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

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Revision 1.61 - (hide 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 sysadm 1.1 /***************************************************************************
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 sysadm 1.9 #include "article_cache.h"
18 sysadm 1.53 #include "article_favor.h"
19 sysadm 1.41 #include "article_op.h"
20 sysadm 1.20 #include "article_post.h"
21 sysadm 1.34 #include "article_view_log.h"
22 sysadm 1.26 #include "article_del.h"
23 sysadm 1.1 #include "common.h"
24     #include "io.h"
25 sysadm 1.34 #include "log.h"
26     #include "login.h"
27 sysadm 1.37 #include "menu.h"
28 sysadm 1.48 #include "menu_proc.h"
29 sysadm 1.34 #include "section_list_display.h"
30     #include "section_list_loader.h"
31 sysadm 1.1 #include "screen.h"
32 sysadm 1.34 #include "str_process.h"
33 sysadm 1.57 #include "user_info_display.h"
34 sysadm 1.18 #include "user_priv.h"
35 sysadm 1.59 #include <errno.h>
36 sysadm 1.29 #include <string.h>
37 sysadm 1.1 #include <time.h>
38 sysadm 1.6 #include <sys/param.h>
39 sysadm 1.1
40 sysadm 1.59 static int32_t section_aid_locations[BBS_max_section] = {0};
41 sysadm 1.11 static int section_topic_view_mode = 0;
42 sysadm 1.13 static int section_topic_view_tid = -1;
43 sysadm 1.11
44 sysadm 1.1 enum select_cmd_t
45     {
46     EXIT_SECTION = 0,
47 sysadm 1.41 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 sysadm 1.57 QUERY_USER,
56 sysadm 1.53 SET_FAVOR_ARTICLE,
57     UNSET_FAVOR_ARTICLE,
58 sysadm 1.41 FIRST_TOPIC_ARTICLE,
59     LAST_TOPIC_ARTICLE,
60 sysadm 1.45 SCAN_NEW_ARTICLE,
61 sysadm 1.41 VIEW_EX_DIR,
62 sysadm 1.48 SHOW_TOP10,
63 sysadm 1.1 };
64    
65 sysadm 1.36 static int section_list_draw_items(int page_id, ARTICLE *p_articles[], int article_count, int display_nickname, int ontop_start_offset)
66 sysadm 1.1 {
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 sysadm 1.42 size_t j;
75 sysadm 1.3 char article_flag;
76 sysadm 1.17 int is_viewed;
77 sysadm 1.53 int is_favor;
78 sysadm 1.3 time_t tm_now;
79    
80     time(&tm_now);
81 sysadm 1.1
82     clrline(4, 23);
83    
84     for (i = 0; i < article_count; i++)
85     {
86 sysadm 1.18 if (p_articles[i]->uid == BBS_priv.uid)
87 sysadm 1.17 {
88 sysadm 1.18 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 sysadm 1.17 }
99    
100 sysadm 1.53 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 sysadm 1.3 if (p_articles[i]->excerption)
115     {
116 sysadm 1.17 article_flag = (is_viewed ? 'm' : 'M');
117 sysadm 1.3 }
118 sysadm 1.17 else if (p_articles[i]->lock && is_viewed)
119 sysadm 1.3 {
120     article_flag = 'x';
121     }
122 sysadm 1.35 else
123     {
124     article_flag = (is_viewed ? ' ' : 'N');
125     }
126 sysadm 1.3
127 sysadm 1.1 localtime_r(&p_articles[i]->sub_dt, &tm_sub);
128 sysadm 1.3 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 sysadm 1.40 strncpy(title_f, (p_articles[i]->tid == 0 ? "● " : ""), sizeof(title_f) - 1);
138 sysadm 1.1 title_f[sizeof(title_f) - 1] = '\0';
139 sysadm 1.40 strncat(title_f, (p_articles[i]->transship ? "[转载]" : ""), sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
140 sysadm 1.42
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 sysadm 1.51 len = split_line(title_f, 59 - (display_nickname ? BBS_nickname_max_len / 2 : BBS_username_max_len), &eol, &title_f_len, 1);
161 sysadm 1.1 if (title_f[len] != '\0')
162     {
163     title_f[len] = '\0';
164     }
165    
166     moveto(4 + i, 1);
167 sysadm 1.36 if (i >= ontop_start_offset)
168     {
169 sysadm 1.53 prints(" \033[1;33m[提示]\033[m%c%c %s%*s %s %s%s\033[m",
170     (is_favor ? '@' : ' '),
171 sysadm 1.36 article_flag,
172     (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
173 sysadm 1.43 (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 sysadm 1.36 "",
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 sysadm 1.53 prints(" %s%7d\033[m%c%c %s%*s %s %s%s\033[m",
187 sysadm 1.36 (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 sysadm 1.53 (is_favor ? '@' : ' '),
194 sysadm 1.36 article_flag,
195     (display_nickname ? p_articles[i]->nickname : p_articles[i]->username),
196 sysadm 1.43 (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 sysadm 1.36 "",
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 sysadm 1.1 }
208    
209     return 0;
210     }
211    
212 sysadm 1.5 static int section_list_draw_screen(const char *sname, const char *stitle, const char *master_list, int display_nickname)
213 sysadm 1.1 {
214 sysadm 1.40 char str_section_master[LINE_BUFFER_LEN] = "诚征版主中";
215 sysadm 1.1 char str_section_name[LINE_BUFFER_LEN];
216    
217 sysadm 1.5 if (master_list[0] != '\0')
218 sysadm 1.1 {
219 sysadm 1.40 snprintf(str_section_master, sizeof(str_section_master), "版主：%s", master_list);
220 sysadm 1.1 }
221 sysadm 1.40 snprintf(str_section_name, sizeof(str_section_name), "讨论区 [%s]", sname);
222 sysadm 1.1
223     clearscr();
224 sysadm 1.5 show_top(str_section_master, stitle, str_section_name);
225 sysadm 1.1 moveto(2, 0);
226 sysadm 1.40 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 sysadm 1.1 moveto(3, 0);
231 sysadm 1.4 if (display_nickname)
232     {
233 sysadm 1.40 prints("\033[44;37m \033[1;37m 编 号 发布者昵称 日 期 文章标题 \033[m");
234 sysadm 1.4 }
235     else
236     {
237 sysadm 1.40 prints("\033[44;37m \033[1;37m 编 号 发 布 者 日 期 文章标题 \033[m");
238 sysadm 1.4 }
239 sysadm 1.1
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 sysadm 1.30 time_t last_refresh_tm = time(NULL);
249 sysadm 1.1
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 sysadm 1.54 if (ch != KEY_NULL && ch != KEY_TIMEOUT)
262     {
263     BBS_last_access_tm = time(NULL);
264     }
265    
266 sysadm 1.1 switch (ch)
267     {
268 sysadm 1.57 case KEY_NULL: // broken pipe
269 sysadm 1.54 log_error("KEY_NULL\n");
270     return EXIT_SECTION;
271 sysadm 1.1 case KEY_TIMEOUT:
272 sysadm 1.30 if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
273 sysadm 1.1 {
274 sysadm 1.54 log_error("User input timeout\n");
275     return EXIT_SECTION;
276 sysadm 1.1 }
277     continue;
278 sysadm 1.54 case KEY_ESC:
279     case KEY_LEFT:
280     return EXIT_SECTION;
281 sysadm 1.4 case 'n':
282     return CHANGE_NAME_DISPLAY;
283 sysadm 1.1 case CR:
284 sysadm 1.28 case 'r':
285 sysadm 1.1 case KEY_RIGHT:
286     if (item_count > 0)
287     {
288     return VIEW_ARTICLE;
289     }
290     break;
291 sysadm 1.20 case Ctrl('P'):
292     return POST_ARTICLE;
293     case 'E':
294 sysadm 1.41 if (item_count > 0)
295     {
296     return EDIT_ARTICLE;
297     }
298     break;
299 sysadm 1.26 case 'd':
300 sysadm 1.41 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 sysadm 1.57 case Ctrl('A'):
312     if (item_count > 0)
313     {
314     return QUERY_USER;
315     }
316     break;
317 sysadm 1.53 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 sysadm 1.1 case KEY_HOME:
330     *p_page_id = 0;
331 sysadm 1.28 case 'P':
332 sysadm 1.1 case KEY_PGUP:
333     *p_selected_index = 0;
334 sysadm 1.28 case 'k':
335 sysadm 1.1 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 sysadm 1.44 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 sysadm 1.1 }
355     else
356     {
357     (*p_selected_index)--;
358     }
359     break;
360 sysadm 1.28 case '$':
361 sysadm 1.1 case KEY_END:
362     if (total_page > 0)
363     {
364     *p_page_id = total_page - 1;
365     }
366 sysadm 1.28 case 'N':
367 sysadm 1.1 case KEY_PGDN:
368     if (item_count > 0)
369     {
370     *p_selected_index = item_count - 1;
371     }
372 sysadm 1.28 case 'j':
373 sysadm 1.1 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 sysadm 1.44 else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of section list
382 sysadm 1.25 {
383 sysadm 1.44 *p_page_id = 0;
384     *p_selected_index = 0;
385 sysadm 1.25 }
386 sysadm 1.1 }
387     else
388     {
389     (*p_selected_index)++;
390     }
391     break;
392 sysadm 1.31 case '=':
393 sysadm 1.41 if (item_count > 0)
394     {
395     return FIRST_TOPIC_ARTICLE;
396     }
397     break;
398 sysadm 1.31 case '\\':
399 sysadm 1.41 if (item_count > 0)
400     {
401     return LAST_TOPIC_ARTICLE;
402     }
403     break;
404 sysadm 1.45 case 'S':
405     if (item_count > 0)
406     {
407     return SCAN_NEW_ARTICLE;
408     }
409     break;
410 sysadm 1.28 case 'h':
411     return SHOW_HELP;
412 sysadm 1.37 case 'x':
413     return VIEW_EX_DIR;
414 sysadm 1.49 case 'H':
415 sysadm 1.48 return SHOW_TOP10;
416 sysadm 1.1 default:
417 sysadm 1.56 break;
418 sysadm 1.1 }
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 sysadm 1.30 if (BBS_last_access_tm - last_refresh_tm >= BBS_section_list_load_interval)
443     {
444     return CHANGE_PAGE; // force section list refresh
445     }
446 sysadm 1.1 }
447    
448     return EXIT_SECTION;
449     }
450    
451 sysadm 1.11 static int display_article_key_handler(int *p_key, DISPLAY_CTX *p_ctx)
452 sysadm 1.10 {
453 sysadm 1.11 switch (*p_key)
454 sysadm 1.10 {
455 sysadm 1.11 case 'p':
456 sysadm 1.28 case Ctrl('X'):
457 sysadm 1.11 section_topic_view_mode = !section_topic_view_mode;
458 sysadm 1.10 case 0: // Set msg
459 sysadm 1.11 if (section_topic_view_mode)
460 sysadm 1.10 {
461 sysadm 1.11 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
462 sysadm 1.40 "| 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 sysadm 1.10 }
466     else
467     {
468 sysadm 1.11 snprintf(p_ctx->msg, sizeof(p_ctx->msg),
469 sysadm 1.40 "| 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 sysadm 1.10 }
473 sysadm 1.11 *p_key = 0;
474 sysadm 1.10 break;
475 sysadm 1.20 case 'r': // Reply article
476     return 1;
477 sysadm 1.31 case '=': // First topic article
478     return 1;
479     case '\\': // Last topic article
480     return 1;
481 sysadm 1.12 case KEY_UP:
482 sysadm 1.16 case KEY_PGUP:
483     case KEY_HOME:
484 sysadm 1.12 if (p_ctx->reach_begin)
485     {
486     if (section_topic_view_mode)
487     {
488     *p_key = KEY_PGUP;
489     }
490 sysadm 1.16 else
491     {
492     *p_key = KEY_UP;
493     }
494 sysadm 1.12 return 1;
495     }
496     break;
497 sysadm 1.28 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 sysadm 1.12 case KEY_DOWN:
508 sysadm 1.16 case KEY_PGDN:
509     case KEY_END:
510 sysadm 1.12 if (p_ctx->reach_end)
511     {
512     if (section_topic_view_mode)
513     {
514     *p_key = KEY_PGDN;
515     }
516 sysadm 1.16 else
517     {
518     *p_key = KEY_DOWN;
519     }
520 sysadm 1.12 return 1;
521     }
522     break;
523 sysadm 1.28 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 sysadm 1.10 }
534    
535     return 0;
536     }
537    
538 sysadm 1.46 int section_list_display(const char *sname, int32_t aid)
539 sysadm 1.1 {
540 sysadm 1.4 static int display_nickname = 0;
541    
542 sysadm 1.1 SECTION_LIST *p_section;
543 sysadm 1.46 int64_t section_index;
544     int32_t aid_location;
545 sysadm 1.5 char stitle[BBS_section_title_max_len + 1];
546     char master_list[(BBS_username_max_len + 1) * 3 + 1];
547 sysadm 1.6 char page_info_str[LINE_BUFFER_LEN];
548 sysadm 1.1 ARTICLE *p_articles[BBS_article_limit_per_page];
549     int article_count;
550 sysadm 1.6 int page_count;
551 sysadm 1.36 int ontop_start_offset;
552 sysadm 1.1 int page_id = 0;
553     int selected_index = 0;
554 sysadm 1.10 ARTICLE_CACHE cache;
555 sysadm 1.1 int ret;
556 sysadm 1.12 int loop;
557     int direction;
558 sysadm 1.24 ARTICLE article_new;
559 sysadm 1.31 int page_id_cur;
560 sysadm 1.46 const ARTICLE *p_article_locate;
561 sysadm 1.57 USER_INFO user_info;
562 sysadm 1.61 char user_intro[BBS_user_intro_max_len];
563 sysadm 1.1
564 sysadm 1.50 p_section = section_list_find_by_name(sname);
565 sysadm 1.1 if (p_section == NULL)
566     {
567     log_error("Section %s not found\n", sname);
568     return -1;
569     }
570    
571 sysadm 1.52 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 sysadm 1.50 section_index = get_section_index(p_section);
579    
580 sysadm 1.58 if (get_section_info(p_section, NULL, stitle, master_list) < 0)
581 sysadm 1.5 {
582 sysadm 1.58 log_error("get_section_info(sid=%d) error\n", p_section->sid);
583     return -4;
584 sysadm 1.5 }
585    
586 sysadm 1.46 if (aid == 0)
587     {
588     aid_location = section_aid_locations[section_index];
589     }
590     else
591     {
592     aid_location = aid;
593 sysadm 1.51 }
594 sysadm 1.46
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 sysadm 1.5 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
616 sysadm 1.1 {
617     log_error("section_list_draw_screen() error\n");
618     return -2;
619     }
620    
621 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
622 sysadm 1.5 if (ret < 0)
623 sysadm 1.1 {
624 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
625     return -3;
626 sysadm 1.1 }
627 sysadm 1.5
628 sysadm 1.46 section_topic_view_tid = -1;
629    
630 sysadm 1.5 if (article_count == 0) // empty section
631 sysadm 1.1 {
632     selected_index = 0;
633     }
634 sysadm 1.46 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 sysadm 1.1
643     while (!SYS_server_exit)
644     {
645 sysadm 1.36 ret = section_list_draw_items(page_id, p_articles, article_count, display_nickname, ontop_start_offset);
646 sysadm 1.1 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 sysadm 1.6
652 sysadm 1.7 snprintf(page_info_str, sizeof(page_info_str),
653 sysadm 1.40 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
654 sysadm 1.7 page_id + 1, MAX(page_count, 1));
655 sysadm 1.8
656 sysadm 1.6 show_bottom(page_info_str);
657 sysadm 1.1 iflush();
658    
659 sysadm 1.33 if (user_online_update(sname) < 0)
660     {
661     log_error("user_online_update(%s) error\n", sname);
662     }
663    
664 sysadm 1.6 ret = section_list_select(page_count, article_count, &page_id, &selected_index);
665 sysadm 1.60
666     // Update current aid location
667     section_aid_locations[section_index] = p_articles[selected_index]->aid;
668    
669 sysadm 1.1 switch (ret)
670     {
671     case EXIT_SECTION:
672     return 0;
673     case CHANGE_PAGE:
674 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
675 sysadm 1.5 if (ret < 0)
676 sysadm 1.1 {
677 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
678     return -3;
679 sysadm 1.1 }
680 sysadm 1.5 if (article_count == 0) // empty section
681 sysadm 1.1 {
682     selected_index = 0;
683     }
684 sysadm 1.5 else if (selected_index >= article_count)
685 sysadm 1.1 {
686     selected_index = article_count - 1;
687     }
688     break;
689     case VIEW_ARTICLE:
690 sysadm 1.12 do
691 sysadm 1.9 {
692 sysadm 1.12 loop = 0;
693 sysadm 1.9
694 sysadm 1.12 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 sysadm 1.33 if (user_online_update("VIEW_ARTICLE") < 0)
701     {
702     log_error("user_online_update(VIEW_ARTICLE) error\n");
703     }
704    
705 sysadm 1.19 ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
706 sysadm 1.12 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 sysadm 1.17 // 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 sysadm 1.12 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
731 sysadm 1.12 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
762 sysadm 1.12 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 sysadm 1.31 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, 1,
788     &page_id, &selected_index, &article_count);
789 sysadm 1.12 if (ret < 0)
790     {
791 sysadm 1.31 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=1) error\n",
792 sysadm 1.12 p_section->sid, p_articles[selected_index]->aid, direction);
793     return -3;
794     }
795 sysadm 1.31 else if (ret > 0) // found
796 sysadm 1.12 {
797 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
798 sysadm 1.12 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 sysadm 1.20 case 'r': // Reply article
807 sysadm 1.33 if (user_online_update("REPLY_ARTICLE") < 0)
808     {
809     log_error("user_online_update(REPLY_ARTICLE) error\n");
810     }
811    
812 sysadm 1.24 if (article_reply(p_section, p_articles[selected_index], &article_new) < 0)
813 sysadm 1.20 {
814 sysadm 1.33 log_error("article_reply(aid=%d) error\n", p_articles[selected_index]->aid);
815 sysadm 1.20 }
816     loop = 1;
817     break;
818 sysadm 1.31 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
835 sysadm 1.31 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 sysadm 1.12 }
845     } while (loop);
846 sysadm 1.13
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 sysadm 1.46
850 sysadm 1.35 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 sysadm 1.4 case CHANGE_NAME_DISPLAY:
857     display_nickname = !display_nickname;
858 sysadm 1.5 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
859 sysadm 1.1 {
860     log_error("section_list_draw_screen() error\n");
861     return -2;
862     }
863     break;
864 sysadm 1.20 case POST_ARTICLE:
865 sysadm 1.33 if (user_online_update("POST_ARTICLE") < 0)
866     {
867     log_error("user_online_update(POST_ARTICLE) error\n");
868     }
869    
870 sysadm 1.30 if ((ret = article_post(p_section, &article_new)) < 0)
871 sysadm 1.20 {
872 sysadm 1.26 log_error("article_post(sid=%d) error\n", p_section->sid);
873 sysadm 1.20 }
874 sysadm 1.24 else if (ret > 0) // New article posted
875     {
876 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
877 sysadm 1.24 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 sysadm 1.20 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 sysadm 1.26 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
891     p_articles[selected_index]->uid != BBS_priv.uid)
892 sysadm 1.20 {
893 sysadm 1.26 break; // No permission
894 sysadm 1.20 }
895 sysadm 1.33
896     if (user_online_update("EDIT_ARTICLE") < 0)
897     {
898     log_error("user_online_update() error\n");
899     }
900    
901 sysadm 1.24 if (article_modify(p_section, p_articles[selected_index], &article_new) < 0)
902 sysadm 1.20 {
903 sysadm 1.26 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 sysadm 1.30 if ((ret = article_del(p_section, p_articles[selected_index])) < 0)
918 sysadm 1.26 {
919     log_error("article_del(aid=%d) error\n", p_articles[selected_index]->aid);
920 sysadm 1.20 }
921 sysadm 1.30 else if (ret > 0) // Article deleted
922     {
923 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
924 sysadm 1.30 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 sysadm 1.20 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 sysadm 1.41 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 sysadm 1.57 case QUERY_USER:
948 sysadm 1.61 if ((ret = query_user_info_by_uid(p_articles[selected_index]->uid, &user_info, user_intro, sizeof(user_intro))) < 0)
949 sysadm 1.57 {
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 sysadm 1.53 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 sysadm 1.31 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1007 sysadm 1.31 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 sysadm 1.45 case SCAN_NEW_ARTICLE:
1015 sysadm 1.46 ret = scan_unread_article_in_section(p_section, p_articles[selected_index], &p_article_locate);
1016 sysadm 1.45 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 sysadm 1.46 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
1028 sysadm 1.45 &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 sysadm 1.46 p_section->sid, p_article_locate->aid);
1033 sysadm 1.45 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 sysadm 1.28 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 sysadm 1.37 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 sysadm 1.48 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 sysadm 1.1 default:
1074     log_error("Unknown command %d\n", ret);
1075     }
1076     }
1077    
1078     return 0;
1079     }
1080 sysadm 1.37
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 sysadm 1.39 if (p_section->ex_menu_tm == 0) // N/A
1093     {
1094     moveto(2, 1);
1095     clrtoeol();
1096 sysadm 1.40 prints("该版块精华区未开放");
1097 sysadm 1.39 press_any_key();
1098     return 0;
1099     }
1100    
1101 sysadm 1.37 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 sysadm 1.39 log_error("get_menu_shm_readonly(sid=%d) error\n", p_section->sid);
1109 sysadm 1.37 return -3;
1110     }
1111    
1112     clearscr();
1113 sysadm 1.38 show_bottom("");
1114 sysadm 1.37
1115     if (display_menu(&ex_menu_set) == 0)
1116     {
1117     while (!SYS_server_exit)
1118     {
1119     iflush();
1120     ch = igetch(100);
1121 sysadm 1.54
1122     if (ch != KEY_NULL && ch != KEY_TIMEOUT)
1123     {
1124     BBS_last_access_tm = time(NULL);
1125     }
1126    
1127 sysadm 1.37 switch (ch)
1128     {
1129     case KEY_NULL: // broken pipe
1130 sysadm 1.54 log_error("KEY_NULL\n");
1131 sysadm 1.37 return 0;
1132     case KEY_TIMEOUT:
1133     if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
1134     {
1135 sysadm 1.54 log_error("User input timeout\n");
1136 sysadm 1.37 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 sysadm 1.38 show_bottom("");
1149 sysadm 1.37 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 sysadm 1.59
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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