Move web and ui configurations in their own packages

config/ui/ui.go

@@ -0,0 +1,48 @@
+package ui
+
+import (
+	"bytes"
+	"html/template"
+)
+
+const (
+	defaultTitle = "Health Dashboard | Gatus"
+	defaultLogo  = ""
+)
+
+var (
+	// StaticFolder is the path to the location of the static folder from the root path of the project
+	// The only reason this is exposed is to allow running tests from a different path than the root path of the project
+	StaticFolder = "./web/static"
+)
+
+// Config is the configuration for the UI of Gatus
+type Config struct {
+	Title string `yaml:"title"` // Title of the page
+	Logo  string `yaml:"logo"`  // Logo to display on the page
+}
+
+// GetDefaultConfig returns a Config struct with the default values
+func GetDefaultConfig() *Config {
+	return &Config{
+		Title: defaultTitle,
+		Logo:  defaultLogo,
+	}
+}
+
+// ValidateAndSetDefaults validates the UI configuration and sets the default values if necessary.
+func (cfg *Config) ValidateAndSetDefaults() error {
+	if len(cfg.Title) == 0 {
+		cfg.Title = defaultTitle
+	}
+	t, err := template.ParseFiles(StaticFolder + "/index.html")
+	if err != nil {
+		return err
+	}
+	var buffer bytes.Buffer
+	err = t.Execute(&buffer, cfg)
+	if err != nil {
+		return err
+	}
+	return nil
+}

config/ui/ui_test.go

@@ -0,0 +1,26 @@
+package ui
+
+import (
+	"testing"
+)
+
+func TestConfig_ValidateAndSetDefaults(t *testing.T) {
+	StaticFolder = "../../web/static"
+	defer func() {
+		StaticFolder = "./web/static"
+	}()
+	cfg := &Config{Title: ""}
+	if err := cfg.ValidateAndSetDefaults(); err != nil {
+		t.Error("expected no error, got", err.Error())
+	}
+}
+
+func TestGetDefaultConfig(t *testing.T) {
+	defaultConfig := GetDefaultConfig()
+	if defaultConfig.Title != defaultTitle {
+		t.Error("expected GetDefaultConfig() to return defaultTitle, got", defaultConfig.Title)
+	}
+	if defaultConfig.Logo != defaultLogo {
+		t.Error("expected GetDefaultConfig() to return defaultLogo, got", defaultConfig.Logo)
+	}
+}