fix of cache filling without clearing of values

0.12.8

CHANGELOG.md

@@ -1,5 +1,32 @@
 # Changelog
 
+## 0.12.9
+
+* `Versions`:
+  * `Klock`: `3.0.0` -> `3.1.0`
+* `Repos`:
+    * `Cache`:
+      * Fixes in key values cache
+
+## 0.12.8
+
+* `Versions`:
+    * `Ktor`: `2.1.0` -> `2.1.1`
+    * `Compose`: `1.2.0-alpha01-dev764` -> `1.2.0-alpha01-dev774`
+* `Ktor`:
+  * `Client`:
+    * New extension `HttpClient#bodyOrNull` which returns `null` in case when server responded with `No Content` (204)
+  * `Server`:
+    * New extension `ApplicationCall#respondOrNoContent` which responds `No Content` (204) when passed data is null
+
+## 0.12.7
+
+* `Repos`:
+  * `Cache`:
+    * Force `WriteCRUDCacheRepo` to subscribe on new and updated objects of parent repo
+* `Pagination`:
+  * New function `changeResultsUnchecked(Pagination)`
+
 ## 0.12.6
 
 * `MimeeTypes>`:

gradle.properties

@@ -14,5 +14,5 @@ crypto_js_version=4.1.1
 # Project data
 
 group=dev.inmo
-version=0.12.6
-android_code_version=145
+version=0.12.9
+android_code_version=148

gradle/libs.versions.toml

@@ -4,14 +4,14 @@ kt = "1.7.10"
 kt-serialization = "1.4.0"
 kt-coroutines = "1.6.4"
 
-jb-compose = "1.2.0-alpha01-dev764"
+jb-compose = "1.2.0-alpha01-dev774"
 jb-exposed = "0.39.2"
 jb-dokka = "1.7.10"
 
-klock = "3.0.0"
+klock = "3.1.0"
 uuid = "0.5.0"
 
-ktor = "2.1.0"
+ktor = "2.1.1"
 
 gh-release = "2.4.1"
 

gradle/wrapper/gradle-wrapper.properties

@@ -1,5 +1,5 @@
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-7.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-7.5.1-bin.zip
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists

ktor/client/src/commonMain/kotlin/dev/inmo/micro_utils/ktor/client/BodyOrNull.kt

@@ -0,0 +1,9 @@
+package dev.inmo.micro_utils.ktor.client
+
+import io.ktor.client.call.body
+import io.ktor.client.statement.HttpResponse
+import io.ktor.http.HttpStatusCode
+
+suspend inline fun <reified T : Any> HttpResponse.bodyOrNull() = takeIf {
+    status == HttpStatusCode.OK
+} ?.body<T>()

ktor/server/src/jvmMain/kotlin/dev/inmo/micro_utils/ktor/server/RespondOrNoContent.kt

@@ -0,0 +1,15 @@
+package dev.inmo.micro_utils.ktor.server
+
+import io.ktor.http.HttpStatusCode
+import io.ktor.server.application.ApplicationCall
+import io.ktor.server.response.respond
+
+suspend inline fun <reified T : Any> ApplicationCall.respondOrNoContent(
+    data: T?
+) {
+    if (data == null) {
+        respond(HttpStatusCode.NoContent)
+    } else {
+        respond(data)
+    }
+}

pagination/common/src/commonMain/kotlin/dev/inmo/micro_utils/pagination/PaginationResult.kt

@@ -48,6 +48,14 @@ data class PaginationResult<T>(
 }
 
 fun <T> emptyPaginationResult() = PaginationResult<T>(0, 0, emptyList(), 0L)
+fun <T> emptyPaginationResult(
+    basePagination: Pagination
+) = PaginationResult<T>(
+    basePagination.page,
+    basePagination.size,
+    emptyList(),
+    0L
+)
 
 /**
  * @return New [PaginationResult] with [data] without checking of data sizes equality

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/CRUDCacheRepo.kt

@@ -33,6 +33,14 @@ open class WriteCRUDCacheRepo<ObjectType, IdType, InputValueType>(
     override val updatedObjectsFlow: Flow<ObjectType> by parentRepo::updatedObjectsFlow
     override val deletedObjectsIdsFlow: Flow<IdType> by parentRepo::deletedObjectsIdsFlow
 
+    val createdObjectsFlowJob = parentRepo.newObjectsFlow.onEach {
+        kvCache.set(idGetter(it), it)
+    }.launchIn(scope)
+
+    val updatedObjectsFlowJob = parentRepo.updatedObjectsFlow.onEach {
+        kvCache.set(idGetter(it), it)
+    }.launchIn(scope)
+
     val deletedObjectsFlowJob = parentRepo.deletedObjectsIdsFlow.onEach {
         kvCache.unset(it)
     }.launchIn(scope)

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/KeyValuesCacheRepo.kt

@@ -1,9 +1,7 @@
 package dev.inmo.micro_utils.repos.cache
 
-import dev.inmo.micro_utils.pagination.Pagination
-import dev.inmo.micro_utils.pagination.PaginationResult
-import dev.inmo.micro_utils.pagination.utils.paginate
-import dev.inmo.micro_utils.pagination.utils.reverse
+import dev.inmo.micro_utils.pagination.*
+import dev.inmo.micro_utils.pagination.utils.*
 import dev.inmo.micro_utils.repos.*
 import dev.inmo.micro_utils.repos.cache.cache.KVCache
 import kotlinx.coroutines.CoroutineScope
@@ -15,18 +13,24 @@ open class ReadKeyValuesCacheRepo<Key,Value>(
     protected open val kvCache: KVCache<Key, List<Value>>
 ) : ReadKeyValuesRepo<Key,Value> by parentRepo, CacheRepo {
     override suspend fun get(k: Key, pagination: Pagination, reversed: Boolean): PaginationResult<Value> {
-        return kvCache.get(k) ?.paginate(
-            pagination.let { if (reversed) it.reverse(count(k)) else it }
-        ) ?.let {
-            if (reversed) it.copy(results = it.results.reversed()) else it
-        } ?: parentRepo.get(k, pagination, reversed)
+        val count = count(k)
+        return getAll(k, reversed).createPaginationResult(
+            pagination,
+            count
+        )
     }
     override suspend fun getAll(k: Key, reversed: Boolean): List<Value> {
         return kvCache.get(k) ?.let {
             if (reversed) it.reversed() else it
-        } ?: parentRepo.getAll(k, reversed)
+        } ?: parentRepo.getAll(k, reversed).also {
+            kvCache.set(k, it)
+        }
     }
-    override suspend fun contains(k: Key, v: Value): Boolean = kvCache.get(k) ?.contains(v) ?: parentRepo.contains(k, v)
+    override suspend fun contains(k: Key, v: Value): Boolean = kvCache.get(k) ?.contains(v) ?: (parentRepo.contains(k, v).also {
+        if (it) {
+            kvCache.unset(k) // clear as invalid
+        }
+    })
     override suspend fun contains(k: Key): Boolean = kvCache.contains(k) || parentRepo.contains(k)
 }
 
@@ -39,9 +43,21 @@ open class KeyValuesCacheRepo<Key,Value>(
     kvCache: KVCache<Key, List<Value>>,
     scope: CoroutineScope = CoroutineScope(Dispatchers.Default)
 ) : ReadKeyValuesCacheRepo<Key,Value>(parentRepo, kvCache), KeyValuesRepo<Key,Value>, WriteKeyValuesRepo<Key,Value> by parentRepo, CacheRepo {
-    protected val onNewJob = parentRepo.onNewValue.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.plus(it.second) ?: listOf(it.second)) }.launchIn(scope)
-    protected val onRemoveJob = parentRepo.onValueRemoved.onEach { kvCache.set(it.first, kvCache.get(it.first) ?.minus(it.second) ?: return@onEach) }.launchIn(scope)
-    protected val onDataClearedJob = parentRepo.onDataCleared.onEach { kvCache.unset(it) }.launchIn(scope)
+    protected val onNewJob = parentRepo.onNewValue.onEach { (k, v) ->
+        kvCache.set(
+            k,
+            kvCache.get(k) ?.plus(v) ?: return@onEach
+        )
+    }.launchIn(scope)
+    protected val onRemoveJob = parentRepo.onValueRemoved.onEach { (k, v) ->
+        kvCache.set(
+            k,
+            kvCache.get(k) ?.minus(v) ?: return@onEach
+        )
+    }.launchIn(scope)
+    protected val onDataClearedJob = parentRepo.onDataCleared.onEach {
+        kvCache.unset(it)
+    }.launchIn(scope)
 }
 
 fun <Key, Value> KeyValuesRepo<Key, Value>.cached(

repos/cache/src/commonMain/kotlin/dev/inmo/micro_utils/repos/cache/cache/SimpleKVCache.kt

@@ -25,6 +25,9 @@ open class SimpleKVCache<K, V>(
                         kvParent.unset(it)
                     }
                 }
+                do {
+                    val removed = cacheQueue.remove(k)
+                } while (removed)
                 cacheQueue.addLast(k)
                 kvParent.set(k, v)
             }