feat: Make maximum number of results and events configurable (#1110)

config/config.go

@@ -280,6 +280,8 @@ func parseAndValidateConfigBytes(yamlBytes []byte) (config *Config, err error) {
 		if err := validateConnectivityConfig(config); err != nil {
 			return nil, err
 		}
+		// Cross-config changes
+		config.UI.MaximumNumberOfResults = config.Storage.MaximumNumberOfResults
 	}
 	return
 }
@@ -303,7 +305,9 @@ func validateRemoteConfig(config *Config) error {
 func validateStorageConfig(config *Config) error {
 	if config.Storage == nil {
 		config.Storage = &storage.Config{
-			Type: storage.TypeMemory,
+			Type:                   storage.TypeMemory,
+			MaximumNumberOfResults: storage.DefaultMaximumNumberOfResults,
+			MaximumNumberOfEvents:  storage.DefaultMaximumNumberOfEvents,
 		}
 	} else {
 		if err := config.Storage.ValidateAndSetDefaults(); err != nil {

config/config_test.go

@@ -330,6 +330,8 @@ func TestParseAndValidateConfigBytes(t *testing.T) {
 storage:
   type: sqlite
   path: %s
+  maximum-number-of-results: 10
+  maximum-number-of-events: 5
 
 maintenance:
   enabled: true
@@ -386,6 +388,9 @@ endpoints:
 	if config.Storage == nil || config.Storage.Path != file || config.Storage.Type != storage.TypeSQLite {
 		t.Error("expected storage to be set to sqlite, got", config.Storage)
 	}
+	if config.Storage == nil || config.Storage.MaximumNumberOfResults != 10 || config.Storage.MaximumNumberOfEvents != 5 {
+		t.Error("expected MaximumNumberOfResults and MaximumNumberOfEvents to be set to 10 and 5, got", config.Storage.MaximumNumberOfResults, config.Storage.MaximumNumberOfEvents)
+	}
 	if config.UI == nil || config.UI.Title != "T" || config.UI.Header != "H" || config.UI.Link != "https://example.org" || len(config.UI.Buttons) != 2 || config.UI.Buttons[0].Name != "Home" || config.UI.Buttons[0].Link != "https://example.org" || config.UI.Buttons[1].Name != "Status page" || config.UI.Buttons[1].Link != "https://status.example.org" {
 		t.Error("expected ui to be set to T, H, https://example.org, 2 buttons, Home and Status page, got", config.UI)
 	}

config/ui/ui.go

@@ -5,6 +5,7 @@ import (
 	"errors"
 	"html/template"
 
+	"github.com/TwiN/gatus/v5/storage"
 	static "github.com/TwiN/gatus/v5/web"
 )
 
@@ -33,6 +34,8 @@ type Config struct {
 	Buttons     []Button `yaml:"buttons,omitempty"`     // Buttons to display below the header
 	CustomCSS   string   `yaml:"custom-css,omitempty"`  // Custom CSS to include in the page
 	DarkMode    *bool    `yaml:"dark-mode,omitempty"`   // DarkMode is a flag to enable dark mode by default
+
+	MaximumNumberOfResults int // MaximumNumberOfResults to display on the page, it's not configurable because we're passing it from the storage config
 }
 
 func (cfg *Config) IsDarkMode() bool {
@@ -59,13 +62,14 @@ func (btn *Button) Validate() error {
 // GetDefaultConfig returns a Config struct with the default values
 func GetDefaultConfig() *Config {
 	return &Config{
-		Title:       defaultTitle,
-		Description: defaultDescription,
-		Header:      defaultHeader,
-		Logo:        defaultLogo,
-		Link:        defaultLink,
-		CustomCSS:   defaultCustomCSS,
-		DarkMode:    &defaultDarkMode,
+		Title:                  defaultTitle,
+		Description:            defaultDescription,
+		Header:                 defaultHeader,
+		Logo:                   defaultLogo,
+		Link:                   defaultLink,
+		CustomCSS:              defaultCustomCSS,
+		DarkMode:               &defaultDarkMode,
+		MaximumNumberOfResults: storage.DefaultMaximumNumberOfResults,
 	}
 }