core: oplog: better logging

packages/hydrooj/src/handler/problem.ts

@@ -514,14 +514,8 @@ export class ProblemFilesHandler extends ProblemDetailHandler {
                 ?.filter((i) => files.has(i.name))
                 ?.map((i) => i.size),
         ) || 0;
-        await oplog.add({
-            type: 'bulkDownload',
-            time: new Date(),
-            uid: this.user._id,
-            ip: this.request.ip,
-            fileType: 'problem',
+        await oplog.log(this, 'download.problem.bulk', {
             target: Array.from(files).map((file) => `problem/${this.pdoc.domainId}/${this.pdoc.docId}/${type}/${file}`),
-            referer: this.request.referer,
             size,
         });
         for (const file of files) {
@@ -618,14 +612,8 @@ export class ProblemFileDownloadHandler extends ProblemDetailHandler {
         }
         const target = `problem/${this.pdoc.domainId}/${this.pdoc.docId}/${type}/${filename}`;
         const file = await storage.getMeta(target);
-        await oplog.add({
-            type: 'download',
-            time: new Date(),
-            uid: this.user._id,
-            ip: this.request.ip,
-            fileType: 'problem',
+        await oplog.log(this, 'download.problem.single', {
             target,
-            referer: this.request.referer,
             size: file?.size || 0,
         });
         if (!file) {