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Merge pull request #66 from babybuddy/new-timer-implementation
New timer implementation
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97 changes: 97 additions & 0 deletions
97
app/src/main/java/eu/pkgsoftware/babybuddywidgets/ActivityStorage.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,97 @@ | ||
| package eu.pkgsoftware.babybuddywidgets | ||
|
|
||
| import android.content.Context | ||
| import android.database.sqlite.SQLiteDatabase | ||
| import android.database.sqlite.SQLiteOpenHelper | ||
| import com.fasterxml.jackson.module.kotlin.jacksonObjectMapper | ||
| import eu.pkgsoftware.babybuddywidgets.debugging.GlobalDebugObject | ||
| import java.io.IOException | ||
|
|
||
| class ActivityDatabaseV1(context: Context) : SQLiteOpenHelper( | ||
| context, "store", null, 1 | ||
| ) { | ||
| override fun onCreate(db: SQLiteDatabase) { | ||
| db.execSQL("create table global_kv (key_name text primary key, value text)") | ||
| db.execSQL("create table login_kv (key_name text primary key, value text)") | ||
| db.execSQL("create table child_kv (child INTEGER, key_name text, value text, primary key (child, key_name))") | ||
| } | ||
|
|
||
| override fun onUpgrade(db: SQLiteDatabase?, oldVersion: Int, newVersion: Int) { | ||
| TODO("Not yet implemented") | ||
| } | ||
| } | ||
|
|
||
| class ActivityStore(context: Context) { | ||
| val openHelper = ActivityDatabaseV1(context) | ||
| val database = openHelper.writableDatabase | ||
| val jackOM = jacksonObjectMapper() | ||
|
|
||
| inline fun <reified K> genSet(table: String, value: K?, selectors: Map<String, String>) { | ||
| if (value == null) { | ||
| val query = "delete from $table where " + selectors.keys.joinToString(" and ") { "$it = ?" } | ||
| val args = selectors.values.toTypedArray() | ||
| database.execSQL(query, args) | ||
| } else { | ||
| val query = "insert or replace into $table (" + | ||
| selectors.keys.joinToString(", ") + ", value) values (" + | ||
| selectors.keys.joinToString(", ") { "?" } + ", ?)" | ||
| val valueString = jackOM.writeValueAsString(value) | ||
| database.execSQL(query, selectors.values.toTypedArray() + valueString) | ||
| } | ||
| } | ||
|
|
||
| inline fun <reified K> genGet(table: String, selectors: Map<String, String>): K? { | ||
| val query = "select value from $table where " + selectors.keys.joinToString(" and ") { "$it = ?" } | ||
| val cursor = database.rawQuery(query, selectors.values.toTypedArray()) | ||
| var value = "" | ||
| try { | ||
| if (cursor.moveToNext()) { | ||
| value = cursor.getString(0) | ||
| cursor.close() | ||
| return jackOM.readValue(value, K::class.java) | ||
| } | ||
| } | ||
| catch (e: IOException) { | ||
| GlobalDebugObject.log("Failed to deserialize value from table $table: '$value'") | ||
| } | ||
| finally { | ||
| cursor.close() | ||
| } | ||
| return null | ||
| } | ||
|
|
||
| inline fun <reified K> globals(key: String): K? { | ||
| return genGet("global_kv", mapOf("key_name" to key)) | ||
| } | ||
|
|
||
| inline fun <reified K> globals(key: String, value: K) { | ||
| genSet("global_kv", value, mapOf("key_name" to key)) | ||
| } | ||
|
|
||
| inline fun <reified K> login(key: String): K? { | ||
| return genGet("login_kv", mapOf("key_name" to key)) | ||
| } | ||
|
|
||
| inline fun <reified K> login(key: String, value: K) { | ||
| genSet("login_kv", value, mapOf("key_name" to key)) | ||
| } | ||
|
|
||
| inline fun <reified K> child(child: Int, key: String): K? { | ||
| return genGet("child_kv", mapOf("child" to child.toString(), "key_name" to key)) | ||
| } | ||
|
|
||
| inline fun <reified K> child(child: Int, key: String, value: K) { | ||
| genSet("child_kv", value, mapOf("child" to child.toString(), "key_name" to key)) | ||
| } | ||
|
|
||
| fun close() { | ||
| database.close() | ||
| openHelper.close() | ||
| } | ||
|
|
||
| fun deleteAllData() { | ||
| database.delete("global_kv", "1", arrayOf()) | ||
| database.delete("login_kv", "1", arrayOf()) | ||
| database.delete("child_kv", "1", arrayOf()) | ||
| } | ||
| } |
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