Implement adding items to shopping list

app/app/src/main/java/tech/mercantec/easyeat/helpers/shopping_list.kt

@@ -0,0 +1,20 @@
+package tech.mercantec.easyeat.helpers
+
+import android.content.Context
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class ShoppingListItem(val id: Int, val name: String, val amount: Double?, val unit: String?, val checked: Boolean)
+
+fun getShoppingList(ctx: Context): Array<ShoppingListItem> {
+    return requestJson<Unit, Array<ShoppingListItem>>(ctx, "GET", "/api/ShoppingList/get", null)
+}
+
+@Serializable
+data class AddShoppingItemRequest(val name: String, val amount: Double?, val unit: String?, val checked: Boolean)
+
+fun addShoppingItem(ctx: Context, name: String, amount: Double?, unit: String?) {
+    val request = AddShoppingItemRequest(name, amount, unit, false)
+
+    requestJson<AddShoppingItemRequest, Boolean>(ctx, "POST", "/api/ShoppingList/add", request)
+}

app/app/src/main/java/tech/mercantec/easyeat/ui/shopping_list/ShoppingListFragment.kt

@@ -1,15 +1,21 @@
 package tech.mercantec.easyeat.ui.shopping_list
 
 import android.app.AlertDialog
+import android.app.Dialog
 import android.os.Bundle
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.ArrayAdapter
+import android.widget.EditText
 import android.widget.Spinner
+import android.widget.Toast
 import androidx.fragment.app.Fragment
 import tech.mercantec.easyeat.R
 import tech.mercantec.easyeat.databinding.FragmentShoppingListBinding
+import tech.mercantec.easyeat.helpers.ApiRequestException
+import tech.mercantec.easyeat.helpers.addShoppingItem
+import kotlin.concurrent.thread
 
 class ShoppingListFragment : Fragment() {
 
@@ -32,12 +38,33 @@ class ShoppingListFragment : Fragment() {
 
             val dialog = AlertDialog.Builder(activity)
                 .setView(view)
-                .setPositiveButton(R.string.add_label, { dialog, id ->
+                .setPositiveButton(R.string.add_label) { dialog, id ->
+                    val dialog = dialog as AlertDialog
 
-                })
+                    val amount = view.findViewById<EditText>(R.id.amount).text.toString().toDouble()
-                .setNegativeButton(R.string.cancel_label, { dialog, id ->
+                    val unit = view.findViewById<Spinner>(R.id.unit_selector).selectedItem.toString().ifEmpty { null }
+                    val name = view.findViewById<EditText>(R.id.name).text.toString()
+
+                    dialog.getButton(AlertDialog.BUTTON_POSITIVE).isEnabled = false
+                    dialog.getButton(AlertDialog.BUTTON_NEGATIVE).isEnabled = false
+
+                    thread {
+                        try {
+                            addShoppingItem(requireContext(), name, amount, unit)
+                        } catch (e: ApiRequestException) {
+                            activity?.runOnUiThread {
+                                Toast.makeText(context, e.message, Toast.LENGTH_LONG).show()
+                            }
+                        } finally {
+                            activity?.runOnUiThread {
+                                dialog.dismiss()
+                            }
+                        }
+                    }
+                }
+                .setNegativeButton(R.string.cancel_label) { dialog, _ ->
                     dialog.cancel()
-                })
+                }
                 .create()
 
             dialog.show()

app/app/src/main/res/layout/dialog_add_to_shopping_list.xml

@@ -30,12 +30,14 @@
         android:layout_height="wrap_content"
         android:layout_below="@id/amount_label"
         android:layout_alignParentStart="true"
+        android:inputType="numberDecimal"
+        android:importantForAutofill="no"
         android:hint="@string/ingredient_amount_hint"
     />
 
     <Spinner
         android:id="@+id/unit_selector"
-        android:layout_width="72dp"
+        android:layout_width="wrap_content"
         android:layout_height="wrap_content"
         android:layout_toEndOf="@id/amount"
         android:layout_below="@+id/amount_label"
@@ -57,6 +59,8 @@
         android:layout_below="@id/name_label"
         android:layout_toEndOf="@id/unit_selector"
         android:layout_alignParentEnd="true"
+        android:inputType="text"
+        android:importantForAutofill="no"
         android:hint="@string/ingredient_name_hint"
     />
 

app/app/src/main/res/values/strings.xml

@@ -39,6 +39,7 @@
     <string name="change_password_label">Change password</string>
     <string name="logout_label">Log out</string>
     <string-array name="units">
+        <item></item>
         <item>g</item>
         <item>kg</item>
         <item>ml</item>