Add logging to modifying commands

src/main/java/seedu/address/logic/commands/AddCommand.java

@@ -9,8 +9,10 @@
 import static seedu.address.model.person.fields.Phone.PREFIX_PHONE;
 import static seedu.address.model.person.fields.Tags.PREFIX_TAG;
 
+import java.util.logging.Logger;
 import java.util.stream.Stream;
 
+import seedu.address.commons.core.LogsCenter;
 import seedu.address.commons.util.ToStringBuilder;
 import seedu.address.logic.Messages;
 import seedu.address.logic.commands.exceptions.CommandException;
@@ -53,6 +55,8 @@ public class AddCommand extends Command {
     public static final String MESSAGE_SUCCESS = "New contact added: %1$s";
     public static final String MESSAGE_DUPLICATE_CONTACT = "This contact already exists.";
 
+    private static final Logger logger = LogsCenter.getLogger(AddCommand.class);
+
     private final Person toAdd;
 
     /**
@@ -68,6 +72,7 @@ public String execute(Model model) throws CommandException {
         requireNonNull(model);
 
         if (model.hasPerson(toAdd)) {
+            logger.finer("Recognized as duplicate person: " + toAdd.toString());
             throw new CommandException(MESSAGE_DUPLICATE_CONTACT);
         }
 

src/main/java/seedu/address/logic/commands/AssetCommand.java

@@ -4,8 +4,10 @@
 import static seedu.address.commons.util.CollectionUtil.requireAllNonNull;
 import static seedu.address.logic.Messages.MESSAGE_INVALID_COMMAND_FORMAT;
 
+import java.util.logging.Logger;
 import java.util.stream.Stream;
 
+import seedu.address.commons.core.LogsCenter;
 import seedu.address.commons.util.ToStringBuilder;
 import seedu.address.logic.commands.exceptions.CommandException;
 import seedu.address.logic.util.ArgumentMultimap;
@@ -33,6 +35,8 @@ public class AssetCommand extends Command {
     public static final String MESSAGE_NOT_EDITED = "At least one field to edit must be provided.";
     public static final String MESSAGE_INVALID_ASSET_NAME = "The asset name provided is invalid";
 
+    private static final Logger logger = LogsCenter.getLogger(AssetCommand.class);
+
     private final Asset target;
     private final Asset editedAsset;
 
@@ -52,9 +56,11 @@ public String execute(Model model) throws CommandException {
         requireNonNull(model);
 
         if (target.equals(editedAsset)) {
+            logger.finer("Asset recognized as unedited: " + editedAsset);
             throw new CommandException(MESSAGE_NOT_EDITED);
         }
         if (!model.hasAsset(target)) {
+            logger.finer("Asset recognized as non-existing: " + editedAsset);
             throw new CommandException(MESSAGE_INVALID_ASSET_NAME);
         }
 

src/main/java/seedu/address/logic/commands/CopyCommand.java

@@ -10,7 +10,9 @@
 import static seedu.address.model.person.fields.Tags.PREFIX_TAG;
 
 import java.util.List;
+import java.util.logging.Logger;
 
+import seedu.address.commons.core.LogsCenter;
 import seedu.address.commons.core.index.Index;
 import seedu.address.commons.util.ToStringBuilder;
 import seedu.address.logic.Messages;
@@ -42,6 +44,8 @@ public class CopyCommand extends Command {
     public static final String MESSAGE_NO_PARAM = "One field to copy must be provided.";
     public static final String MESSAGE_EXTRA_PARAM = "Only one field can be copied.";
 
+    private static final Logger logger = LogsCenter.getLogger(CopyCommand.class);
+
     private final Index index;
     private final boolean[] info;
 
@@ -78,21 +82,27 @@ private static String copyToClipboard(Person personToCopy, boolean[] info) {
         requireNonNull(personToCopy);
 
         if (info[0]) {
+            logger.finest("Copied name to clipboard");
             return personToCopy.getName().toString();
         }
         if (info[1]) {
+            logger.finest("Copied phone to clipboard");
             return personToCopy.getPhone().toString();
         }
         if (info[2]) {
+            logger.finest("Copied email to clipboard");
             return personToCopy.getEmail().toString();
         }
         if (info[3]) {
+            logger.finest("Copied address to clipboard");
             return personToCopy.getAddress().toString();
         }
         if (info[4]) {
+            logger.finest("Copied tags to clipboard");
             return personToCopy.getTags().toString();
         }
         if (info[5]) {
+            logger.finest("Copied assets to clipboard");
             return personToCopy.getAssets().toString();
         }
 

src/main/java/seedu/address/logic/commands/EditCommand.java

@@ -16,7 +16,9 @@
 import java.util.List;
 import java.util.Objects;
 import java.util.Optional;
+import java.util.logging.Logger;
 
+import seedu.address.commons.core.LogsCenter;
 import seedu.address.commons.core.index.Index;
 import seedu.address.commons.util.CollectionUtil;
 import seedu.address.commons.util.ToStringBuilder;
@@ -59,6 +61,8 @@ public class EditCommand extends Command {
     public static final String MESSAGE_NOT_EDITED = "At least one field to edit must be provided.";
     public static final String MESSAGE_DUPLICATE_CONTACT = "This contact already exists.";
 
+    private static final Logger logger = LogsCenter.getLogger(EditCommand.class);
+
     private final Index index;
     private final EditPersonDescriptor editPersonDescriptor;
 
@@ -87,6 +91,7 @@ public String execute(Model model) throws CommandException {
         Person editedPerson = createEditedPerson(personToEdit, editPersonDescriptor);
 
         if (!personToEdit.isSamePerson(editedPerson) && model.hasPerson(editedPerson)) {
+            logger.finer("Recognized as duplicate person: " + editedPerson);
             throw new CommandException(MESSAGE_DUPLICATE_CONTACT);
         }