goyomi/internal/config/config_manager.go

package config

import (
	"context"
	"sync"

	"goyomi/internal/db/queries"
)

type ConfigManager struct {
	mu                sync.RWMutex
	flaresolverrProxy bool
	queries           *queries.Queries
}

var (
	manager     *ConfigManager
	managerOnce sync.Once
)

func InitConfigManager(q *queries.Queries) {
	managerOnce.Do(func() {
		manager = &ConfigManager{queries: q}
		manager.loadFromDB(context.Background())
	})
}

func (m *ConfigManager) loadFromDB(ctx context.Context) {
	if m.queries == nil {
		return
	}
	val, err := m.queries.GetConfigValue(ctx, "flaresolverr_proxy")
	if err == nil && val != "" {
		m.flaresolverrProxy = val == "true"
	}
}

func IsFlareSolverrProxyEnabled() bool {
	if manager == nil {
		return false
	}
	manager.mu.RLock()
	defer manager.mu.RUnlock()
	return manager.flaresolverrProxy
}

func SetFlareSolverrProxyEnabled(ctx context.Context, enabled bool) error {
	if manager == nil {
		return nil
	}
	value := "false"
	if enabled {
		value = "true"
	}
	err := manager.queries.SetConfigValue(ctx, queries.SetConfigValueParams{
		Key:   "flaresolverr_proxy",
		Value: value,
	})
	if err != nil {
		return err
	}
	manager.mu.Lock()
	manager.flaresolverrProxy = enabled
	manager.mu.Unlock()
	return nil
}