use custom JsonAdapter to be compatible with instances that have a custom subscribing feature (#2298)
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Konrad Pozniak
GitHub
parent
1586817c3d
commit
2fd01f7e2d
3 changed files with 170 additions and 1 deletions
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@ -15,7 +15,9 @@
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package com.keylesspalace.tusky.entity
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import com.google.gson.annotations.JsonAdapter
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import com.google.gson.annotations.SerializedName
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import com.keylesspalace.tusky.json.GuardedBooleanAdapter
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data class Relationship(
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val id: String,
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@ -26,7 +28,11 @@ data class Relationship(
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@SerializedName("muting_notifications") val mutingNotifications: Boolean,
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val requested: Boolean,
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@SerializedName("showing_reblogs") val showingReblogs: Boolean,
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val subscribing: Boolean? = null, // Pleroma extension
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/* Pleroma extension, same as 'notifying' on Mastodon.
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* Some instances like qoto.org have a custom subscription feature where 'subscribing' is a json object,
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* so we use the custom GuardedBooleanAdapter to ignore the field if it is not a boolean.
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*/
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@JsonAdapter(GuardedBooleanAdapter::class) val subscribing: Boolean? = null,
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@SerializedName("domain_blocking") val blockingDomain: Boolean,
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val note: String?, // nullable for backward compatibility / feature detection
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val notifying: Boolean? // since 3.3.0rc
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@ -0,0 +1,33 @@
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/* Copyright 2022 Tusky Contributors
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*
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* This file is a part of Tusky.
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*
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* This program is free software; you can redistribute it and/or modify it under the terms of the
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* GNU General Public License as published by the Free Software Foundation; either version 3 of the
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* License, or (at your option) any later version.
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*
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* Tusky is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even
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* the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
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* Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with Tusky; if not,
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* see <http://www.gnu.org/licenses>. */
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package com.keylesspalace.tusky.json
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import com.google.gson.JsonDeserializationContext
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import com.google.gson.JsonDeserializer
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import com.google.gson.JsonElement
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import com.google.gson.JsonParseException
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import java.lang.reflect.Type
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class GuardedBooleanAdapter : JsonDeserializer<Boolean?> {
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@Throws(JsonParseException::class)
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override fun deserialize(json: JsonElement, typeOfT: Type, context: JsonDeserializationContext): Boolean? {
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return if (json.isJsonObject) {
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null
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} else {
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json.asBoolean
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}
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}
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}
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@ -0,0 +1,130 @@
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package com.keylesspalace.tusky.json
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import com.google.gson.Gson
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import com.keylesspalace.tusky.entity.Relationship
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import org.junit.Assert.assertEquals
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import org.junit.Test
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class GuardedBooleanAdapterTest {
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private val gson = Gson()
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@Test
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fun `should deserialize Relationship when attribute 'subscribing' is a boolean`() {
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val jsonInput = """
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{
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"id": "1",
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"following": true,
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"showing_reblogs": true,
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"notifying": false,
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"followed_by": true,
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"blocking": false,
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"blocked_by": false,
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"muting": false,
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"muting_notifications": false,
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"requested": false,
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"domain_blocking": false,
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"endorsed": false,
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"note": "Hi",
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"subscribing": true
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}
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""".trimIndent()
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assertEquals(
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Relationship(
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id = "1",
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following = true,
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followedBy = true,
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blocking = false,
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muting = false,
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mutingNotifications = false,
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requested = false,
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showingReblogs = true,
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subscribing = true,
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blockingDomain = false,
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note = "Hi",
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notifying = false
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),
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gson.fromJson(jsonInput, Relationship::class.java)
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)
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}
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@Test
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fun `should deserialize Relationship when attribute 'subscribing' is an object`() {
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val jsonInput = """
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{
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"id": "2",
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"following": true,
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"showing_reblogs": true,
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"notifying": false,
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"followed_by": true,
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"blocking": false,
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"blocked_by": false,
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"muting": false,
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"muting_notifications": false,
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"requested": false,
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"domain_blocking": false,
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"endorsed": false,
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"note": "Hi",
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"subscribing": { }
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}
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""".trimIndent()
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assertEquals(
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Relationship(
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id = "2",
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following = true,
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followedBy = true,
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blocking = false,
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muting = false,
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mutingNotifications = false,
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requested = false,
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showingReblogs = true,
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subscribing = null,
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blockingDomain = false,
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note = "Hi",
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notifying = false
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),
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gson.fromJson(jsonInput, Relationship::class.java)
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)
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}
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@Test
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fun `should deserialize Relationship when attribute 'subscribing' does not exist`() {
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val jsonInput = """
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{
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"id": "3",
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"following": true,
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"showing_reblogs": true,
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"notifying": false,
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"followed_by": true,
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"blocking": false,
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"blocked_by": false,
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"muting": false,
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"muting_notifications": false,
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"requested": false,
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"domain_blocking": false,
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"endorsed": false,
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"note": "Hi"
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}
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""".trimIndent()
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assertEquals(
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Relationship(
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id = "3",
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following = true,
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followedBy = true,
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blocking = false,
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muting = false,
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mutingNotifications = false,
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requested = false,
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showingReblogs = true,
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subscribing = null,
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blockingDomain = false,
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note = "Hi",
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notifying = false
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),
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gson.fromJson(jsonInput, Relationship::class.java)
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)
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}
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}
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