src/main/kotlin/net/pterodactylus/sone/core/Preferences.kt

   1 /*
   2  * Sone - Preferences.kt - Copyright © 2013–2020 David Roden
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU General Public License as published by
   6  * the Free Software Foundation, either version 3 of the License, or
   7  * (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17
  18 package net.pterodactylus.sone.core
  19
  20 import com.google.common.eventbus.EventBus
  21 import net.pterodactylus.sone.core.event.InsertionDelayChangedEvent
  22 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired
  23 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired.ALWAYS
  24 import net.pterodactylus.sone.fcp.event.FcpInterfaceActivatedEvent
  25 import net.pterodactylus.sone.fcp.event.FcpInterfaceDeactivatedEvent
  26 import net.pterodactylus.sone.fcp.event.FullAccessRequiredChanged
  27 import net.pterodactylus.sone.utils.DefaultOption
  28 import net.pterodactylus.util.config.Configuration
  29 import net.pterodactylus.util.config.ConfigurationException
  30 import java.lang.Integer.MAX_VALUE
  31
  32 /**
  33  * Convenience interface for external classes that want to access the core’s
  34  * configuration.
  35  */
  36 class Preferences(private val eventBus: EventBus) {
  37
  38         private val _insertionDelay = DefaultOption(60) { it in 0..MAX_VALUE }
  39         val insertionDelay: Int get() = _insertionDelay.get()
  40         var newInsertionDelay: Int?
  41                 get() = unsupported
  42                 set(value) {
  43                         _insertionDelay.set(value)
  44                         eventBus.post(InsertionDelayChangedEvent(insertionDelay))
  45                         eventBus.post(PreferenceChangedEvent("InsertionDelay", insertionDelay))
  46                 }
  47
  48         private val _postsPerPage = DefaultOption(10) { it in 1..MAX_VALUE }
  49         val postsPerPage: Int get() = _postsPerPage.get()
  50         var newPostsPerPage: Int?
  51                 get() = unsupported
  52                 set(value) {
  53                         _postsPerPage.set(value)
  54                         eventBus.post(PreferenceChangedEvent("PostsPerPage", postsPerPage))
  55                 }
  56
  57         private val _imagesPerPage = DefaultOption(9) { it in 1..MAX_VALUE }
  58         val imagesPerPage: Int get() = _imagesPerPage.get()
  59         var newImagesPerPage: Int?
  60                 get() = unsupported
  61                 set(value: Int?) = _imagesPerPage.set(value)
  62
  63         private val _charactersPerPost = DefaultOption(400) { it == -1 || it in 50..MAX_VALUE }
  64         val charactersPerPost: Int get() = _charactersPerPost.get()
  65         var newCharactersPerPost: Int?
  66                 get() = unsupported
  67                 set(value) = _charactersPerPost.set(value)
  68
  69         private val _postCutOffLength = DefaultOption(200) { it in 50..MAX_VALUE }
  70         val postCutOffLength: Int get() = _postCutOffLength.get()
  71         var newPostCutOffLength: Int?
  72                 get() = unsupported
  73                 set(value) = _postCutOffLength.set(value)
  74
  75         private val _requireFullAccess = DefaultOption(false)
  76         val requireFullAccess: Boolean get() = _requireFullAccess.get()
  77         var newRequireFullAccess: Boolean?
  78                 get() = unsupported
  79                 set(value) = _requireFullAccess.set(value)
  80
  81         private val _fcpInterfaceActive = DefaultOption(false)
  82         val fcpInterfaceActive: Boolean get() = _fcpInterfaceActive.get()
  83         var newFcpInterfaceActive: Boolean?
  84                 get() = unsupported
  85                 set(value) {
  86                         _fcpInterfaceActive.set(value)
  87                         when (value) {
  88                                 true -> eventBus.post(FcpInterfaceActivatedEvent())
  89                                 else -> eventBus.post(FcpInterfaceDeactivatedEvent())
  90                         }
  91                 }
  92
  93         private val _fcpFullAccessRequired = DefaultOption(ALWAYS)
  94         val fcpFullAccessRequired: FullAccessRequired get() = _fcpFullAccessRequired.get()
  95         var newFcpFullAccessRequired: FullAccessRequired?
  96                 get() = unsupported
  97                 set(value) {
  98                         _fcpFullAccessRequired.set(value)
  99                         eventBus.post(FullAccessRequiredChanged(fcpFullAccessRequired))
 100                 }
 101
 102         @Throws(ConfigurationException::class)
 103         fun saveTo(configuration: Configuration) {
 104                 configuration.getIntValue("Option/ConfigurationVersion").value = 0
 105                 configuration.getIntValue("Option/InsertionDelay").value = _insertionDelay.real
 106                 configuration.getIntValue("Option/PostsPerPage").value = _postsPerPage.real
 107                 configuration.getIntValue("Option/ImagesPerPage").value = _imagesPerPage.real
 108                 configuration.getIntValue("Option/CharactersPerPost").value = _charactersPerPost.real
 109                 configuration.getIntValue("Option/PostCutOffLength").value = _postCutOffLength.real
 110                 configuration.getBooleanValue("Option/RequireFullAccess").value = _requireFullAccess.real
 111                 configuration.getBooleanValue("Option/ActivateFcpInterface").value = _fcpInterfaceActive.real
 112                 configuration.getIntValue("Option/FcpFullAccessRequired").value = toInt(_fcpFullAccessRequired.real)
 113         }
 114
 115         private fun toInt(fullAccessRequired: FullAccessRequired?): Int? {
 116                 return fullAccessRequired?.ordinal
 117         }
 118
 119 }
 120
 121 private val unsupported: Nothing get() = throw UnsupportedOperationException()