lbbs/src/article_favor_display.c

/***************************************************************************
                                        article_favor_display.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "article_favor_display.h"
#include "article_view_log.h"
#include "io.h"
#include "log.h"
#include "login.h"
#include "screen.h"
#include "str_process.h"
#include "section_list.h"
#include "section_list_display.h"
#include "user_priv.h"
#include <string.h>
#include <time.h>
#include <sys/param.h>

enum select_cmd_t
{
        EXIT_LIST = 0,
        LOCATE_ARTICLE,
        CHANGE_PAGE,
        SHOW_HELP,
        SWITCH_NAME,
        UNSET_FAVOR,
};

static int article_favor_draw_screen(int display_sname)
{
        clearscr();
        show_top("[主题收藏]", BBS_name, "");
        moveto(2, 0);
        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] "
                   "定位[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 移除[\033[1;32m-\033[0;37m\033[0;37m] "
                   "%s[\033[1;32mn\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m",
                   (display_sname ? "用户名" : "版块名称"));
        moveto(3, 0);
        if (display_sname)
        {
                prints("\033[44;37m  \033[1;37m 编  号   版块名称             日  期  文章标题                               \033[m");
        }
        else
        {
                prints("\033[44;37m  \033[1;37m 编  号   发 布 者     日  期  文章标题                                       \033[m");
        }

        return 0;
}

static int article_favor_draw_items(int page_id, ARTICLE *p_articles[], char p_snames[][BBS_section_name_max_len + 1],
                                                                        int article_count, int display_sname)
{
        char str_time[LINE_BUFFER_LEN];
        struct tm tm_sub;
        char title_f[BBS_article_title_max_len + 1];
        int title_f_len;
        int eol;
        int len;
        int i;
        char article_flag;
        int is_viewed;
        time_t tm_now;

        time(&tm_now);

        clrline(4, 23);

        for (i = 0; i < article_count; i++)
        {
                if (p_articles[i]->uid == BBS_priv.uid)
                {
                        is_viewed = 1;
                }
                else
                {
                        is_viewed = article_view_log_is_viewed(p_articles[i]->aid, &BBS_article_view_log);
                        if (is_viewed < 0)
                        {
                                log_error("article_view_log_is_viewed(aid=%d) error\n", p_articles[i]->aid);
                                is_viewed = 0;
                        }
                }

                if (p_articles[i]->excerption)
                {
                        article_flag = (is_viewed ? 'm' : 'M');
                }
                else if (p_articles[i]->lock && is_viewed)
                {
                        article_flag = 'x';
                }
                else
                {
                        article_flag = (is_viewed ? ' ' : 'N');
                }

                localtime_r(&p_articles[i]->sub_dt, &tm_sub);
                if (tm_now - p_articles[i]->sub_dt < 3600 * 24 * 365)
                {
                        strftime(str_time, sizeof(str_time), "%b %e ", &tm_sub);
                }
                else
                {
                        strftime(str_time, sizeof(str_time), "%m/%Y", &tm_sub);
                }

                strncpy(title_f, (p_articles[i]->tid == 0 ? "● " : ""), sizeof(title_f) - 1);
                title_f[sizeof(title_f) - 1] = '\0';
                strncat(title_f, (p_articles[i]->transship ? "[转载]" : ""), sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
                strncat(title_f, p_articles[i]->title, sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));

                len = split_line(title_f, 59 - (display_sname ? BBS_section_name_max_len : BBS_username_max_len), &eol, &title_f_len, 1);
                if (title_f[len] != '\0')
                {
                        title_f[len] = '\0';
                }

                moveto(4 + i, 1);

                prints("  %7d %c %s%*s %s %s",
                           p_articles[i]->aid,
                           article_flag,
                           (display_sname ? p_snames[i] : p_articles[i]->username),
                           (display_sname
                                        ? BBS_section_name_max_len - str_length(p_snames[i], 1)
                                        : BBS_username_max_len - str_length(p_articles[i]->username, 1)),
                           "",
                           str_time,
                           title_f);
        }

        return 0;
}

static enum select_cmd_t article_favor_select(int total_page, int item_count, int *p_page_id, int *p_selected_index)
{
        int old_page_id = *p_page_id;
        int old_selected_index = *p_selected_index;
        int ch;

        if (item_count > 0 && *p_selected_index >= 0)
        {
                moveto(4 + *p_selected_index, 1);
                outc('>');
                iflush();
        }

        while (!SYS_server_exit)
        {
                ch = igetch(100);

                if (ch != KEY_NULL && ch != KEY_TIMEOUT)
                {
                        BBS_last_access_tm = time(NULL);
                }

                switch (ch)
                {
                case KEY_NULL: // broken pipe
                        log_error("KEY_NULL\n");
                case KEY_ESC:
                case KEY_LEFT:
                        return EXIT_LIST; // exit list
                case KEY_TIMEOUT:
                        if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
                        {
                                log_error("User input timeout\n");
                                return EXIT_LIST; // exit list
                        }
                        continue;
                case 'n':
                        return SWITCH_NAME;
                case '-':
                        if (item_count > 0)
                        {
                                return UNSET_FAVOR;
                        }
                        break;
                case CR:
                case KEY_RIGHT:
                        if (item_count > 0)
                        {
                                return LOCATE_ARTICLE;
                        }
                        break;
                case KEY_HOME:
                        *p_page_id = 0;
                case 'P':
                case KEY_PGUP:
                        *p_selected_index = 0;
                case 'k':
                case KEY_UP:
                        if (*p_selected_index <= 0)
                        {
                                if (*p_page_id > 0)
                                {
                                        (*p_page_id)--;
                                        *p_selected_index = BBS_article_limit_per_page - 1;
                                }
                                else if (ch == KEY_UP || ch == 'k') // Rotate to the tail of list
                                {
                                        if (total_page > 0)
                                        {
                                                *p_page_id = total_page - 1;
                                        }
                                        if (item_count > 0)
                                        {
                                                *p_selected_index = item_count - 1;
                                        }
                                }
                        }
                        else
                        {
                                (*p_selected_index)--;
                        }
                        break;
                case '$':
                case KEY_END:
                        if (total_page > 0)
                        {
                                *p_page_id = total_page - 1;
                        }
                case 'N':
                case KEY_PGDN:
                        if (item_count > 0)
                        {
                                *p_selected_index = item_count - 1;
                        }
                case 'j':
                case KEY_DOWN:
                        if (*p_selected_index + 1 >= item_count) // next page
                        {
                                if (*p_page_id + 1 < total_page)
                                {
                                        (*p_page_id)++;
                                        *p_selected_index = 0;
                                }
                                else if (ch == KEY_DOWN || ch == 'j') // Rotate to the head of list
                                {
                                        *p_page_id = 0;
                                        *p_selected_index = 0;
                                }
                        }
                        else
                        {
                                (*p_selected_index)++;
                        }
                        break;
                case 'h':
                        return SHOW_HELP;
                default:
                        break;
                }

                if (old_page_id != *p_page_id)
                {
                        return CHANGE_PAGE;
                }

                if (item_count > 0 && old_selected_index != *p_selected_index)
                {
                        if (old_selected_index >= 0)
                        {
                                moveto(4 + old_selected_index, 1);
                                outc(' ');
                        }
                        if (*p_selected_index >= 0)
                        {
                                moveto(4 + *p_selected_index, 1);
                                outc('>');
                        }
                        iflush();

                        old_selected_index = *p_selected_index;
                }
        }

        return EXIT_LIST;
}

int article_favor_display(ARTICLE_FAVOR *p_favor)
{
        static int display_sname = 0;

        char page_info_str[LINE_BUFFER_LEN];
        char snames[BBS_article_limit_per_page][BBS_section_name_max_len + 1];
        ARTICLE *p_articles[BBS_article_limit_per_page];
        int article_count;
        int page_count;
        int page_id = 0;
        int selected_index = 0;
        int ret;

        if (p_favor == NULL)
        {
                log_error("NULL pointer error\n");
                return -1;
        }

        article_favor_draw_screen(display_sname);

        ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
        if (ret < 0)
        {
                log_error("query_favor_articles(page_id=%d) error\n", page_id);
                return -2;
        }

        if (article_count == 0) // empty list
        {
                selected_index = 0;
        }

        while (!SYS_server_exit)
        {
                ret = article_favor_draw_items(page_id, p_articles, snames, article_count, display_sname);
                if (ret < 0)
                {
                        log_error("article_favor_draw_items(page_id=%d) error\n", page_id);
                        return -3;
                }

                snprintf(page_info_str, sizeof(page_info_str),
                                 "\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
                                 page_id + 1, MAX(page_count, 1));

                show_bottom(page_info_str);
                iflush();

                if (user_online_update("ARTICLE_FAVOR") < 0)
                {
                        log_error("user_online_update(ARTICLE_FAVOR) error\n");
                }

                ret = article_favor_select(page_count, article_count, &page_id, &selected_index);
                switch (ret)
                {
                case EXIT_LIST:
                        return 0;
                case UNSET_FAVOR:
                        if (article_favor_set(p_articles[selected_index]->aid, &BBS_article_favor, 0) != 1)
                        {
                                log_error("article_favor_set(aid=%d, 0) error\n", p_articles[selected_index]->aid);
                                break;
                        }
                        // continue to refresh list
                case CHANGE_PAGE:
                        ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
                        if (ret < 0)
                        {
                                log_error("query_favor_articles(page_id=%d) error\n", page_id);
                                return -2;
                        }

                        if (article_count == 0) // empty list
                        {
                                selected_index = 0;
                        }
                        else if (selected_index >= article_count)
                        {
                                selected_index = article_count - 1;
                        }
                        break;
                case LOCATE_ARTICLE:
                        if (section_list_display(snames[selected_index], p_articles[selected_index]->aid) < 0)
                        {
                                log_error("section_list_display(sname=%s, aid=%d) error\n",
                                                  snames[selected_index], p_articles[selected_index]->aid);
                        }
                        break;
                case SWITCH_NAME:
                        display_sname = !display_sname;
                        article_favor_draw_screen(display_sname);
                        break;
                case SHOW_HELP:
                        // Display help information
                        display_file(DATA_READ_HELP, 1);
                        article_favor_draw_screen(display_sname);
                        break;
                default:
                        log_error("Unknown command %d\n", ret);
                }
        }

        return 0;
}
1	sysadm	1.1	/***************************************************************************
2	sysadm	1.5	article_favor_display.c - description
3			-------------------
4			Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6	sysadm	1.1	***************************************************************************/
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_favor_display.h"
18			#include "article_view_log.h"
19			#include "io.h"
20			#include "log.h"
21			#include "login.h"
22			#include "screen.h"
23			#include "str_process.h"
24			#include "section_list.h"
25			#include "section_list_display.h"
26			#include "user_priv.h"
27			#include <string.h>
28			#include <time.h>
29			#include <sys/param.h>
30
31			enum select_cmd_t
32			{
33	sysadm	1.5	EXIT_LIST = 0,
34			LOCATE_ARTICLE,
35			CHANGE_PAGE,
36			SHOW_HELP,
37			SWITCH_NAME,
38			UNSET_FAVOR,
39	sysadm	1.1	};
40
41			static int article_favor_draw_screen(int display_sname)
42			{
43	sysadm	1.5	clearscr();
44			show_top("[主题收藏]", BBS_name, "");
45			moveto(2, 0);
46			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] "
47			"定位[\033[1;32m→\033[0;37m,\033[1;32mENTER\033[0;37m] 移除[\033[1;32m-\033[0;37m\033[0;37m] "
48			"%s[\033[1;32mn\033[0;37m] 帮助[\033[1;32mh\033[0;37m]\033[m",
49			(display_sname ? "用户名" : "版块名称"));
50			moveto(3, 0);
51			if (display_sname)
52			{
53			prints("\033[44;37m \033[1;37m 编号版块名称日期文章标题 \033[m");
54			}
55			else
56			{
57			prints("\033[44;37m \033[1;37m 编号发布者日期文章标题 \033[m");
58			}
59	sysadm	1.1
60	sysadm	1.5	return 0;
61	sysadm	1.1	}
62
63			static int article_favor_draw_items(int page_id, ARTICLE *p_articles[], char p_snames[][BBS_section_name_max_len + 1],
64	sysadm	1.5	int article_count, int display_sname)
65	sysadm	1.1	{
66	sysadm	1.5	char str_time[LINE_BUFFER_LEN];
67			struct tm tm_sub;
68			char title_f[BBS_article_title_max_len + 1];
69			int title_f_len;
70			int eol;
71			int len;
72			int i;
73			char article_flag;
74			int is_viewed;
75			time_t tm_now;
76
77			time(&tm_now);
78
79			clrline(4, 23);
80
81			for (i = 0; i < article_count; i++)
82			{
83			if (p_articles[i]->uid == BBS_priv.uid)
84			{
85			is_viewed = 1;
86			}
87			else
88			{
89			is_viewed = article_view_log_is_viewed(p_articles[i]->aid, &BBS_article_view_log);
90			if (is_viewed < 0)
91			{
92			log_error("article_view_log_is_viewed(aid=%d) error\n", p_articles[i]->aid);
93			is_viewed = 0;
94			}
95			}
96
97			if (p_articles[i]->excerption)
98			{
99			article_flag = (is_viewed ? 'm' : 'M');
100			}
101			else if (p_articles[i]->lock && is_viewed)
102			{
103			article_flag = 'x';
104			}
105			else
106			{
107			article_flag = (is_viewed ? ' ' : 'N');
108			}
109
110			localtime_r(&p_articles[i]->sub_dt, &tm_sub);
111			if (tm_now - p_articles[i]->sub_dt < 3600 * 24 * 365)
112			{
113			strftime(str_time, sizeof(str_time), "%b %e ", &tm_sub);
114			}
115			else
116			{
117			strftime(str_time, sizeof(str_time), "%m/%Y", &tm_sub);
118			}
119
120			strncpy(title_f, (p_articles[i]->tid == 0 ? "● " : ""), sizeof(title_f) - 1);
121			title_f[sizeof(title_f) - 1] = '\0';
122			strncat(title_f, (p_articles[i]->transship ? "[转载]" : ""), sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
123			strncat(title_f, p_articles[i]->title, sizeof(title_f) - 1 - strnlen(title_f, sizeof(title_f)));
124
125			len = split_line(title_f, 59 - (display_sname ? BBS_section_name_max_len : BBS_username_max_len), &eol, &title_f_len, 1);
126			if (title_f[len] != '\0')
127			{
128			title_f[len] = '\0';
129			}
130
131			moveto(4 + i, 1);
132
133			prints(" %7d %c %s%*s %s %s",
134			p_articles[i]->aid,
135			article_flag,
136			(display_sname ? p_snames[i] : p_articles[i]->username),
137			(display_sname
138			? BBS_section_name_max_len - str_length(p_snames[i], 1)
139			: BBS_username_max_len - str_length(p_articles[i]->username, 1)),
140			"",
141			str_time,
142			title_f);
143			}
144	sysadm	1.1
145	sysadm	1.5	return 0;
146	sysadm	1.1	}
147
148			static enum select_cmd_t article_favor_select(int total_page, int item_count, int p_page_id, int p_selected_index)
149			{
150	sysadm	1.5	int old_page_id = *p_page_id;
151			int old_selected_index = *p_selected_index;
152			int ch;
153
154			if (item_count > 0 && *p_selected_index >= 0)
155			{
156			moveto(4 + *p_selected_index, 1);
157			outc('>');
158			iflush();
159			}
160
161			while (!SYS_server_exit)
162			{
163			ch = igetch(100);
164
165			if (ch != KEY_NULL && ch != KEY_TIMEOUT)
166			{
167			BBS_last_access_tm = time(NULL);
168			}
169
170			switch (ch)
171			{
172			case KEY_NULL: // broken pipe
173			log_error("KEY_NULL\n");
174			case KEY_ESC:
175			case KEY_LEFT:
176			return EXIT_LIST; // exit list
177			case KEY_TIMEOUT:
178			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
179			{
180			log_error("User input timeout\n");
181			return EXIT_LIST; // exit list
182			}
183			continue;
184			case 'n':
185			return SWITCH_NAME;
186			case '-':
187			if (item_count > 0)
188			{
189			return UNSET_FAVOR;
190			}
191			break;
192			case CR:
193			case KEY_RIGHT:
194			if (item_count > 0)
195			{
196			return LOCATE_ARTICLE;
197			}
198			break;
199			case KEY_HOME:
200			*p_page_id = 0;
201			case 'P':
202			case KEY_PGUP:
203			*p_selected_index = 0;
204			case 'k':
205			case KEY_UP:
206			if (*p_selected_index <= 0)
207			{
208			if (*p_page_id > 0)
209			{
210			(*p_page_id)--;
211			*p_selected_index = BBS_article_limit_per_page - 1;
212			}
213			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
214			{
215			if (total_page > 0)
216			{
217			*p_page_id = total_page - 1;
218			}
219			if (item_count > 0)
220			{
221			*p_selected_index = item_count - 1;
222			}
223			}
224			}
225			else
226			{
227			(*p_selected_index)--;
228			}
229			break;
230			case '$':
231			case KEY_END:
232			if (total_page > 0)
233			{
234			*p_page_id = total_page - 1;
235			}
236			case 'N':
237			case KEY_PGDN:
238			if (item_count > 0)
239			{
240			*p_selected_index = item_count - 1;
241			}
242			case 'j':
243			case KEY_DOWN:
244			if (*p_selected_index + 1 >= item_count) // next page
245			{
246			if (*p_page_id + 1 < total_page)
247			{
248			(*p_page_id)++;
249			*p_selected_index = 0;
250			}
251			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
252			{
253			*p_page_id = 0;
254			*p_selected_index = 0;
255			}
256			}
257			else
258			{
259			(*p_selected_index)++;
260			}
261			break;
262			case 'h':
263			return SHOW_HELP;
264			default:
265			break;
266			}
267
268			if (old_page_id != *p_page_id)
269			{
270			return CHANGE_PAGE;
271			}
272
273			if (item_count > 0 && old_selected_index != *p_selected_index)
274			{
275			if (old_selected_index >= 0)
276			{
277			moveto(4 + old_selected_index, 1);
278			outc(' ');
279			}
280			if (*p_selected_index >= 0)
281			{
282			moveto(4 + *p_selected_index, 1);
283			outc('>');
284			}
285			iflush();
286
287			old_selected_index = *p_selected_index;
288			}
289			}
290	sysadm	1.1
291	sysadm	1.5	return EXIT_LIST;
292	sysadm	1.1	}
293
294			int article_favor_display(ARTICLE_FAVOR *p_favor)
295			{
296	sysadm	1.5	static int display_sname = 0;
297	sysadm	1.1
298	sysadm	1.5	char page_info_str[LINE_BUFFER_LEN];
299			char snames[BBS_article_limit_per_page][BBS_section_name_max_len + 1];
300			ARTICLE *p_articles[BBS_article_limit_per_page];
301			int article_count;
302			int page_count;
303			int page_id = 0;
304			int selected_index = 0;
305			int ret;
306
307			if (p_favor == NULL)
308			{
309			log_error("NULL pointer error\n");
310			return -1;
311			}
312
313			article_favor_draw_screen(display_sname);
314
315			ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
316			if (ret < 0)
317			{
318			log_error("query_favor_articles(page_id=%d) error\n", page_id);
319			return -2;
320			}
321
322			if (article_count == 0) // empty list
323			{
324			selected_index = 0;
325			}
326
327			while (!SYS_server_exit)
328			{
329			ret = article_favor_draw_items(page_id, p_articles, snames, article_count, display_sname);
330			if (ret < 0)
331			{
332			log_error("article_favor_draw_items(page_id=%d) error\n", page_id);
333			return -3;
334			}
335
336			snprintf(page_info_str, sizeof(page_info_str),
337			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
338			page_id + 1, MAX(page_count, 1));
339
340			show_bottom(page_info_str);
341			iflush();
342
343			if (user_online_update("ARTICLE_FAVOR") < 0)
344			{
345			log_error("user_online_update(ARTICLE_FAVOR) error\n");
346			}
347
348			ret = article_favor_select(page_count, article_count, &page_id, &selected_index);
349			switch (ret)
350			{
351			case EXIT_LIST:
352			return 0;
353			case UNSET_FAVOR:
354			if (article_favor_set(p_articles[selected_index]->aid, &BBS_article_favor, 0) != 1)
355			{
356			log_error("article_favor_set(aid=%d, 0) error\n", p_articles[selected_index]->aid);
357			break;
358			}
359			// continue to refresh list
360			case CHANGE_PAGE:
361			ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
362			if (ret < 0)
363			{
364			log_error("query_favor_articles(page_id=%d) error\n", page_id);
365			return -2;
366			}
367
368			if (article_count == 0) // empty list
369			{
370			selected_index = 0;
371			}
372			else if (selected_index >= article_count)
373			{
374			selected_index = article_count - 1;
375			}
376			break;
377			case LOCATE_ARTICLE:
378			if (section_list_display(snames[selected_index], p_articles[selected_index]->aid) < 0)
379			{
380			log_error("section_list_display(sname=%s, aid=%d) error\n",
381			snames[selected_index], p_articles[selected_index]->aid);
382			}
383			break;
384			case SWITCH_NAME:
385			display_sname = !display_sname;
386			article_favor_draw_screen(display_sname);
387			break;
388			case SHOW_HELP:
389			// Display help information
390			display_file(DATA_READ_HELP, 1);
391			article_favor_draw_screen(display_sname);
392			break;
393			default:
394			log_error("Unknown command %d\n", ret);
395			}
396			}
397	sysadm	1.1
398	sysadm	1.5	return 0;
399	sysadm	1.1	}
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