init

internal/challenge/runner.go

@@ -0,0 +1,35 @@
+package challenge
+
+import "os"
+
+func Run(configPath, eventsPath string) (string, error) {
+	cfgFile, err := os.Open(configPath)
+	if err != nil {
+		return "", err
+	}
+	defer cfgFile.Close()
+
+	eventsFile, err := os.Open(eventsPath)
+	if err != nil {
+		return "", err
+	}
+	defer eventsFile.Close()
+
+	cfg, err := readConfig(cfgFile)
+	if err != nil {
+		return "", err
+	}
+	events, err := readEvents(eventsFile)
+	if err != nil {
+		return "", err
+	}
+
+	engine, err := NewEngine(cfg)
+	if err != nil {
+		return "", err
+	}
+	for _, event := range events {
+		engine.Apply(event)
+	}
+	return engine.Output(), nil
+}