Default page

Edit File: api.php

<?php
header('Content-Type: application/json; charset=UTF-8');

$action = $_GET['action'] ?? '';
$input  = json_decode(file_get_contents('php://input'), true) ?: [];

try {
  switch ($action) {
    case 'list_boards':   echo json_encode(['boards'=> list_boards()]); break;
    case 'create_board':  require_fields($input, ['title']); echo json_encode(create_board($input['title'])); break;
    case 'rename_board':  require_fields($input, ['id','title']); echo json_encode(rename_board($input['id'],$input['title'])); break;
    case 'delete_board':  require_fields($input, ['id']); echo json_encode(delete_board($input['id'])); break;
    case 'get_board':     require_fields($input, ['id']); echo json_encode(['board'=> get_board($input['id'])]); break;

case 'add_list':      require_fields($input, ['board_id','title']); echo json_encode(add_list($input['board_id'],$input['title'])); break;
    case 'rename_list':   require_fields($input, ['board_id','list_id','title']); echo json_encode(rename_list($input['board_id'],$input['list_id'],$input['title'])); break;
    case 'delete_list':   require_fields($input, ['board_id','list_id']); echo json_encode(delete_list($input['board_id'],$input['list_id'])); break;

case 'add_card':      require_fields($input, ['board_id','list_id','title']); echo json_encode(add_card($input['board_id'],$input['list_id'],$input['title'],$input['desc']??'')); break;
    case 'update_card':   require_fields($input, ['board_id','card_id']); echo json_encode(update_card($input['board_id'],$input['card_id'],$input['title']??null,$input['desc']??null)); break;
    case 'delete_card':   require_fields($input, ['board_id','card_id']); echo json_encode(delete_card($input['board_id'],$input['card_id'])); break;
    case 'move_card':     require_fields($input, ['board_id','card_id','to_list_id','position']); echo json_encode(move_card($input['board_id'],$input['card_id'],$input['to_list_id'], (int)$input['position'])); break;

default: http_response_code(400); echo json_encode(['error'=>'Unknown action']); 
  }
} catch (Throwable $e) {
  http_response_code(500);
  echo json_encode(['error'=>$e->getMessage()]);
}

/* ===== Storage helpers ===== */
function boards_dir(){ $d=__DIR__.'/storage/boards'; if(!is_dir($d)) @mkdir($d, 0700, true); return $d; }
function index_path(){ return boards_dir().'/_index.json'; }
function board_path($id){ return boards_dir().'/'.$id.'.json'; }
function uuid4(){
  $d = random_bytes(16);
  $d[6] = chr((ord($d[6]) & 0x0f) | 0x40);
  $d[8] = chr((ord($d[8]) & 0x3f) | 0x80);
  $hex = bin2hex($d);
  return vsprintf('%s%s-%s-%s-%s-%s%s%s', str_split($hex, 4));
}
function now(){ return date('c'); }
function read_json($path, $def){ return file_exists($path) ? (json_decode(file_get_contents($path), true) ?: $def) : $def; }
function write_json($path, $data){ file_put_contents($path, json_encode($data, JSON_UNESCAPED_UNICODE|JSON_PRETTY_PRINT), LOCK_EX); }

/* ===== API: boards ===== */
function list_boards(){
  $idx = read_json(index_path(), ['boards'=>[]]);
  // sort by updated desc
  usort($idx['boards'], function($a,$b){
    return strcmp($b['updated'] ?? $b['created'] ?? '', $a['updated'] ?? $a['created'] ?? '');
  });
  return $idx['boards'];
}
function create_board($title){
  $title = trim($title) ?: 'Непоименуван борд';
  $id = uuid4();
  $now = now();
  $idx = read_json(index_path(), ['boards'=>[]]);
  $idx['boards'][] = ['id'=>$id,'title'=>$title,'created'=>$now,'updated'=>$now];
  write_json(index_path(), $idx);

$board = [
    'id'=>$id, 'title'=>$title, 'created'=>$now, 'updated'=>$now,
    'lists'=>[
      ['id'=>uuid4(),'title'=>'To Do','cards'=>[]],
      ['id'=>uuid4(),'title'=>'In Progress','cards'=>[]],
      ['id'=>uuid4(),'title'=>'Done','cards'=>[]],
    ],
  ];
  write_json(board_path($id), $board);
  return ['ok'=>true, 'id'=>$id];
}
function rename_board($id, $title){
  $idx = read_json(index_path(), ['boards'=>[]]);
  foreach($idx['boards'] as &$b){
    if($b['id']===$id){ $b['title']=trim($title)?:$b['title']; $b['updated']=now(); break; }
  }
  write_json(index_path(), $idx);
  $board = get_board($id);
  $board['title'] = trim($title) ?: $board['title'];
  $board['updated'] = now();
  write_json(board_path($id), $board);
  return ['ok'=>true];
}
function delete_board($id){
  $idx = read_json(index_path(), ['boards'=>[]]);
  $idx['boards'] = array_values(array_filter($idx['boards'], fn($b)=>$b['id']!==$id));
  write_json(index_path(), $idx);
  $p = board_path($id);
  if(file_exists($p)) @unlink($p);
  return ['ok'=>true];
}
function get_board($id){
  $p = board_path($id);
  $board = read_json($p, null);
  if(!$board){ throw new RuntimeException('Board not found'); }
  return $board;
}

/* ===== API: lists ===== */
function add_list($board_id, $title){
  $b = get_board($board_id);
  $b['lists'][] = ['id'=>uuid4(),'title'=>trim($title)?:'List','cards'=>[]];
  $b['updated'] = now();
  write_json(board_path($board_id), $b);
  bump_index($board_id);
  return ['ok'=>true];
}
function rename_list($board_id, $list_id, $title){
  $b = get_board($board_id);
  foreach($b['lists'] as &$l){ if($l['id']===$list_id){ $l['title']=trim($title)?:$l['title']; break; } }
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}
function delete_list($board_id, $list_id){
  $b = get_board($board_id);
  $b['lists'] = array_values(array_filter($b['lists'], fn($l)=>$l['id']!==$list_id));
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}

/* ===== API: cards ===== */
function add_card($board_id, $list_id, $title, $desc){
  $b = get_board($board_id);
  foreach($b['lists'] as &$l){
    if($l['id']===$list_id){
      $l['cards'][] = ['id'=>uuid4(),'title'=>trim($title)?:'Card','desc'=>trim($desc??''),'created'=>now(),'updated'=>now()];
      break;
    }
  }
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}
function update_card($board_id, $card_id, $title=null, $desc=null){
  $b = get_board($board_id);
  foreach($b['lists'] as &$l){
    foreach($l['cards'] as &$c){
      if($c['id']===$card_id){
        if($title!==null) $c['title']=trim($title)?:$c['title'];
        if($desc!==null)  $c['desc']=trim($desc);
        $c['updated']=now();
        break 2;
      }
    }
  }
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}
function delete_card($board_id, $card_id){
  $b = get_board($board_id);
  foreach($b['lists'] as &$l){
    $l['cards'] = array_values(array_filter($l['cards'], fn($c)=>$c['id']!==$card_id));
  }
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}
function move_card($board_id, $card_id, $to_list_id, $position){
  $b = get_board($board_id);
  $card = null;
  // remove from current list
  foreach($b['lists'] as &$l){
    foreach($l['cards'] as $i=>$c){
      if($c['id']===$card_id){
        $card = $c;
        array_splice($l['cards'], $i, 1);
        break 2;
      }
    }
  }
  if(!$card) throw new RuntimeException('Card not found');
  // add to target list at position
  foreach($b['lists'] as &$l){
    if($l['id']===$to_list_id){
      $position = max(0, min((int)$position, count($l['cards'])));
      array_splice($l['cards'], $position, 0, [$card]);
      break;
    }
  }
  $b['updated']=now(); write_json(board_path($board_id), $b); bump_index($board_id); return ['ok'=>true];
}

/* ===== Misc ===== */
function bump_index($id){
  $idx = read_json(index_path(), ['boards'=>[]]);
  foreach($idx['boards'] as &$b){ if($b['id']===$id){ $b['updated']=now(); break; } }
  write_json(index_path(), $idx);
}
function require_fields($arr, $keys){
  foreach($keys as $k){ if(!array_key_exists($k, $arr)){ http_response_code(400); echo json_encode(['error'=>"Missing $k"]); exit; } }
}