SDK: add ChatHandler options

- fix classes names to capitalize
- add set -e to bash scripts
- code cleanup

Change-Id: Icc5c096afac62b7fe88f15496b15c4bfb45a9b0d
GitLab: #5
diff --git a/AudioFilter/FilterMediaHandler.cpp b/AudioFilter/FilterMediaHandler.cpp
new file mode 100644
index 0000000..0c85734
--- /dev/null
+++ b/AudioFilter/FilterMediaHandler.cpp
@@ -0,0 +1,116 @@
+/**
+ *  Copyright (C) 2020 Savoir-faire Linux Inc.
+ *
+ *  Author: Aline Gondim Santos <aline.gondimsantos@savoirfairelinux.com>
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with this program; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301 USA.
+ */
+
+#include "FilterMediaHandler.h"
+
+#include "pluglog.h"
+#include <string_view>
+
+const char sep = separator();
+const std::string TAG = "filter";
+
+#define NAME "filter"
+
+namespace jami {
+
+FilterMediaHandler::FilterMediaHandler(std::map<std::string, std::string>&& preferences,
+                                       std::string&& datapath)
+    : datapath_ {datapath}
+    , preferences_ {preferences}
+{
+    setId(datapath_);
+    auto it = preferences_.find("irFile");
+    if (it != preferences_.end())
+        mAS = std::make_shared<FilterAudioSubscriber>(datapath_, it->second);
+}
+
+void
+FilterMediaHandler::notifyAVFrameSubject(const StreamData& data, jami::avSubjectPtr subject)
+{
+    if (!mAS)
+        return;
+    std::ostringstream oss;
+    std::string_view direction = data.direction ? "Receive" : "Preview";
+    oss << "NEW SUBJECT: [" << data.id << "," << direction << "]" << std::endl;
+    bool preferredStreamDirection = false; // false for output; true for input
+    auto it = preferences_.find("streamlist");
+    if (it != preferences_.end()) {
+        preferredStreamDirection = it->second == "in";
+    }
+    oss << "preferredStreamDirection " << preferredStreamDirection << std::endl;
+    if (data.type == StreamType::audio && !data.direction
+        && data.direction == preferredStreamDirection) {
+        subject->attach(mAS.get()); // your image
+        oss << "got my sent audio attached" << std::endl;
+        attached_ = '1';
+    } else if (data.type == StreamType::audio && data.direction
+               && data.direction == preferredStreamDirection) {
+        subject->attach(mAS.get()); // the image you receive from others on the call
+        oss << "got received audio attached" << std::endl;
+        attached_ = '1';
+    }
+
+    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
+}
+
+std::map<std::string, std::string>
+FilterMediaHandler::getCallMediaHandlerDetails()
+{
+    return {{"name", NAME},
+            {"iconPath", datapath_ + sep + "icon.png"},
+            {"pluginId", id()},
+            {"attached", attached_},
+            {"dataType", "0"}};
+}
+
+void
+FilterMediaHandler::setPreferenceAttribute(const std::string& key, const std::string& value)
+{
+    auto it = preferences_.find(key);
+    if (it != preferences_.end() && it->second != value) {
+        it->second = value;
+        if (key == "irFile")
+            mAS->setIRFile(value);
+    }
+}
+
+bool
+FilterMediaHandler::preferenceMapHasKey(const std::string& key)
+{
+    if (key == "irFile")
+        return true;
+    return false;
+}
+
+void
+FilterMediaHandler::detach()
+{
+    attached_ = '0';
+    mAS->detach();
+}
+
+FilterMediaHandler::~FilterMediaHandler()
+{
+    std::ostringstream oss;
+    oss << " ~FilterMediaHandler from AudioFilter Plugin" << std::endl;
+    Plog::log(Plog::LogPriority::INFO, TAG, oss.str());
+    detach();
+}
+} // namespace jami