Support showing content ratings for TmdbProvider

app/src/main/java/com/lagradost/cloudstream3/MainAPI.kt

@@ -1193,6 +1193,7 @@ interface LoadResponse {
     var syncData: MutableMap<String, String>
     var posterHeaders: Map<String, String>?
     var backgroundPosterUrl: String?
+    var contentRating: String?
 
     companion object {
         private val malIdPrefix = malApi.idPrefix
@@ -1490,6 +1491,7 @@ data class TorrentLoadResponse(
     override var syncData: MutableMap<String, String> = mutableMapOf(),
     override var posterHeaders: Map<String, String>? = null,
     override var backgroundPosterUrl: String? = null,
+    override var contentRating: String? = null,
 ) : LoadResponse
 
 data class AnimeLoadResponse(
@@ -1521,6 +1523,7 @@ data class AnimeLoadResponse(
     override var nextAiring: NextAiring? = null,
     override var seasonNames: List<SeasonData>? = null,
     override var backgroundPosterUrl: String? = null,
+    override var contentRating: String? = null,
 ) : LoadResponse, EpisodeResponse {
     override fun getLatestEpisodes(): Map<DubStatus, Int?> {
         return episodes.map { (status, episodes) ->
@@ -1583,6 +1586,7 @@ data class LiveStreamLoadResponse(
     override var syncData: MutableMap<String, String> = mutableMapOf(),
     override var posterHeaders: Map<String, String>? = null,
     override var backgroundPosterUrl: String? = null,
+    override var contentRating: String? = null,
 ) : LoadResponse
 
 data class MovieLoadResponse(
@@ -1606,6 +1610,7 @@ data class MovieLoadResponse(
     override var syncData: MutableMap<String, String> = mutableMapOf(),
     override var posterHeaders: Map<String, String>? = null,
     override var backgroundPosterUrl: String? = null,
+    override var contentRating: String? = null,
 ) : LoadResponse
 
 suspend fun <T> MainAPI.newMovieLoadResponse(
@@ -1730,6 +1735,7 @@ data class TvSeriesLoadResponse(
     override var nextAiring: NextAiring? = null,
     override var seasonNames: List<SeasonData>? = null,
     override var backgroundPosterUrl: String? = null,
+    override var contentRating: String? = null,
 ) : LoadResponse, EpisodeResponse {
     override fun getLatestEpisodes(): Map<DubStatus, Int?> {
         val maxSeason =

app/src/main/java/com/lagradost/cloudstream3/metaproviders/TmdbProvider.kt

@@ -151,6 +151,8 @@ open class TmdbProvider : MainAPI() {
             recommendations = (this@toLoadResponse.recommendations
                 ?: this@toLoadResponse.similar)?.results?.map { it.toSearchResponse() }
             addActors(credits?.cast?.toList().toActors())
+
+            contentRating = fetchContentRating(id, "US", true)
         }
     }
 
@@ -193,6 +195,8 @@ open class TmdbProvider : MainAPI() {
             recommendations = (this@toLoadResponse.recommendations
                 ?: this@toLoadResponse.similar)?.results?.map { it.toSearchResponse() }
             addActors(credits?.cast?.toList().toActors())
+
+            contentRating = fetchContentRating(id, "US", false)
         }
     }
 
@@ -264,6 +268,51 @@ open class TmdbProvider : MainAPI() {
         return null
     }
 
+    open suspend fun fetchContentRating(id: Int?, country: String, isTvSeries: Boolean): String? {
+        id ?: return null
+        return if (isTvSeries) {
+            val contentRatings = tmdb.tvService().content_ratings(id).awaitResponse().body()
+            contentRatings?.results
+                ?.find { it.iso_3166_1 == country }
+                ?.rating
+        } else {
+            val releaseDates = tmdb.moviesService().releaseDates(id).awaitResponse().body()?.results
+            val certification = findFirstNonEmptyCertificationWithCountry(releaseDates, country)
+            if (!certification.isNullOrEmpty()) {
+                certification
+            } else {
+                null
+            }
+        }
+    }
+
+    private fun findFirstNonEmptyCertificationWithCountry(
+        releaseDatesResults: List<ReleaseDatesResult>?,
+        country: String
+    ): String? {
+        for (releaseDateResult in releaseDatesResults.orEmpty()) {
+            if (releaseDateResult.iso_3166_1 == country) {
+                val certification = findFirstNonEmptyCertification(releaseDateResult.release_dates)
+                if (!certification.isNullOrEmpty()) {
+                    return certification
+                }
+            }
+        }
+
+        return null
+    }
+
+    private fun findFirstNonEmptyCertification(releaseDates: List<ReleaseDate>?): String? {
+        for (releaseDate in releaseDates.orEmpty()) {
+            val certification = releaseDate.certification
+            if (!certification.isNullOrBlank()) {
+                return certification
+            }
+        }
+
+        return null
+    }
+
     // Possible to add recommendations and such here.
     override suspend fun load(url: String): LoadResponse? {
         // https://www.themoviedb.org/movie/7445-brothers

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragmentPhone.kt

@@ -675,6 +675,7 @@ open class ResultFragmentPhone : FullScreenPlayer() {
                     resultMetaYear.setText(d.yearText)
                     resultMetaDuration.setText(d.durationText)
                     resultMetaRating.setText(d.ratingText)
+                    resultMetaContentRating.setText(d.contentRatingText)
                     resultCastText.setText(d.actorsText)
                     resultNextAiring.setText(d.nextAiringEpisode)
                     resultNextAiringTime.setText(d.nextAiringDate)

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultFragmentTv.kt

@@ -780,6 +780,7 @@ class ResultFragmentTv : Fragment() {
                         resultMetaYear.setText(d.yearText)
                         resultMetaDuration.setText(d.durationText)
                         resultMetaRating.setText(d.ratingText)
+                        resultMetaContentRating.setText(d.contentRatingText)
                         resultCastText.setText(d.actorsText)
                         resultNextAiring.setText(d.nextAiringEpisode)
                         resultNextAiringTime.setText(d.nextAiringDate)

app/src/main/java/com/lagradost/cloudstream3/ui/result/ResultViewModel2.kt

@@ -100,6 +100,7 @@ data class ResultData(
     val plotText: UiText,
     val apiName: UiText,
     val ratingText: UiText?,
+    val contentRatingText: UiText?,
     val vpnText: UiText?,
     val metaText: UiText?,
     val durationText: UiText?,
@@ -219,6 +220,7 @@ fun LoadResponse.toResultData(repo: APIRepository): ResultData {
         apiName = txt(apiName),
         ratingText = rating?.div(1000f)
             ?.let { if (it <= 0.1f) null else txt(R.string.rating_format, it) },
+        contentRatingText = txt(contentRating),
         vpnText = txt(
             when (repo.vpnStatus) {
                 VPNStatus.None -> null

app/src/main/res/layout/fragment_result.xml

@@ -388,6 +388,12 @@
                                     android:id="@+id/result_meta_duration"
                                     style="@style/ResultInfoText"
                                     tools:text="121min" />
+
+                                <com.google.android.material.button.MaterialButton
+                                    android:id="@+id/result_meta_content_rating"
+                                    android:layout_gravity="center_vertical"
+                                    style="@style/SmallBlackButton"
+                                    tools:text="PG-13" />
                             </com.lagradost.cloudstream3.widget.FlowLayout>
 
                             <!--

app/src/main/res/layout/fragment_result_tv.xml

@@ -407,6 +407,12 @@ https://developer.android.com/design/ui/tv/samples/jet-fit
                             android:id="@+id/result_meta_duration"
                             style="@style/ResultInfoText"
                             tools:text="121min" />
+
+                        <com.google.android.material.button.MaterialButton
+                            android:id="@+id/result_meta_content_rating"
+                            android:layout_gravity="center_vertical"
+                            style="@style/SmallWhiteButton"
+                            tools:text="PG-13" />
                     </com.lagradost.cloudstream3.widget.FlowLayout>