更新

app/src/main/java/com/aiosman/riderpro/data/UserService.kt

@@ -1,17 +1,53 @@
 package com.aiosman.riderpro.data
 
+import androidx.paging.PagingSource
+import androidx.paging.PagingState
 import com.aiosman.riderpro.data.api.ApiClient
+import com.aiosman.riderpro.model.MomentEntity
 import com.aiosman.riderpro.test.TestDatabase
+import java.io.IOException
 
 data class UserAuth(
     val id: Int,
     val token: String? = null
 )
 
+class AccountPagingSource(
+    private val userService: UserService,
+    private val nickname: String? = null
+) : PagingSource<Int, AccountProfileEntity>() {
+    override suspend fun load(params: LoadParams<Int>): LoadResult<Int, AccountProfileEntity> {
+        return try {
+            val currentPage = params.key ?: 1
+            val users = userService.getUsers(
+                page = currentPage,
+                nickname = nickname
+            )
+            LoadResult.Page(
+                data = users.list,
+                prevKey = if (currentPage == 1) null else currentPage - 1,
+                nextKey = if (users.list.isEmpty()) null else users.page + 1
+            )
+        } catch (exception: IOException) {
+            return LoadResult.Error(exception)
+        }
+    }
+
+    override fun getRefreshKey(state: PagingState<Int, AccountProfileEntity>): Int? {
+        return state.anchorPosition
+    }
+
+}
+
 interface UserService {
     suspend fun getUserProfile(id: String): AccountProfileEntity
     suspend fun followUser(id: String)
     suspend fun unFollowUser(id: String)
+    suspend fun getUsers(
+        pageSize: Int = 20,
+        page: Int = 1,
+        nickname: String? = null
+    ): ListContainer<AccountProfileEntity>
 
 }
 
@@ -31,4 +67,19 @@ class TestUserServiceImpl : UserService {
         val resp = ApiClient.api.unfollowUser(id.toInt())
         return
     }
+
+    override suspend fun getUsers(
+        pageSize: Int,
+        page: Int,
+        nickname: String?
+    ): ListContainer<AccountProfileEntity> {
+        val resp = ApiClient.api.getUsers(page, pageSize, nickname)
+        val body = resp.body() ?: throw ServiceException("Failed to get account")
+        return ListContainer<AccountProfileEntity>(
+            list = body.list.map { it.toAccountProfileEntity() },
+            page = body.page,
+            total = body.total,
+            pageSize = body.pageSize
+        )
+    }
 }