Add recurring expense functionality

messages/de-DE.json

@@ -136,6 +136,15 @@
         "label": "Empfangen von",
         "description": "Wähle das Mitglied, das die Einnahme erhalten hat."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Empfangen für",
         "description": "Wähle für wen die Einnahme empfangen wurde."

messages/en-US.json

@@ -160,6 +160,15 @@
         "label": "Paid by",
         "description": "Select the participant who paid the expense."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Paid for",
         "description": "Select who the expense was paid for."

messages/es.json

@@ -136,6 +136,15 @@
         "label": "Recibido por",
         "description": "Seleccione el participante que recibió los ingresos."
       },
+      "recurrenceRule": {
+        "label": "Recurrencia del gasto",
+        "description": "Seleccione con qué frecuencia debe repetirse el gasto.",
+
+        "none": "Ninguno",
+        "daily": "Diario",
+        "weekly": "Semanal",
+        "monthly": "Mensual"
+      },
       "paidFor": {
         "title": "Recibido para for",
         "description": "Seleccione para quién se recibió el ingreso."

messages/fi.json

@@ -136,6 +136,15 @@
         "label": "Vastaanottaja",
         "description": "Valitse kuka vastaanotti tulon."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Tulon jakaminen",
         "description": "Valitse kenelle tulo jaetaan."

messages/fr-FR.json

@@ -136,6 +136,15 @@
         "label": "Reçu par",
         "description": "Sélectionnez le participant qui a reçu le revenu."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Reçu pour",
         "description": "Sélectionnez pour qui le revenu a été reçu."

messages/it-IT.json

@@ -136,6 +136,15 @@
         "label": "Ricevuto da",
         "description": "Seleziona partecipante che ha ricevuto l'entrata."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Ricevuto per",
         "description": "Seleziona per chi è stato ricevuta l'entrata."

messages/pl-PL.json

@@ -136,6 +136,15 @@
         "label": "Otrzymane przez",
         "description": "Wybierz członka, który otrzymał wpływ."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Otrzymany dla",
         "description": "Podaj dla kogo wpływ był przeznaczony."

messages/ro.json

@@ -127,6 +127,15 @@
         "placeholder": "Cina de luni seară",
         "description": "Adaugă o descriere pentru venit."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "DateField": {
         "label": "Data venitului",
         "description": "Adaugă data la care venitul a fost primit."

messages/ru-RU.json

@@ -136,6 +136,15 @@
         "label": "Получивший",
         "description": "Выберите участника, который получил этот доход."
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Участники",
         "description": "Выберите тех, между кем этот доход будет распределен."

messages/ua-UA.json

@@ -136,6 +136,15 @@
         "label": "Отримав",
         "description": "Оберіть учасника, який отримав дохід"
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "Учасники",
         "description": "Виберіть тих, між ким цей дохід буде розподілено"

messages/zh-CN.json

@@ -136,6 +136,15 @@
         "label": "接收到",
         "description": "选择接收到这笔收入的群组成员。"
       },
+      "recurrenceRule": {
+        "label": "Expense Recurrence",
+        "description": "Select how often the expense should repeat.",
+
+        "none": "None",
+        "daily": "Daily",
+        "weekly": "Weekly",
+        "monthly": "Monthly"
+      },
       "paidFor": {
         "title": "接收给",
         "description": "选择收入是为谁而收。"

prisma/migrations/20241103205027_add_recurring_expenses/migration.sql

@@ -0,0 +1,29 @@
+-- CreateEnum
+CREATE TYPE "RecurrenceRule" AS ENUM ('NONE', 'DAILY', 'WEEKLY', 'MONTHLY');
+
+-- AlterTable
+ALTER TABLE "Expense" ADD COLUMN     "recurrenceRule" "RecurrenceRule" DEFAULT 'NONE',
+ADD COLUMN     "recurringExpenseLinkId" TEXT;
+
+-- CreateTable
+CREATE TABLE "RecurringExpenseLink" (
+    "id" TEXT NOT NULL,
+    "groupId" TEXT NOT NULL,
+    "currentFrameExpenseId" TEXT NOT NULL,
+    "nextExpenseCreatedAt" TIMESTAMP(3),
+    "nextExpenseDate" TIMESTAMP(3) NOT NULL,
+
+    CONSTRAINT "RecurringExpenseLink_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "RecurringExpenseLink_currentFrameExpenseId_key" ON "RecurringExpenseLink"("currentFrameExpenseId");
+
+-- CreateIndex
+CREATE INDEX "RecurringExpenseLink_groupId_idx" ON "RecurringExpenseLink"("groupId");
+
+-- CreateIndex
+CREATE INDEX "RecurringExpenseLink_groupId_nextExpenseCreatedAt_nextExpen_idx" ON "RecurringExpenseLink"("groupId", "nextExpenseCreatedAt", "nextExpenseDate" DESC);
+
+-- AddForeignKey
+ALTER TABLE "RecurringExpenseLink" ADD CONSTRAINT "RecurringExpenseLink_currentFrameExpenseId_fkey" FOREIGN KEY ("currentFrameExpenseId") REFERENCES "Expense"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/schema.prisma

@@ -55,6 +55,10 @@ model Expense {
   createdAt       DateTime          @default(now())
   documents       ExpenseDocument[]
   notes           String?
+
+  recurrenceRule  RecurrenceRule?    @default(NONE)
+  recurringExpenseLink RecurringExpenseLink?
+  recurringExpenseLinkId String?
 }
 
 model ExpenseDocument {
@@ -73,6 +77,29 @@ enum SplitMode {
   BY_AMOUNT
 }
 
+model RecurringExpenseLink {
+  id String @id
+  groupId   String
+  currentFrameExpense Expense @relation(fields: [currentFrameExpenseId], references: [id], onDelete: Cascade)
+  currentFrameExpenseId String @unique
+
+  // Note: We do not want to link to the next expense because once it is created, it should be 
+  // treated as it's own independent entity. This means that if a user wants to delete an Expense
+  // and any prior related recurring expenses, they'll need to delete them one by one.
+  nextExpenseCreatedAt DateTime?
+  nextExpenseDate DateTime
+
+  @@index([groupId])
+  @@index([groupId, nextExpenseCreatedAt, nextExpenseDate(sort: Desc)])
+}
+
+enum RecurrenceRule {
+  NONE
+  DAILY
+  WEEKLY
+  MONTHLY
+}
+
 model ExpensePaidFor {
   expense       Expense     @relation(fields: [expenseId], references: [id], onDelete: Cascade)
   participant   Participant @relation(fields: [participantId], references: [id], onDelete: Cascade)

src/app/groups/[groupId]/expenses/expense-form.tsx

@@ -53,6 +53,7 @@ import { match } from 'ts-pattern'
 import { DeletePopup } from '../../../../components/delete-popup'
 import { extractCategoryFromTitle } from '../../../../components/expense-form-actions'
 import { Textarea } from '../../../../components/ui/textarea'
+import { RecurrenceRule } from '@prisma/client'
 
 const enforceCurrencyPattern = (value: string) =>
   value
@@ -165,6 +166,10 @@ export function ExpenseForm({
     }
     return field?.value
   }
+
+  const getSelectedRecurrenceRule = (field?: { value: string }) => {
+    return field?.value as RecurrenceRule
+  }
   const defaultSplittingOptions = getDefaultSplittingOptions(group)
   const form = useForm<ExpenseFormValues>({
     resolver: zodResolver(expenseFormSchema),
@@ -184,6 +189,7 @@ export function ExpenseForm({
           isReimbursement: expense.isReimbursement,
           documents: expense.documents,
           notes: expense.notes ?? '',
+          recurrenceRule: expense.recurrenceRule,
         }
       : searchParams.get('reimbursement')
       ? {
@@ -207,6 +213,7 @@ export function ExpenseForm({
           saveDefaultSplittingOptions: false,
           documents: [],
           notes: '',
+          recurrenceRule: RecurrenceRule.NONE,
         }
       : {
           title: searchParams.get('title') ?? '',
@@ -234,6 +241,7 @@ export function ExpenseForm({
               ]
             : [],
           notes: '',
+          recurrenceRule: RecurrenceRule.NONE,
         },
   })
   const [isCategoryLoading, setCategoryLoading] = useState(false)
@@ -494,6 +502,43 @@ export function ExpenseForm({
                 </FormItem>
               )}
             />
+            <FormField
+              control={form.control}
+              name="recurrenceRule"
+              render={({ field }) => (
+                <FormItem className="sm:order-5">
+                  <FormLabel>{t(`${sExpense}.recurrenceRule.label`)}</FormLabel>
+                  <Select
+                    onValueChange={(value) => {
+                      form.setValue('recurrenceRule', value as RecurrenceRule)
+                    }}
+                    defaultValue={getSelectedRecurrenceRule(field)}
+                  >
+                    <SelectTrigger>
+                      <SelectValue placeholder="NONE"/>
+                    </SelectTrigger>
+                    <SelectContent>
+                      <SelectItem value="NONE">
+                        {t(`${sExpense}.recurrenceRule.none`)}
+                      </SelectItem>
+                      <SelectItem value="DAILY">
+                        {t(`${sExpense}.recurrenceRule.daily`)}
+                      </SelectItem>
+                      <SelectItem value="WEEKLY">
+                        {t(`${sExpense}.recurrenceRule.weekly`)}
+                      </SelectItem>
+                      <SelectItem value="MONTHLY">
+                        {t(`${sExpense}.recurrenceRule.monthly`)}
+                      </SelectItem>
+                    </SelectContent>
+                  </Select>
+                  <FormDescription>
+                    {t(`${sExpense}.recurrenceRule.description`)}
+                  </FormDescription>
+                  <FormMessage />
+                </FormItem>
+              )}
+            />
           </CardContent>
         </Card>
 

src/app/groups/[groupId]/expenses/export/json/route.ts

@@ -22,6 +22,7 @@ export async function GET(
           paidFor: { select: { participantId: true, shares: true } },
           isReimbursement: true,
           splitMode: true,
+          recurrenceRule: true,
         },
       },
       participants: { select: { id: true, name: true } },