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This commit is contained in:
AllenTom
2024-07-29 16:50:07 +08:00
parent d23c5f5c7e
commit 53c71973ae
11 changed files with 398 additions and 189 deletions
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21
app/src/main/java/com/aiosman/riderpro/data/AccountService.kt
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@@ -1,5 +1,7 @@
package com.aiosman.riderpro.data
import com.aiosman.riderpro.test.TestDatabase
data class AccountProfile(
val id: Int,
val followerCount: Int,
@@ -11,19 +13,16 @@ data class AccountProfile(
)
interface AccountService {
suspend fun getAccountProfile(): AccountProfile
suspend fun getMyAccountProfile(): AccountProfile
suspend fun getAccountProfileById(id: Int): AccountProfile
}
class TestAccountServiceImpl : AccountService {
override suspend fun getAccountProfile(): AccountProfile {
return AccountProfile(
id = 1,
followerCount = 100,
followingCount = 200,
nickName = "Aiosman",
avatar = "https://img.freepik.com/free-photo/white-billboard-template_23-2147726635.jpg?t=st=1722150015~exp=1722153615~hmac=5540620196d7898215d822be26353c87a63d51bbfb2b814e032626e1948a1583&w=740",
bio = "I am a software engineer",
country = "Nigeria"
)
override suspend fun getMyAccountProfile(): AccountProfile {
return TestDatabase.accountData.first { it.id == 0 }
}
override suspend fun getAccountProfileById(id: Int): AccountProfile {
return TestDatabase.accountData.first { it.id == id }
}
}

101
app/src/main/java/com/aiosman/riderpro/data/CommentService.kt
View File

@@ -2,28 +2,43 @@ package com.aiosman.riderpro.data
import androidx.paging.PagingSource
import androidx.paging.PagingState
import com.aiosman.riderpro.test.TestDatabase
import java.io.IOException
import java.util.Calendar
import kotlin.math.min
import kotlin.random.Random
interface CommentService {
suspend fun getComments(pageNumber: Int, postId: Int? = null): ListContainer<Comment>
suspend fun createComment(postId: Int, content: String, authorId: Int): Comment
suspend fun likeComment(commentId: Int)
}
data class Comment(
val id: Int,
val name: String,
val comment: String,
val date: String,
val likes: Int,
val replies: List<Comment>
val replies: List<Comment>,
val postId: Int = 0,
val avatar: String,
val author: Int,
val liked: Boolean,
)
class CommentPagingSource(
private val remoteDataSource: CommentRemoteDataSource,
private val postId: Int? = null
) : PagingSource<Int, Comment>() {
override suspend fun load(params: LoadParams<Int>): LoadResult<Int, Comment> {
return try {
val currentPage = params.key ?: 1
val comments = remoteDataSource.getComments(
pageNumber = currentPage
pageNumber = currentPage,
postId = postId
)
LoadResult.Page(
data = comments.list,
prevKey = if (currentPage == 1) null else currentPage - 1,
@@ -43,52 +58,70 @@ class CommentPagingSource(
class CommentRemoteDataSource(
private val commentService: CommentService,
) {
suspend fun getComments(pageNumber: Int): ListContainer<Comment> {
return commentService.getComments(pageNumber)
suspend fun getComments(pageNumber: Int, postId: Int?): ListContainer<Comment> {
return commentService.getComments(pageNumber, postId)
}
}
interface CommentService {
suspend fun getComments(pageNumber: Int): ListContainer<Comment>
}
class TestCommentServiceImpl : CommentService {
private val mockData = generateMockComments(100)
override suspend fun getComments(pageNumber: Int): ListContainer<Comment> {
val from = pageNumber * DataBatchSize
val to = (pageNumber + 1) * DataBatchSize
val currentSublist = mockData.subList(from, to)
override suspend fun getComments(pageNumber: Int, postId: Int?): ListContainer<Comment> {
var rawList = TestDatabase.comment
if (postId != null) {
rawList = rawList.filter { it.postId == postId }
}
val from = (pageNumber - 1) * DataBatchSize
val to = (pageNumber) * DataBatchSize
rawList = rawList.sortedBy { -it.id }
if (from >= rawList.size) {
return ListContainer(
total = rawList.size,
page = pageNumber,
pageSize = DataBatchSize,
list = emptyList()
)
}
rawList = rawList.sortedBy { -it.id }
val currentSublist = rawList.subList(from, min(to, rawList.size))
return ListContainer(
total = mockData.size,
total = rawList.size,
page = pageNumber,
pageSize = DataBatchSize,
list = currentSublist
)
}
private fun generateMockComments(count: Int): List<Comment> {
return (0 until count).map {
Comment(
name = "User $it",
comment = "This is comment $it",
date = "2023-02-02 11:23",
likes = Random.nextInt(0, 100),
replies = generateMockReplies()
)
override suspend fun createComment(postId: Int, content: String, authorId: Int): Comment {
var author = TestDatabase.accountData.find { it.id == authorId }
if (author == null) {
author = TestDatabase.accountData.random()
}
TestDatabase.commentIdCounter += 1
val newComment = Comment(
name = author.nickName,
comment = content,
date = Calendar.getInstance().time.toString(),
likes = 0,
replies = emptyList(),
postId = postId,
avatar = author.avatar,
author = author.id,
id = TestDatabase.commentIdCounter,
liked = false
)
TestDatabase.comment += newComment
return newComment
}
private fun generateMockReplies(): List<Comment> {
val replyCount = Random.nextInt(0, 6)
return (0 until replyCount).map {
Comment(
name = "Reply User $it",
comment = "This is reply $it",
date = "2023-02-02 11:23",
likes = Random.nextInt(0, 100),
replies = emptyList()
)
override suspend fun likeComment(commentId: Int) {
TestDatabase.comment = TestDatabase.comment.map {
if (it.id == commentId) {
it.copy(likes = it.likes + 1)
} else {
it
}
}
}
companion object {

106
app/src/main/java/com/aiosman/riderpro/data/MomentService.kt
View File

@@ -2,19 +2,34 @@ package com.aiosman.riderpro.data
import androidx.paging.PagingSource
import androidx.paging.PagingState
import com.aiosman.riderpro.R
import com.aiosman.riderpro.model.MomentItem
import com.aiosman.riderpro.test.TestDatabase
import java.io.IOException
import kotlin.math.min
interface MomentService {
suspend fun getMomentById(id: Int): MomentItem
suspend fun likeMoment(id: Int)
suspend fun getMoments(
pageNumber: Int,
author: Int? = null,
timelineId: Int? = null
): ListContainer<MomentItem>
}
class MomentPagingSource(
private val remoteDataSource: MomentRemoteDataSource,
private val author: Int? = null,
private val timelineId: Int? = null
) : PagingSource<Int, MomentItem>() {
override suspend fun load(params: LoadParams<Int>): LoadResult<Int, MomentItem> {
return try {
val currentPage = params.key ?: 1
val moments = remoteDataSource.getMoments(
pageNumber = currentPage
pageNumber = currentPage,
author = author,
timelineId = timelineId
)
LoadResult.Page(
@@ -36,63 +51,88 @@ class MomentPagingSource(
class MomentRemoteDataSource(
private val momentService: MomentService,
) {
suspend fun getMoments(pageNumber: Int): ListContainer<MomentItem> {
return momentService.getMoments(pageNumber)
suspend fun getMoments(
pageNumber: Int,
author: Int?,
timelineId: Int?
): ListContainer<MomentItem> {
return momentService.getMoments(pageNumber, author, timelineId)
}
}
interface MomentService {
suspend fun getMoments(pageNumber: Int): ListContainer<MomentItem>
suspend fun getMomentById(id: Int): MomentItem
suspend fun likeMoment(id: Int)
}
class TestMomentServiceImpl() : MomentService {
var imageList = listOf(
"https://img.freepik.com/free-photo/white-billboard-template_23-2147726635.jpg?t=st=1722150015~exp=1722153615~hmac=5540620196d7898215d822be26353c87a63d51bbfb2b814e032626e1948a1583&w=740",
"https://img.freepik.com/free-photo/minimal-clothing-label-fashion-brands_53876-111053.jpg?w=1060&t=st=1722150122~exp=1722150722~hmac=67f8a2b6abfe3d08714cf0cc0085485c3221e1ba00dda14378b03753dce39153",
"https://img.freepik.com/free-photo/marketing-strategy-planning-strategy-concept_53876-42950.jpg"
)
var mockData = TestDatabase.momentData
val testMomentBackend = TestMomentBackend(mockData)
override suspend fun getMoments(pageNumber: Int): ListContainer<MomentItem> {
return testMomentBackend.fetchMomentItems(pageNumber)
val testMomentBackend = TestMomentBackend()
override suspend fun getMoments(
pageNumber: Int,
author: Int?,
timelineId: Int?
): ListContainer<MomentItem> {
return testMomentBackend.fetchMomentItems(pageNumber, author, timelineId)
}
override suspend fun getMomentById(id: Int): MomentItem {
return mockData[id]
return testMomentBackend.getMomentById(id)
}
override suspend fun likeMoment(id: Int) {
// mockData = mockData.map {
// if (it.id == id) {
// it.copy(likeCount = it.likeCount + 1)
// } else {
// it
// }
// }
// mockData
testMomentBackend.likeMoment(id)
}
}
class TestMomentBackend(
private val mockData: List<MomentItem>,
private val loadDelay: Long = 500,
) {
val DataBatchSize = 5
suspend fun fetchMomentItems(pageNumber: Int): ListContainer<MomentItem> {
val from = pageNumber * DataBatchSize
val to = (pageNumber + 1) * DataBatchSize
val currentSublist = mockData.subList(from, to)
suspend fun fetchMomentItems(
pageNumber: Int,
author: Int? = null,
timelineId: Int?
): ListContainer<MomentItem> {
var rawList = TestDatabase.momentData
if (author != null) {
rawList = rawList.filter { it.authorId == author }
}
if (timelineId != null) {
val followIdList = TestDatabase.followList.filter {
it.first == timelineId
}.map { it.second }
rawList = rawList.filter { it.authorId in followIdList }
}
val from = (pageNumber - 1) * DataBatchSize
val to = (pageNumber) * DataBatchSize
if (from >= rawList.size) {
return ListContainer(
total = rawList.size,
page = pageNumber,
pageSize = DataBatchSize,
list = emptyList()
)
}
val currentSublist = rawList.subList(from, min(to, rawList.size))
// delay
kotlinx.coroutines.delay(loadDelay)
return ListContainer(
total = mockData.size,
total = rawList.size,
page = pageNumber,
pageSize = DataBatchSize,
list = currentSublist
)
}
suspend fun getMomentById(id: Int): MomentItem {
return TestDatabase.momentData[id]
}
suspend fun likeMoment(id: Int) {
val oldMoment = TestDatabase.momentData.first {
it.id == id
}
val newMoment = oldMoment.copy(likeCount = oldMoment.likeCount + 1)
TestDatabase.updateMomentById(id, newMoment)
}
}