create retrofacebook and token retrieval

.gitignore

@@ -7,3 +7,5 @@
 /build
 /captures
 .externalNativeBuild
+/app/src/main/res/values/strings_facebook.xml
+/app/src/main/kotlin/com/pitchedapps/frost/facebook/Private.kt

app/build.gradle

@@ -76,6 +76,17 @@ dependencies {
 
     compile "com.lapism:searchview:${SEARCH_VIEW}"
 
+    compile "org.jsoup:jsoup:${JSOUP}"
+
+    compile "com.facebook.android:facebook-android-sdk:${FB_SDK}"
+
+    compile "org.jetbrains.anko:anko:${ANKO}"
+
+    compile "com.squareup.retrofit2:retrofit:${RETROFIT}"
+    compile "com.squareup.retrofit2:adapter-rxjava2:${RETROFIT}"
+    compile "com.squareup.retrofit2:converter-gson:${RETROFIT}"
+    compile "com.squareup.okhttp3:logging-interceptor:${OKHTTP_INTERCEPTOR}"
+
     compile "com.github.bumptech.glide:glide:${GLIDE}"
     annotationProcessor "com.github.bumptech.glide:compiler:${GLIDE}"
 }

app/src/main/AndroidManifest.xml

@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
     package="com.pitchedapps.frost">
 
     <!-- To auto-complete the email text field in the login form with the user's emails -->
@@ -18,12 +19,12 @@
     <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION" />
 
     <application
+        android:name=".FrostApp"
         android:allowBackup="true"
         android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:name=".FrostApp"
         android:theme="@style/AppTheme">
         <activity
             android:name=".StartActivity"
@@ -91,6 +92,37 @@
                     android:scheme="https" />
             </intent-filter>
         </activity>
+        <activity android:name=".LoginActivity" />
+        <activity
+            android:name="com.facebook.FacebookActivity"
+            android:configChanges="keyboard|keyboardHidden|screenLayout|screenSize|orientation"
+            android:label="@string/app_name"
+            android:theme="@android:style/Theme.Translucent.NoTitleBar"
+            tools:replace="android:theme" />
+        <activity
+            android:name="com.facebook.CustomTabActivity"
+            android:exported="true">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+
+                <data android:scheme="@string/fb_login_protocol_scheme" />
+            </intent-filter>
+        </activity>
+
+        <meta-data
+            android:name="com.facebook.sdk.ApplicationId"
+            android:value="@string/facebook_app_id" />
+        <meta-data
+            android:name="com.facebook.sdk.ApplicationName"
+            android:value="@string/facebook_app_name" />
+
+        <provider
+            android:name="com.facebook.FacebookContentProvider"
+            android:authorities="@string/facebook_authorities"
+            android:exported="true" />
     </application>
 
 </manifest>

app/src/main/kotlin/com/pitchedapps/frost/FbActivity.kt

@@ -0,0 +1,21 @@
+package com.pitchedapps.frost
+
+import android.os.Bundle
+import android.support.annotation.CallSuper
+import android.support.v7.app.AppCompatActivity
+import com.facebook.AccessToken
+import com.pitchedapps.frost.utils.L
+
+/**
+ * Created by Allan Wang on 2017-05-29.
+ */
+open class FbActivity : AppCompatActivity() {
+    var accessToken: AccessToken? = null
+
+    @CallSuper
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        accessToken = AccessToken.getCurrentAccessToken()
+        L.e("Access ${accessToken?.token}")
+    }
+}

app/src/main/kotlin/com/pitchedapps/frost/FrostApp.kt

@@ -1,6 +1,8 @@
 package com.pitchedapps.frost
 
 import android.app.Application
+import com.pitchedapps.frost.facebook.retro.FrostApi
+import com.pitchedapps.frost.facebook.retro.IFrost
 import com.pitchedapps.frost.utils.CrashReportingTree
 import com.pitchedapps.frost.utils.Prefs
 import io.realm.Realm
@@ -13,15 +15,11 @@ import timber.log.Timber.DebugTree
  */
 class FrostApp : Application() {
 
-    companion object {
-        lateinit var prefs: Prefs
-    }
-
     override fun onCreate() {
         if (BuildConfig.DEBUG) Timber.plant(DebugTree())
         else Timber.plant(CrashReportingTree())
-
-        prefs = Prefs(applicationContext)
+        Prefs(applicationContext)
+        FrostApi(applicationContext)
         Realm.init(applicationContext)
         super.onCreate()
     }

app/src/main/kotlin/com/pitchedapps/frost/LoginActivity.kt

@@ -0,0 +1,64 @@
+package com.pitchedapps.frost
+
+import android.content.Intent
+import android.content.pm.PackageInstaller
+import android.os.Bundle
+import android.widget.Button
+import com.facebook.CallbackManager
+import com.facebook.FacebookCallback
+import com.facebook.FacebookException
+import com.facebook.login.LoginBehavior
+import com.facebook.login.LoginManager
+import com.facebook.login.LoginResult
+import com.facebook.login.widget.LoginButton
+import com.pitchedapps.frost.utils.L
+import java.util.*
+
+
+/**
+ * Created by Allan Wang on 2017-05-29.
+ */
+class LoginActivity : FbActivity() {
+    lateinit var callback: CallbackManager
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        setContentView(R.layout.login_teest)
+        val loginButton = findViewById(R.id.login_button) as LoginButton
+        loginButton.loginBehavior = LoginBehavior.WEB_VIEW_ONLY
+        loginButton.setReadPermissions("email")
+        val switchh = findViewById(R.id.switchh) as Button
+        switchh.setOnClickListener {
+            startActivity(Intent(this, MainActivity::class.java))
+            finish()
+        }
+        // If using in a fragment
+//        loginButton.setFragment(this)
+        // Other app specific specialization
+
+        // Callback registration
+        callback = CallbackManager.Factory.create()
+        loginButton.registerCallback(callback, object : FacebookCallback<LoginResult> {
+            override fun onSuccess(loginResult: LoginResult) {
+                L.e("Success")
+                L.e("Success ${loginResult.accessToken.token}")
+            }
+
+            override fun onCancel() {
+                // App code
+                L.e("Cancel")
+            }
+
+            override fun onError(exception: FacebookException) {
+                // App code
+                L.e("Error")
+            }
+        })
+
+//        LoginManager.getInstance().logInWithReadPermissions(this, Arrays.asList("public_profile"));
+    }
+
+    override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) {
+        super.onActivityResult(requestCode, resultCode, data)
+        callback.onActivityResult(requestCode, resultCode, data)
+    }
+}

app/src/main/kotlin/com/pitchedapps/frost/MainActivity.kt

@@ -1,5 +1,6 @@
 package com.pitchedapps.frost
 
+import android.content.Intent
 import android.os.Bundle
 import android.support.design.widget.FloatingActionButton
 import android.support.design.widget.Snackbar
@@ -69,7 +70,10 @@ class MainActivity : AppCompatActivity(), KeyPairObservable {
         // automatically handle clicks on the Home/Up button, so long
         // as you specify a parent activity in AndroidManifest.xml.
         when (item.itemId) {
-            R.id.action_settings -> return true
+            R.id.action_settings -> {
+                startActivity(Intent(this, LoginActivity::class.java))
+                finish()
+            }
             R.id.action_changelog -> Changelog.show(this)
             else -> return super.onOptionsItemSelected(item)
         }

app/src/main/kotlin/com/pitchedapps/frost/StartActivity.kt

@@ -11,7 +11,7 @@ class StartActivity : AppCompatActivity() {
 
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        startActivity(Intent(this, MainActivity::class.java))
+        startActivity(Intent(this, LoginActivity::class.java))
         finish()
     }
 }

app/src/main/kotlin/com/pitchedapps/frost/facebook/FbToken.kt

@@ -0,0 +1,13 @@
+package com.pitchedapps.frost.facebook
+
+import com.facebook.AccessToken
+
+/**
+ * Created by Allan Wang on 2017-05-30.
+ */
+val token: String?
+    get() = AccessToken.getCurrentAccessToken()?.token
+
+fun setToken() {
+
+}

app/src/main/kotlin/com/pitchedapps/frost/facebook/UrlData.kt

@@ -18,6 +18,7 @@ import io.realm.annotations.PrimaryKey
  * Created by Allan Wang on 2017-05-29.
  */
 enum class FbUrl(@StringRes val titleId: Int, val icon: IIcon, val url: String) {
+    LOGIN(R.string.feed, CommunityMaterial.Icon.cmd_newspaper, "https://www.facebook.com/v2.9/dialog/oauth?client_id=$FB_KEY&redirect_uri=https://touch.facebook.com/&response_type=token,granted_scopes"),
     FEED(R.string.feed, CommunityMaterial.Icon.cmd_newspaper, "https://touch.facebook.com/"),
     PROFILE(R.string.profile, CommunityMaterial.Icon.cmd_account, "https://touch.facebook.com/me/"),
     EVENTS(R.string.events, GoogleMaterial.Icon.gmd_event, "https://touch.facebook.com/events/upcoming"),
@@ -60,6 +61,6 @@ fun loadFbTab(c: Context): List<FbTab> {
     val realmList = mutableListOf<FbTabRealm>()
     realm(RealmFiles.TABS, Realm.Transaction { it.copyFromRealm(realmList) })
     if (realmList.isNotEmpty()) return realmList.map { FbTab(it) }
-    return FbUrl.values().map { it.tabInfo(c) }
+    return listOf(FbUrl.FEED, FbUrl.MESSAGES, FbUrl.NOTIFICATIONS).map { it.tabInfo(c) }
 }
 

app/src/main/kotlin/com/pitchedapps/frost/facebook/retro/FrostApi.kt

@@ -0,0 +1,52 @@
+package com.pitchedapps.frost.facebook.retro
+
+import android.content.Context
+import com.facebook.stetho.okhttp3.StethoInterceptor
+import com.google.gson.GsonBuilder
+import com.pitchedapps.frost.BuildConfig
+import io.reactivex.schedulers.Schedulers
+import okhttp3.Cache
+import okhttp3.OkHttpClient
+import okhttp3.logging.HttpLoggingInterceptor
+import retrofit2.Retrofit
+import retrofit2.adapter.rxjava2.RxJava2CallAdapterFactory
+import retrofit2.converter.gson.GsonConverterFactory
+import java.io.File
+
+/**
+ * Created by Allan Wang on 2017-05-30.
+ *
+ * API for data retrieval
+ */
+object FrostApi {
+
+    internal lateinit var frostApi: IFrost
+
+    operator fun invoke(context: Context) {
+        val cacheDir = File(context.cacheDir, "responses")
+        val cacheSize = 5L * 1024 * 1024 //10MiB
+        val cache = Cache(cacheDir, cacheSize)
+
+        val client = OkHttpClient.Builder()
+                .addInterceptor(FrostInterceptor(context))
+                .cache(cache)
+
+
+        //add logger and stetho last
+
+        if (BuildConfig.DEBUG || BuildConfig.BUILD_TYPE == "releaseTest") {  //log if not full release
+            client.addInterceptor(HttpLoggingInterceptor().setLevel(HttpLoggingInterceptor.Level.BASIC))
+            client.addNetworkInterceptor(StethoInterceptor())
+        }
+
+        val gson = GsonBuilder().setLenient()
+
+        val retrofit = Retrofit.Builder()
+                .baseUrl("https://graph.facebook.com/")
+                .addCallAdapterFactory(RxJava2CallAdapterFactory.createWithScheduler(Schedulers.io()))
+                .addConverterFactory(GsonConverterFactory.create(gson.create()))
+                .client(client.build())
+                .build();
+        frostApi = retrofit.create(IFrost::class.java)
+    }
+}

app/src/main/kotlin/com/pitchedapps/frost/facebook/retro/FrostData.kt

@@ -0,0 +1,8 @@
+package com.pitchedapps.frost.facebook.retro
+
+/**
+ * Created by Allan Wang on 2017-05-30.
+ *
+ * Collection of Graph API outputs
+ */
+data class Me(val name: String, val id: String)

app/src/main/kotlin/com/pitchedapps/frost/facebook/retro/FrostInterceptor.kt

@@ -0,0 +1,29 @@
+package com.pitchedapps.frost.facebook.retro
+
+import android.content.Context
+import com.pitchedapps.frost.facebook.token
+import com.pitchedapps.frost.utils.Utils
+import okhttp3.Interceptor
+import okhttp3.Response
+
+/**
+ * Created by Allan Wang on 2017-05-30.
+ */
+private val maxStale = 60 * 60 * 24 * 28 //maxAge to get from cache if online (4 weeks)
+const val ACCESS_TOKEN = "access_token"
+
+class FrostInterceptor(val context: Context) : Interceptor {
+
+    override fun intercept(chain: Interceptor.Chain): Response? {
+        val request = chain.request()
+        val requestBuilder = request.newBuilder()
+        val urlBase = request.url()
+        val urlWithToken = urlBase.newBuilder()
+        if (urlBase.queryParameter(ACCESS_TOKEN) == null && token != null)
+            urlWithToken.addQueryParameter(ACCESS_TOKEN, token)
+        requestBuilder.url(urlWithToken.build())
+        if (!Utils.isNetworkAvailable(context)) requestBuilder.addHeader("Cache-Control", "public, only-if-cached, max-stale=" + maxStale)
+        return chain.proceed(requestBuilder.build())
+    }
+
+}

app/src/main/kotlin/com/pitchedapps/frost/facebook/retro/IFrost.kt

@@ -0,0 +1,16 @@
+package com.pitchedapps.frost.facebook.retro
+
+import com.pitchedapps.frost.facebook.token
+import retrofit2.Call
+import retrofit2.http.GET
+import retrofit2.http.Query
+
+/**
+ * Created by Allan Wang on 2017-05-30.
+ */
+interface IFrost {
+
+    @GET("me")
+    fun me(@Query(ACCESS_TOKEN) accessToken: String? = token): Call<Me>
+
+}

app/src/main/kotlin/com/pitchedapps/frost/utils/Prefs.kt

@@ -1,30 +1,36 @@
 package com.pitchedapps.frost.utils
 
-import com.pitchedapps.frost.FrostApp
+import android.content.Context
+import android.content.SharedPreferences
 
 /**
  * Created by Allan Wang on 2017-05-28.
  */
-val prefs: Prefs by lazy { FrostApp.prefs }
 
-class Prefs(c: android.content.Context) {
-    private companion object {
-        val PREFERENCE_NAME = "${com.pitchedapps.frost.BuildConfig.APPLICATION_ID}.prefs"
-        val LAST_ACTIVE = "last_active"
+private val PREFERENCE_NAME = "${com.pitchedapps.frost.BuildConfig.APPLICATION_ID}.prefs"
+private val LAST_ACTIVE = "last_active"
+
+object Prefs {
+
+    val prefs: Prefs by lazy { this }
+
+    lateinit private var c: Context
+    operator fun invoke(c: Context) {
+        this.c = c
     }
 
-    private val prefs: android.content.SharedPreferences by lazy { c.getSharedPreferences(com.pitchedapps.frost.utils.Prefs.Companion.PREFERENCE_NAME, android.content.Context.MODE_PRIVATE) }
+    private val sp: SharedPreferences by lazy { c.getSharedPreferences(PREFERENCE_NAME, Context.MODE_PRIVATE) }
 
     var lastActive: Long
-        get() = prefs.getLong(com.pitchedapps.frost.utils.Prefs.Companion.LAST_ACTIVE, -1)
-        set(value) = set(com.pitchedapps.frost.utils.Prefs.Companion.LAST_ACTIVE, System.currentTimeMillis())
+        get() = sp.getLong(LAST_ACTIVE, -1)
+        set(value) = set(LAST_ACTIVE, System.currentTimeMillis())
 
     init {
         lastActive = 0
     }
 
-    private fun set(key: String, value: Boolean) = prefs.edit().putBoolean(key, value).apply()
-    private fun set(key: String, value: Int) = prefs.edit().putInt(key, value).apply()
-    private fun set(key: String, value: Long) = prefs.edit().putLong(key, value).apply()
-    private fun set(key: String, value: String) = prefs.edit().putString(key, value).apply()
+    private fun set(key: String, value: Boolean) = sp.edit().putBoolean(key, value).apply()
+    private fun set(key: String, value: Int) = sp.edit().putInt(key, value).apply()
+    private fun set(key: String, value: Long) = sp.edit().putLong(key, value).apply()
+    private fun set(key: String, value: String) = sp.edit().putString(key, value).apply()
 }

app/src/main/kotlin/com/pitchedapps/frost/utils/Utils.kt

@@ -1,6 +1,8 @@
 package com.pitchedapps.frost.utils
 
+import android.content.Context
 import android.content.res.Resources
+import android.net.ConnectivityManager
 
 /**
  * Created by Allan Wang on 2017-05-28.
@@ -8,4 +10,10 @@ import android.content.res.Resources
 object Utils {
     fun dpToPx(dp: Int) = (dp * android.content.res.Resources.getSystem().displayMetrics.density).toInt()
     fun pxToDp(px:Int) = (px / android.content.res.Resources.getSystem().displayMetrics.density).toInt()
+
+    fun isNetworkAvailable(context: Context): Boolean {
+        val connectivityManager = context.getSystemService(Context.CONNECTIVITY_SERVICE) as ConnectivityManager
+        val activeNetworkInfo = connectivityManager.activeNetworkInfo
+        return activeNetworkInfo != null && activeNetworkInfo.isConnectedOrConnecting
+    }
 }

app/src/main/kotlin/com/pitchedapps/frost/views/FrostWebView.kt

@@ -68,6 +68,7 @@ class FrostWebView @JvmOverloads constructor(
                 super.onPageFinished(view, url)
                 observable.onNext(WebStatus.LOADED)
 //                CookieManager.getInstance().flush()
+                L.d("Loaded $url")
             }
         })
     }

app/src/main/kotlin/com/pitchedapps/frost/views/LoginWebView.kt

@@ -0,0 +1,78 @@
+package com.pitchedapps.frost.views
+
+import android.annotation.SuppressLint
+import android.content.Context
+import android.graphics.Bitmap
+import android.net.UrlQuerySanitizer
+import android.util.AttributeSet
+import android.view.View
+import android.webkit.WebResourceError
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import com.facebook.AccessToken
+import com.pitchedapps.frost.facebook.FB_KEY
+import com.pitchedapps.frost.facebook.retro.FrostApi.frostApi
+import com.pitchedapps.frost.facebook.retro.Me
+import com.pitchedapps.frost.utils.L
+import retrofit2.Call
+import retrofit2.Callback
+import retrofit2.Response
+
+/**
+ * Created by Allan Wang on 2017-05-29.
+ */
+class LoginWebView @JvmOverloads constructor(
+        context: Context, attrs: AttributeSet? = null, defStyleAttr: Int = 0
+) : WebView(context, attrs, defStyleAttr) {
+
+    init {
+        setupWebview()
+    }
+
+    @SuppressLint("SetJavaScriptEnabled")
+    fun setupWebview() {
+        settings.javaScriptEnabled = true
+        setLayerType(View.LAYER_TYPE_HARDWARE, null)
+        setWebViewClient(object : WebViewClient() {
+            override fun onReceivedError(view: WebView?, request: WebResourceRequest?, error: WebResourceError?) {
+                super.onReceivedError(view, request, error)
+                L.e("Error ${request}")
+            }
+
+            override fun onPageStarted(view: WebView?, url: String?, favicon: Bitmap?) {
+                super.onPageStarted(view, url, favicon)
+                L.d("Loading $url")
+            }
+
+            override fun onPageFinished(view: WebView?, url: String?) {
+                super.onPageFinished(view, url)
+                if (url == null) return
+                val sanitizer = UrlQuerySanitizer(url)
+                val accessToken = sanitizer.getValue("access_token")
+                val expiresIn = sanitizer.getValue("expires_in")
+                val grantedScopes = sanitizer.getValue("granted_scopes")
+                val deniedScopes = sanitizer.getValue("deniedScopes")
+
+
+                L.d("Loaded $url")
+            }
+        })
+    }
+
+    fun saveAccessToken(accessToken: String, expiresIn: String, grantedScopes: String?, deniedScopes: String?) {
+        L.d("Granted $grantedScopes")
+        L.d("Denied $deniedScopes")
+        frostApi.me(accessToken).enqueue(object : Callback<Me> {
+            override fun onFailure(call: Call<Me>?, t: Throwable?) {
+                TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+            }
+
+            override fun onResponse(call: Call<Me>, response: Response<Me>) {
+                AccessToken.setCurrentAccessToken(AccessToken(accessToken, FB_KEY.toString(), response.body().id, null, null, null, null, null))
+            }
+        })
+
+    }
+
+}

app/src/main/res/layout/login_teest.xml

@@ -0,0 +1,20 @@
+<?xml version="1.0" encoding="utf-8"?>
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:orientation="vertical">
+
+    <com.facebook.login.widget.LoginButton
+        android:id="@+id/login_button"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="center_horizontal"
+        android:layout_marginBottom="30dp"
+        android:layout_marginTop="30dp" />
+
+    <Button
+        android:id="@+id/switchh"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:text="switch" />
+</LinearLayout>

gradle.properties

@@ -1,16 +1,12 @@
 # Project-wide Gradle settings.
-
 # IDE (e.g. Android Studio) users:
 # Gradle settings configured through the IDE *will override*
 # any settings specified in this file.
-
 # For more details on how to configure your build environment visit
 # http://www.gradle.org/docs/current/userguide/build_environment.html
-
 # Specifies the JVM arguments used for the daemon process.
 # The setting is particularly useful for tweaking memory settings.
 org.gradle.jvmargs=-Xmx1536m
-
 # When configured, Gradle will run in incubating parallel mode.
 # This option should only be used with decoupled projects. More details, visit
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
@@ -22,7 +18,6 @@ TARGET_SDK=25
 BUILD_TOOLS=25.0.2
 VERSION_CODE=1
 VERSION_NAME=0.1
-
 ANDROID_SUPPORT_LIBS=25.3.1
 TIMBER=4.5.1
 MD=0.9.4.3
@@ -35,5 +30,10 @@ SEARCH_VIEW=4.0
 RX_JAVA=2.0.7
 RX_ANDROID=2.0.1
 RX_BINDING=2.0.0
+JSOUP=1.10.2
+FB_SDK=[4,5)
 STETHO=1.4.2
+ANKO=0.10.0
 GLIDE=4.0.0-RC0
+RETROFIT=2.2.0
+OKHTTP_INTERCEPTOR=3.6.0