git.maemo.org Git - beifahrer/blob - src/adac-mitfahrclub.vala

   1 /* This file is part of Beifahrer.
   2  *
   3  * Copyright (C) 2010 Philipp Zabel
   4  *
   5  * Beifahrer is free software: you can redistribute it and/or modify
   6  * it under the terms of the GNU 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  * Beifahrer 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 General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with Beifahrer. If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 [Compact]
  20 public class City {
  21         public int number;
  22         public string name;
  23         public double latitude;
  24         public double longitude;
  25         public double north;
  26         public double south;
  27         public double east;
  28         public double west;
  29
  30         public City (int _number, string _name) {
  31                 number = _number;
  32                 name = _name;
  33                 latitude = 0.0;
  34                 longitude = 0.0;
  35         }
  36
  37         internal double bb_area () {
  38                 return (north - south) * (east - west);
  39         }
  40 }
  41
  42 public enum LiftFlags {
  43         SMOKER = 1,
  44         NON_SMOKER = 2,
  45         ADAC_MEMBER = 4,
  46         WOMEN_ONLY = 8,
  47         ACTIVE = 16,
  48 }
  49
  50 public class Lift : Object {
  51         public string city_from;
  52         public string city_to;
  53         public Time time;
  54         public int places;
  55         public string price;
  56         public LiftFlags flags;
  57
  58         public string href;
  59
  60         public List<string> city_via;
  61         public string name;
  62         public string cell;
  63         public string phone;
  64         public string phone2;
  65         public string email;
  66         public string email_image_uri;
  67         public string description;
  68         public string modified;
  69
  70         public Lift () {
  71                 time.hour = -1;
  72         }
  73 }
  74
  75 public class MyInformation {
  76         public enum Gender {
  77                 MALE,
  78                 FEMALE
  79         }
  80
  81         public Gender gender;
  82         public string title;
  83         public string first_name;
  84         public string last_name;
  85         public Date birthday;
  86         public Date registered_since;
  87
  88         // Address
  89         public string street;
  90         public string number;
  91         public string zip_code;
  92         public string city;
  93         public string country;
  94
  95         // Contact
  96         public string phone1;
  97         public string phone2;
  98         public string phone3;
  99         public string cell;
 100         public string email1;
 101         public string email2;
 102
 103         public bool smoker;
 104         public bool adac_member;
 105 }
 106
 107 public class AdacMitfahrclub {
 108         const string HTTP_BASE_URI = "http://mitfahrclub.adac.de";
 109         const string HTTPS_BASE_URI = "https://mitfahrclub.adac.de";
 110
 111         Curl.EasyHandle curl;
 112         List<City> city_list = null;
 113
 114         public AdacMitfahrclub () {
 115                 curl = new Curl.EasyHandle ();
 116                 // FIXME: Fremantle SDK doesn't come with certs
 117                 curl.setopt (Curl.Option.SSL_VERIFYPEER, 0);
 118         //      curl.setopt (Curl.Option.VERBOSE, 1);
 119         }
 120
 121         private string _url = null;
 122         private SourceFunc callback = null;
 123         void* download_thread () {
 124                 curl.setopt (Curl.Option.WRITEFUNCTION, write_callback);
 125                 curl.setopt (Curl.Option.WRITEDATA, this);
 126                 curl.setopt (Curl.Option.URL, _url);
 127                 if (aeolus_cookie != null)
 128                         curl.setopt (Curl.Option.COOKIE, "MIKINIMEDIA=%s; Quirinus[adacAeolus]=%s;".printf (mikini_cookie, aeolus_cookie));
 129                 else if (mikini_cookie != null)
 130                         curl.setopt (Curl.Option.COOKIE, "MIKINIMEDIA=%s".printf (mikini_cookie));
 131                 var res = curl.perform ();
 132
 133                 if (callback != null)
 134                         Idle.add (callback);
 135                 callback = null;
 136
 137                 return null;
 138         }
 139
 140         StringBuilder result;
 141
 142         [CCode (instance_pos = -1)]
 143         size_t write_callback (void *buffer, size_t size, size_t nmemb) {
 144         //      if (cancellable != null && cancellable.is_cancelled ())
 145         //              return 0;
 146
 147                 result.append_len ((string) buffer, (ssize_t) (size * nmemb));
 148
 149                 return size * nmemb;
 150         }
 151
 152         private async Html.Doc* get_html_document (string url) {
 153                 _url = url;
 154                 callback = get_html_document.callback;
 155                 result = new StringBuilder ();
 156                 try {
 157                         Thread.create(download_thread, false);
 158                 } catch (ThreadError e) {
 159                         critical ("Failed to create download thread\n");
 160                         return null;
 161                 }
 162
 163                 yield;
 164
 165                 return Html.Doc.read_memory ((char[]) result.str, (int) result.len,
 166                                              url, null, Html.ParserOption.NOERROR | Html.ParserOption.NOWARNING);
 167         }
 168
 169         private string username;
 170         private string password;
 171         private string mikini_cookie;
 172         private string aeolus_cookie;
 173
 174         public void set_cookie (string value) {
 175                 aeolus_cookie = value;
 176         }
 177
 178         public void set_credentials (string _username, string _password) {
 179                 username = _username;
 180                 password = _password;
 181         }
 182
 183         public void login (string? _username, string? _password) {
 184                 set_credentials (_username, _password);
 185                 if (logged_in)
 186                         return;
 187                 if (login_callback != null)
 188                         return;
 189                 login_thread ();
 190         }
 191
 192         public bool logged_in = false;
 193         private SourceFunc login_callback = null;
 194         public async bool login_async () {
 195                 if (logged_in)
 196                         return true;
 197                 if (login_callback != null || username == null || password == null)
 198                         return false;
 199                 login_callback = login_async.callback;
 200                 result = new StringBuilder ();
 201                 try {
 202                         Thread.create(login_thread, false);
 203                 } catch (ThreadError e) {
 204                         critical ("Failed to create login thread\n");
 205                         return false;
 206                 }
 207
 208                 yield;
 209                 login_callback = null;
 210
 211                 return logged_in;
 212         }
 213
 214         void *login_thread () {
 215                 result = new StringBuilder ();
 216                 curl.setopt (Curl.Option.URL, HTTP_BASE_URI);
 217                 curl.setopt (Curl.Option.WRITEFUNCTION, write_callback);
 218                 curl.setopt (Curl.Option.WRITEDATA, this);
 219                 curl.setopt (Curl.Option.COOKIEFILE, "");
 220                 var res = curl.perform ();
 221
 222                 Curl.SList cookies;
 223                 curl.getinfo (Curl.Info.COOKIELIST, out cookies);
 224                 unowned Curl.SList cookie = cookies;
 225                 while (cookie != null) {
 226                         if (cookie.data != null) {
 227                                 var c = cookie.data.split ("\t");
 228                                 if (c.length > 5)
 229                                         print ("%s=%s\n", c[5], c[6]);
 230                                         if (c[5] == "MIKINIMEDIA")
 231                                                 mikini_cookie = c[6];
 232                         }
 233                         cookie = cookie.next;
 234                 }
 235
 236                 result = new StringBuilder ();
 237                 string postdata = "data[User][continue]=/&data[User][js_allowed]=0&data[User][cookie_allowed]=1&data[User][username]=%s&data[User][password]=%s&data[User][remember_me]=1".printf (username, password);
 238                 curl.setopt (Curl.Option.POSTFIELDS, postdata);
 239                 curl.setopt (Curl.Option.URL, HTTPS_BASE_URI + "/users/login/");
 240                 curl.setopt (Curl.Option.SSL_VERIFYPEER, 0);
 241                 res = curl.perform ();
 242         //      print ("%s\n", result.str);
 243
 244                 cookies = null;
 245                 curl.getinfo (Curl.Info.COOKIELIST, out cookies);
 246                 cookie = cookies;
 247                 while (cookie != null) {
 248                         if (cookie.data != null) {
 249                                 var c = cookie.data.split ("\t");
 250                                 if (c.length > 5)
 251                                         print ("%s=%s\n", c[5], c[6]);
 252                                         // "Quirinus[adacAeolus]"
 253                                         if (c[5] == "Quirinus[adacAeolus]") {
 254                                                 aeolus_cookie = c[6];
 255                                                 logged_in = true;
 256                                         }
 257                         }
 258                         cookie = cookie.next;
 259                 }
 260
 261                 if (result.str.contains ("<div id=\"flashMessage\" class=\"message\">Die eingegebenen Zugangsdaten konnten nicht gefunden werden. Bitte versuchen Sie es erneut.</div>")) {
 262                         print ("LOGIN FAILED\n");
 263                         aeolus_cookie = null;
 264                         logged_in = false;
 265                 }
 266
 267                 if (login_callback != null)
 268                         Idle.add (login_callback);
 269                 return null;
 270         }
 271
 272         private void save_city_list () {
 273                 FileStream list_file = FileStream.open ("/home/user/.cache/beifahrer/city_list", "w");
 274                 if (list_file == null)
 275                         return;
 276
 277                 foreach (unowned City city in city_list) {
 278                         if (city.north != 0.0 || city.south != 0.0 || city.east != 0.0 || city.west != 0.0)
 279                                 list_file.printf ("%d\t%s\t%f\t%f\t%f\t%f\t%f\t%f\n", city.number, city.name, city.latitude, city.longitude, city.north, city.south, city.east, city.west);
 280                         else if (city.latitude != 0.0 || city.longitude != 0.0)
 281                                 list_file.printf ("%d\t%s\t%f\t%f\n", city.number, city.name, city.latitude, city.longitude);
 282                         else
 283                                 list_file.printf ("%d\t%s\n", city.number, city.name);
 284                 }
 285         }
 286
 287         private bool load_city_list () {
 288                 FileStream list_file = FileStream.open ("/home/user/.cache/beifahrer/city_list", "r");
 289                 if (list_file == null)
 290                         list_file = FileStream.open ("/usr/share/beifahrer/city_list", "r");
 291                 if (list_file == null)
 292                         return false;
 293
 294                 city_list = new List<City> ();
 295                 string line = list_file.read_line ();
 296                 while (line != null) {
 297                         var split_line = line.split ("\t");
 298                         if (split_line.length < 2)
 299                                 continue;
 300                         int number = split_line[0].to_int ();
 301                         weak string name = split_line[1];
 302
 303                         var city = new City (number, name);
 304                         if (split_line.length >= 4) {
 305                                 city.latitude = split_line[2].to_double ();
 306                                 city.longitude = split_line[3].to_double ();
 307                         }
 308                         if (split_line.length >= 8) {
 309                                 city.north = split_line[4].to_double ();
 310                                 city.south = split_line[5].to_double ();
 311                                 city.east = split_line[6].to_double ();
 312                                 city.west = split_line[7].to_double ();
 313                         }
 314                         city_list.append ((owned) city);
 315
 316                         line = list_file.read_line ();
 317                 }
 318
 319                 return true;
 320         }
 321
 322         public unowned List<City>? get_city_list () {
 323                 if (city_list != null)
 324                         return city_list;
 325
 326                 if (load_city_list ())
 327                         return city_list;
 328
 329                 return null;
 330         }
 331
 332         public async unowned List<City>? download_city_list () {
 333                 var doc = yield get_html_document (HTTP_BASE_URI);
 334                 if (doc == null) {
 335                         stderr.printf ("Error: parsing failed\n");
 336                         return null;
 337                 }
 338
 339                 var form = search_tag_by_id (doc->children, "form", "search_national_form");
 340                 if (form == null) {
 341                         stderr.printf ("Error: does not contain search_national_form\n");
 342                         return null;
 343                 }
 344
 345                 var select = search_tag_by_name (form->children, "select", "city_from");
 346                 if (select == null) {
 347                         stderr.printf ("Error: does not contain city_from\n");
 348                         return null;
 349                 }
 350
 351                 city_list = new List<City> ();
 352                 for (var n = select->children; n != null; n = n->next) {
 353                         if (n->name == "option" && n->children != null && n->children->name == "text") {
 354                                 int number = n->get_prop ("value").to_int ();
 355                                 // Skip 0 "Alle St.dte"
 356                                 if (number == 0)
 357                                         continue;
 358                                 var city = new City(number,
 359                                                     n->children->content);
 360                                 city_list.append ((owned) city);
 361                         }
 362                 }
 363
 364                 // TODO: get coordinates
 365
 366                 save_city_list ();
 367
 368                 return city_list;
 369         }
 370
 371         private int get_city_number (string name) {
 372                 foreach (unowned City city in city_list) {
 373                         if (city.name == name)
 374                                 return city.number;
 375                 }
 376                 return 0;
 377         }
 378
 379         public unowned City find_nearest_city (double latitude, double longitude) {
 380                 unowned City result = null;
 381                 double min_distance = 0.0;
 382                 bool in_result = false;
 383
 384                 foreach (unowned City city in city_list) {
 385                         double lat = latitude - city.latitude;
 386                         double lng = longitude - city.longitude;
 387                         double distance = lat * lat + lng * lng;
 388                         bool in_city = ((city.south <= latitude <= city.north) &&
 389                                         (city.west <= longitude <= city.east));
 390
 391                         if ((result == null) ||
 392                             (in_city && !in_result) ||
 393                             (in_city && in_result && distance / city.bb_area () < min_distance / result.bb_area ()) ||
 394                             (!in_city && !in_result && distance < min_distance)) {
 395                                 result = city;
 396                                 min_distance = distance;
 397                                 in_result = in_city;
 398                         }
 399                 }
 400
 401                 return result;
 402         }
 403
 404         public string? get_lift_list_url (string city_from, int radius_from, string city_to, int radius_to, Date date, int tolerance = 0) {
 405                 if (city_list == null)
 406                         get_city_list ();
 407
 408                 int num_from = get_city_number (city_from);
 409                 if (num_from == 0)
 410                         return null;
 411
 412                 int num_to = get_city_number (city_to);
 413                 if (num_to == 0)
 414                         return null;
 415
 416                 string url = HTTP_BASE_URI + "/mitfahrclub/%s/%s/b.html".printf (
 417                         city_from,
 418                         city_to
 419                 );
 420
 421                 url += "?type=b&city_from=%d&radius_from=%d&city_to=%d&radius_to=%d".printf (
 422                         num_from,
 423                         radius_from,
 424                         num_to,
 425                         radius_to
 426                 );
 427
 428                 url += "&date=date&day=%d&month=%d&year=%d&tolerance=%d&smoking=&avg_speed=&".printf (
 429                         date.get_day (),
 430                         date.get_month (),
 431                         date.get_year (),
 432                         tolerance
 433                 );
 434
 435                 return url;
 436         }
 437
 438         public async List<Lift>? get_lift_list (string city_from, int radius_from, string city_to, int radius_to, Date date, int tolerance = 0) {
 439                 var doc = yield get_html_document (get_lift_list_url (city_from, radius_from, city_to, radius_to, date, tolerance));
 440                 if (doc == null) {
 441                         stderr.printf ("Error: parsing failed\n");
 442                         return null;
 443                 }
 444
 445                 var table = search_tag_by_class (doc->children, "table", "list p_15");
 446                 if (table == null) {
 447                         stderr.printf ("Error: does not contain list p_15 table\n");
 448                         return null;
 449                 }
 450
 451                 var list = new List<Lift> ();
 452                 for (var n = table->children; n != null; n = n->next) {
 453                         if (n->name == "tr") {
 454                                 var lift = parse_lift_row (n->children);
 455                                 if (lift.city_from != null) // Skip the title row
 456                                         list.append ((owned) lift);
 457                         }
 458                 }
 459
 460                 // Error message?
 461                 var div = table->next;
 462                 if (div != null && div->get_prop ("class") == "error-message") {
 463                         if (div->children == null || div->children->content == null ||
 464                             !div->children->content.has_prefix ("Es sind leider noch keine Einträge vorhanden.")) {
 465                                 stderr.printf ("Got an unknown error message!\n");
 466                                 if (div->children != null && div->children->content != null)
 467                                         stderr.printf ("\"%s\"\n", div->children->content);
 468                         }
 469                 }
 470
 471                 return list;
 472         }
 473
 474         Lift parse_lift_row (Xml.Node* node) {
 475                 var lift = new Lift ();
 476                 int i = 0;
 477                 for (var n = node; n != null; n = n->next) {
 478                         if (n->name == "td") {
 479                                 var n2 = n->children;
 480                                 if (n2 != null) {
 481                                         if (n2->name == "a") {
 482                                                 var href = n2->get_prop ("href");
 483                                                 if (href != null && lift.href == null)
 484                                                         lift.href = href;
 485                                                 var n3 = n2->children;
 486                                                 while (n3 != null) {
 487                                                         if (n3->name == "text")
 488                                                                 switch (i) {
 489                                                                 case 0:
 490                                                                         lift.city_from = n3->content;
 491                                                                         break;
 492                                                                 case 1:
 493                                                                         lift.city_to = n3->content;
 494                                                                         break;
 495                                                                 case 2:
 496                                                                         parse_date (n3->content, out lift.time);
 497                                                                         break;
 498                                                                 case 3:
 499                                                                         parse_time (n3->content.strip (), out lift.time);
 500                                                                         break;
 501                                                                 case 4:
 502                                                                         lift.places = n3->content.to_int ();
 503                                                                         break;
 504                                                                 case 5:
 505                                                                         lift.price = n3->content;
 506                                                                         break;
 507                                                                 default:
 508                                                                         print ("TEXT:%s\n", n3->content);
 509                                                                         break;
 510                                                                 }
 511                                                         if (n3->name == "span") {
 512                                                                 string class = n3->get_prop ("class");
 513                                                                 if (class == "icon_smoker")
 514                                                                         lift.flags |= LiftFlags.SMOKER;
 515                                                                 else if (class == "icon_non_smoker")
 516                                                                         lift.flags |= LiftFlags.NON_SMOKER;
 517                                                                 else if (class == "icon_adac")
 518                                                                         lift.flags |= LiftFlags.ADAC_MEMBER;
 519                                                                 else if (class == "icon_women")
 520                                                                         lift.flags |= LiftFlags.WOMEN_ONLY;
 521                                                                 else if (class != null)
 522                                                                         print ("SPAN %s\n", class);
 523                                                         }
 524                                                         n3 = n3->next;
 525                                                 }
 526                                         }
 527                                 }
 528                                 i++;
 529                         }
 530                 }
 531
 532                 return lift;
 533         }
 534
 535         public string get_lift_details_url (Lift lift) {
 536                 return HTTP_BASE_URI + lift.href;
 537         }
 538
 539         public async bool update_lift_details (Lift lift) {
 540                 var doc = yield get_html_document (get_lift_details_url (lift));
 541                 if (doc == null) {
 542                         stderr.printf ("Error: parsing failed\n");
 543                         return false;
 544                 }
 545
 546                 var table = search_tag_by_class (doc->children, "table", "lift");
 547                 if (table == null) {
 548                         stderr.printf ("Error: does not contain lift table\n");
 549                         return false;
 550                 }
 551
 552                 Xml.Node* n;
 553                 for (n = table->children; n != null; n = n->next) {
 554                         if (n->name == "tr") {
 555                                 var n2 = n->children;
 556                                 if (n2 == null || n2->name != "td" ||
 557                                     n2->children == null || n2->children->name != "text")
 558                                         continue;
 559
 560                                 string text = n2->children->content;
 561
 562                                 if (text != "Strecke & Infos" && text != "&nbsp;" && !text.has_prefix ("\xc2\xa0") &&
 563                                     text != "Datum" &&
 564                                     text != "Freie Pl\xc3\xa4tze" &&
 565                                     text != "Name" &&
 566                                     text != "Handy" &&
 567                                     text != "Telefon" &&
 568                                     text != "Telefon 2" &&
 569                                     text != "E-Mail 1" &&
 570                                     text != "Details" &&
 571                                     text != "Beschreibung")
 572                                         continue;
 573
 574                                 n2 = n2->next;
 575                                 if (n2 == null)
 576                                         continue;
 577
 578                                 // Skip text between td nodes
 579                                 if (n2->name == "text")
 580                                         n2 = n2->next;
 581
 582                                 if (n2 == null || n2->name != "td" || n2->children == null)
 583                                         continue;
 584
 585                                 if (n2->children->name == "img") {
 586                                         // FIXME: email image
 587                                          lift.email_image_uri = n2->children->get_prop ("src");
 588                                         continue;
 589                                 }
 590
 591                                 if (n2->children->name == "div" && text == "Beschreibung") {
 592                                         var n3 = n2->children->children;
 593                                         lift.description = "";
 594                                         while (n3 != null) {
 595                                                 if (n3->name == "text")
 596                                                         lift.description += n3->content.strip () + "\n";
 597                                                 n3 = n3->next;
 598                                         }
 599                                         continue;
 600                                 } else if (n2->children->name != "text") {
 601                                         continue;
 602                                 }
 603
 604                                 var text1 = n2->children->content.strip ();
 605
 606                                 if (text == "Freie Pl\xc3\xa4tze")
 607                                         lift.places = text1.to_int ();
 608                                 else if (text == "Name")
 609                                         lift.name = text1;
 610                                 else if (text == "Handy")
 611                                         lift.cell = text1;
 612                                 else if (text == "Telefon")
 613                                         lift.phone = text1;
 614                                 else if (text == "Telefon 2")
 615                                         lift.phone2 = text1;
 616                                 else if (text == "E-Mail 1")
 617                                         lift.email = text1;
 618                                 else if (text != "Strecke & Infos" && text != "&nbsp;" &&
 619                                     !text.has_prefix ("\xc2\xa0") && text != "Datum" &&
 620                                     text != "Details")
 621                                         continue;
 622
 623                                 n2 = n2->next;
 624                                 if (n2 == null)
 625                                         continue;
 626
 627                                 // Skip text between td nodes
 628                                 if (n2->name == "text")
 629                                         n2 = n2->next;
 630
 631                                 if (n2 == null || n2->name != "td" ||
 632                                     n2->children == null)
 633                                         continue;
 634
 635                                 if (n2->children->name == "span" &&
 636                                     n2->children->get_prop ("class") == "icon_non_smoker") {
 637                                         lift.flags |= LiftFlags.NON_SMOKER;
 638                                         continue;
 639                                 } else if (n2->children->name == "span" &&
 640                                     n2->children->get_prop ("class") == "icon_smoker") {
 641                                         lift.flags |= LiftFlags.SMOKER;
 642                                         continue;
 643                                 } else if (n2->children->name != "text")
 644                                         continue;
 645
 646                                 var text2 = n2->children->content.strip ();
 647
 648                                 if (text1 == "von")
 649                                         lift.city_from = text2;
 650                                 else if (text1.has_prefix ("\xc3\xbc"))
 651                                         lift.city_via.append (text2);
 652                                 else if (text1 == "nach")
 653                                         lift.city_to = text2;
 654                                 else if (text1 == "Datum")
 655                                         parse_date (text2, out lift.time);
 656                                 else if (text1 == "Uhrzeit")
 657                                         parse_time (text2, out lift.time);
 658                                 else if (text1 == "Raucher")
 659                                         print ("Raucher: %s\n", text2);
 660                                 else if (text1 == "Fahrpreis")
 661                                         lift.price = text2;
 662                                 else if (text1 == "ADAC-Mitglied" && text2 != "nein")
 663                                         lift.flags |= LiftFlags.ADAC_MEMBER;
 664                         }
 665                 }
 666
 667                 // The paragraph after the table contains the date of last modification
 668                 var p = table->next;
 669                 for (n = p->children; n != null; n = n->next) {
 670                         if (n->name != "text")
 671                                 continue;
 672
 673                         var s = n->content.strip ();
 674                         if (s.has_prefix ("Letztmalig aktualisiert am "))
 675                                 lift.modified = s.offset (27).dup (); // "Do 15.04.2010 20:32"
 676                 }
 677
 678                 return true;
 679         }
 680
 681         public string get_my_information_url () {
 682                 return HTTPS_BASE_URI + "/users/view";
 683         }
 684
 685         public async MyInformation get_my_information () {
 686                 var doc = yield get_html_document (get_my_information_url ());
 687                 if (doc == null) {
 688                         stderr.printf ("Error: parsing failed\n");
 689                         return null;
 690                 }
 691
 692                 var table = search_tag_by_class (doc->children, "table", "user");
 693                 if (table == null) {
 694                         stderr.printf ("Error: does not contain user table\n");
 695                         return null;
 696                 }
 697
 698                 var my_info = new MyInformation ();
 699
 700                 Xml.Node* n;
 701                 for (n = table->children; n != null; n = n->next) {
 702                         if (n->name == "tr") {
 703                                 var n2 = n->children;
 704                                 if (n2 == null || n2->name != "td" ||
 705                                     n2->children == null || n2->children->name != "text")
 706                                         continue;
 707
 708                                 string text = n2->children->content;
 709
 710                                 n2 = n2->next;
 711                                 if (n2 != null && n2->name == "text")
 712                                         n2 = n2->next;
 713                                 if (n2 == null || n2->name != "td" ||
 714                                     n2->children == null || n2->children->name != "text")
 715                                         continue;
 716
 717                                 string content = n2->children->content;
 718
 719                                 switch (text) {
 720                                 case "Anrede":
 721                                         my_info.gender = (content == "Herr") ? MyInformation.Gender.MALE : MyInformation.Gender.FEMALE;
 722                                         continue;
 723                                 case "Titel":
 724                                         my_info.title = content;
 725                                         continue;
 726                                 case "Vorname":
 727                                         my_info.first_name = content;
 728                                         continue;
 729                                 case "Name":
 730                                         my_info.last_name = content;
 731                                         continue;
 732                                 case "Geburtsdatum":
 733                         //              my_info.birthday = ...
 734                                         continue;
 735                                 case "registriert seit":
 736                         //              my_info.registered_since = content;
 737                                         continue;
 738                         //      default:
 739                         //              print ("\t%s=%s\n", text, content);
 740                         //              break;
 741                                 }
 742
 743                                 text = content;
 744
 745                                 n2 = n2->next;
 746                                 if (n2 != null && n2->name == "text")
 747                                         n2 = n2->next;
 748                                 if (n2 == null || n2->name != "td")
 749                                         continue;
 750
 751                                 if (n2->children != null && n2->children->name != "text")
 752                                         content = n2->children->content;
 753                                 else
 754                                         content = "";
 755
 756                                 switch (text) {
 757                                 case "Straße, Nr.":
 758                                         my_info.street = content;
 759                                         my_info.number = "";
 760                                         continue;
 761                                 case "PLZ, Ort":
 762                                         my_info.zip_code = "";
 763                                         my_info.city = content;
 764                                         continue;
 765                                 case "Land":
 766                                         my_info.country = content;
 767                                         continue;
 768                                 case "Telefon 1":
 769                                         my_info.phone1 = content;
 770                                         continue;
 771                                 case "Telefon 2":
 772                                         my_info.phone2 = content;
 773                                         continue;
 774                                 case "Telefon 3":
 775                                         my_info.phone3 = content;
 776                                         continue;
 777                                 case "Handy":
 778                                         my_info.cell = content;
 779                                         continue;
 780                                 case "Email 1":
 781                                         my_info.email1 = content;
 782                                         continue;
 783                                 case "Email 2":
 784                                         my_info.email2 = content;
 785                                         continue;
 786                                 case "Raucher":
 787                                         // FIXME
 788                                         my_info.smoker = false;
 789                                         continue;
 790                                 case "ADAC-Mitglied":
 791                                         // FIXME
 792                                         my_info.adac_member = false;
 793                                         continue;
 794                         //      default:
 795                         //              print ("\"%s\"=\"%s\"\n", text, content);
 796                         //              break;
 797                                 }
 798                         }
 799                 }
 800
 801 /*
 802                         <tr class="head top">
 803                                 <td width="150" class="label">Anrede</td>
 804                                 <td width="400">Herr</td>
 805                         </tr>
 806                         <tr class="head">
 807                                 <td class="label">Titel</td>
 808
 809                                 <td>--</td>
 810                         </tr>
 811                         ...
 812 */
 813                 return my_info;
 814         }
 815
 816         public string get_my_offers_url () {
 817                 return HTTP_BASE_URI + "/lifts/mysinglelifts";
 818         }
 819
 820         public async List<Lift>? get_my_offers () {
 821                 var doc = yield get_html_document (get_my_offers_url ());
 822                 if (doc == null) {
 823                         stderr.printf ("Error: parsing failed\n");
 824                         return null;
 825                 }
 826
 827                 var table = search_tag_by_class (doc->children, "table", "list");
 828                 if (table == null) {
 829                         stderr.printf ("Error: does not contain user table\n");
 830                         return null;
 831                 }
 832
 833                 var list = new List<Lift> ();
 834                 for (var n = table->children; n != null; n = n->next) {
 835                         if (n->name == "tr") {
 836                                 var lift = parse_offer_row (n);
 837                                 if (lift != null) // Skip the title row
 838                                         list.append ((owned) lift);
 839                         }
 840                 }
 841
 842                 if (table->next != null && table->next->name == "div") {
 843                         var text = get_child_text_content (table->next);
 844                         if (text != null) {
 845                                 print ("\"%s\"\n", text);
 846                                 if (text == "Sie haben derzeit keine einmaligen Fahrten eingetragen") {
 847                                         print ("NO ENTRIES\n");
 848                                 }
 849                         }
 850                 }
 851
 852                 return list;
 853         }
 854
 855         Lift? parse_offer_row (Xml.Node *tr) {
 856                 var lift = new Lift ();
 857
 858                 // checkbox
 859                 var td = get_next_td (tr->children);
 860                 if (td == null)
 861                         return null;
 862
 863                 // action
 864                 td = get_next_td (td->next);
 865                 if (td == null)
 866                         return null;
 867                 // FIXME: get uri
 868
 869                 // type
 870                 td = get_next_td (td->next);
 871                 if (td == null)
 872                         return null;
 873                 var text = get_child_text_content (td);
 874                 if (text == null)
 875                         return null;
 876                 // FIXME ==
 877                 if (text != "Mitfahrer")
 878                         return null;
 879
 880                 // point of departure
 881                 td = get_next_td (td->next);
 882                 if (td == null)
 883                         return null;
 884                 text = get_child_text_content (td);
 885                 if (text == null)
 886                         return null;
 887                 lift.city_from = text;
 888
 889                 // point of arrival
 890                 td = get_next_td (td->next);
 891                 if (td == null)
 892                         return null;
 893                 text = get_child_text_content (td);
 894                 if (text == null)
 895                         return null;
 896                 lift.city_to = text;
 897
 898                 // date
 899                 td = get_next_td (td->next);
 900                 if (td == null)
 901                         return null;
 902                 text = get_child_text_content (td);
 903                 if (text == null)
 904                         return null;
 905                 parse_date (text, out lift.time);
 906
 907                 // time
 908                 td = get_next_td (td->next);
 909                 if (td == null)
 910                         return null;
 911                 text = get_child_text_content (td);
 912                 if (text == null)
 913                         return null;
 914                 parse_time (text, out lift.time);
 915
 916                 // active?
 917                 td = get_next_td (td->next);
 918                 if (td == null)
 919                         return null;
 920                 var a = td->children;
 921                 if (a == null || a->name != "a")
 922                         return null;
 923                 text = a->get_prop ("class");
 924                 if (text == "status icon icon_ajax_active")
 925                         lift.flags |= LiftFlags.ACTIVE;
 926
 927                 return lift;
 928         }
 929
 930         Xml.Node* get_next_td (Xml.Node *n) {
 931                 while (n != null) {
 932                         if (n->name == "td")
 933                                 return n;
 934                         n = n->next;
 935                 }
 936                 return null;
 937         }
 938
 939         unowned string get_child_text_content (Xml.Node *n) {
 940                 if (n->children != null && n->children->name == "text")
 941                         return n->children->content;
 942                 else
 943                         return null;
 944         }
 945
 946         Xml.Node* search_tag_by_property (Xml.Node* node, string tag, string prop, string val) requires (node != null) {
 947                 for (var n = node; n != null; n = n->next) {
 948                         if (n->name == tag && n->get_prop (prop) == val)
 949                                 return n;
 950                         if (n->children != null) {
 951                                 var found = search_tag_by_property (n->children, tag, prop, val);
 952                                 if (found != null)
 953                                         return found;
 954                         }
 955                 }
 956                 return null;
 957         }
 958
 959         Xml.Node* search_tag_by_id (Xml.Node* node, string tag, string id) requires (node != null) {
 960                 return search_tag_by_property (node, tag, "id", id);
 961         }
 962
 963         Xml.Node* search_tag_by_name (Xml.Node* node, string tag, string name) requires (node != null) {
 964                 return search_tag_by_property (node, tag, "name", name);
 965         }
 966
 967         Xml.Node* search_tag_by_class (Xml.Node* node, string tag, string @class) requires (node != null) {
 968                 return search_tag_by_property (node, tag, "class", @class);
 969         }
 970
 971         void parse_date (string date, out Time time) {
 972                 int year;
 973                 if (date.length == 12)          // "Mo, 01.02.03"
 974                         date = date.offset (4);
 975                 else if (date.length == 11)     // "Mo 01.02.03"
 976                         date = date.offset (3);
 977                 if (date.length != 8)           // "01.02.03"
 978                         return;
 979                 var res = date.scanf ("%02d.%02d.%02d", out time.day, out time.month, out year);
 980                 time.year = year + 2000;
 981         }
 982
 983         void parse_time (string time, out Time result) {
 984                 var res = time.scanf ("%d.%02d Uhr", out result.hour, out result.minute);
 985         }
 986 }