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refactor

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This commit is contained in:
InsanusMokrassar 2019-11-04 20:54:08 +06:00
parent 93c3ebd870
commit 44d89b3a47
3 changed files with 32 additions and 24 deletions
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14
core/src/main/kotlin/com/insanusmokrassar/postssystem/core/post/api/ReadPostsAPI.kt
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@ -3,6 +3,8 @@ package com.insanusmokrassar.postssystem.core.post.api
import com.insanusmokrassar.postssystem.core.content.ContentId
import com.insanusmokrassar.postssystem.core.post.PostId
import com.insanusmokrassar.postssystem.core.post.RegisteredPost
import com.insanusmokrassar.postssystem.core.utils.MAX_DATE
import com.insanusmokrassar.postssystem.core.utils.MIN_DATE
import com.insanusmokrassar.postssystem.core.utils.pagination.Pagination
import com.insanusmokrassar.postssystem.core.utils.pagination.PaginationResult
import org.joda.time.DateTime
@ -24,10 +26,18 @@ interface ReadPostsAPI {
/**
* @return all [RegisteredPost]s between [from] and [to]. Range will be used INCLUSIVE, line \[[from], [to]\]
*/
suspend fun getPostsByDates(from: DateTime? = null, to: DateTime? = null): List<RegisteredPost>
suspend fun getPostsByDates(from: DateTime = MIN_DATE, to: DateTime = MAX_DATE): List<RegisteredPost>
/**
* @return all posts by pages basing on their creation date
*/
suspend fun getPostsByPagination(pagination: Pagination): PaginationResult<out RegisteredPost>
}
}
suspend fun ReadPostsAPI.getPostsByDates(
from: DateTime? = null,
to: DateTime? = null
) = getPostsByDates(
from ?: MIN_DATE,
to ?: MAX_DATE
)

7
core/src/main/kotlin/com/insanusmokrassar/postssystem/core/utils/DateTimeUtils.kt
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@ -2,8 +2,5 @@ package com.insanusmokrassar.postssystem.core.utils
import org.joda.time.DateTime
fun DateTime?.orMin(): DateTime = this ?: MIN_DATE
fun DateTime?.orMax(): DateTime = this ?: MAX_DATE
private val MIN_DATE = DateTime(Long.MIN_VALUE)
private val MAX_DATE = DateTime(Long.MAX_VALUE)
internal val MIN_DATE = DateTime(0)
internal val MAX_DATE = DateTime(Long.MAX_VALUE)

35
core/src/test/kotlin/com/insanusmokrassar/postssystem/core/api/InMemoryPostsAPI.kt
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@ -45,13 +45,13 @@ class InMemoryPostsAPI(
}
override suspend fun deletePost(id: PostId): Boolean {
return posts.remove(id) ?.also {
return posts.remove(id)?.also {
postDeletedBroadcastChannel.send(it)
} != null
}
override suspend fun updatePostContent(postId: PostId, post: Post): Boolean {
return getPostById(postId) ?.also { dbPost ->
return getPostById(postId)?.also { dbPost ->
val newPost = SimpleRegisteredPost(
dbPost.id,
post.content,
@ -65,22 +65,23 @@ class InMemoryPostsAPI(
override suspend fun getPostById(id: PostId): RegisteredPost? = posts[id]
override suspend fun getPostsByContent(id: ContentId): List<RegisteredPost> = posts.values.filter { post ->
id in post.content
}
override suspend fun getPostsByDates(from: DateTime?, to: DateTime?): List<RegisteredPost> = posts.values.filter {
from ?.let { _ -> it.creationDate >= from } ?: true && to ?.let { _ -> it.creationDate <= to } ?: true
}
override suspend fun getPostsByContent(id: ContentId): List<RegisteredPost> =
posts.values.filter { post -> id in post.content }
override suspend fun getPostsByDates(from: DateTime, to: DateTime): List<RegisteredPost> =
(from .. to).let { range ->
posts.values.filter {
it.creationDate in range
}
}
override suspend fun getPostsByPagination(
pagination: Pagination
): PaginationResult<out RegisteredPost> = sortedByDatePosts.subList(
pagination.firstIndex,
pagination.lastIndex
).let {
PaginationResult(
pagination.page,
posts.size / pagination.size,
it
): PaginationResult<out RegisteredPost> = pagination.createResult(
commonObjectsNumber = posts.size,
results = sortedByDatePosts.subList(
pagination.firstIndex,
pagination.lastIndex
)
}
)
}