tasks.php

   1 <?php
   2
   3 #  Copyright (C) 2008  Jason Woofenden
   4 #
   5 #  This program is free software: you can redistribute it and/or modify
   6 #  it under the terms of the GNU Affero General Public License as published by
   7 #  the Free Software Foundation, either version 3 of the License, or
   8 #  (at your option) any later version.
   9 #
  10 #  This program is distributed in the hope that it will be useful,
  11 #  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 #  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 #  GNU Affero General Public License for more details.
  14 #
  15 #  You should have received a copy of the GNU Affero General Public License
  16 #  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17
  18 require_once('code/tasks.php');
  19
  20 $GLOBALS['tasks_form_recipient'] = "fixme@example.com";
  21
  22
  23
  24 require_once('code/wfpl/template.php');
  25 require_once('code/wfpl/format.php');
  26 require_once('code/wfpl/messages.php');
  27 require_once('code/wfpl/email.php');
  28 require_once('code/db_connect.php');
  29
  30 function description_has_fixmes($description) {
  31         return (strpos($description, 'FIXME') !== false);
  32 }
  33
  34 function tasks_get_fields() {
  35         $title = format_oneline($_REQUEST['title']);
  36         $url = format_oneline($_REQUEST['url']);
  37         $description = format_unix($_REQUEST['description']);
  38         $price = format_decimal($_REQUEST['price']);
  39
  40         tasks_tem_sets($title, $url, $description, $price);
  41
  42         return array($title, $url, $description, $price);
  43 }
  44
  45 function tasks_tem_sets($title, $url, $description, $price) {
  46         tem_set('title', $title);
  47         tem_set('url', $url);
  48         tem_set('description', $description);
  49         tem_set('price', $price);
  50 }
  51
  52 function tasks_main() {
  53         if(!logged_in()) {
  54                 $GLOBALS['url'] = this_url();
  55                 return 'login';
  56         }
  57
  58         if(isset($_REQUEST['tasks_id'])) {
  59                 $ret = tasks_display_main();
  60                 if($ret) {
  61                         return $ret;
  62                 }
  63                 tem_show('display_body');
  64         } else {
  65                 $ret = tasks_edit_main();
  66                 if($ret) {
  67                         return $ret;
  68                 }
  69                 tem_show('edit_body');
  70         }
  71
  72         tem_show('main_body');
  73 }
  74
  75 function tasks_display_main() {
  76         $task_id = format_int($_REQUEST['tasks_id']);;
  77         $client_id = logged_in();
  78         if(logged_in_as_contractor()) {
  79                 $row = db_get_row('tasks', 'title,url,description,state,price,client_id,paid,finished_at,tested_at', 'where id=%i', $task_id);
  80         } else {
  81                 $row = db_get_row('tasks', 'title,url,description,state,price,client_id,paid,finished_at,tested_at', 'where id=%i && client_id=%i', $task_id, $client_id);
  82         }
  83         if($row) {
  84                 list($title, $url, $description, $state, $price, $owner_id, $paid, $finished_at, $tested_at) = $row;
  85                 tem_set('task_id', $task_id);
  86                 tem_set('title', $title);
  87                 tem_set('url', $url);
  88                 tem_set('description', $description);
  89                 tem_set('state', task_state_pretty($state));
  90                 tem_set('price', $price);
  91                 if($finished_at) {
  92                         tem_set('finished_at', $finished_at);
  93                         tem_show('finished_at_section');
  94                 }
  95                 if($tested_at) {
  96                         tem_set('tested_at', $tested_at);
  97                         tem_show('tested_at_section');
  98                 }
  99                 if($state == TASK_BUG) {
 100                         tem_show('bug_title');
 101                 } else {
 102                         tem_show('normal_title');
 103                 }
 104                 if(logged_in_as_contractor()) {
 105                         switch($state) {
 106                                 case TASK_DRAFT:
 107                                 case TASK_NEEDS_CLARIFICATION:
 108                                 case TASK_NEEDS_QUOTE:
 109                                 case TASK_BUG:
 110                                         tem_show('normal_edit_link');
 111                                 break;
 112                                 case TASK_NEEDS_GO_AHEAD:
 113                                         tem_show('approve_price_link');
 114                                         tem_show('normal_edit_link');
 115                                         tem_show('price_row');
 116                                 break;
 117                                 case TASK_QUEUED:
 118                                         tem_show('normal_edit_link');
 119                                         tem_show('working_link');
 120                                         tem_show('price_row');
 121                                 break;
 122                                 case TASK_WORKING:
 123                                         tem_show('price_row');
 124                                         tem_show('needs_testing_link');
 125                                 break;
 126                                 case TASK_NEEDS_TESTING:
 127                                         if($owner_id == logged_in()) {
 128                                                 tem_show('finished_link');
 129                                         }
 130                                         # FALL THROUGH
 131                                 case TASK_FINISHED:
 132                                         if($paid) {
 133                                                 tem_show('marked_paid');
 134                                         } else {
 135                                                 tem_show('mark_paid_link');
 136                                         }
 137                                         tem_show('price_row');
 138                                 break;
 139                         }
 140                 } else {
 141                         switch($state) {
 142                                 case TASK_DRAFT:
 143                                 case TASK_NEEDS_CLARIFICATION:
 144                                 case TASK_NEEDS_QUOTE:
 145                                 case TASK_BUG:
 146                                         tem_show('normal_edit_link');
 147                                 break;
 148                                 case TASK_NEEDS_GO_AHEAD:
 149                                         tem_show('price_row');
 150                                         tem_show('approve_price_link');
 151                                         tem_show('normal_edit_link');
 152                                 break;
 153                                 case TASK_QUEUED:
 154                                         tem_show('price_row');
 155                                         tem_show('warning_edit_link');
 156                                 break;
 157                                 case TASK_WORKING:
 158                                         tem_show('price_row');
 159                                 break;
 160                                 case TASK_NEEDS_TESTING:
 161                                         tem_show('price_row');
 162                                         tem_show('finished_link');
 163                                 break;
 164                                 case TASK_FINISHED:
 165                                         tem_show('price_row');
 166                                 break;
 167                         }
 168                 }
 169         } else {
 170                 message("Task #$task_id not found");
 171                 return './';
 172         }
 173 }
 174
 175 define('MAX_PRIORITY', 2000000000);
 176 define('MIN_PRIORITY', 0);
 177 define('MID_PRIORITY', floor((MAX_PRIORITY - MIN_PRIORITY) / 2));
 178
 179 function new_lowest_priority($client_id) {
 180         $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 181         if($lowest_ord === false) {
 182                 return MID_PRIORITY;
 183         }
 184         if($lowest_ord == MIN_PRIORITY) {
 185                 reprioritize_tasks($client_id); # make room
 186                 $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 187         }
 188         return MIN_PRIORITY + floor(($lowest_ord - MIN_PRIORITY) / 2);
 189 }
 190
 191 # keep everything in the same order, but space them out so there's room to squeeze things in anywhere
 192 function reprioritize_tasks($client_id) {
 193         $ids = db_get_column('tasks', 'id', 'where client_id=%i && state=%i order by ord desc, id desc', $client_id, TASK_QUEUED);
 194         $step = floor((MAX_PRIORITY - MIN_PRIORITY) / (count($ids) + 1));
 195         $cur = MAX_PRIORITY;
 196         foreach($ids as $id) {
 197                 $cur -= $step;
 198                 db_update('tasks', 'ord', $cur, 'where id=%i', $id);
 199         }
 200 }
 201
 202
 203 # pass the task id and one of (up,down,top,bottom)
 204 function prioritize_task($id, $change) {
 205         $row = db_get_row('tasks', 'client_id,ord', 'where id=%i', $id);
 206         if(!$row) {
 207                 message('Database error #2242');
 208                 return;
 209         }
 210         list($client_id, $ord) = $row;
 211         switch($change) {
 212                 case 'top':
 213                         list($highest_id, $highest_ord) = db_get_row('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord desc limit 1', $client_id, TASK_QUEUED);
 214                         if($highest_id == $id) {
 215                                 message('Already highest priority');
 216                                 return;
 217                         }
 218
 219                         if($highest_ord == MAX_PRIORITY) {
 220                                 reprioritize_tasks($client_id); # make room
 221                                 $highest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord desc limit 1', $client_id, TASK_QUEUED);
 222                         }
 223
 224                         $new_ord = MAX_PRIORITY - floor((MAX_PRIORITY - $highest_ord) / 2);
 225                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 226                         return;
 227                 case 'bottom':
 228                         list($lowest_id, $lowest_ord) = db_get_row('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 229                         if($lowest_id == $id) {
 230                                 message('Already lowest priority');
 231                                 return $lowest_ord;
 232                         }
 233
 234                         if($lowest_ord == MIN_PRIORITY) {
 235                                 reprioritize_tasks($client_id); # make room
 236                                 $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 237                         }
 238
 239                         $new_ord = MIN_PRIORITY + floor(($lowest_ord - MIN_PRIORITY) / 2);
 240                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 241                         return;
 242                 case 'up':
 243                 case 'down':
 244                         if($change == 'up') {
 245                                 $rows = db_get_rows('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord desc, id desc', $client_id, TASK_QUEUED);
 246                                 if($rows[0][0] == $id) {
 247                                         message('Already highest priority');
 248                                         return;
 249                                 }
 250                                 if($rows[1][0] == $id) {
 251                                         prioritize_task($id, 'top');
 252                                         return;
 253                                 }
 254                         } else {
 255                                 $rows = db_get_rows('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord asc, id asc', $client_id, TASK_QUEUED);
 256                                 if($rows[0][0] == $id) {
 257                                         message('Already lowest priority');
 258                                         return;
 259                                 }
 260                                 if($rows[1][0] == $id) {
 261                                         prioritize_task($id, 'bottom');
 262                                         return;
 263                                 }
 264                         }
 265                         # find the one we're moving
 266                         $cur_index = 0;
 267                         $done = count($rows);
 268                         for($i = 2; $i < $done ; ++$i) {
 269                                 if($rows[$i][0] == $id) {
 270                                         $cur_index = $i;
 271                                         break;
 272                                 }
 273                         }
 274                         $before_ord = $rows[$cur_index - 1][1];
 275                         $before_before_ord = $rows[$cur_index - 2][1];
 276                         if(abs($before_before_ord - $before_ord) < 2) {
 277                                 reprioritize_tasks($client_id);
 278                                 $before_ord = db_get_value('tasks', 'ord', 'where id=%i', $rows[$cur_index - 1][0]);
 279                                 $before_before_ord = db_get_value('tasks', 'ord', 'where id=%i', $rows[$cur_index - 2][0]);
 280                                 if($before_before_ord == $before_ord) {
 281                                         message('Programmer error #8592');
 282                                         return;
 283                                 }
 284                         }
 285                         $new_ord = $before_ord + floor(($before_before_ord - $before_ord) / 2);
 286                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 287                         return;
 288                 default:
 289                         message('invalid change');
 290                         return;
 291         }
 292
 293 }
 294
 295 function tasks_edit_main() {
 296         $state = TASK_DRAFT; # will be overwritten
 297         $client_id = logged_in(); # fixed shortly if we're contractor
 298         $edit_id = format_int($_REQUEST['tasks_edit_id']);
 299         unset($_REQUEST['tasks_edit_id']);
 300         if($edit_id) {
 301                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $edit_id);
 302                 if(logged_in_as_contractor()) {
 303                         $client_id = $owner;
 304                 } elseif($owner != $client_id) {
 305                         message('Sorry, that task was entered by/for another client.');
 306                         return './';
 307                 }
 308
 309                 # add hidden field for database id of row we're editing
 310                 tem_set('tasks_edit_id', $edit_id);
 311                 tem_show('editing');
 312
 313                 $state = db_get_value('tasks', 'state', 'where id=%i', $edit_id);
 314         }
 315
 316         if(isset($_REQUEST['bump'])) {
 317                 switch($_REQUEST['bump']) {
 318                         case 'up':
 319                         case 'down':
 320                         case 'top':
 321                         case 'bottom':
 322                                 prioritize_task($edit_id, $_REQUEST['bump']);
 323                                 return './';
 324                 }
 325         }
 326
 327         if(isset($_REQUEST['tasks_new_bug'])) {
 328                 $state = TASK_BUG;
 329         }
 330
 331         if(isset($_REQUEST['tasks_mark_paid_id'])) {
 332                 if(!logged_in_as_contractor()) {
 333                         message("Error: only Jason can mark tasks as paid.");
 334                         return './';
 335                 }
 336                 $id = $_REQUEST['tasks_mark_paid_id'];
 337                 db_update('tasks', 'paid', 1, 'where id=%i', $id);
 338                 message('Marked as paid.');
 339                 return './';
 340         }
 341
 342         if(isset($_REQUEST['tasks_approve_price_id'])) {
 343                 $id = $_REQUEST['tasks_approve_price_id'];
 344                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $id);
 345                 if(logged_in() != $owner) {
 346                         message("Error: can't approve a task entered by/for another client.");
 347                         return './';
 348                 }
 349                 $ord = new_lowest_priority($owner);
 350                 db_update('tasks', 'state,ord', TASK_QUEUED, $ord, 'where id=%i', $id);
 351                 message('Price approved.');
 352                 return './';
 353         }
 354
 355         if(isset($_REQUEST['tasks_working_id'])) {
 356                 $id = $_REQUEST['tasks_working_id'];
 357                 if(!logged_in_as_contractor()) {
 358                         message("Error: only Jason can say what he's working on.");
 359                         return './';
 360                 }
 361                 db_update('tasks', 'state', TASK_WORKING, 'where id=%i', $id);
 362                 message('Task marked as "in progress".');
 363                 return './tasks?tasks_id=' . $id;
 364         }
 365
 366         if(isset($_REQUEST['tasks_needs_testing_id'])) {
 367                 $id = $_REQUEST['tasks_needs_testing_id'];
 368                 if(!logged_in_as_contractor()) {
 369                         message("Error: only Jason can say when he's done.");
 370                         return './';
 371                 }
 372                 db_update('tasks', 'state,finished_at', TASK_NEEDS_TESTING, date('Y-m-d'), 'where id=%i', $id);
 373                 message('Task awaits testing.');
 374                 return './';
 375         }
 376
 377         if(isset($_REQUEST['tasks_finished_id'])) {
 378                 $id = $_REQUEST['tasks_finished_id'];
 379                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $id);;
 380                 if(logged_in() != $owner) {
 381                         message("Error: can't test a task entered by/for another client.");
 382                         return './';
 383                 }
 384                 db_update('tasks', 'state,tested_at', TASK_FINISHED, date('Y-m-d'), 'where id=%i', $id);
 385                 message('Task marked as finished.');
 386                 # FIXME also mark it as paid if client's balance can cover it
 387                 return './';
 388         }
 389
 390         $delete_id = format_int($_REQUEST['tasks_delete_id']);
 391         unset($_REQUEST['tasks_delete_id']);
 392         if($delete_id) {
 393                 db_delete('tasks', 'where id=%i', $delete_id);
 394                 message('Task deleted.');
 395
 396                 return './tasks.html';
 397         }
 398
 399         if(isset($_REQUEST['title'])) {
 400                 list($title, $url, $description, $price) = tasks_get_fields();
 401                 $queuing = false;
 402
 403                 # FIXME
 404                 if(isset($_REQUEST['save_draft'])) {
 405                         $state = TASK_DRAFT;
 406                 } elseif(isset($_REQUEST['save_bug'])) {
 407                         $state = TASK_BUG;
 408                 } elseif(isset($_REQUEST['save_price_no_tiny']) && logged_in_as_contractor()) {
 409                         $state = TASK_NEEDS_GO_AHEAD;
 410                 } elseif(isset($_REQUEST['save_price']) && logged_in_as_contractor()) {
 411                         $tiny_agreement = db_get_value('people', 'tiny_agreement', 'where id=%i', $client_id);
 412                         if($price <= $tiny_agreement) {
 413                                 $state = TASK_QUEUED;
 414                                 $queuing = true;
 415                         } else {
 416                                 $state = TASK_NEEDS_GO_AHEAD;
 417                         }
 418                 } elseif(isset($_REQUEST['needs_clarification'])) {
 419                         $state = TASK_NEEDS_CLARIFICATION;
 420                 } else { # better be "request_price"
 421                         if(description_has_fixmes($description)) {
 422                                 $state = TASK_NEEDS_CLARIFICATION;
 423                                 message('The description is not ready to be priced yet because it still contains at least one "FIXME".');
 424                         } else {
 425                                 $state = TASK_NEEDS_QUOTE;
 426                         }
 427                 }
 428
 429                 if(!logged_in_as_contractor() || $_REQUEST['client_id']) { # if you change this change the one above
 430                         if($edit_id) {
 431                                 $tables = 'title,url,description,state';
 432                                 $values = array($title, $url, $description, $state);
 433                                 if(isset($_REQUEST['price']) && logged_in_as_contractor()) {
 434                                         $tables .= ',price';
 435                                         array_push($values, $price);
 436                                 }
 437                                 if($queuing) {
 438                                         $client_id = db_get_value('tasks', 'client_id', 'where id=%i', $edit_id);
 439                                         $tables .= ',ord';
 440                                         array_push($values, new_lowest_priority($client_id));
 441                                 }
 442                                 db_update('tasks', $tables, $values, 'where id=%i', $edit_id);
 443                                 message('Task updated.');
 444                         } else {
 445                                 # new task
 446                                 $paid = 0;
 447                                 $client_id = logged_in();
 448                                 if(logged_in_as_contractor() && $_REQUEST['client_id']) {
 449                                         $client_id = format_int($_REQUEST['client_id']);
 450                                         $client_name = db_get_value('people', 'name', 'where id=%i', $client_id);
 451                                 } else {
 452                                         # if client entered the task, no price is set
 453                                         $price = 0;
 454                                 }
 455                                 if($state == TASK_QUEUED) {
 456                                         $ord = new_lowest_priority($client_id);
 457                                 } else {
 458                                         $ord = 0;
 459                                 }
 460                                 db_insert('tasks', 'client_id,title,url,description,state,paid,price,ord', $client_id, $title, $url, $description, $state, $paid, $price, $ord);
 461                                 if(logged_in_as_contractor()) {
 462                                         message("Task saved for $client_name.");
 463                                 } else {
 464                                         message('Task saved.');
 465                                 }
 466                         }
 467                         if($GLOBALS['tasks_form_recipient'] != "fixme@example.com") {
 468                                 $to = $GLOBALS['tasks_form_recipient'];
 469                                 $from = $to;
 470                                 $reply_to = '';
 471                                 if(isset($_REQUEST['email']) and valid_email($_REQUEST['email'])) {
 472                                         $reply_to = $_REQUEST['email'];
 473                                         if($_REQUEST['name'] and ereg('^[a-zA-Z0-9_\' -]*$', $_REQUEST['name']) !== false) {
 474                                                 $reply_to = "$_REQUEST[name] <$reply_to>";
 475                                         }
 476                                 }
 477                                 $subject = 'tasks form submitted';
 478                                 $message = tem_run('tasks.email.txt');
 479                                 $cc = '';
 480                                 $bcc = '';
 481                                 if(email($from, $to, $subject, $message, $reply_to, $cc, $bcc)) {
 482                                         message('Due to an internal error, your message could not be sent. Please try again later.');
 483                                         $error = true;
 484                                 }
 485                         }
 486                         if($error !== true) {
 487                                 return './';
 488                         }
 489                 } else {
 490                         message('Error: you must select a client for the task');
 491                 }
 492                 # otherwise, we display the form again. tasks_get_fields() has
 493                 # already put the posted values back into the template engine, so they will
 494                 # show up in the form fields. You should add some message asking people to
 495                 # fix their entry in whatever way you require.
 496         } elseif($edit_id) {
 497                 # we've recieved an edit id, but no data. So we grab the values to be edited from the database
 498                 list($title, $url, $description, $state, $paid) = db_get_row('tasks', 'title,url,description,state,price', 'where id=%i', $edit_id);
 499                 tasks_tem_sets($title, $url, $description, $price);
 500         } else {
 501                 # form not submitted, you can set default values like so:
 502                 #tem_set('client_id', 'Yes');
 503         }
 504
 505         # display header
 506         if($edit_id) {
 507                 tem_show('edit_msg');
 508         } elseif($state == TASK_BUG) {
 509                 tem_show('bug_msg');
 510         } else {
 511                 tem_show('new_msg');
 512                 if(logged_in_as_contractor()) {
 513                         pulldown('client_id', db_get_rows('people', 'id,name', 'where id > 1'), PULLDOWN_2D);
 514                         tem_set('client_id', format_int($_REQUEST['client_id']));
 515                         tem_show('client_row');
 516                 }
 517         }
 518
 519         # display instructions
 520         if($state == TASK_BUG) {
 521                 tem_show('bug_instructions');
 522                 if(logged_in_as_contractor()) {
 523                         tem_show('price_field');
 524                         tem_show('contractor_submits');
 525                 } else {
 526                         tem_show('bug_submit');
 527                 }
 528         } elseif($state == TASK_NEEDS_QUOTE && logged_in_as_contractor()) {
 529                 tem_show('set_price_instructions');
 530                 tem_show('price_field');
 531                 tem_show('contractor_submits');
 532         } else {
 533                 if(description_has_fixmes($description)) {
 534                         tem_show('fixme_instructions');
 535                 } else {
 536                         tem_show('normal_instructions');
 537                 }
 538                 if(logged_in_as_contractor()) {
 539                         tem_show('contractor_submits');
 540                         switch($state) {
 541                                 case TASK_DRAFT:
 542                                 case TASK_NEEDS_CLARIFICATION:
 543                                 case TASK_NEEDS_QUOTE:
 544                                 case TASK_NEEDS_GO_AHEAD:
 545                                 case TASK_QUEUED:
 546                                 case TASK_BUG:
 547                                 tem_show('price_field');
 548                         }
 549                 } else {
 550                         tem_show('normal_submits');
 551                 }
 552         }
 553 }
 554
 555 ?>