Assign categories to expenses (#28)

* add expense categories

* set category to Payment for reimbursements

* Insert categories as part of the migration

* Display category groups

---------

Co-authored-by: Sebastien Castiel <sebastien@castiel.me>

src/lib/api.ts

@@ -48,6 +48,7 @@ export async function createExpense(
       id: randomId(),
       groupId,
       expenseDate: expenseFormValues.expenseDate,
+      categoryId: expenseFormValues.category,
       amount: expenseFormValues.amount,
       title: expenseFormValues.title,
       paidById: expenseFormValues.paidBy,
@@ -124,6 +125,7 @@ export async function updateExpense(
       expenseDate: expenseFormValues.expenseDate,
       amount: expenseFormValues.amount,
       title: expenseFormValues.title,
+      categoryId: expenseFormValues.category,
       paidById: expenseFormValues.paidBy,
       splitMode: expenseFormValues.splitMode,
       paidFor: {
@@ -207,11 +209,16 @@ export async function getGroup(groupId: string) {
   })
 }
 
+export async function getCategories() {
+  const prisma = await getPrisma()
+  return prisma.category.findMany()
+}
+
 export async function getGroupExpenses(groupId: string) {
   const prisma = await getPrisma()
   return prisma.expense.findMany({
     where: { groupId },
-    include: { paidFor: { include: { participant: true } }, paidBy: true },
+    include: { paidFor: { include: { participant: true } }, paidBy: true, category: true },
     orderBy: { expenseDate: 'desc' },
   })
 }
@@ -220,6 +227,6 @@ export async function getExpense(groupId: string, expenseId: string) {
   const prisma = await getPrisma()
   return prisma.expense.findUnique({
     where: { id: expenseId },
-    include: { paidBy: true, paidFor: true },
+    include: { paidBy: true, paidFor: true, category: true },
   })
 }

src/lib/schemas.ts

@@ -45,6 +45,7 @@ export const expenseFormSchema = z
     title: z
       .string({ required_error: 'Please enter a title.' })
       .min(2, 'Enter at least two characters.'),
+    category: z.coerce.number().default(0),
     amount: z
       .union(
         [