src/main/kotlin/net/pterodactylus/rhynodge/filters/webpages/savoy/SavoyTicketsFilter.kt

   1 package net.pterodactylus.rhynodge.filters.webpages.savoy
   2
   3 import net.pterodactylus.rhynodge.Filter
   4 import net.pterodactylus.rhynodge.State
   5 import net.pterodactylus.rhynodge.states.HtmlState
   6 import org.apache.log4j.Logger
   7
   8 /**
   9  * [Filter] implementation that creates a list of movies running at the
  10  * Savoy theatre in Hamburg.
  11  */
  12 class SavoyTicketsFilter : Filter {
  13
  14         override fun filter(state: State) =
  15                 requireNotNull(state as? HtmlState) { "state must be HTML" }
  16                         .document()
  17                         .let(movieExtractor::getMovies)
  18                         .also { logger.debug("Parsed Movies: $it") }
  19                         .let { MovieState(it, emptySet(), false) }
  20
  21 }
  22
  23 private val logger = Logger.getLogger(SavoyTicketsFilter::class.java)
  24 private val movieExtractor = MovieExtractor()