Fix-dates-and-display-messages

src/main/java/seedu/address/commons/util/DateTimeUtil.java

@@ -38,12 +38,24 @@ public static boolean isParsableDateTimeString(String test) {
             return false;
         }
 
+        LocalDateTime dateTime;
+
         try {
-            LocalDateTime.parse(test, DateTimeFormatter.ofPattern(DATE_FORMAT));
-            return true;
+            dateTime = LocalDateTime.parse(test, DateTimeFormatter.ofPattern(DATE_FORMAT));
         } catch (DateTimeParseException e) {
             return false;
         }
+
+        // Date is not parsable if truncation needed, eg. 29 Feb on non leap years will be truncated by parser
+        if (!DateTimeUtil.parseDateToString(dateTime).equals(test)) {
+            return false;
+        }
+
+        if (dateTime == null) {
+            return false;
+        }
+
+        return true;
     }
 
     /**

src/main/java/seedu/address/commons/util/DateUtil.java

@@ -9,7 +9,8 @@
  * Helper functions for handling dates and times.
  */
 public class DateUtil {
-    public static final String MESSAGE_CONSTRAINTS = "should be in the format YYYY-MM-DD and must be an actual date";
+    public static final String MESSAGE_CONSTRAINTS =
+            "date should be in the format YYYY-MM-DD and must be an actual date.";
     public static final String DATE_FORMAT = "yyyy-MM-dd";
     public static final String VALIDATION_REGEX = "\\d{4}-\\d{2}-\\d{2}";
 
@@ -37,12 +38,24 @@ public static boolean isParsableDateString(String test) {
             return false;
         }
 
+        LocalDate date;
+
         try {
-            LocalDate.parse(test, DateTimeFormatter.ofPattern(DATE_FORMAT));
-            return true;
+            date = LocalDate.parse(test, DateTimeFormatter.ofPattern(DATE_FORMAT));
         } catch (DateTimeParseException e) {
             return false;
         }
+
+        // Date is not parsable if truncation needed, eg. 29 Feb on non leap years will be truncated by parser
+        if (!DateUtil.parseDateToString(date).equals(test)) {
+            return false;
+        }
+
+        if (date == null) {
+            return false;
+        }
+
+        return true;
     }
 
     /**

src/main/java/seedu/address/logic/Messages.java

@@ -18,7 +18,7 @@ public class Messages {
     public static final String MESSAGE_PERSONS_LISTED_OVERVIEW = "%1$d persons listed!";
     public static final String MESSAGE_LASTMET_FUTURE = "You cannot meet someone from the future.";
     public static final String MESSAGE_SCHEDULE_PAST = "You cannot schedule an appointment in the past.";
-    public static final String MESSAGE_SCHEDULE_DONE = "This schedule has already been completed.";
+    public static final String MESSAGE_SCHEDULE_DONE = "This client has no unmarked scheduled appointments.";
     public static final String MESSAGE_DUPLICATE_FIELDS =
                 "Multiple values specified for the following single-valued field(s): ";
     public static final String MESSAGE_DUPLICATE_POLICY =

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

@@ -21,9 +21,9 @@
 public class MarkCommand extends Command {
     public static final String COMMAND_WORD = "mark";
 
-    public static final String MESSAGE_USAGE = COMMAND_WORD + ": marks a schedule as done. "
+    public static final String MESSAGE_USAGE = COMMAND_WORD + ": marks a scheduled appointment with a client as done. "
             + "Parameters: "
-            + "INDEX "
+            + "INDEX (client's index: must be a positive integer)\n"
             + "Example: " + COMMAND_WORD + " "
             + "1 ";
 

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

@@ -18,10 +18,8 @@ public class SetCommand extends Command {
     public static final String COMMAND_WORD = "set";
 
     public static final String MESSAGE_USAGE = COMMAND_WORD + ": sets the LastMet overdue time period. "
-            + "Parameters: "
-            + "NUMBER_OF_DAYS "
-            + "Example: " + COMMAND_WORD + " "
-            + "90.\n "
+            + "Parameters: NUMBER_OF_DAYS\n"
+            + "Example: " + COMMAND_WORD + " 90.\n"
             + "NUMBER_OF_DAYS must be an integer and be at least 0.";
 
     public static final String MESSAGE_SUCCESS = "LastMet Overdue time period has been set to %1$s days.";

src/main/java/seedu/address/logic/parser/LastMetCommandParser.java

@@ -20,6 +20,7 @@
  * Parses input arguments and creates a new LastMetCommand object
  */
 public class LastMetCommandParser {
+    public static final String DATE_MESSAGE_CONSTRAINTS = DateUtil.getMessageConstraintsForDateType("LastMet");
 
     /**
      * Parses the given {@code String} of arguments in the context of the LastMetCommand
@@ -46,6 +47,9 @@ public LastMetCommand parse(String args) throws ParseException {
 
         String lastMetString = argMultimap.getValue(PREFIX_LASTMET).orElse("");
 
+        if (!DateUtil.isValidDateString(lastMetString)) {
+            throw new ParseException(DATE_MESSAGE_CONSTRAINTS);
+        }
         try {
             LastMet lastMet = convertStringToLastMet(lastMetString);
             return new LastMetCommand(index, lastMet);
@@ -62,7 +66,10 @@ private static boolean arePrefixesPresent(ArgumentMultimap argumentMultimap, Pre
         return Stream.of(prefixes).allMatch(prefix -> argumentMultimap.getValue(prefix).isPresent());
     }
 
-    private LastMet convertStringToLastMet(String input) {
+    private LastMet convertStringToLastMet(String input) throws DateTimeParseException {
+        if (!DateUtil.isValidDateString(input)) {
+            throw new DateTimeParseException(DATE_MESSAGE_CONSTRAINTS, input, 0);
+        }
         LocalDate formattedInput = DateUtil.parseStringToDate(input);
         return new LastMet(formattedInput);
     }

src/main/java/seedu/address/logic/parser/ScheduleCommandParser.java

@@ -11,6 +11,7 @@
 import seedu.address.commons.core.index.Index;
 import seedu.address.commons.exceptions.IllegalValueException;
 import seedu.address.commons.util.DateTimeUtil;
+import seedu.address.commons.util.DateUtil;
 import seedu.address.logic.commands.ScheduleCommand;
 import seedu.address.logic.parser.exceptions.ParseException;
 import seedu.address.model.person.Schedule;
@@ -19,6 +20,7 @@
  * Parses input arguments and creates a new ScheduleCommand object
  */
 public class ScheduleCommandParser {
+    public static final String DATE_MESSAGE_CONSTRAINTS = DateUtil.getMessageConstraintsForDateType("Schedule");
 
     /**
      * Parses the given {@code String} of arguments in the context of the ScheduleCommand
@@ -46,6 +48,9 @@ public ScheduleCommand parse(String args) throws ParseException {
 
         String scheduleString = argMultimap.getValue(PREFIX_SCHEDULE).orElse("");
 
+        if (!DateTimeUtil.isValidDateTimeString(scheduleString)) {
+            throw new ParseException(DATE_MESSAGE_CONSTRAINTS);
+        }
         try {
             Schedule schedule = convertStringToSchedule(scheduleString);
             return new ScheduleCommand(index, schedule);

src/main/java/seedu/address/model/person/Birthday.java

@@ -12,7 +12,8 @@
  * Guarantees: immutable; is valid as declared in {@link #isValidBirthday(String)}
  */
 public class Birthday implements Comparable<Birthday> {
-    public static final String MESSAGE_CONSTRAINTS = DateUtil.getMessageConstraintsForDateType("Birthday");
+    public static final String MESSAGE_CONSTRAINTS = DateUtil.getMessageConstraintsForDateType("Birthday")
+            + " Birthday should not be in the future.";
     public final LocalDate date;
 
     /**