product sync

sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/dto/MultilangStringDeserializer.java

@@ -0,0 +1,43 @@
+package com.teterialosjuanjos.tfg.sync_service.integration.prestashop.dto;
+
+import com.fasterxml.jackson.core.JsonParser;
+import com.fasterxml.jackson.core.JsonToken;
+import com.fasterxml.jackson.databind.DeserializationContext;
+import com.fasterxml.jackson.databind.JsonDeserializer;
+import com.fasterxml.jackson.databind.JsonNode;
+
+import java.io.IOException;
+
+/**
+ * Handles PrestaShop's multilingual fields, which the webservice returns as either:
+ * <ul>
+ *   <li>A plain string: {@code "Product Name"}</li>
+ *   <li>A language array: {@code [{"id":"1","value":"Product Name"},...]}</li>
+ * </ul>
+ * Extracts the {@code value} of the first language entry, or returns the string as-is.
+ */
+public class MultilangStringDeserializer extends JsonDeserializer<String> {
+
+    @Override
+    public String deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
+        if (p.currentToken() == JsonToken.VALUE_STRING) {
+            return p.getText();
+        }
+        if (p.currentToken() == JsonToken.START_ARRAY) {
+            String first = null;
+            while (p.nextToken() != JsonToken.END_ARRAY) {
+                if (p.currentToken() == JsonToken.START_OBJECT && first == null) {
+                    JsonNode node = p.readValueAsTree();
+                    if (node.has("value")) {
+                        first = node.get("value").asText(null);
+                    }
+                } else {
+                    p.skipChildren();
+                }
+            }
+            return first;
+        }
+        p.skipChildren();
+        return null;
+    }
+}

sync-service/src/main/java/com/teterialosjuanjos/tfg/sync_service/integration/prestashop/dto/PrestashopProductDto.java

@@ -3,6 +3,7 @@ package com.teterialosjuanjos.tfg.sync_service.integration.prestashop.dto;
 import com.fasterxml.jackson.annotation.JsonIgnoreProperties;
 import com.fasterxml.jackson.annotation.JsonInclude;
 import com.fasterxml.jackson.annotation.JsonProperty;
+import com.fasterxml.jackson.databind.annotation.JsonDeserialize;
 
 import java.util.List;
 
@@ -27,9 +28,10 @@ public record PrestashopProductDto(
         /** "1" = active, "0" = inactive */
         String active,
         @JsonProperty("id_category_default") String idCategoryDefault,
-        String name,
+        @JsonDeserialize(using = MultilangStringDeserializer.class) String name,
-        String description,
+        @JsonDeserialize(using = MultilangStringDeserializer.class) String description,
-        @JsonProperty("description_short") String descriptionShort
+        @JsonProperty("description_short")
+        @JsonDeserialize(using = MultilangStringDeserializer.class) String descriptionShort
 ) {
 
     /** Envelope for {@code GET /api/products?display=full} */