subdivided the project into multiple logical compartments

1 files changed, 23 insertions, 0 deletions

diff --git a/backend/is.go b/backend/is.go
new file mode 100644
index 0000000..01bc747
--- /dev/null
+++ b/backend/is.go
@@ -0,0 +1,23 @@
+package backend
+
+import (
+	"fmt"
+	"log"
+)
+
+// isLeaf returns true if the node with the given id is a leaf
+func isLeaf(nodeID int64) bool {
+	var isLeaf bool
+
+	query := fmt.Sprintf("SELECT COALESCE(isleaf, FALSE) FROM nodes WHERE node_id=%d", nodeID)
+	err := db.QueryRow(query).Scan(&isLeaf)
+	if err != nil {
+		log.Fatalf("[ E ] isLeaf query: %v\n\t\t\t query: %s\n", err, query)
+	}
+
+	if isLeaf == true {
+		return true
+	}
+
+	return false
+}