feat(电子发票): 修复旧版发票读取与重复提示

assets/webui/ofdgo.css

@@ -1935,6 +1935,11 @@ body[data-hide-meta] .meta-panel {
 }
 
 @media (max-width: 600px) {
+	.invoice-dialog #settingsActions .button {
+		min-width: calc(2em + 18px);
+		padding-inline: 8px;
+	}
+
 	.invoice-dialog #settingsStatus {
 		order: 3;
 		flex-basis: 100%;

assets/webui/ofdgo.js

@@ -5555,6 +5555,7 @@ async function loadDocumentSettings() {
 	settings.busy = true;
 	settingsElements.Form.inert = true;
 	settingsElements.Status.textContent = "正在读取信息";
+	settingsElements.Status.title = "";
 	try {
 		if (kind === "invoices") { await loadInvoiceSettings(sequence, openSeq); return; }
 		const data = ["bookmarks", "actions", "extensions"].includes(kind) ? await callWASM("ofdgoDocumentNavigation", kind) : {};
@@ -5742,12 +5743,24 @@ function invoiceSetValue(invoice, field, item, value) {
 	target[keys.at(-1)] = value;
 }
 
-function invoiceIssues(issues) {
-	return (issues || []).map(issue => typeof issue === "string" ? issue : [issue.field, issue.message || issue.code].filter(Boolean).join("：")).join("\n");
+function invoiceIssues(issues, details = false) {
+	const messages = {
+		"unsupported invoice XML root or version": "暂不支持此发票格式或版本",
+		"unsupported eInvoice namespace or version": "暂不支持此发票格式或版本",
+		"unsupported EInvoice version": "暂不支持此发票版本",
+		"EInvoice requires a unique versioned Header": "发票头信息不完整"
+	};
+	return [...new Set((issues || []).map(issue => {
+		const message = typeof issue === "string" ? issue : issue.message || issue.code;
+		if (typeof issue === "string") return details ? message : messages[message] || message;
+		if (details) return [issue.source?.fileLoc || issue.source?.id || issue.source?.kind, issue.source?.nodePath, issue.field, message].filter(Boolean).join("：");
+		return [issue.field, messages[message] || message].filter(Boolean).join("：");
+	}).filter(Boolean))].join("\n");
 }
 
 function renderInvoiceSettings() {
 	const context = settingsElements.Context, content = settingsElements.Content;
+	settingsElements.Status.title = "";
 	const draft = invoiceCurrent();
 	const sources = [...new Map(invoicePanel.entries.map(entry => [invoiceSourceKey(entry.source), entry.source])).entries()];
 	if (sources.length) settingsSelect(context, "来源", "InvoiceSource", sources.map(([key, source]) => [key, source.fileLoc || source.id || source.kind]), draft?.entry ? invoiceSourceKey(draft.entry.source) : null, value => {
@@ -5775,6 +5788,7 @@ function renderInvoiceSettings() {
 	}
 	if (!draft) {
 		settingsElements.Status.textContent = invoiceIssues(invoicePanel.issues) || "暂无发票";
+		settingsElements.Status.title = invoiceIssues(invoicePanel.issues, true);
 		return;
 	}
 	const tabs = document.createElement("div");
@@ -5821,6 +5835,7 @@ function renderInvoiceSettings() {
 		}, !draft.detail.capabilities?.delete, "InvoiceDelete");
 	}
 	settingsElements.Status.textContent = draft.status || invoiceIssues(draft.detail.issues) || "";
+	if (!draft.status) settingsElements.Status.title = invoiceIssues(draft.detail.issues, true);
 }
 
 async function newInvoiceDraft() {
@@ -5854,10 +5869,12 @@ function renderInvoiceBasic(container, draft) {
 		grid.className = "settings-grid";
 		container.append(title, grid);
 		for (const field of fields.filter(field => field.group === group)) {
-			invoiceInput(grid, labels[field.field.split(".").at(-1)] || field.label, `Field_${field.field.replaceAll(".", "_")}`, invoiceValue(draft.invoice, field.field), value => {
+			const value = invoiceValue(draft.invoice, field.field);
+			const display = field.field === "standard" && value === "http://www.edrm.org.cn/schema/e-invoice/2019" ? "电子发票/2019" : value;
+			invoiceInput(grid, labels[field.field.split(".").at(-1)] || field.label, `Field_${field.field.replaceAll(".", "_")}`, display, value => {
 				invoiceSetValue(draft.invoice, field.field, -1, value);
 				invoiceDirty(draft, "model");
-			}, !state.editing || !(field.editable || !draft.entry && field.field === "currency" && draft.invoice.standard !== "EInvoice") || !!draft.entry && !draft.detail.capabilities?.edit).title = field.label;
+			}, !state.editing || !(field.editable || !draft.entry && field.field === "currency" && draft.invoice.standard !== "EInvoice") || !!draft.entry && !draft.detail.capabilities?.edit).title = display !== value ? value : field.label;
 		}
 	}
 	if (draft.entry && state.editing) invoiceInput(container, "同步", "Synchronize", draft.synchronize, value => { draft.synchronize = value; }, !draft.detail.capabilities?.sync, "checkbox").title = draft.detail.capabilities?.reasons?.sync || "同步票面";
@@ -5926,7 +5943,7 @@ function renderInvoiceAdvanced(container, draft) {
 
 function renderInvoiceItems(container, draft) {
 	const items = draft.invoice.items ||= [];
-	const editable = state.editing && (!draft.entry ? invoicePanel.formats.find(value => value.kind === draft.invoice.kind && value.standard === draft.invoice.standard && value.version === draft.invoice.version)?.items : draft.detail.capabilities?.items);
+	const editable = state.editing && (!draft.entry ? invoicePanel.formats.find(value => value.kind === draft.invoice.kind && value.standard === draft.invoice.standard && value.version === draft.invoice.version)?.items : draft.detail.capabilities?.edit && draft.detail.capabilities?.items);
 	draft.item = Math.max(0, Math.min(draft.item, items.length - 1));
 	const columns = [["name", "名称"], ["specification", "规格"], ["unit", "单位"], ["quantity", "数量"], ["unitPrice", "单价"], ["amount", "金额"], ["taxRate", "税率"], ["taxAmount", "税额"]];
 	const scroll = document.createElement("div"), table = document.createElement("table");
@@ -6277,10 +6294,11 @@ function resetInvoiceDraft(draft) {
 }
 
 function renderInvoiceXML(container, draft) {
+	const writable = state.editing && (!draft.entry || draft.detail.capabilities?.edit);
 	invoiceInput(container, "原文", "XML", draft.xml, value => {
 		draft.xml = value;
 		invoiceDirty(draft, "xml");
-	}, !state.editing, "textarea").rows = 14;
+	}, !writable, "textarea").rows = 14;
 	const actions = document.createElement("div");
 	actions.className = "invoice-actions";
 	container.append(actions);
@@ -6289,7 +6307,7 @@ function renderInvoiceXML(container, draft) {
 		if (!draft.entry) draft.importing = true;
 		invoiceDirty(draft, "xml");
 		renderDocumentSettings();
-	}), false, "InvoiceLoadXML", actions);
+	}), !writable, "InvoiceLoadXML", actions);
 	settingsButton("导出", async () => {
 		const result = await callWASM("ofdgoExportInvoice", JSON.stringify({ ...draft.scope, source: draft.entry.source, index: draft.entry.index }));
 		downloadBytes(result.bytes, "application/xml", (draft.entry.source.fileLoc?.split("/").at(-1) || "invoice.xml"));

ofdgo_editor_invoice.go

@@ -105,7 +105,7 @@ func (r *Reader) InvoiceCapabilities(ctx context.Context, source InvoiceSource,
 	format, known := invoiceWriteFormat(report.Invoices[index])
 	result.Create = known && format.Create
 	result.Edit = known && format.Edit
-	result.Items = known && format.Items
+	result.Items = result.Edit && format.Items
 	result.Bind = known
 	result.Generate = known
 	result.Delete = true

ofdgo_invoice_write.go

@@ -205,10 +205,11 @@ func InvoiceFields(value Invoice) []InvoiceFieldDescriptor {
 	return result
 }
 
-// InvoiceFormats 返回独立格式能力副本，历史航空格式仅允许读取和原位修改
+// InvoiceFormats 返回独立格式能力副本，创建及编辑能力按业务版本分别声明
 // 返回: 已适配格式列表
 func InvoiceFormats() []InvoiceFormat {
 	result := []InvoiceFormat{{Kind: "einv", Standard: "EInvoice", Version: "0.3", Read: true, Create: true, Edit: true, Items: true}}
+	result = append(result, InvoiceFormat{Kind: "inv", Standard: invoiceEDRM, Version: "1.0", Read: true, Items: true})
 	for _, kind := range []string{"inv", "einv", "atr", "rai"} {
 		result = append(result, InvoiceFormat{Kind: kind, Standard: "http://xbrl.mof.gov.cn/taxonomy/2023-12-31/" + kind, Version: "2023-12-31", Read: true, Create: true, Edit: true, Items: kind == "inv" || kind == "atr"})
 	}
@@ -914,6 +915,10 @@ func PatchInvoice(ctx context.Context, data []byte, changes []InvoiceFieldChange
 	}
 	allowed := map[string]bool{}
 	for _, inv := range report.Invoices {
+		format, supported := invoiceWriteFormat(inv)
+		if !supported || !format.Edit {
+			continue
+		}
 		for _, f := range inv.Facts {
 			if f.Namespace != invoiceXBRL {
 				allowed[f.Source.NodePath] = true
@@ -1176,6 +1181,9 @@ func UpdateInvoiceXML(ctx context.Context, data []byte, invoiceIndex int, value
 	if reflect.DeepEqual(old, value) {
 		return bytes.Clone(data), nil
 	}
+	if format, supported := invoiceWriteFormat(old); !supported || !format.Edit {
+		return nil, fmt.Errorf("invoice format does not support editing")
+	}
 	if value.Kind != old.Kind || value.Standard != old.Standard || value.Version != old.Version {
 		return nil, fmt.Errorf("invoice update cannot change format")
 	}

ofdgo_invoice_xml.go

@@ -34,6 +34,9 @@ const invoiceXBRL = "http://www.xbrl.org/2003/instance"
 // invoiceXSI 表示XMLSchema实例命名空间
 const invoiceXSI = "http://www.w3.org/2001/XMLSchema-instance"
 
+// invoiceEDRM 表示2019版电子发票业务命名空间
+const invoiceEDRM = "http://www.edrm.org.cn/schema/e-invoice/2019"
+
 // invoiceDecimalPattern 仅接受XML十进制词法
 var invoiceDecimalPattern = regexp.MustCompile(`^[+-]?(?:[0-9]+(?:\.[0-9]*)?|\.[0-9]+)$`)
 
@@ -249,7 +252,10 @@ func parseInvoiceXML(ctx context.Context, data []byte, source InvoiceSource) (In
 	issue := func(code, field, msg string, s InvoiceSource) {
 		report.Issues = append(report.Issues, InvoiceIssue{Code: code, Field: field, Message: msg, Source: s})
 	}
-	if root.name == (xml.Name{Local: "EInvoice"}) {
+	if source.Kind == "tag" && invoiceObjectReferences(root) {
+		return report, nil
+	}
+	if root.name == (xml.Name{Local: "EInvoice"}) || root.name.Local == "eInvoice" && (root.name.Space == "" || root.name.Space == invoiceEDRM) {
 		return invoicePlainXML(ctx, root, source)
 	}
 	if root.name != (xml.Name{Space: invoiceXBRL, Local: "xbrl"}) {
@@ -955,11 +961,50 @@ func invoiceAmountCheck(inv *Invoice, report *InvoiceReport, source InvoiceSourc
 	}
 }
 
-// invoicePlainXML 解析官方数电发票指南中的无命名空间0.3版本
+// invoiceObjectReferences 识别由对象引用及对象数据构成的票面标引
+// 入参: root 标引根节点
+// 返回: bool 是否为纯对象映射
+func invoiceObjectReferences(root *invoiceXMLNode) bool {
+	count := 0
+	var walk func(*invoiceXMLNode) bool
+	walk = func(n *invoiceXMLNode) bool {
+		if n.name.Space == ofdNamespace2016 || n.name.Space == ofdNamespaceLegacy || n.name.Space == "ofd" || n.name.Space == invoiceEDRM {
+			if n.name.Local == "ObjectRef" {
+				count++
+				return len(n.children) == 0 && strings.TrimSpace(n.text.String()) != "" && invoiceXMLAttr(n, "", "PageRef") != ""
+			}
+			if n.name.Local == "ObjectData" {
+				return len(n.children) == 0
+			}
+		}
+		if strings.TrimSpace(n.text.String()) != "" {
+			return false
+		}
+		for _, child := range n.children {
+			if !walk(child) {
+				return false
+			}
+		}
+		return true
+	}
+	return walk(root) && count > 0
+}
+
+// invoicePlainXML 解析数电发票0.3及2019版电子发票XML
 // 入参: ctx 上下文，root 根节点，source 来源
 // 返回: 发票及诊断，取消错误
 func invoicePlainXML(ctx context.Context, root *invoiceXMLNode, source InvoiceSource) (InvoiceReport, error) {
 	report := InvoiceReport{}
+	inv := Invoice{Kind: "einv", Standard: "EInvoice", Version: "0.3", Sources: []InvoiceSource{source}}
+	namespace, itemPath := "", "/EInvoice/EInvoiceData/IssuItemInformation"
+	if root.name.Local == "eInvoice" {
+		if invoiceXMLAttr(root, "", "Version") != "1.0" || len(invoiceChildren(root, invoiceEDRM, "InvoiceNo")) == 0 {
+			report.Issues = append(report.Issues, InvoiceIssue{Code: "unsupported", Message: "unsupported eInvoice namespace or version", Source: source})
+			return report, nil
+		}
+		inv.Kind, inv.Standard, inv.Version = "inv", invoiceEDRM, "1.0"
+		namespace, itemPath = invoiceEDRM, "/eInvoice/GoodsInfos/GoodsInfo"
+	} else {
 		headers := invoiceChildren(root, "", "Header")
 		if len(headers) != 1 {
 			report.Issues = append(report.Issues, InvoiceIssue{Code: "unsupported", Message: "EInvoice requires a unique versioned Header", Source: source})
@@ -970,7 +1015,7 @@ func invoicePlainXML(ctx context.Context, root *invoiceXMLNode, source InvoiceSo
 			report.Issues = append(report.Issues, InvoiceIssue{Code: "unsupported", Field: "Version", Message: "unsupported EInvoice version", Source: source})
 			return report, nil
 		}
-	inv := Invoice{Kind: "einv", Standard: "EInvoice", Version: "0.3", Sources: []InvoiceSource{source}}
+	}
 	seen := map[string]InvoiceFact{}
 	blocked := map[string]bool{}
 	var walk func(*invoiceXMLNode, string, *InvoiceItem) error
@@ -979,10 +1024,10 @@ func invoicePlainXML(ctx context.Context, root *invoiceXMLNode, source InvoiceSo
 			return err
 		}
 		path += "/" + n.name.Local
-		if n.name.Space != "" {
+		if n != root && n.name.Space != namespace {
 			path = "!" + path
 		}
-		if path == "/EInvoice/EInvoiceData/IssuItemInformation" {
+		if path == itemPath {
 			inv.Items = append(inv.Items, InvoiceItem{})
 			item = &inv.Items[len(inv.Items)-1]
 		}
@@ -1007,6 +1052,9 @@ func invoicePlainXML(ctx context.Context, root *invoiceXMLNode, source InvoiceSo
 			return nil
 		}
 		dst, numeric := invoicePlainField(&inv, item, path)
+		if inv.Standard == invoiceEDRM {
+			dst, numeric = invoiceEDRMField(&inv, item, path)
+		}
 		if dst == nil {
 			return nil
 		}
@@ -1039,11 +1087,67 @@ func invoicePlainXML(ctx context.Context, root *invoiceXMLNode, source InvoiceSo
 	if err := walk(root, "", nil); err != nil {
 		return InvoiceReport{}, err
 	}
+	if inv.Standard == invoiceEDRM && inv.Date != "" {
+		if date, err := time.Parse("2006年01月02日", inv.Date); err == nil {
+			inv.Date = date.Format("2006-01-02")
+		}
+	}
 	invoiceAmountCheck(&inv, &report, source)
 	report.Invoices = append(report.Invoices, inv)
 	return report, nil
 }
 
+// invoiceEDRMField 按2019版电子发票路径映射公共字段，合并信息保留原始事实
+// 入参: inv 发票，item 当前明细，path 命名空间已校验的路径
+// 返回: 字段地址及数值标志
+func invoiceEDRMField(inv *Invoice, item *InvoiceItem, path string) (*string, bool) {
+	switch path {
+	case "/eInvoice/InvoiceCode":
+		return &inv.Code, false
+	case "/eInvoice/InvoiceNo":
+		return &inv.Number, false
+	case "/eInvoice/IssueDate":
+		return &inv.Date, false
+	case "/eInvoice/Buyer/BuyerName":
+		return &inv.Buyer.Name, false
+	case "/eInvoice/Buyer/BuyerTaxID":
+		return &inv.Buyer.TaxID, false
+	case "/eInvoice/Seller/SellerName":
+		return &inv.Seller.Name, false
+	case "/eInvoice/Seller/SellerTaxID":
+		return &inv.Seller.TaxID, false
+	case "/eInvoice/TaxExclusiveTotalAmount":
+		return &inv.Amount, true
+	case "/eInvoice/TaxTotalAmount":
+		return &inv.TaxAmount, true
+	case "/eInvoice/TaxInclusiveTotalAmount":
+		return &inv.TotalAmount, true
+	case "/eInvoice/Note":
+		return &inv.Remarks, false
+	}
+	if item != nil && strings.HasPrefix(path, "/eInvoice/GoodsInfos/GoodsInfo/") {
+		switch strings.TrimPrefix(path, "/eInvoice/GoodsInfos/GoodsInfo/") {
+		case "Item":
+			return &item.Name, false
+		case "Specification":
+			return &item.Specification, false
+		case "MeasurementDimension":
+			return &item.Unit, false
+		case "Quantity":
+			return &item.Quantity, true
+		case "Price":
+			return &item.UnitPrice, true
+		case "Amount":
+			return &item.Amount, true
+		case "TaxScheme":
+			return &item.TaxRate, false
+		case "TaxAmount":
+			return &item.TaxAmount, true
+		}
+	}
+	return nil, false
+}
+
 // invoicePlainField 按官方样例中的完整路径映射字段
 // 入参: inv 发票，item 当前明细，path 完整无命名空间路径
 // 返回: 字段地址及数值标志