From 1f9ddbe883489c137b3a76cd3cb0f22e98f59588 Mon Sep 17 00:00:00 2001
From: 1billy17 <minipor00@gmail.com>
Date: Mon, 9 Jun 2025 18:06:54 +0300
Subject: [PATCH] sneakers routes

---
 .idea/gradle.xml                              |  1 +
 src/main/kotlin/Application.kt                |  2 +
 src/main/kotlin/auth/SneakerRoutes.kt         | 96 +++++++++++++++++++
 src/main/kotlin/data/DataRepository.kt        | 58 +++++++++++
 src/main/kotlin/data/Models/CartItem.kt       |  9 ++
 src/main/kotlin/data/Models/Sneaker.kt        | 13 +++
 src/main/kotlin/data/Models/UserData.kt       | 10 ++
 .../kotlin/dto/requests/AddToCartRequest.kt   |  9 ++
 src/main/kotlin/dto/responses/CartResponse.kt | 11 +++
 .../kotlin/dto/responses/FavoritesResponse.kt | 10 ++
 .../kotlin/dto/responses/OperationResponse.kt |  9 ++
 .../kotlin/dto/responses/SneakerResponse.kt   |  9 ++
 12 files changed, 237 insertions(+)
 create mode 100644 src/main/kotlin/auth/SneakerRoutes.kt
 create mode 100644 src/main/kotlin/data/Models/CartItem.kt
 create mode 100644 src/main/kotlin/data/Models/Sneaker.kt
 create mode 100644 src/main/kotlin/data/Models/UserData.kt
 create mode 100644 src/main/kotlin/dto/requests/AddToCartRequest.kt
 create mode 100644 src/main/kotlin/dto/responses/CartResponse.kt
 create mode 100644 src/main/kotlin/dto/responses/FavoritesResponse.kt
 create mode 100644 src/main/kotlin/dto/responses/OperationResponse.kt
 create mode 100644 src/main/kotlin/dto/responses/SneakerResponse.kt

diff --git a/.idea/gradle.xml b/.idea/gradle.xml
index 14746e7..2a65317 100644
--- a/.idea/gradle.xml
+++ b/.idea/gradle.xml
@@ -1,5 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
+  <component name="GradleMigrationSettings" migrationVersion="1" />
   <component name="GradleSettings">
     <option name="linkedExternalProjectsSettings">
       <GradleProjectSettings>
diff --git a/src/main/kotlin/Application.kt b/src/main/kotlin/Application.kt
index dd6ba14..8559918 100644
--- a/src/main/kotlin/Application.kt
+++ b/src/main/kotlin/Application.kt
@@ -6,6 +6,7 @@ import io.ktor.server.netty.Netty
 import io.ktor.server.routing.route
 import org.example.auth.authRoutes
 import io.ktor.server.routing.routing
+import org.example.auth.sneakerRoutes
 
 fun main() {
     embeddedServer(Netty, port = 8080, host = "localhost") {
@@ -19,6 +20,7 @@ fun Application.configureRouting() {
     routing {
         route("/api") {
             authRoutes()
+            sneakerRoutes()
         }
     }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/auth/SneakerRoutes.kt b/src/main/kotlin/auth/SneakerRoutes.kt
new file mode 100644
index 0000000..1a4e033
--- /dev/null
+++ b/src/main/kotlin/auth/SneakerRoutes.kt
@@ -0,0 +1,96 @@
+package org.example.auth
+
+import io.ktor.server.routing.Route
+import io.ktor.server.routing.route
+import org.example.data.DataRepository
+import io.ktor.server.application.*
+import io.ktor.server.auth.authenticate
+import io.ktor.server.auth.jwt.JWTPrincipal
+import io.ktor.server.auth.principal
+import io.ktor.server.request.*
+import io.ktor.server.response.*
+import io.ktor.server.routing.*
+import org.example.dto.requests.AddToCartRequest
+import org.example.dto.responses.CartResponse
+import org.example.dto.responses.FavoritesResponse
+import org.example.dto.responses.OperationResponse
+import org.example.dto.responses.SneakerResponse
+
+fun Route.sneakerRoutes() {
+    route("/sneakers") {
+        get {
+            val sneakers = DataRepository.getAllSneakers()
+            call.respond(SneakerResponse(sneakers))
+        }
+
+        authenticate {
+            route("/favorites") {
+                get {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+
+                    val favoriteIds = DataRepository.getFavorites(userId)
+                    val sneakers = favoriteIds.mapNotNull { DataRepository.getSneakerById(it) }
+
+                    call.respond(FavoritesResponse(favoriteIds, sneakers))
+                }
+
+                post {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+                    val sneakerId = call.request.queryParameters["sneakerId"]?.toIntOrNull()
+                        ?: throw IllegalArgumentException("Missing sneakerId")
+
+                    val success = DataRepository.addToFavorites(userId, sneakerId)
+                    call.respond(
+                        OperationResponse(
+                            success,
+                            if (success) "Added to favorites" else "Failed to add to favorites"
+                        )
+                    )
+                }
+
+                delete {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+                    val sneakerId = call.request.queryParameters["sneakerId"]?.toIntOrNull()
+                        ?: throw IllegalArgumentException("Missing sneakerId")
+
+                    val success = DataRepository.removeFromFavorites(userId, sneakerId)
+                    call.respond(OperationResponse(success, if (success) "Removed from favorites" else "Failed to remove from favorites"))
+                }
+            }
+
+            route("/cart") {
+                get {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+
+                    val cartItems = DataRepository.getCart(userId)
+                    val sneakers = cartItems.mapNotNull { DataRepository.getSneakerById(it.sneakerId) }
+
+                    call.respond(CartResponse(cartItems, sneakers))
+                }
+
+                post {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+                    val request = call.receive<AddToCartRequest>()
+
+                    val success = DataRepository.addToCart(userId, request.sneakerId, request.quantity)
+                    call.respond(OperationResponse(success, if (success) "Added to cart" else "Failed to add to cart"))
+                }
+
+                delete {
+                    val userId = call.principal<JWTPrincipal>()?.payload?.getClaim("userId")?.asInt()
+                        ?: throw IllegalArgumentException("Invalid user")
+                    val sneakerId = call.request.queryParameters["sneakerId"]?.toIntOrNull()
+                        ?: throw IllegalArgumentException("Missing sneakerId")
+
+                    val success = DataRepository.removeFromCart(userId, sneakerId)
+                    call.respond(OperationResponse(success, if (success) "Removed from cart" else "Failed to remove from cart"))
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/data/DataRepository.kt b/src/main/kotlin/data/DataRepository.kt
index 87f32ce..0b8ca75 100644
--- a/src/main/kotlin/data/DataRepository.kt
+++ b/src/main/kotlin/data/DataRepository.kt
@@ -1,8 +1,11 @@
 package org.example.data
 
+import org.example.data.Models.CartItem
+import org.example.data.Models.Sneaker
 import org.example.dto.requests.SignInRequest
 import org.example.dto.requests.SignUpRequest
 import org.example.data.Models.User
+import org.example.data.Models.UserData
 import java.util.concurrent.atomic.AtomicInteger
 
 object DataRepository {
@@ -10,6 +13,16 @@ object DataRepository {
     private val idCounter = AtomicInteger(1)
     private val passwordResetCodes = mutableMapOf<String, String>()
 
+    private val sneakers = mutableListOf(
+        Sneaker(1, "Nike Air Max", 179.39, "Nike", "outdoor", "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSycZAb9c3gwov211CDjqS4n-RHt_4kAqDezw&s"),
+        Sneaker(2, "Adidas Ultraboost", 169.39, "Adidas", "outdoor", "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSycZAb9c3gwov211CDjqS4n-RHt_4kAqDezw&s"),
+        Sneaker(3, "Puma RS-X", 159.39, "Puma", "tennis", "https://encrypted-tbn0.gstatic.com/images?q=tbn:ANd9GcSycZAb9c3gwov211CDjqS4n-RHt_4kAqDezw&s")
+    )
+
+    private val userData = mutableMapOf<Int, UserData>()
+
+    // ауф
+
     fun createUser(request: SignUpRequest): User {
         val user = User(
             id = idCounter.getAndIncrement(),
@@ -60,4 +73,49 @@ object DataRepository {
             )
         )
     }
+
+    // кросовка
+
+    fun getAllSneakers(): List<Sneaker> = sneakers.toList()
+
+    fun getSneakerById(id: Int): Sneaker? = sneakers.find { it.id == id }
+
+    fun addToFavorites(userId: Int, sneakerId: Int): Boolean {
+        val sneaker = getSneakerById(sneakerId) ?: return false
+        val data = userData.getOrPut(userId) { UserData(userId) }
+        if (!data.favoriteSneakers.contains(sneakerId)) {
+            data.favoriteSneakers.add(sneakerId)
+            return true
+        }
+        return false
+    }
+
+    fun removeFromFavorites(userId: Int, sneakerId: Int): Boolean {
+        return userData[userId]?.favoriteSneakers?.remove(sneakerId) ?: false
+    }
+
+    fun addToCart(userId: Int, sneakerId: Int, quantity: Int = 1): Boolean {
+        val sneaker = getSneakerById(sneakerId) ?: return false
+        val data = userData.getOrPut(userId) { UserData(userId) }
+        val existingItem = data.cartItems.find { it.sneakerId == sneakerId }
+
+        if (existingItem != null) {
+            existingItem.quantity += quantity
+        } else {
+            data.cartItems.add(CartItem(sneakerId, quantity))
+        }
+        return true
+    }
+
+    fun removeFromCart(userId: Int, sneakerId: Int): Boolean {
+        return userData[userId]?.cartItems?.removeIf { it.sneakerId == sneakerId } ?: false
+    }
+
+    fun getCart(userId: Int): List<CartItem> {
+        return userData[userId]?.cartItems?.toList() ?: emptyList()
+    }
+
+    fun getFavorites(userId: Int): List<Int> {
+        return userData[userId]?.favoriteSneakers?.toList() ?: emptyList()
+    }
 }
\ No newline at end of file
diff --git a/src/main/kotlin/data/Models/CartItem.kt b/src/main/kotlin/data/Models/CartItem.kt
new file mode 100644
index 0000000..1341a75
--- /dev/null
+++ b/src/main/kotlin/data/Models/CartItem.kt
@@ -0,0 +1,9 @@
+package org.example.data.Models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class CartItem(
+    val sneakerId: Int,
+    var quantity: Int
+)
\ No newline at end of file
diff --git a/src/main/kotlin/data/Models/Sneaker.kt b/src/main/kotlin/data/Models/Sneaker.kt
new file mode 100644
index 0000000..581d469
--- /dev/null
+++ b/src/main/kotlin/data/Models/Sneaker.kt
@@ -0,0 +1,13 @@
+package org.example.data.Models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class Sneaker(
+    val id: Int,
+    val name: String,
+    val price: Double,
+    val brand: String,
+    val category: String,
+    val imageUrl: String
+)
\ No newline at end of file
diff --git a/src/main/kotlin/data/Models/UserData.kt b/src/main/kotlin/data/Models/UserData.kt
new file mode 100644
index 0000000..9f86ccd
--- /dev/null
+++ b/src/main/kotlin/data/Models/UserData.kt
@@ -0,0 +1,10 @@
+package org.example.data.Models
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class UserData(
+    val userId: Int,
+    val favoriteSneakers: MutableList<Int> = mutableListOf(),
+    val cartItems: MutableList<CartItem> = mutableListOf()
+)
\ No newline at end of file
diff --git a/src/main/kotlin/dto/requests/AddToCartRequest.kt b/src/main/kotlin/dto/requests/AddToCartRequest.kt
new file mode 100644
index 0000000..29f5ab2
--- /dev/null
+++ b/src/main/kotlin/dto/requests/AddToCartRequest.kt
@@ -0,0 +1,9 @@
+package org.example.dto.requests
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class AddToCartRequest(
+    val sneakerId: Int,
+    val quantity: Int = 1
+)
\ No newline at end of file
diff --git a/src/main/kotlin/dto/responses/CartResponse.kt b/src/main/kotlin/dto/responses/CartResponse.kt
new file mode 100644
index 0000000..9a91f02
--- /dev/null
+++ b/src/main/kotlin/dto/responses/CartResponse.kt
@@ -0,0 +1,11 @@
+package org.example.dto.responses
+
+import kotlinx.serialization.Serializable
+import org.example.data.Models.CartItem
+import org.example.data.Models.Sneaker
+
+@Serializable
+data class CartResponse(
+    val items: List<CartItem>,
+    val sneakers: List<Sneaker>
+)
\ No newline at end of file
diff --git a/src/main/kotlin/dto/responses/FavoritesResponse.kt b/src/main/kotlin/dto/responses/FavoritesResponse.kt
new file mode 100644
index 0000000..cffad98
--- /dev/null
+++ b/src/main/kotlin/dto/responses/FavoritesResponse.kt
@@ -0,0 +1,10 @@
+package org.example.dto.responses
+
+import kotlinx.serialization.Serializable
+import org.example.data.Models.Sneaker
+
+@Serializable
+data class FavoritesResponse(
+    val sneakerIds: List<Int>,
+    val sneakers: List<Sneaker>
+)
\ No newline at end of file
diff --git a/src/main/kotlin/dto/responses/OperationResponse.kt b/src/main/kotlin/dto/responses/OperationResponse.kt
new file mode 100644
index 0000000..bcdcc7c
--- /dev/null
+++ b/src/main/kotlin/dto/responses/OperationResponse.kt
@@ -0,0 +1,9 @@
+package org.example.dto.responses
+
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class OperationResponse(
+    val success: Boolean,
+    val message: String? = null
+)
\ No newline at end of file
diff --git a/src/main/kotlin/dto/responses/SneakerResponse.kt b/src/main/kotlin/dto/responses/SneakerResponse.kt
new file mode 100644
index 0000000..5065fd3
--- /dev/null
+++ b/src/main/kotlin/dto/responses/SneakerResponse.kt
@@ -0,0 +1,9 @@
+package org.example.dto.responses
+
+import kotlinx.serialization.Serializable
+import org.example.data.Models.Sneaker
+
+@Serializable
+data class SneakerResponse(
+    val sneakers: List<Sneaker>
+)
\ No newline at end of file