Implement Trends API

bigbone-rx/src/main/kotlin/social/bigbone/rx/RxTrendMethods.kt

@@ -0,0 +1,63 @@
+package social.bigbone.rx
+
+import io.reactivex.rxjava3.core.Single
+import social.bigbone.MastodonClient
+import social.bigbone.api.entity.Status
+import social.bigbone.api.entity.Tag
+import social.bigbone.api.entity.TrendsLink
+import social.bigbone.api.method.TrendMethods
+
+/**
+ * Reactive implementation of [TrendMethods].
+ *
+ * View trending tags, statuses, or links, i.e. those that are currently being used more frequently than usual.
+ * @see <a href="https://docs.joinmastodon.org/methods/trends/">Mastodon trends API methods</a>
+ */
+class RxTrendMethods(client: MastodonClient) {
+
+    private val trendMethods = TrendMethods(client)
+
+    /**
+     * Tags that are being used more frequently within the past week.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 10 tags. Max 20 tags.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#tags">Mastodon API documentation: methods/trends/#tags</a>
+     */
+    @JvmOverloads
+    fun getTrendingTags(
+        offset: Int? = null,
+        limit: Int = 10
+    ): Single<List<Tag>> = Single.fromCallable {
+        trendMethods.getTrendingTags(offset, limit).execute()
+    }
+
+    /**
+     * Statuses that have been interacted with more than others.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 20 statuses. Max 40 statuses.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#statuses">Mastodon API documentation: methods/trends/#statuses</a>
+     */
+    fun getTrendingStatuses(
+        offset: Int? = null,
+        limit: Int = 20
+    ): Single<List<Status>> = Single.fromCallable {
+        trendMethods.getTrendingStatuses(offset, limit).execute()
+    }
+
+    /**
+     * Links that have been shared more than others.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 10 links. Max 20 links.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#links">Mastodon API documentation: methods/trends/#links</a>
+     */
+    @JvmOverloads
+    fun getTrendingLinks(
+        offset: Int? = null,
+        limit: Int = 10
+    ): Single<List<TrendsLink>> = Single.fromCallable {
+        trendMethods.getTrendingLinks(offset, limit).execute()
+    }
+}

bigbone/src/main/kotlin/social/bigbone/MastodonClient.kt

@@ -48,6 +48,7 @@ import social.bigbone.api.method.StreamingMethods
 import social.bigbone.api.method.SuggestionMethods
 import social.bigbone.api.method.TagMethods
 import social.bigbone.api.method.TimelineMethods
+import social.bigbone.api.method.TrendMethods
 import social.bigbone.api.method.admin.AdminDimensionMethods
 import social.bigbone.api.method.admin.AdminMeasureMethods
 import social.bigbone.api.method.admin.AdminRetentionMethods
@@ -336,6 +337,13 @@ private constructor(
     @get:JvmName("timelines")
     val timelines: TimelineMethods by lazy { TimelineMethods(this) }
 
+    /**
+     * Access API methods under the "trends" endpoint.
+     */
+    @Suppress("unused") // public API
+    @get:JvmName("trends")
+    val trends: TrendMethods by lazy { TrendMethods(this) }
+
     /**
      * Specifies the HTTP methods / HTTP verb that can be used by this class.
      */

bigbone/src/main/kotlin/social/bigbone/api/entity/TrendsLink.kt

@@ -0,0 +1,106 @@
+package social.bigbone.api.entity
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import social.bigbone.api.entity.PreviewCard.CardType
+import social.bigbone.api.entity.data.History
+
+/**
+ * Represents a rich preview card that is generated using OpenGraph tags from a URL.
+ * @see <a href="https://docs.joinmastodon.org/entities/PreviewCard/#trends-link">Mastodon API PreviewCard/Trends::Link</a>
+ */
+@Serializable
+data class TrendsLink(
+    /**
+     * Location of linked resource.
+     */
+    @SerialName("url")
+    val url: String? = null,
+
+    /**
+     * Title of linked resource.
+     */
+    @SerialName("title")
+    val title: String? = null,
+
+    /**
+     * Description of preview.
+     */
+    @SerialName("description")
+    val description: String? = null,
+
+    /**
+     * The type of the preview card.
+     * @see CardType
+     */
+    @SerialName("type")
+    val type: CardType = CardType.LINK,
+
+    /**
+     * The author of the original resource.
+     */
+    @SerialName("author_name")
+    val authorName: String? = null,
+
+    /**
+     * A link to the author of the original resource.
+     */
+    @SerialName("author_url")
+    val authorUrl: String? = null,
+
+    /**
+     * The provider of the original resource.
+     */
+    @SerialName("provider_name")
+    val providerName: String? = null,
+
+    /**
+     * A link to the provider of the original resource.
+     */
+    @SerialName("provider_url")
+    val providerUrl: String? = null,
+
+    /**
+     * HTML to be used for generating the preview card.
+     */
+    @SerialName("html")
+    val html: String? = null,
+
+    /**
+     * Width of preview, in pixels.
+     */
+    @SerialName("width")
+    val width: Int? = null,
+
+    /**
+     * Height of preview, in pixels.
+     */
+    @SerialName("height")
+    val height: Int? = null,
+
+    /**
+     * Preview thumbnail.
+     */
+    @SerialName("image")
+    val image: String? = null,
+
+    /**
+     * Used for photo embeds, instead of custom html.
+     */
+    @SerialName("embed_url")
+    val embedUrl: String? = null,
+
+    /**
+     * A hash computed by the BlurHash algorithm,
+     * for generating colorful preview thumbnails
+     * when media has not been downloaded yet.
+     */
+    @SerialName("blurhash")
+    val blurhash: String? = null,
+
+    /**
+     * Usage statistics for given days (typically the past week).
+     */
+    @SerialName("history")
+    val history: List<History>? = null
+)

bigbone/src/main/kotlin/social/bigbone/api/entity/data/History.kt

@@ -6,6 +6,7 @@ import kotlinx.serialization.Serializable
 /**
  * Usage statistics for given days (typically the past week).
  * @see <a href="https://docs.joinmastodon.org/entities/Tag/#history">Mastodon API Tag history</a>
+ * @see <a href="https://docs.joinmastodon.org/entities/PreviewCard/#history">Mastodon API PreviewCard history
  */
 @Serializable
 data class History(
@@ -17,13 +18,15 @@ data class History(
     val day: String = "",
 
     /**
-     * The counted usage of the tag within that day, string cast from integer.
+     * The counted statuses or usages of the tag within that day.
+     * String cast from integer.
      */
     @SerialName("uses")
     val uses: String = "",
 
     /**
-     * The total of accounts using the tag within that day, string cast from integer.
+     * The total of accounts using the tag or link within that day.
+     * String cast from integer.
      */
     @SerialName("accounts")
     val accounts: String = ""

bigbone/src/main/kotlin/social/bigbone/api/method/TrendMethods.kt

@@ -0,0 +1,82 @@
+package social.bigbone.api.method
+
+import social.bigbone.MastodonClient
+import social.bigbone.MastodonRequest
+import social.bigbone.Parameters
+import social.bigbone.api.entity.Status
+import social.bigbone.api.entity.Tag
+import social.bigbone.api.entity.TrendsLink
+
+/**
+ * View trending tags, statuses, or links, i.e. those that are currently being used more frequently than usual.
+ * @see <a href="https://docs.joinmastodon.org/methods/trends/">Mastodon trends API methods</a>
+ */
+class TrendMethods(private val client: MastodonClient) {
+
+    private val trendsEndpoint = "api/v1/trends"
+
+    /**
+     * Tags that are being used more frequently within the past week.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 10 tags. Max 20 tags.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#tags">Mastodon API documentation: methods/trends/#tags</a>
+     */
+    @JvmOverloads
+    fun getTrendingTags(
+        offset: Int? = null,
+        limit: Int = 10
+    ): MastodonRequest<List<Tag>> {
+        return client.getMastodonRequestForList(
+            endpoint = "$trendsEndpoint/tags",
+            method = MastodonClient.Method.GET,
+            parameters = Parameters().apply {
+                append("limit", limit)
+                offset?.let { append("offset", offset) }
+            }
+        )
+    }
+
+    /**
+     * Statuses that have been interacted with more than others.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 20 statuses. Max 40 statuses.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#statuses">Mastodon API documentation: methods/trends/#statuses</a>
+     */
+    fun getTrendingStatuses(
+        offset: Int? = null,
+        limit: Int = 20
+    ): MastodonRequest<List<Status>> {
+        return client.getMastodonRequestForList(
+            endpoint = "$trendsEndpoint/statuses",
+            method = MastodonClient.Method.GET,
+            parameters = Parameters().apply {
+                append("limit", limit)
+                offset?.let { append("offset", offset) }
+            }
+        )
+    }
+
+    /**
+     * Links that have been shared more than others.
+     *
+     * @param offset Skip the first n results.
+     * @param limit Maximum number of results to return. Defaults to 10 links. Max 20 links.
+     * @see <a href="https://docs.joinmastodon.org/methods/trends/#links">Mastodon API documentation: methods/trends/#links</a>
+     */
+    @JvmOverloads
+    fun getTrendingLinks(
+        offset: Int? = null,
+        limit: Int = 10
+    ): MastodonRequest<List<TrendsLink>> {
+        return client.getMastodonRequestForList(
+            endpoint = "$trendsEndpoint/links",
+            method = MastodonClient.Method.GET,
+            parameters = Parameters().apply {
+                append("limit", limit)
+                offset?.let { append("offset", offset) }
+            }
+        )
+    }
+}

bigbone/src/test/assets/trends_view_trending_links_success.json

@@ -0,0 +1,55 @@
+[
+  {
+    "url": "https://www.nbcnews.com/specials/plan-your-vote-2022-elections/index.html",
+    "title": "Plan Your Vote: 2022 Elections",
+    "description": "Everything you need to know about the voting rules where you live, including registration, mail-in voting, changes since 2020, and more.",
+    "type": "link",
+    "author_name": "NBC News",
+    "author_url": "",
+    "provider_name": "NBC News",
+    "provider_url": "",
+    "html": "",
+    "width": 400,
+    "height": 225,
+    "image": "https://files.mastodon.social/cache/preview_cards/images/045/027/478/original/0783d5e91a14fd49.jpeg",
+    "embed_url": "",
+    "blurhash": "UcQmF#ay~qofj[WBj[j[~qof9Fayofofayay",
+    "history": [
+      {
+        "day": "1661817600",
+        "accounts": "7",
+        "uses": "7"
+      },
+      {
+        "day": "1661731200",
+        "accounts": "23",
+        "uses": "23"
+      },
+      {
+        "day": "1661644800",
+        "accounts": "0",
+        "uses": "0"
+      },
+      {
+        "day": "1661558400",
+        "accounts": "0",
+        "uses": "0"
+      },
+      {
+        "day": "1661472000",
+        "accounts": "0",
+        "uses": "0"
+      },
+      {
+        "day": "1661385600",
+        "accounts": "0",
+        "uses": "0"
+      },
+      {
+        "day": "1661299200",
+        "accounts": "0",
+        "uses": "0"
+      }
+    ]
+  }
+]

bigbone/src/test/assets/trends_view_trending_statuses_success.json

@@ -0,0 +1,10 @@
+[
+  {
+    "id": "108910940413327534",
+    "created_at": "2022-08-30T08:44:26.366Z",
+    "in_reply_to_id": null,
+    "in_reply_to_account_id": null,
+    "sensitive": false,
+    "content": "<p>In order to prevent such incidents from happening in the future, we are implementing a fixed set of internal guidelines which must be met before any media content can be shared on our social media platforms. The distribution of material which promotes a message of racism or sexism is unacceptable. We can do better and in the future we will do better.</p><p>We apologize again for this incident and can assure you that it will not happen again.</p><p>Your Tutanota Team</p>"
+  }
+]