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_BUG:
 145                                 case TASK_ON_HOLD:
 146                                         tem_show('normal_edit_link');
 147                                 break;
 148                                 case TASK_NEEDS_QUOTE:
 149                                         tem_show('hold_link');
 150                                         tem_show('normal_edit_link');
 151                                 break;
 152                                 case TASK_NEEDS_GO_AHEAD:
 153                                         tem_show('price_row');
 154                                         tem_show('approve_price_link');
 155                                         tem_show('normal_edit_link');
 156                                 break;
 157                                 case TASK_QUEUED:
 158                                         tem_show('price_row');
 159                                         tem_show('warning_edit_link');
 160                                         tem_show('hold_link');
 161                                 break;
 162                                 case TASK_WORKING:
 163                                         tem_show('price_row');
 164                                 break;
 165                                 case TASK_NEEDS_TESTING:
 166                                         tem_show('price_row');
 167                                         tem_show('finished_link');
 168                                 break;
 169                                 case TASK_FINISHED:
 170                                         tem_show('price_row');
 171                                 break;
 172                         }
 173                 }
 174         } else {
 175                 message("Task #$task_id not found");
 176                 return './';
 177         }
 178 }
 179
 180 define('MAX_PRIORITY', 2000000000);
 181 define('MIN_PRIORITY', 0);
 182 define('MID_PRIORITY', floor((MAX_PRIORITY - MIN_PRIORITY) / 2));
 183
 184 function new_lowest_priority($client_id) {
 185         $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 186         if($lowest_ord === false) {
 187                 return MID_PRIORITY;
 188         }
 189         if($lowest_ord == MIN_PRIORITY) {
 190                 reprioritize_tasks($client_id); # make room
 191                 $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 192         }
 193         return MIN_PRIORITY + floor(($lowest_ord - MIN_PRIORITY) / 2);
 194 }
 195
 196 # keep everything in the same order, but space them out so there's room to squeeze things in anywhere
 197 function reprioritize_tasks($client_id) {
 198         $ids = db_get_column('tasks', 'id', 'where client_id=%i && state=%i order by ord desc, id desc', $client_id, TASK_QUEUED);
 199         $step = floor((MAX_PRIORITY - MIN_PRIORITY) / (count($ids) + 1));
 200         $cur = MAX_PRIORITY;
 201         foreach($ids as $id) {
 202                 $cur -= $step;
 203                 db_update('tasks', 'ord', $cur, 'where id=%i', $id);
 204         }
 205 }
 206
 207
 208 # pass the task id and one of (up,down,top,bottom)
 209 function prioritize_task($id, $change) {
 210         $row = db_get_row('tasks', 'client_id,ord', 'where id=%i', $id);
 211         if(!$row) {
 212                 message('Database error #2242');
 213                 return;
 214         }
 215         list($client_id, $ord) = $row;
 216         switch($change) {
 217                 case 'top':
 218                         list($highest_id, $highest_ord) = db_get_row('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord desc limit 1', $client_id, TASK_QUEUED);
 219                         if($highest_id == $id) {
 220                                 message('Already highest priority');
 221                                 return;
 222                         }
 223
 224                         if($highest_ord == MAX_PRIORITY) {
 225                                 reprioritize_tasks($client_id); # make room
 226                                 $highest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord desc limit 1', $client_id, TASK_QUEUED);
 227                         }
 228
 229                         $new_ord = MAX_PRIORITY - floor((MAX_PRIORITY - $highest_ord) / 2);
 230                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 231                         return;
 232                 case 'bottom':
 233                         list($lowest_id, $lowest_ord) = db_get_row('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 234                         if($lowest_id == $id) {
 235                                 message('Already lowest priority');
 236                                 return $lowest_ord;
 237                         }
 238
 239                         if($lowest_ord == MIN_PRIORITY) {
 240                                 reprioritize_tasks($client_id); # make room
 241                                 $lowest_ord = db_get_value('tasks', 'ord', 'where client_id=%i && state=%i order by ord asc limit 1', $client_id, TASK_QUEUED);
 242                         }
 243
 244                         $new_ord = MIN_PRIORITY + floor(($lowest_ord - MIN_PRIORITY) / 2);
 245                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 246                         return;
 247                 case 'up':
 248                 case 'down':
 249                         if($change == 'up') {
 250                                 $rows = db_get_rows('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord desc, id desc', $client_id, TASK_QUEUED);
 251                                 if($rows[0][0] == $id) {
 252                                         message('Already highest priority');
 253                                         return;
 254                                 }
 255                                 if($rows[1][0] == $id) {
 256                                         prioritize_task($id, 'top');
 257                                         return;
 258                                 }
 259                         } else {
 260                                 $rows = db_get_rows('tasks', 'id,ord', 'where client_id=%i && state=%i order by ord asc, id asc', $client_id, TASK_QUEUED);
 261                                 if($rows[0][0] == $id) {
 262                                         message('Already lowest priority');
 263                                         return;
 264                                 }
 265                                 if($rows[1][0] == $id) {
 266                                         prioritize_task($id, 'bottom');
 267                                         return;
 268                                 }
 269                         }
 270                         # find the one we're moving
 271                         $cur_index = 0;
 272                         $done = count($rows);
 273                         for($i = 2; $i < $done ; ++$i) {
 274                                 if($rows[$i][0] == $id) {
 275                                         $cur_index = $i;
 276                                         break;
 277                                 }
 278                         }
 279                         $before_ord = $rows[$cur_index - 1][1];
 280                         $before_before_ord = $rows[$cur_index - 2][1];
 281                         if(abs($before_before_ord - $before_ord) < 2) {
 282                                 reprioritize_tasks($client_id);
 283                                 $before_ord = db_get_value('tasks', 'ord', 'where id=%i', $rows[$cur_index - 1][0]);
 284                                 $before_before_ord = db_get_value('tasks', 'ord', 'where id=%i', $rows[$cur_index - 2][0]);
 285                                 if($before_before_ord == $before_ord) {
 286                                         message('Programmer error #8592');
 287                                         return;
 288                                 }
 289                         }
 290                         $new_ord = $before_ord + floor(($before_before_ord - $before_ord) / 2);
 291                         db_update('tasks', 'ord', $new_ord, 'where id=%i', $id);
 292                         return;
 293                 default:
 294                         message('invalid change');
 295                         return;
 296         }
 297
 298 }
 299
 300 function tasks_edit_main() {
 301         $state = TASK_DRAFT; # will be overwritten
 302         $client_id = logged_in(); # fixed shortly if we're contractor
 303         $edit_id = format_int($_REQUEST['tasks_edit_id']);
 304         unset($_REQUEST['tasks_edit_id']);
 305         if($edit_id) {
 306                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $edit_id);
 307                 if(logged_in_as_contractor()) {
 308                         $client_id = $owner;
 309                 } elseif($owner != $client_id) {
 310                         message('Sorry, that task was entered by/for another client.');
 311                         return './';
 312                 }
 313
 314                 # add hidden field for database id of row we're editing
 315                 tem_set('tasks_edit_id', $edit_id);
 316                 tem_show('editing');
 317
 318                 $state = db_get_value('tasks', 'state', 'where id=%i', $edit_id);
 319         }
 320
 321         if(isset($_REQUEST['bump'])) {
 322                 switch($_REQUEST['bump']) {
 323                         case 'up':
 324                         case 'down':
 325                         case 'top':
 326                         case 'bottom':
 327                                 prioritize_task($edit_id, $_REQUEST['bump']);
 328                                 return './';
 329                 }
 330         }
 331
 332         if(isset($_REQUEST['tasks_new_bug'])) {
 333                 $state = TASK_BUG;
 334         }
 335
 336         if(isset($_REQUEST['tasks_hold_id'])) {
 337                 $id = $_REQUEST['tasks_hold_id'];
 338                 db_update('tasks', 'state', TASK_ON_HOLD, 'where id=%i', $id);
 339                 message("Task removed from Jason's to-do list.");
 340                 return './';
 341         }
 342
 343         if(isset($_REQUEST['tasks_mark_paid_id'])) {
 344                 if(!logged_in_as_contractor()) {
 345                         message("Error: only Jason can mark tasks as paid.");
 346                         return './';
 347                 }
 348                 $id = $_REQUEST['tasks_mark_paid_id'];
 349                 db_update('tasks', 'paid', 1, 'where id=%i', $id);
 350                 message('Marked as paid.');
 351                 return './';
 352         }
 353
 354         if(isset($_REQUEST['tasks_approve_price_id'])) {
 355                 $id = $_REQUEST['tasks_approve_price_id'];
 356                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $id);
 357                 if(logged_in() != $owner) {
 358                         message("Error: can't approve a task entered by/for another client.");
 359                         return './';
 360                 }
 361                 $ord = new_lowest_priority($owner);
 362                 db_update('tasks', 'state,ord', TASK_QUEUED, $ord, 'where id=%i', $id);
 363                 message('Price approved.');
 364                 return './';
 365         }
 366
 367         if(isset($_REQUEST['tasks_working_id'])) {
 368                 $id = $_REQUEST['tasks_working_id'];
 369                 if(!logged_in_as_contractor()) {
 370                         message("Error: only Jason can say what he's working on.");
 371                         return './';
 372                 }
 373                 db_update('tasks', 'state', TASK_WORKING, 'where id=%i', $id);
 374                 message('Task marked as "in progress".');
 375                 return './tasks?tasks_id=' . $id;
 376         }
 377
 378         if(isset($_REQUEST['tasks_needs_testing_id'])) {
 379                 $id = $_REQUEST['tasks_needs_testing_id'];
 380                 if(!logged_in_as_contractor()) {
 381                         message("Error: only Jason can say when he's done.");
 382                         return './';
 383                 }
 384                 db_update('tasks', 'state,finished_at', TASK_NEEDS_TESTING, date('Y-m-d'), 'where id=%i', $id);
 385                 message('Task awaits testing.');
 386                 return './';
 387         }
 388
 389         if(isset($_REQUEST['tasks_finished_id'])) {
 390                 $id = $_REQUEST['tasks_finished_id'];
 391                 $owner = db_get_value('tasks', 'client_id', 'where id=%i', $id);;
 392                 if(logged_in() != $owner) {
 393                         message("Error: can't test a task entered by/for another client.");
 394                         return './';
 395                 }
 396                 db_update('tasks', 'state,tested_at', TASK_FINISHED, date('Y-m-d'), 'where id=%i', $id);
 397                 message('Task marked as finished.');
 398                 # FIXME also mark it as paid if client's balance can cover it
 399                 return './';
 400         }
 401
 402         $delete_id = format_int($_REQUEST['tasks_delete_id']);
 403         unset($_REQUEST['tasks_delete_id']);
 404         if($delete_id) {
 405                 db_delete('tasks', 'where id=%i', $delete_id);
 406                 message('Task deleted.');
 407
 408                 return './tasks.html';
 409         }
 410
 411         if(isset($_REQUEST['title'])) {
 412                 list($title, $url, $description, $price) = tasks_get_fields();
 413                 $queuing = false;
 414
 415                 # FIXME
 416                 if(isset($_REQUEST['save_draft'])) {
 417                         $state = TASK_DRAFT;
 418                 } elseif(isset($_REQUEST['save_bug'])) {
 419                         $state = TASK_BUG;
 420                 } elseif(isset($_REQUEST['save_price_no_tiny']) && logged_in_as_contractor()) {
 421                         $state = TASK_NEEDS_GO_AHEAD;
 422                 } elseif(isset($_REQUEST['save_price']) && logged_in_as_contractor()) {
 423                         $tiny_agreement = db_get_value('people', 'tiny_agreement', 'where id=%i', $client_id);
 424                         if($price <= $tiny_agreement) {
 425                                 $state = TASK_QUEUED;
 426                                 $queuing = true;
 427                         } else {
 428                                 $state = TASK_NEEDS_GO_AHEAD;
 429                         }
 430                 } elseif(isset($_REQUEST['needs_clarification'])) {
 431                         $state = TASK_NEEDS_CLARIFICATION;
 432                 } else { # better be "request_price"
 433                         if(description_has_fixmes($description)) {
 434                                 $state = TASK_NEEDS_CLARIFICATION;
 435                                 message("Error: Not requesting price. To get this task priced, you'll need to edit the description so it no longer contains \"FIXME\".");
 436                         } else {
 437                                 $state = TASK_NEEDS_QUOTE;
 438                         }
 439                 }
 440
 441                 if(!logged_in_as_contractor() || $edit_id || $_REQUEST['client_id']) {
 442                         if($edit_id) {
 443                                 $tables = 'title,url,description,state';
 444                                 $values = array($title, $url, $description, $state);
 445                                 if(isset($_REQUEST['price']) && logged_in_as_contractor()) {
 446                                         $tables .= ',price';
 447                                         array_push($values, $price);
 448                                 }
 449                                 if($queuing) {
 450                                         $client_id = db_get_value('tasks', 'client_id', 'where id=%i', $edit_id);
 451                                         $tables .= ',ord';
 452                                         array_push($values, new_lowest_priority($client_id));
 453                                 }
 454                                 db_update('tasks', $tables, $values, 'where id=%i', $edit_id);
 455                                 message('Changes saved.');
 456                         } else {
 457                                 # new task
 458                                 $paid = 0;
 459                                 $client_id = logged_in();
 460                                 if(logged_in_as_contractor() && $_REQUEST['client_id']) {
 461                                         $client_id = format_int($_REQUEST['client_id']);
 462                                         $client_name = db_get_value('people', 'name', 'where id=%i', $client_id);
 463                                 } else {
 464                                         # if client entered the task, no price is set
 465                                         $price = 0;
 466                                 }
 467                                 if($state == TASK_QUEUED) {
 468                                         $ord = new_lowest_priority($client_id);
 469                                 } else {
 470                                         $ord = 0;
 471                                 }
 472                                 db_insert('tasks', 'client_id,title,url,description,state,paid,price,ord', $client_id, $title, $url, $description, $state, $paid, $price, $ord);
 473                                 if(logged_in_as_contractor()) {
 474                                         message("Task saved for $client_name.");
 475                                 } else {
 476                                         message('Task saved.');
 477                                 }
 478                         }
 479                         if($GLOBALS['tasks_form_recipient'] != "fixme@example.com") {
 480                                 $to = $GLOBALS['tasks_form_recipient'];
 481                                 $from = $to;
 482                                 $reply_to = '';
 483                                 if(isset($_REQUEST['email']) and valid_email($_REQUEST['email'])) {
 484                                         $reply_to = $_REQUEST['email'];
 485                                         if($_REQUEST['name'] and ereg('^[a-zA-Z0-9_\' -]*$', $_REQUEST['name']) !== false) {
 486                                                 $reply_to = "$_REQUEST[name] <$reply_to>";
 487                                         }
 488                                 }
 489                                 $subject = 'tasks form submitted';
 490                                 $message = tem_run('tasks.email.txt');
 491                                 $cc = '';
 492                                 $bcc = '';
 493                                 if(email($from, $to, $subject, $message, $reply_to, $cc, $bcc)) {
 494                                         message('Due to an internal error, your message could not be sent. Please try again later.');
 495                                         $error = true;
 496                                 }
 497                         }
 498                         if($error !== true) {
 499                                 return './';
 500                         }
 501                 } else {
 502                         message('Error: you must select a client for the task');
 503                 }
 504                 # otherwise, we display the form again. tasks_get_fields() has
 505                 # already put the posted values back into the template engine, so they will
 506                 # show up in the form fields. You should add some message asking people to
 507                 # fix their entry in whatever way you require.
 508         } elseif($edit_id) {
 509                 # we've recieved an edit id, but no data. So we grab the values to be edited from the database
 510                 list($title, $url, $description, $state, $price) = db_get_row('tasks', 'title,url,description,state,price', 'where id=%i', $edit_id);
 511                 tasks_tem_sets($title, $url, $description, $price);
 512         } else {
 513                 # form not submitted, you can set default values like so:
 514                 #tem_set('client_id', 'Yes');
 515         }
 516
 517         # display header
 518         if($edit_id) {
 519                 tem_show('edit_msg');
 520         } elseif($state == TASK_BUG) {
 521                 tem_show('bug_msg');
 522         } else {
 523                 tem_show('new_msg');
 524                 if(logged_in_as_contractor()) {
 525                         pulldown('client_id', db_get_rows('people', 'id,name', 'where id > 1'), PULLDOWN_2D);
 526                         tem_set('client_id', format_int($_REQUEST['client_id']));
 527                         tem_show('client_row');
 528                 }
 529         }
 530
 531         # display instructions
 532         if($state == TASK_BUG) {
 533                 tem_show('bug_instructions');
 534                 if(logged_in_as_contractor()) {
 535                         tem_show('price_field');
 536                         tem_show('contractor_submits');
 537                 } else {
 538                         tem_show('bug_submit');
 539                 }
 540         } elseif($state == TASK_NEEDS_QUOTE && logged_in_as_contractor()) {
 541                 tem_show('set_price_instructions');
 542                 tem_show('price_field');
 543                 tem_show('contractor_submits');
 544         } else {
 545                 if(description_has_fixmes($description)) {
 546                         tem_show('fixme_instructions');
 547                 } else {
 548                         tem_show('normal_instructions');
 549                 }
 550                 if(logged_in_as_contractor()) {
 551                         tem_show('contractor_submits');
 552                         switch($state) {
 553                                 case TASK_DRAFT:
 554                                 case TASK_NEEDS_CLARIFICATION:
 555                                 case TASK_NEEDS_QUOTE:
 556                                 case TASK_NEEDS_GO_AHEAD:
 557                                 case TASK_QUEUED:
 558                                 case TASK_BUG:
 559                                 tem_show('price_field');
 560                         }
 561                 } else {
 562                         tem_show('normal_submits');
 563                 }
 564         }
 565 }
 566
 567 ?>