Can get the list of conversations

helpers/apihelper.cpp

@@ -59,7 +59,9 @@ void APIHelper::finished()
     APIRequest *request = mRequestsList.findForReply(qobject_cast<QNetworkReply *>(sender()), true);
 
     //Process and return response
-    emit request->success(QJsonDocument::fromJson(request->networkReply()->readAll()));
+    QJsonDocument document = QJsonDocument::fromJson(request->networkReply()->readAll());
+    emit request->success(document);
+    emit request->finished(200, document);
 }
 
 void APIHelper::error()
@@ -72,6 +74,7 @@ void APIHelper::error()
     qWarning("An error occurred in an API request! (code: %d)", response_code);
 
     emit request->error(response_code);
+    emit request->finished(response_code, QJsonDocument());
 }
 
 void APIHelper::sslErrors()

helpers/conversationslisthelper.cpp

@@ -0,0 +1,62 @@
+#include <QJsonArray>
+#include <QJsonObject>
+
+#include "conversationslisthelper.h"
+#include "apihelper.h"
+#include "../data/apirequest.h"
+
+ConversationsListHelper::ConversationsListHelper(QObject *parent) : QObject(parent)
+{
+    mAPIHelper = new APIHelper(this);
+}
+
+void ConversationsListHelper::getList()
+{
+    //We need to perform a request on the server
+    APIRequest *request = new APIRequest(this);
+    request->setURI("conversations/getList");
+    connect(request, &APIRequest::finished, this, &ConversationsListHelper::getConvListCallback);
+    mAPIHelper->execute(request);
+}
+
+void ConversationsListHelper::getConvListCallback(int code, const QJsonDocument &document)
+{
+    //Delete the request
+    qobject_cast<APIRequest *>(sender())->deleteLater();
+
+    if(code != 200){
+        emit onGotList(false, QList<Conversation>());
+        return;
+    }
+
+    //The request successfully completed
+    QJsonArray arr = document.array();
+
+    //Process the list of conversations
+    QList<Conversation> list;
+    for(int i = 0; i < arr.size(); i++)
+        list.append(GetConversationFromJson(arr.at(i).toObject()));
+
+    //Finished
+    emit onGotList(true, list);
+}
+
+Conversation ConversationsListHelper::GetConversationFromJson(const QJsonObject &obj)
+{
+    Conversation conv;
+    conv.setID(obj.value("ID").toInt());
+    conv.setIDowner(obj.value("ID_owner").toInt());
+    conv.setLastActive(obj.value("last_active").toInt());
+    conv.setName(obj.value("name").toString());
+    conv.setFollowing(obj.value("following").toBool());
+    conv.setSawLastMessage(obj.value("saw_last_message").toBool());
+
+    //Process the list of members of the conversation
+    QJsonArray members_arr = obj.value("members").toArray();
+    QList<int> members_list;
+    for(int i = 0; i < members_arr.size(); i++)
+        members_list.append(members_arr.at(i).toInt());
+    conv.setMembers(members_list);
+
+    return conv;
+}

helpers/conversationslisthelper.h

@@ -0,0 +1,67 @@
+/**
+ * Conversations list helper
+ *
+ * Does all the tasks related with conversations managment
+ *
+ * @author Pierre HUBERT
+ */
+
+#ifndef CONVERSATIONSLISTHELPER_H
+#define CONVERSATIONSLISTHELPER_H
+
+#include <QObject>
+
+#include "../data/conversation.h"
+
+class APIHelper;
+class QJsonObject;
+
+class ConversationsListHelper : public QObject
+{
+    Q_OBJECT
+public:
+    explicit ConversationsListHelper(QObject *parent = nullptr);
+
+    /**
+     * Get the list of conversations
+     */
+    void getList();
+
+signals:
+
+    /**
+     * This signal is emitted once we have a got a new list of conversation
+     *
+     * @param success TRUE for a success / FALSE else
+     * @param list The list of conversations
+     */
+    void onGotList(bool success, const QList<Conversation> &list);
+
+public slots:
+
+private slots:
+
+    /**
+     * This slot is triggered once the request to the server was
+     * completed
+     *
+     * @param code Response code from the server
+     * @param document Response document
+     */
+    void getConvListCallback(int code, const QJsonDocument &document);
+
+private:
+
+    /**
+     * Turn a QJsonObject into a Conversation one
+     *
+     * @param obj The object to convert
+     * @return Generated conversation object
+     */
+    static Conversation GetConversationFromJson(const QJsonObject &obj);
+
+    //Private fields
+    APIHelper *mAPIHelper;
+};
+
+#endif // CONVERSATIONSLISTHELPER_H