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recordwantsutils.go
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/
recordwantsutils.go
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package main
import (
"time"
pb "github.com/brotherlogic/recordwants/proto"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/client_golang/prometheus/promauto"
"golang.org/x/net/context"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
var (
processed = promauto.NewGauge(prometheus.GaugeOpts{
Name: "recordwants_processed",
Help: "The size of the wants queue",
})
total = promauto.NewGauge(prometheus.GaugeOpts{
Name: "recordwants_total",
Help: "The size of the wants queue",
})
mismatch = promauto.NewGauge(prometheus.GaugeOpts{
Name: "recordwants_mismatch",
Help: "The size of the wants queue",
})
)
func (s *Server) metrics(config *pb.Config) {
mis := 0
for _, want := range config.GetWants() {
if want.GetCurrentState() != want.GetDesiredState() {
mis++
}
}
mismatch.Set(float64(mis))
total.Set(float64(len(config.GetWants())))
}
func (s *Server) updateWantState(ctx context.Context, config *pb.Config) error {
for _, want := range config.Wants {
err, done := s.updateWant(ctx, want, time.Now())
if err != nil {
return err
}
if done {
break
}
}
return s.save(ctx, config)
}
func (s *Server) updateWant(ctx context.Context, want *pb.MasterWant, ti time.Time) (error, bool) {
if want.GetRetireTime() > 0 {
if ti.After(time.Unix(want.GetRetireTime(), 0)) {
want.DesiredState = pb.MasterWant_UNWANTED
}
}
if want.GetDesiredState() != want.GetCurrentState() {
if want.GetDesiredState() == pb.MasterWant_WANTED {
err := s.recordGetter.want(ctx, want)
if err != nil {
return err, false
}
want.CurrentState = want.GetDesiredState()
} else {
err := s.recordGetter.unwant(ctx, want)
if err != nil && status.Convert(err).Code() != codes.NotFound {
return err, false
}
want.CurrentState = pb.MasterWant_UNWANTED
}
return nil, true
}
return nil, false
}
func (s *Server) updateWants(ctx context.Context, iid int32) error {
config, err := s.load(ctx)
if err != nil {
return err
}
// Demote any wants we already own
record, err := s.recordGetter.getRecord(ctx, iid)
if err != nil {
if status.Convert(err).Code() == codes.OutOfRange {
return nil
}
return err
}
// Let's validate the budget for this want (we only started doing strict budgeting in 2022)
if time.Unix(record.GetMetadata().GetDateAdded(), 0).Year() > 2021 && record.GetMetadata().GetPurchaseBudget() == "" {
// Find the budget
for _, want := range config.GetWants() {
if want.Release.Id == record.GetRelease().GetId() {
if want.GetBudget() != "" {
err := s.recordGetter.updateBudget(ctx, iid, want.GetBudget())
if err != nil {
return err
}
}
}
}
if record.GetMetadata().GetPurchaseBudget() == "" {
return status.Errorf(codes.FailedPrecondition, "this purchase (%v) has no budget that we can find", record.GetRelease().GetInstanceId())
}
}
for _, w := range config.Wants {
if w.Level != pb.MasterWant_BOUGHT && record.GetRelease().GetId() == w.GetRelease().GetId() {
w.Demoted = true
w.Staged = true
w.Level = pb.MasterWant_BOUGHT
}
}
return s.save(ctx, config)
}