refactor(puzzle): 重构元素DTO及新增元素基类

- 将ElementCreateRequest和PuzzleElementDTO中的elementType从Integer改为String
- 删除所有类型特定字段，新增config和configMap支持JSON配置
- 新增BaseElement抽象基类定义元素通用行为
- 添加ElementConfig接口和具体实现类ImageConfig、TextConfig
- 创建ElementFactory工厂类和ElementRegistrar注册器
- 新增ElementType枚举和ElementValidationException异常类
- 实现ImageElement和TextElement具体元素类
- 添加Position位置信息封装类

src/main/resources/mapper/PuzzleElementMapper.xml

@@ -3,13 +3,15 @@
     "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 <mapper namespace="com.ycwl.basic.puzzle.mapper.PuzzleElementMapper">
 
-    <!-- 结果映射 -->
+    <!-- 结果映射（重构版） -->
     <resultMap id="BaseResultMap" type="com.ycwl.basic.puzzle.entity.PuzzleElementEntity">
         <id column="id" property="id"/>
         <result column="template_id" property="templateId"/>
         <result column="element_type" property="elementType"/>
         <result column="element_key" property="elementKey"/>
         <result column="element_name" property="elementName"/>
+        <result column="config" property="config"/>
+        <!-- 位置和布局属性 -->
         <result column="x_position" property="xPosition"/>
         <result column="y_position" property="yPosition"/>
         <result column="width" property="width"/>
@@ -17,32 +19,17 @@
         <result column="z_index" property="zIndex"/>
         <result column="rotation" property="rotation"/>
         <result column="opacity" property="opacity"/>
-        <result column="default_image_url" property="defaultImageUrl"/>
-        <result column="image_fit_mode" property="imageFitMode"/>
-        <result column="border_radius" property="borderRadius"/>
-        <result column="default_text" property="defaultText"/>
-        <result column="font_family" property="fontFamily"/>
-        <result column="font_size" property="fontSize"/>
-        <result column="font_color" property="fontColor"/>
-        <result column="font_weight" property="fontWeight"/>
-        <result column="font_style" property="fontStyle"/>
-        <result column="text_align" property="textAlign"/>
-        <result column="line_height" property="lineHeight"/>
-        <result column="max_lines" property="maxLines"/>
-        <result column="text_decoration" property="textDecoration"/>
+        <!-- 元数据 -->
         <result column="create_time" property="createTime"/>
         <result column="update_time" property="updateTime"/>
         <result column="deleted" property="deleted"/>
         <result column="deleted_at" property="deletedAt"/>
     </resultMap>
 
-    <!-- 基础列 -->
+    <!-- 基础列（重构版） -->
     <sql id="Base_Column_List">
-        id, template_id, element_type, element_key, element_name,
+        id, template_id, element_type, element_key, element_name, config,
         x_position, y_position, width, height, z_index, rotation, opacity,
-        default_image_url, image_fit_mode, border_radius,
-        default_text, font_family, font_size, font_color, font_weight, font_style,
-        text_align, line_height, max_lines, text_decoration,
         create_time, update_time, deleted, deleted_at
     </sql>
 
@@ -62,55 +49,44 @@
         ORDER BY z_index ASC, id ASC
     </select>
 
-    <!-- 插入 -->
+    <!-- 插入（重构版） -->
     <insert id="insert" parameterType="com.ycwl.basic.puzzle.entity.PuzzleElementEntity"
             useGeneratedKeys="true" keyProperty="id">
         INSERT INTO puzzle_element (
-            template_id, element_type, element_key, element_name,
+            template_id, element_type, element_key, element_name, config,
             x_position, y_position, width, height, z_index, rotation, opacity,
-            default_image_url, image_fit_mode, border_radius,
-            default_text, font_family, font_size, font_color, font_weight, font_style,
-            text_align, line_height, max_lines, text_decoration,
             create_time, update_time, deleted
         ) VALUES (
-            #{templateId}, #{elementType}, #{elementKey}, #{elementName},
+            #{templateId}, #{elementType}, #{elementKey}, #{elementName}, #{config},
             #{xPosition}, #{yPosition}, #{width}, #{height}, #{zIndex}, #{rotation}, #{opacity},
-            #{defaultImageUrl}, #{imageFitMode}, #{borderRadius},
-            #{defaultText}, #{fontFamily}, #{fontSize}, #{fontColor}, #{fontWeight}, #{fontStyle},
-            #{textAlign}, #{lineHeight}, #{maxLines}, #{textDecoration},
             NOW(), NOW(), 0
         )
     </insert>
 
-    <!-- 批量插入 -->
+    <!-- 批量插入（重构版） -->
     <insert id="batchInsert">
         INSERT INTO puzzle_element (
-            template_id, element_type, element_key, element_name,
+            template_id, element_type, element_key, element_name, config,
             x_position, y_position, width, height, z_index, rotation, opacity,
-            default_image_url, image_fit_mode, border_radius,
-            default_text, font_family, font_size, font_color, font_weight, font_style,
-            text_align, line_height, max_lines, text_decoration,
             create_time, update_time, deleted
         ) VALUES
         <foreach collection="list" item="item" separator=",">
         (
-            #{item.templateId}, #{item.elementType}, #{item.elementKey}, #{item.elementName},
+            #{item.templateId}, #{item.elementType}, #{item.elementKey}, #{item.elementName}, #{item.config},
             #{item.xPosition}, #{item.yPosition}, #{item.width}, #{item.height}, #{item.zIndex}, #{item.rotation}, #{item.opacity},
-            #{item.defaultImageUrl}, #{item.imageFitMode}, #{item.borderRadius},
-            #{item.defaultText}, #{item.fontFamily}, #{item.fontSize}, #{item.fontColor}, #{item.fontWeight}, #{item.fontStyle},
-            #{item.textAlign}, #{item.lineHeight}, #{item.maxLines}, #{item.textDecoration},
             NOW(), NOW(), 0
         )
         </foreach>
     </insert>
 
-    <!-- 更新 -->
+    <!-- 更新（重构版） -->
     <update id="update" parameterType="com.ycwl.basic.puzzle.entity.PuzzleElementEntity">
         UPDATE puzzle_element
         <set>
             <if test="elementType != null">element_type = #{elementType},</if>
             <if test="elementKey != null">element_key = #{elementKey},</if>
             <if test="elementName != null">element_name = #{elementName},</if>
+            <if test="config != null">config = #{config},</if>
             <if test="xPosition != null">x_position = #{xPosition},</if>
             <if test="yPosition != null">y_position = #{yPosition},</if>
             <if test="width != null">width = #{width},</if>
@@ -118,19 +94,6 @@
             <if test="zIndex != null">z_index = #{zIndex},</if>
             <if test="rotation != null">rotation = #{rotation},</if>
             <if test="opacity != null">opacity = #{opacity},</if>
-            <if test="defaultImageUrl != null">default_image_url = #{defaultImageUrl},</if>
-            <if test="imageFitMode != null">image_fit_mode = #{imageFitMode},</if>
-            <if test="borderRadius != null">border_radius = #{borderRadius},</if>
-            <if test="defaultText != null">default_text = #{defaultText},</if>
-            <if test="fontFamily != null">font_family = #{fontFamily},</if>
-            <if test="fontSize != null">font_size = #{fontSize},</if>
-            <if test="fontColor != null">font_color = #{fontColor},</if>
-            <if test="fontWeight != null">font_weight = #{fontWeight},</if>
-            <if test="fontStyle != null">font_style = #{fontStyle},</if>
-            <if test="textAlign != null">text_align = #{textAlign},</if>
-            <if test="lineHeight != null">line_height = #{lineHeight},</if>
-            <if test="maxLines != null">max_lines = #{maxLines},</if>
-            <if test="textDecoration != null">text_decoration = #{textDecoration},</if>
             update_time = NOW()
         </set>
         WHERE id = #{id} AND deleted = 0