package jnpf.onlinedev.util;
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import com.fasterxml.jackson.databind.JsonNode;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.fasterxml.jackson.databind.node.ObjectNode;
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import jnpf.exception.DataException;
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import jnpf.model.visualjson.FieLdsModel;
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import jnpf.onlinedev.model.FormDisplaySchema;
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import jnpf.util.JsonUtil;
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import lombok.RequiredArgsConstructor;
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import org.springframework.stereotype.Service;
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import java.util.*;
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/** Converts published form values through the platform's existing lookup engine. */
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@Service
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@RequiredArgsConstructor
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public class FormDisplayValueService {
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private final OnlineSwapDataUtils converter;
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private static final ObjectMapper JSON = new ObjectMapper();
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public Map<String, Object> convert(String formId, String configuration, Map<String, Object> raw) {
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List<FormDisplaySchema.Field> fields = FormDisplaySchema.parse(configuration);
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List<FieLdsModel> models = new ArrayList<>();
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Map<String, List<FieLdsModel>> children = new LinkedHashMap<>();
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for (FormDisplaySchema.Field field : fields) {
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if (!field.isSupported()) continue;
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ObjectNode config = (ObjectNode) field.getConfiguration().deepCopy();
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config.put("__vModel__", field.getColumn());
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// Approval-page display values use dates, independent of the form editor format.
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if (Set.of("datePicker", "dateCalculate", "createTime", "modifyTime").contains(field.getType()))
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config.put("format", "yyyy-MM-dd");
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if (field.getType().isEmpty()) ((ObjectNode) config.with("__config__")).put("jnpfKey", "input");
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FieLdsModel model = JsonUtil.getJsonToBean(config.toString(), FieLdsModel.class);
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if (field.getTable().isEmpty()) models.add(model);
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else children.computeIfAbsent(field.getTable(), k -> new ArrayList<>()).add(model);
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}
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for (Map.Entry<String, List<FieLdsModel>> table : children.entrySet()) {
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FieLdsModel model = JsonUtil.getJsonToBean("{\"__vModel__\":\"" + table.getKey()
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+ "\",\"__config__\":{\"jnpfKey\":\"table\"}}", FieLdsModel.class);
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model.getConfig().setChildren(table.getValue());
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models.add(model);
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}
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Map<String, Object> data = JsonUtil.stringToMap(JsonUtil.getObjectToString(raw));
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for (String table : children.keySet()) {
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Object value = data.get(table);
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if (value instanceof String) {
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try { data.put(table, JsonUtil.getJsonToListMap((String) value)); }
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catch (Exception e) { throw new DataException("子表数据格式错误: " + table); }
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}
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}
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List<Map<String, Object>> rows = new ArrayList<>();
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rows.add(data);
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converter.getSwapInfoStrict(rows, models, formId);
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// Strict lookup validation in OnlineSwapDataUtils rejects missing selected IDs.
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// Also reject silent fallback/empty results from relation/popup resolvers.
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JsonNode before = JSON.valueToTree(raw), after = JSON.valueToTree(data);
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for (FormDisplaySchema.Field field : fields) {
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if (!field.isSupported() || !field.isReference()) continue;
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if (field.getTable().isEmpty()) check(field, before.get(field.getColumn()), after.get(field.getColumn()));
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else {
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JsonNode oldRows = before.path(field.getTable());
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if (oldRows.isTextual()) {
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try { oldRows = JSON.readTree(oldRows.asText()); }
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catch (Exception e) { throw new DataException("子表数据格式错误: " + field.getTable()); }
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}
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for (int i = 0; i < oldRows.size(); i++) check(field, oldRows.path(i).get(field.getColumn()),
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after.path(field.getTable()).path(i).get(field.getColumn()));
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}
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}
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return data;
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}
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private void check(FormDisplaySchema.Field field, JsonNode raw, JsonNode display) {
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if (raw == null || raw.isNull() || raw.isArray() && raw.isEmpty()
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|| raw.isTextual() && (raw.asText().isBlank() || "[]".equals(raw.asText()))) return;
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if (display == null || display.isNull() || !display.isValueNode() || display.asText().isBlank())
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throw new DataException("无法解析字段显示值: " + field.getLabel() + " (" + field.getPath() + ")");
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if (Set.of("relationForm", "popupSelect", "popupTableSelect").contains(field.getType()) && display.equals(raw))
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throw new DataException("关联字段未返回显示文本: " + field.getLabel());
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}
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}
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