/[LeafOK_CVS]/lbbs/src/user_list_display.c
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Contents of /lbbs/src/user_list_display.c

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Revision 1.31 - (show annotations)
Sun Feb 8 15:43:32 2026 UTC (5 weeks, 2 days ago) by sysadm
Branch: MAIN
CVS Tags: HEAD
Changes since 1.30: +1 -0 lines
Content type: text/x-csrc
Fix bug

1 /* SPDX-License-Identifier: GPL-3.0-or-later */
2 /*
3 * user_list_display
4 * - user interactive list of (online) users
5 *
6 * Copyright (C) 2004-2026 Leaflet <leaflet@leafok.com>
7 */
8
9 #ifdef HAVE_CONFIG_H
10 #include "config.h"
11 #endif
12
13 #include "common.h"
14 #include "io.h"
15 #include "log.h"
16 #include "login.h"
17 #include "screen.h"
18 #include "str_process.h"
19 #include "user_list.h"
20 #include "user_priv.h"
21 #include "user_info_display.h"
22 #include "user_list_display.h"
23 #include <ctype.h>
24 #include <string.h>
25 #include <time.h>
26 #include <sys/param.h>
27
28 enum select_cmd_t
29 {
30 EXIT_LIST = 0,
31 VIEW_USER,
32 CHANGE_PAGE,
33 REFRESH_LIST,
34 SHOW_HELP,
35 SEARCH_USER,
36 };
37
38 static int user_list_draw_screen(int online_user)
39 {
40 clearscr();
41 show_top((online_user ? "[线上使用者]" : "[已注册用户]"), BBS_name, "");
42 moveto(2, 0);
43 prints("返回[\033[1;32m←\033[0;37m,\033[1;32mESC\033[0;37m] 选择[\033[1;32m↑\033[0;37m,\033[1;32m↓\033[0;37m] "
44 "查看[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 查找[\033[1;32ms\033[0;37m] "
45 "帮助[\033[1;32mh\033[0;37m]\033[m");
46 moveto(3, 0);
47
48 if (online_user)
49 {
50 prints("\033[44;37m \033[1;37m 编 号 用户名 昵称 在线时长 空闲 最后活动 \033[m");
51 }
52 else
53 {
54 prints("\033[44;37m \033[1;37m 编 号 用户名 昵称 上次登陆距今 \033[m");
55 }
56
57 return 0;
58 }
59
60 static int user_list_draw_items(int page_id, USER_INFO *p_users, int user_count)
61 {
62 char str_time_login[LINE_BUFFER_LEN];
63 time_t tm_now;
64 time_t tm_duration;
65 struct tm *p_tm;
66 int i;
67
68 clrline(4, 23);
69
70 time(&tm_now);
71
72 for (i = 0; i < user_count; i++)
73 {
74 tm_duration = tm_now - p_users[i].last_login_dt;
75 p_tm = gmtime(&tm_duration);
76 if (p_tm == NULL)
77 {
78 log_error("Invalid time duration");
79 str_time_login[0] = '\0';
80 }
81 else if (p_tm->tm_year > 70)
82 {
83 snprintf(str_time_login, sizeof(str_time_login),
84 "%d年%d天", p_tm->tm_year - 70, p_tm->tm_yday);
85 }
86 else if (p_tm->tm_yday > 0)
87 {
88 snprintf(str_time_login, sizeof(str_time_login),
89 "%d天", p_tm->tm_yday);
90 }
91 else if (p_tm->tm_hour > 0)
92 {
93 snprintf(str_time_login, sizeof(str_time_login),
94 "%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
95 }
96 else
97 {
98 snprintf(str_time_login, sizeof(str_time_login),
99 "%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
100 }
101
102 moveto(4 + i, 1);
103
104 prints(" %6d %s%*s %s%*s %s",
105 p_users[i].id + 1,
106 p_users[i].username,
107 BBS_username_max_len - str_length(p_users[i].username, 1),
108 "",
109 p_users[i].nickname,
110 BBS_nickname_max_len / 2 - str_length(p_users[i].nickname, 1),
111 "",
112 str_time_login);
113 }
114
115 return 0;
116 }
117
118 static int user_online_list_draw_items(int page_id, USER_ONLINE_INFO *p_users, int user_count)
119 {
120 char str_time_login[LINE_BUFFER_LEN];
121 char str_time_idle[LINE_BUFFER_LEN];
122 const char *p_action_title;
123 time_t tm_now;
124 time_t tm_duration;
125 struct tm *p_tm;
126 int i;
127
128 clrline(4, 23);
129
130 time(&tm_now);
131
132 for (i = 0; i < user_count; i++)
133 {
134 tm_duration = tm_now - p_users[i].login_tm;
135 p_tm = gmtime(&tm_duration);
136 if (p_tm == NULL)
137 {
138 log_error("Invalid time duration");
139 str_time_login[0] = '\0';
140 }
141 else if (p_tm->tm_yday > 0)
142 {
143 snprintf(str_time_login, sizeof(str_time_login),
144 "%dd%dh", p_tm->tm_yday, p_tm->tm_hour);
145 }
146 else if (p_tm->tm_hour > 0)
147 {
148 snprintf(str_time_login, sizeof(str_time_login),
149 "%d:%.2d", p_tm->tm_hour, p_tm->tm_min);
150 }
151 else
152 {
153 snprintf(str_time_login, sizeof(str_time_login),
154 "%d\'%.2d\"", p_tm->tm_min, p_tm->tm_sec);
155 }
156
157 tm_duration = tm_now - p_users[i].last_tm;
158 p_tm = gmtime(&tm_duration);
159 if (p_tm == NULL)
160 {
161 log_error("Invalid time duration");
162 str_time_idle[0] = '\0';
163 }
164 else if (p_tm->tm_min > 0)
165 {
166 snprintf(str_time_idle, sizeof(str_time_idle),
167 "%d\'%d\"", p_tm->tm_min, p_tm->tm_sec);
168 }
169 else
170 {
171 snprintf(str_time_idle, sizeof(str_time_idle),
172 "%d\"", p_tm->tm_sec);
173 }
174
175 p_action_title = (p_users[i].current_action_title != NULL
176 ? p_users[i].current_action_title
177 : p_users[i].current_action);
178
179 moveto(4 + i, 1);
180
181 prints(" %6d %s%*s %s%*s %s%*s %s%*s %s",
182 p_users[i].id + 1,
183 p_users[i].user_info.username,
184 BBS_username_max_len - str_length(p_users[i].user_info.username, 1),
185 "",
186 p_users[i].user_info.nickname,
187 BBS_nickname_max_len / 2 - str_length(p_users[i].user_info.nickname, 1),
188 "",
189 str_time_login,
190 8 - str_length(str_time_login, 1),
191 "",
192 str_time_idle,
193 6 - str_length(str_time_idle, 1),
194 "",
195 p_action_title);
196 }
197
198 return 0;
199 }
200
201 static enum select_cmd_t user_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
202 {
203 int old_page_id = *p_page_id;
204 int old_selected_index = *p_selected_index;
205 int ch;
206
207 if (item_count > 0 && *p_selected_index >= 0)
208 {
209 moveto(4 + *p_selected_index, 1);
210 outc('>');
211 iflush();
212 }
213
214 while (!SYS_server_exit)
215 {
216 ch = igetch(100);
217
218 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
219 {
220 BBS_last_access_tm = time(NULL);
221
222 // Refresh current action
223 if (user_online_update(NULL) < 0)
224 {
225 log_error("user_online_update(NULL) error");
226 }
227 }
228
229 switch (ch)
230 {
231 case KEY_NULL: // broken pipe
232 log_debug("KEY_NULL");
233 case KEY_ESC:
234 case KEY_LEFT:
235 return EXIT_LIST; // exit list
236 case KEY_TIMEOUT:
237 if (time(NULL) - BBS_last_access_tm >= BBS_max_user_idle_time)
238 {
239 log_debug("User input timeout");
240 return EXIT_LIST; // exit list
241 }
242 continue;
243 case CR:
244 case KEY_RIGHT:
245 if (item_count > 0)
246 {
247 return VIEW_USER;
248 }
249 break;
250 case KEY_HOME:
251 *p_page_id = 0;
252 case 'P':
253 case KEY_PGUP:
254 *p_selected_index = 0;
255 case 'k':
256 case KEY_UP:
257 if (*p_selected_index <= 0)
258 {
259 if (*p_page_id > 0)
260 {
261 (*p_page_id)--;
262 *p_selected_index = BBS_user_limit_per_page - 1;
263 }
264 else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
265 {
266 if (total_page > 0)
267 {
268 *p_page_id = total_page - 1;
269 }
270 if (item_count > 0)
271 {
272 *p_selected_index = item_count - 1;
273 }
274 }
275 }
276 else
277 {
278 (*p_selected_index)--;
279 }
280 break;
281 case '$':
282 case KEY_END:
283 if (total_page > 0)
284 {
285 *p_page_id = total_page - 1;
286 }
287 case 'N':
288 case KEY_PGDN:
289 if (item_count > 0)
290 {
291 *p_selected_index = item_count - 1;
292 }
293 case 'j':
294 case KEY_DOWN:
295 if (*p_selected_index + 1 >= item_count) // next page
296 {
297 if (*p_page_id + 1 < total_page)
298 {
299 (*p_page_id)++;
300 *p_selected_index = 0;
301 }
302 else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
303 {
304 *p_page_id = 0;
305 *p_selected_index = 0;
306 }
307 }
308 else
309 {
310 (*p_selected_index)++;
311 }
312 break;
313 case 's':
314 return SEARCH_USER;
315 case KEY_F5:
316 return REFRESH_LIST;
317 case 'h':
318 return SHOW_HELP;
319 default:
320 break;
321 }
322
323 if (old_page_id != *p_page_id)
324 {
325 return CHANGE_PAGE;
326 }
327
328 if (item_count > 0 && old_selected_index != *p_selected_index)
329 {
330 if (old_selected_index >= 0)
331 {
332 moveto(4 + old_selected_index, 1);
333 outc(' ');
334 }
335 if (*p_selected_index >= 0)
336 {
337 moveto(4 + *p_selected_index, 1);
338 outc('>');
339 }
340 iflush();
341
342 old_selected_index = *p_selected_index;
343 }
344 }
345
346 return EXIT_LIST;
347 }
348
349 int user_list_display(int online_user)
350 {
351 char page_info_str[LINE_BUFFER_LEN];
352 USER_INFO users[BBS_user_limit_per_page];
353 USER_ONLINE_INFO online_users[BBS_user_limit_per_page];
354 int user_count = 0;
355 int page_count = 0;
356 int page_id = 0;
357 int selected_index = 0;
358 int ret = 0;
359
360 user_list_draw_screen(online_user);
361
362 if (online_user)
363 {
364 ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
365 if (ret < 0)
366 {
367 log_error("query_user_online_list(page_id=%d) error", page_id);
368 return -2;
369 }
370 }
371 else
372 {
373 ret = query_user_list(page_id, users, &user_count, &page_count);
374 if (ret < 0)
375 {
376 log_error("query_user_list(page_id=%d) error", page_id);
377 return -2;
378 }
379 }
380
381 if (user_count == 0) // empty list
382 {
383 selected_index = 0;
384 }
385
386 while (!SYS_server_exit)
387 {
388 if (online_user)
389 {
390 ret = user_online_list_draw_items(page_id, online_users, user_count);
391 if (ret < 0)
392 {
393 log_error("user_online_list_draw_items(page_id=%d) error", page_id);
394 return -3;
395 }
396 }
397 else
398 {
399 ret = user_list_draw_items(page_id, users, user_count);
400 if (ret < 0)
401 {
402 log_error("user_list_draw_items(page_id=%d) error", page_id);
403 return -3;
404 }
405 }
406
407 snprintf(page_info_str, sizeof(page_info_str),
408 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
409 page_id + 1, MAX(page_count, 1));
410
411 show_bottom(page_info_str);
412 iflush();
413
414 if (user_online_update(online_user ? "USER_ONLINE" : "USER_LIST") < 0)
415 {
416 log_error("user_online_update(%s) error",
417 (online_user ? "USER_ONLINE" : "USER_LIST"));
418 }
419
420 ret = user_list_select(page_count, user_count, &page_id, &selected_index);
421 switch (ret)
422 {
423 case EXIT_LIST:
424 return 0;
425 case REFRESH_LIST:
426 case CHANGE_PAGE:
427 if (online_user)
428 {
429 ret = query_user_online_list(page_id, online_users, &user_count, &page_count);
430 if (ret < 0)
431 {
432 log_error("query_user_online_list(page_id=%d) error", page_id);
433 return -2;
434 }
435 }
436 else
437 {
438 ret = query_user_list(page_id, users, &user_count, &page_count);
439 if (ret < 0)
440 {
441 log_error("query_user_list(page_id=%d) error", page_id);
442 return -2;
443 }
444 }
445
446 if (user_count == 0) // empty list
447 {
448 selected_index = 0;
449 }
450 else if (selected_index >= user_count)
451 {
452 selected_index = user_count - 1;
453 }
454 break;
455 case VIEW_USER:
456 user_info_display(online_user ? &(online_users[selected_index].user_info) : &(users[selected_index]));
457 user_list_draw_screen(online_user);
458 break;
459 case SEARCH_USER:
460 user_list_search();
461 user_list_draw_screen(online_user);
462 break;
463 case SHOW_HELP:
464 // Display help information
465 display_file(DATA_READ_HELP, 1);
466 user_list_draw_screen(online_user);
467 break;
468 default:
469 log_error("Unknown command %d", ret);
470 }
471 }
472
473 return 0;
474 }
475
476 int user_list_search(void)
477 {
478 const int users_per_line = 5;
479 const int max_user_lines = 20;
480 const int max_user_cnt = users_per_line * max_user_lines + 1;
481
482 char username[BBS_username_max_len + 1];
483 int32_t uid_list[max_user_cnt];
484 char username_list[max_user_cnt][BBS_username_max_len + 1];
485 int ret;
486 int i;
487 USER_INFO user_info;
488 char user_intro[BBS_user_intro_max_len + 1];
489 int ok;
490 int ch;
491
492 username[0] = '\0';
493
494 clearscr();
495
496 while (!SYS_server_exit)
497 {
498 clrline(3, SCREEN_ROWS);
499 get_data(2, 1, "查找谁: ", username, sizeof(username), BBS_username_max_len);
500
501 if (username[0] == '\0')
502 {
503 return 0;
504 }
505
506 // Verify format
507 for (i = 0, ok = 1; ok && username[i] != '\0'; i++)
508 {
509 if (!(isalpha((int)username[i]) || (i > 0 && (isdigit((int)username[i]) || username[i] == '_'))))
510 {
511 ok = 0;
512 }
513 }
514 if (ok && i > BBS_username_max_len)
515 {
516 ok = 0;
517 }
518 if (!ok)
519 {
520 moveto(3, 1);
521 clrtoeol();
522 prints("用户名格式非法");
523 press_any_key();
524 continue;
525 }
526
527 clrline(3, SCREEN_ROWS);
528
529 ret = query_user_info_by_username(username, max_user_cnt, uid_list, username_list);
530
531 if (ret < 0)
532 {
533 log_error("query_user_info_by_username(%s) error", username);
534 return -1;
535 }
536 else if (ret > 1)
537 {
538 for (i = 0; i < MIN(ret, users_per_line * max_user_lines); i++)
539 {
540 moveto(4 + i / users_per_line, 3 + i % users_per_line * (BBS_username_max_len + 3));
541 prints("%s", username_list[i]);
542 }
543 moveto(SCREEN_ROWS, 1);
544 if (ret > users_per_line * max_user_lines)
545 {
546 prints("还有更多...");
547 }
548
549 moveto(3, 1);
550 prints("存在多个匹配的用户,按\033[1;33mEnter\033[m精确查找");
551 iflush();
552
553 ch = igetch_t(BBS_max_user_idle_time);
554 switch (ch)
555 {
556 case KEY_NULL:
557 case KEY_TIMEOUT:
558 return -1;
559 case KEY_ESC:
560 return 0;
561 case CR:
562 ret = (strcasecmp(username_list[0], username) == 0 ? 1 : 0);
563 break;
564 default:
565 i = (int)strnlen(username, sizeof(username) - 1);
566 if (i + 1 <= BBS_username_max_len && (isalnum(ch) || ch == '_'))
567 {
568 username[i] = (char)ch;
569 username[i + 1] = '\0';
570 }
571 continue;
572 }
573 }
574
575 clrline(3, SCREEN_ROWS);
576 if (ret == 0)
577 {
578 moveto(3, 1);
579 prints("没有找到符合条件的用户");
580 press_any_key();
581 return 0;
582 }
583 else // ret == 1
584 {
585 if (query_user_info_by_uid(uid_list[0], &user_info, user_intro, sizeof(user_intro)) <= 0)
586 {
587 log_error("query_user_info_by_uid(uid=%d) error", uid_list[0]);
588 return -2;
589 }
590 else if (user_info_display(&user_info) < 0)
591 {
592 log_error("user_info_display(uid=%d) error", uid_list[0]);
593 return -3;
594 }
595 return 1;
596 }
597 }
598
599 return 0;
600 }

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