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feat: predictions

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This commit is contained in:
Anatoly Antonov 2025-06-25 23:23:16 +03:00
parent 42e7924be9
commit 11be8f351f
42 changed files with 2221 additions and 516 deletions
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29
internal/pkg/grib/grib.go
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@ -27,15 +27,17 @@ type Service interface {
Update(ctx context.Context) error
Extract(ctx context.Context, lat, lon, alt float64, ts time.Time) ([2]float64, error)
Close() error
GetStatus() (ready bool, lastUpdate time.Time, isFresh bool, errMsg string)
}
type ServiceConfig struct {
Dir string
TTL time.Duration
CacheTTL time.Duration
Redis RedisIface
Parallel int
Client *http.Client
Dir string
TTL time.Duration
CacheTTL time.Duration
Redis RedisIface
Parallel int
Client *http.Client
DatasetURL string
}
type service struct {
@ -147,7 +149,7 @@ func (s *service) Update(ctx context.Context) error {
}
}
dl := Downloader{Dir: s.cfg.Dir, Parallel: s.cfg.Parallel, Client: s.cfg.Client}
dl := Downloader{Dir: s.cfg.Dir, Parallel: s.cfg.Parallel, Client: s.cfg.Client, DatasetURL: s.cfg.DatasetURL}
run := nearestRun(time.Now().UTC().Add(-4 * time.Hour))
// Check if we already have this run
@ -334,3 +336,16 @@ func (s *service) Close() error {
}
return nil
}
func (s *service) GetStatus() (ready bool, lastUpdate time.Time, isFresh bool, errMsg string) {
d := s.data.Load()
if d == nil {
return false, time.Time{}, false, "no dataset loaded"
}
runTime := time.Unix(d.runUTC, 0)
fresh := time.Since(runTime) < s.cfg.TTL
if !fresh {
return false, runTime, false, "dataset is too old"
}
return true, runTime, true, ""
}