From: Steinar H. Gunderson Date: Wed, 7 Feb 2024 16:47:31 +0000 (+0100) Subject: Merge remote-tracking branch 'magne/master' X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=42857ec85080fefd5ad4b29b2031d8aa69d510e8;hp=df3e9a1875c5c811c1f349e1f07c93a2aaa47622;p=remoteglot Merge remote-tracking branch 'magne/master' --- diff --git a/Position.pm b/Position.pm index 3e39e46..9e9fe29 100644 --- a/Position.pm +++ b/Position.pm @@ -191,6 +191,8 @@ sub fen { sub to_json_hash { my $pos = shift; my $json = { %$pos, fen => $pos->fen() }; + delete $json->{'toplay'}; + delete $json->{'move_num'}; delete $json->{'board'}; delete $json->{'prettyprint_cache'}; delete $json->{'tbprobe_cache'}; diff --git a/build.sh b/build.sh index c970b13..75141e4 100755 --- a/build.sh +++ b/build.sh @@ -1,12 +1,12 @@ #! /bin/sh -# Download http://dl.google.com/closure-compiler/compiler-latest.zip -# and unzip it in closure/ before running this script. +# Download the latest .jar from +# https://mvnrepository.com/artifact/com.google.javascript/closure-compiler/v20231112 +# (adjust the URL for the version you want) before running this script. umask 022 -java -jar closure-compiler-v20221004.jar \ - --language_in ECMASCRIPT_2018 \ +java -jar closure-compiler-v20231112.jar \ --compilation_level SIMPLE \ --js_output_file=www/js/remoteglot.min.js \ www/js/chessboard-0.3.0.js \ diff --git a/www/js/chess.js b/www/js/chess.js index b9d4d53..4598758 100644 --- a/www/js/chess.js +++ b/www/js/chess.js @@ -128,11 +128,7 @@ var Chess = function(fen) { load(fen); } - function clear(keep_headers) { - if (typeof keep_headers === 'undefined') { - keep_headers = false; - } - + function clear() { board = new Array(128); kings = {w: EMPTY, b: EMPTY}; turn = WHITE; @@ -141,7 +137,7 @@ var Chess = function(fen) { half_moves = 0; move_number = 1; history = []; - if (!keep_headers) header = {}; + header = {}; update_setup(generate_fen()); } @@ -149,11 +145,7 @@ var Chess = function(fen) { load(DEFAULT_POSITION); } - function load(fen, keep_headers) { - if (typeof keep_headers === 'undefined') { - keep_headers = false; - } - + function load(fen) { var tokens = fen.split(/\s+/); var position = tokens[0]; var square = 0; @@ -162,7 +154,7 @@ var Chess = function(fen) { return false; } - clear(keep_headers); + clear(); for (var i = 0; i < position.length; i++) { var piece = position.charAt(i); diff --git a/www/js/remoteglot.js b/www/js/remoteglot.js index 51a470f..d36bf9e 100644 --- a/www/js/remoteglot.js +++ b/www/js/remoteglot.js @@ -5,10 +5,10 @@ * Version of this script. If the server returns a version larger than * this, it is a sign we should reload to upgrade ourselves. * - * @type {Number} + * @type {number} * @const * @private */ -let SCRIPT_VERSION = 2021021300; +let SCRIPT_VERSION = 2023122700; /** * The current backend URL. @@ -75,22 +75,29 @@ let occupied_by_arrows = []; /** Currently displayed refutation lines (on-screen). * Can either come from the current_analysis_data, displayed_analysis_data, - * or hash_refutation_lines. + * or hash_refutation_lines (choose_displayed_refutation_lines() chooses which one). + * + * @typedef {{ + * score: Array, + * depth: string, + * pv: Array., + * move: string + * }} + * @private */ -let refutation_lines = []; +var RefutationLine; /** Refutation lines from current hash probe. - * * If non-null, will override refutation lines from the base position. - * Note that these are relative to display_fen, not base_fen. + * + * @type {Array.} */ let hash_refutation_lines = null; -/** @type {!number} @private */ -let move_num = 1; - -/** @type {!string} @private */ -let toplay = 'W'; +/** + * What FEN hash_refutation_lines is relative to. + */ +let hash_refutation_lines_base_fen = null; /** @type {number} @private */ let ims = 0; @@ -163,15 +170,19 @@ let display_fen = null; /** @typedef {{ * start_fen: string, * pv: Array., - * move_num: number, - * toplay: string, * scores: Array<{first_move: number, score: Object}>, * start_display_move_num: number - * }} DisplayLine + * }} + * + * "start_display_move_num" is the (half-)move number to start displaying the PV at, + * i.e., the index into pv. * - * "start_display_move_num" is the (half-)move number to start displaying the PV at. - * "score" is also evaluated at this point. + * "score" is also evaluated at this point. scores can be empty and is frequently + * sparse; it's generally only really useful for history (we obviously don't know + * much about how the score will * move during e.g. a PV, except that a mate/TB + * counter might go down). */ +var DisplayLine; /** All PVs that we currently know of. * @@ -190,7 +201,11 @@ let current_display_line = null; /** @type {boolean} @private */ let current_display_line_is_history = false; -/** @type {?number} @private */ +/** @type {?number} @private + * + * The highlighted/used/shown move in current_display_line.pv, in terms of absolute index + * (not relative to e.g. the start FEN). + */ let current_display_move = null; /** @@ -206,7 +221,7 @@ let current_analysis_xhr = null; * The current timer to fire off a request to get main analysis (not history), * if any, so that we can abort it. * - * @type {?Number} + * @type {?number} * @private */ let current_analysis_request_timer = null; @@ -231,7 +246,7 @@ let current_hash_xhr = null; * The current timer to display hash probe information (it could be waiting on the * board to stop animating), if any, so that we can abort it. * - * @type {?Number} + * @type {?number} * @private */ let current_hash_display_timer = null; @@ -356,8 +371,7 @@ function possibly_play_sound(old_data, new_data) { if (ding && ding.play) { if (old_data['position'] && old_data['position']['fen'] && new_data['position'] && new_data['position']['fen'] && - (old_data['position']['fen'] !== new_data['position']['fen'] || - old_data['position']['move_num'] !== new_data['position']['move_num'])) { + old_data['position']['fen'] !== new_data['position']['fen']) { ding.play(); } } @@ -401,6 +415,35 @@ function redraw_arrows() { } } +/** @param {!string} fen + * @return {!string} + * + * Return whose side it is to play (w or b), given a FEN. + */ +function find_toplay(fen) { + return fen.split(' ')[1]; +} + +/** @param {!string} fen + * @return {!number} + * + * Return the move clock, starting from 1. See also find_toplay(). + */ +function find_move_num(fen) { + return parseInt(fen.split(' ')[5]); +} + +/** @param {!string} fen + * @return {!number} + * + * Return the half-move clock, starting from 0 (and never resetting). + */ +function find_halfmove_num(fen) { + let move_num = find_move_num(fen); + let toplay = find_toplay(fen); + return (move_num - 1) * 2 + (toplay === 'w' ? 0 : 1); +} + /** @param {!number} x * @return {!number} */ @@ -658,7 +701,8 @@ function find_nonstupid_moves(data, margin, invert) { moves.push(move); } } - moves = moves.sort(function(a, b) { return compare_by_score(data['refutation_lines'], data['position']['toplay'] === 'B', a, b) }); + let toplay = find_toplay(data['position']['fen']); + moves = moves.sort(function(a, b) { return compare_by_score(data['refutation_lines'], toplay, a, b) }); moves.unshift(data['pv'][0]); return moves; @@ -675,19 +719,15 @@ function thousands(x) { /** * @param {!string} start_fen * @param {Array.} pv - * @param {number} move_num - * @param {!string} toplay - * @param {Array<{ first_move: integer, score: Object }>} scores + * @param {Array<{ first_move: number, score: Object }>} scores * @param {number} start_display_move_num * @param {number=} opt_limit * @param {boolean=} opt_showlast */ -function add_pv(start_fen, pv, move_num, toplay, scores, start_display_move_num, opt_limit, opt_showlast) { +function add_pv(start_fen, pv, scores, start_display_move_num, opt_limit, opt_showlast) { display_lines.push({ start_fen: start_fen, pv: pv, - move_num: parseInt(move_num), - toplay: toplay, scores: scores, start_display_move_num: start_display_move_num }); @@ -711,37 +751,15 @@ function add_pv(start_fen, pv, move_num, toplay, scores, start_display_move_num, function print_pv(line_num, splicepos, opt_limit, opt_showlast) { let display_line = display_lines[line_num]; let pv = display_line.pv; - let move_num = display_line.move_num; - let toplay = display_line.toplay; - - // Truncate PV at the start if needed. - let start_display_move_num = display_line.start_display_move_num; - if (start_display_move_num > 0) { - pv = pv.slice(start_display_move_num); - let to_add = start_display_move_num; - if (toplay === 'B') { - ++move_num; - toplay = 'W'; - --to_add; - } - if (to_add % 2 == 1) { - toplay = 'B'; - --to_add; - } - move_num += to_add / 2; - if (splicepos !== null && splicepos > 0) { - --splicepos; - } - } + let halfmove_num = find_halfmove_num(display_line.start_fen) + 2; // From two, for simplicity. + let start_halfmove_num = halfmove_num; let ret = document.createDocumentFragment(); - let in_tb = false; - let i = 0; - if (opt_limit && opt_showlast && pv.length > opt_limit) { - // Truncate the PV at the beginning (instead of at the end). - // We assume here that toplay is 'W'. We also assume that if - // opt_showlast is set, then it is the history, and thus, - // the UI should be to expand the history. + + // Truncate PV at the start if needed. + let to_skip = display_line.start_display_move_num; + if (opt_limit && opt_showlast && pv.length - to_skip > opt_limit) { + // Explicit (UI-visible) truncation from the start, for the history. ret.appendChild(document.createTextNode('(')); let link = document.createElement('a'); link.className = 'move'; @@ -749,25 +767,37 @@ function print_pv(line_num, splicepos, opt_limit, opt_showlast) { link.textContent = '…'; ret.appendChild(link); ret.appendChild(document.createTextNode(') ')); - i = pv.length - opt_limit; - if (i % 2 == 1) { - ++i; + to_skip = pv.length - opt_limit; + to_skip += to_skip % 2; // Make sure it starts on a white move. + } + if (to_skip > 0) { + pv = pv.slice(to_skip); + halfmove_num += to_skip; + if (splicepos !== null) { + splicepos -= to_skip; + if (splicepos < 0) { + splicepos = 0; + } } - move_num += i / 2; - } else if (toplay == 'B' && pv.length > 0) { - ret.appendChild(document.createTextNode(move_num + '. … ')); } - for (; i < pv.length; ++i) { + + // The initial move number needs to go before any (TB: …) marker. + if (halfmove_num % 2 == 1) { + // Black move. + ret.appendChild(document.createTextNode((halfmove_num - 1) / 2 + '. … ')); + } else { + // White move. + ret.appendChild(document.createTextNode(halfmove_num / 2 + '. ')); + } + let in_tb = false; + for (let i = 0; i < pv.length; ++i, ++halfmove_num) { let prefix = ''; if (splicepos === i) { - prefix = '(TB: '; + prefix = '(TB:'; in_tb = true; } - if (toplay == 'B' && i == 0) { - ++move_num; - toplay = 'W'; - } else if (toplay == 'W') { + if (halfmove_num % 2 == 0 && i != 0) { if (i > opt_limit && !opt_showlast) { if (in_tb) { prefix += ')'; @@ -775,20 +805,17 @@ function print_pv(line_num, splicepos, opt_limit, opt_showlast) { ret.appendChild(document.createTextNode(prefix + ' (…)')); return ret; } - prefix += ' ' + move_num + '. '; - ++move_num; - toplay = 'B'; + prefix += ' ' + (halfmove_num / 2) + '. '; } else { prefix += ' '; - toplay = 'W'; } ret.appendChild(document.createTextNode(prefix)); let link = document.createElement('a'); link.className = 'move'; - link.setAttribute('id', 'automove' + line_num + '-' + i); + link.setAttribute('id', 'automove' + line_num + '-' + (halfmove_num - start_halfmove_num)); link.textContent = pv[i]; - link.href = 'javascript:show_line(' + line_num + ', ' + i + ');'; + link.href = 'javascript:show_line(' + line_num + ', ' + (halfmove_num - start_halfmove_num) + ');'; ret.appendChild(link); } if (in_tb) { @@ -836,12 +863,23 @@ function collapse_history(truncate_history) { } window['collapse_history'] = collapse_history; -/** Update the HTML display of multi-PV from the global "refutation_lines". +function choose_displayed_refutation_lines() { + if (hash_refutation_lines) { + // If we're in hash exploration, that takes precedence. + return [hash_refutation_lines, hash_refutation_lines_base_fen]; + } else { + let data = displayed_analysis_data || current_analysis_data; + return [data['refutation_lines'], data['position']['fen']]; + } +} + +/** Update the HTML display of multi-PV. * * Also recreates the global "display_lines". */ function update_refutation_lines() { - if (base_fen === null) { + const [refutation_lines, refutation_lines_base_fen] = choose_displayed_refutation_lines(); + if (!refutation_lines) { return; } if (display_lines.length > 2) { @@ -872,7 +910,7 @@ function update_refutation_lines() { moves.push(move); } - let invert = (toplay === 'B'); + let invert = (find_toplay(refutation_lines_base_fen) === 'b'); if (current_display_line && current_display_move % 2 == 0 && !current_display_line_is_history) { invert = !invert; } @@ -909,7 +947,7 @@ function update_refutation_lines() { let pv_td = document.createElement("td"); tr.appendChild(pv_td); pv_td.classList.add("pv"); - pv_td.append(add_pv(base_fen, base_line.concat([ line['move'] ]), move_num, toplay, scores, start_display_move_num)); + pv_td.append(add_pv(refutation_lines_base_fen, base_line.concat([ line['move'] ]), scores, start_display_move_num)); tbl.append(tr); continue; @@ -938,7 +976,7 @@ function update_refutation_lines() { let pv_td = document.createElement("td"); tr.appendChild(pv_td); pv_td.classList.add("pv"); - pv_td.append(add_pv(base_fen, base_line.concat(line['pv']), move_num, toplay, scores, start_display_move_num, 10)); + pv_td.append(add_pv(refutation_lines_base_fen, base_line.concat(line['pv']), scores, start_display_move_num, 10)); tbl.append(tr); } @@ -1090,8 +1128,8 @@ function update_board() { // unconditionally taken from current_data (we're not interested in // historic history). if (current_data['position']['history']) { - let start = (current_data['position'] && current_data['position']['start_fen']) ? current_data['position']['start_fen'] : 'start'; - add_pv(start, current_data['position']['history'], 1, 'W', null, 0, 8, true); + let start = (current_data['position'] && current_data['position']['start_fen']) ? current_data['position']['start_fen'] : 'rnbqkbnr/pppppppp/8/8/8/8/PPPPPPPP/RNBQKBNR w KQkq - 0 1'; + add_pv(start, current_data['position']['history'], null, 0, 8, true); } else { display_lines.push(null); } @@ -1165,18 +1203,19 @@ function update_board() { } else if (data['position']['last_move'] !== 'none') { // Find the previous move. let previous_move_num, previous_toplay; - if (data['position']['toplay'] == 'B') { - previous_move_num = data['position']['move_num']; - previous_toplay = 'W'; + let fen = data['position']['fen']; + if (find_toplay(fen) === 'b') { + previous_move_num = find_move_num(fen); + previous_toplay = 'w'; } else { - previous_move_num = data['position']['move_num'] - 1; - previous_toplay = 'B'; + previous_move_num = find_move_num(fen) - 1; + previous_toplay = 'b'; } last_move = format_move_with_number( data['position']['last_move'], previous_move_num, - previous_toplay == 'W'); + previous_toplay == 'w'); headline += ' after ' + last_move; } else { last_move = null; @@ -1227,7 +1266,6 @@ function update_board() { document.getElementById("refutationlines").replaceChildren(); document.getElementById("whiteclock").replaceChildren(); document.getElementById("blackclock").replaceChildren(); - refutation_lines = []; update_refutation_lines(); clear_arrows(); update_displayed_line(); @@ -1281,7 +1319,7 @@ function update_board() { document.getElementById("searchstats").textContent = ""; } if (admin_password !== null) { - document.getElementById("searchstats").innerHTML += " | ADMIN MODE (if password is right)"; + document.getElementById("searchstats").innerHTML += " | ADMIN MODE (if password is right) | Undo move"; } // Update the board itself. @@ -1292,10 +1330,11 @@ function update_board() { document.getElementById("pvtitle").textContent = "PV:"; let scores = [{ first_move: -1, score: data['score'] }]; - document.getElementById("pv").replaceChildren(add_pv(data['position']['fen'], data['pv'], data['position']['move_num'], data['position']['toplay'], scores, 0)); + document.getElementById("pv").replaceChildren(add_pv(data['position']['fen'], data['pv'], scores, 0)); // Update the PV arrow. clear_arrows(); + let toplay = find_toplay(data['position']['fen']); if (data['pv'].length >= 1) { let hiddenboard = new Chess(base_fen); @@ -1313,7 +1352,7 @@ function update_board() { hiddenboard.move(data['pv'][i + 1]); // To keep continuity. } - let alt_moves = find_nonstupid_moves(data, 30, data['position']['toplay'] === 'B'); + let alt_moves = find_nonstupid_moves(data, 30, toplay === 'b'); for (let i = 1; i < alt_moves.length && i < 3; ++i) { hiddenboard = new Chess(base_fen); let move = patch_move(hiddenboard.move(alt_moves[i])); @@ -1325,7 +1364,7 @@ function update_board() { // See if all semi-reasonable moves have only one possible response. if (data['pv'].length >= 2) { - let nonstupid_moves = find_nonstupid_moves(data, 300, data['position']['toplay'] === 'B'); + let nonstupid_moves = find_nonstupid_moves(data, 300, toplay === 'b'); let hiddenboard = new Chess(base_fen); hiddenboard.move(data['pv'][0]); let response = hiddenboard.move(data['pv'][1]); @@ -1363,11 +1402,7 @@ function update_board() { } } - // Update the refutation lines. base_fen = data['position']['fen']; - move_num = parseInt(data['position']['move_num']); - toplay = data['position']['toplay']; - refutation_lines = hash_refutation_lines || data['refutation_lines']; update_refutation_lines(); // Update the sparkline last, since its size depends on how everything else reflowed. @@ -1386,8 +1421,9 @@ function update_sparkline(data) { } } if (first_move_num !== undefined) { - let last_move_num = data['position']['move_num'] * 2 - 3; - if (data['position']['toplay'] === 'B') { + let fen = data['position']['fen']; + let last_move_num = find_move_num(fen) * 2 - 3; + if (find_toplay(fen) === 'b') { ++last_move_num; } @@ -1609,7 +1645,7 @@ function update_clock() { } /** - * @param {Number} remaining_ms + * @param {number} remaining_ms * @param {boolean} show_seconds */ function format_clock(remaining_ms, show_seconds) { @@ -1635,7 +1671,7 @@ function format_clock(remaining_ms, show_seconds) { } /** - * @param {Number} x + * @param {number} x */ function format_2d(x) { if (x >= 10) { @@ -1647,7 +1683,7 @@ function format_2d(x) { /** * @param {string} move - * @param {Number} move_num Move number of this move. + * @param {number} move_num Move number of this move. * @param {boolean} white_to_play Whether white is to play this move. */ function format_move_with_number(move, move_num, white_to_play) { @@ -1663,7 +1699,7 @@ function format_move_with_number(move, move_num, white_to_play) { /** * @param {string} move - * @param {Number} halfmove_num Half-move number that is to be played, + * @param {number} halfmove_num Half-move number that is to be played, * starting from 0. */ function format_halfmove_with_number(move, halfmove_num) { @@ -1675,7 +1711,7 @@ function format_halfmove_with_number(move, halfmove_num) { /** * @param {Object} data - * @param {Number} halfmove_num + * @param {number} halfmove_num */ function format_tooltip(data, halfmove_num) { if (data['score_history'][halfmove_num + 1] || @@ -1711,15 +1747,6 @@ function format_tooltip(data, halfmove_num) { } } -/** - * @param {boolean} truncate_history - */ -function set_truncate_history(truncate_history) { - truncate_display_history = truncate_history; - update_refutation_lines(); -} -window['set_truncate_history'] = set_truncate_history; - /** * @param {number} line_num * @param {number} move_num @@ -1738,7 +1765,7 @@ function show_line(line_num, move_num) { return; } else { current_display_line = {...display_lines[line_num]}; // Shallow clone. - current_display_move = move_num + current_display_line.start_display_move_num; + current_display_move = move_num; } current_display_line_is_history = (line_num == 0); @@ -1905,7 +1932,7 @@ function update_move_highlight() { display_lines[1].pv = []; } - highlighted_move = document.getElementById("automove" + display_line_num + "-" + (current_display_move - current_display_line.start_display_move_num)); + highlighted_move = document.getElementById("automove" + display_line_num + "-" + current_display_move); if (highlighted_move !== null) { highlighted_move.classList.add('highlight'); } @@ -2054,6 +2081,7 @@ function show_explore_hash_results(data, fen) { } current_hash_display_timer = null; hash_refutation_lines = data['lines']; + hash_refutation_lines_base_fen = fen; update_board(); } @@ -2165,6 +2193,7 @@ function get_best_move(game, source, target, invert) { let best_move = null; let best_move_score = null; + let refutation_lines = choose_displayed_refutation_lines()[0]; for (let move in refutation_lines) { let line = refutation_lines[move]; if (!line['score']) { @@ -2207,6 +2236,51 @@ function onDrop(source, target) { if (move === null) return 'snapback'; } +/** + * If we are in admin mode, send this move to the backend. + * + * @param {string} fen + * @param {string} move + */ +function send_chosen_move(fen, move) { + if (admin_password !== null) { + let history = current_analysis_data['position']['history']; + let url = '/manual-override.pl'; + url += '?fen=' + encodeURIComponent(fen); + url += '&history=' + encodeURIComponent(JSON.stringify(history)); + url += '&move=' + encodeURIComponent(move); + url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']); + url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']); + url += '&password=' + encodeURIComponent(admin_password); + + console.log(fen, history); + fetch(url); // Ignore the result. + } +} + +function undo_move() { + if (admin_password !== null) { + let history = current_analysis_data['position']['history']; + history = history.slice(0, history.length - 1); + + let position = current_analysis_data['position']['start_fen']; + let hiddenboard = chess_from(position, history, history.length); + let fen = hiddenboard.fen(); + + let url = '/manual-override.pl'; + url += '?fen=' + encodeURIComponent(fen); + url += '&history=' + encodeURIComponent(JSON.stringify(history)); + url += '&move=null'; + url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']); + url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']); + url += '&password=' + encodeURIComponent(admin_password); + + console.log(fen, history); + fetch(url); // Ignore the result. + } +} +window['undo_move'] = undo_move; + function onSnapEnd(source, target) { if (source === target && recommended_move !== null) { source = recommended_move.from; @@ -2221,14 +2295,7 @@ function onSnapEnd(source, target) { }); if (admin_password !== null) { - let url = '/manual-override.pl'; - url += '?fen=' + encodeURIComponent(display_fen); - url += '&history=' + encodeURIComponent(JSON.stringify(current_analysis_data['position']['history'])); - url += '&move=' + encodeURIComponent(move.san); - url += '&player_w=' + encodeURIComponent(current_analysis_data['position']['player_w']); - url += '&player_b=' + encodeURIComponent(current_analysis_data['position']['player_b']); - url += '&password=' + encodeURIComponent(admin_password); - fetch(url); + send_chosen_move(display_fen, move.san); return; } @@ -2252,7 +2319,7 @@ function onSnapEnd(source, target) { } let line = display_lines[i]; if (line.pv[line.start_display_move_num] === move.san) { - show_line(i, 0); + show_line(i, line.start_display_move_num); return; } } diff --git a/www/manual-override.pl b/www/manual-override.pl index 616e5ea..23f571f 100755 --- a/www/manual-override.pl +++ b/www/manual-override.pl @@ -20,14 +20,23 @@ if (!defined($password) || $password ne $remoteglotconf::adminpass) { exit; } -$dbh->do('INSERT INTO game_extensions ( fen, history, player_w, player_b, ts, next_move ) VALUES ( ?, ?, ?, ?, CURRENT_TIMESTAMP, ? )', - undef, - Encode::decode_utf8($cgi->param('fen')), - Encode::decode_utf8($cgi->param('history')), - Encode::decode_utf8($cgi->param('player_w')), - Encode::decode_utf8($cgi->param('player_b')), - Encode::decode_utf8($cgi->param('move'))); -system("touch", $remoteglotconf::json_output); +if ($cgi->param('move') eq 'null') { + $dbh->do('DELETE FROM game_extensions WHERE fen=? AND history=? AND player_w=? AND player_b=?', + undef, + Encode::decode_utf8($cgi->param('fen')), + Encode::decode_utf8($cgi->param('history')), + Encode::decode_utf8($cgi->param('player_w')), + Encode::decode_utf8($cgi->param('player_b'))); +} else { + $dbh->do('INSERT INTO game_extensions ( fen, history, player_w, player_b, ts, next_move ) VALUES ( ?, ?, ?, ?, CURRENT_TIMESTAMP, ? )', + undef, + Encode::decode_utf8($cgi->param('fen')), + Encode::decode_utf8($cgi->param('history')), + Encode::decode_utf8($cgi->param('player_w')), + Encode::decode_utf8($cgi->param('player_b')), + Encode::decode_utf8($cgi->param('move'))); +} +system("sudo", "/usr/bin/touch", $remoteglotconf::target); print CGI->header(-type=>'text/plain; charset=utf-8'); print "OK\n";