started implementation of CLI

cli/mainfeatures.cpp

@@ -1,11 +1,122 @@
 #include "mainfeatures.h"
 
+#include "network/download.h"
+#include "network/httpdownload.h"
+#include "network/youtubedownload.h"
+#include "network/groovesharkdownload.h"
+
+#include <c++utilities/conversion/stringconversion.h>
+#include <c++utilities/application/argumentparser.h>
+#include <c++utilities/application/commandlineutils.h>
+
+#include <QCoreApplication>
+
+#include <iostream>
+
+using namespace std;
+using namespace std::placeholders;
+using namespace ApplicationUtilities;
+using namespace ConversionUtilities;
+using namespace Network;
+
 namespace Cli {
 
-mainfeatures::mainfeatures()
+void download(int argc, char *argv[], const StringVector &parameterValues, const Argument &noConfirmArg)
 {
-
+    // init Qt
+    QCoreApplication app(argc, argv);
+    QObject rootObj;
+    // instantiate downloads
+    QList<Download *> downloads;
+    downloads.reserve(parameterValues.size());
+    QVariant currentTargetDirectory;
+    QVariant currentTargetName;
+    enum {
+        Auto, HttpUrl, YoutubeUrl, YoutubeId, GroovesharkId
+    } currentDownloadType = Auto;
+    size_t specifiedDownloads = 0;
+    for(const auto &val  : parameterValues) {
+        // check whether value denotes target directory or download type
+        auto parts = splitString<vector<string> >(val, "=", EmptyPartsTreat::Keep, 2);
+        if(parts.size() >= 2) {
+            if(parts.front() == "type") {
+                // value denotes download type
+                if(parts.back() == "http") {
+                    currentDownloadType = HttpUrl;
+                } else if(parts.back() == "youtubeurl") {
+                    currentDownloadType = YoutubeUrl;
+                } else if(parts.back() == "youtubeid") {
+                    currentDownloadType = YoutubeId;
+                } else if(parts.back() == "groovesharkid") {
+                    currentDownloadType = GroovesharkId;
+                } else {
+                    currentDownloadType = Auto;
+                    if(parts.back() != "auto") {
+                        cout << "Specified type \"" << parts.back() << "\" is invalid; using auto-detection." << endl;
+                    }
+                }
+                continue;
+            } else if(parts.front() == "targetdir") {
+                currentTargetDirectory = QString::fromStdString(parts.back());
+                continue;
+            } else if(parts.front() == "targetname") {
+                currentTargetName = QString::fromStdString(parts.back());
+                continue;
+            }
+        }
+        // do actual instantiation of new download object
+        Download *download;
+        QString qstrVal = QString::fromStdString(val);
+        switch(currentDownloadType) {
+        case HttpUrl:
+            download = new HttpDownload(QUrl(qstrVal));
+            break;
+        case YoutubeUrl:
+            download = new YoutubeDownload(QUrl(qstrVal));
+            break;
+        case YoutubeId:
+            download = new YoutubeDownload(qstrVal);
+            break;
+        case GroovesharkId:
+            download = new GroovesharkDownload(qstrVal);
+            break;
+        default:
+            download = Download::fromUrl(qstrVal);
+            break;
+        }
+        // set properties of download accordingly current configuration
+        if(download) {
+            download->setParent(&rootObj);
+            if(!currentTargetDirectory.isNull()) {
+                download->setProperty("targetdir", currentTargetDirectory);
+            }
+            if(!currentTargetName.isNull()) {
+                download->setProperty("targetname", currentTargetName);
+                currentTargetName.clear();
+            }
+            downloads << download;
+            cout << "Specified URL \"" << val << "\" has been added as " << download->typeName().toStdString() << " download." << endl;
+        } else {
+            cout << "Specified URL \"" << val << "\" can not be added." << endl;
+        }
+        ++specifiedDownloads;
+    }
+    // check whether downloads could be instantiated, print appropiate error messages if not
+    if(!specifiedDownloads) {
+        cout << "No downloads have been specified." << endl;
+    } else if(downloads.isEmpty()) {
+        cout << "None of the specified downloads could be added." << endl;
+    } else {
+        // ask the user to continue
+        if(!noConfirmArg.isPresent() && !confirmPrompt("Do you want to start these downloads?", Response::Yes)) {
+            return;
+        }
+        cout << "Starting downloads ..." << endl;
+        //for(Download *download : downloads) {
+        //    download->init();
+        //}
+        cout << "TODO" << endl;
+    }
 }
 
-} // namespace Cli
-
+}