Use tag exclusions when identifying scenes (#5686)

* Move tag exclusion code back into scraper package

Reverts #2391

* Rearrange stash box client code
* Filter excluded tags in stashbox queries

Re-application of fix for #2379

pkg/scraper/stashbox/client.go

@@ -0,0 +1,102 @@
+// Package stashbox provides a client interface to a stash-box server instance.
+package stashbox
+
+import (
+	"context"
+	"net/http"
+	"regexp"
+
+	"github.com/Yamashou/gqlgenc/clientv2"
+	"github.com/stashapp/stash/pkg/match"
+	"github.com/stashapp/stash/pkg/models"
+	"github.com/stashapp/stash/pkg/scraper"
+	"github.com/stashapp/stash/pkg/scraper/stashbox/graphql"
+	"github.com/stashapp/stash/pkg/txn"
+)
+
+type SceneReader interface {
+	models.SceneGetter
+	models.StashIDLoader
+	models.VideoFileLoader
+}
+
+type PerformerReader interface {
+	models.PerformerGetter
+	match.PerformerFinder
+	models.AliasLoader
+	models.StashIDLoader
+	models.URLLoader
+	FindBySceneID(ctx context.Context, sceneID int) ([]*models.Performer, error)
+	GetImage(ctx context.Context, performerID int) ([]byte, error)
+}
+
+type StudioReader interface {
+	models.StudioGetter
+	match.StudioFinder
+	models.StashIDLoader
+}
+
+type TagFinder interface {
+	models.TagQueryer
+	FindBySceneID(ctx context.Context, sceneID int) ([]*models.Tag, error)
+}
+
+type Repository struct {
+	TxnManager models.TxnManager
+
+	Scene     SceneReader
+	Performer PerformerReader
+	Tag       TagFinder
+	Studio    StudioReader
+}
+
+func NewRepository(repo models.Repository) Repository {
+	return Repository{
+		TxnManager: repo.TxnManager,
+		Scene:      repo.Scene,
+		Performer:  repo.Performer,
+		Tag:        repo.Tag,
+		Studio:     repo.Studio,
+	}
+}
+
+func (r *Repository) WithReadTxn(ctx context.Context, fn txn.TxnFunc) error {
+	return txn.WithReadTxn(ctx, r.TxnManager, fn)
+}
+
+// Client represents the client interface to a stash-box server instance.
+type Client struct {
+	client     *graphql.Client
+	repository Repository
+	box        models.StashBox
+
+	// tag patterns to be excluded
+	excludeTagRE []*regexp.Regexp
+}
+
+// NewClient returns a new instance of a stash-box client.
+func NewClient(box models.StashBox, repo Repository, excludeTagPatterns []string) *Client {
+	authHeader := func(ctx context.Context, req *http.Request, gqlInfo *clientv2.GQLRequestInfo, res interface{}, next clientv2.RequestInterceptorFunc) error {
+		req.Header.Set("ApiKey", box.APIKey)
+		return next(ctx, req, gqlInfo, res)
+	}
+
+	client := &graphql.Client{
+		Client: clientv2.NewClient(http.DefaultClient, box.Endpoint, nil, authHeader),
+	}
+
+	return &Client{
+		client:       client,
+		repository:   repo,
+		box:          box,
+		excludeTagRE: scraper.CompileExclusionRegexps(excludeTagPatterns),
+	}
+}
+
+func (c Client) getHTTPClient() *http.Client {
+	return c.client.Client.Client
+}
+
+func (c Client) GetUser(ctx context.Context) (*graphql.Me, error) {
+	return c.client.Me(ctx)
+}