feat(Messages): Fetch, although not needed now

app/src/main/java/fr/plnech/dunbar/MainActivity.kt

@@ -5,7 +5,6 @@ import android.graphics.Bitmap
 import android.graphics.BitmapFactory
 import android.os.Bundle
 import android.provider.ContactsContract
-import android.util.Log
 import android.view.Menu
 import android.view.MenuItem
 import android.widget.Toast
@@ -18,6 +17,7 @@ import java.io.IOException
 
 class MainActivity : AppCompatActivity() {
 
+    private lateinit var messages: Messages
     private val friends = mutableListOf<Friend>()
 
     override fun onCreate(savedInstanceState: Bundle?) {
@@ -25,6 +25,8 @@ class MainActivity : AppCompatActivity() {
         setContentView(R.layout.activity_main)
         setSupportActionBar(toolbar)
 
+//        messages = Messages(applicationContext)
+
         fab.setOnClickListener { view ->
             reloadFriends()
         }
@@ -51,8 +53,15 @@ class MainActivity : AppCompatActivity() {
     private fun reloadFriends() {
         fetchFriends()
         displayFriends()
+//        fetchMessages()
+    }
 
-        Toast.makeText(this, "Friends reloaded.", Toast.LENGTH_SHORT).show()
+    private fun fetchMessages() {
+        messages.fetchAll()
+        Toast.makeText(
+            this, "${messages.sent.size} messages sent, " +
+                    "${messages.inbox.size} messages received.", Toast.LENGTH_SHORT
+        ).show()
     }
 
     private fun fetchFriends() {
@@ -102,8 +111,6 @@ class MainActivity : AppCompatActivity() {
 
         val nbFriends = adapter.itemCount
         welcomeTitle.text = "$nbFriends ${"friend".plural(nbFriends)} on Dunbar"
-
-        Toast.makeText(this@MainActivity, "$nbFriends ", Toast.LENGTH_LONG).show()
     }
 
     private fun getPhoto(id: Long): Bitmap? {
@@ -111,7 +118,8 @@ class MainActivity : AppCompatActivity() {
 
         try {
             val inputStream = ContactsContract.Contacts.openContactPhotoInputStream(
-                contentResolver, ContentUris.withAppendedId(
+                contentResolver,
+                ContentUris.withAppendedId(
                     ContactsContract.Contacts.CONTENT_URI,
                     java.lang.Long.valueOf(id)
                 )
@@ -125,7 +133,7 @@ class MainActivity : AppCompatActivity() {
         } catch (e: IOException) {
             e.printStackTrace()
         }
-        Log.d("--> ", photo.toString())
+        println("Photo for $id: $photo")
         return photo
     }
 }

app/src/main/java/fr/plnech/dunbar/Messages.kt

+package fr.plnech.dunbar
+
+import android.content.Context
+import android.net.Uri
+import android.provider.Telephony
+
+
+class Messages(context: Context) {
+
+    private val contentResolver = context.contentResolver
+    var inbox: MutableList<Map<String, String?>> = mutableListOf()
+    var sent: MutableList<Map<String, String?>> = mutableListOf()
+
+    fun fetchAll() {
+        inbox = fetchMessages(Telephony.Sms.Inbox.CONTENT_URI)
+        sent = fetchMessages(Telephony.Sms.Sent.CONTENT_URI)
+    }
+
+    private fun fetchMessages(uri: Uri): MutableList<Map<String, String?>> {
+        val messages = mutableListOf<Map<String, String?>>()
+
+        contentResolver.query(uri, null, null, null, null).let {
+            if (it != null) {
+                if (it.moveToFirst()) {
+                    while (it.moveToNext()) {
+
+                        println("Processing message.")
+                        val msg = mutableMapOf<String, String?>()
+                        for (i in 0 until it.count) {
+                            for (col in it.columnNames) {
+                                val index = it.getColumnIndex(col)
+                                msg[col] = it.getString(index)
+                            }
+                        }
+                        messages.add(msg)
+                    }
+                } else {
+                    println("No messages in ${uri.toString().replace("content://sms/", "")}.")
+                }
+                it.close()
+            } else {
+                println("Null cursor.")
+            }
+
+        }
+        return messages
+    }
+}
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