feat: Add basic task flow run and edit (#212)

TaskFlow/core/BaseTask.cpp

@@ -0,0 +1,115 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "BaseTask.hpp"
+#include "TaskPort.hpp"
+#include <QUuid>
+#include <QtConcurrent>
+
+namespace QodeAssist::TaskFlow {
+
+BaseTask::BaseTask(QObject *parent)
+    : QObject(parent)
+    , m_taskId("unknown" + QUuid::createUuid().toString())
+{}
+
+BaseTask::~BaseTask()
+{
+    qDeleteAll(m_inputs);
+    qDeleteAll(m_outputs);
+}
+
+QString BaseTask::taskId() const
+{
+    return m_taskId;
+}
+
+void BaseTask::setTaskId(const QString &taskId)
+{
+    m_taskId = taskId;
+}
+
+QString BaseTask::taskType() const
+{
+    return QString(metaObject()->className()).split("::").last();
+}
+
+void BaseTask::addInputPort(const QString &name)
+{
+    QMutexLocker locker(&m_tasksMutex);
+    m_inputs.append(new TaskPort(name, TaskPort::ValueType::Any, this));
+}
+
+void BaseTask::addOutputPort(const QString &name)
+{
+    QMutexLocker locker(&m_tasksMutex);
+    m_outputs.append(new TaskPort(name, TaskPort::ValueType::Any, this));
+}
+
+TaskPort *BaseTask::inputPort(const QString &name) const
+{
+    for (TaskPort *port : m_inputs) {
+        if (port->name() == name) {
+            return port;
+        }
+    }
+    return nullptr;
+}
+
+TaskPort *BaseTask::outputPort(const QString &name) const
+{
+    for (TaskPort *port : m_outputs) {
+        if (port->name() == name) {
+            return port;
+        }
+    }
+    return nullptr;
+}
+
+QList<TaskPort *> BaseTask::getInputPorts() const
+{
+    QMutexLocker locker(&m_tasksMutex);
+    return m_inputs;
+}
+
+QList<TaskPort *> BaseTask::getOutputPorts() const
+{
+    QMutexLocker locker(&m_tasksMutex);
+    return m_outputs;
+}
+
+QFuture<TaskState> BaseTask::executeAsync()
+{
+    return QtConcurrent::task([this]() -> TaskState { return execute(); }).spawn();
+}
+
+QString BaseTask::taskStateAsString(TaskState state)
+{
+    switch (state) {
+    case TaskState::Success:
+        return "Success";
+    case TaskState::Failed:
+        return "Failed";
+    case TaskState::Cancelled:
+        return "Cancelled";
+    }
+    return "Unknown";
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/BaseTask.hpp

@@ -0,0 +1,66 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFuture>
+#include <QMetaType>
+#include <QMutex>
+#include <QObject>
+
+namespace QodeAssist::TaskFlow {
+
+class TaskPort;
+
+enum class TaskState { Success, Failed, Cancelled };
+
+class BaseTask : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit BaseTask(QObject *parent = nullptr);
+    virtual ~BaseTask();
+
+    QString taskId() const;
+    void setTaskId(const QString &taskId);
+    QString taskType() const;
+
+    void addInputPort(const QString &name);
+    void addOutputPort(const QString &name);
+
+    TaskPort *inputPort(const QString &name) const;
+    TaskPort *outputPort(const QString &name) const;
+
+    QList<TaskPort *> getInputPorts() const;
+    QList<TaskPort *> getOutputPorts() const;
+
+    QFuture<TaskState> executeAsync();
+    virtual TaskState execute() = 0;
+
+    static QString taskStateAsString(TaskState state);
+
+private:
+    QString m_taskId;
+    QList<TaskPort *> m_inputs;
+    QList<TaskPort *> m_outputs;
+    mutable QMutex m_tasksMutex;
+};
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/CMakeLists.txt

@@ -0,0 +1,22 @@
+qt_add_library(TaskFlowCore STATIC
+    BaseTask.hpp BaseTask.cpp
+    TaskConnection.hpp TaskConnection.cpp
+    Flow.hpp Flow.cpp
+    TaskPort.hpp TaskPort.cpp
+    TaskRegistry.hpp TaskRegistry.cpp
+    FlowManager.hpp FlowManager.cpp
+    FlowRegistry.hpp FlowRegistry.cpp
+)
+
+target_link_libraries(TaskFlowCore
+    PUBLIC
+    Qt::Core
+    Qt::Concurrent
+    PRIVATE
+    QodeAssistLogger
+)
+
+target_include_directories(TaskFlowCore
+    PUBLIC
+    ${CMAKE_CURRENT_SOURCE_DIR}
+)

TaskFlow/core/Flow.cpp

@@ -0,0 +1,355 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "Flow.hpp"
+#include "TaskPort.hpp"
+#include <QUuid>
+#include <QtConcurrent>
+
+namespace QodeAssist::TaskFlow {
+
+Flow::Flow(QObject *parent)
+    : QObject(parent)
+    , m_flowId("flow_" + QUuid::createUuid().toString())
+{}
+
+Flow::~Flow()
+{
+    QMutexLocker locker(&m_flowMutex);
+    qDeleteAll(m_connections);
+    qDeleteAll(m_tasks);
+}
+
+QString Flow::flowId() const
+{
+    return m_flowId;
+}
+
+void Flow::setFlowId(const QString &flowId)
+{
+    if (m_flowId != flowId) {
+        m_flowId = flowId;
+    }
+}
+
+void Flow::addTask(BaseTask *task)
+{
+    if (!task) {
+        return;
+    }
+
+    QMutexLocker locker(&m_flowMutex);
+
+    QString taskId = task->taskId();
+    if (m_tasks.contains(taskId)) {
+        qWarning() << "Flow::addTask - Task with ID" << taskId << "already exists";
+        return;
+    }
+
+    m_tasks.insert(taskId, task);
+    task->setParent(this);
+
+    emit taskAdded(taskId);
+}
+
+void Flow::removeTask(const QString &taskId)
+{
+    QMutexLocker locker(&m_flowMutex);
+
+    BaseTask *task = m_tasks.value(taskId);
+    if (!task) {
+        return;
+    }
+
+    auto it = m_connections.begin();
+    while (it != m_connections.end()) {
+        TaskConnection *connection = *it;
+        if (connection->sourceTask() == task || connection->targetTask() == task) {
+            it = m_connections.erase(it);
+            emit connectionRemoved(connection);
+            delete connection;
+        } else {
+            ++it;
+        }
+    }
+
+    m_tasks.remove(taskId);
+    emit taskRemoved(taskId);
+    delete task;
+}
+
+void Flow::removeTask(BaseTask *task)
+{
+    if (!task) {
+        return;
+    }
+    removeTask(task->taskId());
+}
+
+BaseTask *Flow::getTask(const QString &taskId) const
+{
+    QMutexLocker locker(&m_flowMutex);
+    return m_tasks.value(taskId);
+}
+
+bool Flow::hasTask(const QString &taskId) const
+{
+    QMutexLocker locker(&m_flowMutex);
+    return m_tasks.contains(taskId);
+}
+
+QHash<QString, BaseTask *> Flow::tasks() const
+{
+    QMutexLocker locker(&m_flowMutex);
+    return m_tasks;
+}
+
+TaskConnection *Flow::addConnection(TaskPort *sourcePort, TaskPort *targetPort)
+{
+    if (!sourcePort || !targetPort) {
+        qWarning() << "Flow::addConnection - Invalid ports";
+        return nullptr;
+    }
+
+    // Verify ports belong to tasks in this flow
+    BaseTask *sourceTask = qobject_cast<BaseTask *>(sourcePort->parent());
+    BaseTask *targetTask = qobject_cast<BaseTask *>(targetPort->parent());
+
+    if (!sourceTask || !targetTask) {
+        qWarning() << "Flow::addConnection - Ports don't belong to valid tasks";
+        return nullptr;
+    }
+
+    QMutexLocker locker(&m_flowMutex);
+
+    if (!m_tasks.contains(sourceTask->taskId()) || !m_tasks.contains(targetTask->taskId())) {
+        qWarning() << "Flow::addConnection - Tasks not in this flow";
+        return nullptr;
+    }
+
+    for (TaskConnection *existingConnection : m_connections) {
+        if (existingConnection->sourcePort() == sourcePort
+            && existingConnection->targetPort() == targetPort) {
+            qWarning() << "Flow::addConnection - Connection already exists";
+            return existingConnection;
+        }
+    }
+
+    TaskConnection *connection = new TaskConnection(sourcePort, targetPort, this);
+    m_connections.append(connection);
+
+    emit connectionAdded(connection);
+    return connection;
+}
+
+void Flow::removeConnection(TaskConnection *connection)
+{
+    if (!connection) {
+        return;
+    }
+
+    QMutexLocker locker(&m_flowMutex);
+
+    if (m_connections.removeOne(connection)) {
+        emit connectionRemoved(connection);
+        delete connection;
+    }
+}
+
+QList<TaskConnection *> Flow::connections() const
+{
+    QMutexLocker locker(&m_flowMutex);
+    return m_connections;
+}
+
+QFuture<FlowState> Flow::executeAsync()
+{
+    return QtConcurrent::run([this]() { return execute(); });
+}
+
+FlowState Flow::execute()
+{
+    emit executionStarted();
+
+    if (!isValid()) {
+        emit executionFinished(FlowState::Failed);
+        return FlowState::Failed;
+    }
+
+    if (hasCircularDependencies()) {
+        qWarning() << "Flow::execute - Circular dependencies detected";
+        emit executionFinished(FlowState::Failed);
+        return FlowState::Failed;
+    }
+
+    QList<BaseTask *> executionOrder = getExecutionOrder();
+
+    for (BaseTask *task : executionOrder) {
+        TaskState taskResult = task->execute();
+
+        if (taskResult == TaskState::Failed) {
+            qWarning() << "Flow::execute - Task" << task->taskId() << "failed";
+            emit executionFinished(FlowState::Failed);
+            return FlowState::Failed;
+        }
+
+        if (taskResult == TaskState::Cancelled) {
+            qWarning() << "Flow::execute - Task" << task->taskId() << "cancelled";
+            emit executionFinished(FlowState::Cancelled);
+            return FlowState::Cancelled;
+        }
+    }
+
+    emit executionFinished(FlowState::Success);
+    return FlowState::Success;
+}
+
+bool Flow::isValid() const
+{
+    QMutexLocker locker(&m_flowMutex);
+
+    // Check all connections are valid
+    for (TaskConnection *connection : m_connections) {
+        if (!connection->isValid()) {
+            return false;
+        }
+    }
+
+    return true;
+}
+
+bool Flow::hasCircularDependencies() const
+{
+    return detectCircularDependencies();
+}
+
+QString Flow::flowStateAsString(FlowState state)
+{
+    switch (state) {
+    case FlowState::Success:
+        return "Success";
+    case FlowState::Failed:
+        return "Failed";
+    case FlowState::Cancelled:
+        return "Cancelled";
+    }
+    return "Unknown";
+}
+
+QStringList Flow::getTaskIds() const
+{
+    QMutexLocker locker(&m_flowMutex);
+    return m_tasks.keys();
+}
+
+QList<BaseTask *> Flow::getExecutionOrder() const
+{
+    QMutexLocker locker(&m_flowMutex);
+
+    QList<BaseTask *> result;
+    QSet<BaseTask *> visited;
+    QList<BaseTask *> allTasks = m_tasks.values();
+
+    std::function<void(BaseTask *)> visit = [&](BaseTask *task) {
+        if (visited.contains(task)) {
+            return;
+        }
+
+        visited.insert(task);
+
+        QList<BaseTask *> dependencies = getTaskDependencies(task);
+        for (BaseTask *dependency : dependencies) {
+            visit(dependency);
+        }
+
+        result.append(task);
+    };
+
+    for (BaseTask *task : allTasks) {
+        visit(task);
+    }
+
+    return result;
+}
+
+bool Flow::detectCircularDependencies() const
+{
+    QMutexLocker locker(&m_flowMutex);
+
+    QSet<BaseTask *> visited;
+    QSet<BaseTask *> recursionStack;
+    bool hasCycle = false;
+
+    for (BaseTask *task : m_tasks.values()) {
+        if (!visited.contains(task)) {
+            visitTask(task, visited, recursionStack, hasCycle);
+            if (hasCycle) {
+                return true;
+            }
+        }
+    }
+
+    return false;
+}
+
+void Flow::visitTask(
+    BaseTask *task, QSet<BaseTask *> &visited, QSet<BaseTask *> &recursionStack, bool &hasCycle) const
+{
+    if (hasCycle) {
+        return;
+    }
+
+    visited.insert(task);
+    recursionStack.insert(task);
+
+    for (TaskConnection *connection : m_connections) {
+        if (connection->sourceTask() == task) {
+            BaseTask *dependentTask = connection->targetTask();
+
+            if (recursionStack.contains(dependentTask)) {
+                hasCycle = true;
+                return;
+            }
+
+            if (!visited.contains(dependentTask)) {
+                visitTask(dependentTask, visited, recursionStack, hasCycle);
+            }
+        }
+    }
+
+    recursionStack.remove(task);
+}
+
+QList<BaseTask *> Flow::getTaskDependencies(BaseTask *task) const
+{
+    QList<BaseTask *> dependencies;
+
+    for (TaskConnection *connection : m_connections) {
+        if (connection->targetTask() == task) {
+            BaseTask *dependencyTask = connection->sourceTask();
+            if (!dependencies.contains(dependencyTask)) {
+                dependencies.append(dependencyTask);
+            }
+        }
+    }
+
+    return dependencies;
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/Flow.hpp

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QFuture>
+#include <QHash>
+#include <QList>
+#include <QMetaType>
+#include <QMutex>
+#include <QObject>
+
+#include "BaseTask.hpp"
+#include "TaskConnection.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+enum class FlowState { Success, Failed, Cancelled };
+
+class Flow : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit Flow(QObject *parent = nullptr);
+    ~Flow() override;
+
+    QString flowId() const;
+    void setFlowId(const QString &flowId);
+
+    void addTask(BaseTask *task);
+    void removeTask(const QString &taskId);
+    void removeTask(BaseTask *task);
+
+    BaseTask *getTask(const QString &taskId) const;
+    bool hasTask(const QString &taskId) const;
+    QHash<QString, BaseTask *> tasks() const;
+
+    TaskConnection *addConnection(TaskPort *sourcePort, TaskPort *targetPort);
+    void removeConnection(TaskConnection *connection);
+    QList<TaskConnection *> connections() const;
+
+    QFuture<FlowState> executeAsync();
+    virtual FlowState execute();
+
+    bool isValid() const;
+    bool hasCircularDependencies() const;
+
+    static QString flowStateAsString(FlowState state);
+    QStringList getTaskIds() const;
+
+signals:
+    void taskAdded(const QString &taskId);
+    void taskRemoved(const QString &taskId);
+    void connectionAdded(QodeAssist::TaskFlow::TaskConnection *connection);
+    void connectionRemoved(QodeAssist::TaskFlow::TaskConnection *connection);
+    void executionStarted();
+    void executionFinished(FlowState result);
+
+private:
+    QString m_flowId;
+    QHash<QString, BaseTask *> m_tasks;
+    QList<TaskConnection *> m_connections;
+    mutable QMutex m_flowMutex;
+
+    QList<BaseTask *> getExecutionOrder() const;
+    bool detectCircularDependencies() const;
+    void visitTask(
+        BaseTask *task,
+        QSet<BaseTask *> &visited,
+        QSet<BaseTask *> &recursionStack,
+        bool &hasCycle) const;
+    QList<BaseTask *> getTaskDependencies(BaseTask *task) const;
+};
+
+} // namespace QodeAssist::TaskFlow
+
+Q_DECLARE_METATYPE(QodeAssist::TaskFlow::Flow *)
+Q_DECLARE_METATYPE(QodeAssist::TaskFlow::FlowState)

TaskFlow/core/FlowManager.cpp

@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "FlowManager.hpp"
+
+#include <Logger.hpp>
+#include <QFile>
+#include <QFileInfo>
+#include <QJsonDocument>
+
+#include "FlowRegistry.hpp"
+#include "TaskRegistry.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+FlowManager::FlowManager(QObject *parent)
+    : QObject(parent)
+    , m_taskRegistry(new TaskRegistry(this))
+    , m_flowRegistry(new FlowRegistry(this))
+{
+    LOG_MESSAGE("FlowManager created");
+}
+
+FlowManager::~FlowManager()
+{
+    clear();
+}
+
+// Flow *FlowManager::createFlow(const QString &flowId)
+// {
+//     Flow *flow = new Flow(flowId, m_taskRegistry, this);
+//     if (!m_flows.contains(flow->flowId())) {
+//         m_flows.insert(flowId, flow);
+//     } else {
+//         LOG_MESSAGE(
+//             QString("FlowManager::createFlow - flow with id %1 already exists").arg(flow->flowId()));
+//     }
+
+//     return flow;
+// }
+
+void FlowManager::addFlow(Flow *flow)
+{
+    qDebug() << "FlowManager::addFlow" << flow->flowId();
+    if (!m_flows.contains(flow->flowId())) {
+        m_flows.insert(flow->flowId(), flow);
+        flow->setParent(this);
+        emit flowAdded(flow->flowId());
+    } else {
+        LOG_MESSAGE(
+            QString("FlowManager::addFlow - flow with id %1 already exists").arg(flow->flowId()));
+    }
+}
+
+void FlowManager::clear()
+{
+    LOG_MESSAGE(QString("FlowManager::clear - removing %1 flows").arg(m_flows.size()));
+
+    qDeleteAll(m_flows);
+    m_flows.clear();
+}
+
+QStringList FlowManager::getAvailableTasksTypes()
+{
+    return m_taskRegistry->getAvailableTypes();
+}
+
+QStringList FlowManager::getAvailableFlows()
+{
+    return m_flowRegistry->getAvailableTypes();
+}
+
+QHash<QString, Flow *> FlowManager::flows() const
+{
+    return m_flows;
+}
+
+TaskRegistry *FlowManager::taskRegistry() const
+{
+    return m_taskRegistry;
+}
+
+FlowRegistry *FlowManager::flowRegistry() const
+{
+    return m_flowRegistry;
+}
+
+Flow *FlowManager::getFlow(const QString &flowId) const
+{
+    // if (flowId.isEmpty()) {
+    //     return m_flows.begin().value();
+    // }
+    // return m_flows.value(flowId, nullptr);
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/FlowManager.hpp

@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QHash>
+#include <QJsonArray>
+#include <QJsonObject>
+#include <QObject>
+#include <QString>
+
+#include "Flow.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+class TaskRegistry;
+class FlowRegistry;
+
+class FlowManager : public QObject
+{
+    Q_OBJECT
+
+public:
+    explicit FlowManager(QObject *parent = nullptr);
+    ~FlowManager() override;
+
+    // Flow *createFlow(const QString &flowId);
+    void addFlow(Flow *flow);
+
+    void clear();
+
+    QStringList getAvailableTasksTypes();
+    QStringList getAvailableFlows();
+
+    QHash<QString, Flow *> flows() const;
+
+    TaskRegistry *taskRegistry() const;
+    FlowRegistry *flowRegistry() const;
+
+    Flow *getFlow(const QString &flowId = {}) const;
+
+signals:
+    void flowAdded(const QString &flowId);
+    void flowRemoved(const QString &flowId);
+
+private:
+    QHash<QString, Flow *> m_flows;
+
+    TaskRegistry *m_taskRegistry;
+    FlowRegistry *m_flowRegistry;
+};
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/FlowRegistry.cpp

@@ -0,0 +1,43 @@
+#include "FlowRegistry.hpp"
+#include "Logger.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+FlowRegistry::FlowRegistry(QObject *parent)
+    : QObject(parent)
+{}
+
+void FlowRegistry::registerFlow(const QString &flowType, FlowCreator creator)
+{
+    m_flowCreators[flowType] = creator;
+    LOG_MESSAGE(QString("FlowRegistry: Registered flow type '%1'").arg(flowType));
+}
+
+Flow *FlowRegistry::createFlow(const QString &flowType, FlowManager *flowManager) const
+{
+    LOG_MESSAGE(QString("Trying to create flow: %1").arg(flowType));
+
+    if (m_flowCreators.contains(flowType)) {
+        LOG_MESSAGE(QString("Found creator for flow type: %1").arg(flowType));
+        try {
+            Flow *flow = m_flowCreators[flowType](flowManager);
+            if (flow) {
+                LOG_MESSAGE(QString("Successfully created flow: %1").arg(flowType));
+                return flow;
+            }
+        } catch (...) {
+            LOG_MESSAGE(QString("Exception while creating flow of type: %1").arg(flowType));
+        }
+    } else {
+        LOG_MESSAGE(QString("No creator found for flow type: %1").arg(flowType));
+    }
+
+    return nullptr;
+}
+
+QStringList FlowRegistry::getAvailableTypes() const
+{
+    return m_flowCreators.keys();
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/FlowRegistry.hpp

@@ -0,0 +1,29 @@
+#pragma once
+
+#include <functional>
+#include <QHash>
+#include <QObject>
+#include <QString>
+
+namespace QodeAssist::TaskFlow {
+
+class Flow;
+class FlowManager;
+
+class FlowRegistry : public QObject
+{
+    Q_OBJECT
+public:
+    using FlowCreator = std::function<Flow *(FlowManager *flowManager)>;
+
+    explicit FlowRegistry(QObject *parent = nullptr);
+
+    void registerFlow(const QString &flowType, FlowCreator creator);
+    Flow *createFlow(const QString &flowType, FlowManager *flowManager = nullptr) const;
+    QStringList getAvailableTypes() const;
+
+private:
+    QHash<QString, FlowCreator> m_flowCreators;
+};
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/TaskConnection.cpp

@@ -0,0 +1,125 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "TaskConnection.hpp"
+#include "BaseTask.hpp"
+#include "TaskPort.hpp"
+#include <QMetaEnum>
+
+namespace QodeAssist::TaskFlow {
+
+TaskConnection::TaskConnection(TaskPort *sourcePort, TaskPort *targetPort, QObject *parent)
+    : QObject(parent)
+    , m_sourcePort(sourcePort)
+    , m_targetPort(targetPort)
+{
+    setupConnection();
+}
+
+TaskConnection::~TaskConnection()
+{
+    cleanupConnection();
+}
+
+BaseTask *TaskConnection::sourceTask() const
+{
+    return m_sourcePort ? qobject_cast<BaseTask *>(m_sourcePort->parent()) : nullptr;
+}
+
+BaseTask *TaskConnection::targetTask() const
+{
+    return m_targetPort ? qobject_cast<BaseTask *>(m_targetPort->parent()) : nullptr;
+}
+
+TaskPort *TaskConnection::sourcePort() const
+{
+    return m_sourcePort;
+}
+
+TaskPort *TaskConnection::targetPort() const
+{
+    return m_targetPort;
+}
+
+bool TaskConnection::isValid() const
+{
+    return m_sourcePort && m_targetPort && m_sourcePort != m_targetPort && sourceTask()
+           && targetTask() && sourceTask() != targetTask();
+}
+
+bool TaskConnection::isTypeCompatible() const
+{
+    if (!isValid()) {
+        return false;
+    }
+
+    return m_targetPort->isConnectionTypeCompatible(m_sourcePort);
+}
+
+QString TaskConnection::toString() const
+{
+    if (!isValid()) {
+        return QString();
+    }
+
+    BaseTask *srcTask = sourceTask();
+    BaseTask *tgtTask = targetTask();
+
+    return QString("%1.%2->%3.%4")
+        .arg(srcTask->taskId())
+        .arg(m_sourcePort->name())
+        .arg(tgtTask->taskId())
+        .arg(m_targetPort->name());
+}
+
+bool TaskConnection::operator==(const TaskConnection &other) const
+{
+    return m_sourcePort == other.m_sourcePort && m_targetPort == other.m_targetPort;
+}
+
+void TaskConnection::setupConnection()
+{
+    if (!isValid()) {
+        qWarning() << "TaskConnection::setupConnection - Invalid connection parameters";
+        return;
+    }
+
+    if (!isTypeCompatible()) {
+        QMetaEnum metaEnum = QMetaEnum::fromType<TaskPort::ValueType>();
+        qWarning() << "TaskConnection::setupConnection - Type incompatible connection:"
+                   << metaEnum.valueToKey(static_cast<int>(m_sourcePort->valueType())) << "to"
+                   << metaEnum.valueToKey(static_cast<int>(m_targetPort->valueType()));
+    }
+
+    m_sourcePort->setConnection(this);
+    m_targetPort->setConnection(this);
+}
+
+void TaskConnection::cleanupConnection()
+{
+    if (m_sourcePort && m_sourcePort->connection() == this) {
+        m_sourcePort->setConnection(nullptr);
+    }
+
+    if (m_targetPort && m_targetPort->connection() == this) {
+        m_targetPort->setConnection(nullptr);
+    }
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/TaskConnection.hpp

@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QString>
+
+namespace QodeAssist::TaskFlow {
+
+class BaseTask;
+class TaskPort;
+
+class TaskConnection : public QObject
+{
+    Q_OBJECT
+
+public:
+    // Constructor automatically sets up the connection
+    explicit TaskConnection(TaskPort *sourcePort, TaskPort *targetPort, QObject *parent = nullptr);
+
+    // Destructor automatically cleans up the connection
+    ~TaskConnection() override;
+
+    // Getters
+    BaseTask *sourceTask() const;
+    BaseTask *targetTask() const;
+    TaskPort *sourcePort() const;
+    TaskPort *targetPort() const;
+
+    // Validation
+    bool isValid() const;
+    bool isTypeCompatible() const;
+
+    // Utility
+    QString toString() const;
+
+    // Comparison
+    bool operator==(const TaskConnection &other) const;
+
+private:
+    TaskPort *m_sourcePort;
+    TaskPort *m_targetPort;
+
+    void setupConnection();
+    void cleanupConnection();
+};
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/TaskPort.cpp

@@ -0,0 +1,122 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "TaskPort.hpp"
+#include "TaskConnection.hpp"
+#include <QMetaEnum>
+
+namespace QodeAssist::TaskFlow {
+
+TaskPort::TaskPort(const QString &name, ValueType type, QObject *parent)
+    : QObject(parent)
+    , m_name(name)
+    , m_valueType(type)
+{}
+
+QString TaskPort::name() const
+{
+    return m_name;
+}
+
+void TaskPort::setValueType(ValueType type)
+{
+    if (m_valueType != type)
+        m_valueType = type;
+}
+
+TaskPort::ValueType TaskPort::valueType() const
+{
+    return m_valueType;
+}
+
+void TaskPort::setValue(const QVariant &value)
+{
+    if (!isValueTypeCompatible(value)) {
+        qWarning() << "TaskPort::setValue - Type mismatch for port" << m_name << "Expected:"
+                   << QMetaEnum::fromType<ValueType>().valueToKey(static_cast<int>(m_valueType))
+                   << "Got:" << value.typeName();
+    }
+
+    if (m_value != value) {
+        m_value = value;
+        emit valueChanged();
+    }
+}
+
+QVariant TaskPort::value() const
+{
+    if (hasConnection() && m_connection->sourcePort()) {
+        return m_connection->sourcePort()->m_value;
+    }
+    return m_value;
+}
+
+void TaskPort::setConnection(TaskConnection *connection)
+{
+    if (m_connection != connection) {
+        m_connection = connection;
+        emit connectionChanged();
+    }
+}
+
+TaskConnection *TaskPort::connection() const
+{
+    return m_connection;
+}
+
+bool TaskPort::hasConnection() const
+{
+    return m_connection != nullptr;
+}
+
+bool TaskPort::isValueTypeCompatible(const QVariant &value) const
+{
+    if (m_valueType == ValueType::Any) {
+        return true;
+    }
+
+    switch (m_valueType) {
+    case ValueType::String:
+        return value.canConvert<QString>();
+
+    case ValueType::Number:
+        return value.canConvert<double>() || value.canConvert<int>();
+
+    case ValueType::Boolean:
+        return value.canConvert<bool>();
+
+    default:
+        return false;
+    }
+}
+
+bool TaskPort::isConnectionTypeCompatible(const TaskPort *sourcePort) const
+{
+    if (!sourcePort) {
+        return false;
+    }
+
+    if (sourcePort->valueType() == ValueType::Any || m_valueType == ValueType::Any) {
+        return true;
+    }
+
+    return sourcePort->valueType() == m_valueType;
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/TaskPort.hpp

@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <QObject>
+#include <QString>
+#include <QVariant>
+
+#include "TaskConnection.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+class TaskPort : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum class ValueType {
+        Any,    // QVariant
+        String, // QString
+        Number, // int/double
+        Boolean // bool
+    };
+    Q_ENUM(ValueType)
+
+    explicit TaskPort(
+        const QString &name, ValueType type = ValueType::Any, QObject *parent = nullptr);
+
+    QString name() const;
+
+    ValueType valueType() const;
+    void setValueType(ValueType type);
+
+    void setValue(const QVariant &value);
+    QVariant value() const;
+
+    void setConnection(TaskConnection *connection);
+    TaskConnection *connection() const;
+    bool hasConnection() const;
+
+    bool isValueTypeCompatible(const QVariant &value) const;
+    bool isConnectionTypeCompatible(const TaskPort *sourcePort) const;
+
+signals:
+    void valueChanged();
+    void connectionChanged();
+
+private:
+    QString m_name;
+    ValueType m_valueType;
+    QVariant m_value;
+    TaskConnection *m_connection = nullptr;
+};
+
+} // namespace QodeAssist::TaskFlow
+
+Q_DECLARE_METATYPE(QodeAssist::TaskFlow::TaskPort *)
+Q_DECLARE_METATYPE(QodeAssist::TaskFlow::TaskPort::ValueType)

TaskFlow/core/TaskRegistry.cpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#include "TaskRegistry.hpp"
+
+#include <Logger.hpp>
+
+#include "BaseTask.hpp"
+
+namespace QodeAssist::TaskFlow {
+
+TaskRegistry::TaskRegistry(QObject *parent)
+    : QObject(parent)
+{}
+
+BaseTask *TaskRegistry::createTask(const QString &taskType, QObject *parent) const
+{
+    LOG_MESSAGE(QString("Trying to create task: %1").arg(taskType));
+
+    if (m_creators.contains(taskType)) {
+        LOG_MESSAGE(QString("Found creator for task type: %1").arg(taskType));
+        try {
+            BaseTask *task = m_creators[taskType](parent);
+            if (task) {
+                LOG_MESSAGE(QString("Successfully created task: %1").arg(taskType));
+                return task;
+            }
+        } catch (...) {
+            LOG_MESSAGE(QString("Exception while creating task of type: %1").arg(taskType));
+        }
+    } else {
+        LOG_MESSAGE(QString("No creator found for task type: %1").arg(taskType));
+    }
+
+    return nullptr;
+}
+
+QStringList TaskRegistry::getAvailableTypes() const
+{
+    return m_creators.keys();
+}
+
+} // namespace QodeAssist::TaskFlow

TaskFlow/core/TaskRegistry.hpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Petr Mironychev
+ *
+ * This file is part of QodeAssist.
+ *
+ * QodeAssist is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * QodeAssist is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with QodeAssist. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#pragma once
+
+#include <functional>
+#include <QHash>
+#include <QObject>
+#include <QString>
+
+namespace QodeAssist::TaskFlow {
+
+class BaseTask;
+
+class TaskRegistry : public QObject
+{
+    Q_OBJECT
+public:
+    using TaskCreator = std::function<BaseTask *(QObject *parent)>;
+
+    explicit TaskRegistry(QObject *parent = nullptr);
+
+    template<typename T>
+    inline void registerTask(const QString &taskType)
+    {
+        m_creators[taskType] = [](QObject *parent) -> BaseTask * { return new T(parent); };
+    }
+    BaseTask *createTask(const QString &taskType, QObject *parent = nullptr) const;
+    QStringList getAvailableTypes() const;
+
+private:
+    QHash<QString, TaskCreator> m_creators;
+};
+
+} // namespace QodeAssist::TaskFlow