started on "data" related arch

johsoe · johsoe · commit 73aaf074facb · 2020-12-11T14:18:52.000+01:00
diff --git a/app/build.gradle b/app/build.gradle
@@ -2,11 +2,13 @@ plugins {
     id 'com.android.application'
     id 'kotlin-android'
     id 'kotlin-kapt'
+    id 'org.jetbrains.kotlin.plugin.serialization' version '1.4.20'
 }
 
 android {
     compileSdkVersion 30
     buildToolsVersion "30.0.2"
+    flavorDimensions "default"
 
     defaultConfig {
         applicationId "com.monstarlab"
@@ -26,25 +28,53 @@ android {
             proguardFiles getDefaultProguardFile('proguard-android-optimize.txt'), 'proguard-rules.pro'
         }
     }
+
+    productFlavors {
+        dev {
+            dimension "default"
+            applicationIdSuffix ".dev"
+            manifestPlaceholders = [
+                    APP_NAME: "MonstarlabDev"
+            ]
+            buildConfigField "String", "API_URL", "\"https://jsonplaceholder.typicode.com\""
+        }
+        staging {
+            dimension "default"
+            applicationIdSuffix ".staging"
+            //signingConfig signingConfigs.staging
+            manifestPlaceholders = [
+                    APP_NAME: "MonstarlabStaging"
+            ]
+            buildConfigField "String", "API_URL", "\"https://jsonplaceholder.typicode.com\""
+        }
+        production {
+            dimension "default"
+            //signingConfig signingConfigs.production
+            manifestPlaceholders = [
+                    APP_NAME: "Monstarlab",
+            ]
+            buildConfigField "String", "API_URL", "\"https://jsonplaceholder.typicode.com\""
+        }
+    }
+
     compileOptions {
         sourceCompatibility JavaVersion.VERSION_1_8
         targetCompatibility JavaVersion.VERSION_1_8
     }
     kotlinOptions {
         jvmTarget = '1.8'
-        freeCompilerArgs += [
-                '-Xuse-experimental=kotlinx.coroutines.ExperimentalCoroutinesApi'
-        ]
     }
 }
 
 dependencies {
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib:$versions.kotlin"
-    def coroutinesVersion = "1.3.9"
+    def coroutinesVersion = "1.4.2"
 
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$coroutinesVersion"
     implementation "org.jetbrains.kotlinx:kotlinx-coroutines-jdk8:$coroutinesVersion"
+    implementation "org.jetbrains.kotlinx:kotlinx-serialization-json:1.0.1"
+
     implementation 'androidx.core:core-ktx:1.3.2'
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.2.1'
@@ -58,8 +88,12 @@ dependencies {
     kapt "com.google.dagger:dagger-compiler:${versions.dagger}"
     kapt "com.google.dagger:dagger-android-processor:${versions.dagger}"
 
-    implementation("androidx.navigation:navigation-fragment-ktx:2.3.1")
-    implementation("androidx.navigation:navigation-ui-ktx:2.3.1")
+    implementation("com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:0.8.0")
+    implementation("com.squareup.retrofit2:retrofit:2.9.0")
+    implementation("com.squareup.okhttp3:logging-interceptor:4.9.0")
+
+    implementation("androidx.navigation:navigation-fragment-ktx:2.3.2")
+    implementation("androidx.navigation:navigation-ui-ktx:2.3.2")
 
     def lifecycle = "2.2.0"
     implementation("androidx.lifecycle:lifecycle-livedata-core-ktx:$lifecycle")
diff --git a/app/src/main/java/com/monstarlab/arch/base/BaseActivity.kt b/app/src/main/java/com/monstarlab/arch/base/BaseActivity.kt
@@ -1,12 +1,12 @@
-package com.monstarlab.base
+package com.monstarlab.arch.base
 
 import android.os.Bundle
 import androidx.annotation.LayoutRes
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.ViewModel
 import androidx.lifecycle.ViewModelProvider
-import com.monstarlab.extensions.getViewModel
-import com.monstarlab.extensions.lifecycleAwareLazy
+import com.monstarlab.arch.extensions.getViewModel
+import com.monstarlab.arch.extensions.lifecycleAwareLazy
 import dagger.android.AndroidInjection
 import dagger.android.DispatchingAndroidInjector
 import dagger.android.HasAndroidInjector
diff --git a/app/src/main/java/com/monstarlab/arch/base/BaseFragment.kt b/app/src/main/java/com/monstarlab/arch/base/BaseFragment.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.base
+package com.monstarlab.arch.base
 
 import android.content.Context
 import android.os.Bundle
@@ -10,9 +10,9 @@ import dagger.android.DispatchingAndroidInjector
 import dagger.android.HasAndroidInjector
 import dagger.android.support.AndroidSupportInjection
 import com.google.android.material.transition.MaterialFadeThrough
-import com.monstarlab.extensions.getSharedViewModel
-import com.monstarlab.extensions.getViewModel
-import com.monstarlab.extensions.lifecycleAwareLazy
+import com.monstarlab.arch.extensions.getSharedViewModel
+import com.monstarlab.arch.extensions.getViewModel
+import com.monstarlab.arch.extensions.lifecycleAwareLazy
 import javax.inject.Inject
 
 abstract class BaseFragment : Fragment, HasAndroidInjector {
diff --git a/app/src/main/java/com/monstarlab/arch/data/DataSource.kt b/app/src/main/java/com/monstarlab/arch/data/DataSource.kt
@@ -0,0 +1,8 @@
+package com.monstarlab.arch.data
+
+interface DataSource<T> {
+    fun getAll(): List<T>
+    fun add(item: T)
+    fun addAll(items: List<T>)
+    fun clear()
+}
diff --git a/app/src/main/java/com/monstarlab/arch/data/Repository.kt b/app/src/main/java/com/monstarlab/arch/data/Repository.kt
@@ -0,0 +1,21 @@
+package com.monstarlab.arch.data
+
+import java.util.concurrent.TimeUnit
+
+abstract class Repository constructor(
+    private val expirationInSeconds: Long = 30
+) {
+
+    private var lastFetch = 0L
+
+    protected val shouldFetch: Boolean
+        get() {
+            return TimeUnit.MILLISECONDS.toSeconds(System.currentTimeMillis() - lastFetch) >= expirationInSeconds
+        }
+
+    protected fun fetched() {
+        lastFetch = System.currentTimeMillis()
+    }
+
+
+}
diff --git a/app/src/main/java/com/monstarlab/arch/data/SharedPreferenceDataStore.kt b/app/src/main/java/com/monstarlab/arch/data/SharedPreferenceDataStore.kt
@@ -0,0 +1,43 @@
+package com.monstarlab.arch.data
+
+import android.content.SharedPreferences
+import kotlinx.serialization.decodeFromString
+import kotlinx.serialization.encodeToString
+import kotlinx.serialization.json.Json
+import java.lang.Exception
+
+abstract class SharedPreferenceDataStore<T> constructor(
+    private val sharedPreferences: SharedPreferences
+): DataSource<T> {
+
+    private val key = this.javaClass.simpleName
+
+    override fun getAll(): List<T> {
+        return try {
+            val json = sharedPreferences.getString(key, "") ?: ""
+            val entries = Json.decodeFromString<List<T>>(json)
+            entries
+        } catch (e: Exception) {
+            emptyList()
+        }
+    }
+
+    override fun add(item: T) {
+        val list = getAll().toMutableList()
+        list.add(item)
+        addAll(list)
+    }
+
+    override fun addAll(items: List<T>) {
+        try {
+            val json = Json.encodeToString(items)
+            sharedPreferences.edit().putString(key, json).apply()
+        } catch (e: Exception) {
+
+        }
+    }
+
+    override fun clear() {
+        sharedPreferences.edit().remove(key).apply()
+    }
+}
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/ActivityViewBindingDelegate.kt b/app/src/main/java/com/monstarlab/arch/extensions/ActivityViewBindingDelegate.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import android.view.LayoutInflater
 import androidx.appcompat.app.AppCompatActivity
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/FlowExtensions.kt b/app/src/main/java/com/monstarlab/arch/extensions/FlowExtensions.kt
@@ -1,8 +1,5 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
-import androidx.fragment.app.Fragment
-import androidx.lifecycle.LifecycleCoroutineScope
-import androidx.lifecycle.lifecycleScope
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.collect
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/FragmentViewBindingDelegate.kt b/app/src/main/java/com/monstarlab/arch/extensions/FragmentViewBindingDelegate.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import android.view.View
 import androidx.fragment.app.Fragment
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/GlobalViewBindingDelegate.kt b/app/src/main/java/com/monstarlab/arch/extensions/GlobalViewBindingDelegate.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import android.view.View
 import androidx.viewbinding.ViewBinding
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/ViewBindingExtensions.kt b/app/src/main/java/com/monstarlab/arch/extensions/ViewBindingExtensions.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import android.app.Activity
 import android.os.Looper
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/ViewExtensions.kt b/app/src/main/java/com/monstarlab/arch/extensions/ViewExtensions.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.DefaultLifecycleObserver
@@ -8,7 +8,6 @@ import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.collect
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.zip
-import kotlinx.coroutines.launch
 
 fun <T> Fragment.collectFlow(targetFlow: Flow<T>, collectBlock: ((T) -> Unit)) {
     safeViewCollect {
diff --git a/app/src/main/java/com/monstarlab/arch/extensions/ViewModelStoreOwnerExtensions.kt b/app/src/main/java/com/monstarlab/arch/extensions/ViewModelStoreOwnerExtensions.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.extensions
+package com.monstarlab.arch.extensions
 
 import androidx.fragment.app.Fragment
 import androidx.lifecycle.Lifecycle
diff --git a/app/src/main/java/com/monstarlab/core/data/Data.md b/app/src/main/java/com/monstarlab/core/data/Data.md
diff --git a/app/src/main/java/com/monstarlab/core/data/mappers/PostMapping.kt b/app/src/main/java/com/monstarlab/core/data/mappers/PostMapping.kt
@@ -0,0 +1,12 @@
+package com.monstarlab.core.data.mappers
+
+import com.monstarlab.core.data.network.dtos.PostDto
+import com.monstarlab.core.domain.model.Post
+
+fun PostDto.toEntity(): Post {
+    return Post(
+        id = id,
+        title = title,
+        body = body
+    )
+}
diff --git a/app/src/main/java/com/monstarlab/core/data/network/Api.kt b/app/src/main/java/com/monstarlab/core/data/network/Api.kt
@@ -0,0 +1,10 @@
+package com.monstarlab.core.data.network
+
+import com.monstarlab.core.data.network.dtos.PostDto
+import retrofit2.Response
+import retrofit2.http.GET
+
+interface Api {
+    @GET("posts")
+    suspend fun getPosts(): Response<List<PostDto>>
+}
diff --git a/app/src/main/java/com/monstarlab/core/data/network/dtos/PostDto.kt b/app/src/main/java/com/monstarlab/core/data/network/dtos/PostDto.kt
@@ -0,0 +1,8 @@
+package com.monstarlab.core.data.network.dtos
+
+data class PostDto(
+    val id: Int,
+    val userId: Int,
+    val title: String,
+    val body: String
+)
diff --git a/app/src/main/java/com/monstarlab/core/data/repositories/PostRepository.kt b/app/src/main/java/com/monstarlab/core/data/repositories/PostRepository.kt
@@ -0,0 +1,32 @@
+package com.monstarlab.core.data.repositories
+
+import com.monstarlab.arch.data.Repository
+import com.monstarlab.core.data.mappers.toEntity
+import com.monstarlab.core.data.network.Api
+import com.monstarlab.core.data.storage.PostPreferenceStore
+import com.monstarlab.core.domain.model.Post
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.flow
+import javax.inject.Inject
+
+class PostRepository @Inject constructor(
+    private val api: Api,
+    private val postPreferenceStore: PostPreferenceStore
+): Repository() {
+
+    fun getPosts(): Flow<List<Post>> = flow {
+        if(shouldFetch) {
+            val response = api.getPosts()
+            if(!response.isSuccessful) {
+                emit(emptyList<Post>())
+            }
+            val entries = response.body()?.map { it.toEntity() }
+            fetched()
+            //postPreferenceStore.addAll(entries)
+            //emit(entries)
+        } else {
+            emit(postPreferenceStore.getAll())
+        }
+    }
+
+}
diff --git a/app/src/main/java/com/monstarlab/core/data/storage/PostPreferenceStore.kt b/app/src/main/java/com/monstarlab/core/data/storage/PostPreferenceStore.kt
@@ -0,0 +1,12 @@
+package com.monstarlab.core.data.storage
+
+import android.content.SharedPreferences
+import com.monstarlab.arch.data.SharedPreferenceDataStore
+import com.monstarlab.core.domain.model.Post
+import javax.inject.Inject
+
+class PostPreferenceStore @Inject constructor(
+    sharedPreferences: SharedPreferences
+): SharedPreferenceDataStore<Post>(sharedPreferences) {
+
+}
diff --git a/app/src/main/java/com/monstarlab/core/domain/Domain.md b/app/src/main/java/com/monstarlab/core/domain/Domain.md
diff --git a/app/src/main/java/com/monstarlab/core/domain/mock/MockFlows.kt b/app/src/main/java/com/monstarlab/core/domain/mock/MockFlows.kt
@@ -1,13 +1,15 @@
-package com.monstarlab.mock
+package com.monstarlab.core.domain.mock
 
 import kotlinx.coroutines.delay
 import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.flow
+import java.lang.RuntimeException
 
 object MockFlows {
 
     fun mockString(): Flow<String> = flow {
         delay(2000)
+        throw RuntimeException("lol")
         emit("Hello world from Flow")
     }
 
diff --git a/app/src/main/java/com/monstarlab/core/domain/mock/MockSuspends.kt b/app/src/main/java/com/monstarlab/core/domain/mock/MockSuspends.kt
@@ -1,4 +1,4 @@
-package com.monstarlab.mock
+package com.monstarlab.core.domain.mock
 
 import kotlinx.coroutines.delay
 
diff --git a/app/src/main/java/com/monstarlab/core/domain/model/Post.kt b/app/src/main/java/com/monstarlab/core/domain/model/Post.kt
@@ -0,0 +1,11 @@
+package com.monstarlab.core.domain.model
+
+import kotlinx.serialization.Serializable
+
+
+@Serializable
+data class Post(
+    val id: Int,
+    val title: String,
+    val body: String
+)
diff --git a/app/src/main/java/com/monstarlab/core/usecases/UseCases.md b/app/src/main/java/com/monstarlab/core/usecases/UseCases.md
diff --git a/app/src/main/java/com/monstarlab/core/usecases/blog/GetPostsUseCase.kt b/app/src/main/java/com/monstarlab/core/usecases/blog/GetPostsUseCase.kt
@@ -0,0 +1,16 @@
+package com.monstarlab.core.usecases.blog
+
+import com.monstarlab.core.data.repositories.PostRepository
+import com.monstarlab.core.domain.model.Post
+import kotlinx.coroutines.flow.Flow
+import javax.inject.Inject
+
+class GetPostsUseCase @Inject constructor(
+    private val postRepository: PostRepository
+){
+
+    fun getPosts(): Flow<List<Post>> {
+        return postRepository.getPosts()
+    }
+
+}
diff --git a/app/src/main/java/com/monstarlab/features/Views.md b/app/src/main/java/com/monstarlab/features/Views.md
diff --git a/app/src/main/java/com/monstarlab/features/main/MainActivity.kt b/app/src/main/java/com/monstarlab/features/main/MainActivity.kt
diff --git a/app/src/main/java/com/monstarlab/features/sample/SampleFragment.kt b/app/src/main/java/com/monstarlab/features/sample/SampleFragment.kt
diff --git a/app/src/main/java/com/monstarlab/features/sample/SampleViewModel.kt b/app/src/main/java/com/monstarlab/features/sample/SampleViewModel.kt
diff --git a/app/src/main/java/com/monstarlab/injection/components/AppComponent.kt b/app/src/main/java/com/monstarlab/injection/components/AppComponent.kt
diff --git a/app/src/main/java/com/monstarlab/injection/modules/DataModule.kt b/app/src/main/java/com/monstarlab/injection/modules/DataModule.kt
diff --git a/app/src/main/java/com/monstarlab/injection/modules/RestModule.kt b/app/src/main/java/com/monstarlab/injection/modules/RestModule.kt
diff --git a/build.gradle b/build.gradle

Original file line number	Diff line number	Diff line change
`@@ -1,4 +1,4 @@`
`1`		`-package com.monstarlab.extensions`
	`1`	`+package com.monstarlab.arch.extensions`
`2`	`2`
`3`	`3`	`import android.view.LayoutInflater`
`4`	`4`	`import androidx.appcompat.app.AppCompatActivity`