add more immich control options

src/main.cpp

@@ -19,6 +19,9 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <memory>
+#include <QJsonDocument>
+#include <QJsonObject>
+#include <QJsonArray>
 
 void usage(std::string programName) {
     std::cerr << "Usage: " << programName << " [-t rotation_seconds] [-T transition_seconds] [-h/--overlay-color #rrggbb] [-a aspect('l','p','a', 'm')] [-o background_opacity(0..255)] [-b blur_radius] -p image_folder [-r] [-s] [-S] [-v] [--verbose] [--stretch] [-c config_file_path]" << std::endl;
@@ -243,6 +246,216 @@ void ReloadConfigIfNeeded(AppConfig &appConfig, MainWindow &w, ImageSwitcher *sw
   }
 }
 
+static bool ParseBooleanString(const QString &value, bool &outValue)
+{
+  QString v = value.trimmed().toLower();
+  if (v == "true" || v == "1" || v == "yes" || v == "on")
+  {
+    outValue = true;
+    return true;
+  }
+  if (v == "false" || v == "0" || v == "no" || v == "off")
+  {
+    outValue = false;
+    return true;
+  }
+  return false;
+}
+
+static std::vector<std::string> SplitCsv(const QString &value)
+{
+  std::vector<std::string> output;
+  QStringList parts = value.split(',', Qt::SkipEmptyParts);
+  for (const auto &part : parts)
+  {
+    QString trimmed = part.trimmed();
+    if (!trimmed.isEmpty())
+      output.push_back(trimmed.toStdString());
+  }
+  return output;
+}
+
+static bool ApplyImmichPayload(ImmichConfig &config, const QString &payload)
+{
+  bool changed = false;
+  QString trimmed = payload.trimmed();
+  if (trimmed.isEmpty())
+    return false;
+
+  if (trimmed.startsWith("{"))
+  {
+    QJsonDocument doc = QJsonDocument::fromJson(trimmed.toUtf8());
+    if (!doc.isObject())
+      return false;
+    QJsonObject obj = doc.object();
+
+    if (obj.contains("albumId") && obj["albumId"].isString())
+    {
+      config.albumIds = { obj["albumId"].toString().toStdString() };
+      changed = true;
+    }
+    if (obj.contains("albumIds") && obj["albumIds"].isArray())
+    {
+      config.albumIds.clear();
+      QJsonArray arr = obj["albumIds"].toArray();
+      for (const auto &value : arr)
+      {
+        if (value.isString())
+          config.albumIds.push_back(value.toString().toStdString());
+      }
+      changed = true;
+    }
+    if (obj.contains("personId") && obj["personId"].isString())
+    {
+      config.personIds = { obj["personId"].toString().toStdString() };
+      changed = true;
+    }
+    if (obj.contains("personIds") && obj["personIds"].isArray())
+    {
+      config.personIds.clear();
+      QJsonArray arr = obj["personIds"].toArray();
+      for (const auto &value : arr)
+      {
+        if (value.isString())
+          config.personIds.push_back(value.toString().toStdString());
+      }
+      changed = true;
+    }
+    if (obj.contains("order") && obj["order"].isString())
+    {
+      config.order = obj["order"].toString().toStdString();
+      changed = true;
+    }
+    if (obj.contains("size") && obj["size"].isString())
+    {
+      config.size = obj["size"].toString().toStdString();
+      changed = true;
+    }
+    if (obj.contains("pageSize") && obj["pageSize"].isDouble())
+    {
+      config.pageSize = (int)obj["pageSize"].toDouble();
+      changed = true;
+    }
+    if (obj.contains("maxAssets") && obj["maxAssets"].isDouble())
+    {
+      config.maxAssets = (int)obj["maxAssets"].toDouble();
+      changed = true;
+    }
+    if (obj.contains("includeArchived"))
+    {
+      if (obj["includeArchived"].isBool())
+      {
+        config.includeArchived = obj["includeArchived"].toBool();
+        changed = true;
+      }
+      else if (obj["includeArchived"].isString())
+      {
+        bool parsed = false;
+        bool boolValue = false;
+        parsed = ParseBooleanString(obj["includeArchived"].toString(), boolValue);
+        if (parsed)
+        {
+          config.includeArchived = boolValue;
+          changed = true;
+        }
+      }
+    }
+    if (obj.contains("reset") && obj["reset"].isBool() && obj["reset"].toBool())
+    {
+      config.albumIds.clear();
+      config.personIds.clear();
+      changed = true;
+    }
+    return changed;
+  }
+
+  QString key;
+  QString value;
+  int idx = trimmed.indexOf('=');
+  if (idx < 0)
+    idx = trimmed.indexOf(':');
+  if (idx < 0)
+    idx = trimmed.indexOf(' ');
+
+  if (idx >= 0)
+  {
+    key = trimmed.left(idx).trimmed().toLower();
+    value = trimmed.mid(idx + 1).trimmed();
+  }
+  else
+  {
+    key = trimmed.toLower();
+  }
+
+  if (key == "reset" || key == "clear" || key == "all")
+  {
+    config.albumIds.clear();
+    config.personIds.clear();
+    return true;
+  }
+  if (key == "album" || key == "albumid")
+  {
+    config.albumIds = { value.toStdString() };
+    return true;
+  }
+  if (key == "albums" || key == "albumids")
+  {
+    config.albumIds = SplitCsv(value);
+    return true;
+  }
+  if (key == "person" || key == "personid")
+  {
+    config.personIds = { value.toStdString() };
+    return true;
+  }
+  if (key == "persons" || key == "personids")
+  {
+    config.personIds = SplitCsv(value);
+    return true;
+  }
+  if (key == "order")
+  {
+    config.order = value.toStdString();
+    return true;
+  }
+  if (key == "size")
+  {
+    config.size = value.toStdString();
+    return true;
+  }
+  if (key == "includearchived")
+  {
+    bool boolValue = false;
+    if (ParseBooleanString(value, boolValue))
+    {
+      config.includeArchived = boolValue;
+      return true;
+    }
+  }
+  if (key == "pagesize")
+  {
+    bool ok = false;
+    int parsed = value.toInt(&ok);
+    if (ok)
+    {
+      config.pageSize = parsed;
+      return true;
+    }
+  }
+  if (key == "maxassets")
+  {
+    bool ok = false;
+    int parsed = value.toInt(&ok);
+    if (ok)
+    {
+      config.maxAssets = parsed;
+      return true;
+    }
+  }
+
+  return false;
+}
+
 int main(int argc, char *argv[])
 {
   QApplication a(argc, argv);
@@ -292,6 +505,32 @@ int main(int argc, char *argv[])
       std::unique_ptr<ImageSelector> newSelector = GetSelectorForApp(appConfig);
       switcher.restart(newSelector);
     });
+    QObject::connect(mqttController.get(), &MqttController::immichControl, [&appConfig, &switcher](const QString &payload) {
+      bool updated = false;
+      for (int i = 0; i < appConfig.paths.count(); ++i)
+      {
+        if (!appConfig.paths[i].immich.enabled)
+          continue;
+        ImmichConfig newConfig = appConfig.paths[i].immich;
+        if (ApplyImmichPayload(newConfig, payload))
+        {
+          appConfig.paths[i].immich = newConfig;
+          updated = true;
+        }
+      }
+      if (updated)
+      {
+        Log("MQTT immich update applied.");
+        std::unique_ptr<ImageSelector> newSelector = GetSelectorForApp(appConfig);
+        switcher.setImageSelector(newSelector);
+        if (!switcher.isPaused())
+          switcher.scheduleImageUpdate();
+      }
+      else
+      {
+        Log("MQTT immich update ignored: ", payload.toStdString());
+      }
+    });
     mqttController->start();
   }
   switcher.start();