Attach documents to expenses (#64)

* Upload documents to receipts

* Improve documents

* Make the feature opt-in

* Fix file name issue

prisma/migrations/20240126214121_add_document_urls/migration.sql

@@ -0,0 +1,2 @@
+-- AlterTable
+ALTER TABLE "Expense" ADD COLUMN     "documentUrls" TEXT[] DEFAULT ARRAY[]::TEXT[];

prisma/migrations/20240128192510_update_document_urls/migration.sql

@@ -0,0 +1,9 @@
+/*
+  Warnings:
+
+  - The `documentUrls` column on the `Expense` table would be dropped and recreated. This will lead to data loss if there is data in the column.
+
+*/
+-- AlterTable
+ALTER TABLE "Expense" DROP COLUMN "documentUrls",
+ADD COLUMN     "documentUrls" JSONB[] DEFAULT ARRAY[]::JSONB[];

prisma/migrations/20240128193431_update_documents/migration.sql

@@ -0,0 +1,20 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `documentUrls` on the `Expense` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "Expense" DROP COLUMN "documentUrls";
+
+-- CreateTable
+CREATE TABLE "ExpenseDocument" (
+    "id" TEXT NOT NULL,
+    "url" TEXT NOT NULL,
+    "expenseId" TEXT,
+
+    CONSTRAINT "ExpenseDocument_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "ExpenseDocument" ADD CONSTRAINT "ExpenseDocument_expenseId_fkey" FOREIGN KEY ("expenseId") REFERENCES "Expense"("id") ON DELETE SET NULL ON UPDATE CASCADE;

prisma/migrations/20240128202400_add_doc_info/migration.sql

@@ -0,0 +1,10 @@
+/*
+  Warnings:
+
+  - Added the required column `height` to the `ExpenseDocument` table without a default value. This is not possible if the table is not empty.
+  - Added the required column `width` to the `ExpenseDocument` table without a default value. This is not possible if the table is not empty.
+
+*/
+-- AlterTable
+ALTER TABLE "ExpenseDocument" ADD COLUMN     "height" INTEGER NOT NULL,
+ADD COLUMN     "width" INTEGER NOT NULL;

prisma/schema.prisma

@@ -37,20 +37,30 @@ model Category {
 }
 
 model Expense {
-  id              String           @id
-  group           Group            @relation(fields: [groupId], references: [id], onDelete: Cascade)
-  expenseDate     DateTime         @default(dbgenerated("CURRENT_DATE")) @db.Date
+  id              String            @id
+  group           Group             @relation(fields: [groupId], references: [id], onDelete: Cascade)
+  expenseDate     DateTime          @default(dbgenerated("CURRENT_DATE")) @db.Date
   title           String
-  category        Category?        @relation(fields: [categoryId], references: [id])
-  categoryId      Int              @default(0)
+  category        Category?         @relation(fields: [categoryId], references: [id])
+  categoryId      Int               @default(0)
   amount          Int
-  paidBy          Participant      @relation(fields: [paidById], references: [id], onDelete: Cascade)
+  paidBy          Participant       @relation(fields: [paidById], references: [id], onDelete: Cascade)
   paidById        String
   paidFor         ExpensePaidFor[]
   groupId         String
-  isReimbursement Boolean          @default(false)
-  splitMode       SplitMode        @default(EVENLY)
-  createdAt       DateTime         @default(now())
+  isReimbursement Boolean           @default(false)
+  splitMode       SplitMode         @default(EVENLY)
+  createdAt       DateTime          @default(now())
+  documents       ExpenseDocument[]
+}
+
+model ExpenseDocument {
+  id        String   @id
+  url       String
+  width     Int
+  height    Int
+  Expense   Expense? @relation(fields: [expenseId], references: [id])
+  expenseId String?
 }
 
 enum SplitMode {