override def isPluginInstalled()

in ideaSupport/src/main/scala/org/jetbrains/sbtidea/download/plugin/LocalPluginRegistry.scala [53:77]

• 25 lines of code
• 9 McCabe index (conditional complexity)

  override def isPluginInstalled(ideaPlugin: IntellijPlugin): Boolean = {
    val existsInIndex = ideaPlugin match {
      case IntellijPlugin.Id(id,  _, _, _) =>
        index.contains(id)
      case IntellijPlugin.IdWithDownloadUrl(id, _) =>
        index.contains(id)
      case IntellijPlugin.BundledFolder(name) => getDescriptorFromPluginFolder(name) match {
        case Right(descriptor) =>
          if (!index.contains(descriptor.id)) {
            log.warn(s"Bundled plugin folder - '$name(${descriptor.id})' exists but not in index: corrupt index file?")
          }
          true
        case Left(_)  =>
          false
      }
    }
    if (existsInIndex) {
      val path = getInstalledPluginRoot(ideaPlugin)
      if (!path.exists) {
        log.warn(s"Plugin was registered in index but plugin installation directory does not exist: $path")
      }
      path.exists
    }
    else false
  }