fix(map-plugin): cannot save because the value is null (#1309)

* fix: cannot save because the value is null

* test: update

packages/plugins/map/src/server/__tests__/fields.test.ts

@@ -143,7 +143,12 @@ describe('fields', () => {
 
   it('empty', async () => {
     const Test = await createCollection();
-    const model = await Test.model.create();
+    const model = await Test.model.create({
+      circle: null,
+      lineString: null,
+      point: null,
+      polygon: null,
+    });
     await model.save();
 
     const findOne = () =>

packages/plugins/map/src/server/fields/circle.ts

@@ -24,7 +24,8 @@ export class CircleField extends Field {
           }
         },
         set(value) {
-          if (isPg(context)) {
+          if (!value?.length) value = null
+          else if (isPg(context)) {
             value = value.join(',')
           }
           this.setDataValue(name, value)

packages/plugins/map/src/server/fields/lineString.ts

@@ -22,13 +22,14 @@ export class LineStringField extends Field {
           }
         },
         set(value) {
-          if (isPg(context)) {
+          if (!value?.length) value = null
+          else if (isPg(context)) {
             value = joinComma(value.map(joinComma))
           } else if (isMysql(context)) {
-            value = value?.length ? {
+            value = {
               type: 'LineString',
               coordinates: value
-            } : null
+            }
           }
           this.setDataValue(name, value)
         },

packages/plugins/map/src/server/fields/point.ts

@@ -25,13 +25,14 @@ export class PointField extends Field {
           }
         },
         set(value) {
-          if (isPg(context)) {
+          if (!value?.length) value = null
+          else if (isPg(context)) {
             value = joinComma(value)
           } else if (isMysql(context)) {
-            value = value?.length ? {
+            value = {
               type: 'Point',
               coordinates: value
-            } : null
+            }
           }
           this.setDataValue(name, value)
         },

packages/plugins/map/src/server/fields/polygon.ts

@@ -22,13 +22,14 @@ export class PolygonField extends Field {
           }
         },
         set(value) {
-          if (isPg(context)) {
+          if (!value?.length) value = null
-            value = value ? joinComma(value.map((item: any) => joinComma(item))) : null
+          else if (isPg(context)) {
+            value = joinComma(value.map((item: any) => joinComma(item)))
           } else if (isMysql(context)) {
-            value = value?.length ? {
+            value = {
               type: 'Polygon',
               coordinates: [value.concat([value[0]])]
-            } : null
+            }
           }
           this.setDataValue(name, value)
         },