add mime type working

core/api/src/commonMain/kotlin/com/insanusmokrassar/postssystem/core/content/Content.kt

@@ -1,7 +1,6 @@
 package com.insanusmokrassar.postssystem.core.content
 
-import com.insanusmokrassar.postssystem.utils.common.ByteArrayAllocator
-import com.insanusmokrassar.postssystem.utils.common.ByteArrayAllocatorSerializer
+import com.insanusmokrassar.postssystem.utils.common.*
 import kotlinx.serialization.Serializable
 
 typealias ContentId = String
@@ -12,6 +11,10 @@ typealias ContentId = String
 @Serializable
 sealed class Content
 
+/**
+ * It is content, which was added by some external source to use inside of some plugins. For example, you can use
+ * location as content inside your target system and add this type of content specially for this system only
+ */
 @Serializable
 data class SpecialContent(
     val internalId: ContentId
@@ -24,7 +27,7 @@ data class TextContent(
 
 @Serializable
 data class BinaryContent(
-    val mimeType: String,
+    val mimeType: MimeType,
     val originalFileName: String,
     @Serializable(ByteArrayAllocatorSerializer::class)
     val dataAllocator: ByteArrayAllocator

core/exposed/src/main/kotlin/com/insanusmokrassar/postssystem/core/exposed/content/BinaryContentHolderRepo.kt

@@ -2,6 +2,7 @@ package com.insanusmokrassar.postssystem.core.exposed.content
 
 import com.insanusmokrassar.postssystem.core.content.BinaryContent
 import com.insanusmokrassar.postssystem.core.content.ContentId
+import com.insanusmokrassar.postssystem.utils.common.mimeType
 import org.jetbrains.exposed.sql.*
 import org.jetbrains.exposed.sql.statements.api.ExposedBlob
 import org.jetbrains.exposed.sql.transactions.transaction
@@ -31,7 +32,7 @@ private class BinaryContentHolderRepoTable(
         }.limit(1).firstOrNull() ?.let {
             val bytes = it[dataColumn].bytes
             BinaryContent(
-                it[mimeColumn],
+                mimeType(it[mimeColumn]),
                 it[originalFileNameColumn]
             ) {
                 bytes
@@ -54,7 +55,7 @@ private class BinaryContentHolderRepoTable(
             insert {
                 it[idColumn] = id
                 it[originalFileNameColumn] = content.originalFileName
-                it[mimeColumn] = content.mimeType
+                it[mimeColumn] = content.mimeType.raw
                 it[dataColumn] = ExposedBlob(content.dataAllocator())
             }
         }

gradle.properties

@@ -12,6 +12,8 @@ uuidVersion=0.1.1
 exposed_version=0.26.2
 test_sqlite_version=3.32.3.2
 
+javax_activation_version=1.1.1
+
 gradle_bintray_plugin_version=1.8.4
 
 core_version=0.4.2

utils/common/build.gradle

@@ -55,6 +55,8 @@ kotlin {
                 implementation kotlin('stdlib-jdk8')
                 api "org.jetbrains.kotlinx:kotlinx-coroutines-core:$kotlin_coroutines_version"
                 api "org.jetbrains.kotlinx:kotlinx-serialization-runtime:$kotlin_serialisation_runtime_version"
+
+                api "javax.activation:activation:$javax_activation_version"
             }
         }
         jvmTest {

utils/common/src/commonMain/kotlin/com/insanusmokrassar/postssystem/utils/common/MimeType.kt

@@ -0,0 +1,30 @@
+package com.insanusmokrassar.postssystem.utils.common
+
+import kotlinx.serialization.*
+
+private val mimesCache = mutableMapOf<String, MimeType>()
+
+@Serializable(MimeTypeSerializer::class)
+expect class MimeType {
+    val raw: String
+}
+
+fun mimeType(raw: String) = mimesCache.getOrPut(raw) {
+    parseMimeType(raw)
+}
+
+internal expect fun parseMimeType(raw: String): MimeType
+
+@Serializer(MimeType::class)
+internal object MimeTypeSerializer : KSerializer<MimeType> {
+    override val descriptor: SerialDescriptor = PrimitiveDescriptor("mimeType", PrimitiveKind.STRING)
+
+    override fun deserialize(decoder: Decoder): MimeType {
+        val mimeType = decoder.decodeString()
+        return mimeType(mimeType)
+    }
+
+    override fun serialize(encoder: Encoder, value: MimeType) {
+        encoder.encodeString(value.raw)
+    }
+}

utils/common/src/jsMain/kotlin/com/insanusmokrassar/postssystem/utils/common/MimeType.kt

@@ -0,0 +1,19 @@
+package com.insanusmokrassar.postssystem.utils.common
+
+import kotlinx.serialization.*
+import org.w3c.dom.get
+import kotlin.browser.window
+
+private val mimesCache = mutableMapOf<String, MimeType>()
+
+@Serializable(MimeTypeSerializer::class)
+actual class MimeType(
+    actual val raw: String
+) {
+    @Transient
+    val jsMimeType = window.navigator.mimeTypes[raw]
+
+    override fun toString(): String = raw
+}
+
+actual fun parseMimeType(raw: String) = MimeType(raw)

utils/common/src/jvmMain/kotlin/com/insanusmokrassar/postssystem/utils/common/MimeType.kt

@@ -0,0 +1,13 @@
+package com.insanusmokrassar.postssystem.utils.common
+
+import kotlinx.serialization.*
+
+private val mimesCache = mutableMapOf<String, MimeType>()
+
+@Serializable(MimeTypeSerializer::class)
+actual class MimeType(
+    actual val raw: String
+) : javax.activation.MimeType(raw)
+
+actual fun parseMimeType(raw: String): MimeType = MimeType(raw)
+