API: Rig up user { pastes }

api/graph/schema.resolvers.go

@@ -15,6 +15,7 @@ import (
 	"git.sr.ht/~sircmpwn/paste.sr.ht/api/graph/model"
 	"git.sr.ht/~sircmpwn/paste.sr.ht/api/loaders"
 	"github.com/99designs/gqlgen/graphql"
+	sq "github.com/Masterminds/squirrel"
 )
 
 func (r *mutationResolver) Create(ctx context.Context, files []*graphql.Upload, visibility model.Visibility) (*model.Paste, error) {
@@ -88,7 +89,33 @@ func (r *queryResolver) Paste(ctx context.Context, id string) (*model.Paste, err
 }
 
 func (r *userResolver) Pastes(ctx context.Context, obj *model.User, cursor *coremodel.Cursor) (*model.PasteCursor, error) {
-	panic(fmt.Errorf("not implemented"))
+	if cursor == nil {
+		cursor = coremodel.NewCursor(nil)
+	}
+
+	var pastes []*model.Paste
+	if err := database.WithTx(ctx, &sql.TxOptions{
+		Isolation: 0,
+		ReadOnly:  true,
+	}, func(tx *sql.Tx) error {
+		paste := (&model.Paste{}).As(`paste`)
+		query := database.
+			Select(ctx, paste).
+			From(`paste`).
+			Where(sq.And{
+				sq.Expr(`paste.user_id = ?`, obj.ID),
+				sq.Or{
+					sq.Expr(`paste.user_id = ?`, auth.ForContext(ctx).UserID),
+					sq.Expr(`paste.visibility = 'public'`),
+				},
+			})
+		pastes, cursor = paste.QueryWithCursor(ctx, tx, query, cursor)
+		return nil
+	}); err != nil {
+		return nil, err
+	}
+
+	return &model.PasteCursor{pastes, cursor}, nil
 }
 
 // Mutation returns api.MutationResolver implementation.