From 86325193b51e9a2b7dd00106955c2aecc1ecf2bc Mon Sep 17 00:00:00 2001
From: Gouri Panda <gouripanda4@gmail.com>
Date: Mon, 5 Dec 2022 01:03:02 +0530
Subject: [PATCH] Added NewRecentSearchRoomDao and deprecated
 NewRecentSearchDao

---
 .../core/dao/NewRecentSearchDao.kt            |  1 +
 .../core/dao/NewRecentSearchRoomDao.kt        | 64 +++++++++++++++++++
 .../dao/entities/RecentSearchRoomEntity.kt    | 33 ++++++++++
 3 files changed, 98 insertions(+)
 create mode 100644 core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchRoomDao.kt

diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchDao.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchDao.kt
index cd3a8411d..0093f2bb7 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchDao.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchDao.kt
@@ -27,6 +27,7 @@ import org.kiwix.kiwixmobile.core.data.local.entity.RecentSearch
 import org.kiwix.kiwixmobile.core.search.adapter.SearchListItem.RecentSearchListItem
 import javax.inject.Inject
 
+@Deprecated(message = "Replaced with Room")
 class NewRecentSearchDao @Inject constructor(
   private val box: Box<RecentSearchEntity>,
   private val flowBuilder: FlowBuilder
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchRoomDao.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchRoomDao.kt
new file mode 100644
index 000000000..9e0043914
--- /dev/null
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/NewRecentSearchRoomDao.kt
@@ -0,0 +1,64 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2022 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.core.dao
+
+import androidx.room.Dao
+import androidx.room.Query
+import io.objectbox.Box
+import kotlinx.coroutines.flow.Flow
+import kotlinx.coroutines.flow.map
+import org.kiwix.kiwixmobile.core.dao.entities.RecentSearchEntity
+import org.kiwix.kiwixmobile.core.dao.entities.RecentSearchRoomEntity
+import org.kiwix.kiwixmobile.core.search.adapter.SearchListItem
+
+@Dao
+abstract class NewRecentSearchRoomDao {
+
+  @Query("SELECT * FROM RecentSearchRoomEntity WHERE id LIKE :zimId ORDER BY RecentSearchRoomEntity.id DESC")
+  abstract fun search(zimId: String?): Flow<List<RecentSearchRoomEntity>>
+
+  fun recentSearches(zimId: String?): Flow<List<SearchListItem.RecentSearchListItem>> {
+    return search(zimId = zimId).map { searchEntities ->
+      searchEntities.distinctBy(RecentSearchRoomEntity::searchTerm).take(NUM_RECENT_RESULTS)
+        .map { searchEntity -> SearchListItem.RecentSearchListItem(searchEntity.searchTerm) }
+    }
+  }
+
+  @Query("INSERT INTO RecentSearchRoomEntity(searchTerm, zimId) VALUES (:title , :id)")
+  abstract fun saveSearch(title: String, id: Long)
+
+  @Query("DELETE FROM RecentSearchRoomEntity WHERE searchTerm=:searchTerm")
+  abstract fun deleteSearchString(searchTerm: String)
+
+  @Query("DELETE FROM RecentSearchRoomEntity")
+  abstract fun deleteSearchHistory()
+
+  fun migrationToRoomInsert(
+    box: Box<RecentSearchEntity>
+  ) {
+    val searchRoomEntityList = box.all
+    searchRoomEntityList.forEach {
+      saveSearch(it.searchTerm, it.id)
+    }
+  }
+
+  companion object {
+    private const val NUM_RECENT_RESULTS = 100
+  }
+}
diff --git a/core/src/main/java/org/kiwix/kiwixmobile/core/dao/entities/RecentSearchRoomEntity.kt b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/entities/RecentSearchRoomEntity.kt
index 4806b7070..5e6f4fc8e 100644
--- a/core/src/main/java/org/kiwix/kiwixmobile/core/dao/entities/RecentSearchRoomEntity.kt
+++ b/core/src/main/java/org/kiwix/kiwixmobile/core/dao/entities/RecentSearchRoomEntity.kt
@@ -1,2 +1,35 @@
+/*
+ * Kiwix Android
+ * Copyright (c) 2022 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.core.dao.entities
 
+import androidx.room.PrimaryKey
+import org.kiwix.kiwixmobile.core.data.local.entity.RecentSearch
+
+@androidx.room.Entity
+data class RecentSearchRoomEntity(
+  @PrimaryKey var id: Long = 0L,
+  val searchTerm: String,
+  val zimId: String
+) {
+  constructor(recentSearch: RecentSearch) : this(
+    0,
+    recentSearch.searchString,
+    recentSearch.zimID
+  )
+}