filter csv to matchies

cmd/cli/main.go

@@ -439,6 +439,7 @@ func Main() {
 
 		datesMatched := []string{}
 		namesMatched := []string{}
+		nonAssetNamesMatched := []string{}
 		for _, csvDelta := range csvDeltas {
 			matches, dates := matchies(deltas, csvDelta)
 			if len(matches) == 0 {
@@ -450,10 +451,14 @@ func Main() {
 				namesMatched = append(namesMatched, match.Name)
 			}
 		}
+		nonAssetNamesMatched = slices.DeleteFunc(slices.Clone(namesMatched), func(name string) bool {
+			return strings.Contains(name, "Asset")
+		})
 		datesMatched = slices.DeleteFunc(datesMatched, func(a string) bool { return strings.TrimSpace(a) == "" })
 		datesMatched = slices.Compact(datesMatched)
 		namesMatched = slices.Compact(namesMatched)
 
+		transactions := deltas.Transactions()
 		deltas = deltas.Like(func(delta ledger.Delta) bool {
 			return delta.Date >= slices.Min(datesMatched)
 		})
@@ -463,6 +468,43 @@ func Main() {
 		deltas = deltas.Like(func(delta ledger.Delta) bool {
 			return slices.Contains(namesMatched, delta.Name)
 		})
+		deltas = deltas.Like(func(delta ledger.Delta) bool {
+			xaction := transactions.Lookup(delta)
+			if noXactionFound := len(xaction) == 0; noXactionFound {
+				return false
+			}
+
+			names := []string{}
+			for _, delta := range xaction.Deltas() {
+				names = append(names, delta.Name)
+			}
+			slices.Sort(names)
+			_ = names
+
+			allTheSame := true
+			for i := range xaction {
+				for j := i + 1; j < len(xaction); j++ {
+					allTheSame = allTheSame && (xaction[i].Name == xaction[j].Name)
+				}
+			}
+			if allTheSame {
+				return false
+			}
+
+			if anyNameNotRelevant := slices.ContainsFunc(xaction.Deltas(), func(some ledger.Delta) bool {
+				return !slices.Contains(namesMatched, delta.Name)
+			}); anyNameNotRelevant {
+				return false
+			}
+
+			if hasNonAssetNameMatch := slices.ContainsFunc(xaction.Deltas(), func(some ledger.Delta) bool {
+				return slices.Contains(nonAssetNamesMatched, delta.Name)
+			}); !hasNonAssetNameMatch {
+				return false
+			}
+
+			return true
+		})
 
 		deltasSum := deltas.Group(ledger.GroupDate(""), ledger.GroupName("")).Balances()[""][ledger.USD]
 		csvSum := csvDeltas.Group(ledger.GroupDate(""), ledger.GroupName("")).Balances()[""][ledger.USD]

src/ledger/transaction.go

@@ -16,8 +16,21 @@ import (
 
 type Transaction Deltas
 
+func (t Transaction) Deltas() Deltas {
+	return Deltas(slices.Clone(t))
+}
+
 type Transactions []Transaction
 
+func (transactions Transactions) Lookup(delta Delta) Transaction {
+	for i := range transactions {
+		if transactions[i][0].Transaction == delta.Transaction {
+			return slices.Clone(transactions[i])
+		}
+	}
+	return nil
+}
+
 func (transactions Transactions) Deltas() Deltas {
 	result := make(Deltas, 0, len(transactions))
 	for _, transaction := range transactions {