Merge pull request nus-cs2103-AY2223S1#79 from CFSY/startTime

Add StartTime class

Author: CFSY

src/main/java/seedu/waddle/logic/commands/EditItemCommand.java

@@ -5,6 +5,7 @@
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_DESCRIPTION;
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_DURATION;
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_PRIORITY;
+import static seedu.waddle.logic.parser.CliSyntax.PREFIX_START_TIME;
 
 import java.util.Optional;
 
@@ -18,6 +19,7 @@
 import seedu.waddle.model.item.Duration;
 import seedu.waddle.model.item.Item;
 import seedu.waddle.model.item.Priority;
+import seedu.waddle.model.item.StartTime;
 import seedu.waddle.model.itinerary.Itinerary;
 
 /**
@@ -34,7 +36,8 @@ public class EditItemCommand extends Command {
             + "[" + PREFIX_DESCRIPTION + "DESCRIPTION]"
             + "[" + PREFIX_PRIORITY + "PRIORITY]"
             + "[" + PREFIX_COST + "COST]"
-            + "[" + PREFIX_DURATION + "DURATION]...\n"
+            + "[" + PREFIX_DURATION + "DURATION]"
+            + "[" + PREFIX_START_TIME + "START TIME]...\n"
             + "Example: " + COMMAND_WORD + " 1 "
             + PREFIX_DESCRIPTION + "Visit the Eiffel Tower ";
 
@@ -119,6 +122,7 @@ public static class EditItemDescriptor {
         private Priority priority;
         private Cost cost;
         private Duration duration;
+        private StartTime startTime;
 
         public EditItemDescriptor() {
         }
@@ -132,6 +136,7 @@ public EditItemDescriptor(EditItemDescriptor toCopy) {
             setPriority(toCopy.priority);
             setCost(toCopy.cost);
             setDuration(toCopy.duration);
+            setStartTime(toCopy.startTime);
         }
 
         /**
@@ -173,6 +178,14 @@ public void setDuration(Duration duration) {
             this.duration = duration;
         }
 
+        public Optional<StartTime> getStartTime() {
+            return Optional.ofNullable(startTime);
+        }
+
+        public void setStartTime(StartTime startTime) {
+            this.startTime = startTime;
+        }
+
         @Override
         public boolean equals(Object other) {
             // short circuit if same object

src/main/java/seedu/waddle/logic/parser/CliSyntax.java

@@ -9,6 +9,7 @@ public class CliSyntax {
     public static final Prefix PREFIX_NAME = new Prefix("n/");
     public static final Prefix PREFIX_COUNTRY = new Prefix("c/");
     public static final Prefix PREFIX_START_DATE = new Prefix("sd/");
+    public static final Prefix PREFIX_START_TIME = new Prefix("t/");
     public static final Prefix PREFIX_ITINERARY_DURATION = new Prefix("dur/");
     public static final Prefix PREFIX_PEOPLE = new Prefix("p/");
     public static final Prefix PREFIX_BUDGET = new Prefix("b/");

src/main/java/seedu/waddle/logic/parser/EditItemCommandParser.java

@@ -6,6 +6,7 @@
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_DESCRIPTION;
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_DURATION;
 import static seedu.waddle.logic.parser.CliSyntax.PREFIX_PRIORITY;
+import static seedu.waddle.logic.parser.CliSyntax.PREFIX_START_TIME;
 
 import seedu.waddle.commons.core.index.Index;
 import seedu.waddle.logic.commands.EditItemCommand;
@@ -25,7 +26,7 @@ public EditItemCommand parse(String args) throws ParseException {
         requireNonNull(args);
         ArgumentMultimap argMultimap =
                 ArgumentTokenizer.tokenize(args, PREFIX_DESCRIPTION, PREFIX_PRIORITY,
-                                           PREFIX_COST, PREFIX_DURATION);
+                                           PREFIX_COST, PREFIX_DURATION, PREFIX_START_TIME);
 
         Index index;
 
@@ -57,6 +58,11 @@ public EditItemCommand parse(String args) throws ParseException {
                     ParserUtil.parseDuration(argMultimap.getValue(PREFIX_DURATION).get()));
         }
 
+        if (argMultimap.getValue(PREFIX_START_TIME).isPresent()) {
+            editItemDescriptor.setStartTime(
+                    ParserUtil.parseStartTime(argMultimap.getValue(PREFIX_START_TIME).get()));
+        }
+
         if (!editItemDescriptor.isAnyFieldEdited()) {
             throw new ParseException(EditItemCommand.MESSAGE_NOT_EDITED);
         }

src/main/java/seedu/waddle/logic/parser/ParserUtil.java

@@ -8,6 +8,7 @@
 import seedu.waddle.model.item.Cost;
 import seedu.waddle.model.item.Duration;
 import seedu.waddle.model.item.Priority;
+import seedu.waddle.model.item.StartTime;
 import seedu.waddle.model.itinerary.Budget;
 import seedu.waddle.model.itinerary.Country;
 import seedu.waddle.model.itinerary.Date;
@@ -189,4 +190,19 @@ public static Duration parseDuration(String duration) throws ParseException {
         return new Duration(trimmedDuration);
     }
 
+    /**
+     * Parses a {@code String startTime} into a {@code StartTime}.
+     * Leading and trailing whitespaces will be trimmed.
+     *
+     * @throws ParseException if the given {@code startTime} is invalid.
+     */
+    public static StartTime parseStartTime(String startTime) throws ParseException {
+        requireNonNull(startTime);
+        String trimmedStartTime = startTime.trim();
+        if (!StartTime.isValidStartTime(trimmedStartTime)) {
+            throw new ParseException(StartTime.MESSAGE_CONSTRAINTS);
+        }
+        return new StartTime(startTime);
+    }
+
 }

src/main/java/seedu/waddle/model/item/StartTime.java

@@ -0,0 +1,52 @@
+package seedu.waddle.model.item;
+
+import static java.util.Objects.requireNonNull;
+import static seedu.waddle.commons.util.AppUtil.checkArgument;
+
+import java.time.LocalTime;
+import java.time.format.DateTimeFormatter;
+import java.time.format.DateTimeParseException;
+
+/**
+ * Represents the start time of the item.
+ */
+public class StartTime {
+    public static final String MESSAGE_CONSTRAINTS =
+            "Cost should be written as HHmm in 24H format. For example, 3:25pm is 1525.";
+    private static final String timePattern = "HHmm";
+    private static final DateTimeFormatter timeFormatter = DateTimeFormatter.ofPattern(timePattern);
+    private final LocalTime startTime;
+
+    /**
+     * Constructs a {@code StartTime}.
+     *
+     * @param startTime A valid start time.
+     */
+    public StartTime(String startTime) {
+        requireNonNull(startTime);
+        checkArgument(isValidStartTime(startTime), MESSAGE_CONSTRAINTS);
+        this.startTime = LocalTime.parse(startTime, timeFormatter);
+    }
+
+    /**
+     * Returns true if a given string is a valid Cost
+     */
+    public static boolean isValidStartTime(String test) {
+        LocalTime time;
+        try {
+            time = LocalTime.parse(test, timeFormatter);
+        } catch (DateTimeParseException e) {
+            return false;
+        }
+        return true;
+    }
+
+    public LocalTime getStartTime() {
+        return this.startTime;
+    }
+
+    @Override
+    public String toString() {
+        return this.startTime.toString();
+    }
+}