Attempt to clarify installation instructions a little
[vchess.git] / models / Problem.js
diff --git a/models/Problem.js b/models/Problem.js
deleted file mode 100644 (file)
index 0c80090..0000000
+++ /dev/null
@@ -1,72 +0,0 @@
-var db = require("../utils/database");
-
-/*
- * Structure:
- *   _id: problem number (int)
- *   uid: user id (int)
- *   vid: variant id (int)
- *   added: timestamp
- *   instructions: text
- *   solution: text
- */
-
-exports.create = function(vname, fen, instructions, solution)
-{
-       db.serialize(function() {
-               db.get("SELECT id FROM Variants WHERE name = '" + vname + "'", (err,variant) => {
-                       db.run(
-                               "INSERT INTO Problems (added, vid, fen, instructions, solution) VALUES " +
-                               "(" +
-                                       Date.now() + "," +
-                                       variant._id + "," +
-                                       fen + "," +
-                                       instructions + "," +
-                                       solution +
-                               ")");
-               });
-       });
-}
-
-exports.getById = function(id, callback)
-{
-       db.serialize(function() {
-               db.get(
-                       "SELECT * FROM Problems " +
-                       "WHERE id ='" + id + "'",
-                       callback);
-       });
-}
-
-exports.fetchN = function(vname, directionStr, lastDt, MaxNbProblems, callback)
-{
-       db.serialize(function() {
-               db.all(
-                       "SELECT * FROM Problems " +
-                       "WHERE vid = (SELECT id FROM Variants WHERE name = '" + vname + "') " +
-                       "  AND added " + directionStr + " " + lastDt + " " +
-                       "ORDER BY added " + (directionStr=="<" ? "DESC " : "") +
-                       "LIMIT " + MaxNbProblems,
-                       callback);
-       });
-}
-
-exports.update = function(id, uid, fen, instructions, solution)
-{
-       db.serialize(function() {
-               db.run(
-                       "UPDATE Problems " +
-                               "fen = " + fen + ", " +
-                               "instructions = " + instructions + ", " +
-                               "solution = " + solution + " " +
-                       "WHERE id = " + id + " AND uid = " + uid);
-       });
-}
-
-exports.remove = function(id, uid)
-{
-       db.serialize(function() {
-               db.run(
-                       "DELETE FROM Problems " +
-                       "WHERE id = " + id + " AND uid = " + uid);
-       });
-}