submissions: centralize hashing and formatting

pkg/service/scripts.go

@@ -2,12 +2,10 @@ package service
 
 import (
 	"context"
-	"fmt"
 
 	"git.itzana.me/strafesnet/maps-service/pkg/api"
 	"git.itzana.me/strafesnet/maps-service/pkg/datastore"
 	"git.itzana.me/strafesnet/maps-service/pkg/model"
-	"github.com/dchest/siphash"
 )
 
 // CreateScript implements createScript operation.
@@ -28,7 +26,7 @@ func (svc *Service) CreateScript(ctx context.Context, req *api.ScriptCreate) (*a
 	script, err := svc.DB.Scripts().Create(ctx, model.Script{
 		ID:           0,
 		Name:         req.Name,
-		Hash:         siphash.Hash(0, 0, []byte(req.Source)),
+		Hash:         model.HashSource(req.Source),
 		Source:       req.Source,
 		SubmissionID: req.SubmissionID.Or(0),
 	})
@@ -80,7 +78,7 @@ func (svc *Service) GetScript(ctx context.Context, params api.GetScriptParams) (
 	return &api.Script{
 		ID:           script.ID,
 		Name:         script.Name,
-		Hash:         fmt.Sprintf("%x", script.Hash),
+		Hash:         model.HashFormat(script.Hash),
 		Source:       script.Source,
 		SubmissionID: script.SubmissionID,
 	}, nil
@@ -107,7 +105,7 @@ func (svc *Service) UpdateScript(ctx context.Context, req *api.ScriptUpdate, par
 	}
 	if source, ok := req.Source.Get(); ok {
 		pmap.Add("source", source)
-		pmap.Add("hash", siphash.Hash(0, 0, []byte(source)))
+		pmap.Add("hash", model.HashSource(source))
 	}
 	if SubmissionID, ok := req.SubmissionID.Get(); ok {
 		pmap.Add("submission_id", SubmissionID)