From 46fb61e53327c6eb1ebc3bfced956f3e05f55abc Mon Sep 17 00:00:00 2001
From: Allan Wang <me@allanwang.ca>
Date: Thu, 20 Dec 2018 23:12:41 -0500
Subject: Add initial coroutines

---
 app/build.gradle                                   |  2 +
 .../com/pitchedapps/frost/facebook/FbCookie.kt     | 72 +++++++++++++++-------
 2 files changed, 51 insertions(+), 23 deletions(-)

(limited to 'app')

diff --git a/app/build.gradle b/app/build.gradle
index 34e57f84..0e2bff04 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -179,6 +179,8 @@ dependencies {
     //noinspection GradleDependency
     implementation "ca.allanwang.kau:core-ui:$KAU"
 
+    implementation "org.jetbrains.kotlinx:kotlinx-coroutines-android:$COROUTINES"
+
     implementation "org.apache.commons:commons-text:${COMMONS_TEXT}"
 
     implementation "com.devbrackets.android:exomedia:${EXOMEDIA}"
diff --git a/app/src/main/kotlin/com/pitchedapps/frost/facebook/FbCookie.kt b/app/src/main/kotlin/com/pitchedapps/frost/facebook/FbCookie.kt
index ab7e165a..57d5a88d 100644
--- a/app/src/main/kotlin/com/pitchedapps/frost/facebook/FbCookie.kt
+++ b/app/src/main/kotlin/com/pitchedapps/frost/facebook/FbCookie.kt
@@ -14,6 +14,10 @@ import com.pitchedapps.frost.utils.launchLogin
 import io.reactivex.Observable
 import io.reactivex.android.schedulers.AndroidSchedulers
 import io.reactivex.subjects.SingleSubject
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.coroutines.resume
+import kotlin.coroutines.suspendCoroutine
 
 /**
  * Created by Allan Wang on 2017-05-30.
@@ -27,37 +31,59 @@ object FbCookie {
     inline val webCookie: String?
         get() = CookieManager.getInstance().getCookie(FB_URL_BASE)
 
-    private fun setWebCookie(cookie: String?, callback: (() -> Unit)?) {
-        with(CookieManager.getInstance()) {
-            removeAllCookies { _ ->
-                if (cookie == null) {
-                    callback?.invoke()
-                    return@removeAllCookies
-                }
-                L.d { "Setting cookie" }
-                val cookies = cookie.split(";").map { Pair(it, SingleSubject.create<Boolean>()) }
-                cookies.forEach { (cookie, callback) -> setCookie(FB_URL_BASE, cookie) { callback.onSuccess(it) } }
-                Observable.zip<Boolean, Unit>(cookies.map { (_, callback) -> callback.toObservable() }) {}
-                        .observeOn(AndroidSchedulers.mainThread())
-                        .subscribe {
-                            callback?.invoke()
-                            L.d { "Cookies set" }
-                            L._d { cookie }
-                            flush()
-                        }
+    private fun CookieManager.setWebCookie(cookie: String?, callback: (() -> Unit)?) {
+        removeAllCookies { _ ->
+            if (cookie == null) {
+                callback?.invoke()
+                return@removeAllCookies
             }
+            L.d { "Setting cookie" }
+            val cookies = cookie.split(";").map { Pair(it, SingleSubject.create<Boolean>()) }
+            cookies.forEach { (cookie, callback) -> setCookie(FB_URL_BASE, cookie) { callback.onSuccess(it) } }
+            Observable.zip<Boolean, Unit>(cookies.map { (_, callback) -> callback.toObservable() }) {}
+                    .observeOn(AndroidSchedulers.mainThread())
+                    .subscribe {
+                        callback?.invoke()
+                        L.d { "Cookies set" }
+                        L._d { cookie }
+                        flush()
+                    }
+        }
+    }
+
+    private suspend fun CookieManager.suspendSetWebCookie(cookie: String?): Boolean {
+        cookie ?: return true
+        removeAllCookies()
+        val result = cookie.split(":").all {
+            setSingleWebCookie(it)
+        }
+        flush()
+        return result
+    }
+
+    private suspend fun CookieManager.removeAllCookies(): Boolean = suspendCoroutine { cont ->
+        removeAllCookies {
+            cont.resume(it)
         }
     }
 
+    private suspend fun CookieManager.setSingleWebCookie(cookie: String): Boolean = suspendCoroutine { cont ->
+        setCookie(FB_URL_BASE, cookie) {
+            cont.resume(it)
+        }
+    }
+
+
     operator fun invoke() {
         L.d { "FbCookie Invoke User" }
-        with(CookieManager.getInstance()) {
-            setAcceptCookie(true)
-        }
+        val manager = CookieManager.getInstance()
+        manager.setAcceptCookie(true)
         val dbCookie = loadFbCookie(Prefs.userId)?.cookie
         if (dbCookie != null && webCookie == null) {
             L.d { "DbCookie found & WebCookie is null; setting webcookie" }
-            setWebCookie(dbCookie, null)
+            GlobalScope.launch {
+                manager.suspendSetWebCookie(dbCookie)
+            }
         }
     }
 
@@ -91,7 +117,7 @@ object FbCookie {
         }
         L.d { "Switching User" }
         Prefs.userId = cookie.id
-        setWebCookie(cookie.cookie, callback)
+        CookieManager.getInstance().setWebCookie(cookie.cookie, callback)
     }
 
     /**
-- 
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