/[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 1.60 - (show annotations)
Sun Nov 2 08:35:23 2025 UTC (4 months, 1 week ago) by sysadm
Branch: MAIN
Changes since 1.59: +4 -3 lines
Content type: text/x-csrc
Update section_aid_locations on article selection change

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
563 p_section = section_list_find_by_name(sname);
564 if (p_section == NULL)
565 {
566 log_error("Section %s not found\n", sname);
567 return -1;
568 }
569
570 if (!checkpriv(&BBS_priv, p_section->sid, S_LIST))
571 {
572 log_error("Forbid access to unauthorized section, sid=%d, uid=%d\n",
573 p_section->sid, BBS_priv.uid);
574 return -1;
575 }
576
577 section_index = get_section_index(p_section);
578
579 if (get_section_info(p_section, NULL, stitle, master_list) < 0)
580 {
581 log_error("get_section_info(sid=%d) error\n", p_section->sid);
582 return -4;
583 }
584
585 if (aid == 0)
586 {
587 aid_location = section_aid_locations[section_index];
588 }
589 else
590 {
591 aid_location = aid;
592 }
593
594 // Locate at article with aid_locate
595 if (aid_location > 0)
596 {
597 p_article_locate = article_block_find_by_aid(aid_location);
598 if (p_article_locate == NULL)
599 {
600 log_error("article_block_find_by_aid(%d) error\n", aid_location);
601 return -3;
602 }
603
604 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
605 &page_id, &selected_index, &article_count);
606 if (ret < 0)
607 {
608 log_error("locate_article_in_section(sid=%d, aid=%d, direction=0, step=0) error\n",
609 p_section->sid, p_article_locate->aid);
610 return -3;
611 }
612 }
613
614 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
615 {
616 log_error("section_list_draw_screen() error\n");
617 return -2;
618 }
619
620 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
621 if (ret < 0)
622 {
623 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
624 return -3;
625 }
626
627 section_topic_view_tid = -1;
628
629 if (article_count == 0) // empty section
630 {
631 selected_index = 0;
632 }
633 else if (aid > 0)
634 {
635 // Update current topic
636 section_topic_view_tid = (p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
637
638 // Update current aid location
639 section_aid_locations[section_index] = p_articles[selected_index]->aid;
640 }
641
642 while (!SYS_server_exit)
643 {
644 ret = section_list_draw_items(page_id, p_articles, article_count, display_nickname, ontop_start_offset);
645 if (ret < 0)
646 {
647 log_error("section_list_draw_items(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
648 return -4;
649 }
650
651 snprintf(page_info_str, sizeof(page_info_str),
652 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
653 page_id + 1, MAX(page_count, 1));
654
655 show_bottom(page_info_str);
656 iflush();
657
658 if (user_online_update(sname) < 0)
659 {
660 log_error("user_online_update(%s) error\n", sname);
661 }
662
663 ret = section_list_select(page_count, article_count, &page_id, &selected_index);
664
665 // Update current aid location
666 section_aid_locations[section_index] = p_articles[selected_index]->aid;
667
668 switch (ret)
669 {
670 case EXIT_SECTION:
671 return 0;
672 case CHANGE_PAGE:
673 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
674 if (ret < 0)
675 {
676 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
677 return -3;
678 }
679 if (article_count == 0) // empty section
680 {
681 selected_index = 0;
682 }
683 else if (selected_index >= article_count)
684 {
685 selected_index = article_count - 1;
686 }
687 break;
688 case VIEW_ARTICLE:
689 do
690 {
691 loop = 0;
692
693 if (article_cache_load(&cache, VAR_ARTICLE_CACHE_DIR, p_articles[selected_index]) < 0)
694 {
695 log_error("article_cache_load(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
696 break;
697 }
698
699 if (user_online_update("VIEW_ARTICLE") < 0)
700 {
701 log_error("user_online_update(VIEW_ARTICLE) error\n");
702 }
703
704 ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
705 display_article_key_handler, DATA_READ_HELP);
706
707 if (article_cache_unload(&cache) < 0)
708 {
709 log_error("article_cache_unload(aid=%d, cid=%d) error\n", p_articles[selected_index]->aid, p_articles[selected_index]->cid);
710 break;
711 }
712
713 // Update article_view_log
714 if (article_view_log_set_viewed(p_articles[selected_index]->aid, &BBS_article_view_log) < 0)
715 {
716 log_error("article_view_log_set_viewed(aid=%d) error\n", p_articles[selected_index]->aid);
717 }
718
719 switch (ret)
720 {
721 case KEY_UP:
722 if (selected_index <= 0)
723 {
724 if (page_id > 0)
725 {
726 page_id--;
727 selected_index = BBS_article_limit_per_page - 1;
728
729 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
730 if (ret < 0)
731 {
732 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
733 return -3;
734 }
735
736 if (article_count != BBS_article_limit_per_page) // page is not full
737 {
738 selected_index = MAX(0, article_count - 1);
739 }
740 else
741 {
742 loop = 1;
743 }
744 }
745 }
746 else
747 {
748 selected_index--;
749 loop = 1;
750 }
751 break;
752 case KEY_DOWN:
753 if (selected_index + 1 >= article_count) // next page
754 {
755 if (page_id + 1 < page_count)
756 {
757 page_id++;
758 selected_index = 0;
759
760 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
761 if (ret < 0)
762 {
763 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
764 return -3;
765 }
766
767 if (article_count == 0) // empty page
768 {
769 selected_index = 0;
770 }
771 else
772 {
773 loop = 1;
774 }
775 }
776 }
777 else
778 {
779 selected_index++;
780 loop = 1;
781 }
782 break;
783 case KEY_PGUP:
784 case KEY_PGDN:
785 direction = (ret == KEY_PGUP ? -1 : 1);
786 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, 1,
787 &page_id, &selected_index, &article_count);
788 if (ret < 0)
789 {
790 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=1) error\n",
791 p_section->sid, p_articles[selected_index]->aid, direction);
792 return -3;
793 }
794 else if (ret > 0) // found
795 {
796 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
797 if (ret < 0)
798 {
799 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
800 return -3;
801 }
802 loop = 1;
803 }
804 break;
805 case 'r': // Reply article
806 if (user_online_update("REPLY_ARTICLE") < 0)
807 {
808 log_error("user_online_update(REPLY_ARTICLE) error\n");
809 }
810
811 if (article_reply(p_section, p_articles[selected_index], &article_new) < 0)
812 {
813 log_error("article_reply(aid=%d) error\n", p_articles[selected_index]->aid);
814 }
815 loop = 1;
816 break;
817 case '=': // First topic article
818 case '\\': // Last topic article
819 page_id_cur = page_id;
820 direction = (ret == '=' ? -1 : 1);
821 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
822 &page_id, &selected_index, &article_count);
823 if (ret < 0)
824 {
825 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
826 p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
827 return -3;
828 }
829 else if (ret > 0) // found
830 {
831 if (page_id != page_id_cur) // page changed
832 {
833 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
834 if (ret < 0)
835 {
836 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
837 return -3;
838 }
839 }
840 loop = 1;
841 }
842 break;
843 }
844 } while (loop);
845
846 // Update current topic
847 section_topic_view_tid = (p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
848
849 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
850 {
851 log_error("section_list_draw_screen() error\n");
852 return -2;
853 }
854 break;
855 case CHANGE_NAME_DISPLAY:
856 display_nickname = !display_nickname;
857 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
858 {
859 log_error("section_list_draw_screen() error\n");
860 return -2;
861 }
862 break;
863 case POST_ARTICLE:
864 if (user_online_update("POST_ARTICLE") < 0)
865 {
866 log_error("user_online_update(POST_ARTICLE) error\n");
867 }
868
869 if ((ret = article_post(p_section, &article_new)) < 0)
870 {
871 log_error("article_post(sid=%d) error\n", p_section->sid);
872 }
873 else if (ret > 0) // New article posted
874 {
875 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
876 if (ret < 0)
877 {
878 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
879 return -3;
880 }
881 }
882 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
883 {
884 log_error("section_list_draw_screen() error\n");
885 return -2;
886 }
887 break;
888 case EDIT_ARTICLE:
889 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
890 p_articles[selected_index]->uid != BBS_priv.uid)
891 {
892 break; // No permission
893 }
894
895 if (user_online_update("EDIT_ARTICLE") < 0)
896 {
897 log_error("user_online_update() error\n");
898 }
899
900 if (article_modify(p_section, p_articles[selected_index], &article_new) < 0)
901 {
902 log_error("article_modify(aid=%d) error\n", p_articles[selected_index]->aid);
903 }
904 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
905 {
906 log_error("section_list_draw_screen() error\n");
907 return -2;
908 }
909 break;
910 case DELETE_ARTICLE:
911 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
912 (!checkpriv(&BBS_priv, p_section->sid, S_MAN_S) && p_articles[selected_index]->uid != BBS_priv.uid))
913 {
914 break; // No permission
915 }
916 if ((ret = article_del(p_section, p_articles[selected_index])) < 0)
917 {
918 log_error("article_del(aid=%d) error\n", p_articles[selected_index]->aid);
919 }
920 else if (ret > 0) // Article deleted
921 {
922 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
923 if (ret < 0)
924 {
925 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
926 return -3;
927 }
928 }
929 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
930 {
931 log_error("section_list_draw_screen() error\n");
932 return -2;
933 }
934 break;
935 case QUERY_ARTICLE:
936 if ((ret = display_article_meta(p_articles[selected_index]->aid)) < 0)
937 {
938 log_error("display_article_meta(aid=%d) error\n", p_articles[selected_index]->aid);
939 }
940 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
941 {
942 log_error("section_list_draw_screen() error\n");
943 return -2;
944 }
945 break;
946 case QUERY_USER:
947 if ((ret = query_user_info_by_uid(p_articles[selected_index]->uid, &user_info)) < 0)
948 {
949 log_error("query_user_info_by_uid(uid=%d) error\n", p_articles[selected_index]->uid);
950 return -2;
951 }
952 else if (ret == 0)
953 {
954 clearscr();
955 prints("该用户已升天");
956 press_any_key();
957 }
958 else if (user_info_display(&user_info) < 0) // && ret > 0
959 {
960 log_error("user_info_display(uid=%d) error\n", p_articles[selected_index]->uid);
961 }
962
963 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
964 {
965 log_error("section_list_draw_screen() error\n");
966 return -2;
967 }
968 break;
969 case SET_FAVOR_ARTICLE:
970 ret = article_favor_set(p_articles[selected_index]->tid == 0
971 ? p_articles[selected_index]->aid
972 : p_articles[selected_index]->tid,
973 &BBS_article_favor, 1);
974 if (ret < 0)
975 {
976 log_error("article_favor_set(aid=%d, 1) error\n",
977 p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
978 }
979 break;
980 case UNSET_FAVOR_ARTICLE:
981 ret = article_favor_set(p_articles[selected_index]->tid == 0
982 ? p_articles[selected_index]->aid
983 : p_articles[selected_index]->tid,
984 &BBS_article_favor, 0);
985 if (ret < 0)
986 {
987 log_error("article_favor_set(aid=%d, 0) error\n",
988 p_articles[selected_index]->tid == 0 ? p_articles[selected_index]->aid : p_articles[selected_index]->tid);
989 }
990 break;
991 case FIRST_TOPIC_ARTICLE:
992 case LAST_TOPIC_ARTICLE:
993 page_id_cur = page_id;
994 direction = (ret == FIRST_TOPIC_ARTICLE ? -1 : 1);
995 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, BBS_article_limit_per_section,
996 &page_id, &selected_index, &article_count);
997 if (ret < 0)
998 {
999 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=%d) error\n",
1000 p_section->sid, p_articles[selected_index]->aid, direction, BBS_article_limit_per_section);
1001 return -3;
1002 }
1003 else if (ret > 0 && page_id != page_id_cur) // found and page changed
1004 {
1005 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1006 if (ret < 0)
1007 {
1008 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
1009 return -3;
1010 }
1011 }
1012 break;
1013 case SCAN_NEW_ARTICLE:
1014 ret = scan_unread_article_in_section(p_section, p_articles[selected_index], &p_article_locate);
1015 if (ret < 0)
1016 {
1017 log_error("scan_unread_article_in_section(sid=%d, aid=%d) error\n",
1018 p_section->sid, p_articles[selected_index]->aid);
1019 return -3;
1020 }
1021 else if (ret == 0) // not found
1022 {
1023 break;
1024 }
1025 page_id_cur = page_id;
1026 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
1027 &page_id, &selected_index, &article_count);
1028 if (ret < 0)
1029 {
1030 log_error("locate_article_in_section(sid=%d, aid=%d, direction=0, step=0) error\n",
1031 p_section->sid, p_article_locate->aid);
1032 return -3;
1033 }
1034 else if (ret > 0 && page_id != page_id_cur) // found and page changed
1035 {
1036 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1037 if (ret < 0)
1038 {
1039 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
1040 return -3;
1041 }
1042 }
1043 break;
1044 case SHOW_HELP:
1045 // Display help information
1046 display_file(DATA_READ_HELP, 1);
1047 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1048 {
1049 log_error("section_list_draw_screen() error\n");
1050 return -2;
1051 }
1052 break;
1053 case VIEW_EX_DIR:
1054 if (section_list_ex_dir_display(p_section) < 0)
1055 {
1056 log_error("section_list_ex_dir_display(sid=%d) error\n", p_section->sid);
1057 }
1058 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1059 {
1060 log_error("section_list_draw_screen() error\n");
1061 return -2;
1062 }
1063 break;
1064 case SHOW_TOP10:
1065 show_top10_menu(NULL);
1066 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
1067 {
1068 log_error("section_list_draw_screen() error\n");
1069 return -2;
1070 }
1071 break;
1072 default:
1073 log_error("Unknown command %d\n", ret);
1074 }
1075 }
1076
1077 return 0;
1078 }
1079
1080 int section_list_ex_dir_display(SECTION_LIST *p_section)
1081 {
1082 MENU_SET ex_menu_set;
1083 int ch = 0;
1084
1085 if (p_section == NULL)
1086 {
1087 log_error("NULL pointer error\n");
1088 return -1;
1089 }
1090
1091 if (p_section->ex_menu_tm == 0) // N/A
1092 {
1093 moveto(2, 1);
1094 clrtoeol();
1095 prints("该版块精华区未开放");
1096 press_any_key();
1097 return 0;
1098 }
1099
1100 if (get_section_ex_menu_set(p_section, &ex_menu_set) < 0)
1101 {
1102 log_error("get_section_ex_menu_set(sid=%d) error\n", p_section->sid);
1103 return -3;
1104 }
1105 if (get_menu_shm_readonly(&ex_menu_set) < 0)
1106 {
1107 log_error("get_menu_shm_readonly(sid=%d) error\n", p_section->sid);
1108 return -3;
1109 }
1110
1111 clearscr();
1112 show_bottom("");
1113
1114 if (display_menu(&ex_menu_set) == 0)
1115 {
1116 while (!SYS_server_exit)
1117 {
1118 iflush();
1119 ch = igetch(100);
1120
1121 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
1122 {
1123 BBS_last_access_tm = time(NULL);
1124 }
1125
1126 switch (ch)
1127 {
1128 case KEY_NULL: // broken pipe
1129 log_error("KEY_NULL\n");
1130 return 0;
1131 case KEY_TIMEOUT:
1132 if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
1133 {
1134 log_error("User input timeout\n");
1135 return 0;
1136 }
1137 continue;
1138 case CR:
1139 default:
1140 switch (menu_control(&ex_menu_set, ch))
1141 {
1142 case EXITMENU:
1143 ch = EXITMENU;
1144 break;
1145 case REDRAW:
1146 clearscr();
1147 show_bottom("");
1148 display_menu(&ex_menu_set);
1149 break;
1150 case NOREDRAW:
1151 case UNKNOWN_CMD:
1152 default:
1153 break;
1154 }
1155 }
1156
1157 if (ch == EXITMENU)
1158 {
1159 break;
1160 }
1161 }
1162 }
1163
1164 detach_menu_shm(&ex_menu_set);
1165
1166 return 0;
1167 }
1168
1169 int section_aid_locations_save(int uid)
1170 {
1171 char filename[FILE_PATH_LEN];
1172 FILE *fp;
1173 int i;
1174 int ret = 0;
1175
1176 snprintf(filename, sizeof(filename), "%s/%d", VAR_SECTION_AID_LOC_DIR, uid);
1177
1178 if ((fp = fopen(filename, "wb")) == NULL)
1179 {
1180 log_error("fopen(%s, wb) error: %d\n", filename, errno);
1181 return -1;
1182 }
1183
1184 for (i = 0; i < p_section_list_pool->section_count; i++)
1185 {
1186 if (fwrite(&(p_section_list_pool->sections[i].sid), sizeof(p_section_list_pool->sections[i].sid), 1, fp) != 1)
1187 {
1188 log_error("fwrite(%s, sid) error\n", filename);
1189 ret = -2;
1190 break;
1191 }
1192
1193 if (fwrite(&(section_aid_locations[i]), sizeof(section_aid_locations[i]), 1, fp) != 1)
1194 {
1195 log_error("fwrite(%s, aid) error\n", filename);
1196 ret = -2;
1197 break;
1198 }
1199 }
1200
1201 if (fclose(fp) < 0)
1202 {
1203 log_error("fclose(%s) error: %d\n", filename, errno);
1204 ret = -1;
1205 }
1206
1207 return ret;
1208 }
1209
1210 int section_aid_locations_load(int uid)
1211 {
1212 char filename[FILE_PATH_LEN];
1213 FILE *fp;
1214 int i;
1215 int32_t sid;
1216 int32_t aid;
1217 SECTION_LIST *p_section;
1218 int ret = 0;
1219
1220 snprintf(filename, sizeof(filename), "%s/%d", VAR_SECTION_AID_LOC_DIR, uid);
1221
1222 if ((fp = fopen(filename, "rb")) == NULL)
1223 {
1224 if (errno == ENOENT) // file not exist
1225 {
1226 return 0;
1227 }
1228 log_error("fopen(%s, rb) error: %d\n", filename, errno);
1229 return -1;
1230 }
1231
1232 while (!feof(fp))
1233 {
1234 if (fread(&sid, sizeof(sid), 1, fp) != 1)
1235 {
1236 if (ferror(fp) == 0)
1237 {
1238 break;
1239 }
1240 log_error("fread(%s, sid) error: %d\n", filename, ferror(fp));
1241 ret = -2;
1242 break;
1243 }
1244
1245 if (fread(&aid, sizeof(aid), 1, fp) != 1)
1246 {
1247 if (ferror(fp) == 0)
1248 {
1249 break;
1250 }
1251 log_error("fread(%s, aid) error: %d\n", filename, ferror(fp));
1252 ret = -2;
1253 break;
1254 }
1255
1256 p_section = section_list_find_by_sid(sid);
1257 if (p_section == NULL)
1258 {
1259 continue; // skip section no longer exist
1260 }
1261
1262 i = get_section_index(p_section);
1263 if (i < 0)
1264 {
1265 log_error("get_section_index(sid=%d) error\n", sid);
1266 ret = -3;
1267 break;
1268 }
1269 section_aid_locations[i] = aid;
1270 }
1271
1272 if (fclose(fp) < 0)
1273 {
1274 log_error("fclose(%s) error: %d\n", filename, errno);
1275 ret = -1;
1276 }
1277
1278 return ret;
1279 }

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