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Add likes from Bogushev #7247

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63027d7
add likes
Laslo76 Jun 1, 2026
d265306
fixed some bugs
Laslo76 Jun 1, 2026
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2 changes: 1 addition & 1 deletion 02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepository.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import ru.netology.nmedia.dto.Post

interface PostRepository {
fun getAll(): List<Post>
fun likeById(id: Long)
fun likeById(id: Long, isLike: Boolean)
fun save(post: Post)
fun removeById(id: Long)
}
20 changes: 18 additions & 2 deletions 02_threads/android/app/src/main/java/ru/netology/nmedia/repository/PostRepositoryImpl.kt
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@ package ru.netology.nmedia.repository

import com.google.gson.Gson
import com.google.gson.reflect.TypeToken
import okhttp3.FormBody
import okhttp3.MediaType.Companion.toMediaType
import okhttp3.OkHttpClient
import okhttp3.Request
Expand Down Expand Up @@ -35,8 +36,23 @@ class PostRepositoryImpl: PostRepository {
}
}

override fun likeById(id: Long) {
// TODO: do this in homework
override fun likeById(id: Long, isLike: Boolean) {
var request: Request
if (isLike) {
request = Request.Builder()
.delete(FormBody.Builder().build())
.url("${BASE_URL}/api/slow/posts/${id}/likes")
.build()
} else {
request = Request.Builder()
.post(FormBody.Builder().build())
.url("${BASE_URL}/api/slow/posts/${id}/likes")
.build()
}

client.newCall(request)
.execute()
.close()
}

override fun save(post: Post) {
Expand Down
24 changes: 23 additions & 1 deletion 02_threads/android/app/src/main/java/ru/netology/nmedia/viewmodel/PostViewModel.kt
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Expand Up @@ -71,7 +71,29 @@ class PostViewModel(application: Application) : AndroidViewModel(application) {
}

fun likeById(id: Long) {
thread { repository.likeById(id) }

val currentState = _data.value
val currentPosts = currentState?.posts.orEmpty().toMutableList()

val index = currentPosts.indexOfFirst { it.id == id }

val oldPost = currentPosts[index]
val newPost = oldPost.copy(
likedByMe = !oldPost.likedByMe,
likes = if (oldPost.likedByMe) oldPost.likes - 1 else oldPost.likes + 1
)

currentPosts[index] = newPost
_data.postValue(currentState?.copy(posts = currentPosts))

// Отправляем запрос на сервер (оптимистично считаем, что он пройдет успешно)
try {
thread { repository.likeById(id, oldPost.likedByMe) }
// Если запрос успешен, интерфейс уже обновлен, ничего делать не нужно.
} catch (e: IOException) {
currentPosts[index] = oldPost // Возвращаем старый пост
_data.postValue(currentState?.copy(posts = currentPosts))
}
}

fun removeById(id: Long) {
Expand Down
12 changes: 12 additions & 0 deletions 02_threads/android/gradle/gradle-daemon-jvm.properties
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@@ -0,0 +1,12 @@
#This file is generated by updateDaemonJvm
toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73bcfb608d1fde9fb62e462f834a3299/redirect
toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/846ee0d876d26a26f37aa1ce8de73224/redirect
toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/9482ddec596298c84656d31d16652665/redirect
toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/39701d92e1756bb2f141eb67cd4c660e/redirect
toolchainVersion=21
12 changes: 12 additions & 0 deletions 02_threads/server/gradle/gradle-daemon-jvm.properties
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Original file line number Diff line number Diff line change
@@ -0,0 +1,12 @@
#This file is generated by updateDaemonJvm
toolchainUrl.FREE_BSD.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.FREE_BSD.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.LINUX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.LINUX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.MAC_OS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/73bcfb608d1fde9fb62e462f834a3299/redirect
toolchainUrl.MAC_OS.X86_64=https\://api.foojay.io/disco/v3.0/ids/846ee0d876d26a26f37aa1ce8de73224/redirect
toolchainUrl.UNIX.AARCH64=https\://api.foojay.io/disco/v3.0/ids/ec7520a1e057cd116f9544c42142a16b/redirect
toolchainUrl.UNIX.X86_64=https\://api.foojay.io/disco/v3.0/ids/4c4f879899012ff0a8b2e2117df03b0e/redirect
toolchainUrl.WINDOWS.AARCH64=https\://api.foojay.io/disco/v3.0/ids/9482ddec596298c84656d31d16652665/redirect
toolchainUrl.WINDOWS.X86_64=https\://api.foojay.io/disco/v3.0/ids/39701d92e1756bb2f141eb67cd4c660e/redirect
toolchainVersion=21