From e8c2c6e0655d82bc208ee4c78e344f9120a42a56 Mon Sep 17 00:00:00 2001
From: Ghazi Akmal Fauzan <13521058@std.stei.itb.ac.id>
Date: Mon, 1 Apr 2024 10:53:58 +0700
Subject: [PATCH] feat: insert transaction from scan
---
.../nerbos/fragments/scan/ScanFragment.kt | 218 +++++++++++++++---
1 file changed, 187 insertions(+), 31 deletions(-)
diff --git a/app/src/main/java/com/example/nerbos/fragments/scan/ScanFragment.kt b/app/src/main/java/com/example/nerbos/fragments/scan/ScanFragment.kt
index 44a497a..0783db7 100644
--- a/app/src/main/java/com/example/nerbos/fragments/scan/ScanFragment.kt
+++ b/app/src/main/java/com/example/nerbos/fragments/scan/ScanFragment.kt
@@ -2,6 +2,7 @@ package com.example.nerbos.fragments.scan
import android.Manifest
import android.app.Activity
+import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
import android.graphics.Bitmap
@@ -18,6 +19,7 @@ import android.widget.ImageButton
import android.widget.ImageView
import android.widget.Toast
import androidx.activity.result.contract.ActivityResultContracts
+import androidx.appcompat.app.AlertDialog
import androidx.core.content.ContextCompat
import androidx.fragment.app.Fragment
import androidx.camera.core.CameraSelector
@@ -28,9 +30,13 @@ import androidx.camera.lifecycle.ProcessCameraProvider
import androidx.camera.view.PreviewView
import androidx.core.net.toUri
import androidx.exifinterface.media.ExifInterface
+import androidx.lifecycle.ViewModelProvider
import com.google.android.material.dialog.MaterialAlertDialogBuilder
import com.example.nerbos.R
+import com.example.nerbos.model.Transaction
+import com.example.nerbos.model.TransactionCategory
import com.example.nerbos.service.Authentication
+import com.example.nerbos.viewmodel.TransactionViewModel
import java.io.File
import java.io.IOException
import java.util.concurrent.ExecutorService
@@ -38,19 +44,31 @@ import java.util.concurrent.Executors
import okhttp3.*
import okhttp3.MediaType.Companion.toMediaTypeOrNull
import okhttp3.RequestBody.Companion.asRequestBody
+import org.json.JSONException
+import org.json.JSONObject
class ScanFragment : Fragment() {
private lateinit var previewView: PreviewView
private lateinit var cameraExecutor: ExecutorService
private lateinit var imageCapture: ImageCapture
+ private var fragmentContext: Context? = null
private val requestCameraPermissionCode = Manifest.permission.CAMERA
-
private val uploadURL: String by lazy {
requireContext().getString(R.string.backend_api_scan)
}
+ override fun onAttach(context: Context) {
+ super.onAttach(context)
+ fragmentContext = context
+ }
+
+ override fun onDetach() {
+ super.onDetach()
+ fragmentContext = null
+ }
+
override fun onCreateView(
inflater: LayoutInflater, container: ViewGroup?,
savedInstanceState: Bundle?
@@ -175,14 +193,15 @@ class ScanFragment : Fragment() {
imageBitmap.compress(Bitmap.CompressFormat.JPEG, 100, imageFile.outputStream())
uploadImageToServer(imageFile) { success, message ->
if (success) {
- showToastOnUIThread("Image uploaded successfully")
+ showToastOnUIThread(message.toString())
} else {
- showToastOnUIThread(message ?: "Failed to upload image. Please try again later.")
+ showToastOnUIThread(message.toString())
}
}
dialog.dismiss()
}
.setNegativeButton("No") { dialog, _ ->
+ showToastOnUIThread("Scan cancelled")
dialog.dismiss()
}
.setView(ImageView(requireContext()).apply {
@@ -190,44 +209,181 @@ class ScanFragment : Fragment() {
adjustViewBounds = true
})
.show()
+ .apply {
+ getButton(AlertDialog.BUTTON_POSITIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ getButton(AlertDialog.BUTTON_NEGATIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ }
} else {
Toast.makeText(requireContext(), "Failed to load image", Toast.LENGTH_SHORT).show()
}
}
+ private fun showTransactionTypeDialog(callback: (String) -> Unit) {
+ val builder = AlertDialog.Builder(requireContext())
+ builder.setTitle("Select Transaction Type")
+ builder.setMessage("Please select the type of transaction you want to add.")
+
+ builder.setPositiveButton("Income") { dialog, _ ->
+ // Handle income transaction
+ callback("Income")
+ dialog.dismiss()
+ }
+
+ builder.setNegativeButton("Outcome") { dialog, _ ->
+ // Handle outcome transaction
+ callback("Outcome")
+ dialog.dismiss()
+ }
+
+ val dialog = builder.create()
+ dialog.show()
+
+ dialog.getButton(AlertDialog.BUTTON_POSITIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ dialog.getButton(AlertDialog.BUTTON_NEGATIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ }
+
+ private fun showTransactionConfirmationDialog(responseBody: String?, selectedTransactionType: String, totalNominal: Float, callback: (Boolean) -> Unit) {
+ val builder = AlertDialog.Builder(requireContext())
+ builder.setTitle("Confirm Transaction Details")
+
+ // Parse the JSON response body to extract item details
+ val itemDetails = StringBuilder()
+ calculateTotalNominal(responseBody)?.let {
+ try {
+ val jsonObject = JSONObject(responseBody.toString())
+ val itemsArray = jsonObject.getJSONObject("items").getJSONArray("items")
+ for (i in 0 until itemsArray.length()) {
+ val itemObject = itemsArray.getJSONObject(i)
+ val name = itemObject.getString("name")
+ val qty = itemObject.getInt("qty")
+ val price = itemObject.getDouble("price").toFloat()
+ itemDetails.append("$name: $qty x $price\n")
+ }
+ } catch (e: JSONException) {
+ e.printStackTrace()
+ }
+ }
+
+ // Adjust message based on transaction type
+ val transactionTypeMessage = if (selectedTransactionType == "Income") "income" else "outcome"
+ val message = "$itemDetails\nTotal Nominal: $totalNominal\n\nThis transaction will be added as an $transactionTypeMessage with location: Bandung.\n\nDo you want to proceed?"
+ builder.setMessage(message)
+
+ builder.setPositiveButton("Yes") { dialog, _ ->
+ callback(true)
+ dialog.dismiss()
+ }
+
+ builder.setNegativeButton("No") { dialog, _ ->
+ callback(false)
+ dialog.dismiss()
+ }
+
+ val dialog = builder.create()
+ dialog.show()
+
+ dialog.getButton(AlertDialog.BUTTON_POSITIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ dialog.getButton(AlertDialog.BUTTON_NEGATIVE)?.setTextColor(ContextCompat.getColor(requireContext(), R.color.white))
+ }
+
private fun uploadImageToServer(imageFile: File, callback: (Boolean, String?) -> Unit) {
- val client = OkHttpClient()
-
- val requestBody = MultipartBody.Builder()
- .setType(MultipartBody.FORM)
- .addFormDataPart("file", imageFile.name, imageFile.asRequestBody("image/*".toMediaTypeOrNull()))
- .build()
-
- val authentication = Authentication(requireContext())
- val token = authentication.getToken()
-
- val request = Request.Builder()
- .url(uploadURL)
- .header("Authorization", "Bearer $token")
- .post(requestBody)
- .build()
-
- client.newCall(request).enqueue(object : Callback {
- override fun onResponse(call: Call, response: Response) {
- if (response.isSuccessful) {
- showToastOnUIThread("Image uploaded successfully")
- callback(true, "Image uploaded successfully")
- } else {
- showToastOnUIThread("Failed to upload image. Please try again later.")
- callback(false, "Failed to upload image. Please try again later.")
+ showTransactionTypeDialog { selectedTransactionType ->
+ val authentication = Authentication(requireContext())
+ val token = authentication.getToken()
+ val client = OkHttpClient()
+
+ val requestBody = MultipartBody.Builder()
+ .setType(MultipartBody.FORM)
+ .addFormDataPart("file", imageFile.name, imageFile.asRequestBody("image/*".toMediaTypeOrNull()))
+ .build()
+
+ val request = Request.Builder()
+ .url(uploadURL)
+ .header("Authorization", "Bearer $token")
+ .post(requestBody)
+ .build()
+
+ client.newCall(request).enqueue(object : Callback {
+ override fun onResponse(call: Call, response: Response) {
+ if (response.isSuccessful) {
+ // Parse the response body to extract transaction items and calculate total nominal
+ val responseBody = response.body?.string()
+ val totalNominal = calculateTotalNominal(responseBody)
+ val itemDetails = getItemsFromResponse(responseBody)
+
+ // Run on UI thread to show transaction confirmation dialog
+ requireActivity().runOnUiThread {
+ showTransactionConfirmationDialog(responseBody, selectedTransactionType, totalNominal ?: 0f) { confirmed ->
+ if (confirmed) {
+ // Create a single transaction and add it to the database
+ totalNominal?.let { nominal ->
+ val transaction = Transaction(
+ userID = authentication.getNim(),
+ name = "Scan Transaction $itemDetails",
+ category = if (selectedTransactionType == "Income") TransactionCategory.INCOME else TransactionCategory.OUTCOME,
+ nominal = nominal,
+ location = "Bandung"
+ )
+ addTransactionToDatabase(transaction)
+ callback(true, "Transaction added successfully")
+ } ?: run {
+ callback(false, "Failed to calculate total nominal")
+ }
+ } else {
+ callback(false, "Transaction cancelled")
+ }
+ }
+ }
+ } else {
+ callback(false, "Failed to upload image. Please try again later.")
+ }
}
+
+ override fun onFailure(call: Call, e: IOException) {
+ showToastOnUIThread("Failed to upload image: ${e.message}")
+ callback(false, e.message)
+ }
+ })
+ }
+ }
+
+ private fun getItemsFromResponse(responseBody: String?): String {
+ val itemDetails = StringBuilder()
+ try {
+ val jsonObject = JSONObject(responseBody.toString())
+ val itemsArray = jsonObject.getJSONObject("items").getJSONArray("items")
+ for (i in 0 until itemsArray.length()) {
+ val itemObject = itemsArray.getJSONObject(i)
+ val name = itemObject.getString("name")
+ itemDetails.append("$name ")
}
+ } catch (e: JSONException) {
+ e.printStackTrace()
+ }
+ return itemDetails.toString()
+ }
- override fun onFailure(call: Call, e: IOException) {
- showToastOnUIThread("Failed to upload image: ${e.message}")
- callback(false, e.message)
+ private fun calculateTotalNominal(responseBody: String?): Float? {
+ var totalNominal: Float? = null
+ try {
+ val jsonObject = JSONObject(responseBody.toString())
+ val itemsArray = jsonObject.getJSONObject("items").getJSONArray("items")
+ totalNominal = 0f
+ for (i in 0 until itemsArray.length()) {
+ val itemObject = itemsArray.getJSONObject(i)
+ val qty = itemObject.getInt("qty")
+ val price = itemObject.getDouble("price").toFloat()
+ totalNominal += qty * price
}
- })
+ } catch (e: JSONException) {
+ e.printStackTrace()
+ }
+ return totalNominal
+ }
+
+ private fun addTransactionToDatabase(transaction: Transaction) {
+ val transactionViewModel = ViewModelProvider(requireActivity())[TransactionViewModel::class.java]
+ transactionViewModel.addTransaction(transaction)
}
private fun showToastOnUIThread(message: String) {
--
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