refactor: 공모 목록, 공모 상세 에러 핸들링

android/app/src/main/java/com/zzang/chongdae/domain/paging/OfferingPagingSource.kt

@@ -5,6 +5,7 @@ import androidx.paging.PagingState
 import com.zzang.chongdae.domain.model.Offering
 import com.zzang.chongdae.domain.repository.AuthRepository
 import com.zzang.chongdae.domain.repository.OfferingRepository
+import com.zzang.chongdae.domain.util.DataError
 import com.zzang.chongdae.domain.util.Result
 
 class OfferingPagingSource(
@@ -27,9 +28,23 @@ class OfferingPagingSource(
 
             when (offerings) {
                 is Result.Error -> {
-                    authRepository.saveRefresh()
-                    retry()
-                    load(params)
+                    when (offerings.error) {
+                        DataError.Network.UNAUTHORIZED -> {
+                            authRepository.saveRefresh()
+                            retry()
+                            load(params)
+                        }
+
+                        else -> {
+                            val prevKey: Long? = null
+                            val nextKey: Long? = null
+                            LoadResult.Page(
+                                data = emptyList<Offering>(),
+                                prevKey = prevKey,
+                                nextKey = nextKey,
+                            )
+                        }
+                    }
                 }
 
                 is Result.Success -> {

android/app/src/main/java/com/zzang/chongdae/presentation/util/BindingAdapters.kt

@@ -131,10 +131,10 @@ private fun OfferingCondition.toOfferingComment(
     context: Context,
     remaining: Int,
 ) = when (this) {
-    OfferingCondition.FULL -> context.getString(R.string.main_offering_condition_full_comment)
+    OfferingCondition.FULL -> context.getString(R.string.home_offering_condition_full_comment)
     OfferingCondition.IMMINENT ->
         Html.fromHtml(
-            context.getString(R.string.main_offering_condition_continue_comment)
+            context.getString(R.string.home_offering_condition_continue_comment)
                 .format(remaining),
             Spannable.SPAN_EXCLUSIVE_EXCLUSIVE,
         )
@@ -171,10 +171,10 @@ private fun TextView.setColor(colorId: Int) {
 
 private fun OfferingCondition.toOfferingConditionText(context: Context) =
     when (this) {
-        OfferingCondition.FULL -> context.getString(R.string.main_offering_full) // 인원 만석
-        OfferingCondition.IMMINENT -> context.getString(R.string.main_offering_imminent) // 마감임박
-        OfferingCondition.CONFIRMED -> context.getString(R.string.main_offering_closed) // 공구마감
-        OfferingCondition.AVAILABLE -> context.getString(R.string.main_offering_continue) // 모집중
+        OfferingCondition.FULL -> context.getString(R.string.home_offering_full) // 인원 만석
+        OfferingCondition.IMMINENT -> context.getString(R.string.home_offering_imminent) // 마감임박
+        OfferingCondition.CONFIRMED -> context.getString(R.string.home_offering_closed) // 공구마감
+        OfferingCondition.AVAILABLE -> context.getString(R.string.home_offering_continue) // 모집중
     }
 
 private fun OfferingCondition.toStyle() =
@@ -193,7 +193,7 @@ fun View.setIsVisible(isVisible: Boolean) {
 @BindingAdapter("formattedDate")
 fun TextView.bindFormattedDate(datetime: LocalDateTime?) {
     this.text =
-        datetime?.format(DateTimeFormatter.ofPattern(context.getString(R.string.due_datetime)))
+        datetime?.format(DateTimeFormatter.ofPattern(context.getString(R.string.all_due_datetime)))
 }
 
 @BindingAdapter("currentCount", "totalCount", "condition")
@@ -210,18 +210,18 @@ private fun OfferingCondition.toOfferingConditionText(
     currentCount: Int,
     totalCount: Int,
 ) = when (this) {
-    OfferingCondition.FULL -> context.getString(R.string.participant_full)
+    OfferingCondition.FULL -> context.getString(R.string.offering_detail_participant_full)
     OfferingCondition.IMMINENT ->
         context.getString(
-            R.string.participant_count,
+            R.string.offering_detail_participant_count,
             currentCount,
             totalCount,
         )
 
-    OfferingCondition.CONFIRMED -> context.getString(R.string.participant_end)
+    OfferingCondition.CONFIRMED -> context.getString(R.string.offering_detail_participant_end)
     OfferingCondition.AVAILABLE ->
         context.getString(
-            R.string.participant_count,
+            R.string.offering_detail_participant_count,
             currentCount,
             totalCount,
         )

android/app/src/main/java/com/zzang/chongdae/presentation/view/home/HomeFragment.kt

@@ -7,6 +7,8 @@ import android.view.View
 import android.view.ViewGroup
 import android.view.inputmethod.EditorInfo
 import android.widget.CheckBox
+import android.widget.Toast
+import androidx.annotation.StringRes
 import androidx.core.view.isVisible
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.setFragmentResultListener
@@ -34,6 +36,7 @@ import kotlinx.coroutines.launch
 class HomeFragment : Fragment(), OnOfferingClickListener {
     private var _binding: FragmentHomeBinding? = null
     private val binding get() = _binding!!
+    private var toast: Toast? = null
 
     private lateinit var offeringAdapter: OfferingAdapter
     private val viewModel: OfferingViewModel by viewModels {
@@ -88,6 +91,10 @@ class HomeFragment : Fragment(), OnOfferingClickListener {
         viewModel.selectedFilter.observe(viewLifecycleOwner) { selectedFilter ->
             updateCheckBoxStates(selectedFilter)
         }
+
+        viewModel.error.observe(viewLifecycleOwner) { errMsgId ->
+            showToast(errMsgId)
+        }
     }
 
     private fun handleCheckBoxSelection(
@@ -219,6 +226,19 @@ class HomeFragment : Fragment(), OnOfferingClickListener {
         }
     }
 
+    private fun showToast(
+        @StringRes messageId: Int,
+    ) {
+        toast?.cancel()
+        toast =
+            Toast.makeText(
+                requireActivity(),
+                getString(messageId),
+                Toast.LENGTH_SHORT,
+            )
+        toast?.show()
+    }
+
     companion object {
         const val OFFERING_ID = "offering_id"
     }

android/app/src/main/java/com/zzang/chongdae/presentation/view/home/OfferingViewModel.kt

@@ -1,5 +1,6 @@
 package com.zzang.chongdae.presentation.view.home
 
+import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
@@ -12,6 +13,7 @@ import androidx.paging.PagingConfig
 import androidx.paging.PagingData
 import androidx.paging.cachedIn
 import androidx.paging.map
+import com.zzang.chongdae.R
 import com.zzang.chongdae.domain.model.Filter
 import com.zzang.chongdae.domain.model.FilterName
 import com.zzang.chongdae.domain.model.Offering
@@ -68,6 +70,9 @@ class OfferingViewModel(
     private val _offeringsRefreshEvent: MutableSingleLiveData<Unit> = MutableSingleLiveData()
     val offeringsRefreshEvent: SingleLiveData<Unit> get() = _offeringsRefreshEvent
 
+    private val _error: MutableSingleLiveData<Int> = MutableSingleLiveData()
+    val error: SingleLiveData<Int> get() = _error
+
     init {
         fetchOfferings()
         fetchFilters()
@@ -127,7 +132,14 @@ class OfferingViewModel(
                             authRepository.saveRefresh()
                             fetchFilters()
                         }
-                        else -> DataError.Network.UNKNOWN
+
+                        DataError.Network.BAD_REQUEST -> {
+                            _error.setValue(R.string.home_filter_error_message)
+                        }
+
+                        else -> {
+                            Log.e("error", "fetchFilters Error: ${result.error.name}")
+                        }
                     }
                 }
 
@@ -166,7 +178,14 @@ class OfferingViewModel(
                             authRepository.saveRefresh()
                             fetchUpdatedOffering(offeringId)
                         }
-                        else -> DataError.Network.UNKNOWN
+
+                        DataError.Network.BAD_REQUEST -> {
+                            _error.setValue(R.string.home_updated_offering_error_mesasge)
+                        }
+
+                        else -> {
+                            Log.e("error", "fetchUpdatedOffering Error: ${result.error.name}")
+                        }
                     }
                 }
 

android/app/src/main/java/com/zzang/chongdae/presentation/view/offeringdetail/OfferingDetailFragment.kt

@@ -6,6 +6,8 @@ import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
+import android.widget.Toast
+import androidx.annotation.StringRes
 import androidx.core.os.bundleOf
 import androidx.fragment.app.Fragment
 import androidx.fragment.app.setFragmentResult
@@ -21,6 +23,7 @@ import com.zzang.chongdae.presentation.view.home.HomeFragment
 class OfferingDetailFragment : Fragment() {
     private var _binding: FragmentOfferingDetailBinding? = null
     private val binding get() = _binding!!
+    private var toast: Toast? = null
     private val offeringId by lazy {
         arguments?.getLong(HomeFragment.OFFERING_ID)
             ?: throw IllegalArgumentException()
@@ -68,6 +71,10 @@ class OfferingDetailFragment : Fragment() {
         viewModel.reportEvent.observe(viewLifecycleOwner) { reportUrlId ->
             openUrlInBrowser(getString(reportUrlId))
         }
+
+        viewModel.error.observe(viewLifecycleOwner) { errMsgId ->
+            showToast(errMsgId)
+        }
     }
 
     private fun openUrlInBrowser(url: String) {
@@ -104,6 +111,19 @@ class OfferingDetailFragment : Fragment() {
         }
     }
 
+    private fun showToast(
+        @StringRes messageId: Int,
+    ) {
+        toast?.cancel()
+        toast =
+            Toast.makeText(
+                requireActivity(),
+                getString(messageId),
+                Toast.LENGTH_SHORT,
+            )
+        toast?.show()
+    }
+
     companion object {
         const val OFFERING_DETAIL_BUNDLE_KEY = "offering_detail_bundle_key"
         const val UPDATED_OFFERING_ID_KEY = "updated_offering_id"

android/app/src/main/java/com/zzang/chongdae/presentation/view/offeringdetail/OfferingDetailViewModel.kt

@@ -1,5 +1,6 @@
 package com.zzang.chongdae.presentation.view.offeringdetail
 
+import android.util.Log
 import androidx.lifecycle.LiveData
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.ViewModel
@@ -53,6 +54,9 @@ class OfferingDetailViewModel(
     private val _reportEvent: MutableSingleLiveData<Int> = MutableSingleLiveData()
     val reportEvent: SingleLiveData<Int> get() = _reportEvent
 
+    private val _error: MutableSingleLiveData<Int> = MutableSingleLiveData()
+    val error: SingleLiveData<Int> get() = _error
+
     init {
         loadOffering()
     }
@@ -66,7 +70,14 @@ class OfferingDetailViewModel(
                             authRepository.saveRefresh()
                             loadOffering()
                         }
-                        else -> DataError.Network.UNKNOWN
+
+                        DataError.Network.BAD_REQUEST -> {
+                            _error.setValue(R.string.offering_detail_load_error_mesage)
+                        }
+
+                        else -> {
+                            Log.e("error", "loadOffering Error: ${result.error.name}")
+                        }
                     }
 
                 is Result.Success -> {
@@ -91,7 +102,14 @@ class OfferingDetailViewModel(
                             authRepository.saveRefresh()
                             onClickParticipation()
                         }
-                        else -> DataError.Network.UNKNOWN
+
+                        DataError.Network.BAD_REQUEST -> {
+                            _error.setValue(R.string.offering_detail_participation_error)
+                        }
+
+                        else -> {
+                            Log.e("error", "onClickParticipation Error: ${result.error.name}")
+                        }
                     }
 
                 is Result.Success -> {

android/app/src/main/res/layout/fragment_home.xml

@@ -24,7 +24,7 @@
             android:layout_marginTop="28dp"
             android:backgroundTint="@color/main_color"
             android:fontFamily="@font/suit_medium"
-            android:hint="@string/main_search_hint_text"
+            android:hint="@string/home_search_hint_text"
             android:inputType="text"
             android:paddingStart="15dp"
             android:paddingEnd="30dp"

android/app/src/main/res/layout/fragment_offering_detail.xml

@@ -153,7 +153,7 @@
                         android:id="@+id/tv_product_link_comment"
                         style="@style/Theme.AppCompat.TextView.Bold.Gray900.Size16"
                         android:layout_marginTop="18dp"
-                        android:text="@string/detail_product_url_title"
+                        android:text="@string/offering_detail_product_url_title"
                         app:isVisible="@{vm.offeringDetail.productUrl != null}"
                         app:layout_constraintBottom_toTopOf="@id/horizon_line"
                         app:layout_constraintStart_toStartOf="@id/tv_title"
@@ -163,7 +163,7 @@
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:fontFamily="@font/suit_bold"
-                        android:text="@string/detail_product_url_text"
+                        android:text="@string/offering_detail_product_url_text"
                         android:textColor="@color/main_color"
                         android:textSize="16sp"
                         app:isVisible="@{vm.offeringDetail.productUrl != null}"
@@ -197,7 +197,7 @@
                         style="@style/Theme.AppCompat.TextView.Bold.Gray900.Size16"
                         android:layout_marginStart="8dp"
                         android:layout_marginTop="15dp"
-                        android:text="@string/detail_divided_money_title"
+                        android:text="@string/offering_detail_divided_money_title"
                         app:layout_constraintBottom_toBottomOf="@id/iv_money"
                         app:layout_constraintStart_toEndOf="@id/iv_money"
                         app:layout_constraintTop_toBottomOf="@id/horizon_line" />
@@ -222,7 +222,7 @@
                         android:layout_marginStart="5dp"
                         android:layout_marginTop="8dp"
                         android:fontFamily="@font/suit_medium"
-                        android:text="@{@string/total_price(vm.offeringDetail.totalPrice)}"
+                        android:text="@{@string/offering_detail_total_price(vm.offeringDetail.totalPrice)}"
                         android:textColor="@color/gray_500"
                         android:textSize="11sp"
                         app:layout_constraintBottom_toBottomOf="@id/tv_divided_price"
@@ -364,7 +364,7 @@
             android:background="@drawable/btn_participation_opened"
             android:fontFamily="@font/suit_medium"
             android:onClick="@{() -> vm.onClickMoveCommentDetail()}"
-            android:text="@string/detail_move_comment_detail"
+            android:text="@string/offering_detail_move_comment_detail"
             android:textColor="@color/white"
             app:isVisible="@{vm.isParticipated}"
             app:layout_constraintBottom_toBottomOf="parent"

android/app/src/main/res/layout/item_offering.xml

@@ -58,7 +58,7 @@
             app:layout_constraintStart_toStartOf="@id/iv_product"
             app:layout_constraintTop_toTopOf="@id/iv_product"
             app:offeringCondition="@{offering.status}"
-            tools:text="@string/main_offering_closed" />
+            tools:text="@string/home_offering_closed" />
 
         <TextView
             android:id="@+id/tv_offering_title"
@@ -109,7 +109,7 @@
             android:layout_marginBottom="17dp"
             android:ellipsize="end"
             android:maxLines="1"
-            android:text='@{offering.originPrice != null ? @string/strike_money_amount_text(offering.originPrice) : ""}'
+            android:text='@{offering.originPrice != null ? @string/all_money_amount_text(offering.originPrice) : ""}'
             app:layout_constraintBottom_toBottomOf="@id/tv_divided_price"
             app:layout_constraintStart_toStartOf="@id/tv_meeting_address"
             app:layout_constraintTop_toTopOf="@id/tv_divided_price" />
@@ -119,7 +119,7 @@
             android:layout_width="wrap_content"
             android:layout_height="wrap_content"
             android:layout_marginStart="5dp"
-            android:text='@{offering.originPrice != null ? @string/main_discount_rate_text(offering.calculateDiscountRate()) : ""}'
+            android:text='@{offering.originPrice != null ? @string/home_discount_rate_text(offering.calculateDiscountRate()) : ""}'
             android:textColor="@color/main_color"
             android:textSize="@dimen/size_13"
             android:textStyle="bold"