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.core.event.StrictFilteringActivatedEvent
  23 import net.pterodactylus.sone.core.event.StrictFilteringDeactivatedEvent
  24 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired
  25 import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired.ALWAYS
  26 import net.pterodactylus.sone.fcp.event.FcpInterfaceActivatedEvent
  27 import net.pterodactylus.sone.fcp.event.FcpInterfaceDeactivatedEvent
  28 import net.pterodactylus.sone.fcp.event.FullAccessRequiredChanged
  29 import net.pterodactylus.sone.utils.DefaultOption
  30 import net.pterodactylus.util.config.Configuration
  31 import net.pterodactylus.util.config.ConfigurationException
  32 import java.lang.Integer.MAX_VALUE
  33
  34 /**
  35  * Convenience interface for external classes that want to access the core’s
  36  * configuration.
  37  */
  38 class Preferences(private val eventBus: EventBus) {
  39
  40         private val _insertionDelay = DefaultOption(60) { it in 0..MAX_VALUE }
  41         val insertionDelay: Int get() = _insertionDelay.get()
  42         var newInsertionDelay: Int?
  43                 get() = unsupported
  44                 set(value) {
  45                         _insertionDelay.set(value)
  46                         eventBus.post(InsertionDelayChangedEvent(insertionDelay))
  47                         eventBus.post(PreferenceChangedEvent("InsertionDelay", insertionDelay))
  48                 }
  49
  50         private val _postsPerPage = DefaultOption(10) { it in 1..MAX_VALUE }
  51         val postsPerPage: Int get() = _postsPerPage.get()
  52         var newPostsPerPage: Int?
  53                 get() = unsupported
  54                 set(value) {
  55                         _postsPerPage.set(value)
  56                         eventBus.post(PreferenceChangedEvent("PostsPerPage", postsPerPage))
  57                 }
  58
  59         private val _imagesPerPage = DefaultOption(9) { it in 1..MAX_VALUE }
  60         val imagesPerPage: Int get() = _imagesPerPage.get()
  61         var newImagesPerPage: Int?
  62                 get() = unsupported
  63                 set(value: Int?) = _imagesPerPage.set(value)
  64
  65         private val _charactersPerPost = DefaultOption(400) { it == -1 || it in 50..MAX_VALUE }
  66         val charactersPerPost: Int get() = _charactersPerPost.get()
  67         var newCharactersPerPost: Int?
  68                 get() = unsupported
  69                 set(value) = _charactersPerPost.set(value)
  70
  71         private val _postCutOffLength = DefaultOption(200) { it in 50..MAX_VALUE }
  72         val postCutOffLength: Int get() = _postCutOffLength.get()
  73         var newPostCutOffLength: Int?
  74                 get() = unsupported
  75                 set(value) = _postCutOffLength.set(value)
  76
  77         private val _requireFullAccess = DefaultOption(false)
  78         val requireFullAccess: Boolean get() = _requireFullAccess.get()
  79         var newRequireFullAccess: Boolean?
  80                 get() = unsupported
  81                 set(value) = _requireFullAccess.set(value)
  82
  83         private val _fcpInterfaceActive = DefaultOption(false)
  84         val fcpInterfaceActive: Boolean get() = _fcpInterfaceActive.get()
  85         var newFcpInterfaceActive: Boolean?
  86                 get() = unsupported
  87                 set(value) {
  88                         _fcpInterfaceActive.set(value)
  89                         when (value) {
  90                                 true -> eventBus.post(FcpInterfaceActivatedEvent())
  91                                 else -> eventBus.post(FcpInterfaceDeactivatedEvent())
  92                         }
  93                 }
  94
  95         private val _fcpFullAccessRequired = DefaultOption(ALWAYS)
  96         val fcpFullAccessRequired: FullAccessRequired get() = _fcpFullAccessRequired.get()
  97         var newFcpFullAccessRequired: FullAccessRequired?
  98                 get() = unsupported
  99                 set(value) {
 100                         _fcpFullAccessRequired.set(value)
 101                         eventBus.post(FullAccessRequiredChanged(fcpFullAccessRequired))
 102                 }
 103
 104         private val _strictFiltering = DefaultOption(false)
 105         val strictFiltering: Boolean get() = _strictFiltering.get()
 106         var newStrictFiltering: Boolean? = false
 107                 set(value) {
 108                         _strictFiltering.set(value)
 109                         when (strictFiltering) {
 110                                 true -> eventBus.post(StrictFilteringActivatedEvent())
 111                                 else -> eventBus.post(StrictFilteringDeactivatedEvent())
 112                         }
 113                 }
 114
 115         @Throws(ConfigurationException::class)
 116         fun saveTo(configuration: Configuration) {
 117                 configuration.getIntValue("Option/ConfigurationVersion").value = 0
 118                 configuration.getIntValue("Option/InsertionDelay").value = _insertionDelay.real
 119                 configuration.getIntValue("Option/PostsPerPage").value = _postsPerPage.real
 120                 configuration.getIntValue("Option/ImagesPerPage").value = _imagesPerPage.real
 121                 configuration.getIntValue("Option/CharactersPerPost").value = _charactersPerPost.real
 122                 configuration.getIntValue("Option/PostCutOffLength").value = _postCutOffLength.real
 123                 configuration.getBooleanValue("Option/RequireFullAccess").value = _requireFullAccess.real
 124                 configuration.getBooleanValue("Option/ActivateFcpInterface").value = _fcpInterfaceActive.real
 125                 configuration.getIntValue("Option/FcpFullAccessRequired").value = toInt(_fcpFullAccessRequired.real)
 126                 configuration.getBooleanValue("Option/StrictFiltering").value = _strictFiltering.real
 127         }
 128
 129         private fun toInt(fullAccessRequired: FullAccessRequired?): Int? {
 130                 return fullAccessRequired?.ordinal
 131         }
 132
 133 }
 134
 135 private val unsupported: Nothing get() = throw UnsupportedOperationException()