add task operation.

Server/CMakeLists.txt

@@ -1,17 +1,6 @@
 find_package(Boost COMPONENTS program_options json REQUIRED)
 
-add_library(Database
+add_subdirectory(Database)
-    Database.h Database.cpp
-)
-
-target_include_directories(Database
-    INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
-)
-
-target_link_libraries(Database
-    PUBLIC sqlite3
-    PUBLIC Universal
-)
 
 add_executable(Server main.cpp
     HttpSession.h HttpSession.cpp

Server/Database.cpp

@@ -1,56 +0,0 @@
-#include "Database.h"
-#include "BoostLog.h"
-#include <sqlite3.h>
-#include <sstream>
-
-bool Database::open(const std::string &path) {
-    bool ret = true;
-    int result = sqlite3_open(path.c_str(), &m_sqlite3);
-    if (result != SQLITE_OK) {
-        ret = false;
-        LOG(error) << "open database failed.";
-    }
-    initialize();
-    return ret;
-}
-
-void Database::addTask(uint64_t createTime, const std::string &content, bool finished) {
-    std::ostringstream oss;
-    oss << "INSERT INTO tasks (create_time,content,finished) VALUES (" << createTime << ",\"" << content << "\","
-        << finished << ");";
-    auto sql = oss.str();
-    int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, NULL);
-    if (result != SQLITE_OK) {
-        LOG(error) << "add task failed: " << sqlite3_errmsg(m_sqlite3) << ", sql: " << sql;
-        return;
-    }
-}
-
-void Database::setTaskFinished(int id, bool finished, uint64_t finishedTime) {
-    std::ostringstream oss;
-    oss << "UPDATE tasks SET finished = " << finished << ", finished_time = " << finishedTime << " WHERE id = " << id;
-    auto sql = oss.str();
-    int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, NULL);
-    if (result != SQLITE_OK) {
-        LOG(error) << "add task failed: " << sqlite3_errmsg(m_sqlite3) << ", sql: " << sql;
-        return;
-    }
-}
-
-void Database::initialize() {
-    const char *sql =
-        "CREATE TABLE IF NOT EXISTS tasks (id INTEGER PRIMARY KEY AUTOINCREMENT, create_time INTEGER NOT NULL, "
-        "parent_id INTEGER, content VARCHAR(512) NOT NULL, finished BOLL, finished_time INTEGER);";
-    int result = sqlite3_exec(m_sqlite3, sql, NULL, NULL, NULL);
-    if (result != SQLITE_OK) {
-        LOG(error) << "Failed to create table: " << sqlite3_errmsg(m_sqlite3);
-        return;
-    }
-}
-
-Database::~Database() {
-    if (m_sqlite3 != nullptr) {
-        sqlite3_close(m_sqlite3);
-        m_sqlite3 = nullptr;
-    }
-}

Server/Database/CMakeLists.txt

@@ -0,0 +1,13 @@
+add_library(Database
+    Database.h Database.cpp
+    Task.h Task.cpp
+)
+
+target_include_directories(Database
+    INTERFACE ${CMAKE_CURRENT_SOURCE_DIR}
+)
+
+target_link_libraries(Database
+    PUBLIC sqlite3
+    PUBLIC Universal
+)

Server/Database/Database.cpp

@@ -0,0 +1,107 @@
+#include "Database.h"
+#include "BoostLog.h"
+#include <sqlite3.h>
+#include <sstream>
+
+bool Database::open(const std::string &path) {
+    bool ret = true;
+    int result = sqlite3_open(path.c_str(), &m_sqlite3);
+    if (result != SQLITE_OK) {
+        ret = false;
+        LOG(error) << "open database failed.";
+    }
+    initialize();
+    return ret;
+}
+
+static int selectTaskCallback(void *data, int argc, char **argv, char **columnName) {
+    auto tasks = reinterpret_cast<Tasks *>(data);
+    Task task;
+    for (int i = 0; i < argc; i++) {
+        if (argv[i] == nullptr) continue;
+        if (strcmp(columnName[i], "id") == 0) {
+            task.id = std::atol(argv[i]);
+        } else if (strcmp(columnName[i], "create_time") == 0) {
+            task.createTime = std::atol(argv[i]);
+        } else if (strcmp(columnName[i], "content") == 0) {
+            task.content = argv[i];
+        } else if (strcmp(columnName[i], "comment") == 0) {
+            task.comment = argv[i];
+        } else if (strcmp(columnName[i], "finished") == 0) {
+            task.finished = std::atol(argv[i]);
+        }
+    }
+    tasks->push_back(task);
+    return 0;
+}
+
+Tasks Database::tasks() {
+    Tasks ret;
+    char *error = nullptr;
+    if (sqlite3_exec(m_sqlite3, "select * from tasks", selectTaskCallback, &ret, &error) != SQLITE_OK) {
+        LOG(error) << "sqlite3_exec() failed: " << error << std::endl;
+        sqlite3_free(error);
+    }
+    return ret;
+}
+
+bool Database::addTask(uint64_t createTime, const std::string &content, const std::string &comment, bool finished) {
+    bool ret = true;
+    std::ostringstream oss;
+    oss << "INSERT INTO tasks (create_time,content,comment,finished) VALUES (" << createTime << ",\"" << content
+        << "\",\"" << comment << "\"," << finished << ");";
+    auto sql = oss.str();
+    char *error = nullptr;
+    int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, &error);
+    if (result != SQLITE_OK) {
+        LOG(error) << "add task failed: " << error << ", sql: " << sql;
+        sqlite3_free(error);
+        ret = false;
+    }
+    return ret;
+}
+
+bool Database::removeTask(int id) {
+    bool ret = true;
+    std::ostringstream oss;
+    oss << "DELETE FROM tasks WHERE id = " << id << ";";
+    auto sql = oss.str();
+    char *error = nullptr;
+    int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, &error);
+    if (result != SQLITE_OK) {
+        LOG(error) << "add task failed: " << error << ", sql: " << sql;
+        sqlite3_free(error);
+        ret = false;
+    }
+    return ret;
+}
+
+void Database::setTaskFinished(int id, bool finished, uint64_t finishedTime) {
+    std::ostringstream oss;
+    oss << "UPDATE tasks SET finished = " << finished << ", finished_time = " << finishedTime << " WHERE id = " << id;
+    auto sql = oss.str();
+    int result = sqlite3_exec(m_sqlite3, sql.c_str(), NULL, NULL, NULL);
+    if (result != SQLITE_OK) {
+        LOG(error) << "add task failed: " << sqlite3_errmsg(m_sqlite3) << ", sql: " << sql;
+        return;
+    }
+}
+
+void Database::initialize() {
+    const char *sql =
+        "CREATE TABLE IF NOT EXISTS tasks (id INTEGER PRIMARY KEY AUTOINCREMENT, create_time INTEGER NOT NULL, "
+        "parent_id INTEGER, content VARCHAR(512) NOT NULL, comment VARCHAR(512) NOT NULL, finished BOLL, finished_time "
+        "INTEGER);";
+    int result = sqlite3_exec(m_sqlite3, sql, NULL, NULL, NULL);
+    if (result != SQLITE_OK) {
+        LOG(error) << "Failed to create table: " << sqlite3_errmsg(m_sqlite3);
+        return;
+    }
+}
+
+Database::~Database() {
+    if (m_sqlite3 != nullptr) {
+        sqlite3_close(m_sqlite3);
+        m_sqlite3 = nullptr;
+    }
+}

Server/Database/Database.h

@@ -2,6 +2,7 @@
 #define __DATABASE_H__
 
 #include "Singleton.h"
+#include "Task.h"
 #include <string>
 
 struct sqlite3;
@@ -12,7 +13,10 @@ class Database {
 public:
     ~Database();
     bool open(const std::string &path);
-    void addTask(uint64_t createTime, const std::string &content, bool finished = false);
+    Tasks tasks();
+    bool addTask(uint64_t createTime, const std::string &content, const std::string &comment = "",
+                 bool finished = false);
+    bool removeTask(int id);
     void setTaskFinished(int id, bool finished, uint64_t finishedTime);
 
 protected:

Server/Database/Task.cpp

@@ -0,0 +1,22 @@
+#include "Task.h"
+#include <boost/json/array.hpp>
+#include <boost/json/object.hpp>
+#include <boost/json/serialize.hpp>
+
+namespace boost {
+namespace json {
+std::string serialize(const Tasks &tasks) {
+    boost::json::array ret;
+    for (auto &task : tasks) {
+        boost::json::object t;
+        t["id"] = task.id;
+        t["finished"] = task.finished;
+        t["createTime"] = task.createTime;
+        t["content"] = task.content;
+        t["comment"] = task.comment;
+        ret.push_back(std::move(t));
+    }
+    return boost::json::serialize(ret);
+}
+} // namespace json
+} // namespace boost

Server/Database/Task.h

@@ -0,0 +1,23 @@
+#ifndef __TASK_H__
+#define __TASK_H__
+
+#include <list>
+#include <string>
+
+class Task {
+public:
+    int id = -1;
+    bool finished = false;
+    int32_t createTime = 0;
+    std::string content;
+    std::string comment;
+};
+using Tasks = std::list<Task>;
+
+namespace boost {
+namespace json {
+std::string serialize(const Tasks &tasks);
+}
+} // namespace boost
+
+#endif // __TASK_H__

Server/SharedState.cpp

@@ -3,6 +3,7 @@
 #include "ServiceLogic.h"
 #include "WeChatContext/CorporationContext.h"
 #include "WebsocketSession.h"
+#include "Database.h"
 
 SharedState::SharedState(boost::asio::io_context &ioContext, std::string doc_root)
     : m_ioContext(ioContext), m_router{std::make_shared<boost::urls::router<Handler>>()},
@@ -51,11 +52,14 @@ SharedState::SharedState(boost::asio::io_context &ioContext, std::string doc_roo
 
     m_router->insert("/api/v1/tasklist",[this](HttpSession &session, const Request &request, const boost::urls::matches &matches) {
         using namespace boost::beast;
+        auto database = Amass::Singleton<Database>::instance();
+        auto tasks = database->tasks();
+
         http::response<boost::beast::http::string_body> s{boost::beast::http::status::ok, request.version()};
         s.set(http::field::server, BOOST_BEAST_VERSION_STRING);
         s.set(http::field::content_type, "application/json;charset=UTF-8");
         s.keep_alive(request.keep_alive());
-        s.body() = "[]";
+        s.body() = boost::json::serialize(tasks);
         s.prepare_payload();
         session.reply(std::move(s));
     });
@@ -63,10 +67,29 @@ SharedState::SharedState(boost::asio::io_context &ioContext, std::string doc_roo
     m_router->insert("/api/v1/task/add", [this](HttpSession &session, const Request &request, const boost::urls::matches &matches) {
         using namespace boost::beast;
         LOG(info) << "add task: " << request.body();
+        auto database = Amass::Singleton<Database>::instance();
+        auto root = boost::json::parse(request.body());
+        bool ret = database->addTask(root.at("createTime").as_int64(), std::string(root.at("content").as_string()),
+                                        std::string(root.at("comment").as_string()));
+        boost::json::object reply;
+        reply["status"] = ret ? 0 : -1;
+        http::response<boost::beast::http::string_body> s{boost::beast::http::status::ok, request.version()};
+        s.set(http::field::server, BOOST_BEAST_VERSION_STRING);
+        s.set(http::field::content_type, "application/json;charset=UTF-8");
+        s.keep_alive(request.keep_alive());
+        s.body() = boost::json::serialize(reply);
+        s.prepare_payload();
+        session.reply(std::move(s));
+    });
+
+    m_router->insert("/api/v1/task/delete/{id}", [this](HttpSession &session, const Request &request, const boost::urls::matches &matches) {
+        using namespace boost::beast;
+        LOG(info) << "delete task: " << matches.at("id");
+        auto database = Amass::Singleton<Database>::instance();
+        auto status = database->removeTask(std::stoi(matches.at("id")) );
       
         boost::json::object reply;
-        reply["status"] = 0;
+        reply["status"] = status? 0 : -1;
-
         http::response<boost::beast::http::string_body> s{boost::beast::http::status::ok, request.version()};
         s.set(http::field::server, BOOST_BEAST_VERSION_STRING);
         s.set(http::field::content_type, "application/json;charset=UTF-8");

UnitTest/DatabaseTest.cpp

@@ -11,7 +11,7 @@ BOOST_AUTO_TEST_CASE(DatabaseTest) {
 
     database.addTask(1234, "Hello");
 
-    database.addTask(1234, "这是一个测试", true);
+    database.addTask(1234, "这是一个测试","", true);
 
     auto now = duration_cast<seconds>(std::chrono::system_clock::now().time_since_epoch()).count();
     database.setTaskFinished(1, true, now);