.idea/gradle.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>

app/build.gradle.kts

@@ -56,4 +56,10 @@ dependencies {
     androidTestImplementation(libs.androidx.ui.test.junit4)
     debugImplementation(libs.androidx.ui.tooling)
     debugImplementation(libs.androidx.ui.test.manifest)
+
+    implementation(libs.retrofit)
+    implementation(libs.converter.gson)
+    implementation(libs.kotlinx.coroutines.android)
+    implementation(libs.kotlinx.coroutines.core)
+
 }

app/src/main/java/ru/vendetti/bitcoin_summarizer/CryptoApiService.kt

@@ -0,0 +1,22 @@
+package ru.vendetti.bitcoin_summarizer
+
+import retrofit2.Response
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+// Retrofit-API-интерфейс
+interface CryptoApiService {
+    // Получение индекса страха и жадности (по умолчанию за 30 дней)
+    @GET("fng/")
+    suspend fun getFearAndGreedIndex(
+        @Query("limit") limit: Int = 30
+    ): Response<FearAndGreedResponse>
+
+    // Получение глобальной информации
+    @GET("v1/global/")
+    suspend fun getGlobalData(): Response<GlobalResponse>
+
+    // Получение данных Bitcoin
+    @GET("v1/ticker/bitcoin/")
+    suspend fun getBitcoinTicker(): Response<TickerResponse>
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/CryptoRepository.kt

@@ -0,0 +1,58 @@
+package ru.vendetti.bitcoin_summarizer
+
+//Репозиторий для обработки запросов
+class CryptoRepository(private val apiService: CryptoApiService) {
+    /**
+     * Запрашивает данные для Bitcoin-тикера
+     */
+    suspend fun fetchBitcoinTicker(): TickerResponse? {
+        return try {
+            val response = apiService.getBitcoinTicker()
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Bitcoin Ticker: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Bitcoin Ticker: ${e.localizedMessage}")
+            null
+        }
+    }
+
+    /**
+     * Запрашивает глобальные данные крипторынка
+     */
+    suspend fun fetchGlobalData(): GlobalResponse? {
+        return try {
+            val response = apiService.getGlobalData()
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Global Data: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Global Data: ${e.localizedMessage}")
+            null
+        }
+    }
+
+    /**
+     * Запрашивает индекс страха и жадности за указанный период (по умолчанию 30 дней)
+     */
+    suspend fun fetchFearAndGreedData(limit: Int = 30): FearAndGreedResponse? {
+        return try {
+            val response = apiService.getFearAndGreedIndex(limit)
+            if (response.isSuccessful) {
+                response.body()
+            } else {
+                println("Ошибка запроса Fear & Greed Index: ${response.code()}")
+                null
+            }
+        } catch (e: Exception) {
+            println("Exception при получении Fear & Greed Index: ${e.localizedMessage}")
+            null
+        }
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/FearAndGreedResponse.kt

@@ -0,0 +1,23 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Обёртка для данных (тут вложенность есть и это API v2, а не v1, поэтому чуть сложнее структура, чем в GlobalResponse.kt)
+data class FearAndGreedResponse(
+    @SerializedName("name")
+    val name: String,
+    @SerializedName("data")
+    val dataList: List<FearAndGreedData>
+)
+
+// Сами данные
+data class FearAndGreedData(
+    @SerializedName("value")
+    val value: String,
+    @SerializedName("value_classification")
+    val valueClassification: String,
+    @SerializedName("timestamp")
+    val timestamp: String,
+    @SerializedName("time_until_update")
+    val timeUntilUpdate: String
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/GlobalResponse.kt

@@ -0,0 +1,15 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Обёртка для данных
+data class GlobalResponse(
+    val data: GlobalData
+)
+
+// Сами данные
+data class GlobalData(
+    @SerializedName("active_cryptocurrencies") val activeCryptocurrencies: String,
+    @SerializedName("total_market_cap_usd") val totalMarketCapUsd: String,
+    @SerializedName("total_24h_volume_usd") val total24hVolumeUsd: String
+)

app/src/main/java/ru/vendetti/bitcoin_summarizer/RetrofitClient.kt

@@ -0,0 +1,16 @@
+package ru.vendetti.bitcoin_summarizer
+
+import retrofit2.Retrofit
+import retrofit2.converter.gson.GsonConverterFactory
+
+object RetrofitClient {
+    private const val BASE_URL = "https://api.alternative.me/"
+
+    val apiService: CryptoApiService by lazy {
+        Retrofit.Builder()
+            .baseUrl(BASE_URL)
+            .addConverterFactory(GsonConverterFactory.create())
+            .build()
+            .create(CryptoApiService::class.java)
+    }
+}

app/src/main/java/ru/vendetti/bitcoin_summarizer/TickerResponse.kt

@@ -0,0 +1,25 @@
+package ru.vendetti.bitcoin_summarizer
+
+import com.google.gson.annotations.SerializedName
+
+// Обёртка для данных (тут json-массив с одним элементом, поэтому выглядит так)
+typealias TickerResponse = List<TickerData>
+
+// Сами данные
+data class TickerData(
+    val id: String,
+    val name: String,
+    val symbol: String,
+    val rank: String,
+    @SerializedName("price_usd") val priceUsd: String,
+    @SerializedName("price_btc") val priceBtc: String,
+    @SerializedName("24h_volume_usd") val volume24hUsd: String,
+    @SerializedName("market_cap_usd") val marketCapUsd: String,
+    @SerializedName("available_supply") val availableSupply: String,
+    @SerializedName("total_supply") val totalSupply: String,
+    @SerializedName("max_supply") val maxSupply: String?,
+    @SerializedName("percent_change_1h") val percentChange1h: String,
+    @SerializedName("percent_change_24h") val percentChange24h: String,
+    @SerializedName("percent_change_7d") val percentChange7d: String,
+    @SerializedName("last_updated") val lastUpdated: String
+)

app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+    <monochrome android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>

app/src/main/res/mipmap-anydpi/ic_launcher.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>

app/src/main/res/mipmap-anydpi/ic_launcher_round.xml

@@ -1,6 +0,0 @@
-<?xml version="1.0" encoding="utf-8"?>
-<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
-    <monochrome android:drawable="@drawable/ic_launcher_foreground" />
-</adaptive-icon>

app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#FFFFFF</color>
+</resources>

gradle/libs.versions.toml

@@ -1,16 +1,21 @@
 [versions]
 agp = "8.8.1"
+converterGson = "2.9.0"
 kotlin = "2.0.0"
 coreKtx = "1.10.1"
 junit = "4.13.2"
 junitVersion = "1.1.5"
 espressoCore = "3.5.1"
+kotlinxCoroutinesAndroid = "1.7.1"
+kotlinxCoroutinesCore = "1.7.1"
 lifecycleRuntimeKtx = "2.6.1"
 activityCompose = "1.8.0"
 composeBom = "2024.04.01"
+retrofit = "2.9.0"
 
 [libraries]
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
+converter-gson = { module = "com.squareup.retrofit2:converter-gson", version.ref = "converterGson" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
 androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-core", version.ref = "espressoCore" }
@@ -24,6 +29,9 @@ androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-toolin
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
 androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+kotlinx-coroutines-android = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-android", version.ref = "kotlinxCoroutinesAndroid" }
+kotlinx-coroutines-core = { module = "org.jetbrains.kotlinx:kotlinx-coroutines-core", version.ref = "kotlinxCoroutinesCore" }
+retrofit = { module = "com.squareup.retrofit2:retrofit", version.ref = "retrofit" }
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }