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homeworkKotlinSprint7 #223

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70 changes: 70 additions & 0 deletions src/main/kotlin/Archive.kt
Original file line number Diff line number Diff line change
@@ -0,0 +1,70 @@
import java.util.Scanner

class Archive(val name: String) {
private val notes = mutableListOf<Note>()

fun viewNotes(scanner: Scanner) {
while (true) {
println("Выберите действие:")
println("0. Вернуться")
println("1. Добавить заметку")
println("2. Просмотреть заметки")
when (scanner.nextLine().trim()) {
"0" -> return
"1" -> addNote(scanner)
"2" -> listNotes(scanner)
else -> println("Неверный ввод, попробуйте снова.")
}
}
}

private fun addNote(scanner: Scanner) {
println("Введите заголовок заметки (или введите '0' для отмены):")
val title = scanner.nextLine().trim()
if (title == "0") {
return
}
if (title.isEmpty()) {
println("Заголовок заметки не может быть пустым.")
return
}
println("Введите содержание заметки (или введите '0' для отмены):")
val content = scanner.nextLine().trim()
if (content == "0") {
return
}
if (content.isEmpty()) {
println("Содержание заметки не может быть пустым.")
return
}
notes.add(Note(title, content))
println("Заметка добавлена.")
}

private fun listNotes(scanner: Scanner) {
if (notes.isEmpty()) {
println("Нет доступных заметок.")
return
}
println("Выберите заметку для открытия или введите '0' для возврата:")
println("0. Вернуться")
for ((index, note) in notes.withIndex()) {
println("${index + 1}. ${note.title}")
}
val input = scanner.nextLine().trim().toIntOrNull()
if (input == null || input !in 0..notes.size) {
println("Неверный ввод, попробуйте снова.")
listNotes(scanner)
} else if (input == 0) {
return
} else {
openNote(input - 1)
}
}

private fun openNote(index: Int) {
val note = notes[index]
println("Заголовок: ${note.title}")
println("Содержание: ${note.content}")
}
}
5 changes: 3 additions & 2 deletions src/main/kotlin/Main.kt
Original file line number Diff line number Diff line change
@@ -1,3 +1,4 @@
fun main(args: Array<String>) {
println("Hello World!")
fun main() {
val app = NoteApp()
app.start()
}
1 change: 1 addition & 0 deletions src/main/kotlin/Note.kt
Original file line number Diff line number Diff line change
@@ -0,0 +1 @@
data class Note(val title: String, val content: String)
60 changes: 60 additions & 0 deletions src/main/kotlin/NoteApp.kt
Original file line number Diff line number Diff line change
@@ -0,0 +1,60 @@
import java.util.Scanner

class NoteApp {
private val archives = mutableListOf<Archive>()
private val scanner = Scanner(System.`in`)

fun start() {
while (true) {
println("Выберите действие:")
println("0. Выйти")
println("1. Создать архив")
println("2. Просмотреть архивы")
when (readUserInput()) {
"0" -> return
"1" -> createArchive()
"2" -> viewArchives()
else -> println("Неверный ввод, попробуйте снова.")
}
}
}

private fun createArchive() {
println("Введите имя архива (или введите '0' для отмены):")
val name = scanner.nextLine().trim()
if (name == "0") {
return
}
if (name.isEmpty()) {
println("Имя архива не может быть пустым.")
return
}
archives.add(Archive(name))
println("Архив '$name' создан.")
}

private fun viewArchives() {
if (archives.isEmpty()) {
println("Нет доступных архивов.")
return
}
println("Выберите архив:")
println("0. Вернуться")
for ((index, archive) in archives.withIndex()) {
println("${index + 1}. ${archive.name}")
}
val archiveIndex = readUserInput().toIntOrNull()
if (archiveIndex == null || archiveIndex !in 0..archives.size) {
println("Неверный ввод, попробуйте снова.")
return
}
if (archiveIndex == 0) {
return
}
archives[archiveIndex - 1].viewNotes(scanner)
}

private fun readUserInput(): String {
return scanner.nextLine().trim()
}
}