From 38e94210e431de7522d9ba9ca82cb47d7322497b Mon Sep 17 00:00:00 2001
From: Azalea <22280294+hykilpikonna@users.noreply.github.com>
Date: Wed, 20 Mar 2024 05:08:57 -0400
Subject: [PATCH] [+] Jackson datetime parsing

---
 build.gradle.kts         | 3 +++
 src/main/java/ext/Ext.kt | 9 +++++++++
 2 files changed, 12 insertions(+)

diff --git a/build.gradle.kts b/build.gradle.kts
index 58d435ab..26e44f5e 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -80,6 +80,9 @@ dependencies {
 
     // Content validation
     implementation("org.apache.tika:tika-core:2.9.1")
+
+    // Import: DateTime Parsing
+    implementation("com.fasterxml.jackson.datatype:jackson-datatype-jsr310:2.17.0")
 }
 
 group = "icu.samnya"
diff --git a/src/main/java/ext/Ext.kt b/src/main/java/ext/Ext.kt
index 03fa8ba0..db9ff96a 100644
--- a/src/main/java/ext/Ext.kt
+++ b/src/main/java/ext/Ext.kt
@@ -84,6 +84,7 @@ val ACCEPTABLE_FALSE = setOf("0", "false", "no", "off", "False", "None", "null")
 val ACCEPTABLE_TRUE = setOf("1", "true", "yes", "on", "True")
 @Suppress("PLATFORM_CLASS_MAPPED_TO_KOTLIN", "UNCHECKED_CAST")
 val jackson = ObjectMapper().apply {
+    findAndRegisterModules()
     registerModule(SimpleModule().addDeserializer(Boolean::class.java, object : JsonDeserializer<Boolean>() {
         override fun deserialize(parser: JsonParser, context: DeserializationContext) = when(parser.text) {
             in ACCEPTABLE_FALSE -> false
@@ -98,6 +99,9 @@ val jackson = ObjectMapper().apply {
                 else text.split(',').map { it.trim().toInt() } as List<Integer>
             } catch (e: Exception) {
                 400 - "Invalid list value ${parser.text}: $e" }
+    }).addDeserializer(LocalDateTime::class.java, object : JsonDeserializer<LocalDateTime>() {
+        override fun deserialize(parser: JsonParser, context: DeserializationContext) =
+            parser.text.asDateTime() ?: (400 - "Invalid date time value ${parser.text}")
     }))
 }
 @OptIn(ExperimentalSerializationApi::class)
@@ -131,6 +135,11 @@ val DATE_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd")
 fun LocalDate.isoDate() = format(DATE_FORMAT)
 fun LocalDateTime.isoDateTime() = format(DateTimeFormatter.ISO_LOCAL_DATE_TIME)
 
+val ALT_DATETIME_FORMAT = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss")
+fun Str.asDateTime() = try { LocalDateTime.parse(this, DateTimeFormatter.ISO_LOCAL_DATE_TIME) }
+catch (e: Exception) { try { LocalDateTime.parse(this, ALT_DATETIME_FORMAT) }
+catch (e: Exception) { null } }
+
 // Encodings
 fun Long.toHex(len: Int = 16): Str = "0x${this.toString(len).padStart(len, '0').uppercase()}"
 fun Map<String, Any>.toUrl() = entries.joinToString("&") { (k, v) -> "$k=$v" }