Team Fix

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

@@ -15,7 +15,9 @@
 import picocli.CommandLine;
 import seedu.address.logic.commands.exceptions.CommandException;
 import seedu.address.model.Model;
+import seedu.address.model.team.Description;
 import seedu.address.model.team.Team;
+import seedu.address.model.team.TeamName;
 
 /**
  * Adds a new team to the address book.
@@ -41,11 +43,11 @@ public class AddTeamCommand extends Command {
     public static final String MESSAGE_TEAM_EXISTS = "There is already an existing team with the same name!";
 
     @CommandLine.Parameters(arity = "1", description = FLAG_TEAM_NAME_DESCRIPTION)
-    private String teamName;
+    private TeamName teamName;
 
     @CommandLine.Option(names = {FLAG_DESCRIPTION_STR, FLAG_DESCRIPTION_LONG}, defaultValue =
-            Team.DEFAULT_DESCRIPTION, description = FLAG_TEAM_DESCRIPTION_DESCRIPTION)
-    private String description;
+            Description.NO_DESCRIPTION_STRING, description = FLAG_TEAM_DESCRIPTION_DESCRIPTION)
+    private Description description;
 
     @CommandLine.Option(names = {FLAG_HELP_STR, FLAG_HELP_STR_LONG}, usageHelp = true,
             description = FLAG_HELP_DESCRIPTION)

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

@@ -7,11 +7,13 @@
 import static seedu.address.logic.parser.CliSyntax.FLAG_TEAM_NAME_DESCRIPTION;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 import picocli.CommandLine;
 import seedu.address.logic.commands.exceptions.CommandException;
 import seedu.address.model.Model;
 import seedu.address.model.team.Team;
+import seedu.address.model.team.TeamName;
 
 /**
  * Deletes a team from the addressbook.
@@ -30,7 +32,7 @@ public class DeleteTeamCommand extends Command {
     public static final String MESSAGE_TEAM_NOT_EXISTS = "This team you are trying to delete does not exist!";
 
     @CommandLine.Parameters(arity = "1", description = FLAG_TEAM_NAME_DESCRIPTION)
-    private String targetTeamName;
+    private TeamName targetTeamName;
 
     @CommandLine.Option(names = {FLAG_HELP_STR, FLAG_HELP_STR_LONG}, usageHelp = true,
             description = FLAG_HELP_DESCRIPTION)
@@ -52,22 +54,24 @@ public CommandResult execute(Model model) throws CommandException {
         Team currentTeam = model.getTeam();
         Team targetTeam = new Team(targetTeamName);
 
-        int teamIndex = teamList.indexOf(targetTeam);
-        if (teamIndex == -1) {
+        List<Team> filteredListWithTargetTeam = teamList.stream()
+                .filter(targetTeam::isSameTeam).collect(Collectors.toList());
+
+        if (filteredListWithTargetTeam.size() == 0) {
             throw new CommandException(MESSAGE_TEAM_NOT_EXISTS);
         }
 
         if (teamList.size() == 1) {
             throw new CommandException(MESSAGE_AT_LEAST_ONE_TEAM);
         }
+        assert filteredListWithTargetTeam.size() == 1;
+        Team targetTeamInTeamList = filteredListWithTargetTeam.get(0);
 
-        Team deletedTeam = teamList.get(teamIndex);
-
-        model.deleteTeam(deletedTeam);
+        model.deleteTeam(targetTeamInTeamList);
         if (currentTeam.equals(targetTeam)) {
             model.setTeam(model.getTeamList().get(0));
         }
-        return new CommandResult(String.format(MESSAGE_DELETE_TEAM_SUCCESS, deletedTeam));
+        return new CommandResult(String.format(MESSAGE_DELETE_TEAM_SUCCESS, targetTeamInTeamList));
     }
 
     @Override

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

@@ -20,9 +20,11 @@
 import seedu.address.logic.commands.exceptions.CommandException;
 import seedu.address.model.Model;
 import seedu.address.model.person.Person;
+import seedu.address.model.team.Description;
 import seedu.address.model.team.Link;
 import seedu.address.model.team.Task;
 import seedu.address.model.team.Team;
+import seedu.address.model.team.TeamName;
 
 /**
  * Edits the currently set team.
@@ -72,8 +74,8 @@ public EditTeamCommand() {
     private static Team createEditedTeam(Team teamToEdit, EditTeamDescriptor editTeamDescriptor) {
         assert editTeamDescriptor != null;
 
-        String updatedName = editTeamDescriptor.getName().orElse(teamToEdit.getTeamName());
-        String updatedDescription = editTeamDescriptor.getDescription().orElse(teamToEdit.getDescription());
+        TeamName updatedName = editTeamDescriptor.getName().orElse(teamToEdit.getTeamName());
+        Description updatedDescription = editTeamDescriptor.getDescription().orElse(teamToEdit.getDescription());
         List<Person> members = teamToEdit.getTeamMembers();
         List<Task> tasks = teamToEdit.getTaskList();
         List<Link> links = teamToEdit.getLinkList();
@@ -131,21 +133,21 @@ public boolean equals(Object other) {
 
     private static class Arguments {
         @CommandLine.Option(names = {FLAG_NAME_STR, FLAG_NAME_STR_LONG}, description = FLAG_TEAM_NAME_DESCRIPTION)
-        private String name;
+        private TeamName name;
 
         @CommandLine.Option(names = {FLAG_DESCRIPTION_STR, FLAG_DESCRIPTION_LONG},
                 description = FLAG_TEAM_DESCRIPTION_DESCRIPTION)
-        private String description;
+        private Description description;
     }
 
     /**
      * Stores the details to edit the team with. Each non-empty field value will replace the
      * corresponding field value of the team.
      */
     public static class EditTeamDescriptor {
-        private String name;
+        private TeamName name;
 
-        private String description;
+        private Description description;
 
         public EditTeamDescriptor() {
         }
@@ -165,19 +167,19 @@ public boolean isAnyFieldEdited() {
             return CollectionUtil.isAnyNonNull(name, description);
         }
 
-        public Optional<String> getName() {
+        public Optional<TeamName> getName() {
             return Optional.ofNullable(name);
         }
 
-        public void setName(String name) {
+        public void setName(TeamName name) {
             this.name = name;
         }
 
-        public Optional<String> getDescription() {
+        public Optional<Description> getDescription() {
             return Optional.ofNullable(description);
         }
 
-        public void setDescription(String description) {
+        public void setDescription(Description description) {
             this.description = description;
         }
 

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

@@ -9,11 +9,13 @@
 import static seedu.address.model.Model.PREDICATE_SHOW_ALL_TASKS;
 
 import java.util.List;
+import java.util.stream.Collectors;
 
 import picocli.CommandLine;
 import seedu.address.logic.commands.exceptions.CommandException;
 import seedu.address.model.Model;
 import seedu.address.model.team.Team;
+import seedu.address.model.team.TeamName;
 
 /**
  * Sets the current team to an existing team.
@@ -34,7 +36,7 @@ public class SetTeamCommand extends Command {
     public static final String MESSAGE_TEAM_NOT_EXISTS = "This team you are trying to set does not exist!";
 
     @CommandLine.Parameters(arity = "1", description = FLAG_TEAM_NAME_DESCRIPTION)
-    private String targetTeamName;
+    private TeamName targetTeamName;
 
     @CommandLine.Option(names = {FLAG_HELP_STR, FLAG_HELP_STR_LONG}, usageHelp = true,
             description = FLAG_HELP_DESCRIPTION)
@@ -55,20 +57,23 @@ public CommandResult execute(Model model) throws CommandException {
         List<Team> teamList = model.getTeamList();
         Team currentTeam = model.getTeam();
         Team targetTeam = new Team(targetTeamName);
-        int teamIndex = teamList.indexOf(targetTeam);
+        List<Team> filteredListWithTargetTeam = teamList.stream()
+                .filter(targetTeam::isSameTeam).collect(Collectors.toList());
 
-        if (teamIndex == -1) {
+        if (filteredListWithTargetTeam.size() == 0) {
             throw new CommandException(MESSAGE_TEAM_NOT_EXISTS);
         }
+        assert filteredListWithTargetTeam.size() == 1;
+        Team targetTeamInTeamList = filteredListWithTargetTeam.get(0);
 
-        if (currentTeam.equals(targetTeam)) {
+        if (currentTeam.equals(targetTeamInTeamList)) {
             throw new CommandException(MESSAGE_TEAM_ALREADY_SET);
         }
-        Team existingTeam = teamList.get(teamIndex);
-        model.setTeam(existingTeam);
+
+        model.setTeam(targetTeamInTeamList);
         model.updateFilteredMembersList(PREDICATE_SHOW_ALL_PERSONS);
         model.updateFilteredTaskList(PREDICATE_SHOW_ALL_TASKS);
-        return new CommandResult(String.format(MESSAGE_SET_TEAM_SUCCESS, targetTeam));
+        return new CommandResult(String.format(MESSAGE_SET_TEAM_SUCCESS, targetTeamInTeamList));
     }
 
     @Override

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

@@ -14,7 +14,9 @@
 import seedu.address.model.person.Email;
 import seedu.address.model.person.Name;
 import seedu.address.model.person.Phone;
+import seedu.address.model.team.Description;
 import seedu.address.model.team.Task;
+import seedu.address.model.team.TeamName;
 import seedu.address.model.team.Url;
 
 /**
@@ -29,6 +31,8 @@ public class AddressBookParser {
             .registerConverter(Index.class, new IndexConverter())
             .registerConverter(Url.class, new UrlConverter())
             .registerConverter(Task.class, new TaskConverter())
+            .registerConverter(TeamName.class, new TeamNameConverter())
+            .registerConverter(Description.class, new DescriptionConverter())
             .registerConverter(Order.class, new OrderConverter());
     /**
      * Parses user input into command for execution.

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

@@ -0,0 +1,19 @@
+package seedu.address.logic.parser;
+
+import picocli.CommandLine;
+import seedu.address.logic.parser.exceptions.ParseException;
+import seedu.address.model.team.Description;
+
+/**
+ * Converter from {@code String} to {@code Description}
+ */
+public class DescriptionConverter implements CommandLine.ITypeConverter<Description> {
+    @Override
+    public Description convert(String value) throws Exception {
+        try {
+            return ParserUtil.parseDescription(value);
+        } catch (ParseException e) {
+            throw new CommandLine.TypeConversionException(e.getMessage());
+        }
+    }
+}

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

@@ -17,6 +17,8 @@
 import seedu.address.model.person.Name;
 import seedu.address.model.person.Phone;
 import seedu.address.model.tag.Tag;
+import seedu.address.model.team.Description;
+import seedu.address.model.team.TeamName;
 import seedu.address.model.team.Url;
 
 /**
@@ -160,6 +162,36 @@ public static LocalDateTime parseLocalDateTime(String datetime) throws ParseExce
         }
     }
 
+    /**
+     * Parses a {@code String name} into a {@code TeamName}.
+     * Leading and trailing whitespaces will be trimmed.
+     *
+     * @throws ParseException if the given {@code teamName} is invalid.
+     */
+    public static TeamName parseTeamName(String teamName) throws ParseException {
+        requireNonNull(teamName);
+        String trimmedName = teamName.trim();
+        if (!TeamName.isValidTeamName(trimmedName)) {
+            throw new ParseException(TeamName.MESSAGE_CONSTRAINTS);
+        }
+        return new TeamName(trimmedName);
+    }
+
+    /**
+     * Parses a {@code String name} into a {@code Description}.
+     * Leading and trailing whitespaces will be trimmed.
+     *
+     * @throws ParseException if the given {@code description} is invalid.
+     */
+    public static Description parseDescription(String description) throws ParseException {
+        requireNonNull(description);
+        String trimmedName = description.trim();
+        if (!Description.isValidTeamDescription(trimmedName)) {
+            throw new ParseException(Description.MESSAGE_CONSTRAINTS);
+        }
+        return new Description(trimmedName);
+    }
+
     /**
      * Parses {@code String order} into a {@code Order}
      */

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

@@ -0,0 +1,19 @@
+package seedu.address.logic.parser;
+
+import picocli.CommandLine;
+import seedu.address.logic.parser.exceptions.ParseException;
+import seedu.address.model.team.TeamName;
+
+/**
+ * Converter from {@code String} to {@code TeamName}
+ */
+public class TeamNameConverter implements CommandLine.ITypeConverter<TeamName> {
+    @Override
+    public TeamName convert(String value) throws Exception {
+        try {
+            return ParserUtil.parseTeamName(value);
+        } catch (ParseException e) {
+            throw new CommandLine.TypeConversionException(e.getMessage());
+        }
+    }
+}

src/main/java/seedu/address/model/team/Description.java

@@ -0,0 +1,56 @@
+package seedu.address.model.team;
+
+import static java.util.Objects.requireNonNull;
+import static seedu.address.commons.util.AppUtil.checkArgument;
+
+/**
+ * Represents a Team's description in the addressbook
+ * Guarantees: immutable; is valid as declared in {@link #isValidTeamDescription(String)}
+ */
+public class Description {
+
+    public static final String MESSAGE_CONSTRAINTS =
+            "Team description should only contain alphanumeric characters and spaces, and it should not be blank";
+
+    public static final String VALIDATION_REGEX = "[\\p{Alnum}][\\p{Alnum} ]*";
+    public static final String NO_DESCRIPTION_STRING = "No description added";
+    public static final Description NO_DESCRIPTION = new Description(NO_DESCRIPTION_STRING);
+    public static final Description DEFAULT_DESCRIPTION = new Description("A default team created just for you");
+    public final String description;
+
+    /**
+     * Constructs a {@code Description}
+     *
+     * @param description A valid description.
+     */
+    public Description(String description) {
+        requireNonNull(description);
+        checkArgument(isValidTeamDescription(description), MESSAGE_CONSTRAINTS);
+        this.description = description;
+    }
+
+    /**
+     * Returns true if a given string is a valid description.
+     */
+    public static boolean isValidTeamDescription(String test) {
+        return test.matches(VALIDATION_REGEX);
+    }
+
+    @Override
+    public String toString() {
+        return description;
+    }
+
+    @Override
+    public boolean equals(Object other) {
+        return other == this // short circuit if same object
+                || (other instanceof Description // instanceof handles nulls
+                && description.equals(((Description) other).description)); // state check
+    }
+
+    @Override
+    public int hashCode() {
+        return description.hashCode();
+    }
+
+}