chore: 并入 iotlcm-bot 历史到 bot/（原提交 31dbc1d）

bot/internal/config/config.go

@@ -0,0 +1,63 @@
+package config
+
+import (
+	"fmt"
+	"os"
+	"time"
+
+	"gopkg.in/yaml.v3"
+)
+
+type Config struct {
+	Environment  string       `yaml:"environment"`
+	ArchiveDir   string       `yaml:"archiveDir"`
+	StateDir     string       `yaml:"stateDir"`
+	PollInterval string       `yaml:"pollInterval"`
+	Feishu       FeishuConfig `yaml:"feishu"`
+
+	PollDuration time.Duration `yaml:"-"`
+}
+
+type FeishuConfig struct {
+	AppID     string `yaml:"appId"`
+	AppSecret string `yaml:"appSecret"`
+	ChatID    string `yaml:"chatId"`
+}
+
+func Load(path string) (Config, error) {
+	body, err := os.ReadFile(path)
+	if err != nil {
+		return Config{}, fmt.Errorf("read config %s: %w", path, err)
+	}
+	var cfg Config
+	if err := yaml.Unmarshal(body, &cfg); err != nil {
+		return Config{}, fmt.Errorf("parse config %s: %w", path, err)
+	}
+	if cfg.Environment == "" {
+		cfg.Environment = "preview"
+	}
+	if cfg.ArchiveDir == "" {
+		cfg.ArchiveDir = "/data/full-sync"
+	}
+	if cfg.StateDir == "" {
+		cfg.StateDir = "/data/state"
+	}
+	if cfg.PollInterval == "" {
+		cfg.PollInterval = "10s"
+	}
+	cfg.PollDuration, err = time.ParseDuration(cfg.PollInterval)
+	if err != nil || cfg.PollDuration <= 0 {
+		return Config{}, fmt.Errorf("invalid pollInterval %q", cfg.PollInterval)
+	}
+	return cfg, nil
+}
+
+func (c Config) ValidateSend() error {
+	if c.Feishu.AppID == "" || c.Feishu.AppSecret == "" {
+		return fmt.Errorf("feishu.appId and feishu.appSecret are required")
+	}
+	if c.Feishu.ChatID == "" {
+		return fmt.Errorf("feishu.chatId is required")
+	}
+	return nil
+}