🔀 Merge branch 'release-79'
[Sone.git] / src / main / kotlin / net / pterodactylus / sone / core / Preferences.kt
diff --git a/src/main/kotlin/net/pterodactylus/sone/core/Preferences.kt b/src/main/kotlin/net/pterodactylus/sone/core/Preferences.kt
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+/*
+ * Sone - Preferences.kt - Copyright Â© 2013–2019 David Roden
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+package net.pterodactylus.sone.core
+
+import com.google.common.base.Predicates.*
+import com.google.common.eventbus.*
+import net.pterodactylus.sone.core.event.*
+import net.pterodactylus.sone.fcp.FcpInterface.*
+import net.pterodactylus.sone.fcp.FcpInterface.FullAccessRequired.*
+import net.pterodactylus.sone.fcp.event.*
+import net.pterodactylus.sone.utils.*
+import net.pterodactylus.sone.utils.IntegerRangePredicate.*
+import net.pterodactylus.util.config.*
+import java.lang.Integer.*
+
+/**
+ * Convenience interface for external classes that want to access the core’s
+ * configuration.
+ */
+class Preferences(private val eventBus: EventBus) {
+
+       private val _insertionDelay = DefaultOption(60, range(0, MAX_VALUE))
+       val insertionDelay: Int get() = _insertionDelay.get()
+       var newInsertionDelay: Int?
+               get() = unsupported
+               set(value) {
+                       _insertionDelay.set(value)
+                       eventBus.post(InsertionDelayChangedEvent(insertionDelay))
+                       eventBus.post(PreferenceChangedEvent("InsertionDelay", insertionDelay))
+               }
+
+       private val _postsPerPage = DefaultOption(10, range(1, MAX_VALUE))
+       val postsPerPage: Int get() = _postsPerPage.get()
+       var newPostsPerPage: Int?
+               get() = unsupported
+               set(value) {
+                       _postsPerPage.set(value)
+                       eventBus.post(PreferenceChangedEvent("PostsPerPage", postsPerPage))
+               }
+
+       private val _imagesPerPage = DefaultOption(9, range(1, MAX_VALUE))
+       val imagesPerPage: Int get() = _imagesPerPage.get()
+       var newImagesPerPage: Int?
+               get() = unsupported
+               set (value: Int?) = _imagesPerPage.set(value)
+
+       private val _charactersPerPost = DefaultOption(400, or(range(50, MAX_VALUE), equalTo(-1)))
+       val charactersPerPost: Int get() = _charactersPerPost.get()
+       var newCharactersPerPost: Int?
+               get() = unsupported
+               set(value) = _charactersPerPost.set(value)
+
+       private val _postCutOffLength = DefaultOption(200, range(50, MAX_VALUE))
+       val postCutOffLength: Int get() = _postCutOffLength.get()
+       var newPostCutOffLength: Int?
+               get() = unsupported
+               set(value) = _postCutOffLength.set(value)
+
+       private val _requireFullAccess = DefaultOption(false)
+       val requireFullAccess: Boolean get() = _requireFullAccess.get()
+       var newRequireFullAccess: Boolean?
+               get() = unsupported
+               set(value) = _requireFullAccess.set(value)
+
+       private val _positiveTrust = DefaultOption(75, range(0, 100))
+       val positiveTrust: Int get() = _positiveTrust.get()
+       var newPositiveTrust: Int?
+               get() = unsupported
+               set(value) = _positiveTrust.set(value)
+
+       private val _negativeTrust = DefaultOption(-25, range(-100, 100))
+       val negativeTrust: Int get() = _negativeTrust.get()
+       var newNegativeTrust: Int?
+               get() = unsupported
+               set(value) = _negativeTrust.set(value)
+
+       private val _trustComment = DefaultOption("Set from Sone Web Interface")
+       val trustComment: String get() = _trustComment.get()
+       var newTrustComment: String?
+               get() = unsupported
+               set(value) = _trustComment.set(value)
+
+       private val _fcpInterfaceActive = DefaultOption(false)
+       val fcpInterfaceActive: Boolean get() = _fcpInterfaceActive.get()
+       var newFcpInterfaceActive: Boolean?
+               get() = unsupported
+               set(value) {
+                       _fcpInterfaceActive.set(value)
+                       when (value) {
+                               true -> eventBus.post(FcpInterfaceActivatedEvent())
+                               else -> eventBus.post(FcpInterfaceDeactivatedEvent())
+                       }
+               }
+
+       private val _fcpFullAccessRequired = DefaultOption(ALWAYS)
+       val fcpFullAccessRequired: FullAccessRequired get() = _fcpFullAccessRequired.get()
+       var newFcpFullAccessRequired: FullAccessRequired?
+               get() = unsupported
+               set(value) {
+                       _fcpFullAccessRequired.set(value)
+                       eventBus.post(FullAccessRequiredChanged(fcpFullAccessRequired))
+               }
+
+       @Throws(ConfigurationException::class)
+       fun saveTo(configuration: Configuration) {
+               configuration.getIntValue("Option/ConfigurationVersion").value = 0
+               configuration.getIntValue("Option/InsertionDelay").value = _insertionDelay.real
+               configuration.getIntValue("Option/PostsPerPage").value = _postsPerPage.real
+               configuration.getIntValue("Option/ImagesPerPage").value = _imagesPerPage.real
+               configuration.getIntValue("Option/CharactersPerPost").value = _charactersPerPost.real
+               configuration.getIntValue("Option/PostCutOffLength").value = _postCutOffLength.real
+               configuration.getBooleanValue("Option/RequireFullAccess").value = _requireFullAccess.real
+               configuration.getIntValue("Option/PositiveTrust").value = _positiveTrust.real
+               configuration.getIntValue("Option/NegativeTrust").value = _negativeTrust.real
+               configuration.getStringValue("Option/TrustComment").value = _trustComment.real
+               configuration.getBooleanValue("Option/ActivateFcpInterface").value = _fcpInterfaceActive.real
+               configuration.getIntValue("Option/FcpFullAccessRequired").value = toInt(_fcpFullAccessRequired.real)
+       }
+
+       private fun toInt(fullAccessRequired: FullAccessRequired?): Int? {
+               return fullAccessRequired?.ordinal
+       }
+
+}
+
+private val unsupported: Nothing get() = throw UnsupportedOperationException()