1 files changed, 58 insertions, 0 deletions
diff --git a/mod/src/main/kotlin/moe/nea/ledger/modules/BazaarDetection.kt b/mod/src/main/kotlin/moe/nea/ledger/modules/BazaarDetection.kt
new file mode 100644
index 0000000..0f1fc2c
--- /dev/null
+++ b/mod/src/main/kotlin/moe/nea/ledger/modules/BazaarDetection.kt
@@ -0,0 +1,58 @@
+package moe.nea.ledger.modules
+
+import moe.nea.ledger.ItemChange
+import moe.nea.ledger.ItemId
+import moe.nea.ledger.ItemIdProvider
+import moe.nea.ledger.LedgerEntry
+import moe.nea.ledger.LedgerLogger
+import moe.nea.ledger.SHORT_NUMBER_PATTERN
+import moe.nea.ledger.TransactionType
+import moe.nea.ledger.events.ChatReceived
+import moe.nea.ledger.parseShortNumber
+import moe.nea.ledger.useMatcher
+import moe.nea.ledger.utils.di.Inject
+import net.minecraftforge.fml.common.eventhandler.SubscribeEvent
+import java.util.regex.Pattern
+
+class BazaarDetection @Inject constructor(val ledger: LedgerLogger, val ids: ItemIdProvider) {
+
+	val instaBuyPattern =
+		Pattern.compile("\\[Bazaar\\] Bought (?<count>$SHORT_NUMBER_PATTERN)x (?<what>.*) for (?<coins>$SHORT_NUMBER_PATTERN) coins!")
+	val instaSellPattern =
+		Pattern.compile("\\[Bazaar\\] Sold (?<count>$SHORT_NUMBER_PATTERN)x (?<what>.*) for (?<coins>$SHORT_NUMBER_PATTERN) coins!")
+
+
+	@SubscribeEvent
+	fun onInstSellChat(event: ChatReceived) {
+		instaBuyPattern.useMatcher(event.message) {
+			ledger.logEntry(
+				LedgerEntry(
+					TransactionType.BAZAAR_BUY_INSTANT,
+					event.timestamp,
+					listOf(
+						ItemChange.loseCoins(parseShortNumber(group("coins"))),
+						ItemChange.gain(
+							ids.findForName(group("what")) ?: ItemId.NIL,
+							parseShortNumber(group("count"))
+						)
+					)
+				)
+			)
+		}
+		instaSellPattern.useMatcher(event.message) {
+			ledger.logEntry(
+				LedgerEntry(
+					TransactionType.BAZAAR_SELL_INSTANT,
+					event.timestamp,
+					listOf(
+						ItemChange.gainCoins(parseShortNumber(group("coins"))),
+						ItemChange.lose(
+							ids.findForName(group("what")) ?: ItemId.NIL,
+							parseShortNumber(group("count"))
+						)
+					),
+				)
+			)
+		}
+	}
+}