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1 | 1 | package devin; |
2 | 2 |
|
3 | | -import java.util.Scanner; |
| 3 | +import java.io.IOException; |
4 | 4 | import java.nio.file.Path; |
5 | 5 | import java.nio.file.Paths; |
6 | 6 |
|
|
11 | 11 | import devin.task.TaskList; |
12 | 12 | import devin.ui.Ui; |
13 | 13 |
|
| 14 | +/** |
| 15 | + * Representation of Devin. |
| 16 | + */ |
14 | 17 | public class Devin { |
15 | 18 |
|
16 | | - public static Path filePath = Paths.get("src/main/java/data/devin.txt"); |
| 19 | + private static final Path FILEPATH = Paths.get("src/main/java/data/devin.txt"); |
17 | 20 | private static Storage storage; |
18 | 21 | private static TaskList list; |
19 | 22 |
|
| 23 | + /** |
| 24 | + * Type of task. |
| 25 | + */ |
20 | 26 | public enum Type { |
21 | 27 | todo, |
22 | 28 | deadline, |
23 | 29 | event |
24 | 30 | } |
25 | 31 |
|
26 | | - public static void main(String[] args) { |
27 | | - storage = new Storage(filePath); |
| 32 | + public static void main(String[] args) throws DevinException, IOException { |
| 33 | + storage = new Storage(FILEPATH); |
28 | 34 | list = new TaskList(storage.retrieveTasks()); |
29 | | - Scanner scan = new Scanner(System.in); |
30 | | - |
31 | | - Ui.printGreet(); |
32 | | - |
33 | | - while (true) { |
34 | | - String text = scan.nextLine(); |
35 | | - try { |
36 | | - String[] texts = Parser.parseCommand(text); |
37 | | - int index; |
38 | | - switch (texts[0]) { |
39 | | - case "bye": |
40 | | - Ui.printExit(); |
41 | | - return; |
42 | | - case "list": |
43 | | - list.listTasks(); |
44 | | - break; |
45 | | - case "mark": |
46 | | - if (list.tasks.isEmpty()) { |
47 | | - throw new DevinException("There is no task in the list!"); |
48 | | - } else if (texts.length != 2) { |
49 | | - throw new DevinException("Please choose a task number"); |
50 | | - } |
51 | | - index = Integer.parseInt((texts[1])) - 1; |
52 | | - if (index > list.tasks.size() + 1 || index < 0) { |
53 | | - throw new DevinException("Please choose a valid task number from 1 to " |
54 | | - + list.tasks.size()); |
55 | | - } |
56 | | - list.handleMark(index); |
57 | | - storage.editFile(list.tasks); |
58 | | - Ui.printMark(list.tasks.get(index).toString()); |
59 | | - break; |
60 | | - case "unmark": |
61 | | - if (list.tasks.isEmpty()) { |
62 | | - throw new DevinException("There is no task in the list!"); |
63 | | - } else if (texts.length != 2) { |
64 | | - throw new DevinException("Please type a choose a task number"); |
65 | | - } |
66 | | - index = Integer.parseInt((texts[1])) - 1; |
67 | | - if (index > list.tasks.size() + 1 || index < 0) { |
68 | | - throw new DevinException("Please choose a valid task number from 1 to " |
69 | | - + list.tasks.size()); |
70 | | - } |
71 | | - list.handleUnmark(index); |
72 | | - storage.editFile(list.tasks); |
73 | | - Ui.printUnmark(list.tasks.get(index).toString()); |
74 | | - break; |
75 | | - case "delete": |
76 | | - if (list.tasks.isEmpty()) { |
77 | | - throw new DevinException("There is no task in the list!"); |
78 | | - } else if (texts.length != 2) { |
79 | | - throw new DevinException("Please type a choose a task number"); |
80 | | - } |
81 | | - index = Integer.parseInt((texts[1])) - 1; |
82 | | - if (index > list.tasks.size() + 1 || index < 0) { |
83 | | - throw new DevinException("Please choose a valid task number from 1 to " |
84 | | - + list.tasks.size()); |
85 | | - } |
86 | | - Task temp = list.tasks.get(index); |
87 | | - list.deleteTask(index); |
88 | | - storage.editFile(list.tasks); |
89 | | - Ui.printDelete(temp.toString(), list.tasks.size()); |
90 | | - break; |
91 | | - case "todo": |
92 | | - texts[0] = ""; |
93 | | - list.addTask(Devin.Type.todo, String.join(" ", texts), storage); |
94 | | - Ui.printAdd(list.tasks.get(list.tasks.size() - 1).toString(), list.tasks.size()); |
95 | | - break; |
96 | | - case "deadline": |
97 | | - texts[0] = ""; |
98 | | - list.addTask(Devin.Type.deadline, String.join(" ", texts), storage); |
99 | | - Ui.printAdd(list.tasks.get(list.tasks.size() - 1).toString(), list.tasks.size()); |
100 | | - break; |
101 | | - case "event": |
102 | | - texts[0] = ""; |
103 | | - list.addTask(Devin.Type.event, String.join(" ", texts), storage); |
104 | | - Ui.printAdd(list.tasks.get(list.tasks.size() - 1).toString(), list.tasks.size()); |
105 | | - break; |
106 | | - case "find": |
107 | | - if (list.tasks.isEmpty()) { |
108 | | - throw new DevinException("There is no task in the list!"); |
109 | | - } else if (texts.length == 1) { |
110 | | - throw new DevinException("Please type in a keyword"); |
111 | | - } |
112 | | - texts[0] = ""; |
113 | | - list.findTask(String.join(" ", texts)); |
114 | | - break; |
115 | | - default: |
116 | | - throw new DevinException("Unknown command"); |
117 | | - //Fallthrough |
118 | | - } |
119 | | - } catch (DevinException e) { |
120 | | - System.out.println(e.getMessage()); |
| 35 | + } |
| 36 | + |
| 37 | + public String getResponse(String text) throws DevinException, IOException { |
| 38 | + String[] texts = Parser.parseCommand(text); |
| 39 | + int index; |
| 40 | + switch (texts[0]) { |
| 41 | + case "bye": |
| 42 | + return Ui.printExit(); |
| 43 | + case "list": |
| 44 | + return list.listTasks(); |
| 45 | + case "mark": |
| 46 | + if (list.getTasks().isEmpty()) { |
| 47 | + throw new DevinException("There is no task in the list!"); |
| 48 | + } else if (texts.length != 2) { |
| 49 | + throw new DevinException("Please choose a task number"); |
| 50 | + } |
| 51 | + index = Integer.parseInt((texts[1])) - 1; |
| 52 | + if (index > list.getTasks().size() + 1 || index < 0) { |
| 53 | + throw new DevinException("Please choose a valid task number from 1 to " |
| 54 | + + list.getTasks().size()); |
| 55 | + } |
| 56 | + list.handleMark(index); |
| 57 | + storage.editFile(list.getTasks()); |
| 58 | + return Ui.printMark(list.getTasks().get(index).toString()); |
| 59 | + case "unmark": |
| 60 | + if (list.getTasks().isEmpty()) { |
| 61 | + throw new DevinException("There is no task in the list!"); |
| 62 | + } else if (texts.length != 2) { |
| 63 | + throw new DevinException("Please type a choose a task number"); |
| 64 | + } |
| 65 | + index = Integer.parseInt((texts[1])) - 1; |
| 66 | + if (index > list.getTasks().size() + 1 || index < 0) { |
| 67 | + throw new DevinException("Please choose a valid task number from 1 to " |
| 68 | + + list.getTasks().size()); |
| 69 | + } |
| 70 | + list.handleUnmark(index); |
| 71 | + storage.editFile(list.getTasks()); |
| 72 | + return Ui.printUnmark(list.getTasks().get(index).toString()); |
| 73 | + case "delete": |
| 74 | + if (list.getTasks().isEmpty()) { |
| 75 | + throw new DevinException("There is no task in the list!"); |
| 76 | + } else if (texts.length != 2) { |
| 77 | + throw new DevinException("Please type a choose a task number"); |
| 78 | + } |
| 79 | + index = Integer.parseInt((texts[1])) - 1; |
| 80 | + if (index > list.getTasks().size() + 1 || index < 0) { |
| 81 | + throw new DevinException("Please choose a valid task number from 1 to " |
| 82 | + + list.getTasks().size()); |
| 83 | + } |
| 84 | + Task temp = list.getTasks().get(index); |
| 85 | + list.deleteTask(index); |
| 86 | + storage.editFile(list.getTasks()); |
| 87 | + return Ui.printDelete(temp.toString(), list.getTasks().size()); |
| 88 | + case "todo": |
| 89 | + texts[0] = ""; |
| 90 | + list.addTask(Devin.Type.todo, String.join(" ", texts), storage); |
| 91 | + return Ui.printAdd(list.getTasks().get(list.getTasks().size() - 1).toString(), list.getTasks().size()); |
| 92 | + case "deadline": |
| 93 | + texts[0] = ""; |
| 94 | + list.addTask(Devin.Type.deadline, String.join(" ", texts), storage); |
| 95 | + return Ui.printAdd(list.getTasks().get(list.getTasks().size() - 1).toString(), list.getTasks().size()); |
| 96 | + case "event": |
| 97 | + texts[0] = ""; |
| 98 | + list.addTask(Devin.Type.event, String.join(" ", texts), storage); |
| 99 | + return Ui.printAdd(list.getTasks().get(list.getTasks().size() - 1).toString(), list.getTasks().size()); |
| 100 | + case "find": |
| 101 | + if (list.getTasks().isEmpty()) { |
| 102 | + throw new DevinException("There is no task in the list!"); |
| 103 | + } else if (texts.length == 1) { |
| 104 | + throw new DevinException("Please type in a keyword"); |
121 | 105 | } |
| 106 | + texts[0] = ""; |
| 107 | + return list.findTask(String.join(" ", texts)); |
| 108 | + default: |
| 109 | + throw new DevinException("Unknown command"); |
122 | 110 | } |
123 | 111 | } |
124 | 112 |
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