refactored code, removed *_helper.go files and placed them in *.resolvers.go files for uniformity

backend/graph/gitea.resolvers.go

@@ -0,0 +1,40 @@
+package graph
+
+import (
+	"context"
+	"time"
+
+	"adam-french.co.uk/backend/graph/model"
+	"adam-french.co.uk/backend/services"
+)
+
+func mapGiteaFeed(feed *services.GiteaFeedResponse) *model.GiteaFeedItem {
+	return &model.GiteaFeedItem{
+		AvatarURL:     feed.ActUser.AvatarURL,
+		RepoURL:       feed.Repo.HTMLURL,
+		RepoName:      feed.Repo.FullName,
+		OpType:        feed.OpType,
+		CommitMessage: services.ParseCommitMessage(feed.Content),
+		CreatedAt:     feed.Created,
+	}
+}
+
+// GiteaFeed is the resolver for the giteaFeed field.
+func (r *queryResolver) GiteaFeed(ctx context.Context) (*model.GiteaFeedItem, error) {
+	if r.Store.GiteaFeedFresh() {
+		return mapGiteaFeed(r.Store.GiteaFeed), nil
+	}
+
+	feed, err := services.FetchLatestFeed(r.Store.GiteaHost, r.Store.GiteaPort)
+	if err != nil {
+		return nil, err
+	}
+	if feed == nil {
+		return nil, nil
+	}
+
+	r.Store.GiteaFeed = feed
+	r.Store.GiteaFeedFetchedAt = time.Now()
+
+	return mapGiteaFeed(feed), nil
+}