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Code Issues 7 Pull Requests Releases 17 Wiki Activity

Fix my-list issues 

* fix entries can be added multiple times to my list
* fix entries can’t be removed from my list after the app was restarted
* closes #15
This commit is contained in:
Jannik 2020-11-14 13:10:05 +01:00
parent 14377c3f18
commit c8d80ddc9f
Signed by: Seil0
GPG Key ID: E8459F3723C52C24
1 changed files with 12 additions and 6 deletions
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18
app/src/main/java/org/mosad/teapod/util/StorageController.kt
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@ -1,10 +1,12 @@
package org.mosad.teapod.util package org.mosad.teapod.util
import android.content.Context import android.content.Context
import android.util.Log
import com.google.gson.Gson import com.google.gson.Gson
import com.google.gson.GsonBuilder import com.google.gson.JsonParser
import kotlinx.coroutines.* import kotlinx.coroutines.*
import java.io.File import java.io.File
import java.lang.Exception
/** /**
* This controller contains the logic for permanently saved data. * This controller contains the logic for permanently saved data.
@ -21,17 +23,21 @@ object StorageController {
if (!file.exists()) runBlocking { saveMyList(context).join() } if (!file.exists()) runBlocking { saveMyList(context).join() }
myList.clear() try {
myList.addAll( myList.clear()
GsonBuilder().create().fromJson(file.readText(), ArrayList<Int>().javaClass) myList.addAll(JsonParser.parseString(file.readText()).asJsonArray.map { it.asInt }.distinct())
) } catch (ex: Exception) {
myList.clear()
Log.e(javaClass.name, "Parsing of My-List failed.")
}
} }
fun saveMyList(context: Context): Job { fun saveMyList(context: Context): Job {
val file = File(context.filesDir, fileNameMyList) val file = File(context.filesDir, fileNameMyList)
return GlobalScope.launch(Dispatchers.IO) { return GlobalScope.launch(Dispatchers.IO) {
file.writeText(Gson().toJson(myList)) file.writeText(Gson().toJson(myList.distinct()))
} }
} }