Add search functionality

.vscode/launch.json

@@ -0,0 +1,28 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": "(gdb) Launch",
+            "type": "cppdbg",
+            "request": "launch",
+            "program": "${workspaceFolder}/bin/contractNotifier",
+            "args": [],
+            "stopAtEntry": false,
+            "cwd": "${workspaceFolder}/bin/",
+            "environment": [],
+            "externalConsole": false,
+            "MIMode": "gdb",
+            "setupCommands": [
+                {
+                    "description": "Enable pretty-printing for gdb",
+                    "text": "-enable-pretty-printing",
+                    "ignoreFailures": true
+                }
+            ],
+            "preLaunchTask": "Build Debug"
+        }
+    ]
+}

.vscode/tasks.json

@@ -0,0 +1,13 @@
+{
+    // See https://go.microsoft.com/fwlink/?LinkId=733558
+    // for the documentation about the tasks.json format
+    "version": "2.0.0",
+    "tasks": [
+        {
+            "label": "Build Debug",
+            "type": "shell",
+            "command": "./build.sh",
+            "group": "build",
+        }
+    ]
+}

src/addCategoryWin.cpp

@@ -20,5 +20,6 @@ auto addCategoryWindow::on_addBtn_clicked() -> void {
     category._desc = this->descBox->text().toUtf8().constData();
     _db->_categories.push_back(category);
     ((MainWindow*)(this->parent()))->updateDB();
+    db_makeList(*(this->_db));
     this->close();
 }

src/addContractWin.cpp

@@ -35,5 +35,6 @@ auto addContractWindow::on_addBtn_clicked() -> void {
         }
     }
     ((MainWindow*)(this->parent()))->updateDB();
+    db_makeList(*(this->_db));
     this->close();
 }

src/lib/db.h

@@ -3,6 +3,8 @@
 
 #include <string>
 #include <vector>
+#include <algorithm>
+#include <mutex>
 #include "contract.h"
 #include "category.h"
 #include <boost/archive/text_oarchive.hpp>
@@ -15,6 +17,7 @@ struct DB {
     std::string _notifier_email = "";
     bool _notify_by_email = true;
     bool _notify_by_notify = true;
+    std::vector<Contract*> *_contractList = nullptr;
 
     template<typename Archive>
         void serialize(Archive & ar, const unsigned int version) {
@@ -26,7 +29,47 @@ struct DB {
         }
 };
 
-static auto  db_addCategory(DB db, Category item) -> void {
+static auto db_search_getCorrectness(const std::string &str, const Contract &contract) -> int {
+    int val = 0;
+    if (contract._name.size() < str.size())
+        for (auto c : contract._name)
+            if (c == str[val]) val++;
+    else if (contract._name.size() > str.size())
+        for (auto c : str)
+            if (c == contract._name[val++]) val++;
+    return val;
+}
+
+static auto db_search_sort(DB &db, const std::string &str) -> void {
+    std::stable_sort(db._contractList->begin(), db._contractList->end(), [=](const Contract *l, const Contract *r) -> bool {return db_search_getCorrectness(str, *l)>db_search_getCorrectness(str, *r);});
+}
+
+static auto db_makeList(DB &db) -> void {
+    std::mutex mtx;
+    mtx.lock();
+    // Make the list
+    if (!db._contractList)
+        db._contractList = new std::vector<Contract*>();
+    db._contractList->clear();
+
+    // Iterate over deactivated category.
+    for (int i = 0; i < db._deactivatedCategory._contracts.size(); i++)
+        db._contractList->push_back(&db._deactivatedCategory._contracts[i]);
+    // Iterate over categories.
+    for (int i = 0; i < db._categories.size(); i++)
+        for (int j = 0; j < db._categories[i]._contracts.size(); j++)
+            db._contractList->push_back(&db._categories[i]._contracts[j]);
+
+    // Sort the list.
+    std::stable_sort(db._contractList->begin(), db._contractList->end(), [=](const Contract *l, const Contract *r) -> bool {return l->_name[0]>r->_name[0];});
+    mtx.unlock();
+}
+
+static auto db_cleanList(DB &db) -> void {
+    delete db._contractList;
+}
+
+static auto  db_addCategory(DB &db, Category &item) -> void {
     // Check if category is already present.
     for (auto i : db._categories)
         if (i == item)

src/lib/notify.h

@@ -3,6 +3,7 @@
 
 #include <ctime>
 #include <thread>
+#include <mutex>
 
 #include <QDate>
 #include <vector>
@@ -73,14 +74,20 @@ static auto notify_check(DB &db, bool by_email = true, bool by_notification = tr
                     }
 
                     // change states/switches.
+                    std::mutex mtx;
+                    mtx.lock();
                     contract._did_notify = true;
                     res = true;
+                    mtx.unlock();
                 }
             }
             if (current_date > expiry_date) {
                 // expire the contract.
+                std::mutex mtx;
+                mtx.lock();
                 contract._expired = true;
                 category_moveContract(category, db._deactivatedCategory, contract);
+                mtx.unlock();
                 res = true;
             }
         }

src/mainwindow.cpp

@@ -48,9 +48,12 @@ MainWindow::MainWindow(QWidget *parent)
         connect(this->_checker, SIGNAL(checkDBepoch()), this, SLOT(updateDB()));
 
         this->treeView->setSelectionMode(QAbstractItemView::SingleSelection);
+
+        db_makeList(this->_db);
 }
 
 MainWindow::~MainWindow() {
+    db_cleanList(this->_db);
     this->_checker->setClosing(true);
     this->_checkingThread->join();
     export_db_as_db(_db, "db.db");
@@ -75,6 +78,25 @@ auto MainWindow::listDB() -> void {
     this->treeView->expandItem(t);
 };
 
+auto MainWindow::on_searchBox_textChanged(const QString &text) -> void {
+    auto str = text.toStdString();
+    if (str == "") {
+        this->listDB();
+    }
+    else {
+        db_search_sort(this->_db, str);
+        // Print contract list to screen.
+        this->treeView->clear();
+        auto t = new QTreeWidgetItem(QStringList() << "Search Results");
+        for (auto contract : *(this->_db._contractList)) {
+            auto item = new QTreeWidgetItem(QStringList() << contract->_name.c_str());
+            t->addChild(item);
+        }
+        this->treeView->addTopLevelItem(t);
+        this->treeView->expandItem(t);
+    }
+}
+
 auto MainWindow::closeEvent(QCloseEvent *event) -> void {
         if(closing) {
             event->accept();
@@ -108,7 +130,7 @@ auto MainWindow::on_infoBtn_clicked() -> void {
 
 auto MainWindow::on_deleteBtn_clicked() -> void {
     // Get item selected
-    auto item = this->treeView->currentItem()->text(0).toUtf8().constData();
+    auto item = this->treeView->currentItem()->text(0).toStdString();
 
     // Check if it is the expired category.
     if (item == "Expired") {
@@ -138,6 +160,7 @@ auto MainWindow::on_deleteBtn_clicked() -> void {
             }
 
     this->updateDB();
+    db_makeList(this->_db);
 }
 
 auto MainWindow::on_treeView_itemClicked(QTreeWidgetItem* _item, int col) -> void {

src/mainwindow.h

@@ -43,6 +43,7 @@ public slots:
     void on_deleteBtn_clicked();
     void closeEvent(QCloseEvent *event) override;
     void on_treeView_itemClicked(QTreeWidgetItem* _item, int column);
+    void on_searchBox_textChanged(const QString &text);
     void on_actionExport_triggered();
     void on_actionImport_triggered();
     void on_actionAdd_Contract_triggered();