get contacts endpoint

lib/api_service.dart

@@ -49,6 +49,7 @@ class ApiService {
       return [];
     }
   }
+
   Future<List<GetThreadResponse>> fetchEmailsFromFolderReversed(
       String folder, int pagenitaion) async {
     try {
@@ -82,6 +83,7 @@ class ApiService {
       return [];
     }
   }
+
   Future<void> fetchThreads(
       //populates allEmails, which is the List that contains all the emails in a thread
       int threadId,
@@ -214,7 +216,6 @@ class ApiService {
 
     // SerializableMessage firstMail = mailsInSerializable[0];
 
-    
     try {
       for (SerializableMessage mail in mailsInSerializable) {
         Map<String, String> requestBody = {
@@ -234,7 +235,8 @@ class ApiService {
           return true;
         } else {
           print('error ${response.statusCode} ${response.body}');
-      }}
+        }
+      }
     } catch (e) {
       print("failed trying to post move_email, with error: $e");
     }
@@ -252,6 +254,17 @@ class ApiService {
     }
   }
   
+  Future<List<String>> fetchContacts() async {
+    try {
+      var url = Uri.http('$ip:$port', 'get_contacts');
+      var response = await http.get(url);
+      return List<String>.from(json.decode(response.body));
+    } catch (e) {
+      print('fetchFolders caught error: $e');
+      return [];
+    }
+  }
+
   Future<void> createFolder(String folderName) async {
     var url = Uri.http('$ip:$port', 'create_folder');
 
@@ -416,6 +429,7 @@ class ApiService {
     try {
       var url = Uri.http(
           '$ip:$port', 'post_seen_thread', {'id': thread_id.toString()});
+      print("url: $url");
       var response = await http.get(url);
       if (response.statusCode == 200) {
         var result = response.body;
@@ -430,6 +444,7 @@ class ApiService {
     try {
       var url = Uri.http(
           '$ip:$port', 'post_unseen_thread', {'id': thread_id.toString()});
+      print("url: $url");
       var response = await http.get(url);
       if (response.statusCode == 200) {
         var result = response.body;