tian
74ca578483
- 告警页增加日期范围筛选（默认今天），50 条/页分页 - AlarmCollector.GetFiltered 支持 from/to/limit/offset - alarm_retention_days 配置项（默认 30 天），超期自动清理
74 lines
2.2 KiB
Go
74 lines
2.2 KiB
Go
package config
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import (
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"encoding/json"
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"os"
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"path/filepath"
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"strings"
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)
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type Config struct {
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Listen string `json:"listen"`
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DiscoveryPort int `json:"discovery_port"`
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DiscoveryTimeoutMs int `json:"discovery_timeout_ms"`
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OfflineAfterMs int `json:"offline_after_ms"`
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AgentToken string `json:"agent_token"`
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Concurrency int `json:"concurrency"`
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DataDir string `json:"data_dir,omitempty"`
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DBPath string `json:"db_path,omitempty"`
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LogDir string `json:"log_dir,omitempty"`
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MediaRepoPath string `json:"media_repo_path,omitempty"` // explicit import-only source; not used for runtime rendering
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AlarmRetentionDays int `json:"alarm_retention_days"` // auto-delete alarms older than N days, 0=keep forever
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DeviceAliases map[string]string `json:"device_aliases,omitempty"`
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path string
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}
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func LoadConfig(path string) (*Config, error) {
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file, err := os.Open(path)
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if err != nil {
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return nil, err
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}
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defer file.Close()
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var cfg Config
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decoder := json.NewDecoder(file)
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if err := decoder.Decode(&cfg); err != nil {
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return nil, err
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}
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cfg.path = path
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return &cfg, nil
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}
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func (c *Config) Save() error {
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if c == nil || c.path == "" {
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return nil
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}
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body, err := json.MarshalIndent(c, "", " ")
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if err != nil {
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return err
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}
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return os.WriteFile(c.path, append(body, '\n'), 0o644)
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}
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func (c *Config) DataDirOrDefault() string {
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if c != nil && strings.TrimSpace(c.DataDir) != "" {
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return filepath.Clean(strings.TrimSpace(c.DataDir))
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}
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return "data"
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}
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func (c *Config) DBPathOrDefault() string {
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if c != nil && strings.TrimSpace(c.DBPath) != "" {
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return filepath.Clean(strings.TrimSpace(c.DBPath))
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}
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return filepath.Join(c.DataDirOrDefault(), "app.db")
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}
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func (c *Config) LogDirOrDefault() string {
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if c != nil && strings.TrimSpace(c.LogDir) != "" {
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return filepath.Clean(strings.TrimSpace(c.LogDir))
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}
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return filepath.Join(c.DataDirOrDefault(), "logs")
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}
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