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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* article_op
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* - basic operations of articles
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*
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* Copyright (C) 2004-2026 Leaflet <leaflet@leafok.com>
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "article_op.h"
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#include "bbs.h"
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#include "database.h"
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#include "io.h"
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#include "log.h"
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#include "screen.h"
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#include "user_priv.h"
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#include <stdlib.h>
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int display_article_meta(int32_t aid)
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{
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clearscr();
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moveto(3, 1);
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prints("Web版 文章链接: ");
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moveto(4, 1);
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prints("https://%s/bbs/view_article.php?id=%d#%d", BBS_server, aid, aid);
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press_any_key();
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return 0;
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}
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int article_excerption_set(SECTION_LIST *p_section, int32_t aid, int8_t set)
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{
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MYSQL *db = NULL;
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MYSQL_RES *rs = NULL;
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MYSQL_ROW row;
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char sql[SQL_BUFFER_LEN];
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int ret = 0;
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int uid = 0;
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int tid = 0;
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int sid = 0;
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int8_t transship = 0;
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int8_t excerption = 0;
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if (p_section == NULL)
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{
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log_error("NULL pointer error");
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ret = -1;
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goto cleanup;
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}
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if (set)
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{
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set = 1;
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}
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db = db_open();
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if (db == NULL)
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{
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log_error("db_open() error: %s", mysql_error(db));
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ret = -1;
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goto cleanup;
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}
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// Begin transaction
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if (mysql_query(db, "SET autocommit=0") != 0)
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{
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log_error("SET autocommit=0 error: %s", mysql_error(db));
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ret = -1;
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goto cleanup;
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}
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if (mysql_query(db, "BEGIN") != 0)
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{
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log_error("Begin transaction error: %s", mysql_error(db));
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ret = -1;
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goto cleanup;
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}
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snprintf(sql, sizeof(sql),
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"SELECT UID, TID, SID, transship, excerption FROM bbs "
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"WHERE AID = %d AND visible FOR UPDATE",
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aid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Query article error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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if ((rs = mysql_store_result(db)) == NULL)
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{
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log_error("Get article data failed");
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ret = -2;
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goto cleanup;
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}
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if ((row = mysql_fetch_row(rs)))
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{
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uid = atoi(row[0]);
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tid = atoi(row[1]);
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sid = atoi(row[2]);
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transship = (int8_t)atoi(row[3]);
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excerption = (int8_t)atoi(row[4]);
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}
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else
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{
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log_error("Article not found: aid=%d", aid);
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ret = -2;
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goto cleanup;
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}
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mysql_free_result(rs);
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rs = NULL;
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if (p_section->sid != sid)
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{
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log_error("Inconsistent SID of article (aid=%d): %d!=%d", aid, p_section->sid, sid);
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ret = -2;
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goto cleanup;
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}
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// Check if already set
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if (excerption != set)
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{
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snprintf(sql, sizeof(sql),
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"UPDATE bbs SET excerption = %d WHERE AID = %d",
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set, aid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Set excerption error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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// Clear gen_ex if unset excerption
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if (set == 0)
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{
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snprintf(sql, sizeof(sql),
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"UPDATE bbs SET gen_ex = 0, static = 0 WHERE AID = %d OR TID = %d",
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aid, aid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Set gen_ex error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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// Delete ex_dir path if head of thread
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if (tid == 0)
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{
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snprintf(sql, sizeof(sql),
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"DELETE FROM ex_file WHERE AID = %d",
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aid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Delete ex_file error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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}
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}
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// Change UID of attachments
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snprintf(sql, sizeof(sql),
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"UPDATE upload_file SET UID = %d "
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"WHERE ref_AID = %d AND deleted = 0",
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(set ? 0 : uid), aid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Set attachment status error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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// Modify exp
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if (checkpriv(&BBS_priv, sid, S_GETEXP)) // Except in test section
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{
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snprintf(sql, sizeof(sql),
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"UPDATE user_pubinfo SET exp = exp + %d WHERE UID = %d",
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(set ? 1 : -1) * (tid == 0 ? (transship ? 20 : 50) : 10), uid);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Change exp error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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}
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// Add log
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snprintf(sql, sizeof(sql),
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"INSERT INTO bbs_article_op(AID, UID, type, op_dt, op_ip) "
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"VALUES(%d, %d, '%c', NOW(), '%s')",
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aid, BBS_priv.uid, (set ? 'E' : 'O'), hostaddr_client);
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if (mysql_query(db, sql) != 0)
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{
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log_error("Add log error: %s", mysql_error(db));
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ret = -2;
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goto cleanup;
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}
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}
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if (section_list_rw_lock(p_section) < 0)
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{
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log_error("section_list_rw_lock(sid=%d) error", sid);
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ret = -3;
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goto cleanup;
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}
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ret = section_list_set_article_excerption(p_section, aid, set);
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if (ret < 0)
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{
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log_error("section_list_set_article_excerption(sid=%d, aid=%d, set=%d) error", sid, aid, set);
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ret = -3;
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goto cleanup;
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}
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if (section_list_rw_unlock(p_section) < 0)
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{
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log_error("section_list_rw_unlock(sid=%d) error", sid);
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ret = -3;
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goto cleanup;
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}
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// Commit transaction
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if (mysql_query(db, "COMMIT") != 0)
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{
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log_error("Mysqli error: %s", mysql_error(db));
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// Rollback change to avoid data inconsistency
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if (section_list_rw_lock(p_section) < 0)
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{
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log_error("section_list_rw_lock(sid=%d) error", sid);
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ret = -3;
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goto cleanup;
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}
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ret = section_list_set_article_excerption(p_section, aid, excerption);
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if (ret < 0)
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{
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log_error("section_list_set_article_excerption(sid=%d, aid=%d, set=%d) error", sid, aid, excerption);
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ret = -3;
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goto cleanup;
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}
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if (section_list_rw_unlock(p_section) < 0)
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{
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log_error("section_list_rw_unlock(sid=%d) error", sid);
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ret = -3;
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goto cleanup;
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}
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ret = 0;
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}
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else
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{
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ret = 1; // Success
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}
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cleanup:
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mysql_free_result(rs);
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mysql_close(db);
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return ret;
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}
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