Replaced reservoir by room.

app/build.gradle

@@ -24,6 +24,8 @@ def versionNameFromGit() {
     return gitVersion()
 }
 
+apply plugin: 'kotlin-kapt'
+
 apply plugin: 'com.android.application'
 
 apply plugin: 'kotlin-android'
@@ -134,7 +136,6 @@ dependencies {
 
     // Drawer
     implementation 'co.zsmb:materialdrawer-kt:2.0.1'
-    implementation 'com.anupcowkur:reservoir:3.1.0'
 
     // Themes
     implementation 'com.52inc:scoops:1.0.0'
@@ -149,6 +150,12 @@ dependencies {
     // Crash
     implementation 'ch.acra:acra-http:5.1.3'
     implementation 'ch.acra:acra-dialog:5.1.3'
+
+    implementation "androidx.lifecycle:lifecycle-livedata:$lifecycle_version"
+    implementation "androidx.lifecycle:lifecycle-common-java8:$lifecycle_version"
+
+    implementation "androidx.room:room-runtime:$room_version"
+    kapt "androidx.room:room-compiler:$room_version"
 }
 
 

app/src/main/java/apps/amine/bou/readerforselfoss/HomeActivity.kt

@@ -23,15 +23,18 @@ import android.view.Menu
 import android.view.MenuItem
 import android.view.View
 import android.widget.Toast
+import androidx.room.Room
+import androidx.room.RoomDatabase
 import apps.amine.bou.readerforselfoss.adapters.ItemCardAdapter
 import apps.amine.bou.readerforselfoss.adapters.ItemListAdapter
 import apps.amine.bou.readerforselfoss.adapters.ItemsAdapter
 import apps.amine.bou.readerforselfoss.api.selfoss.Item
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
-import apps.amine.bou.readerforselfoss.api.selfoss.Sources
+import apps.amine.bou.readerforselfoss.api.selfoss.Source
 import apps.amine.bou.readerforselfoss.api.selfoss.Stats
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
 import apps.amine.bou.readerforselfoss.api.selfoss.Tag
+import apps.amine.bou.readerforselfoss.persistence.database.AppDatabase
 import apps.amine.bou.readerforselfoss.settings.SettingsActivity
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.themes.Toppings
@@ -42,14 +45,13 @@ import apps.amine.bou.readerforselfoss.utils.customtabs.CustomTabActivityHelper
 import apps.amine.bou.readerforselfoss.utils.drawer.CustomUrlPrimaryDrawerItem
 import apps.amine.bou.readerforselfoss.utils.flattenTags
 import apps.amine.bou.readerforselfoss.utils.longHash
+import apps.amine.bou.readerforselfoss.utils.persistence.toEntity
+import apps.amine.bou.readerforselfoss.utils.persistence.toView
 import co.zsmb.materialdrawerkt.builders.accountHeader
 import co.zsmb.materialdrawerkt.builders.drawer
 import co.zsmb.materialdrawerkt.builders.footer
 import co.zsmb.materialdrawerkt.draweritems.badgeable.primaryItem
 import co.zsmb.materialdrawerkt.draweritems.profile.profile
-import com.anupcowkur.reservoir.Reservoir
-import com.anupcowkur.reservoir.ReservoirGetCallback
-import com.anupcowkur.reservoir.ReservoirPutCallback
 import com.ashokvarma.bottomnavigation.BottomNavigationBar
 import com.ashokvarma.bottomnavigation.BottomNavigationItem
 import com.ashokvarma.bottomnavigation.TextBadgeItem
@@ -65,9 +67,12 @@ import com.mikepenz.materialdrawer.model.DividerDrawerItem
 import com.mikepenz.materialdrawer.model.PrimaryDrawerItem
 import com.mikepenz.materialdrawer.model.SecondaryDrawerItem
 import kotlinx.android.synthetic.main.activity_home.*
+import kotlinx.android.synthetic.main.fragment_article.*
 import retrofit2.Call
 import retrofit2.Callback
 import retrofit2.Response
+import kotlin.concurrent.thread
+
 class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
     private val MENU_PREFERENCES = 12302
@@ -94,7 +99,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
     private var itemsNumber: Int = 200
     private var elementsShown: Int = 0
     private var maybeTagFilter: Tag? = null
-    private var maybeSourceFilter: Sources? = null
+    private var maybeSourceFilter: Source? = null
     private var maybeSearchFilter: String? = null
     private var userIdentifier: String = ""
     private var displayAccountHeader: Boolean = false
@@ -126,7 +131,9 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
     private lateinit var tagsBadge: Map<Long, Int>
 
-    data class DrawerData(val tags: List<Tag>?, val sources: List<Sources>?)
+    private lateinit var db: AppDatabase
+
+    data class DrawerData(val tags: List<Tag>?, val sources: List<Source>?)
 
     override fun onStart() {
         super.onStart()
@@ -147,6 +154,12 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
             Amplify.getSharedInstance().promptIfReady(promptView)
         }
 
+        db = Room.databaseBuilder(
+            applicationContext,
+            AppDatabase::class.java!!, "selfoss-database"
+        ).build()
+
+
         customTabActivityHelper = CustomTabActivityHelper()
 
         sharedPref = PreferenceManager.getDefaultSharedPreferences(this)
@@ -544,7 +557,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                 }
             }
 
-            fun handleSources(maybeSources: List<Sources>?) {
+            fun handleSources(maybeSources: List<Source>?) {
                 if (maybeSources == null) {
                     if (loadedFromCache) {
                         drawer.addItem(
@@ -643,14 +656,18 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
 
                 if (!loadedFromCache) {
-                    Reservoir.putAsync(
-                        "drawerData", maybeDrawerData, object : ReservoirPutCallback {
-                            override fun onSuccess() {
-                            }
-
-                            override fun onFailure(p0: Exception?) {
-                            }
-                        })
+                    if (maybeDrawerData.tags != null) {
+                        thread {
+                            val tagEntities = maybeDrawerData.tags.map { it.toEntity() }
+                            db.drawerDataDao().insertAllTags(*tagEntities.toTypedArray())
+                        }
+                    }
+                    if (maybeDrawerData.sources != null) {
+                        thread {
+                            val sourceEntities = maybeDrawerData.sources.map { it.toEntity(this@HomeActivity) }
+                            db.drawerDataDao().insertAllSources(*sourceEntities.toTypedArray())
+                        }
+                    }
                 }
             } else {
                 if (!loadedFromCache) {
@@ -672,13 +689,13 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
 
         fun drawerApiCalls(maybeDrawerData: DrawerData?) {
             var tags: List<Tag>? = null
-            var sources: List<Sources>?
+            var sources: List<Source>?
 
             fun sourcesApiCall() {
-                api.sources.enqueue(object : Callback<List<Sources>> {
+                api.sources.enqueue(object : Callback<List<Source>> {
                     override fun onResponse(
-                        call: Call<List<Sources>>?,
-                        response: Response<List<Sources>>
+                        call: Call<List<Source>>?,
+                        response: Response<List<Source>>
                     ) {
                         sources = response.body()
                         val apiDrawerData = DrawerData(tags, sources)
@@ -687,7 +704,7 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
                         }
                     }
 
-                    override fun onFailure(call: Call<List<Sources>>?, t: Throwable?) {
+                    override fun onFailure(call: Call<List<Source>>?, t: Throwable?) {
                     }
                 })
             }
@@ -713,18 +730,19 @@ class HomeActivity : AppCompatActivity(), SearchView.OnQueryTextListener {
             )
         )
 
-        val resultType = object : TypeToken<DrawerData>() {}.type
-        Reservoir.getAsync(
-            "drawerData", resultType, object : ReservoirGetCallback<DrawerData> {
-                override fun onSuccess(maybeDrawerData: DrawerData?) {
-                    handleDrawerData(maybeDrawerData, loadedFromCache = true)
-                    drawerApiCalls(maybeDrawerData)
+        db.drawerDataDao().tags().observeForever { tags ->
+            db.drawerDataDao().sources().observeForever { sources ->
+                var drawerData = DrawerData(null, null)
+                if (tags != null) {
+                    drawerData = drawerData.copy(tags = tags.map { it.toView() })
                 }
-
-                override fun onFailure(p0: Exception?) {
-                    drawerApiCalls(null)
+                if (sources != null) {
+                    drawerData = drawerData.copy(sources = sources.map { it.toView() })
                 }
-            })
+                handleDrawerData(drawerData, loadedFromCache = true)
+                drawerApiCalls(drawerData)
+            }
+        }
     }
 
     private fun reloadLayoutManager() {

app/src/main/java/apps/amine/bou/readerforselfoss/MyApp.kt

@@ -1,14 +1,12 @@
 package apps.amine.bou.readerforselfoss
 
 import android.content.Context
-import android.content.SharedPreferences
 import android.graphics.drawable.Drawable
 import android.net.Uri
 import android.preference.PreferenceManager
 import androidx.multidex.MultiDexApplication
 import android.widget.ImageView
 import apps.amine.bou.readerforselfoss.utils.Config
-import com.anupcowkur.reservoir.Reservoir
 import com.bumptech.glide.Glide
 import com.bumptech.glide.request.RequestOptions
 import com.ftinc.scoop.Scoop
@@ -49,8 +47,6 @@ class MyApp : MultiDexApplication() {
 
         initAmplify()
 
-        initCache()
-
         val prefs = getSharedPreferences(Config.settingsName, Context.MODE_PRIVATE)
         if (prefs.getString("unique_id", "").isEmpty()) {
             val editor = prefs.edit()
@@ -80,14 +76,6 @@ class MyApp : MultiDexApplication() {
             .applyAllDefaultRules()
     }
 
-    private fun initCache() {
-        try {
-            Reservoir.init(this, 8192) //in bytes
-        } catch (e: IOException) {
-            //failure
-        }
-    }
-
     private fun initDrawerImageLoader() {
         DrawerImageLoader.init(object : AbstractDrawerImageLoader() {
             override fun set(

app/src/main/java/apps/amine/bou/readerforselfoss/SourcesActivity.kt

@@ -10,7 +10,7 @@ import androidx.recyclerview.widget.LinearLayoutManager
 import android.widget.Toast
 import apps.amine.bou.readerforselfoss.adapters.SourcesListAdapter
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
-import apps.amine.bou.readerforselfoss.api.selfoss.Sources
+import apps.amine.bou.readerforselfoss.api.selfoss.Source
 import apps.amine.bou.readerforselfoss.themes.AppColors
 import apps.amine.bou.readerforselfoss.themes.Toppings
 import com.ftinc.scoop.Scoop
@@ -61,18 +61,18 @@ class SourcesActivity : AppCompatActivity() {
             prefs.getBoolean("isSelfSignedCert", false),
             prefs.getBoolean("should_log_everything", false)
         )
-        var items: ArrayList<Sources> = ArrayList()
+        var items: ArrayList<Source> = ArrayList()
 
         recyclerView.setHasFixedSize(true)
         recyclerView.layoutManager = mLayoutManager
 
-        api.sources.enqueue(object : Callback<List<Sources>> {
+        api.sources.enqueue(object : Callback<List<Source>> {
             override fun onResponse(
-                call: Call<List<Sources>>,
-                response: Response<List<Sources>>
+                call: Call<List<Source>>,
+                response: Response<List<Source>>
             ) {
                 if (response.body() != null && response.body()!!.isNotEmpty()) {
-                    items = response.body() as ArrayList<Sources>
+                    items = response.body() as ArrayList<Source>
                 }
                 val mAdapter = SourcesListAdapter(this@SourcesActivity, items, api)
                 recyclerView.adapter = mAdapter
@@ -86,7 +86,7 @@ class SourcesActivity : AppCompatActivity() {
                 }
             }
 
-            override fun onFailure(call: Call<List<Sources>>, t: Throwable) {
+            override fun onFailure(call: Call<List<Source>>, t: Throwable) {
                 Toast.makeText(
                     this@SourcesActivity,
                     R.string.cant_get_sources,

app/src/main/java/apps/amine/bou/readerforselfoss/adapters/SourcesListAdapter.kt

@@ -10,7 +10,7 @@ import android.widget.Button
 import android.widget.Toast
 import apps.amine.bou.readerforselfoss.R
 import apps.amine.bou.readerforselfoss.api.selfoss.SelfossApi
-import apps.amine.bou.readerforselfoss.api.selfoss.Sources
+import apps.amine.bou.readerforselfoss.api.selfoss.Source
 import apps.amine.bou.readerforselfoss.api.selfoss.SuccessResponse
 import apps.amine.bou.readerforselfoss.utils.glide.circularBitmapDrawable
 import apps.amine.bou.readerforselfoss.utils.toTextDrawableString
@@ -23,7 +23,7 @@ import retrofit2.Response
 
 class SourcesListAdapter(
     private val app: Activity,
-    private val items: ArrayList<Sources>,
+    private val items: ArrayList<Source>,
     private val api: SelfossApi
 ) : RecyclerView.Adapter<SourcesListAdapter.ViewHolder>() {
     private val c: Context = app.baseContext

app/src/main/java/apps/amine/bou/readerforselfoss/api/selfoss/SelfossApi.kt

@@ -159,7 +159,7 @@ class SelfossApi(
     fun update(): Call<String> =
         service.update(userName, password)
 
-    val sources: Call<List<Sources>>
+    val sources: Call<List<Source>>
         get() = service.sources(userName, password)
 
     fun deleteSource(id: String): Call<SuccessResponse> =

app/src/main/java/apps/amine/bou/readerforselfoss/api/selfoss/SelfossModels.kt

@@ -42,7 +42,7 @@ data class Spout(
     @SerializedName("description") val description: String
 )
 
-data class Sources(
+data class Source(
     @SerializedName("id") val id: String,
     @SerializedName("title") val title: String,
     @SerializedName("tags") val tags: String,

app/src/main/java/apps/amine/bou/readerforselfoss/api/selfoss/SelfossService.kt

@@ -95,7 +95,7 @@ internal interface SelfossService {
     fun sources(
         @Query("username") username: String,
         @Query("password") password: String
-    ): Call<List<Sources>>
+    ): Call<List<Source>>
 
     @DELETE("source/{id}")
     fun deleteSource(

app/src/main/java/apps/amine/bou/readerforselfoss/persistence/dao/DrawerDataDao.kt

@@ -0,0 +1,37 @@
+package apps.amine.bou.readerforselfoss.persistence.dao
+
+import androidx.lifecycle.LiveData
+import androidx.room.Delete
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import apps.amine.bou.readerforselfoss.persistence.entities.SourceEntity
+import apps.amine.bou.readerforselfoss.persistence.entities.TagEntity
+
+@Dao
+interface DrawerDataDao {
+    @Query("SELECT * FROM tags")
+    fun tags(): LiveData<List<TagEntity>>
+
+    @Query("SELECT * FROM sources")
+    fun sources(): LiveData<List<SourceEntity>>
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insertAllTags(vararg tags: TagEntity)
+
+    @Insert(onConflict = OnConflictStrategy.REPLACE)
+    fun insertAllSources(vararg sources: SourceEntity)
+
+    @Query("DELETE FROM tags")
+    fun deleteAllTags()
+
+    @Query("DELETE FROM sources")
+    fun deleteAllSources()
+
+    @Delete
+    fun deleteTag(tag: TagEntity)
+
+    @Delete
+    fun deleteSource(source: SourceEntity)
+}

app/src/main/java/apps/amine/bou/readerforselfoss/persistence/database/AppDatabase.kt

@@ -0,0 +1,12 @@
+package apps.amine.bou.readerforselfoss.persistence.database
+
+import androidx.room.RoomDatabase
+import androidx.room.Database
+import apps.amine.bou.readerforselfoss.persistence.dao.DrawerDataDao
+import apps.amine.bou.readerforselfoss.persistence.entities.SourceEntity
+import apps.amine.bou.readerforselfoss.persistence.entities.TagEntity
+
+@Database(entities = [TagEntity::class, SourceEntity::class], version = 1)
+abstract class AppDatabase : RoomDatabase() {
+    abstract fun drawerDataDao(): DrawerDataDao
+}

app/src/main/java/apps/amine/bou/readerforselfoss/persistence/entities/DrawerDataEntity.kt

@@ -0,0 +1,33 @@
+package apps.amine.bou.readerforselfoss.persistence.entities
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.PrimaryKey
+
+@Entity(tableName = "tags")
+data class TagEntity(
+    @PrimaryKey
+    @ColumnInfo(name = "tag")
+    val tag: String,
+    @ColumnInfo(name = "color")
+    val color: String,
+    @ColumnInfo(name = "unread")
+    val unread: Int
+)
+
+@Entity(tableName = "sources")
+data class SourceEntity(
+    @PrimaryKey
+    @ColumnInfo(name = "id")
+    val id: String,
+    @ColumnInfo(name = "title")
+    val title: String,
+    @ColumnInfo(name = "tags")
+    val tags: String,
+    @ColumnInfo(name = "spout")
+    val spout: String,
+    @ColumnInfo(name = "error")
+    val error: String,
+    @ColumnInfo(name = "icon")
+    val icon: String
+)

app/src/main/java/apps/amine/bou/readerforselfoss/utils/persistence/EntitiesUtils.kt

@@ -0,0 +1,41 @@
+package apps.amine.bou.readerforselfoss.utils.persistence
+
+import android.content.Context
+import apps.amine.bou.readerforselfoss.api.selfoss.Source
+import apps.amine.bou.readerforselfoss.api.selfoss.Tag
+import apps.amine.bou.readerforselfoss.persistence.entities.SourceEntity
+import apps.amine.bou.readerforselfoss.persistence.entities.TagEntity
+
+fun TagEntity.toView(): Tag =
+        Tag(
+            this.tag,
+            this.color,
+            this.unread
+        )
+
+fun SourceEntity.toView(): Source =
+        Source(
+            this.id,
+            this.title,
+            this.tags,
+            this.spout,
+            this.error,
+            this.icon
+        )
+
+fun Source.toEntity(context: Context): SourceEntity =
+        SourceEntity(
+            this.id,
+            this.title,
+            this.tags,
+            this.spout,
+            this.error,
+            this.getIcon(context)
+        )
+
+fun Tag.toEntity(): TagEntity =
+        TagEntity(
+            this.tag,
+            this.color,
+            this.unread
+        )

build.gradle

@@ -4,6 +4,8 @@ buildscript {
     ext {
         kotlin_version = '1.2.51'
         android_version = '1.0.0'
+        lifecycle_version = '2.0.0'
+        room_version = '2.1.0-alpha01'
     }
     repositories {
         jcenter()