BREAKING: postgres + saas

app/(app)/import/csv/actions.tsx

@@ -0,0 +1,68 @@
+"use server"
+
+import { getCurrentUser } from "@/lib/auth"
+import { EXPORT_AND_IMPORT_FIELD_MAP } from "@/models/export_and_import"
+import { createTransaction } from "@/models/transactions"
+import { parse } from "@fast-csv/parse"
+import { revalidatePath } from "next/cache"
+
+export async function parseCSVAction(prevState: any, formData: FormData) {
+  const file = formData.get("file") as File
+  if (!file) {
+    return { success: false, error: "No file uploaded" }
+  }
+
+  if (!file.name.toLowerCase().endsWith(".csv")) {
+    return { success: false, error: "Only CSV files are allowed" }
+  }
+
+  try {
+    const buffer = Buffer.from(await file.arrayBuffer())
+    const rows: string[][] = []
+
+    const parser = parse()
+      .on("data", (row) => rows.push(row))
+      .on("error", (error) => {
+        throw error
+      })
+    parser.write(buffer)
+    parser.end()
+
+    // Wait for parsing to complete
+    await new Promise((resolve) => parser.on("end", resolve))
+
+    return { success: true, data: rows }
+  } catch (error) {
+    console.error("Error parsing CSV:", error)
+    return { success: false, error: "Failed to parse CSV file" }
+  }
+}
+
+export async function saveTransactionsAction(prevState: any, formData: FormData) {
+  const user = await getCurrentUser()
+  try {
+    const rows = JSON.parse(formData.get("rows") as string) as Record<string, unknown>[]
+
+    for (const row of rows) {
+      const transactionData: Record<string, unknown> = {}
+      for (const [fieldCode, value] of Object.entries(row)) {
+        const fieldDef = EXPORT_AND_IMPORT_FIELD_MAP[fieldCode]
+        if (fieldDef?.import) {
+          transactionData[fieldCode] = await fieldDef.import(user.id, value as string)
+        } else {
+          transactionData[fieldCode] = value as string
+        }
+      }
+
+      await createTransaction(user.id, transactionData)
+    }
+
+    revalidatePath("/import/csv")
+    revalidatePath("/transactions")
+
+    return { success: true }
+  } catch (error) {
+    console.error("Error saving transactions:", error)
+    return { success: false, error: "Failed to save transactions: " + error }
+  }
+}