diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/mapper/InvoiceMapper.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/mapper/InvoiceMapper.kt
index d4d5b6f..7fabfb4 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/mapper/InvoiceMapper.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/mapper/InvoiceMapper.kt
@@ -1,10 +1,12 @@
 package com.example.shoestoreapp.features.invoice.data.mapper
 
-import com.example.shoestoreapp.features.invoice.data.remote.Item
+import com.example.shoestoreapp.features.invoice.data.remote.DetailDto
+import com.example.shoestoreapp.features.invoice.data.remote.ItemDto
+import com.example.shoestoreapp.features.invoice.model.Detail
 import com.example.shoestoreapp.features.invoice.model.Invoice
 import com.example.shoestoreapp.features.invoice.model.InvoiceStatus
 
-fun Item.toDomain() : Invoice {
+fun ItemDto.toDomain() : Invoice {
     return Invoice(
         orderCode = this.orderCode ?: "",
         userName = this.username ?: "Empty",
@@ -20,4 +22,15 @@ fun Item.toDomain() : Invoice {
         createdAt = this.dateCreated,
         finalPrice = this.finalPrice
     )
+}
+
+fun DetailDto.toDomain() : Detail {
+    return Detail(
+        color = this.color ?: "",
+        imageUrl = this.imageUrl ?: "",
+        productName = this.productName ?: "",
+        quantity = this.quantity ?: 0,
+        size = this.size ?: 0,
+        unitPrice = this.unitPrice ?: 0
+    )
 }
\ No newline at end of file
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/DetailDto.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/DetailDto.kt
new file mode 100644
index 0000000..29d570c
--- /dev/null
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/DetailDto.kt
@@ -0,0 +1,19 @@
+package com.example.shoestoreapp.features.invoice.data.remote
+
+
+import com.google.gson.annotations.SerializedName
+
+data class DetailDto(
+    @SerializedName("color")
+    val color: String?,
+    @SerializedName("imageUrl")
+    val imageUrl: String?,
+    @SerializedName("productName")
+    val productName: String?,
+    @SerializedName("quantity")
+    val quantity: Int?,
+    @SerializedName("size")
+    val size: Int?,
+    @SerializedName("unitPrice")
+    val unitPrice: Int?
+)
\ No newline at end of file
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceApi.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceApi.kt
index 07dd5ee..8be71f4 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceApi.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceApi.kt
@@ -9,7 +9,7 @@ import retrofit2.http.Query
 
 interface InvoiceApi {
     @GET ("api/invoice/admin/get-all")
-    suspend fun getallInvoices(
+    suspend fun getAllInvoices(
         @Query("PageNumber") pageNumber: Int = 1,
         @Query("PageSize") pageSize: Int = 10
         ): Response<InvoiceListDto>
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceDetailsDto.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceDetailsDto.kt
index c176c56..14ba91c 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceDetailsDto.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceDetailsDto.kt
@@ -5,7 +5,7 @@ import com.google.gson.annotations.SerializedName
 
 data class InvoiceDetailsDto(
     @SerializedName("data")
-    val `data`: List<Data?>?,
+    val detailDto: List<DetailDto>?,
     @SerializedName("message")
     val message: String?
 )
\ No newline at end of file
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceListDto.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceListDto.kt
index 73f1403..00d892b 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceListDto.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/InvoiceListDto.kt
@@ -9,7 +9,7 @@ data class InvoiceListDto(
     @SerializedName("hasPrevious")
     val hasPrevious: Boolean?,
     @SerializedName("items")
-    val item: List<Item>?,
+    val itemDto: List<ItemDto>?,
     @SerializedName("pageNumber")
     val pageNumber: String?,
     @SerializedName("pageSize")
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/Item.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/ItemDto.kt
similarity index 97%
rename from Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/Item.kt
rename to Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/ItemDto.kt
index 3e8bf76..5bb4f6e 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/Item.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/remote/ItemDto.kt
@@ -3,7 +3,7 @@ package com.example.shoestoreapp.features.invoice.data.remote
 
 import com.google.gson.annotations.SerializedName
 
-data class Item(
+data class ItemDto(
     @SerializedName("address")
     val address: String?,
     @SerializedName("dateCreated")
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/repositories/InvoiceRepositoryImpl.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/repositories/InvoiceRepositoryImpl.kt
new file mode 100644
index 0000000..4a44e5f
--- /dev/null
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/data/repositories/InvoiceRepositoryImpl.kt
@@ -0,0 +1,36 @@
+package com.example.shoestoreapp.features.invoice.data.repositories
+
+import com.example.shoestoreapp.features.invoice.data.remote.InvoiceApi
+import com.example.shoestoreapp.features.invoice.data.mapper.toDomain
+import com.example.shoestoreapp.features.invoice.data.remote.UpdateStatusRequestDto
+import com.example.shoestoreapp.features.invoice.model.Invoice
+import com.example.shoestoreapp.features.invoice.model.Detail
+class InvoiceRepositoryImpl (private val api : InvoiceApi) {
+    suspend fun getAllInvoices(): Result<List<Invoice>> = runCatching {
+        val response = api.getAllInvoices(pageNumber = 1, pageSize = 10)
+        if (response.isSuccessful) {
+            val dtos = response.body()?.itemDto ?: emptyList()
+            dtos.map { it.toDomain() }
+        } else {
+            throw Exception("Lỗi API: ${response.code()} - ${response.message()}")
+        }
+    }
+
+    suspend fun updateInvoiceStatus(invoiceGuid: String, status: Int): Result<Unit> = runCatching {
+        val request = UpdateStatusRequestDto(status = status)
+        val response = api.updateInvoiceStatus(invoiceGuid, request)
+        if (!response.isSuccessful) {
+            throw Exception("Lỗi update : ${response.code()} - ${response.message()}")
+        }
+    }
+
+    suspend fun getInvoiceDetails(invoiceGuid: String): Result<List<Detail>> = runCatching {
+        val response = api.getInvoiceDetails(invoiceGuid)
+        if (response.isSuccessful) {
+            val dtos = response.body()?.detailDto ?: emptyList()
+            dtos.map { it.toDomain() }
+        } else {
+            throw Exception("Lỗi : ${response.code()} - ${response.message()}")
+        }
+    }
+}
\ No newline at end of file
diff --git a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/model/InvoiceModels.kt b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/model/InvoiceModels.kt
index 5342047..a2a4858 100644
--- a/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/model/InvoiceModels.kt
+++ b/Frontend/app/src/main/java/com/example/shoestoreapp/features/invoice/model/InvoiceModels.kt
@@ -16,6 +16,15 @@ data class Invoice(
     val createdAt: String?,
     val finalPrice: String?,
 )
+// Data Details
+data class Detail (
+    val color: String,
+    val imageUrl: String,
+    val productName: String,
+    val quantity: Int,
+    val size: Int,
+    val unitPrice: Int
+)
 
 fun InvoiceStatus.displayName(): String {
     return when (this) {