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

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Revision 1.61 - (show annotations)
Sun Nov 2 14:38:53 2025 UTC (4 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.60: +2 -1 lines
Content type: text/x-csrc
Add user search in user list display
Fix bug: memory of user introduction pointed by USER_INFO.intro might be overwritten during user_list_pool_reload(),
         use external buffer passed into query_user_info_by_uid() to prevent this issue.

1 /***************************************************************************
2 section_list_display.c - description
3 -------------------
4 Copyright : (C) 2004-2025 by Leaflet
5 Email : leaflet@leafok.com
6 ***************************************************************************/
7
8 /***************************************************************************
9 * *
10 * This program is free software; you can redistribute it and/or modify *
11 * it under the terms of the GNU General Public License as published by *
12 * the Free Software Foundation; either version 3 of the License, or *
13 * (at your option) any later version. *
14 * *
15 ***************************************************************************/
16
17 #include "article_cache.h"
18 #include "article_favor.h"
19 #include "article_op.h"
20 #include "article_post.h"
21 #include "article_view_log.h"
22 #include "article_del.h"
23 #include "common.h"
24 #include "io.h"
25 #include "log.h"
26 #include "login.h"
27 #include "menu.h"
28 #include "menu_proc.h"
29 #include "section_list_display.h"
30 #include "section_list_loader.h"
31 #include "screen.h"
32 #include "str_process.h"
33 #include "user_info_display.h"
34 #include "user_priv.h"
35 #include <errno.h>
36 #include <string.h>
37 #include <time.h>
38 #include <sys/param.h>
39
40 static int32_t section_aid_locations[BBS_max_section] = {0};
41 static int section_topic_view_mode = 0;
42 static int section_topic_view_tid = -1;
43
44 enum select_cmd_t
45 {
46 EXIT_SECTION = 0,
47 VIEW_ARTICLE,
48 CHANGE_PAGE,
49 SHOW_HELP,
50 CHANGE_NAME_DISPLAY,
51 POST_ARTICLE,
52 EDIT_ARTICLE,
53 DELETE_ARTICLE,
54 QUERY_ARTICLE,
55 QUERY_USER,
56 SET_FAVOR_ARTICLE,
57 UNSET_FAVOR_ARTICLE,
58 FIRST_TOPIC_ARTICLE,
59 LAST_TOPIC_ARTICLE,
60 SCAN_NEW_ARTICLE,
61 VIEW_EX_DIR,
62 SHOW_TOP10,
63 };
64
65 static int section_list_draw_items(int page_id, ARTICLE *p_articles[], int article_count, int display_nickname, int ontop_start_offset)
66 {
67 char str_time[LINE_BUFFER_LEN];
68 struct tm tm_sub;
69 char title_f[BBS_article_title_max_len + 1];
70 int title_f_len;
71 int eol;
72 int len;
73 int i;
74 size_t j;
75 char article_flag;
76 int is_viewed;
77 int is_favor;
78 time_t tm_now;
79
80 time(&tm_now);
81
82 clrline(4, 23);
83
84 for (i = 0; i < article_count; i++)
85 {
86 if (p_articles[i]->uid == BBS_priv.uid)
87 {
88 is_viewed = 1;
89 }
90 else
91 {
92 is_viewed = article_view_log_is_viewed(p_articles[i]->aid, &BBS_article_view_log);
93 if (is_viewed < 0)
94 {
95 log_error("article_view_log_is_viewed(aid=%d) error\n", p_articles[i]->aid);
96 is_viewed = 0;
97 }
98 }
99
100 if (p_articles[i]->tid == 0)
101 {
102 is_favor = article_favor_check(p_articles[i]->aid, &BBS_article_favor);
103 if (is_favor < 0)
104 {
105 log_error("article_favor_check(aid=%d) error\n", p_articles[i]->aid);
106 is_favor = 0;
107 }
108 }
109 else
110 {
111 is_favor = 0;
112 }
113
114 if (p_articles[i]->excerption)
115 {
116 article_flag = (is_viewed ? 'm' : 'M');
117 }
118 else if (p_articles[i]->lock && is_viewed)
119 {
120 article_flag = 'x';
121 }
122 else
123 {
124 article_flag = (is_viewed ? ' ' : 'N');
125 }
126
127 localtime_r(&p_articles[i]->sub_dt, &tm_sub);
128 if (tm_now - p_articles[i]->sub_dt < 3600 * 24 * 365)
129 {
130 strftime(str_time, sizeof(str_time), "%b %e ", &tm_sub);
131 }
132 else
133 {
134 strftime(str_time, sizeof(str_time), "%m/%Y", &tm_sub);
135 }
136
137 strncpy(title_f, (p_articles[i]->tid == 0 ? "● " : ""), sizeof(title_f) - 1);
138 title_f[sizeof(title_f) - 1] = '\0';
139 strncat(title_f, (p_articles[i]->transship ? "[转载]" : ""), sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
140
141 // Rewrite title with "Re: Re: " prefix into "Re: ... "
142 j = 0;
143 if (p_articles[i]->tid != 0)
144 {
145 while (strncmp(p_articles[i]->title + j, "Re: ", strlen("Re: ")) == 0)
146 {
147 j += strlen("Re: ");
148 }
149 if (j >= strlen("Re: Re: "))
150 {
151 strncat(title_f, "Re: ... ", sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
152 }
153 else
154 {
155 j = 0;
156 }
157 }
158 strncat(title_f, p_articles[i]->title + j, sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
159
160 len = split_line(title_f, 59 - (display_nickname ? BBS_nickname_max_len / 2 : BBS_username_max_len), &eol, &title_f_len, 1);
161 if (title_f[len] != '\0')
162 {
163 title_f[len] = '\0';
164 }
165
166 moveto(4 + i, 1);
167 if (i >= ontop_start_offset)
168 {
169 prints(" \033[1;33m[提示]\033[m%c%c %s%*s %s %s%s\033[m",
170 (is_favor ? '@' : ' '),
171 article_flag,
172 (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
173 (display_nickname ? BBS_nickname_max_len / 2 - str_length(p_articles[i]->nickname, 1)
174 : BBS_username_max_len - str_length(p_articles[i]->username, 1)),
175 "",
176 str_time,
177 (p_articles[i]->aid == section_topic_view_tid
178 ? "\033[1;33m"
179 : (p_articles[i]->tid == section_topic_view_tid
180 ? "\033[1;36m"
181 : "")),
182 title_f);
183 }
184 else
185 {
186 prints(" %s%7d\033[m%c%c %s%*s %s %s%s\033[m",
187 (p_articles[i]->aid == section_topic_view_tid
188 ? "\033[1;33m"
189 : (p_articles[i]->tid == section_topic_view_tid
190 ? "\033[1;36m"
191 : "")),
192 p_articles[i]->aid,
193 (is_favor ? '@' : ' '),
194 article_flag,
195 (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
196 (display_nickname ? BBS_nickname_max_len / 2 - str_length(p_articles[i]->nickname, 1)
197 : BBS_username_max_len - str_length(p_articles[i]->username, 1)),
198 "",
199 str_time,
200 (p_articles[i]->aid == section_topic_view_tid
201 ? "\033[1;33m"
202 : (p_articles[i]->tid == section_topic_view_tid
203 ? "\033[1;36m"
204 : "")),
205 title_f);
206 }
207 }
208
209 return 0;
210 }
211
212 static int section_list_draw_screen(const char *sname, const char *stitle, const char *master_list, int display_nickname)
213 {
214 char str_section_master[LINE_BUFFER_LEN] = "诚征版主中";
215 char str_section_name[LINE_BUFFER_LEN];
216
217 if (master_list[0] != '\0')
218 {
219 snprintf(str_section_master, sizeof(str_section_master), "版主:%s", master_list);
220 }
221 snprintf(str_section_name, sizeof(str_section_name), "讨论区 [%s]", sname);
222
223 clearscr();
224 show_top(str_section_master, stitle, str_section_name);
225 moveto(2, 0);
226 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] "
227 "阅读[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 发表[\033[1;32mCtrl-P\033[0;37m] "
228 "%s[\033[1;32mn\033[0;37m] 精华区[\033[1;32mx\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m",
229 (display_nickname ? "用户名" : "昵称"));
230 moveto(3, 0);
231 if (display_nickname)
232 {
233 prints("\033[44;37m \033[1;37m 编 号 发布者昵称 日 期 文章标题 \033[m");
234 }
235 else
236 {
237 prints("\033[44;37m \033[1;37m 编 号 发 布 者 日 期 文章标题 \033[m");
238 }
239
240 return 0;
241 }
242
243 static enum select_cmd_t section_list_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
244 {
245 int old_page_id = *p_page_id;
246 int old_selected_index = *p_selected_index;
247 int ch;
248 time_t last_refresh_tm = time(NULL);
249
250 if (item_count > 0 && *p_selected_index >= 0)
251 {
252 moveto(4 + *p_selected_index, 1);
253 outc('>');
254 iflush();
255 }
256
257 while (!SYS_server_exit)
258 {
259 ch = igetch(100);
260
261 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
262 {
263 BBS_last_access_tm = time(NULL);
264 }
265
266 switch (ch)
267 {
268 case KEY_NULL: // broken pipe
269 log_error("KEY_NULL\n");
270 return EXIT_SECTION;
271 case KEY_TIMEOUT:
272 if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
273 {
274 log_error("User input timeout\n");
275 return EXIT_SECTION;
276 }
277 continue;
278 case KEY_ESC:
279 case KEY_LEFT:
280 return EXIT_SECTION;
281 case 'n':
282 return CHANGE_NAME_DISPLAY;
283 case CR:
284 case 'r':
285 case KEY_RIGHT:
286 if (item_count > 0)
287 {
288 return VIEW_ARTICLE;
289 }
290 break;
291 case Ctrl('P'):
292 return POST_ARTICLE;
293 case 'E':
294 if (item_count > 0)
295 {
296 return EDIT_ARTICLE;
297 }
298 break;
299 case 'd':
300 if (item_count > 0)
301 {
302 return DELETE_ARTICLE;
303 }
304 break;
305 case Ctrl('Q'):
306 if (item_count > 0)
307 {
308 return QUERY_ARTICLE;
309 }
310 break;
311 case Ctrl('A'):
312 if (item_count > 0)
313 {
314 return QUERY_USER;
315 }
316 break;
317 case 'F':
318 if (item_count > 0)
319 {
320 return SET_FAVOR_ARTICLE;
321 }
322 break;
323 case '-':
324 if (item_count > 0)
325 {
326 return UNSET_FAVOR_ARTICLE;
327 }
328 break;
329 case KEY_HOME:
330 *p_page_id = 0;
331 case 'P':
332 case KEY_PGUP:
333 *p_selected_index = 0;
334 case 'k':
335 case KEY_UP:
336 if (*p_selected_index <= 0)
337 {
338 if (*p_page_id > 0)
339 {
340 (*p_page_id)--;
341 *p_selected_index = BBS_article_limit_per_page - 1;
342 }
343 else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of section list
344 {
345 if (total_page > 0)
346 {
347 *p_page_id = total_page - 1;
348 }
349 if (item_count > 0)
350 {
351 *p_selected_index = item_count - 1;
352 }
353 }
354 }
355 else
356 {
357 (*p_selected_index)--;
358 }
359 break;
360 case '$':
361 case KEY_END:
362 if (total_page > 0)
363 {
364 *p_page_id = total_page - 1;
365 }
366 case 'N':
367 case KEY_PGDN:
368 if (item_count > 0)
369 {
370 *p_selected_index = item_count - 1;
371 }
372 case 'j':
373 case KEY_DOWN:
374 if (*p_selected_index + 1 >= item_count) // next page
375 {
376 if (*p_page_id + 1 < total_page)
377 {
378 (*p_page_id)++;
379 *p_selected_index = 0;
380 }
381 else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of section list
382 {
383 *p_page_id = 0;
384 *p_selected_index = 0;
385 }
386 }
387 else
388 {
389 (*p_selected_index)++;
390 }
391 break;
392 case '=':
393 if (item_count > 0)
394 {
395 return FIRST_TOPIC_ARTICLE;
396 }
397 break;
398 case '\\':
399 if (item_count > 0)
400 {
401 return LAST_TOPIC_ARTICLE;
402 }
403 break;
404 case 'S':
405 if (item_count > 0)
406 {
407 return SCAN_NEW_ARTICLE;
408 }
409 break;
410 case 'h':
411 return SHOW_HELP;
412 case 'x':
413 return VIEW_EX_DIR;
414 case 'H':
415 return SHOW_TOP10;
416 default:
417 break;
418 }
419
420 if (old_page_id != *p_page_id)
421 {
422 return CHANGE_PAGE;
423 }
424
425 if (item_count > 0 && old_selected_index != *p_selected_index)
426 {
427 if (old_selected_index >= 0)
428 {
429 moveto(4 + old_selected_index, 1);
430 outc(' ');
431 }
432 if (*p_selected_index >= 0)
433 {
434 moveto(4 + *p_selected_index, 1);
435 outc('>');
436 }
437 iflush();
438
439 old_selected_index = *p_selected_index;
440 }
441
442 if (BBS_last_access_tm - last_refresh_tm >= BBS_section_list_load_interval)
443 {
444 return CHANGE_PAGE; // force section list refresh
445 }
446 }
447
448 return EXIT_SECTION;
449 }
450
451 static int display_article_key_handler(int *p_key, DISPLAY_CTX *p_ctx)
452 {
453 switch (*p_key)
454 {
455 case 'p':
456 case Ctrl('X'):
457 section_topic_view_mode = !section_topic_view_mode;
458 case 0: // Set msg
459 if (section_topic_view_mode)
460 {
461 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
462 "| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] "
463 "同主题阅读[\033[32m↑\033[33m/\033[32m↓\033[33m] "
464 "切换[\033[32mp\033[33m] 回复[\033[32mr\033[33m] 帮助[\033[32mh\033[33m] |");
465 }
466 else
467 {
468 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
469 "| 返回[\033[32m←\033[33m,\033[32mESC\033[33m] "
470 "移动[\033[32m↑\033[33m/\033[32m↓\033[33m/\033[32mPgUp\033[33m/\033[32mPgDn\033[33m] "
471 "切换[\033[32mp\033[33m] 回复[\033[32mr\033[33m] 帮助[\033[32mh\033[33m] |");
472 }
473 *p_key = 0;
474 break;
475 case 'r': // Reply article
476 return 1;
477 case '=': // First topic article
478 return 1;
479 case '\\': // Last topic article
480 return 1;
481 case KEY_UP:
482 case KEY_PGUP:
483 case KEY_HOME:
484 if (p_ctx->reach_begin)
485 {
486 if (section_topic_view_mode)
487 {
488 *p_key = KEY_PGUP;
489 }
490 else
491 {
492 *p_key = KEY_UP;
493 }
494 return 1;
495 }
496 break;
497 case 'k':
498 if (section_topic_view_mode)
499 {
500 *p_key = KEY_PGUP;
501 }
502 else
503 {
504 *p_key = KEY_UP;
505 }
506 return 1;
507 case KEY_DOWN:
508 case KEY_PGDN:
509 case KEY_END:
510 if (p_ctx->reach_end)
511 {
512 if (section_topic_view_mode)
513 {
514 *p_key = KEY_PGDN;
515 }
516 else
517 {
518 *p_key = KEY_DOWN;
519 }
520 return 1;
521 }
522 break;
523 case 'j':
524 if (section_topic_view_mode)
525 {
526 *p_key = KEY_PGDN;
527 }
528 else
529 {
530 *p_key = KEY_DOWN;
531 }
532 return 1;
533 }
534
535 return 0;
536 }
537
538 int section_list_display(const char *sname, int32_t aid)
539 {
540 static int display_nickname = 0;
541
542 SECTION_LIST *p_section;
543 int64_t section_index;
544 int32_t aid_location;
545 char stitle[BBS_section_title_max_len + 1];
546 char master_list[(BBS_username_max_len + 1) * 3 + 1];
547 char page_info_str[LINE_BUFFER_LEN];
548 ARTICLE *p_articles[BBS_article_limit_per_page];
549 int article_count;
550 int page_count;
551 int ontop_start_offset;
552 int page_id = 0;
553 int selected_index = 0;
554 ARTICLE_CACHE cache;
555 int ret;
556 int loop;
557 int direction;
558 ARTICLE article_new;
559 int page_id_cur;
560 const ARTICLE *p_article_locate;
561 USER_INFO user_info;
562 char user_intro[BBS_user_intro_max_len];
563
564 p_section = section_list_find_by_name(sname);
565 if (p_section == NULL)
566 {
567 log_error("Section %s not found\n", sname);
568 return -1;
569 }
570
571 if (!checkpriv(&BBS_priv, p_section->sid, S_LIST))
572 {
573 log_error("Forbid access to unauthorized section, sid=%d, uid=%d\n",
574 p_section->sid, BBS_priv.uid);
575 return -1;
576 }
577
578 section_index = get_section_index(p_section);
579
580 if (get_section_info(p_section, NULL, stitle, master_list) < 0)
581 {
582 log_error("get_section_info(sid=%d) error\n", p_section->sid);
583 return -4;
584 }
585
586 if (aid == 0)
587 {
588 aid_location = section_aid_locations[section_index];
589 }
590 else
591 {
592 aid_location = aid;
593 }
594
595 // Locate at article with aid_locate
596 if (aid_location > 0)
597 {
598 p_article_locate = article_block_find_by_aid(aid_location);
599 if (p_article_locate == NULL)
600 {
601 log_error("article_block_find_by_aid(%d) error\n", aid_location);
602 return -3;
603 }
604
605 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
606 &page_id, &selected_index, &article_count);
607 if (ret < 0)
608 {
609 log_error("locate_article_in_section(sid=%d, aid=%d, direction=0, step=0) error\n",
610 p_section->sid, p_article_locate->aid);
611 return -3;
612 }
613 }
614
615 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
616 {
617 log_error("section_list_draw_screen() error\n");
618 return -2;
619 }
620
621 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
622 if (ret < 0)
623 {
624 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
625 return -3;
626 }
627
628 section_topic_view_tid = -1;
629
630 if (article_count == 0) // empty section
631 {
632 selected_index = 0;
633 }
634 else if (aid > 0)
635 {
636 // Update current topic
637 section_topic_view_tid = (p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
638
639 // Update current aid location
640 section_aid_locations[section_index] = p_articles[selected_index]->aid;
641 }
642
643 while (!SYS_server_exit)
644 {
645 ret = section_list_draw_items(page_id, p_articles, article_count, display_nickname, ontop_start_offset);
646 if (ret < 0)
647 {
648 log_error("section_list_draw_items(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
649 return -4;
650 }
651
652 snprintf(page_info_str, sizeof(page_info_str),
653 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
654 page_id + 1, MAX(page_count, 1));
655
656 show_bottom(page_info_str);
657 iflush();
658
659 if (user_online_update(sname) < 0)
660 {
661 log_error("user_online_update(%s) error\n", sname);
662 }
663
664 ret = section_list_select(page_count, article_count, &page_id, &selected_index);
665
666 // Update current aid location
667 section_aid_locations[section_index] = p_articles[selected_index]->aid;
668
669 switch (ret)
670 {
671 case EXIT_SECTION:
672 return 0;
673 case CHANGE_PAGE:
674 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
675 if (ret < 0)
676 {
677 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
678 return -3;
679 }
680 if (article_count == 0) // empty section
681 {
682 selected_index = 0;
683 }
684 else if (selected_index >= article_count)
685 {
686 selected_index = article_count - 1;
687 }
688 break;
689 case VIEW_ARTICLE:
690 do
691 {
692 loop = 0;
693
694 if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_articles[selected_index]) < 0)
695 {
696 log_error("article_cache_load(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
697 break;
698 }
699
700 if (user_online_update("VIEW_ARTICLE") < 0)
701 {
702 log_error("user_online_update(VIEW_ARTICLE) error\n");
703 }
704
705 ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
706 display_article_key_handler, DATA_READ_HELP);
707
708 if (article_cache_unload(&cache) < 0)
709 {
710 log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
711 break;
712 }
713
714 // Update article_view_log
715 if (article_view_log_set_viewed(p_articles[selected_index]->aid, &BBS_article_view_log) < 0)
716 {
717 log_error("article_view_log_set_viewed(aid=%d) error\n", p_articles[selected_index]->aid);
718 }
719
720 switch (ret)
721 {
722 case KEY_UP:
723 if (selected_index <= 0)
724 {
725 if (page_id > 0)
726 {
727 page_id--;
728 selected_index = BBS_article_limit_per_page - 1;
729
730 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
731 if (ret < 0)
732 {
733 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
734 return -3;
735 }
736
737 if (article_count != BBS_article_limit_per_page) // page is not full
738 {
739 selected_index = MAX(0, article_count - 1);
740 }
741 else
742 {
743 loop = 1;
744 }
745 }
746 }
747 else
748 {
749 selected_index--;
750 loop = 1;
751 }
752 break;
753 case KEY_DOWN:
754 if (selected_index + 1 >= article_count) // next page
755 {
756 if (page_id + 1 < page_count)
757 {
758 page_id++;
759 selected_index = 0;
760
761 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
762 if (ret < 0)
763 {
764 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
765 return -3;
766 }
767
768 if (article_count == 0) // empty page
769 {
770 selected_index = 0;
771 }
772 else
773 {
774 loop = 1;
775 }
776 }
777 }
778 else
779 {
780 selected_index++;
781 loop = 1;
782 }
783 break;
784 case KEY_PGUP:
785 case KEY_PGDN:
786 direction = (ret == KEY_PGUP ? -1 : 1);
787 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, 1,
788 &page_id, &selected_index, &article_count);
789 if (ret < 0)
790 {
791 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=1) error\n",
792 p_section->sid, p_articles[selected_index]->aid, direction);
793 return -3;
794 }
795 else if (ret > 0) // found
796 {
797 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
798 if (ret < 0)
799 {
800 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
801 return -3;
802 }
803 loop = 1;
804 }
805 break;
806 case 'r': // Reply article
807 if (user_online_update("REPLY_ARTICLE") < 0)
808 {
809 log_error("user_online_update(REPLY_ARTICLE) error\n");
810 }
811
812 if (article_reply(p_section, p_articles[selected_index], &article_new) < 0)
813 {
814 log_error("article_reply(aid=%d) error\n", p_articles[selected_index]->aid);
815 }
816 loop = 1;
817 break;
818 case '=': // First topic article
819 case '\\': // Last topic article
820 page_id_cur = page_id;
821 direction = (ret == '=' ? -1 : 1);
822 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
823 &page_id, &selected_index, &article_count);
824 if (ret < 0)
825 {
826 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
827 p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
828 return -3;
829 }
830 else if (ret > 0) // found
831 {
832 if (page_id != page_id_cur) // page changed
833 {
834 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
835 if (ret < 0)
836 {
837 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
838 return -3;
839 }
840 }
841 loop = 1;
842 }
843 break;
844 }
845 } while (loop);
846
847 // Update current topic
848 section_topic_view_tid = (p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
849
850 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
851 {
852 log_error("section_list_draw_screen() error\n");
853 return -2;
854 }
855 break;
856 case CHANGE_NAME_DISPLAY:
857 display_nickname = !display_nickname;
858 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
859 {
860 log_error("section_list_draw_screen() error\n");
861 return -2;
862 }
863 break;
864 case POST_ARTICLE:
865 if (user_online_update("POST_ARTICLE") < 0)
866 {
867 log_error("user_online_update(POST_ARTICLE) error\n");
868 }
869
870 if ((ret = article_post(p_section, &article_new)) < 0)
871 {
872 log_error("article_post(sid=%d) error\n", p_section->sid);
873 }
874 else if (ret > 0) // New article posted
875 {
876 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
877 if (ret < 0)
878 {
879 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
880 return -3;
881 }
882 }
883 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
884 {
885 log_error("section_list_draw_screen() error\n");
886 return -2;
887 }
888 break;
889 case EDIT_ARTICLE:
890 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
891 p_articles[selected_index]->uid != BBS_priv.uid)
892 {
893 break; // No permission
894 }
895
896 if (user_online_update("EDIT_ARTICLE") < 0)
897 {
898 log_error("user_online_update() error\n");
899 }
900
901 if (article_modify(p_section, p_articles[selected_index], &article_new) < 0)
902 {
903 log_error("article_modify(aid=%d) error\n", p_articles[selected_index]->aid);
904 }
905 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
906 {
907 log_error("section_list_draw_screen() error\n");
908 return -2;
909 }
910 break;
911 case DELETE_ARTICLE:
912 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
913 (!checkpriv(&BBS_priv, p_section->sid, S_MAN_S) && p_articles[selected_index]->uid != BBS_priv.uid))
914 {
915 break; // No permission
916 }
917 if ((ret = article_del(p_section, p_articles[selected_index])) < 0)
918 {
919 log_error("article_del(aid=%d) error\n", p_articles[selected_index]->aid);
920 }
921 else if (ret > 0) // Article deleted
922 {
923 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
924 if (ret < 0)
925 {
926 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
927 return -3;
928 }
929 }
930 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
931 {
932 log_error("section_list_draw_screen() error\n");
933 return -2;
934 }
935 break;
936 case QUERY_ARTICLE:
937 if ((ret = display_article_meta(p_articles[selected_index]->aid)) < 0)
938 {
939 log_error("display_article_meta(aid=%d) error\n", p_articles[selected_index]->aid);
940 }
941 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
942 {
943 log_error("section_list_draw_screen() error\n");
944 return -2;
945 }
946 break;
947 case QUERY_USER:
948 if ((ret = query_user_info_by_uid(p_articles[selected_index]->uid, &user_info, user_intro, sizeof(user_intro))) < 0)
949 {
950 log_error("query_user_info_by_uid(uid=%d) error\n", p_articles[selected_index]->uid);
951 return -2;
952 }
953 else if (ret == 0)
954 {
955 clearscr();
956 prints("该用户已升天");
957 press_any_key();
958 }
959 else if (user_info_display(&user_info) < 0) // && ret > 0
960 {
961 log_error("user_info_display(uid=%d) error\n", p_articles[selected_index]->uid);
962 }
963
964 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
965 {
966 log_error("section_list_draw_screen() error\n");
967 return -2;
968 }
969 break;
970 case SET_FAVOR_ARTICLE:
971 ret = article_favor_set(p_articles[selected_index]->tid == 0
972 ? p_articles[selected_index]->aid
973 : p_articles[selected_index]->tid,
974 &BBS_article_favor, 1);
975 if (ret < 0)
976 {
977 log_error("article_favor_set(aid=%d, 1) error\n",
978 p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
979 }
980 break;
981 case UNSET_FAVOR_ARTICLE:
982 ret = article_favor_set(p_articles[selected_index]->tid == 0
983 ? p_articles[selected_index]->aid
984 : p_articles[selected_index]->tid,
985 &BBS_article_favor, 0);
986 if (ret < 0)
987 {
988 log_error("article_favor_set(aid=%d, 0) error\n",
989 p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
990 }
991 break;
992 case FIRST_TOPIC_ARTICLE:
993 case LAST_TOPIC_ARTICLE:
994 page_id_cur = page_id;
995 direction = (ret == FIRST_TOPIC_ARTICLE ? -1 : 1);
996 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
997 &page_id, &selected_index, &article_count);
998 if (ret < 0)
999 {
1000 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
1001 p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
1002 return -3;
1003 }
1004 else if (ret > 0 && page_id != page_id_cur) // found and page changed
1005 {
1006 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1007 if (ret < 0)
1008 {
1009 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
1010 return -3;
1011 }
1012 }
1013 break;
1014 case SCAN_NEW_ARTICLE:
1015 ret = scan_unread_article_in_section(p_section, p_articles[selected_index], &p_article_locate);
1016 if (ret < 0)
1017 {
1018 log_error("scan_unread_article_in_section(sid=%d, aid=%d) error\n",
1019 p_section->sid, p_articles[selected_index]->aid);
1020 return -3;
1021 }
1022 else if (ret == 0) // not found
1023 {
1024 break;
1025 }
1026 page_id_cur = page_id;
1027 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
1028 &page_id, &selected_index, &article_count);
1029 if (ret < 0)
1030 {
1031 log_error("locate_article_in_section(sid=%d, aid=%d, direction=0, step=0) error\n",
1032 p_section->sid, p_article_locate->aid);
1033 return -3;
1034 }
1035 else if (ret > 0 && page_id != page_id_cur) // found and page changed
1036 {
1037 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1038 if (ret < 0)
1039 {
1040 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
1041 return -3;
1042 }
1043 }
1044 break;
1045 case SHOW_HELP:
1046 // Display help information
1047 display_file(DATA_READ_HELP, 1);
1048 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1049 {
1050 log_error("section_list_draw_screen() error\n");
1051 return -2;
1052 }
1053 break;
1054 case VIEW_EX_DIR:
1055 if (section_list_ex_dir_display(p_section) < 0)
1056 {
1057 log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
1058 }
1059 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1060 {
1061 log_error("section_list_draw_screen() error\n");
1062 return -2;
1063 }
1064 break;
1065 case SHOW_TOP10:
1066 show_top10_menu(NULL);
1067 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1068 {
1069 log_error("section_list_draw_screen() error\n");
1070 return -2;
1071 }
1072 break;
1073 default:
1074 log_error("Unknown command %d\n", ret);
1075 }
1076 }
1077
1078 return 0;
1079 }
1080
1081 int section_list_ex_dir_display(SECTION_LIST *p_section)
1082 {
1083 MENU_SET ex_menu_set;
1084 int ch = 0;
1085
1086 if (p_section == NULL)
1087 {
1088 log_error("NULL pointer error\n");
1089 return -1;
1090 }
1091
1092 if (p_section->ex_menu_tm == 0) // N/A
1093 {
1094 moveto(2, 1);
1095 clrtoeol();
1096 prints("该版块精华区未开放");
1097 press_any_key();
1098 return 0;
1099 }
1100
1101 if (get_section_ex_menu_set(p_section, &ex_menu_set) < 0)
1102 {
1103 log_error("get_section_ex_menu_set(sid=%d) error\n", p_section->sid);
1104 return -3;
1105 }
1106 if (get_menu_shm_readonly(&ex_menu_set) < 0)
1107 {
1108 log_error("get_menu_shm_readonly(sid=%d) error\n", p_section->sid);
1109 return -3;
1110 }
1111
1112 clearscr();
1113 show_bottom("");
1114
1115 if (display_menu(&ex_menu_set) == 0)
1116 {
1117 while (!SYS_server_exit)
1118 {
1119 iflush();
1120 ch = igetch(100);
1121
1122 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
1123 {
1124 BBS_last_access_tm = time(NULL);
1125 }
1126
1127 switch (ch)
1128 {
1129 case KEY_NULL: // broken pipe
1130 log_error("KEY_NULL\n");
1131 return 0;
1132 case KEY_TIMEOUT:
1133 if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
1134 {
1135 log_error("User input timeout\n");
1136 return 0;
1137 }
1138 continue;
1139 case CR:
1140 default:
1141 switch (menu_control(&ex_menu_set, ch))
1142 {
1143 case EXITMENU:
1144 ch = EXITMENU;
1145 break;
1146 case REDRAW:
1147 clearscr();
1148 show_bottom("");
1149 display_menu(&ex_menu_set);
1150 break;
1151 case NOREDRAW:
1152 case UNKNOWN_CMD:
1153 default:
1154 break;
1155 }
1156 }
1157
1158 if (ch == EXITMENU)
1159 {
1160 break;
1161 }
1162 }
1163 }
1164
1165 detach_menu_shm(&ex_menu_set);
1166
1167 return 0;
1168 }
1169
1170 int section_aid_locations_save(int uid)
1171 {
1172 char filename[FILE_PATH_LEN];
1173 FILE *fp;
1174 int i;
1175 int ret = 0;
1176
1177 snprintf(filename, sizeof(filename), "%s/%d", VAR_SECTION_AID_LOC_DIR, uid);
1178
1179 if ((fp = fopen(filename, "wb")) == NULL)
1180 {
1181 log_error("fopen(%s, wb) error: %d\n", filename, errno);
1182 return -1;
1183 }
1184
1185 for (i = 0; i < p_section_list_pool->section_count; i++)
1186 {
1187 if (fwrite(&(p_section_list_pool->sections[i].sid), sizeof(p_section_list_pool->sections[i].sid), 1, fp) != 1)
1188 {
1189 log_error("fwrite(%s, sid) error\n", filename);
1190 ret = -2;
1191 break;
1192 }
1193
1194 if (fwrite(&(section_aid_locations[i]), sizeof(section_aid_locations[i]), 1, fp) != 1)
1195 {
1196 log_error("fwrite(%s, aid) error\n", filename);
1197 ret = -2;
1198 break;
1199 }
1200 }
1201
1202 if (fclose(fp) < 0)
1203 {
1204 log_error("fclose(%s) error: %d\n", filename, errno);
1205 ret = -1;
1206 }
1207
1208 return ret;
1209 }
1210
1211 int section_aid_locations_load(int uid)
1212 {
1213 char filename[FILE_PATH_LEN];
1214 FILE *fp;
1215 int i;
1216 int32_t sid;
1217 int32_t aid;
1218 SECTION_LIST *p_section;
1219 int ret = 0;
1220
1221 snprintf(filename, sizeof(filename), "%s/%d", VAR_SECTION_AID_LOC_DIR, uid);
1222
1223 if ((fp = fopen(filename, "rb")) == NULL)
1224 {
1225 if (errno == ENOENT) // file not exist
1226 {
1227 return 0;
1228 }
1229 log_error("fopen(%s, rb) error: %d\n", filename, errno);
1230 return -1;
1231 }
1232
1233 while (!feof(fp))
1234 {
1235 if (fread(&sid, sizeof(sid), 1, fp) != 1)
1236 {
1237 if (ferror(fp) == 0)
1238 {
1239 break;
1240 }
1241 log_error("fread(%s, sid) error: %d\n", filename, ferror(fp));
1242 ret = -2;
1243 break;
1244 }
1245
1246 if (fread(&aid, sizeof(aid), 1, fp) != 1)
1247 {
1248 if (ferror(fp) == 0)
1249 {
1250 break;
1251 }
1252 log_error("fread(%s, aid) error: %d\n", filename, ferror(fp));
1253 ret = -2;
1254 break;
1255 }
1256
1257 p_section = section_list_find_by_sid(sid);
1258 if (p_section == NULL)
1259 {
1260 continue; // skip section no longer exist
1261 }
1262
1263 i = get_section_index(p_section);
1264 if (i < 0)
1265 {
1266 log_error("get_section_index(sid=%d) error\n", sid);
1267 ret = -3;
1268 break;
1269 }
1270 section_aid_locations[i] = aid;
1271 }
1272
1273 if (fclose(fp) < 0)
1274 {
1275 log_error("fclose(%s) error: %d\n", filename, errno);
1276 ret = -1;
1277 }
1278
1279 return ret;
1280 }

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