Pin tags to favorites

favorites/build.gradle.kts

@@ -42,6 +42,7 @@ dependencies {
 
     implementation(libs.koin.android)
 
+    implementation(project(":base"))
     implementation(project(":search"))
     implementation(project(":calendar"))
     implementation(project(":database"))

favorites/src/main/java/de/mm20/launcher2/favorites/FavoritesRepository.kt

@@ -81,7 +81,7 @@ interface FavoritesRepository {
      * Get items with the given keys from the favorites database.
      * Items that don't exist in the database will not be returned.
      */
-    fun getFromKeys(keys: List<String>): List<Searchable>
+    suspend fun getFromKeys(keys: List<String>): List<Searchable>
 
     suspend fun export(toDir: File)
     suspend fun import(fromDir: File)
@@ -379,7 +379,7 @@ internal class FavoritesRepositoryImpl(
         }
     }
 
-    override fun getFromKeys(keys: List<String>): List<Searchable> {
+    override suspend fun getFromKeys(keys: List<String>): List<Searchable> {
         val dao = database.searchDao()
         return dao.getFromKeys(keys)
             .mapNotNull { fromDatabaseEntity(it).searchable }

favorites/src/main/java/de/mm20/launcher2/favorites/Serialization.kt

@@ -58,6 +58,9 @@ internal fun getSerializer(searchable: Searchable?): SearchableSerializer {
     if (searchable is Website) {
         return WebsiteSerializer()
     }
+    if (searchable is Tag) {
+        return TagSerializer()
+    }
     return NullSerializer()
 }
 
@@ -99,5 +102,8 @@ internal fun getDeserializer(context: Context, serialized: String): SearchableDe
     if (type == "website") {
         return WebsiteDeserializer()
     }
+    if (type == "tag") {
+        return TagDeserializer()
+    }
     return NullDeserializer()
 }

favorites/src/main/java/de/mm20/launcher2/favorites/TagSerialization.kt

@@ -0,0 +1,29 @@
+package de.mm20.launcher2.favorites
+
+import android.content.Context
+import de.mm20.launcher2.search.SearchableDeserializer
+import de.mm20.launcher2.search.SearchableSerializer
+import de.mm20.launcher2.search.data.Searchable
+import de.mm20.launcher2.search.data.Tag
+import org.json.JSONObject
+
+class TagSerializer: SearchableSerializer {
+    override fun serialize(searchable: Searchable): String {
+        searchable as Tag
+        val json = JSONObject()
+        json.put("tag", searchable.tag)
+        return json.toString()
+    }
+
+    override val typePrefix: String
+        get() = "tag"
+}
+
+class TagDeserializer: SearchableDeserializer {
+    override fun deserialize(serialized: String): Searchable {
+        val json = JSONObject(serialized)
+
+        return Tag(json.getString("tag"))
+    }
+
+}

favorites/src/main/java/de/mm20/launcher2/search/data/Tag.kt

@@ -0,0 +1,20 @@
+package de.mm20.launcher2.search.data
+
+import android.content.Context
+import de.mm20.launcher2.icons.ColorLayer
+import de.mm20.launcher2.icons.StaticLauncherIcon
+import de.mm20.launcher2.icons.TextLayer
+
+class Tag(
+    val tag: String,
+): Searchable() {
+    override val key: String = "tag://$tag"
+    override val label: String = tag
+
+    override fun getPlaceholderIcon(context: Context): StaticLauncherIcon {
+        return StaticLauncherIcon(
+            foregroundLayer = TextLayer("#"),
+            backgroundLayer = ColorLayer()
+        )
+    }
+}