feat: added SendFeedExtension

src/main/kotlin/net/moonleay/rssbot/extensions/SendFeedExtension.kt

@@ -0,0 +1,113 @@
+/*
+ * RSSBot
+ * Copyright (C) 2023 moonleay
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package net.moonleay.rssbot.extensions
+
+import com.kotlindiscord.kord.extensions.commands.Arguments
+import com.kotlindiscord.kord.extensions.commands.converters.impl.string
+import com.kotlindiscord.kord.extensions.extensions.Extension
+import com.kotlindiscord.kord.extensions.extensions.ephemeralSlashCommand
+import com.kotlindiscord.kord.extensions.types.respond
+import com.overzealous.remark.Options
+import com.overzealous.remark.Remark
+import com.prof18.rssparser.RssParser
+import com.prof18.rssparser.model.RssChannel
+import com.prof18.rssparser.model.RssItem
+import dev.kord.rest.builder.message.EmbedBuilder.Limits.title
+import net.moonleay.rssbot.data.database.repository.RSSRepository
+import net.moonleay.rssbot.data.database.repository.SubscriptionRepository
+import net.moonleay.rssbot.extensions.components.FeedColor
+import net.moonleay.rssbot.util.EmbedColor
+import net.moonleay.rssbot.util.EmbedUtil
+import net.moonleay.rssbot.util.MessageUtil
+
+class SendFeedExtension : Extension() {
+
+    override val name = "sendfeed"
+    override val allowApplicationCommandInDMs: Boolean
+        get() = false
+
+
+    override suspend fun setup() {
+        ephemeralSlashCommand(::StuffArguments) {
+            name = "sendfeed"
+            description = "Send a feed to this channel"
+            this.action {
+                val feedUrl = arguments.feedUrl
+                val user = this.user.asUser()
+                if (feedUrl == null) {
+                    this.respond {
+                        this.embeds.add(
+                            MessageUtil.getEmbed(
+                                EmbedColor.ERROR,
+                                "Missing Arguments",
+                                "You are missing one or more arguments",
+                                user.username
+                            )
+                        )
+                    }
+                    return@action
+                }
+                val parser = RssParser()
+                var rss: RssChannel? = null
+                runCatching { // this sucks
+                    rss = parser.getRssChannel(feedUrl)
+                }.onFailure {
+                    this.respond {
+                        this.embeds.add(
+                            MessageUtil.getEmbed(
+                                EmbedColor.ERROR,
+                                "Invalid Feed",
+                                "The feed you provided is invalid",
+                                user.username
+                            )
+                        )
+                    }
+                    return@action
+                }
+                if (rss == null)
+                    return@action
+                rss!!.items.forEach {
+                    this.respond {
+                        this.embeds.add(
+                            MessageUtil.getRSSEmbed(
+                                FeedColor.GREEN,
+                                it.author ?: "Anonymous",
+                                it.title ?: "Untitled",
+                                if (it.description == null) "No description" else Remark(EmbedUtil.getHTMLtoMarkdownOptions()).convertFragment(it.description!!),
+                                it.link ?: "https://moonleay.net/",
+                                it.image ?: "",
+                                if (it.link != null) EmbedUtil.getSiteLogo(it.link!!) else "https://static.moonleay.net/img/no-image.png",
+                                "Manual Feed",
+                                it.pubDate?: "unknown"
+                            )
+                        )
+                    }
+                }
+
+            }
+        }
+    }
+
+    inner class StuffArguments : Arguments() {
+        val feedUrl by string {
+            this.name = "url"
+            this.description = "The url of the feed to send"
+        }
+    }
+}