127 lines
4.4 KiB
C++
127 lines
4.4 KiB
C++
#include "Database.h"
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#include "BoostLog.h"
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#include <sqlite3.h>
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#include <sstream>
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bool Database::open(const std::string &path) {
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bool ret = true;
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int result = sqlite3_open(path.c_str(), &m_sqlite3);
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if (result != SQLITE_OK) {
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ret = false;
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LOG(error) << "open database failed.";
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}
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initialize();
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return ret;
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}
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static int selectTaskCallback(void *data, int argc, char **argv, char **columnName) {
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auto tasks = reinterpret_cast<Tasks *>(data);
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Task task;
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for (int i = 0; i < argc; i++) {
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if (argv[i] == nullptr) continue;
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if (strcmp(columnName[i], "id") == 0) {
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task.id = std::atol(argv[i]);
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} else if (strcmp(columnName[i], "create_time") == 0) {
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task.createTime = std::atol(argv[i]);
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} else if (strcmp(columnName[i], "content") == 0) {
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task.content = argv[i];
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} else if (strcmp(columnName[i], "comment") == 0) {
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task.comment = argv[i];
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} else if (strcmp(columnName[i], "finished") == 0) {
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task.finished = std::atol(argv[i]);
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} else if (strcmp(columnName[i], "parent_id") == 0) {
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task.parentId = std::atol(argv[i]);
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}
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}
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tasks->push_back(task);
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return 0;
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}
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Tasks Database::tasks() {
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Tasks ret;
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char *error = nullptr;
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if (sqlite3_exec(m_sqlite3, "select * from tasks", selectTaskCallback, &ret, &error) != SQLITE_OK) {
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LOG(error) << "sqlite3_exec() failed: " << error << std::endl;
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sqlite3_free(error);
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}
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std::unordered_map<int, Task *> tasks;
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for (auto iterator = ret.begin(); iterator != ret.end();) {
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if (iterator->parentId >= 0) {
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if (tasks.count(iterator->parentId) > 0) {
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auto parentTask = tasks.at(iterator->parentId);
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parentTask->children.push_back(*iterator);
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tasks.insert({iterator->id, &parentTask->children.back()});
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} else {
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LOG(warning) << "task`s parent id " << iterator->parentId << " not existed.";
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}
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iterator = ret.erase(iterator);
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} else {
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tasks.insert({iterator->id, &(*iterator)});
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++iterator;
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}
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}
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return ret;
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}
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bool Database::addTask(uint64_t createTime, const std::string &content, const std::string &comment, int parentId,
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bool finished) {
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bool ret = true;
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std::ostringstream oss;
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oss << "INSERT INTO tasks (create_time,content,comment,parent_id,finished) VALUES (" << createTime << ",\""
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<< content << "\",\"" << comment << "\"," << parentId << "," << finished << ");";
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auto sql = oss.str();
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char *error = nullptr;
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int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, &error);
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if (result != SQLITE_OK) {
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LOG(error) << "add task failed: " << error << ", sql: " << sql;
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sqlite3_free(error);
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ret = false;
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}
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return ret;
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}
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bool Database::removeTask(int id) {
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bool ret = true;
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std::ostringstream oss;
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oss << "DELETE FROM tasks WHERE id = " << id << ";";
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auto sql = oss.str();
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char *error = nullptr;
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int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, &error);
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if (result != SQLITE_OK) {
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LOG(error) << "add task failed: " << error << ", sql: " << sql;
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sqlite3_free(error);
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ret = false;
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}
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return ret;
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}
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void Database::setTaskFinished(int id, bool finished, uint64_t finishedTime) {
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std::ostringstream oss;
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oss << "UPDATE tasks SET finished = " << finished << ", finished_time = " << finishedTime << " WHERE id = " << id;
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auto sql = oss.str();
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int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, NULL);
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if (result != SQLITE_OK) {
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LOG(error) << "add task failed: " << sqlite3_errmsg(m_sqlite3) << ", sql: " << sql;
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return;
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}
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}
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void Database::initialize() {
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const char *sql =
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"CREATE TABLE IF NOT EXISTS tasks (id INTEGER PRIMARY KEY AUTOINCREMENT, create_time INTEGER NOT NULL, "
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"parent_id INTEGER, content VARCHAR(512) NOT NULL, comment VARCHAR(512) NOT NULL, finished BOLL, finished_time "
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"INTEGER);";
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int result = sqlite3_exec(m_sqlite3, sql, NULL, NULL, NULL);
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if (result != SQLITE_OK) {
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LOG(error) << "Failed to create table: " << sqlite3_errmsg(m_sqlite3);
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return;
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}
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}
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Database::~Database() {
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if (m_sqlite3 != nullptr) {
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sqlite3_close(m_sqlite3);
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m_sqlite3 = nullptr;
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}
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}
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