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orion/emlid/common/handle_version.go

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2020-11-23 11:15:30 +01:00
package common
import (
"context"
"github.com/blang/semver/v4"
"github.com/pkg/errors"
)
type VersionHandlerFunc func(ctx context.Context, version string, stable bool) error
type VersionHandler struct {
Range string
Handler VersionHandlerFunc
}
func NewVersionHandler(versionRange string, h VersionHandlerFunc) *VersionHandler {
return &VersionHandler{
Range: versionRange,
Handler: h,
}
}
func (c *Client) HandleVersion(ctx context.Context, handlers ...*VersionHandler) error {
rawVersion, stable, err := c.ReachViewVersion(ctx)
if err != nil {
return errors.Wrap(err, "could not retrieve reachview version")
}
version, err := semver.ParseTolerant(rawVersion)
if err != nil {
return errors.Wrap(err, "could not parse reachview version")
}
for _, h := range handlers {
versionRange, err := semver.ParseRange(h.Range)
if err != nil {
return errors.Wrap(err, "could not parse handler version range")
}
if !versionRange(version) {
continue
}
if err := h.Handler(ctx, rawVersion, stable); err != nil {
return errors.WithStack(err)
}
}
return nil
}