Reorganize and group modules

2022-12-13 17:37:26 +01:00
parent bac24baad2
commit 3f8880a90a
995 changed files with 501 additions and 298 deletions
@@ -0,0 +1 @@
+/build
@@ -0,0 +1,50 @@
+plugins {
+    id("com.android.library")
+    id("kotlin-android")
+}
+
+android {
+    compileSdk = sdk.versions.compileSdk.get().toInt()
+
+    defaultConfig {
+        minSdk = sdk.versions.minSdk.get().toInt()
+        targetSdk = sdk.versions.targetSdk.get().toInt()
+
+        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        consumerProguardFiles("consumer-rules.pro")
+    }
+
+    buildTypes {
+        release {
+            proguardFiles(
+                    getDefaultProguardFile("proguard-android-optimize.txt"),
+                    "proguard-rules.pro"
+            )
+        }
+    }
+
+    compileOptions {
+        sourceCompatibility = JavaVersion.VERSION_1_8
+        targetCompatibility = JavaVersion.VERSION_1_8
+    }
+
+    kotlinOptions {
+        jvmTarget = "1.8"
+    }
+    namespace = "de.mm20.launcher2.currencies"
+}
+
+dependencies {
+
+    implementation(libs.bundles.kotlin)
+    implementation(libs.androidx.core)
+    implementation(libs.androidx.appcompat)
+    implementation(libs.androidx.work)
+
+    implementation(libs.okhttp)
+
+    implementation(project(":core:ktx"))
+    implementation(project(":core:i18n"))
+    implementation(project(":core:database"))
+    implementation(project(":core:crashreporter"))
+}
@@ -0,0 +1,21 @@
+# Add project specific ProGuard rules here.
+# You can control the set of applied configuration files using the
+# proguardFiles setting in build.gradle.kts.kts.kts.kts.kts.
+#
+# For more details, see
+#   http://developer.android.com/guide/developing/tools/proguard.html
+
+# If your project uses WebView with JS, uncomment the following
+# and specify the fully qualified class name to the JavaScript interface
+# class:
+#-keepclassmembers class fqcn.of.javascript.interface.for.webview {
+#   public *;
+#}
+
+# Uncomment this to preserve the line number information for
+# debugging stack traces.
+#-keepattributes SourceFile,LineNumberTable
+
+# If you keep the line number information, uncomment this to
+# hide the original source file name.
+#-renamesourcefileattribute SourceFile
@@ -0,0 +1,3 @@
+<manifest>
+
+</manifest>
@@ -0,0 +1,19 @@
+package de.mm20.launcher2.currencies
+
+import de.mm20.launcher2.database.entities.CurrencyEntity
+
+data class Currency(
+        val symbol: String,
+        val value: Double,
+        val lastUpdate: Long
+) {
+    constructor(entity: CurrencyEntity) : this(
+            symbol = entity.symbol,
+            value = entity.value,
+            lastUpdate = entity.lastUpdate
+    )
+
+    fun toDatabaseEntity(): CurrencyEntity {
+        return CurrencyEntity(symbol, value, lastUpdate)
+    }
+}
@@ -0,0 +1,75 @@
+package de.mm20.launcher2.currencies
+
+import android.content.Context
+import android.util.Log
+import androidx.work.*
+import de.mm20.launcher2.database.AppDatabase
+import kotlinx.coroutines.*
+import java.util.concurrent.TimeUnit
+
+class CurrencyRepository(
+    private val context: Context,
+) {
+
+    fun enableCurrencyUpdateWorker() {
+        val currencyWorker =
+            PeriodicWorkRequest.Builder(ExchangeRateWorker::class.java, 60, TimeUnit.MINUTES)
+                .build()
+        WorkManager.getInstance(context).enqueueUniquePeriodicWork(
+            "ExchangeRates",
+            ExistingPeriodicWorkPolicy.KEEP, currencyWorker
+        )
+    }
+
+    fun disableCurrencyUpdateWorker() {
+        WorkManager.getInstance(context).cancelUniqueWork("ExchangeRates")
+    }
+
+    suspend fun convertCurrency(
+        fromCurrency: String,
+        value: Double,
+        toCurrency: String? = null
+    ): List<Pair<String, Double>> {
+
+        return withContext(Dispatchers.IO) {
+            val dao = AppDatabase.getInstance(context)
+                .currencyDao()
+
+            val from = Currency(dao.getCurrency(fromCurrency) ?: return@withContext emptyList())
+
+            return@withContext if (toCurrency == null) {
+                dao.getAllCurrencies().mapNotNull {
+                    val to = Currency(it)
+                    if (from.lastUpdate != to.lastUpdate) {
+                        Log.w("MM20", "Exchange rate update dates do not match: $fromCurrency, $it")
+                        return@mapNotNull null
+                    }
+                    if (from.symbol == to.symbol) return@mapNotNull null
+                    to.symbol to value * to.value / from.value
+                }
+            } else {
+                val to = Currency(dao.getCurrency(toCurrency) ?: return@withContext emptyList())
+                if (from.lastUpdate != to.lastUpdate) {
+                    Log.w(
+                        "MM20",
+                        "Exchange rate update dates do not match: $fromCurrency, $toCurrency"
+                    )
+                    return@withContext emptyList()
+                }
+                listOf(toCurrency to value * to.value / from.value)
+            }
+        }
+    }
+
+    suspend fun isValidCurrency(symbol: String): Boolean {
+        return withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).currencyDao().exists(symbol)
+        }
+    }
+
+    suspend fun getLastUpdate(symbol: String): Long {
+        return withContext(Dispatchers.IO) {
+            AppDatabase.getInstance(context).currencyDao().getLastUpdate(symbol)
+        }
+    }
+}
@@ -0,0 +1,56 @@
+package de.mm20.launcher2.currencies
+
+import android.content.Context
+import android.util.Log
+import androidx.work.Worker
+import androidx.work.WorkerParameters
+import de.mm20.launcher2.crashreporter.CrashReporter
+import de.mm20.launcher2.database.AppDatabase
+import okhttp3.OkHttpClient
+import okhttp3.Request
+import org.w3c.dom.Element
+import java.text.SimpleDateFormat
+import javax.xml.parsers.DocumentBuilderFactory
+
+class ExchangeRateWorker(val context: Context, params: WorkerParameters) : Worker(context, params) {
+    override fun doWork(): Result {
+        Log.d("MM20", "Updating currency exchange rates")
+        val httpClient = OkHttpClient()
+        val request = Request.Builder()
+                .url("https://www.ecb.europa.eu/stats/eurofxref/eurofxref-daily.xml")
+                .get()
+                .build()
+        try {
+            val response = httpClient.newCall(request).execute()
+            val document = DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(response.body?.byteStream()
+                    ?: return Result.retry())
+            val cubes = document.getElementsByTagName("Cube")
+            val values = mutableListOf<Pair<String, Double>>()
+            var timestamp = System.currentTimeMillis()
+            values += "EUR" to 1.0
+            for (i in 0 until cubes.length) {
+                val cube = cubes.item(i) as? Element ?: continue
+                if (cube.hasAttribute("currency")) {
+                    val symbol = cube.getAttribute("currency")
+                    val value = cube.getAttribute("rate").toDoubleOrNull() ?: continue
+                    values += symbol to value
+                } else if (cube.hasAttribute("time")) {
+                    val date = cube.getAttribute("time")
+                    timestamp = SimpleDateFormat("yyyy-MM-dd").parse(date).time
+                }
+            }
+            val currencies = values.map {
+                Currency(
+                        symbol = it.first,
+                        value = it.second,
+                        lastUpdate = timestamp
+                ).toDatabaseEntity()
+            }
+            AppDatabase.getInstance(context).currencyDao().insertAll(currencies)
+            return Result.success()
+        } catch (e: Exception) {
+            CrashReporter.logException(e)
+            return Result.retry()
+        }
+    }
+}