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 6184eaf..0000000
--- a/models/Problem.js
+++ /dev/null
@@ -1,94 +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
- */
-
-// TODO: callback ?
-exports.create = function(vname, fen, instructions, solution)
-{
-       db.serialize(function() {
-               const vidQuery =
-                       "SELECT id " +
-                       "FROM Variants " +
-                       "WHERE name = '" + vname + "'";
-               db.get(vidQuery, (err,variant) => {
-                       const insertQuery =
-                               "INSERT INTO Problems (added, vid, fen, instructions, solution) VALUES " +
-                               "(" +
-                                       Date.now() + "," +
-                                       variant.id + "," +
-                                       fen + "," +
-                                       instructions + "," +
-                                       solution +
-                               ")";
-                       db.run(insertQuery);
-               });
-       });
-}
-
-exports.getById = function(id, callback)
-{
-       db.serialize(function() {
-               const query =
-                       "SELECT * FROM Problems " +
-                       "WHERE id ='" + id + "'";
-               db.get(query, callback);
-       });
-}
-
-exports.getOne = function(vname, pid, callback)
-{
-       db.serialize(function() {
-               const query =
-                       "SELECT * " +
-                       "FROM Problems " +
-                       "WHERE id = " + pid;
-               db.get(query, callback);
-       });
-}
-
-exports.fetchN = function(vname, uid, type, directionStr, lastDt, MaxNbProblems, callback)
-{
-       db.serialize(function() {
-               let typeLine = "";
-               if (uid > 0)
-                       typeLine = "AND id " + (type=="others" ? "!=" : "=") + " " + uid;
-               const query =
-                       "SELECT * FROM Problems " +
-                       "WHERE vid = (SELECT id FROM Variants WHERE name = '" + vname + "') " +
-                       "  AND added " + directionStr + " " + lastDt + " " + typeLine + " " +
-                       "ORDER BY added " + (directionStr=="<" ? "DESC " : "") +
-                       "LIMIT " + MaxNbProblems,
-               db.all(query, callback);
-       });
-}
-
-exports.update = function(id, uid, fen, instructions, solution)
-{
-       db.serialize(function() {
-               const query =
-                       "UPDATE Problems " +
-                               "fen = " + fen + ", " +
-                               "instructions = " + instructions + ", " +
-                               "solution = " + solution + " " +
-                       "WHERE id = " + id + " AND uid = " + uid;
-               db.run(query);
-       });
-}
-
-exports.remove = function(id, uid)
-{
-       db.serialize(function() {
-               const query =
-                       "DELETE FROM Problems " +
-                       "WHERE id = " + id + " AND uid = " + uid;
-               db.run(query);
-       });
-}