detect malformed study chapters

fogerd · Feb 9, 2018 · 7a06225 · 7a06225
1 parent 9fae708
commit 7a06225
Showing 1 changed file with 18 additions and 0 deletions.
diff --git a/bin/mongodb/study-chapter-depth.js b/bin/mongodb/study-chapter-depth.js
@@ -0,0 +1,18 @@
+rs.slaveOk();
+var depth, maxDepth = 900;
+
+function depthOf(branch) { return 2 + Math.max(...(branch.n || []).map(depthOf),0); }
+
+function urlOf(chap) {
+  var study = db.study.findOne({_id:chap.studyId});
+  return `https://lichess.org/study/${study._id}/${chap._id} by ${study.ownerId}`;
+}
+
+db.study_chapter.find().forEach(chap => {
+  try {
+    depth = depthOf(chap.root);
+    if (depth > maxDepth) print(`${urlOf(chap)} ${depth}`);
+  } catch(e) {
+    print(`${urlOf(chap)} ${e}`);
+  }
+})