Initial commit

src/main/kotlin/Application.kt

@@ -0,0 +1,16 @@
+package com.example
+
+import io.ktor.serialization.kotlinx.json.json
+import io.ktor.server.application.*
+import io.ktor.server.plugins.contentnegotiation.ContentNegotiation
+
+fun main(args: Array<String>) {
+    io.ktor.server.netty.EngineMain.main(args)
+}
+
+fun Application.module() {
+    install(ContentNegotiation) {
+        json()
+    }
+    configureRouting()
+}

src/main/kotlin/Routing.kt

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+package com.example
+
+import com.example.dto.ErrorDto
+import com.example.dto.UserDto
+import com.example.dto.UserDto.BookingDto
+import io.ktor.http.HttpStatusCode
+import io.ktor.http.content.PartData
+import io.ktor.http.content.forEachPart
+import io.ktor.server.application.*
+import io.ktor.server.request.receiveMultipart
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+
+val booking = mutableListOf(
+    BookingDto(
+        room = "502.6",
+        time = "10:00 - 18:00"
+    ),
+    BookingDto(
+        room = "504.6",
+        time = "12:00 - 16:00"
+    ),
+)
+
+fun Application.configureRouting() {
+    routing {
+        get("/user") {
+            call.respond(UserDto(booking = booking))
+        }
+        post("/book") {
+            var room = ""
+            var time = ""
+            val multipartData = call.receiveMultipart()
+
+            multipartData.forEachPart { part ->
+                try {
+                    if (part !is PartData.FormItem) return@forEachPart
+                    when (part.name) {
+                        "room" -> {
+                            room = part.value.trim()
+                        }
+
+                        "time" -> {
+                            time = part.value.trim()
+                        }
+
+                        else -> Unit
+                    }
+                } finally {
+                    part.dispose()
+                }
+            }
+
+            if (room.isEmpty() && time.isEmpty()) {
+                call.respond(
+                    HttpStatusCode.BadRequest,
+                    ErrorDto(error = "Field is empty")
+                )
+            } else {
+                booking.add(BookingDto(room = room, time = time))
+                call.respond(HttpStatusCode.OK)
+            }
+        }
+    }
+}

src/main/kotlin/dto/ErrorDto.kt

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+package com.example.dto
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+class ErrorDto(
+    @SerialName("error")
+    val error: String,
+)

src/main/kotlin/dto/UserDto.kt

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+package com.example.dto
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UserDto(
+    @SerialName("name")
+    val name: String = "Administrator",
+    @SerialName("booking")
+    val booking: List<BookingDto>
+) {
+    @Serializable
+    data class BookingDto(
+        @SerialName("room")
+        val room: String,
+        @SerialName("time")
+        val time: String,
+    )
+}