convert from C to Kotlin

2026-08-13 15:33:39 +02:00
parent 651ff4694a
commit 946a37be1d
14 changed files with 242 additions and 0 deletions
@@ -0,0 +1,69 @@
+/**
+ * TICKETS
+ *
+ * a Linux cli for the mini ticket system written in C
+ * features:
+ * - create a ticket
+ *   `tickets create <title> <description>`
+ * - list all tickets (or filter by status)
+ *   `tickets list --status=(open|in_progress|closed)`
+ * - detail of one ticket
+ *   `tickets detail <id>`
+ */
+
+fun showUsage() {
+    println("usage:\n" +
+          "  tickets create <title> <description>\n" +
+          "  tickets list --status (open|in_progress|closed)\n" +
+          "  tickets detail <id>\n")
+}
+
+fun parseCreate(title: String, description: String) {
+    println("CREATE: creating a ticket with\n" +
+            "title='$title'\n" +
+            "description='$description'")
+}
+
+fun parseList(status: String) {
+    println("LIST: listing items with status '$status'")
+}
+
+fun parseDetail(id: Int) {
+    println("ID: the id i got is $id\ngoodbye!")
+}
+
+fun main(args: Array<String>) {
+    // only program name
+    if (args.isEmpty()) {
+        showUsage()
+        return
+    } // args.size > 1
+
+    // status filter or no filter
+    if (args[0] == "list") {
+        if (args.size >= 3 && args[1] == "--status") {
+            parseList(args[2])
+        } else {
+            parseList("")
+        }
+        return
+    }
+
+    if (args.size >= 2 && args[0] == "detail") {
+        val id = args[1].toIntOrNull()
+        if (id == null) {
+            showUsage()
+            return
+        } else {
+            parseDetail(id)
+        }
+        return
+    }
+
+    if (args.size >= 3 && args[0] == "create") {
+        parseCreate(args[1], args[2])
+    } else {
+        showUsage()
+        return
+    }
+}