#1574 New standard tags should be interpreted properly - add models

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/library_view/adapter/KiwixTag.kt

@@ -0,0 +1,63 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2019 Kiwix <android.kiwix.org>
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+package org.kiwix.kiwixmobile.zim_manager.library_view.adapter
+
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.Companion.YesNoValueTag.DetailsTag
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.Companion.YesNoValueTag.FtIndexTag
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.Companion.YesNoValueTag.PicturesTag
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.Companion.YesNoValueTag.VideoTag
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.TagValue.NO
+import org.kiwix.kiwixmobile.zim_manager.library_view.adapter.KiwixTag.TagValue.YES
+
+sealed class KiwixTag {
+  companion object {
+    fun from(tagString: String?) = tagString?.split(";")
+      ?.map { tags ->
+        val split = tags.split(":")
+        val value = split.getOrNull(1)
+        when (val tag = split[0]) {
+          "_ftindex" -> FtIndexTag(value!!)
+          "_pictures" -> PicturesTag(value!!)
+          "_video" -> VideoTag(value!!)
+          "_details" -> DetailsTag(value!!)
+          "_category" -> CategoryTag(value!!)
+          else -> value?.let { ArbitraryTag(tag, it) } ?: TagOnly(tag)
+        }
+      } ?: emptyList()
+
+    data class CategoryTag(val categoryValue: String) : KiwixTag()
+    data class ArbitraryTag(val tag: String, val value: String) : KiwixTag()
+    data class TagOnly(val tag: String) : KiwixTag()
+
+    sealed class YesNoValueTag(
+      _value: String,
+      val value: TagValue = if (_value == "yes") YES else NO
+    ) : KiwixTag() {
+      class FtIndexTag(value: String) : YesNoValueTag(value)
+      class PicturesTag(value: String) : YesNoValueTag(value)
+      class VideoTag(value: String) : YesNoValueTag(value)
+      class DetailsTag(value: String) : YesNoValueTag(value)
+    }
+  }
+
+  enum class TagValue {
+    YES,
+    NO
+  }
+}

app/src/main/java/org/kiwix/kiwixmobile/zim_manager/library_view/adapter/LibraryListItem.kt

@@ -30,6 +30,7 @@ sealed class LibraryListItem {
 
   data class BookItem(
     val book: Book,
+    val tags: List<KiwixTag> = KiwixTag.from(book.tags),
     override val id: Long = book.id.hashCode().toLong()
   ) : LibraryListItem()
 }