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/* SPDX-License-Identifier: GPL-3.0-or-later */
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/*
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* section_list_loader
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* - load and query operations of section articles
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*
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* Copyright (C) 2004-2025 by Leaflet <leaflet@leafok.com>
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*/
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#ifndef _SECTION_LIST_LOADER_H_
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#define _SECTION_LIST_LOADER_H_
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#include "menu.h"
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#include "section_list.h"
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#include <mysql/mysql.h>
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#define ERR_UNKNOWN_SECTION -101
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#define LOAD_ARTICLE_COUNT_LIMIT 1000
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extern int section_list_loader_pid;
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extern int last_article_op_log_mid;
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extern int load_section_config_from_db(int update_gen_ex);
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// Input global_lock = 0 : lock / unlock corresponding section per article
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// 1 : lock / unlock all sections per invocation
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// Return on success : count of appended articles (>= 0)
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// failure : lock / unlock error (-1)
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// : unknown section found (ERR_UNKNOWN_SECTION)
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extern int append_articles_from_db(int32_t start_aid, int global_lock, int article_count_limit);
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extern int set_last_article_op_log_from_db(void);
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// Return on success : count of appended articles (>= 0)
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// failure : lock / unlock error (-1)
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// : unknown section found (ERR_UNKNOWN_SECTION)
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extern int apply_article_op_log_from_db(int op_count_limit);
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extern int section_list_loader_launch(void);
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// Return on success : real page_id (>= 0)
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// failure : error number (< 0)
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extern int query_section_articles(SECTION_LIST *p_section, int page_id, ARTICLE *p_articles[],
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int *p_article_count, int *p_page_count, int *p_ontop_start_offset);
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// Input direction = 0 : locate p_article_cur
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// -1 : p_article_cur->p_topic_prior
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// 1 : p_article_cur->p_topic_next
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// Return on success : found (1)
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// : not found (0)
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// failure : error number (< 0)
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extern int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, int step,
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int *p_page_id, int *p_visible_offset, int *p_article_count);
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extern int last_article_in_section(SECTION_LIST *p_section, const ARTICLE **pp_article);
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// Return on success : found (1)
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// : not found (0)
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// failure : error number (< 0)
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extern int scan_unread_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, const ARTICLE **pp_article_unread);
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extern int scan_article_in_section_by_uid(SECTION_LIST *p_section, const ARTICLE *p_article_cur,
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int direction, int32_t uid, const ARTICLE **pp_article);
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extern int scan_article_in_section_by_username(SECTION_LIST *p_section, const ARTICLE *p_article_cur,
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int direction, const char *username, const ARTICLE **pp_article);
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extern int scan_article_in_section_by_title(SECTION_LIST *p_section, const ARTICLE *p_article_cur,
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int direction, const char *title, const ARTICLE **pp_article);
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extern int get_section_ex_menu_set(SECTION_LIST *p_section, MENU_SET *p_ex_menu_set);
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#endif //_SECTION_LIST_LOADER_H_
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