From 975f1b7c4672573963ec8684a47d642cbacbd07b Mon Sep 17 00:00:00 2001
From: Dmitri Livotov <dmitri.livotov@ontarget-group.com>
Date: Mon, 7 Jul 2025 14:18:10 +0500
Subject: [PATCH] Add default KmpFsMimeTypes

---
 .../filesystem/KmpFsMimeTypes.android.kt      |  3 ++
 .../oskitkmp/filesystem/KmpFsMimeTypes.kt     | 46 +++++++++++++++++++
 .../oskitkmp/filesystem/KmpFsMimeTypes.ios.kt |  3 ++
 .../oskitkmp/filesystem/KmpFsMimeTypes.jvm.kt |  3 ++
 .../filesystem/KmpFsMimeTypes.wasm.kt         |  3 ++
 5 files changed, 58 insertions(+)
 create mode 100644 src/androidMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.android.kt
 create mode 100644 src/commonMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.kt
 create mode 100644 src/iosMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.ios.kt
 create mode 100644 src/jvmMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.jvm.kt
 create mode 100644 src/wasmJsMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.wasm.kt

diff --git a/src/androidMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.android.kt b/src/androidMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.android.kt
new file mode 100644
index 00000000..b68cfbb8
--- /dev/null
+++ b/src/androidMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.android.kt
@@ -0,0 +1,3 @@
+package com.outsidesource.oskitkmp.filesystem
+
+internal actual fun platformMimeTypeHelper(): IMimeTypeHelper = SharedMimeTypeHelper
\ No newline at end of file
diff --git a/src/commonMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.kt b/src/commonMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.kt
new file mode 100644
index 00000000..dec05667
--- /dev/null
+++ b/src/commonMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.kt
@@ -0,0 +1,46 @@
+package com.outsidesource.oskitkmp.filesystem
+
+interface IMimeTypeHelper {
+    fun getMimeType(extension: String): String?
+    fun getMimeTypes(extensions: List<String>): List<String>
+    val imageMimeTypes: List<KmpFileMimetype>
+    val textMimeTypes: List<KmpFileMimetype>
+}
+
+object KmpFsMimeTypes : IMimeTypeHelper by platformMimeTypeHelper()
+
+internal expect fun platformMimeTypeHelper(): IMimeTypeHelper
+
+internal object SharedMimeTypeHelper : IMimeTypeHelper {
+    private val extensionToMimeType = mapOf(
+        "png" to "image/png",
+        "jpg" to "image/jpeg",
+        "jpeg" to "image/jpeg",
+        "svg" to "image/svg+xml",
+        "bmp" to "image/bmp",
+        "gif" to "image/gif",
+        "webp" to "image/webp",
+        "js" to "application/javascript",
+        "html" to "text/html",
+        "xml" to "application/xml",
+        "txt" to "text/plain"
+    )
+
+    override fun getMimeType(extension: String): String? =
+        extensionToMimeType[extension.lowercase()]
+
+    override fun getMimeTypes(extensions: List<String>): List<String> =
+        extensions.mapNotNull { getMimeType(it) }.distinct()
+
+    override val imageMimeTypes: List<KmpFileMimetype> by lazy {
+        listOf("png", "jpg", "jpeg", "svg", "bmp", "gif", "webp").mapNotNull {
+            getMimeType(it)?.let { mime -> KmpFileMimetype(it, mime) }
+        }
+    }
+
+    override val textMimeTypes: List<KmpFileMimetype> by lazy {
+        listOf("txt", "html", "xml", "js").mapNotNull {
+            getMimeType(it)?.let { mime -> KmpFileMimetype(it, mime) }
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/iosMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.ios.kt b/src/iosMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.ios.kt
new file mode 100644
index 00000000..b68cfbb8
--- /dev/null
+++ b/src/iosMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.ios.kt
@@ -0,0 +1,3 @@
+package com.outsidesource.oskitkmp.filesystem
+
+internal actual fun platformMimeTypeHelper(): IMimeTypeHelper = SharedMimeTypeHelper
\ No newline at end of file
diff --git a/src/jvmMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.jvm.kt b/src/jvmMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.jvm.kt
new file mode 100644
index 00000000..b68cfbb8
--- /dev/null
+++ b/src/jvmMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.jvm.kt
@@ -0,0 +1,3 @@
+package com.outsidesource.oskitkmp.filesystem
+
+internal actual fun platformMimeTypeHelper(): IMimeTypeHelper = SharedMimeTypeHelper
\ No newline at end of file
diff --git a/src/wasmJsMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.wasm.kt b/src/wasmJsMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.wasm.kt
new file mode 100644
index 00000000..b68cfbb8
--- /dev/null
+++ b/src/wasmJsMain/kotlin/com/outsidesource/oskitkmp/filesystem/KmpFsMimeTypes.wasm.kt
@@ -0,0 +1,3 @@
+package com.outsidesource.oskitkmp.filesystem
+
+internal actual fun platformMimeTypeHelper(): IMimeTypeHelper = SharedMimeTypeHelper
\ No newline at end of file