Limit email report log snippet size

3 files changed, 19 insertions, 5 deletions

diff --git a/app/build.gradle b/app/build.gradle
index 778899d..36b78dd 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -86,6 +86,7 @@ dependencies {
   implementation 'com.github.tony19:logback-android:1.1.1-12'
   implementation('org.apache.commons:commons-configuration2:2.2') { exclude group: 'commons-logging', module: 'commons-logging' }
   implementation('commons-beanutils:commons-beanutils:1.9.3') { exclude group: 'commons-logging', module: 'commons-logging' }
+  implementation('commons-io:commons-io:2.6') { exclude group: 'commons-logging', module: 'commons-logging' }
 }
 
 repositories {
diff --git a/app/src/main/java/org/pacien/tincapp/activities/common/RecentCrashHandler.kt b/app/src/main/java/org/pacien/tincapp/activities/common/RecentCrashHandler.kt
index 82ecc9d..2bdbcca 100644
--- a/app/src/main/java/org/pacien/tincapp/activities/common/RecentCrashHandler.kt
+++ b/app/src/main/java/org/pacien/tincapp/activities/common/RecentCrashHandler.kt
@@ -19,17 +19,20 @@
 package org.pacien.tincapp.activities.common
 
 import android.support.v7.app.AlertDialog
+import org.apache.commons.io.input.ReversedLinesFileReader
 import org.pacien.tincapp.R
 import org.pacien.tincapp.activities.BaseActivity
 import org.pacien.tincapp.context.App
 import org.pacien.tincapp.context.AppPaths
 import org.pacien.tincapp.context.CrashRecorder
+import java.io.File
 
 /**
  * @author pacien
  */
 class RecentCrashHandler(private val parentActivity: BaseActivity) {
   private val resources by lazy { parentActivity.resources!! }
+  private val maxLines = 1000
 
   fun handleRecentCrash() {
     if (!CrashRecorder.hasPreviouslyCrashed()) return
@@ -53,6 +56,17 @@ class RecentCrashHandler(private val parentActivity: BaseActivity) {
     App.sendMail(
       resources.getString(R.string.crash_modal_dev_email),
       listOf(R.string.app_name, R.string.crash_modal_title).joinToString(" / ", transform = resources::getString),
-      AppPaths.appLogFile().let { if (it.exists()) it.readText() else "" }
+      AppPaths.appLogFile().let { if (it.exists()) it.readLastLines(maxLines) else "" }
     )
+
+  private fun File.readLastLines(n: Int): String {
+    val reader = ReversedLinesFileReader(this, Charsets.UTF_8)
+    val lastLines = generateSequence(reader::readLine)
+      .takeWhile { line: String? -> line != null }
+      .take(n)
+      .toList()
+      .asReversed()
+
+    return lastLines.joinToString("\n")
+  }
 }
diff --git a/app/src/main/java/org/pacien/tincapp/context/App.kt b/app/src/main/java/org/pacien/tincapp/context/App.kt
index 6f28bd0..cf12dda 100644
--- a/app/src/main/java/org/pacien/tincapp/context/App.kt
+++ b/app/src/main/java/org/pacien/tincapp/context/App.kt
@@ -28,7 +28,6 @@ import android.support.annotation.StringRes
 import org.pacien.tincapp.BuildConfig
 import org.pacien.tincapp.R
 import org.slf4j.LoggerFactory
-import java.io.File
 
 /**
  * @author pacien
@@ -71,12 +70,12 @@ class App : Application() {
       appContext?.startActivity(chooser.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))
     }
 
-    fun sendMail(recipient: String, subject: String, body: String? = null, attachment: File? = null) {
+    // https://developer.android.com/guide/components/intents-common#Email
+    fun sendMail(recipient: String, subject: String, body: String) {
       val intent = Intent(Intent.ACTION_SENDTO, Uri.parse("mailto:"))
         .putExtra(Intent.EXTRA_EMAIL, arrayOf(recipient))
         .putExtra(Intent.EXTRA_SUBJECT, subject)
-        .apply { if (body != null) putExtra(Intent.EXTRA_TEXT, body) }
-        .apply { if (attachment != null) putExtra(Intent.EXTRA_STREAM, Uri.fromFile(attachment)) }
+        .putExtra(Intent.EXTRA_TEXT, body)
 
       val chooser = Intent.createChooser(intent, getResources().getString(R.string.crash_modal_action_send_email))
       appContext?.startActivity(chooser.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK))