHORT).show()
+            }
+        }.show()
+    }
+
+    data class Info(
+        override val isPro: Boolean = false,
+        override val upgradedAt: Instant? = null,
+        val upgradeReason: FossUpgrade.Reason? = null,
+    ) : UpgradeRepo.Info {
+        override val type: UpgradeRepo.Type = UpgradeRepo.Type.FOSS
+    }
+
+}

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

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <string name="foss_upgrade_donate_label">Donate</string>
+    <string name="foss_upgrade_alreadydonated_label">I already donated</string>
+    <string name="foss_upgrade_no_money_label">I spend all my money on AirPods</string>
+</resources>