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);

        switch (ch)
        {
        case KEY_ESC:
        case KEY_LEFT:
            BBS_last_access_tm = time(NULL);
        case KEY_NULL:        // broken pipe
            return EXIT_LIST; // exit list
        case KEY_TIMEOUT:
            if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
            {
                return EXIT_LIST; // exit list
            }
            continue;
        case 'n':
            BBS_last_access_tm = time(NULL);
            return SWITCH_NAME;
        case '-':
            if (item_count > 0)
            {
                BBS_last_access_tm = time(NULL);
                return UNSET_FAVOR;
            }
            break;
        case CR:
            igetch_reset();
        case KEY_RIGHT:
            if (item_count > 0)
            {
                BBS_last_access_tm = time(NULL);
                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:
        }

        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;
        }

        BBS_last_access_tm = time(NULL);
    }

    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			article_favor_display.c - description
3			-------------------
4			Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6			***************************************************************************/
7
8			/***************************************************************************
9			* *
10			* This program is free software; you can redistribute it and/or modify *
11			* it under the terms of the GNU General Public License as published by *
12			* the Free Software Foundation; either version 3 of the License, or *
13			* (at your option) any later version. *
14			* *
15			***************************************************************************/
16
17			#include "article_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			EXIT_LIST = 0,
34			LOCATE_ARTICLE,
35			CHANGE_PAGE,
36			SHOW_HELP,
37			SWITCH_NAME,
38			UNSET_FAVOR,
39			};
40
41			static int article_favor_draw_screen(int display_sname)
42			{
43			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
60			return 0;
61			}
62
63			static int article_favor_draw_items(int page_id, ARTICLE *p_articles[], char p_snames[][BBS_section_name_max_len + 1],
64			int article_count, int display_sname)
65			{
66			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
145			return 0;
146			}
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			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			switch (ch)
166			{
167			case KEY_ESC:
168			case KEY_LEFT:
169			BBS_last_access_tm = time(NULL);
170			case KEY_NULL: // broken pipe
171			return EXIT_LIST; // exit list
172			case KEY_TIMEOUT:
173			if (time(NULL) - BBS_last_access_tm >= MAX_DELAY_TIME)
174			{
175			return EXIT_LIST; // exit list
176			}
177			continue;
178			case 'n':
179			BBS_last_access_tm = time(NULL);
180			return SWITCH_NAME;
181			case '-':
182			if (item_count > 0)
183			{
184			BBS_last_access_tm = time(NULL);
185			return UNSET_FAVOR;
186			}
187			break;
188			case CR:
189			igetch_reset();
190			case KEY_RIGHT:
191			if (item_count > 0)
192			{
193			BBS_last_access_tm = time(NULL);
194			return LOCATE_ARTICLE;
195			}
196			break;
197			case KEY_HOME:
198			*p_page_id = 0;
199			case 'P':
200			case KEY_PGUP:
201			*p_selected_index = 0;
202			case 'k':
203			case KEY_UP:
204			if (*p_selected_index <= 0)
205			{
206			if (*p_page_id > 0)
207			{
208			(*p_page_id)--;
209			*p_selected_index = BBS_article_limit_per_page - 1;
210			}
211			else if (ch == KEY_UP \|\| ch == 'k') // Rotate to the tail of list
212			{
213			if (total_page > 0)
214			{
215			*p_page_id = total_page - 1;
216			}
217			if (item_count > 0)
218			{
219			*p_selected_index = item_count - 1;
220			}
221			}
222			}
223			else
224			{
225			(*p_selected_index)--;
226			}
227			break;
228			case '$':
229			case KEY_END:
230			if (total_page > 0)
231			{
232			*p_page_id = total_page - 1;
233			}
234			case 'N':
235			case KEY_PGDN:
236			if (item_count > 0)
237			{
238			*p_selected_index = item_count - 1;
239			}
240			case 'j':
241			case KEY_DOWN:
242			if (*p_selected_index + 1 >= item_count) // next page
243			{
244			if (*p_page_id + 1 < total_page)
245			{
246			(*p_page_id)++;
247			*p_selected_index = 0;
248			}
249			else if (ch == KEY_DOWN \|\| ch == 'j') // Rotate to the head of list
250			{
251			*p_page_id = 0;
252			*p_selected_index = 0;
253			}
254			}
255			else
256			{
257			(*p_selected_index)++;
258			}
259			break;
260			case 'h':
261			return SHOW_HELP;
262			default:
263			}
264
265			if (old_page_id != *p_page_id)
266			{
267			return CHANGE_PAGE;
268			}
269
270			if (item_count > 0 && old_selected_index != *p_selected_index)
271			{
272			if (old_selected_index >= 0)
273			{
274			moveto(4 + old_selected_index, 1);
275			outc(' ');
276			}
277			if (*p_selected_index >= 0)
278			{
279			moveto(4 + *p_selected_index, 1);
280			outc('>');
281			}
282			iflush();
283
284			old_selected_index = *p_selected_index;
285			}
286
287			BBS_last_access_tm = time(NULL);
288			}
289
290			return EXIT_LIST;
291			}
292
293			int article_favor_display(ARTICLE_FAVOR *p_favor)
294			{
295			static int display_sname = 0;
296
297			char page_info_str[LINE_BUFFER_LEN];
298			char snames[BBS_article_limit_per_page][BBS_section_name_max_len + 1];
299			ARTICLE *p_articles[BBS_article_limit_per_page];
300			int article_count;
301			int page_count;
302			int page_id = 0;
303			int selected_index = 0;
304			int ret;
305
306			if (p_favor == NULL)
307			{
308			log_error("NULL pointer error\n");
309			return -1;
310			}
311
312			article_favor_draw_screen(display_sname);
313
314			ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
315			if (ret < 0)
316			{
317			log_error("query_favor_articles(page_id=%d) error\n", page_id);
318			return -2;
319			}
320
321			if (article_count == 0) // empty list
322			{
323			selected_index = 0;
324			}
325
326			while (!SYS_server_exit)
327			{
328			ret = article_favor_draw_items(page_id, p_articles, snames, article_count, display_sname);
329			if (ret < 0)
330			{
331			log_error("article_favor_draw_items(page_id=%d) error\n", page_id);
332			return -3;
333			}
334
335			snprintf(page_info_str, sizeof(page_info_str),
336			"\033[33m[第\033[36m%d\033[33m/\033[36m%d\033[33m页]",
337			page_id + 1, MAX(page_count, 1));
338
339			show_bottom(page_info_str);
340			iflush();
341
342			if (user_online_update("ARTICLE_FAVOR") < 0)
343			{
344			log_error("user_online_update(ARTICLE_FAVOR) error\n");
345			}
346
347			ret = article_favor_select(page_count, article_count, &page_id, &selected_index);
348			switch (ret)
349			{
350			case EXIT_LIST:
351			return 0;
352			case UNSET_FAVOR:
353			if (article_favor_set(p_articles[selected_index]->aid, &BBS_article_favor, 0) != 1)
354			{
355			log_error("article_favor_set(aid=%d, 0) error\n", p_articles[selected_index]->aid);
356			break;
357			}
358			// continue to refresh list
359			case CHANGE_PAGE:
360			ret = query_favor_articles(p_favor, page_id, p_articles, snames, &article_count, &page_count);
361			if (ret < 0)
362			{
363			log_error("query_favor_articles(page_id=%d) error\n", page_id);
364			return -2;
365			}
366
367			if (article_count == 0) // empty list
368			{
369			selected_index = 0;
370			}
371			else if (selected_index >= article_count)
372			{
373			selected_index = article_count - 1;
374			}
375			break;
376			case LOCATE_ARTICLE:
377			if (section_list_display(snames[selected_index], p_articles[selected_index]->aid) < 0)
378			{
379			log_error("section_list_display(sname=%s, aid=%d) error\n",
380			snames[selected_index], p_articles[selected_index]->aid);
381			}
382			break;
383			case SWITCH_NAME:
384			display_sname = !display_sname;
385			article_favor_draw_screen(display_sname);
386			break;
387			case SHOW_HELP:
388			// Display help information
389			display_file(DATA_READ_HELP, 1);
390			article_favor_draw_screen(display_sname);
391			break;
392			default:
393			log_error("Unknown command %d\n", ret);
394			}
395			}
396
397			return 0;
398			}
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