added mark as seen or unseen api call and deleteEmail, which only moves it to a folder called Deleted Crabmail

lib/api_service.dart

@@ -9,8 +9,8 @@ import 'package:http/http.dart' as http;
 import 'dart:convert';
 
 class ApiService {
-  static String ip = "";
+  static String ip = '127.0.0.1';
-  static String port = "";
+  static String port = "3001";
   static List<AttachmentResponse> threadAttachments =
       []; //holds attachments of the thread
   static String currFolder = "";
@@ -169,7 +169,7 @@ class ApiService {
   Future<bool> moveEmail(
       //only moves the first email of the thread //or perhaps should do the last
       String fromFolder,
-      String thread_id,
+      String thread_id, //uid
       String toFolder) async {
     var url = Uri.http('$ip:$port', 'move_email');
 
@@ -185,7 +185,7 @@ class ApiService {
     Map<String, String> requestBody = {
       'from': fromFolder,
       'uid': firstMail.uid.toString(),
-      'to': toFolder,
+      'to': "Deleted Crabmail",
     };
 
     try {
@@ -356,7 +356,7 @@ class ApiService {
         if (response.statusCode == 200) {
           counter += 1;
           Map<String, dynamic> json = jsonDecode(response.body);
-          
+
           MDofThread.add(json['md'] ?? '');
           try {
             List<AttachmentInfo> attachments =
@@ -374,7 +374,67 @@ class ApiService {
     } catch (e) {
       print('_getMDContent caught error: $e');
     }
-    
+    print("IDS inside fetch md content $IDsString");
+
     return MDofThread;
   }
+
+  Future<void> markAsSeen(int thread_id) async {
+    try {
+      var url = Uri.http(
+          '$ip:$port', 'post_seen_thread', {'id': thread_id.toString()});
+      var response = await http.get(url);
+      if (response.statusCode == 200) {
+        var result = response.body;
+        print("data $result");
+      }
+    } catch (e) {
+      print("markAsSeen failed $e");
+    }
+  }
+
+  Future<void> markAsUnseen(int thread_id) async {
+    try {
+      var url = Uri.http(
+          '$ip:$port', 'post_unseen_thread', {'id': thread_id.toString()});
+      var response = await http.get(url);
+      if (response.statusCode == 200) {
+        var result = response.body;
+        print("data $result");
+      }
+    } catch (e) {
+      print("markAsUnseen failed $e");
+    }
+  }
+
+  Future<bool> deleteEmail(String from_folder, int thread_id) async {
+    // post
+    try {
+      List<SerializableMessage> mailsInSerializable =
+        await this.threadsInSerializable(thread_id.toString());
+
+      if (mailsInSerializable.isEmpty) {
+        return false;
+      }
+      Map<String, String> requestBody = {"from": from_folder, "uid": mailsInSerializable.first.uid.toString(), "to": "not used"};
+
+      //delete the email that is given to the
+      var url = Uri.http("$ip:$port", 'delete_email');
+      var response = await http.post(url,
+          headers: {
+            "Content-Type": "application/json",
+          },
+          body: jsonEncode(requestBody));
+      if (response.statusCode == 200) {
+        print("response body: ${response.body}");
+        return true;
+      } else {
+        print("not 200: ${response.body}");
+        return false;
+      }
+    } catch (e) {
+      print("error in deleteEmail $e");
+      return false;
+    }
+  }
 }