Add data loader module

modules/dataloader/reader.cpp

@@ -0,0 +1,93 @@
+/*****************************************************************************************
+ *                                                                                       *
+ * OpenSpace                                                                             *
+ *                                                                                       *
+ * Copyright (c) 2014-2018                                                               *
+ *                                                                                       *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this  *
+ * software and associated documentation files (the "Software"), to deal in the Software *
+ * without restriction, including without limitation the rights to use, copy, modify,    *
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and to    *
+ * permit persons to whom the Software is furnished to do so, subject to the following   *
+ * conditions:                                                                           *
+ *                                                                                       *
+ * The above copyright notice and this permission notice shall be included in all copies *
+ * or substantial portions of the Software.                                              *
+ *                                                                                       *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,   *
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A         *
+ * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT    *
+ * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF  *
+ * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE  *
+ * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.                                         *
+ ****************************************************************************************/
+
+#include <modules/dataloader/reader.h>
+#include <ghoul/logging/logmanager.h>
+#include <ghoul/filesystem/filesystem.h>
+
+namespace {
+    constexpr const char* _loggerCat = "Reader";
+} // namespace
+
+namespace {
+    static const openspace::properties::Property::PropertyInfo VolumesInfo = {
+        "Volumes",
+        "List of volumes stored internally and ready to load",
+        "This list contains names of volume data files converted from the CDF format"
+    };
+
+    static const openspace::properties::Property::PropertyInfo ReadVolumeTriggerInfo = {
+        "Volume Trigger",
+        "Trigger load volume data files",
+        "If this property is triggered it will call the function to load volume data"
+    };
+}
+
+namespace openspace::dataloader {
+
+Reader::Reader()
+    : PropertyOwner({ "Reader" })
+    , _volumes(VolumesInfo) 
+    , _readVolumeTrigger(ReadVolumeTriggerInfo) 
+{
+    _topDir = ghoul::filesystem::Directory(
+      "${DATA}/.internal",
+      ghoul::filesystem::Directory::RawPath::No
+    );
+
+    _readVolumeTrigger.onChange([this](){
+      loadVolumeDataItems();
+    });
+
+    addProperty(_volumes);
+    addProperty(_readVolumeTrigger);
+}
+
+void Reader::readVolumeDataItems() {
+
+    // Go into data/.internal(
+    ghoul::filesystem::Directory volumeDir(
+        _topDir.path() +
+        ghoul::filesystem::FileSystem::PathSeparator +
+        "CDF" 
+    );
+
+    // Read files
+    std::vector<std::string> files = volumeDir.readFiles(
+      ghoul::filesystem::Directory::Recursive::No,
+      ghoul::filesystem::Directory::Sort::Yes
+    );
+
+    // Print vector
+    for (auto el : files) {
+      LINFO("A file: " + el);
+    }
+
+    // For each folder
+      // Take first part of file name
+      // Add to list
+      // Store a reference somehow if necessary 
+}
+
+}