Implement full text search

app/src/main/java/gq/kirmanak/mealient/data/recipes/RecipeRepo.kt

@@ -12,4 +12,6 @@ interface RecipeRepo {
     suspend fun refreshRecipeInfo(recipeSlug: String): Result<Unit>
 
     suspend fun loadRecipeInfo(recipeId: String): FullRecipeEntity?
+
+    fun setSearchName(name: String?)
 }

app/src/main/java/gq/kirmanak/mealient/data/recipes/db/RecipeStorage.kt

@@ -9,7 +9,7 @@ import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
 interface RecipeStorage {
     suspend fun saveRecipes(recipes: List<RecipeSummaryInfo>)
 
-    fun queryRecipes(): PagingSource<Int, RecipeSummaryEntity>
+    fun queryRecipes(query: String?): PagingSource<Int, RecipeSummaryEntity>
 
     suspend fun refreshAll(recipes: List<RecipeSummaryInfo>)
 

app/src/main/java/gq/kirmanak/mealient/data/recipes/db/RecipeStorageImpl.kt

@@ -35,9 +35,11 @@ class RecipeStorageImpl @Inject constructor(
     }
 
 
-    override fun queryRecipes(): PagingSource<Int, RecipeSummaryEntity> {
-        logger.v { "queryRecipes() called" }
-        return recipeDao.queryRecipesByPages()
+    override fun queryRecipes(query: String?): PagingSource<Int, RecipeSummaryEntity> {
+        logger.v { "queryRecipes() called with: query = $query" }
+        return if (query == null) recipeDao.queryRecipesByPages()
+        else recipeDao.queryRecipesByPages(query)
+
     }
 
     override suspend fun refreshAll(recipes: List<RecipeSummaryInfo>) {

app/src/main/java/gq/kirmanak/mealient/data/recipes/impl/RecipePagingSourceFactory.kt

@@ -0,0 +1,8 @@
+package gq.kirmanak.mealient.data.recipes.impl
+
+import androidx.paging.PagingSource
+import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
+
+interface RecipePagingSourceFactory : () -> PagingSource<Int, RecipeSummaryEntity> {
+    fun setQuery(newQuery: String?)
+}

app/src/main/java/gq/kirmanak/mealient/data/recipes/impl/RecipePagingSourceFactoryImpl.kt

@@ -0,0 +1,29 @@
+package gq.kirmanak.mealient.data.recipes.impl
+
+import androidx.paging.PagingSource
+import gq.kirmanak.mealient.data.recipes.db.RecipeStorage
+import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
+import gq.kirmanak.mealient.logging.Logger
+import java.util.concurrent.atomic.AtomicReference
+import javax.inject.Inject
+import javax.inject.Singleton
+
+@Singleton
+class RecipePagingSourceFactoryImpl @Inject constructor(
+    private val recipeStorage: RecipeStorage,
+    private val logger: Logger,
+) : RecipePagingSourceFactory {
+
+    private val query = AtomicReference<String>(null)
+
+    override fun invoke(): PagingSource<Int, RecipeSummaryEntity> {
+        val currentQuery = query.get()
+        logger.d { "Creating paging source, query is $currentQuery" }
+        return recipeStorage.queryRecipes(currentQuery)
+    }
+
+    override fun setQuery(newQuery: String?) {
+        logger.v { "setQuery() called with: newQuery = $newQuery" }
+        query.set(newQuery)
+    }
+}

app/src/main/java/gq/kirmanak/mealient/data/recipes/impl/RecipeRepoImpl.kt

@@ -19,10 +19,12 @@ import javax.inject.Singleton
 class RecipeRepoImpl @Inject constructor(
     private val mediator: RecipesRemoteMediator,
     private val storage: RecipeStorage,
-    private val pagingSourceFactory: InvalidatingPagingSourceFactory<Int, RecipeSummaryEntity>,
+    private val pagingSourceFactory: RecipePagingSourceFactory,
+    private val invalidatingPagingSourceFactory: InvalidatingPagingSourceFactory<Int, RecipeSummaryEntity>,
     private val dataSource: RecipeDataSource,
     private val logger: Logger,
 ) : RecipeRepo {
+
     override fun createPager(): Pager<Int, RecipeSummaryEntity> {
         logger.v { "createPager() called" }
         val pagingConfig = PagingConfig(pageSize = 5, enablePlaceholders = true)
@@ -53,4 +55,10 @@ class RecipeRepoImpl @Inject constructor(
         logger.v { "loadRecipeInfo() returned: $recipeInfo" }
         return recipeInfo
     }
+
+    override fun setSearchName(name: String?) {
+        logger.v { "setSearchName() called with: name = $name" }
+        pagingSourceFactory.setQuery(name)
+        invalidatingPagingSourceFactory.invalidate()
+    }
 }

app/src/main/java/gq/kirmanak/mealient/di/RecipeModule.kt

@@ -13,9 +13,7 @@ import gq.kirmanak.mealient.data.network.MealieDataSourceWrapper
 import gq.kirmanak.mealient.data.recipes.RecipeRepo
 import gq.kirmanak.mealient.data.recipes.db.RecipeStorage
 import gq.kirmanak.mealient.data.recipes.db.RecipeStorageImpl
-import gq.kirmanak.mealient.data.recipes.impl.RecipeImageUrlProvider
-import gq.kirmanak.mealient.data.recipes.impl.RecipeImageUrlProviderImpl
-import gq.kirmanak.mealient.data.recipes.impl.RecipeRepoImpl
+import gq.kirmanak.mealient.data.recipes.impl.*
 import gq.kirmanak.mealient.data.recipes.network.RecipeDataSource
 import gq.kirmanak.mealient.database.recipe.entity.RecipeSummaryEntity
 import gq.kirmanak.mealient.ui.recipes.images.RecipeModelLoaderFactory
@@ -46,13 +44,17 @@ interface RecipeModule {
     @Singleton
     fun bindModelLoaderFactory(recipeModelLoaderFactory: RecipeModelLoaderFactory): ModelLoaderFactory<RecipeSummaryEntity, InputStream>
 
+    @Binds
+    @Singleton
+    fun bindRecipePagingSourceFactory(recipePagingSourceFactoryImpl: RecipePagingSourceFactoryImpl): RecipePagingSourceFactory
+
     companion object {
 
         @Provides
         @Singleton
         fun provideRecipePagingSourceFactory(
-            recipeStorage: RecipeStorage
-        ) = InvalidatingPagingSourceFactory { recipeStorage.queryRecipes() }
+            factory: RecipePagingSourceFactory,
+        ) = InvalidatingPagingSourceFactory(factory)
 
         @Provides
         @Singleton

app/src/main/java/gq/kirmanak/mealient/ui/activity/MainActivityViewModel.kt

@@ -6,6 +6,7 @@ import gq.kirmanak.mealient.R
 import gq.kirmanak.mealient.data.auth.AuthRepo
 import gq.kirmanak.mealient.data.baseurl.ServerInfoRepo
 import gq.kirmanak.mealient.data.disclaimer.DisclaimerStorage
+import gq.kirmanak.mealient.data.recipes.RecipeRepo
 import gq.kirmanak.mealient.logging.Logger
 import kotlinx.coroutines.flow.launchIn
 import kotlinx.coroutines.flow.onEach
@@ -18,6 +19,7 @@ class MainActivityViewModel @Inject constructor(
     private val logger: Logger,
     private val disclaimerStorage: DisclaimerStorage,
     private val serverInfoRepo: ServerInfoRepo,
+    private val recipeRepo: RecipeRepo,
 ) : ViewModel() {
 
     private val _uiState = MutableLiveData(MainActivityUiState())
@@ -55,5 +57,6 @@ class MainActivityViewModel @Inject constructor(
 
     fun onSearchQuery(query: String) {
         logger.v { "onSearchQuery() called with: query = $query" }
+        recipeRepo.setSearchName(query)
     }
 }

database/schemas/gq.kirmanak.mealient.database.AppDb/7.json

@@ -0,0 +1,201 @@
+{
+  "formatVersion": 1,
+  "database": {
+    "version": 7,
+    "identityHash": "1def22b22cb1f09a27de1b3188b857d2",
+    "entities": [
+      {
+        "tableName": "recipe_summaries",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`remote_id` TEXT NOT NULL, `name` TEXT NOT NULL, `slug` TEXT NOT NULL, `description` TEXT NOT NULL, `date_added` INTEGER NOT NULL, `date_updated` INTEGER NOT NULL, `image_id` TEXT, PRIMARY KEY(`remote_id`))",
+        "fields": [
+          {
+            "fieldPath": "remoteId",
+            "columnName": "remote_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "slug",
+            "columnName": "slug",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "description",
+            "columnName": "description",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "dateAdded",
+            "columnName": "date_added",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "dateUpdated",
+            "columnName": "date_updated",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "imageId",
+            "columnName": "image_id",
+            "affinity": "TEXT",
+            "notNull": false
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "remote_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "recipe",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`remote_id` TEXT NOT NULL, `recipe_yield` TEXT NOT NULL, PRIMARY KEY(`remote_id`))",
+        "fields": [
+          {
+            "fieldPath": "remoteId",
+            "columnName": "remote_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipeYield",
+            "columnName": "recipe_yield",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "remote_id"
+          ],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "recipe_ingredient",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`local_id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `recipe_id` TEXT NOT NULL, `note` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "localId",
+            "columnName": "local_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipeId",
+            "columnName": "recipe_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "note",
+            "columnName": "note",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "local_id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "tableName": "recipe_instruction",
+        "createSql": "CREATE TABLE IF NOT EXISTS `${TABLE_NAME}` (`local_id` INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL, `recipe_id` TEXT NOT NULL, `text` TEXT NOT NULL)",
+        "fields": [
+          {
+            "fieldPath": "localId",
+            "columnName": "local_id",
+            "affinity": "INTEGER",
+            "notNull": true
+          },
+          {
+            "fieldPath": "recipeId",
+            "columnName": "recipe_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "text",
+            "columnName": "text",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [
+            "local_id"
+          ],
+          "autoGenerate": true
+        },
+        "indices": [],
+        "foreignKeys": []
+      },
+      {
+        "ftsVersion": "FTS4",
+        "ftsOptions": {
+          "tokenizer": "simple",
+          "tokenizerArgs": [],
+          "contentTable": "recipe_summaries",
+          "languageIdColumnName": "",
+          "matchInfo": "FTS4",
+          "notIndexedColumns": [],
+          "prefixSizes": [],
+          "preferredOrder": "ASC"
+        },
+        "contentSyncTriggers": [
+          "CREATE TRIGGER IF NOT EXISTS room_fts_content_sync_recipe_summaries_fts_BEFORE_UPDATE BEFORE UPDATE ON `recipe_summaries` BEGIN DELETE FROM `recipe_summaries_fts` WHERE `docid`=OLD.`rowid`; END",
+          "CREATE TRIGGER IF NOT EXISTS room_fts_content_sync_recipe_summaries_fts_BEFORE_DELETE BEFORE DELETE ON `recipe_summaries` BEGIN DELETE FROM `recipe_summaries_fts` WHERE `docid`=OLD.`rowid`; END",
+          "CREATE TRIGGER IF NOT EXISTS room_fts_content_sync_recipe_summaries_fts_AFTER_UPDATE AFTER UPDATE ON `recipe_summaries` BEGIN INSERT INTO `recipe_summaries_fts`(`docid`, `remote_id`, `name`) VALUES (NEW.`rowid`, NEW.`remote_id`, NEW.`name`); END",
+          "CREATE TRIGGER IF NOT EXISTS room_fts_content_sync_recipe_summaries_fts_AFTER_INSERT AFTER INSERT ON `recipe_summaries` BEGIN INSERT INTO `recipe_summaries_fts`(`docid`, `remote_id`, `name`) VALUES (NEW.`rowid`, NEW.`remote_id`, NEW.`name`); END"
+        ],
+        "tableName": "recipe_summaries_fts",
+        "createSql": "CREATE VIRTUAL TABLE IF NOT EXISTS `${TABLE_NAME}` USING FTS4(`remote_id` TEXT NOT NULL, `name` TEXT NOT NULL, content=`recipe_summaries`)",
+        "fields": [
+          {
+            "fieldPath": "remoteId",
+            "columnName": "remote_id",
+            "affinity": "TEXT",
+            "notNull": true
+          },
+          {
+            "fieldPath": "name",
+            "columnName": "name",
+            "affinity": "TEXT",
+            "notNull": true
+          }
+        ],
+        "primaryKey": {
+          "columnNames": [],
+          "autoGenerate": false
+        },
+        "indices": [],
+        "foreignKeys": []
+      }
+    ],
+    "views": [],
+    "setupQueries": [
+      "CREATE TABLE IF NOT EXISTS room_master_table (id INTEGER PRIMARY KEY,identity_hash TEXT)",
+      "INSERT OR REPLACE INTO room_master_table (id,identity_hash) VALUES(42, '1def22b22cb1f09a27de1b3188b857d2')"
+    ]
+  }
+}

database/src/main/kotlin/gq/kirmanak/mealient/database/AppDb.kt

@@ -6,12 +6,13 @@ import gq.kirmanak.mealient.database.recipe.RecipeDao
 import gq.kirmanak.mealient.database.recipe.entity.*
 
 @Database(
-    version = 6,
+    version = 7,
     entities = [
         RecipeSummaryEntity::class,
         RecipeEntity::class,
         RecipeIngredientEntity::class,
-        RecipeInstructionEntity::class
+        RecipeInstructionEntity::class,
+        RecipeSummaryFtsEntity::class,
     ],
     exportSchema = true,
     autoMigrations = [
@@ -19,6 +20,7 @@ import gq.kirmanak.mealient.database.recipe.entity.*
         AutoMigration(from = 3, to = 4),
         AutoMigration(from = 4, to = 5, spec = AppDb.From4To5Migration::class),
         AutoMigration(from = 5, to = 6, spec = AppDb.From5To6Migration::class),
+        AutoMigration(from = 6, to = 7),
     ]
 )
 @TypeConverters(RoomTypeConverters::class)

database/src/main/kotlin/gq/kirmanak/mealient/database/recipe/RecipeDao.kt

@@ -9,6 +9,9 @@ interface RecipeDao {
     @Query("SELECT * FROM recipe_summaries ORDER BY date_added DESC")
     fun queryRecipesByPages(): PagingSource<Int, RecipeSummaryEntity>
 
+    @Query("SELECT * FROM recipe_summaries JOIN recipe_summaries_fts ON recipe_summaries_fts.remote_id == recipe_summaries.remote_id WHERE recipe_summaries_fts.name MATCH :query ORDER BY date_added DESC")
+    fun queryRecipesByPages(query: String): PagingSource<Int, RecipeSummaryEntity>
+
     @Insert(onConflict = OnConflictStrategy.REPLACE)
     suspend fun insertRecipe(recipeSummaryEntity: RecipeSummaryEntity)
 

database/src/main/kotlin/gq/kirmanak/mealient/database/recipe/entity/RecipeSummaryFtsEntity.kt

@@ -0,0 +1,13 @@
+package gq.kirmanak.mealient.database.recipe.entity
+
+import androidx.room.ColumnInfo
+import androidx.room.Entity
+import androidx.room.Fts4
+
+
+@Entity(tableName = "recipe_summaries_fts")
+@Fts4(contentEntity = RecipeSummaryEntity::class)
+data class RecipeSummaryFtsEntity(
+    @ColumnInfo(name = "remote_id") val remoteId: String,
+    @ColumnInfo(name = "name") val name: String,
+)