X-Git-Url: https://git.auder.net/?a=blobdiff_plain;f=server%2Fmodels%2FProblem.js;h=2d29520fdce33002634d1b1cdc2a7a9bd9963f83;hb=84fc0f02d3d399af66c40b3e9994f67b415ffd0e;hp=5c9af0b1803d6ff675d4970804bbfd5f74a4d48a;hpb=0234201fb338fc239d6f613c677fa932c7c3697c;p=vchess.git

diff --git a/server/models/Problem.js b/server/models/Problem.js
index 5c9af0b1..2d29520f 100644
--- a/server/models/Problem.js
+++ b/server/models/Problem.js
@@ -33,12 +33,19 @@ const ProblemModel = {
     });
   },
 
-  getAll: function(cb) {
+  getNext: function(uid, onlyMine, cursor, cb) {
+    let condition = "";
+    if (onlyMine) condition = "AND uid = " + uid + " ";
+    else if (!!uid) condition = "AND uid <> " + uid + " ";
     db.serialize(function() {
       const query =
         "SELECT * " +
-        "FROM Problems";
-      db.all(query, (err,problems) => {
+        "FROM Problems " +
+        "WHERE added < " + cursor + " " +
+        condition +
+        "ORDER BY added DESC " +
+        "LIMIT 20"; //TODO: 20 is arbitrary
+      db.all(query, (err, problems) => {
         cb(err, problems);
       });
     });
@@ -50,7 +57,7 @@ const ProblemModel = {
         "SELECT * " +
         "FROM Problems " +
         "WHERE id = " + id;
-      db.get(query, (err,problem) => {
+      db.get(query, (err, problem) => {
         cb(err, problem);
       });
     });
@@ -66,7 +73,7 @@ const ProblemModel = {
           "instruction = ?," +
           "solution = ? " +
         "WHERE id = " + prob.id + " AND uid = " + uid;
-      db.run(query, [prob.instruction,prob.solution]);
+      db.run(query, [prob.instruction, prob.solution]);
     });
   },