Eric Rakestraw
aa4774e0dd
feedkit now contains a reusable core, while weatherfeeder is a concrete implementation that includes weather-specific functions.
55 lines
1.5 KiB
Go
55 lines
1.5 KiB
Go
package nws
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import (
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"context"
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"fmt"
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"strings"
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"gitea.maximumdirect.net/ejr/feedkit/config"
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"gitea.maximumdirect.net/ejr/feedkit/event"
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)
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type AlertsSource struct {
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name string
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url string
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userAgent string
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}
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func NewAlertsSource(cfg config.SourceConfig) (*AlertsSource, error) {
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if strings.TrimSpace(cfg.Name) == "" {
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return nil, fmt.Errorf("nws_alerts: name is required")
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}
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if cfg.Params == nil {
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return nil, fmt.Errorf("nws_alerts %q: params are required (need params.url and params.user_agent)", cfg.Name)
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}
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// Driver-specific options live in cfg.Params to keep feedkit domain-agnostic.
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// Use the typed accessor so callers can’t accidentally pass non-strings to TrimSpace.
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url, ok := cfg.ParamString("url", "URL")
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if !ok {
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return nil, fmt.Errorf("nws_alerts %q: params.url is required", cfg.Name)
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}
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ua, ok := cfg.ParamString("user_agent", "userAgent")
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if !ok {
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return nil, fmt.Errorf("nws_alerts %q: params.user_agent is required", cfg.Name)
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}
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return &AlertsSource{
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name: cfg.Name,
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url: url,
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userAgent: ua,
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}, nil
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}
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func (s *AlertsSource) Name() string { return s.name }
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// Kind is used for routing/policy.
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// The envelope type is event.Event; payload will eventually be something like model.WeatherAlert.
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func (s *AlertsSource) Kind() event.Kind { return event.Kind("alert") }
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func (s *AlertsSource) Poll(ctx context.Context) ([]event.Event, error) {
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_ = ctx
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return nil, fmt.Errorf("nws.AlertsSource.Poll: TODO implement (url=%s)", s.url)
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}
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