/[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 1.60 - (hide 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 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 1.1
563 sysadm 1.50 p_section = section_list_find_by_name(sname);
564 sysadm 1.1 if (p_section == NULL)
565     {
566     log_error("Section %s not found\n", sname);
567     return -1;
568     }
569    
570 sysadm 1.52 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 sysadm 1.50 section_index = get_section_index(p_section);
578    
579 sysadm 1.58 if (get_section_info(p_section, NULL, stitle, master_list) < 0)
580 sysadm 1.5 {
581 sysadm 1.58 log_error("get_section_info(sid=%d) error\n", p_section->sid);
582     return -4;
583 sysadm 1.5 }
584    
585 sysadm 1.46 if (aid == 0)
586     {
587     aid_location = section_aid_locations[section_index];
588     }
589     else
590     {
591     aid_location = aid;
592 sysadm 1.51 }
593 sysadm 1.46
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 sysadm 1.5 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
615 sysadm 1.1 {
616     log_error("section_list_draw_screen() error\n");
617     return -2;
618     }
619    
620 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
621 sysadm 1.5 if (ret < 0)
622 sysadm 1.1 {
623 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
624     return -3;
625 sysadm 1.1 }
626 sysadm 1.5
627 sysadm 1.46 section_topic_view_tid = -1;
628    
629 sysadm 1.5 if (article_count == 0) // empty section
630 sysadm 1.1 {
631     selected_index = 0;
632     }
633 sysadm 1.46 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 sysadm 1.1
642     while (!SYS_server_exit)
643     {
644 sysadm 1.36 ret = section_list_draw_items(page_id, p_articles, article_count, display_nickname, ontop_start_offset);
645 sysadm 1.1 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 sysadm 1.6
651 sysadm 1.7 snprintf(page_info_str, sizeof(page_info_str),
652 sysadm 1.40 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
653 sysadm 1.7 page_id + 1, MAX(page_count, 1));
654 sysadm 1.8
655 sysadm 1.6 show_bottom(page_info_str);
656 sysadm 1.1 iflush();
657    
658 sysadm 1.33 if (user_online_update(sname) < 0)
659     {
660     log_error("user_online_update(%s) error\n", sname);
661     }
662    
663 sysadm 1.6 ret = section_list_select(page_count, article_count, &page_id, &selected_index);
664 sysadm 1.60
665     // Update current aid location
666     section_aid_locations[section_index] = p_articles[selected_index]->aid;
667    
668 sysadm 1.1 switch (ret)
669     {
670     case EXIT_SECTION:
671     return 0;
672     case CHANGE_PAGE:
673 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
674 sysadm 1.5 if (ret < 0)
675 sysadm 1.1 {
676 sysadm 1.5 log_error("query_section_articles(sid=%d, page_id=%d) error\n", p_section->sid, page_id);
677     return -3;
678 sysadm 1.1 }
679 sysadm 1.5 if (article_count == 0) // empty section
680 sysadm 1.1 {
681     selected_index = 0;
682     }
683 sysadm 1.5 else if (selected_index >= article_count)
684 sysadm 1.1 {
685     selected_index = article_count - 1;
686     }
687     break;
688     case VIEW_ARTICLE:
689 sysadm 1.12 do
690 sysadm 1.9 {
691 sysadm 1.12 loop = 0;
692 sysadm 1.9
693 sysadm 1.12 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 sysadm 1.33 if (user_online_update("VIEW_ARTICLE") < 0)
700     {
701     log_error("user_online_update(VIEW_ARTICLE) error\n");
702     }
703    
704 sysadm 1.19 ret = display_data(cache.p_data, cache.line_total, cache.line_offsets, 0,
705 sysadm 1.12 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 sysadm 1.17 // 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 sysadm 1.12 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
730 sysadm 1.12 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
761 sysadm 1.12 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 sysadm 1.31 ret = locate_article_in_section(p_section, p_articles[selected_index], direction, 1,
787     &page_id, &selected_index, &article_count);
788 sysadm 1.12 if (ret < 0)
789     {
790 sysadm 1.31 log_error("locate_article_in_section(sid=%d, aid=%d, direction=%d, step=1) error\n",
791 sysadm 1.12 p_section->sid, p_articles[selected_index]->aid, direction);
792     return -3;
793     }
794 sysadm 1.31 else if (ret > 0) // found
795 sysadm 1.12 {
796 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
797 sysadm 1.12 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 sysadm 1.20 case 'r': // Reply article
806 sysadm 1.33 if (user_online_update("REPLY_ARTICLE") < 0)
807     {
808     log_error("user_online_update(REPLY_ARTICLE) error\n");
809     }
810    
811 sysadm 1.24 if (article_reply(p_section, p_articles[selected_index], &article_new) < 0)
812 sysadm 1.20 {
813 sysadm 1.33 log_error("article_reply(aid=%d) error\n", p_articles[selected_index]->aid);
814 sysadm 1.20 }
815     loop = 1;
816     break;
817 sysadm 1.31 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
834 sysadm 1.31 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 sysadm 1.12 }
844     } while (loop);
845 sysadm 1.13
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 sysadm 1.46
849 sysadm 1.35 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 sysadm 1.4 case CHANGE_NAME_DISPLAY:
856     display_nickname = !display_nickname;
857 sysadm 1.5 if (section_list_draw_screen(sname, stitle, master_list, display_nickname) < 0)
858 sysadm 1.1 {
859     log_error("section_list_draw_screen() error\n");
860     return -2;
861     }
862     break;
863 sysadm 1.20 case POST_ARTICLE:
864 sysadm 1.33 if (user_online_update("POST_ARTICLE") < 0)
865     {
866     log_error("user_online_update(POST_ARTICLE) error\n");
867     }
868    
869 sysadm 1.30 if ((ret = article_post(p_section, &article_new)) < 0)
870 sysadm 1.20 {
871 sysadm 1.26 log_error("article_post(sid=%d) error\n", p_section->sid);
872 sysadm 1.20 }
873 sysadm 1.24 else if (ret > 0) // New article posted
874     {
875 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
876 sysadm 1.24 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 sysadm 1.20 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 sysadm 1.26 if (!checkpriv(&BBS_priv, p_section->sid, S_POST) ||
890     p_articles[selected_index]->uid != BBS_priv.uid)
891 sysadm 1.20 {
892 sysadm 1.26 break; // No permission
893 sysadm 1.20 }
894 sysadm 1.33
895     if (user_online_update("EDIT_ARTICLE") < 0)
896     {
897     log_error("user_online_update() error\n");
898     }
899    
900 sysadm 1.24 if (article_modify(p_section, p_articles[selected_index], &article_new) < 0)
901 sysadm 1.20 {
902 sysadm 1.26 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 sysadm 1.30 if ((ret = article_del(p_section, p_articles[selected_index])) < 0)
917 sysadm 1.26 {
918     log_error("article_del(aid=%d) error\n", p_articles[selected_index]->aid);
919 sysadm 1.20 }
920 sysadm 1.30 else if (ret > 0) // Article deleted
921     {
922 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
923 sysadm 1.30 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 sysadm 1.20 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 sysadm 1.41 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 sysadm 1.57 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 sysadm 1.53 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 sysadm 1.31 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 sysadm 1.36 ret = query_section_articles(p_section, page_id, p_articles, &article_count, &page_count, &ontop_start_offset);
1006 sysadm 1.31 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 sysadm 1.45 case SCAN_NEW_ARTICLE:
1014 sysadm 1.46 ret = scan_unread_article_in_section(p_section, p_articles[selected_index], &p_article_locate);
1015 sysadm 1.45 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 sysadm 1.46 ret = locate_article_in_section(p_section, p_article_locate, 0, 0,
1027 sysadm 1.45 &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 sysadm 1.46 p_section->sid, p_article_locate->aid);
1032 sysadm 1.45 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 sysadm 1.28 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 sysadm 1.37 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 sysadm 1.48 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 sysadm 1.1 default:
1073     log_error("Unknown command %d\n", ret);
1074     }
1075     }
1076    
1077     return 0;
1078     }
1079 sysadm 1.37
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 sysadm 1.39 if (p_section->ex_menu_tm == 0) // N/A
1092     {
1093     moveto(2, 1);
1094     clrtoeol();
1095 sysadm 1.40 prints("该版块精华区未开放");
1096 sysadm 1.39 press_any_key();
1097     return 0;
1098     }
1099    
1100 sysadm 1.37 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 sysadm 1.39 log_error("get_menu_shm_readonly(sid=%d) error\n", p_section->sid);
1108 sysadm 1.37 return -3;
1109     }
1110    
1111     clearscr();
1112 sysadm 1.38 show_bottom("");
1113 sysadm 1.37
1114     if (display_menu(&ex_menu_set) == 0)
1115     {
1116     while (!SYS_server_exit)
1117     {
1118     iflush();
1119     ch = igetch(100);
1120 sysadm 1.54
1121     if (ch != KEY_NULL && ch != KEY_TIMEOUT)
1122     {
1123     BBS_last_access_tm = time(NULL);
1124     }
1125    
1126 sysadm 1.37 switch (ch)
1127     {
1128     case KEY_NULL: // broken pipe
1129 sysadm 1.54 log_error("KEY_NULL\n");
1130 sysadm 1.37 return 0;
1131     case KEY_TIMEOUT:
1132     if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
1133     {
1134 sysadm 1.54 log_error("User input timeout\n");
1135 sysadm 1.37 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 sysadm 1.38 show_bottom("");
1148 sysadm 1.37 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 sysadm 1.59
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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