1 files changed, 46 insertions, 0 deletions
diff --git a/src/archive_parser.cpp b/src/archive_parser.cpp
new file mode 100644
index 0000000..09b8cef
--- /dev/null
+++ b/src/archive_parser.cpp
@@ -0,0 +1,46 @@
+#include "archive_parser.h"
+
+#include <QFile>
+#include <QJsonParseError>
+#include <QDebug>
+
+Archive::Archive(QString outbox_filename, ArchiveType archive_type) :
+    outbox_filename(outbox_filename), archive_type(archive_type) {}
+
+Archive::InitError Archive::init() {
+    QFile outbox_file(outbox_filename);
+
+    if (!outbox_file.open(QIODevice::ReadOnly | QIODevice::Text))
+        return FailedOpeningFile;
+
+    QJsonParseError json_error;
+    QJsonDocument outbox_json_document = QJsonDocument::fromJson(outbox_file.readAll(), &json_error);
+    outbox_file.close();
+
+    if (json_error.error != QJsonParseError::NoError)
+        return JsonParseError;
+    if (outbox_json_document.isEmpty())
+        return JsonEmpty;
+    if (outbox_json_document.isNull())
+        return JsonNull;
+
+    if (outbox_json_document.isObject())
+        outbox_json = new QJsonObject (outbox_json_document.object());
+    else
+        return JsonNotObject;
+
+    // Do some more throughful checks to make sure that the JSON is actually valid.
+    if (not (outbox_json->contains("@context") and outbox_json->value("@context").isString() and
+        (outbox_json->value("@context").toString() == "https://www.w3.org/ns/activitystreams")))
+        return JsonNotActivityStream;
+    if (outbox_json->contains("orderedItems") and outbox_json->value("orderedItems").isArray()) {
+        outbox_items = new QJsonArray(outbox_json->value("orderedItems").toArray()); // we'll need it during Archive's lifetime
+    }
+
+    return NoError;
+}
+
+Archive::~Archive() {
+    delete outbox_json; outbox_json = nullptr;
+    delete outbox_items; outbox_items = nullptr;
+}