feat: creating, deleting comments | markdown, spoiler comments

app/build.gradle

@@ -126,7 +126,6 @@ dependencies {
 //    UI
     implementation 'com.google.android.material:material:1.11.0'
     implementation 'nl.joery.animatedbottombar:library:1.1.0'
-    implementation 'io.noties.markwon:core:4.6.2'
     implementation 'com.flaviofaria:kenburnsview:1.0.7'
     implementation 'com.davemorrissey.labs:subsampling-scale-image-view-androidx:3.10.0'
     implementation 'com.alexvasilkov:gesture-views:2.8.3'
@@ -134,6 +133,21 @@ dependencies {
     implementation 'androidx.paging:paging-runtime-ktx:3.2.1'
     implementation 'com.github.eltos:simpledialogfragments:v3.7'
 
+    //   Markwon
+    ext.markwon_version = '4.6.2'
+    implementation  "io.noties.markwon:core:$markwon_version"
+    implementation  "io.noties.markwon:editor:$markwon_version"
+    implementation  "io.noties.markwon:ext-strikethrough:$markwon_version"
+    implementation  "io.noties.markwon:ext-tables:$markwon_version"
+    implementation  "io.noties.markwon:ext-tasklist:$markwon_version"
+    implementation  "io.noties.markwon:html:$markwon_version"
+    implementation  "io.noties.markwon:image-glide:$markwon_version"
+
+//    Groupie
+    ext.groupie_version = '2.10.1'
+    implementation "com.github.lisawray.groupie:groupie:$groupie_version"
+    implementation "com.github.lisawray.groupie:groupie-viewbinding:$groupie_version"
+
 //    string matching
     implementation 'me.xdrop:fuzzywuzzy:1.4.0'
 

app/src/main/AndroidManifest.xml

@@ -109,7 +109,7 @@
             android:name=".others.imagesearch.ImageSearchActivity"
             android:parentActivityName=".MainActivity" />
         <activity
-            android:name=".media.CommentsFragment" />
+            android:name=".media.comments.CommentsFragment" />
         <activity
             android:name=".media.SearchActivity"
             android:parentActivityName=".MainActivity" />

app/src/main/java/ani/dantotsu/App.kt

@@ -8,6 +8,7 @@ import androidx.multidex.MultiDex
 import androidx.multidex.MultiDexApplication
 import ani.dantotsu.aniyomi.anime.custom.AppModule
 import ani.dantotsu.aniyomi.anime.custom.PreferenceModule
+import ani.dantotsu.connections.comments.CommentsAPI
 import ani.dantotsu.connections.crashlytics.CrashlyticsInterface
 import ani.dantotsu.others.DisabledReports
 import ani.dantotsu.parsers.AnimeSources

app/src/main/java/ani/dantotsu/connections/anilist/AnilistQueries.kt

@@ -42,6 +42,7 @@ class AnilistQueries {
         PrefManager.setVal(PrefName.AnilistUserName, user.name)
 
         Anilist.userid = user.id
+        PrefManager.setVal(PrefName.AnilistUserId, user.id.toString())
         Anilist.username = user.name
         Anilist.bg = user.bannerImage
         Anilist.avatar = user.avatar?.medium

app/src/main/java/ani/dantotsu/connections/anilist/AnilistViewModel.kt

@@ -7,6 +7,7 @@ import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
 import ani.dantotsu.BuildConfig
 import ani.dantotsu.R
+import ani.dantotsu.connections.comments.CommentsAPI
 import ani.dantotsu.connections.discord.Discord
 import ani.dantotsu.connections.mal.MAL
 import ani.dantotsu.media.Media
@@ -36,6 +37,7 @@ suspend fun getUserId(context: Context, block: () -> Unit) {
                 if (MAL.token != null && !MAL.query.getUserData())
                     snackString(context.getString(R.string.error_loading_mal_user_data))
             }
+            CommentsAPI.fetchAuthToken()
             true
         } else {
             snackString(context.getString(R.string.error_loading_anilist_user_data))

app/src/main/java/ani/dantotsu/connections/comments/Comments.kt

@@ -1,116 +0,0 @@
-package ani.dantotsu.connections.comments
-
-import android.security.keystore.KeyProperties
-import android.util.Base64
-import ani.dantotsu.BuildConfig
-import ani.dantotsu.settings.saving.PrefManager
-import ani.dantotsu.settings.saving.PrefName
-import com.lagradost.nicehttp.Requests
-import eu.kanade.tachiyomi.network.NetworkHelper
-import kotlinx.coroutines.runBlocking
-import kotlinx.serialization.SerialName
-import kotlinx.serialization.Serializable
-import kotlinx.serialization.json.Json
-import okhttp3.FormBody
-import uy.kohesive.injekt.Injekt
-import uy.kohesive.injekt.api.get
-import java.security.MessageDigest
-import javax.crypto.Cipher
-import javax.crypto.spec.SecretKeySpec
-
-class Comments {
-    val address: String = "http://10.0.2.2:8081"
-    val appSecret = BuildConfig.APP_SECRET
-    val requestClient = Injekt.get<NetworkHelper>().client
-    var authToken: String? = null
-    fun run() {
-        runBlocking {
-            val request = Requests(
-                requestClient,
-                headerBuilder()
-            )
-                .get(address)
-            println("comments: $request")
-        }
-    }
-
-    fun getCommentsForId(id: Int) {
-        val url = "$address/comments/$id"
-        runBlocking {
-            val request = Requests(
-                requestClient,
-                headerBuilder()
-            )
-                .get(url)
-            println("comments: $request")
-        }
-    }
-
-    fun fetchAuthToken() {
-        val url = "$address/authenticate"
-        //test user id = asdf
-        //test username = test
-        val user = User(generateUserId() ?: return, "rebel onion")
-        val body: FormBody = FormBody.Builder()
-            .add("user_id", user.id)
-            .add("username", user.username)
-            .build()
-        runBlocking {
-            val request = Requests(
-                requestClient,
-                headerBuilder()
-            )
-            val json = request.post(url, requestBody = body)
-            if (!json.text.startsWith("{")) return@runBlocking
-            val parsed = try {
-                Json.decodeFromString<Auth>(json.text)
-            } catch (e: Exception) {
-                return@runBlocking
-            }
-            authToken = parsed.authToken
-
-            println("comments: $json")
-            println("comments: $authToken")
-        }
-    }
-
-    private fun headerBuilder(): Map<String, String> {
-        return if (authToken != null) {
-            mapOf(
-                "appauth" to appSecret,
-                "Authorization" to authToken!!
-            )
-        } else {
-            mapOf(
-                "appauth" to appSecret,
-            )
-        }
-    }
-
-    private fun generateUserId(): String? {
-        val anilistId = PrefManager.getVal(PrefName.AnilistToken, null as String?) ?: return null
-        val userIdEncryptKey = BuildConfig.USER_ID_ENCRYPT_KEY
-        val keySpec = SecretKeySpec(userIdEncryptKey.toByteArray(), KeyProperties.KEY_ALGORITHM_AES)
-        val cipher =  Cipher.getInstance("${KeyProperties.KEY_ALGORITHM_AES}/${KeyProperties.BLOCK_MODE_CBC}/${KeyProperties.ENCRYPTION_PADDING_PKCS7}")
-        cipher.init(Cipher.ENCRYPT_MODE, keySpec)
-        val encrypted = cipher.doFinal(anilistId.toByteArray())
-        val base = Base64.encodeToString(encrypted, Base64.NO_WRAP)
-        val bytes = MessageDigest.getInstance("SHA-256").digest(base.toByteArray())
-        return bytes.joinToString("") { "%02x".format(it) }
-
-    }
-}
-
-@Serializable
-data class Auth(
-    @SerialName("authToken")
-    val authToken: String
-)
-
-@Serializable
-data class User(
-    @SerialName("user_id")
-    val id: String,
-    @SerialName("username")
-    val username: String
-)

app/src/main/java/ani/dantotsu/connections/comments/CommentsAPI.kt

@@ -0,0 +1,273 @@
+package ani.dantotsu.connections.comments
+
+import android.annotation.SuppressLint
+import android.security.keystore.KeyProperties
+import ani.dantotsu.BuildConfig
+import ani.dantotsu.connections.anilist.Anilist
+import ani.dantotsu.settings.saving.PrefManager
+import ani.dantotsu.settings.saving.PrefName
+import ani.dantotsu.snackString
+import com.lagradost.nicehttp.Requests
+import eu.kanade.tachiyomi.network.NetworkHelper
+import kotlinx.coroutines.runBlocking
+import kotlinx.coroutines.withContext
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+import kotlinx.serialization.descriptors.PrimitiveKind
+import kotlinx.serialization.descriptors.PrimitiveSerialDescriptor
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+import kotlinx.serialization.json.Json
+import okhttp3.FormBody
+import uy.kohesive.injekt.Injekt
+import uy.kohesive.injekt.api.get
+import javax.crypto.Cipher
+import javax.crypto.spec.SecretKeySpec
+
+object CommentsAPI {
+    val address: String = "http://10.0.2.2:8081"
+    val appSecret = BuildConfig.APP_SECRET
+    var authToken: String? = null
+    var userId: String? = null
+    var isBanned: Boolean = false
+    var isAdmin: Boolean = false
+    var isMod: Boolean = false
+
+    suspend fun getCommentsForId(id: Int, page: Int = 1): CommentResponse? {
+        val url = "$address/comments/$id/$page"
+        val request = requestBuilder()
+        val json = request.get(url)
+        if (!json.text.startsWith("{")) return null
+        val parsed = try {
+            Json.decodeFromString<CommentResponse>(json.text)
+        } catch (e: Exception) {
+            println("comments: $e")
+            return null
+        }
+        return parsed
+    }
+
+    suspend fun vote(commentId: Int, voteType: Int): Boolean {
+        val url = "$address/comments/vote/$commentId/$voteType"
+        val request = requestBuilder()
+        val json = request.post(url)
+        val res = json.code == 200
+        if (!res) {
+            errorReason(json.code)
+        }
+        return res
+    }
+
+    suspend fun comment(mediaId: Int, parentCommentId: Int?, content: String): Comment? {
+        val url = "$address/comments"
+        val body = FormBody.Builder()
+            .add("user_id", userId ?: return null)
+            .add("media_id", mediaId.toString())
+            .add("content", content)
+        parentCommentId?.let {
+            body.add("parent_comment_id", it.toString())
+        }
+        val request = requestBuilder()
+        val json = request.post(url, requestBody = body.build())
+        val res = json.code == 200
+        if (!res) {
+            errorReason(json.code)
+            return null
+        }
+        val parsed = try {
+            Json.decodeFromString<ReturnedComment>(json.text)
+        } catch (e: Exception) {
+            println("comment: $e")
+            snackString("Failed to parse comment")
+            return null
+        }
+        return Comment(
+            parsed.id,
+            parsed.userId,
+            parsed.mediaId,
+            parsed.parentCommentId,
+            parsed.content,
+            parsed.timestamp,
+            parsed.deleted,
+            0,
+            0,
+            null,
+            Anilist.username ?: "",
+            Anilist.avatar
+        )
+    }
+
+    suspend fun deleteComment(commentId: Int): Boolean {
+        val url = "$address/comments/$commentId"
+        val request = requestBuilder()
+        val json = request.delete(url)
+        val res = json.code == 200
+        if (!res) {
+            errorReason(json.code)
+        }
+        return res
+    }
+
+    suspend fun fetchAuthToken() {
+        val url = "$address/authenticate"
+        userId = generateUserId()
+        val user = User(userId ?: return, Anilist.username ?: "")
+        val body: FormBody = FormBody.Builder()
+            .add("user_id", user.id)
+            .add("username", user.username)
+            .add("profile_picture_url", Anilist.avatar ?: "")
+            .build()
+            val request = requestBuilder()
+            val json = request.post(url, requestBody = body)
+            if (!json.text.startsWith("{")) return
+            val parsed = try {
+                Json.decodeFromString<AuthResponse>(json.text)
+            } catch (e: Exception) {
+                println("comment: $e")
+                return
+            }
+            authToken = parsed.authToken
+            userId = parsed.user.id
+            isBanned = parsed.user.isBanned ?: false
+            isAdmin = parsed.user.isAdmin ?: false
+            isMod = parsed.user.isMod ?: false
+    }
+
+    private fun headerBuilder(): Map<String, String> {
+        return if (authToken != null) {
+            mapOf(
+                "appauth" to appSecret,
+                "Authorization" to authToken!!
+            )
+        } else {
+            mapOf(
+                "appauth" to appSecret,
+            )
+        }
+    }
+
+    private fun requestBuilder(): Requests {
+        return Requests(
+            Injekt.get<NetworkHelper>().client,
+            headerBuilder()
+        )
+    }
+
+    private fun errorReason(code: Int) {
+        val error = when (code) {
+            429 -> "Rate limited. :("
+            else -> "Failed to connect"
+        }
+        snackString("Error $code: $error")
+    }
+
+    @SuppressLint("GetInstance")
+    private fun generateUserId(): String? {
+        val anilistId = PrefManager.getVal(PrefName.AnilistUserId, null as String?) ?: return null
+        val userIdEncryptKey = BuildConfig.USER_ID_ENCRYPT_KEY
+        val keySpec = SecretKeySpec(userIdEncryptKey.toByteArray(), KeyProperties.KEY_ALGORITHM_AES)
+        val cipher = Cipher.getInstance("${KeyProperties.KEY_ALGORITHM_AES}/ECB/${KeyProperties.ENCRYPTION_PADDING_PKCS7}")
+        cipher.init(Cipher.ENCRYPT_MODE, keySpec)
+        val encrypted = cipher.doFinal(anilistId.toByteArray())
+        return encrypted.joinToString("") { "%02x".format(it) }
+    }
+}
+
+@Serializable
+data class AuthResponse(
+    @SerialName("authToken")
+    val authToken: String,
+    @SerialName("user")
+    val user: User
+)
+
+@Serializable
+data class User(
+    @SerialName("user_id")
+    val id: String,
+    @SerialName("username")
+    val username: String,
+    @SerialName("profile_picture_url")
+    val profilePictureUrl: String? = null,
+    @SerialName("is_banned")
+    @Serializable(with = NumericBooleanSerializer::class)
+    val isBanned: Boolean? = null,
+    @SerialName("is_mod")
+    @Serializable(with = NumericBooleanSerializer::class)
+    val isAdmin: Boolean? = null,
+    @SerialName("is_admin")
+    @Serializable(with = NumericBooleanSerializer::class)
+    val isMod: Boolean? = null
+)
+
+@Serializable
+data class CommentResponse(
+    @SerialName("comments")
+    val comments: List<Comment>,
+    @SerialName("totalPages")
+    val totalPages: Int
+)
+
+@Serializable
+data class Comment(
+    @SerialName("comment_id")
+    val commentId: Int,
+    @SerialName("user_id")
+    val userId: String,
+    @SerialName("media_id")
+    val mediaId: Int,
+    @SerialName("parent_comment_id")
+    val parentCommentId: Int?,
+    @SerialName("content")
+    val content: String,
+    @SerialName("timestamp")
+    val timestamp: String,
+    @SerialName("deleted")
+    @Serializable(with = NumericBooleanSerializer::class)
+    val deleted: Boolean?,
+    @SerialName("upvotes")
+    var upvotes: Int,
+    @SerialName("downvotes")
+    var downvotes: Int,
+    @SerialName("user_vote_type")
+    var userVoteType: Int?,
+    @SerialName("username")
+    val username: String,
+    @SerialName("profile_picture_url")
+    val profilePictureUrl: String?
+)
+
+@Serializable
+data class ReturnedComment(
+    @SerialName("id")
+    var id: Int,
+    @SerialName("comment_id")
+    var commentId: Int?,
+    @SerialName("user_id")
+    val userId: String,
+    @SerialName("media_id")
+    val mediaId: Int,
+    @SerialName("parent_comment_id")
+    val parentCommentId: Int? = null,
+    @SerialName("content")
+    val content: String,
+    @SerialName("timestamp")
+    val timestamp: String,
+    @SerialName("deleted")
+    @Serializable(with = NumericBooleanSerializer::class)
+    val deleted: Boolean?,
+)
+
+object NumericBooleanSerializer : KSerializer<Boolean> {
+    override val descriptor: SerialDescriptor = PrimitiveSerialDescriptor("NumericBoolean", PrimitiveKind.INT)
+
+    override fun serialize(encoder: Encoder, value: Boolean) {
+        encoder.encodeInt(if (value) 1 else 0)
+    }
+
+    override fun deserialize(decoder: Decoder): Boolean {
+        return decoder.decodeInt() != 0
+    }
+}

app/src/main/java/ani/dantotsu/media/CommentsFragment.kt

@@ -1,34 +0,0 @@
-package ani.dantotsu.media
-
-import android.os.Bundle
-import android.view.ViewGroup
-import androidx.appcompat.app.AppCompatActivity
-import androidx.core.view.updateLayoutParams
-import ani.dantotsu.connections.anilist.Anilist
-import ani.dantotsu.databinding.FragmentCommentsBinding
-import ani.dantotsu.loadImage
-import ani.dantotsu.navBarHeight
-import ani.dantotsu.snackString
-import ani.dantotsu.statusBarHeight
-import ani.dantotsu.themes.ThemeManager
-
-class CommentsFragment : AppCompatActivity(){
-    lateinit var binding: FragmentCommentsBinding
-    //Comments
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        ThemeManager(this).applyTheme()
-        binding = FragmentCommentsBinding.inflate(layoutInflater)
-        setContentView(binding.root)
-
-        binding.commentsLayout.updateLayoutParams<ViewGroup.MarginLayoutParams> {
-            topMargin = statusBarHeight
-            bottomMargin = navBarHeight
-        }
-        binding.commentUserAvatar.loadImage(Anilist.avatar)
-        binding.commentTitle.text = "Work in progress"
-        binding.commentSend.setOnClickListener {
-            //TODO
-        }
-    }
-}

app/src/main/java/ani/dantotsu/media/anime/AnimeWatchAdapter.kt

@@ -18,7 +18,7 @@ import ani.dantotsu.*
 import ani.dantotsu.databinding.DialogLayoutBinding
 import ani.dantotsu.databinding.ItemAnimeWatchBinding
 import ani.dantotsu.databinding.ItemChipBinding
-import ani.dantotsu.media.CommentsFragment
+import ani.dantotsu.media.comments.CommentsFragment
 import ani.dantotsu.media.Media
 import ani.dantotsu.media.MediaDetailsActivity
 import ani.dantotsu.media.SourceSearchDialogFragment
@@ -59,12 +59,13 @@ class AnimeWatchAdapter(
     override fun onBindViewHolder(holder: ViewHolder, position: Int) {
         val binding = holder.binding
         _binding = binding
-        //Comments
+        //CommentsAPI
         binding.animeComments.visibility = View.VISIBLE
         binding.animeComments.setOnClickListener {
             startActivity(
                 fragment.requireContext(),
-                Intent(fragment.requireContext(), CommentsFragment::class.java),
+                Intent(fragment.requireContext(), CommentsFragment::class.java)
+                    .putExtra("mediaId", media.id),
                 null
             )
         }

app/src/main/java/ani/dantotsu/media/comments/CommentItem.kt

@@ -0,0 +1,140 @@
+package ani.dantotsu.media.comments
+
+import android.view.View
+import ani.dantotsu.R
+import ani.dantotsu.connections.comments.Comment
+import ani.dantotsu.connections.comments.CommentsAPI
+import ani.dantotsu.databinding.ItemCommentsBinding
+import ani.dantotsu.loadImage
+import ani.dantotsu.snackString
+import com.xwray.groupie.GroupieAdapter
+import com.xwray.groupie.Section
+
+import com.xwray.groupie.viewbinding.BindableItem
+import io.noties.markwon.Markwon
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.launch
+import java.text.SimpleDateFormat
+import java.util.Date
+import java.util.TimeZone
+
+class CommentItem(private val comment: Comment,
+                  private val markwon: Markwon,
+                  private val section: Section
+) : BindableItem<ItemCommentsBinding>() {
+
+    override fun bind(viewBinding: ItemCommentsBinding, position: Int) {
+        val isUserComment = CommentsAPI.userId == comment.userId
+        val node = markwon.parse(comment.content)
+        val spanned = markwon.render(node)
+        markwon.setParsedMarkdown(viewBinding.commentText, viewBinding.commentText.setSpoilerText(spanned, markwon))
+        viewBinding.commentDelete.visibility = if (isUserComment) View.VISIBLE else View.GONE
+        viewBinding.commentEdit.visibility = if (isUserComment) View.VISIBLE else View.GONE
+        viewBinding.commentReply.visibility = View.GONE //TODO: implement reply
+        viewBinding.commentTotalReplies.visibility = View.GONE //TODO: implement reply
+        viewBinding.commentReply.setOnClickListener {
+
+        }
+        viewBinding.commentDelete.setOnClickListener {
+            val scope = CoroutineScope(Dispatchers.Main + SupervisorJob())
+            scope.launch {
+                val success = CommentsAPI.deleteComment(comment.commentId)
+                if (success) {
+                    snackString("Comment Deleted")
+                    section.remove(this@CommentItem)
+                }
+            }
+        }
+        //fill the icon if the user has liked the comment
+        setVoteButtons(viewBinding)
+        viewBinding.commentUpVote.setOnClickListener {
+            val voteType = if (comment.userVoteType == 1) 0 else 1
+            val previousVoteType = comment.userVoteType
+            val scope = CoroutineScope(Dispatchers.Main + SupervisorJob())
+            scope.launch {
+                val success = CommentsAPI.vote(comment.commentId, voteType)
+                if (success) {
+                    comment.userVoteType = voteType
+
+                    if (previousVoteType == -1) {
+                        comment.downvotes -= 1
+                    }
+                    comment.upvotes += if (voteType == 1) 1 else -1
+
+                    notifyChanged()
+                }
+            }
+        }
+
+        viewBinding.commentDownVote.setOnClickListener {
+            val voteType = if (comment.userVoteType == -1) 0 else -1
+            val previousVoteType = comment.userVoteType
+            val scope = CoroutineScope(Dispatchers.Main + SupervisorJob())
+            scope.launch {
+                val success = CommentsAPI.vote(comment.commentId, voteType)
+                if (success) {
+                    comment.userVoteType = voteType
+
+                    if (previousVoteType == 1) {
+                        comment.upvotes -= 1
+                    }
+                    comment.downvotes += if (voteType == -1) 1 else -1
+
+                    notifyChanged()
+                }
+            }
+        }
+        viewBinding.commentTotalVotes.text = (comment.upvotes - comment.downvotes).toString()
+        viewBinding.commentUserAvatar
+        comment.profilePictureUrl?.let { viewBinding.commentUserAvatar.loadImage(it) }
+        viewBinding.commentUserName.text = comment.username
+        viewBinding.commentUserTime.text = formatTimestamp(comment.timestamp)
+    }
+
+    override fun getLayout(): Int {
+        return R.layout.item_comments
+    }
+
+    override fun initializeViewBinding(view: View): ItemCommentsBinding {
+        return ItemCommentsBinding.bind(view)
+    }
+
+    private fun setVoteButtons(viewBinding: ItemCommentsBinding) {
+        if (comment.userVoteType == 1) {
+            viewBinding.commentUpVote.setImageResource(R.drawable.ic_round_upvote_active_24)
+            viewBinding.commentDownVote.setImageResource(R.drawable.ic_round_upvote_inactive_24)
+        } else if (comment.userVoteType == -1) {
+            viewBinding.commentUpVote.setImageResource(R.drawable.ic_round_upvote_inactive_24)
+            viewBinding.commentDownVote.setImageResource(R.drawable.ic_round_upvote_active_24)
+        } else {
+            viewBinding.commentUpVote.setImageResource(R.drawable.ic_round_upvote_inactive_24)
+            viewBinding.commentDownVote.setImageResource(R.drawable.ic_round_upvote_inactive_24)
+        }
+    }
+
+    private fun formatTimestamp(timestamp: String): String {
+        return try {
+            val dateFormat = SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss.SSS'Z'")
+            dateFormat.timeZone = TimeZone.getTimeZone("UTC")
+            val parsedDate = dateFormat.parse(timestamp)
+            val currentDate = Date()
+
+            val diff = currentDate.time - (parsedDate?.time ?: 0)
+
+            val days = diff / (24 * 60 * 60 * 1000)
+            val hours = diff / (60 * 60 * 1000) % 24
+            val minutes = diff / (60 * 1000) % 60
+
+            return when {
+                days > 0 -> "$days days ago"
+                hours > 0 -> "$hours hours ago"
+                minutes > 0 -> "$minutes minutes ago"
+                else -> "just now"
+            }
+        } catch (e: Exception) {
+            "now"
+        }
+    }
+}

app/src/main/java/ani/dantotsu/media/comments/CommentsFragment.kt

@@ -0,0 +1,170 @@
+package ani.dantotsu.media.comments
+
+import android.graphics.drawable.Drawable
+import android.os.Bundle
+import android.text.TextWatcher
+import android.view.LayoutInflater
+import android.view.ViewGroup
+import androidx.appcompat.app.AppCompatActivity
+import androidx.core.view.updateLayoutParams
+import androidx.lifecycle.lifecycleScope
+import androidx.recyclerview.widget.LinearLayoutManager
+import ani.dantotsu.connections.anilist.Anilist
+import ani.dantotsu.connections.comments.Comment
+import ani.dantotsu.connections.comments.CommentsAPI
+import ani.dantotsu.databinding.FragmentCommentsBinding
+import ani.dantotsu.databinding.ItemCommentsBinding
+import ani.dantotsu.loadImage
+import ani.dantotsu.navBarHeight
+import ani.dantotsu.snackString
+import ani.dantotsu.statusBarHeight
+import ani.dantotsu.themes.ThemeManager
+import com.bumptech.glide.Glide
+import com.bumptech.glide.RequestBuilder
+import com.bumptech.glide.RequestManager
+import com.bumptech.glide.load.DataSource
+import com.bumptech.glide.load.engine.GlideException
+import com.bumptech.glide.load.resource.gif.GifDrawable
+import com.bumptech.glide.request.RequestListener
+import com.bumptech.glide.request.target.Target
+import com.xwray.groupie.GroupAdapter
+import com.xwray.groupie.GroupieAdapter
+import com.xwray.groupie.Section
+import com.xwray.groupie.viewbinding.GroupieViewHolder
+import io.noties.markwon.Markwon
+import io.noties.markwon.SoftBreakAddsNewLinePlugin
+import io.noties.markwon.editor.MarkwonEditor
+import io.noties.markwon.editor.MarkwonEditorTextWatcher
+import io.noties.markwon.ext.strikethrough.StrikethroughPlugin
+import io.noties.markwon.ext.tables.TablePlugin
+import io.noties.markwon.ext.tasklist.TaskListPlugin
+import io.noties.markwon.html.HtmlPlugin
+import io.noties.markwon.image.AsyncDrawable
+import io.noties.markwon.image.glide.GlideImagesPlugin
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.launch
+import kotlinx.coroutines.withContext
+
+class CommentsFragment : AppCompatActivity(){
+    lateinit var binding: FragmentCommentsBinding
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        ThemeManager(this).applyTheme()
+        binding = FragmentCommentsBinding.inflate(layoutInflater)
+        setContentView(binding.root)
+            //get the media id from the intent
+        val mediaId = intent.getIntExtra("mediaId", -1)
+        if (mediaId == -1) {
+            snackString("Invalid Media ID")
+            finish()
+        }
+
+        val adapter = GroupieAdapter()
+        val section = Section()
+        val markwon = buildMarkwon()
+
+        binding.commentsLayout.updateLayoutParams<ViewGroup.MarginLayoutParams> {
+            topMargin = statusBarHeight
+            bottomMargin = navBarHeight
+        }
+        binding.commentUserAvatar.loadImage(Anilist.avatar)
+        binding.commentTitle.text = "Work in progress"
+        val markwonEditor = MarkwonEditor.create(markwon)
+        binding.commentInput.addTextChangedListener(MarkwonEditorTextWatcher.withProcess(markwonEditor))
+        binding.commentSend.setOnClickListener {
+            if (CommentsAPI.isBanned) {
+                snackString("You are banned from commenting :(")
+                return@setOnClickListener
+            }
+            binding.commentInput.text.toString().let {
+                if (it.isNotEmpty()) {
+                    binding.commentInput.text.clear()
+                    lifecycleScope.launch {
+                        val success = withContext(Dispatchers.IO) {
+                            CommentsAPI.comment(mediaId, null, it)
+                        }
+                        if (success != null)
+                            section.add(CommentItem(success, buildMarkwon(), section))
+                    }
+                } else {
+                    snackString("Comment cannot be empty")
+                }
+            }
+        }
+        binding.commentInput.addTextChangedListener(object : TextWatcher {
+            override fun beforeTextChanged(s: CharSequence?, start: Int, count: Int, after: Int) {
+            }
+
+            override fun onTextChanged(s: CharSequence?, start: Int, before: Int, count: Int) {
+            }
+
+            override fun afterTextChanged(s: android.text.Editable?) {
+                if (binding.commentInput.text.length > 300) {
+                    binding.commentInput.text.delete(300, binding.commentInput.text.length)
+                    snackString("Comment cannot be longer than 300 characters")
+                }
+            }
+        })
+
+        binding.commentsList.adapter = adapter
+        binding.commentsList.layoutManager = LinearLayoutManager(this)
+        lifecycleScope.launch {
+            withContext(Dispatchers.IO) {
+                val comments = CommentsAPI.getCommentsForId(mediaId)
+                comments?.comments?.forEach {
+                    withContext(Dispatchers.Main) {
+                        section.add(CommentItem(it, buildMarkwon(), section))
+                    }
+                }
+            }
+            adapter.add(section)
+        }
+    }
+
+    private fun buildMarkwon(): Markwon {
+        val markwon = Markwon.builder(this)
+            .usePlugin(SoftBreakAddsNewLinePlugin.create())
+            .usePlugin(StrikethroughPlugin.create())
+            .usePlugin(HtmlPlugin.create())
+            .usePlugin(TablePlugin.create(this))
+            .usePlugin(TaskListPlugin.create(this))
+            .usePlugin(GlideImagesPlugin.create(object : GlideImagesPlugin.GlideStore {
+
+                private val requestManager: RequestManager = Glide.with(this@CommentsFragment).apply {
+                    addDefaultRequestListener(object : RequestListener<Any> {
+                        override fun onResourceReady(
+                            resource: Any,
+                            model: Any,
+                            target: Target<Any>,
+                            dataSource: DataSource,
+                            isFirstResource: Boolean
+                        ): Boolean {
+                            if (resource is GifDrawable) {
+                                resource.start()
+                            }
+                            return false
+                        }
+
+                        override fun onLoadFailed(
+                            e: GlideException?,
+                            model: Any?,
+                            target: Target<Any>,
+                            isFirstResource: Boolean
+                        ): Boolean {
+                            return false
+                        }
+                    })
+                }
+
+                override fun load(drawable: AsyncDrawable): RequestBuilder<Drawable> {
+                    return requestManager.load(drawable.destination)
+                }
+                override fun cancel(target: Target<*>) {
+                    requestManager.clear(target)
+                }
+            }))
+            .build()
+        return markwon
+    }
+}

app/src/main/java/ani/dantotsu/media/comments/SpoilerTextView.kt

@@ -0,0 +1,59 @@
+package ani.dantotsu.media.comments
+
+import android.content.Context
+import android.text.SpannableString
+import android.text.SpannableStringBuilder
+import android.text.Spanned
+import android.text.method.LinkMovementMethod
+import android.text.style.ClickableSpan
+import android.util.AttributeSet
+import android.view.View
+import androidx.appcompat.widget.AppCompatTextView
+import io.noties.markwon.Markwon
+
+class SpoilerTextView @JvmOverloads constructor(
+    context: Context,
+    attrs: AttributeSet? = null,
+    defStyleAttr: Int = 0
+) : AppCompatTextView(context, attrs, defStyleAttr) {
+
+    private val replaceWith = "▓"
+    private var originalSpanned: SpannableStringBuilder? = null
+
+    fun setSpoilerText(text: Spanned, markwon: Markwon) : Spanned {
+        val pattern = Regex("\\|\\|(.*?)\\|\\|")
+        val matcher = pattern.toPattern().matcher(text)
+        val spannableBuilder = SpannableStringBuilder(text)
+        //remove the "||" from the text
+        val originalBuilder = SpannableStringBuilder(text)
+        originalSpanned = originalBuilder
+
+        val map = mutableMapOf<Int, Int>()
+        while (matcher.find()) {
+            val start = matcher.start()
+            val end = matcher.end()
+            map[start] = end
+        }
+
+        map.forEach { (start, end) ->
+            val replacement = replaceWith.repeat(end - start)
+            spannableBuilder.replace(start, end, replacement)
+        }
+        val spannableString = SpannableString(spannableBuilder)
+        map.forEach { (start, end) ->
+            val clickableSpan = object : ClickableSpan() {
+                override fun onClick(widget: View) {
+                    markwon.setParsedMarkdown(this@SpoilerTextView, originalSpanned!!.delete(end - 2, end).delete(start, start + 2))
+                }
+            }
+            spannableString.setSpan(
+                clickableSpan,
+                start,
+                end,
+                SpannableString.SPAN_EXCLUSIVE_EXCLUSIVE
+            )
+        }
+        movementMethod = LinkMovementMethod.getInstance()
+        return spannableString
+    }
+}

app/src/main/java/ani/dantotsu/settings/saving/Preferences.kt

@@ -160,6 +160,7 @@ enum class PrefName(val data: Pref) {  //TODO: Split this into multiple files
     DiscordAvatar(Pref(Location.Protected, String::class, "")),
     AnilistToken(Pref(Location.Protected, String::class, "")),
     AnilistUserName(Pref(Location.Protected, String::class, "")),
+    AnilistUserId(Pref(Location.Protected, String::class, "")),
     MALCodeChallenge(Pref(Location.Protected, String::class, "")),
     MALToken(Pref(Location.Protected, MAL.ResponseToken::class, "")),
 }

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

@@ -60,11 +60,13 @@
             android:textSize="12sp"
             android:fontFamily="@font/poppins_semi_bold"
             android:hint="Add a comment..."
-            android:inputType="text"
+            android:inputType="textMultiLine"
             android:padding="8dp"
             android:background="@drawable/card_outline"
             android:layout_marginEnd="8dp"
             android:layout_marginStart="8dp"
+            android:maxLength="300"
+            android:maxLines="15"
             tools:ignore="HardcodedText"
             android:autofillHints="The One Piece is real" />
 

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

@@ -57,7 +57,7 @@
 
         </LinearLayout>
 
-        <TextView
+        <ani.dantotsu.media.comments.SpoilerTextView
             android:id="@+id/commentText"
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
@@ -119,6 +119,7 @@
     <LinearLayout
         android:layout_width="wrap_content"
         android:layout_height="wrap_content"
+        android:layout_gravity="center_vertical"
         android:orientation="vertical">
         <ImageView
             android:id="@+id/commentUpVote"