up

app/src/main/java/io/legado/app/data/dao/SearchKeywordDao.kt

@@ -17,6 +17,9 @@ interface SearchKeywordDao {
     @Query("SELECT * FROM search_keywords where word like '%'||:key||'%' ORDER BY usage DESC")
     fun liveDataSearch(key: String): LiveData<List<SearchKeyword>>
 
+    @Query("select * from search_keywords where word = :key")
+    fun get(key: String): SearchKeyword?
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     fun insert(vararg keywords: SearchKeyword)
 

app/src/main/java/io/legado/app/data/entities/SearchKeyword.kt

@@ -13,5 +13,5 @@ data class SearchKeyword(
     @PrimaryKey
     var word: String = "",                      // 搜索关键词
     var usage: Int = 1,                         // 使用次数
-    var lastUseTime: Long = 0                   // 最后一次使用时间
+    var lastUseTime: Long = System.currentTimeMillis()      // 最后一次使用时间
 ) : Parcelable

app/src/main/java/io/legado/app/ui/book/search/SearchActivity.kt

@@ -58,6 +58,7 @@ class SearchActivity : VMBaseActivity<SearchViewModel>(R.layout.activity_book_se
             override fun onQueryTextSubmit(query: String?): Boolean {
                 search_view.clearFocus()
                 query?.let {
+                    viewModel.saveSearchKey(query)
                     viewModel.search(it, {
                         refresh_progress_bar.isAutoLoading = true
                         initData()

app/src/main/java/io/legado/app/ui/book/search/SearchViewModel.kt

@@ -4,6 +4,7 @@ import android.app.Application
 import io.legado.app.App
 import io.legado.app.base.BaseViewModel
 import io.legado.app.data.entities.SearchBook
+import io.legado.app.data.entities.SearchKeyword
 import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.model.WebBook
 import kotlinx.coroutines.Dispatchers
@@ -61,4 +62,13 @@ class SearchViewModel(application: Application) : BaseViewModel(application) {
             success?.invoke(searchBook)
         }
     }
+
+    fun saveSearchKey(key: String) {
+        execute {
+            App.db.searchKeywordDao().get(key)?.let {
+                it.usage = it.usage + 1
+                App.db.searchKeywordDao().update(it)
+            } ?: App.db.searchKeywordDao().insert(SearchKeyword(key, 1))
+        }
+    }
 }