Refactor library folders

Add paginators per output type in b_manage

src/reports/DatasetsExcel.cpp

@@ -0,0 +1,48 @@
+#include "DatasetsExcel.h"
+
+namespace platform {
+    DatasetsExcel::DatasetsExcel()
+    {
+        file_name = "datasets.xlsx";
+        workbook = workbook_new(getFileName().c_str());
+        createFormats();
+        setProperties("Datasets");
+    }
+    DatasetsExcel::~DatasetsExcel()
+    {
+        workbook_close(workbook);
+    }
+    void DatasetsExcel::report(json& data)
+    {
+        int datasetNameSize = 25; // Min size of the column
+        int balanceSize = 75; // Min size of the column
+        worksheet = workbook_add_worksheet(workbook, "Datasets");
+        // Header
+        worksheet_merge_range(worksheet, 0, 0, 0, 5, "Datasets", styles["headerFirst"]);
+        // Body header
+        row = 2;
+        int col = 0;
+        for (const auto& name : { "Nº", "Dataset", "Samples", "Features", "Classes", "Balance" }) {
+            writeString(row, col++, name, "bodyHeader");
+        }
+        // Body
+        for (auto& [key, value] : data.items()) {
+            row++;
+            if (key.size() > datasetNameSize) {
+                datasetNameSize = key.size();
+            }
+            writeInt(row, 0, row - 3, "ints");
+            writeString(row, 1, key.c_str(), "text");
+            writeInt(row, 2, value["samples"], "ints");
+            writeInt(row, 3, value["features"], "ints");
+            writeInt(row, 4, value["classes"], "ints");
+            writeString(row, 5, value["balance"].get<std::string>().c_str(), "text");
+        }
+        // Format columns
+        worksheet_freeze_panes(worksheet, 3, 2);
+        std::vector<int> columns_sizes = { 5, datasetNameSize, 10, 10, 10, balanceSize };
+        for (int i = 0; i < columns_sizes.size(); ++i) {
+            worksheet_set_column(worksheet, i, i, columns_sizes.at(i), NULL);
+        }
+    }
+}