140 рядки
3.6 KiB
C++
140 рядки
3.6 KiB
C++
/* Copyright (c) 2018 Albert S.
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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#include <string>
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#include <vector>
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#include "categorydaosqlite.h"
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#include "sqlitequeryoption.h"
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CategoryDaoSqlite::CategoryDaoSqlite()
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{
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}
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std::optional<Category> CategoryDaoSqlite::find(std::string name)
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{
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try
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{
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Category result;
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*db << "SELECT id, name FROM category WHERE name = ?" << name >> std::tie(result.id, result.name);
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return result;
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}
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catch(const sqlite::exceptions::no_rows &e)
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{
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return {};
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}
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catch(sqlite::sqlite_exception &e)
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{
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throwFrom(e);
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}
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return {};
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}
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void CategoryDaoSqlite::save(const Category &c)
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{
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try
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{
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*db << "INSERT OR IGNORE INTO category (id, name) VALUES (SELECT id FROM category WHERE lower(name) = "
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"lower(?), lower(?)"
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<< c.name << c.name;
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}
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catch(sqlite::sqlite_exception &e)
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{
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throwFrom(e);
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}
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}
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void CategoryDaoSqlite::deleteCategory(std::string name)
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{
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try
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{
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*db << "BEGIN;";
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*db << "DELETE FROM categorymember WHERE category = (SELECT id FROM category WHERE name = ?);" << name;
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*db << "DELETE FROM category WHERE name = ?;" << name;
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*db << "COMMIT;";
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}
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catch(sqlite::sqlite_exception &e)
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{
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*db << "ROLLBACK";
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throwFrom(e);
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}
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}
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std::vector<std::string> CategoryDaoSqlite::fetchList(QueryOption o)
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{
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std::vector<std::string> result;
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try
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{
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auto queryoption = SqliteQueryOption(o).setPrependWhere(true).setOrderByColumn("name").build();
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*db << "SELECT name FROM category " + queryoption >> [&](std::string n) { result.push_back(n); };
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}
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catch(const sqlite::exceptions::no_rows &e)
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{
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return result;
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}
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catch(const sqlite::sqlite_exception &e)
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{
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throwFrom(e);
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}
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return result;
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}
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std::vector<Page> CategoryDaoSqlite::fetchMembers(std::string name, QueryOption o)
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{
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std::vector<Page> result;
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SqliteQueryOption queryOption{o};
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std::string queryoptions =
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queryOption.setOrderByColumn("name").setListedColumnName("page.listed").setPrependWhere(false).build();
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try
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{
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auto query =
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*db
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<< "SELECT page.id, page.name AS name, page.title, page.lastrevision, page.listed, page.feedlisted FROM "
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"categorymember INNER JOIN page ON page.id = "
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"categorymember.page WHERE category = (SELECT id FROM category WHERE name = ? ) AND " +
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queryoptions
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<< name;
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query >> [&](unsigned int id, std::string name, std::string title, unsigned int lastrevision, bool listed,
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bool feedlisted)
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{
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Page p;
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p.name = name;
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p.pageid = id;
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p.title = title;
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p.current_revision = lastrevision;
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p.listed = listed;
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p.feedlisted = feedlisted;
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result.push_back(p);
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};
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}
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catch(const sqlite::exceptions::no_rows &e)
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{
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return result;
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}
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catch(sqlite::sqlite_exception &e)
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{
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throwFrom(e);
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}
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return result;
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}
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