BayernMessenger/matrix-sdk-android/src/main/java/im/vector/matrix/android/api/pushrules/ContainsDisplayNameConditio...

79 lines
2.8 KiB
Kotlin

/*
* Copyright 2019 New Vector Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package im.vector.matrix.android.api.pushrules
import android.text.TextUtils
import im.vector.matrix.android.api.session.events.model.Event
import im.vector.matrix.android.api.session.events.model.EventType
import im.vector.matrix.android.api.session.events.model.toModel
import im.vector.matrix.android.api.session.room.model.message.MessageContent
import timber.log.Timber
import java.util.regex.Pattern
class ContainsDisplayNameCondition : Condition(Kind.contains_display_name) {
override fun isSatisfied(conditionResolver: ConditionResolver): Boolean {
return conditionResolver.resolveContainsDisplayNameCondition(this)
}
override fun technicalDescription(): String {
return "User is mentioned"
}
fun isSatisfied(event: Event, displayName: String): Boolean {
var message = when (event.type) {
EventType.MESSAGE -> {
event.content.toModel<MessageContent>()
}
//TODO the spec says:
// Matches any message whose content is unencrypted and contains the user's current display name
// EventType.ENCRYPTED -> {
// event.root.getClearContent()?.toModel<MessageContent>()
// }
else -> null
} ?: return false
return caseInsensitiveFind(displayName, message.body)
}
companion object {
/**
* Returns whether a string contains an occurrence of another, as a standalone word, regardless of case.
*
* @param subString the string to search for
* @param longString the string to search in
* @return whether a match was found
*/
fun caseInsensitiveFind(subString: String, longString: String): Boolean {
// add sanity checks
if (TextUtils.isEmpty(subString) || TextUtils.isEmpty(longString)) {
return false
}
var res = false
try {
val pattern = Pattern.compile("(\\W|^)" + Pattern.quote(subString) + "(\\W|$)", Pattern.CASE_INSENSITIVE)
res = pattern.matcher(longString).find()
} catch (e: Exception) {
Timber.e(e, "## caseInsensitiveFind() : failed")
}
return res
}
}
}