refactor(code): Cleaned-up the code base

lib/server/retention.go

@@ -0,0 +1,49 @@
+package server
+
+import (
+	"strings"
+
+	"warpbox/lib/boxstore"
+	"warpbox/lib/models"
+)
+
+func (app *App) retentionAllowed(key string) bool {
+	key = strings.TrimSpace(key)
+	if key == "" {
+		return true
+	}
+	for _, option := range app.retentionOptions() {
+		if option.Key == key {
+			return true
+		}
+	}
+	return false
+}
+
+func (app *App) retentionOptions() []models.RetentionOption {
+	allOptions := boxstore.RetentionOptions()
+	options := make([]models.RetentionOption, 0, len(allOptions))
+	for _, option := range allOptions {
+		if option.Key == boxstore.OneTimeDownloadRetentionKey && !app.config.OneTimeDownloadsEnabled {
+			continue
+		}
+		if option.Seconds > 0 && app.config.MaxGuestExpirySeconds > 0 && option.Seconds > app.config.MaxGuestExpirySeconds {
+			continue
+		}
+		options = append(options, option)
+	}
+	if len(options) == 0 {
+		return allOptions[:1]
+	}
+	return options
+}
+
+func (app *App) defaultRetentionOption() models.RetentionOption {
+	options := app.retentionOptions()
+	for _, option := range options {
+		if option.Seconds == app.config.DefaultGuestExpirySeconds {
+			return option
+		}
+	}
+	return options[0]
+}