[+] Migrate: Remove signed IDs

src/main/java/icu/samnyan/aqua/net/Migrations.kt

@@ -0,0 +1,58 @@
+package icu.samnyan.aqua.net
+
+import ext.JACKSON
+import ext.invoke
+import ext.logger
+import ext.parse
+import icu.samnyan.aqua.net.db.AquaNetUserRepo
+import icu.samnyan.aqua.sega.general.dao.CardRepository
+import icu.samnyan.aqua.sega.general.dao.PropertyEntryRepository
+import icu.samnyan.aqua.sega.general.model.PropertyEntry
+import jakarta.annotation.PostConstruct
+import org.springframework.stereotype.Service
+
+
+@Service
+class Migrations(
+    val userRepo: AquaNetUserRepo,
+    val cardRepo: CardRepository,
+    val props: PropertyEntryRepository
+) {
+    companion object {
+        val log = logger()
+    }
+
+    @PostConstruct
+    fun migrate() {
+        val db = props.findByPropertyKey("migrations")() ?: PropertyEntry("migrations", "[]")
+        val p = JACKSON.parse<ArrayList<String>>(db.propertyValue)
+        val old = p.size
+
+        if ("0. Signed ID" !in p) {
+            migrateSignedID()
+            p.add("0. Signed ID")
+        }
+
+        if (p.size > old) props.save(db.apply { propertyValue = JACKSON.writeValueAsString(p) })
+    }
+
+    /**
+     * Migrate the ID to remove the signed bit
+     */
+    fun migrateSignedID() {
+        // Loop through everyone's ID, remove the signed bit
+        val cards = cardRepo.findAll()
+        val max = Int.MAX_VALUE.toLong()
+        cards.forEach { c ->
+            if (c.extId > max) {
+                var new = c.extId and max
+                log.info("Removing signed bit: {${c.extId} -> $new} for ${c.luid}")
+                while (cardRepo.findByExtId(new).isPresent) {
+                    log.error("> Conflicting card found for ${c.luid}: $new")
+                    new++
+                }
+                cardRepo.save(c.apply { extId = new })
+            }
+        }
+    }
+}