Enables currency selection for expenses

Allows users to select a currency when adding an expense.

Fetches available currencies from the backend and displays them
in a dropdown menu, defaulting to EUR if the fetch fails.
The expense submission process now includes the selected currency.

src/modules/expenses/components/AddExpense.vue

@@ -80,7 +80,7 @@
           <!-- Amount -->
           <FormField v-slot="{ componentField }" name="amount">
             <FormItem>
-              <FormLabel>Amount (EUR) *</FormLabel>
+              <FormLabel>Amount *</FormLabel>
               <FormControl>
                 <Input
                   type="number"
@@ -91,7 +91,34 @@
                 />
               </FormControl>
               <FormDescription>
-                Amount in Euros
+                Amount in selected currency
+              </FormDescription>
+              <FormMessage />
+            </FormItem>
+          </FormField>
+
+          <!-- Currency -->
+          <FormField v-slot="{ componentField }" name="currency">
+            <FormItem>
+              <FormLabel>Currency *</FormLabel>
+              <Select v-bind="componentField">
+                <FormControl>
+                  <SelectTrigger>
+                    <SelectValue placeholder="Select currency" />
+                  </SelectTrigger>
+                </FormControl>
+                <SelectContent>
+                  <SelectItem
+                    v-for="currency in availableCurrencies"
+                    :key="currency"
+                    :value="currency"
+                  >
+                    {{ currency }}
+                  </SelectItem>
+                </SelectContent>
+              </Select>
+              <FormDescription>
+                Currency for this expense
               </FormDescription>
               <FormMessage />
             </FormItem>
@@ -179,7 +206,7 @@
 </template>
 
 <script setup lang="ts">
-import { ref, computed } from 'vue'
+import { ref, computed, onMounted } from 'vue'
 import { useForm } from 'vee-validate'
 import { toTypedSchema } from '@vee-validate/zod'
 import * as z from 'zod'
@@ -195,6 +222,13 @@ import {
   FormLabel,
   FormMessage,
 } from '@/components/ui/form'
+import {
+  Select,
+  SelectContent,
+  SelectItem,
+  SelectTrigger,
+  SelectValue,
+} from '@/components/ui/select'
 import { DollarSign, X, ChevronLeft, Loader2 } from 'lucide-vue-next'
 import { injectService, SERVICE_TOKENS } from '@/core/di-container'
 import { useAuth } from '@/composables/useAuthService'
@@ -220,12 +254,15 @@ const toast = useToast()
 const currentStep = ref(1)
 const selectedAccount = ref<Account | null>(null)
 const isSubmitting = ref(false)
+const availableCurrencies = ref<string[]>([])
+const loadingCurrencies = ref(true)
 
 // Form schema
 const formSchema = toTypedSchema(
   z.object({
     description: z.string().min(1, 'Description is required').max(500, 'Description too long'),
-    amount: z.coerce.number().min(0.01, 'Amount must be at least €0.01'),
+    amount: z.coerce.number().min(0.01, 'Amount must be at least 0.01'),
+    currency: z.string().min(1, 'Currency is required'),
     reference: z.string().max(100, 'Reference too long').optional(),
     isEquity: z.boolean().default(false)
   })
@@ -237,6 +274,7 @@ const form = useForm({
   initialValues: {
     description: '',
     amount: 0,
+    currency: 'EUR',
     reference: '',
     isEquity: false
   }
@@ -245,6 +283,24 @@ const form = useForm({
 const { resetForm, meta } = form
 const isFormValid = computed(() => meta.value.valid)
 
+/**
+ * Fetch available currencies on component mount
+ */
+onMounted(async () => {
+  try {
+    loadingCurrencies.value = true
+    const currencies = await expensesAPI.getCurrencies()
+    availableCurrencies.value = currencies
+    console.log('[AddExpense] Loaded currencies:', currencies)
+  } catch (error) {
+    console.error('[AddExpense] Failed to load currencies:', error)
+    toast.error('Failed to load currencies', { description: 'Please check your connection and try again' })
+    availableCurrencies.value = []
+  } finally {
+    loadingCurrencies.value = false
+  }
+})
+
 /**
  * Handle account selection
  */
@@ -280,7 +336,7 @@ const onSubmit = form.handleSubmit(async (values) => {
       is_equity: values.isEquity,
       user_wallet: wallet.id,
       reference: values.reference,
-      currency: 'EUR'
+      currency: values.currency
     })
 
     // Show success message

src/modules/expenses/services/ExpensesAPI.ts

@@ -207,4 +207,25 @@ export class ExpensesAPI extends BaseService {
       throw error
     }
   }
+
+  /**
+   * Get available currencies from LNbits instance
+   */
+  async getCurrencies(): Promise<string[]> {
+    try {
+      const response = await fetch(`${this.baseUrl}/api/v1/currencies`, {
+        method: 'GET',
+        signal: AbortSignal.timeout(this.config?.apiConfig?.timeout || 30000)
+      })
+
+      if (!response.ok) {
+        throw new Error(`Failed to fetch currencies: ${response.statusText}`)
+      }
+
+      return await response.json()
+    } catch (error) {
+      console.error('[ExpensesAPI] Error fetching currencies:', error)
+      throw error
+    }
+  }
 }