Add list duplication lambdas

Lambdas/Lists/ListDuplicate/src/ListDuplicatePOST.java

@@ -0,0 +1,11 @@
+import com.amazonaws.services.lambda.runtime.Context;
+import com.amazonaws.services.lambda.runtime.RequestHandler;
+
+import java.util.Map;
+
+public class ListDuplicatePOST implements RequestHandler<Map<String,Object>, Object>{
+
+    public Object handleRequest(Map<String, Object> inputMap, Context unfilled) {
+        return BasicHandler.handleRequest(inputMap, unfilled, ListDuplicater.class);
+    }
+}

Lambdas/Lists/ListDuplicate/src/ListDuplicater.java

@@ -0,0 +1,73 @@
+import com.amazonaws.services.lambda.AWSLambdaClientBuilder;
+import com.amazonaws.services.lambda.model.InvokeRequest;
+import com.amazonaws.services.lambda.model.InvokeResult;
+
+import java.security.AccessControlException;
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.HashMap;
+import java.util.InputMismatchException;
+import java.util.Map;
+
+public class ListDuplicater implements CallHandler {
+
+    private Connection connection;
+    private String cognitoID;
+
+    private final String LIST_POPULATE = "INSERT INTO ListProduct(listID, productID, quantity, addedDate, purchased) SELECT ?, productID, quantity, addedDate, purchased FROM ListProduct WHERE listID = ?;";
+    private final String ACCESS_CHECK = "SELECT * from ListSharee WHERE userID = ? and listID = ?;";
+
+    public ListDuplicater(Connection connection, String cognitoID) {
+        this.connection = connection;
+        this.cognitoID = cognitoID;
+    }
+
+    public Object conductAction(Map<String, Object> bodyMap, HashMap<String, String> queryString, String cognitoID) throws SQLException {
+        String listName = bodyMap.get("name").toString();//Needs safe checking
+        Integer copyListID = (Integer) bodyMap.get("listID");
+
+        PreparedStatement accessCheck = connection.prepareStatement(ACCESS_CHECK);
+        accessCheck.setString(1, cognitoID);
+        accessCheck.setInt(2, copyListID);
+        ResultSet access = accessCheck.executeQuery();
+        if (access.next()) {
+            if (!ListPermissions.hasPermission(access.getInt("permissionLevel"), "Read")) {
+                throw new AccessControlException("User " + cognitoID + " does not have write permissions for list " + copyListID);
+            }
+        } else {
+            throw new AccessControlException("User " + cognitoID + " does not have any permissions to access list " + copyListID);
+        }
+
+
+        InvokeRequest invokeRequest = new InvokeRequest();
+        invokeRequest.setFunctionName("ListPOST");
+        invokeRequest.setPayload("{" +
+                "  \"body\": {" +
+                "    \"name\": \"" + listName + "\"" +
+                "  }," +
+                "  \"params\": {" +
+                "      \"querystring\": {" +
+                "      }" +
+                "  }," +
+                "  \"context\": {" +
+                "    \"sub\": \"" + cognitoID + "\"" +
+                "  }" +
+                "}");
+        System.out.println(invokeRequest);
+        InvokeResult listCreateResult = AWSLambdaClientBuilder.defaultClient().invoke(invokeRequest);
+        if (listCreateResult.getStatusCode() != 200) {
+            throw new InputMismatchException("Could not find specified user to share with");
+        }
+        Integer newListID = Integer.parseInt(new String(listCreateResult.getPayload().array()).replace("\"", ""));
+
+        PreparedStatement populateList = connection.prepareStatement(LIST_POPULATE);
+        populateList.setInt(1, newListID);
+        populateList.setInt(2, copyListID);
+        System.out.println(populateList);
+        populateList.executeUpdate();
+        connection.commit();
+        return newListID;
+    }
+}

Listify/app/src/main/java/com/example/listify/MainActivity.java

@@ -17,6 +17,7 @@ import androidx.navigation.ui.AppBarConfiguration;
 import androidx.navigation.ui.NavigationUI;
 import com.amplifyframework.auth.AuthException;
 import com.example.listify.data.List;
+import com.example.listify.data.ListDuplicate;
 import com.example.listify.data.ListReposition;
 import com.example.listify.data.SearchHistory;
 import com.example.listify.ui.LoginPage;
@@ -110,6 +111,7 @@ public class MainActivity extends AppCompatActivity implements CreateListDialogF
             try {
                 System.out.println(historyReceiver.await());
                 requestor.putObject(new ListReposition(291, 1));
+                requestor.postObject(new ListDuplicate(290, "yet another list"));
             } catch (Exception e) {
                 e.printStackTrace();
             }

Listify/app/src/main/java/com/example/listify/data/ListDuplicate.java

@@ -0,0 +1,37 @@
+package com.example.listify.data;
+
+// Info on List to copy
+public class ListDuplicate {
+    Integer listID;
+    String name;
+
+    public ListDuplicate(Integer listID, String name) {
+        this.listID = listID;
+        this.name = name;
+    }
+
+    @Override
+    public String toString() {
+        return "ListDuplicate{" +
+                "listID=" + listID +
+                ", name='" + name + '\'' +
+                '}';
+    }
+
+    public Integer getListID() {
+        return listID;
+    }
+
+    public void setListID(Integer listID) {
+        this.listID = listID;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+}