optimistic writeback and pessimistic read

getters.go

@@ -10,7 +10,13 @@ import (
 func (c *ConfigManager) GetBool(key string) bool {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return false
+		}
+	}
 	val := v.Value
 	switch val := val.(type) {
 	case bool:
@@ -41,13 +47,17 @@ func (c *ConfigManager) GetBool(key string) bool {
 		return val.(bool)
 	}
 }
-	return false
-}
 
 func (c *ConfigManager) GetDuration(key string) time.Duration {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return 0
+		}
+	}
 	val := v.Value
 	switch val := val.(type) {
 	case time.Duration:
@@ -68,15 +78,21 @@ func (c *ConfigManager) GetDuration(key string) time.Duration {
 		return 0
 	default:
 		return val.(time.Duration)
+
 	}
 }
-	return 0
-}
 
 func (c *ConfigManager) GetString(key string) string {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return ""
+		}
+	}
+
 	switch val := v.Value.(type) {
 	case string:
 		return val
@@ -84,13 +100,17 @@ func (c *ConfigManager) GetString(key string) string {
 		return fmt.Sprintf("%v", v.Value)
 	}
 }
-	return ""
-}
 
 func (c *ConfigManager) GetStringMap(key string) map[string]any {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return nil
+		}
+	}
 	switch val := v.Value.(type) {
 	case map[string]any:
 		return val
@@ -98,13 +118,17 @@ func (c *ConfigManager) GetStringMap(key string) map[string]any {
 		return nil
 	}
 }
-	return nil
-}
 
 func (c *ConfigManager) GetStringSlice(key string) []string {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return nil
+		}
+	}
 	switch val := v.Value.(type) {
 	case []string:
 		return val
@@ -112,13 +136,17 @@ func (c *ConfigManager) GetStringSlice(key string) []string {
 		return nil
 	}
 }
-	return nil
-}
 
 func (c *ConfigManager) GetInt(key string) int {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return 0
+		}
+	}
 	switch val := v.Value.(type) {
 	case int:
 		return val
@@ -135,16 +163,20 @@ func (c *ConfigManager) GetInt(key string) int {
 	case nil:
 		return 0
 	default:
-			return val.(int)
-		}
-	}
 		return 0
 	}
+}
 
 func (c *ConfigManager) GetIntSlice(key string) []int {
 	c.mutex.RLock()
 	defer c.mutex.RUnlock()
-	if v, ok := c.combinedConfig[strings.ToLower(key)]; ok {
+	v, ok := c.combinedConfig[strings.ToLower(key)]
+	if !ok {
+		v, ok = c.envConfig[strings.ToLower(key)]
+		if !ok {
+			return nil
+		}
+	}
 	switch val := v.Value.(type) {
 	case []int:
 		return val
@@ -152,5 +184,3 @@ func (c *ConfigManager) GetIntSlice(key string) []int {
 		return nil
 	}
 }
-	return nil
-}

jety.go

@@ -28,6 +28,7 @@ type (
 
 	ConfigManager struct {
 		configName       string
+		configPath       string
 		configFileUsed   string
 		configType       configType
 		envPrefix        string
@@ -201,6 +202,12 @@ func readFile(filename string, fileType configType) (map[string]any, error) {
 	}
 }
 
+func (c *ConfigManager) SetConfigDir(path string) {
+	c.mutex.Lock()
+	defer c.mutex.Unlock()
+	c.configPath = name
+}
+
 func (c *ConfigManager) SetConfigName(name string) {
 	c.mutex.Lock()
 	defer c.mutex.Unlock()

setters.go

@@ -9,6 +9,7 @@ func (c *ConfigManager) SetBool(key string, value bool) {
 	defer c.mutex.Unlock()
 	lower := strings.ToLower(key)
 	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+	c.combinedConfig[lower] = ConfigMap{Key: key, Value: value}
 }
 
 func (c *ConfigManager) SetString(key string, value string) {
@@ -16,6 +17,7 @@ func (c *ConfigManager) SetString(key string, value string) {
 	defer c.mutex.Unlock()
 	lower := strings.ToLower(key)
 	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+	c.combinedConfig[lower] = ConfigMap{Key: key, Value: value}
 }
 
 func (c *ConfigManager) Set(key string, value any) {
@@ -23,6 +25,7 @@ func (c *ConfigManager) Set(key string, value any) {
 	defer c.mutex.Unlock()
 	lower := strings.ToLower(key)
 	c.mapConfig[lower] = ConfigMap{Key: key, Value: value}
+	c.combinedConfig[lower] = ConfigMap{Key: key, Value: value}
 }
 
 func (c *ConfigManager) SetDefault(key string, value any) {
@@ -30,4 +33,10 @@ func (c *ConfigManager) SetDefault(key string, value any) {
 	defer c.mutex.Unlock()
 	lower := strings.ToLower(key)
 	c.defaultConfig[lower] = ConfigMap{Key: key, Value: value}
+	if _, ok := c.mapConfig[lower]; !ok {
+		if envVal, ok := c.envConfig[lower]; !ok {
+			c.mapConfig[lower] = envVal
+			c.combinedConfig[lower] = envVal
+		}
+	}
 }