refactor: Kotlin 重写

app/src/main/java/com/huanchengfly/tieba/post/api/models/SearchThreadBean.kt

@@ -2,47 +2,43 @@ package com.huanchengfly.tieba.post.api.models
 
 import com.google.gson.annotations.SerializedName
 
-class SearchThreadBean {
+data class SearchThreadBean(
     @SerializedName("no")
-    val errorCode: Int? = null
-
+    val errorCode: Int,
     @SerializedName("error")
-    val errorMsg: String? = null
+    val errorMsg: String,
     val data: DataBean? = null
-
-    class DataBean {
+) {
+    data class DataBean(
         @SerializedName("has_more")
-        val hasMore: Int? = null
-
+        val hasMore: Int? = null,
         @SerializedName("current_page")
-        val currentPage: Int? = null
-
+        val currentPage: Int? = null,
         @SerializedName("post_list")
         val postList: List<ThreadInfoBean>? = null
-    }
+    )
 
-    class ThreadInfoBean {
-        val tid: String? = null
-        val pid: String? = null
-        val title: String? = null
-        val content: String? = null
-        val time: String? = null
+    data class ThreadInfoBean(
+        val tid: String? = null,
+        val pid: String? = null,
+        val title: String? = null,
+        val content: String? = null,
+        val time: String? = null,
 
         @SerializedName("post_num")
-        val postNum: String? = null
+        val postNum: String? = null,
 
         @SerializedName("forum_name")
-        val forumName: String? = null
-        val user: UserInfoBean? = null
+        val forumName: String? = null,
+        val user: UserInfoBean? = null,
         val type: Int? = null
-    }
+    )
 
-    class UserInfoBean {
+    data class UserInfoBean(
         @SerializedName("user_name")
-        val userName: String? = null
-
+        val userName: String? = null,
         @SerializedName("user_id")
-        val userId: String? = null
+        val userId: String? = null,
         val portrait: String? = null
-    }
+    )
 }

app/src/main/java/com/huanchengfly/tieba/post/api/retrofit/interceptors/FailureResponseInterceptor.kt

@@ -26,21 +26,17 @@ object FailureResponseInterceptor : Interceptor {
             it.request(Long.MAX_VALUE)
         }.buffer.clone().inputStream().reader(charset)
 
-        val jsonObject = try {
-            gson.fromJson<CommonResponse>(
-                gson.newJsonReader(inputStreamReader),
-                CommonResponse::class.java
-            )
-        } catch (exception: Exception) {
-            //如果返回内容解析失败, 说明它不是一个合法的 json
-            //如果在拦截器抛出 MalformedJsonException 会导致 Retrofit 的异步请求一直卡着直到超时
-            return response
-        } finally {
-            inputStreamReader.close()
-        }
+        val commonResponse = inputStreamReader.use {
+            runCatching {
+                gson.fromJson<CommonResponse>(
+                    gson.newJsonReader(inputStreamReader),
+                    CommonResponse::class.java
+                )
+            }.getOrNull()
+        } ?: return response
 
-        if (jsonObject?.errorCode != null && jsonObject.errorCode != 0) {
-            throw TiebaApiException(jsonObject)
+        if (commonResponse.errorCode != null && commonResponse.errorCode != 0) {
+            throw TiebaApiException(commonResponse)
         }
         return response
     }

app/src/main/java/com/huanchengfly/tieba/post/ui/page/photoview/PhotoViewActivity.kt

@@ -23,7 +23,6 @@ import androidx.compose.material.icons.rounded.Download
 import androidx.compose.material.icons.rounded.Share
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.derivedStateOf
 import androidx.compose.runtime.getValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.remember
@@ -164,9 +163,7 @@ class PhotoViewActivity : BaseComposeActivityWithParcelable<PhotoViewData>() {
             prop1 = PhotoViewUiState::hasNext,
             initial = false
         )
-        val pageCount by derivedStateOf {
-            items.size
-        }
+        val pageCount = items.size
         Surface(color = Color.Black) {
             if (items.isNotEmpty()) {
                 val coroutineScope = rememberCoroutineScope()