fix: improves collections load

packages/plugin-collections/src/hooks/fields-after-create.ts

@@ -5,7 +5,7 @@ export default async function (model: FieldModel, options: any = {}) {
   const Collection = model.database.getModel('collections');
   if (model.get('interface') === 'subTable') {
     const target = model.get('target');
-    if (target) {
+    if (target && !model.database.isDefined(target)) {
       await Collection.import({
         name: target,
         internal: true,
@@ -16,11 +16,4 @@ export default async function (model: FieldModel, options: any = {}) {
   if (migrate) {
     await model.migrate(options);
   }
-  // if (model.get('collection_name') && model.get('parent_id')) {
-  //   const parent = await model.getParent({
-  //     ...options,
-  //   });
-  //   const Collection = model.database.getModel('collections');
-  //   await Collection.load({...options, where: {name: parent.get('collection_name')}});
-  // }
 }

packages/plugin-collections/src/hooks/fields-after-update.ts

@@ -5,11 +5,4 @@ export default async function (model: FieldModel, options: any = {}) {
   if (migrate) {
     await model.migrate(options);
   }
-  // if (model.get('collection_name') && model.get('parent_id')) {
-  //   const parent = await model.getParent({
-  //     ...options,
-  //   });
-  //   const Collection = model.database.getModel('collections');
-  //   await Collection.load({...options, where: {name: parent.get('collection_name')}});
-  // }
 }

packages/plugin-collections/src/models/collection.ts

@@ -23,6 +23,7 @@ export function generateCollectionName(title?: string): string {
 export interface LoadOptions {
   reset?: boolean;
   where?: any;
+  skipExisting?: boolean;
   [key: string]: any;
 }
 
@@ -59,24 +60,25 @@ export class CollectionModel extends BaseModel {
     // table 是初始化和重新初始化
     const table = this.database.table({...prevOptions, ...options});
     // 如果关系表未加载，一起处理
-    const associationTableNames = [];
-    for (const [key, association] of table.getAssociations()) {
-      // TODO：是否需要考虑重载的情况？（暂时是跳过处理）
-      // if (!this.database.isDefined(association.options.target)) {
-      //   continue;
-      // }
-      associationTableNames.push(association.options.target);
-    }
-    if (associationTableNames.length) {
-      await CollectionModel.load({
-        ...opts,
-        where: {
-          name: {
-            [Op.in]: associationTableNames,
-          }
-        }
-      });
-    }
+    // const associationTableNames = [];
+    // for (const [key, association] of table.getAssociations()) {
+    //   // TODO：是否需要考虑重载的情况？（暂时是跳过处理）
+    //   if (!this.database.isDefined(association.options.target)) {
+    //     continue;
+    //   }
+    //   associationTableNames.push(association.options.target);
+    // }
+    // console.log({associationTableNames});
+    // if (associationTableNames.length) {
+    //   await CollectionModel.load({
+    //     ...opts,
+    //     where: {
+    //       name: {
+    //         [Op.in]: associationTableNames,
+    //       }
+    //     }
+    //   });
+    // }
     return table;
   }
 
@@ -115,12 +117,15 @@ export class CollectionModel extends BaseModel {
    * @param options 
    */
   static async load(options: LoadOptions = {}) {
-    const { reset = false, where = {}, transaction } = options;
+    const { skipExisting = false, reset = false, where = {}, transaction } = options;
     const collections = await this.findAll({
       transaction,
       where,
     });
     for (const collection of collections) {
+      if (skipExisting && this.database.isDefined(collection.get('name'))) {
+        continue;
+      }
       await collection.loadTableOptions({
         transaction,
         reset,

packages/plugin-collections/src/models/field.ts

@@ -31,12 +31,34 @@ export class FieldModel extends BaseModel {
       // @ts-ignore
       data = merge(...args);
       if (['hasOne', 'hasMany', 'belongsTo', 'belongsToMany'].includes(data.type)) {
+        // 关系字段如果没有 name，相关参数都随机生成
         if (!data.name) {
           data.name = generateFieldName();
+          // 通用，关系表
           if (!data.target) {
             data.target  = generateCollectionName();
           }
+          // 通用，外键
+          if (!data.foreignKey) {
+            data.foreignKey = generateFieldName();
+          }
+          if (data.type !== 'belongsTo' && !data.sourceKey) {
+            data.sourceKey = 'id';
+          }
+          if (['belongsTo', 'belongsToMany'].includes(data.type) && !data.targetKey) {
+            data.targetKey = 'id';
+          }
+          // 多对多关联
+          if (data.type === 'belongsToMany') {
+            if (!data.through) {
+              data.through = generateCollectionName();
+            }
+            if (!data.otherKey) {
+              data.otherKey = generateFieldName();
+            }
+          }
         }
+        // 有 name，但是没有 target
         if (!data.target) {
           data.target = ['hasOne', 'belongsTo'].includes(data.type) ? Utils.pluralize(data.name) : data.name;
         }
@@ -77,24 +99,8 @@ export class FieldModel extends BaseModel {
     if (!collectionName) {
       return false;
     }
-    const Collection = this.database.getModel('collections');
-    if (this.get('interface') === 'linkTo') {
-      // afterCreate 时 target 表不知道为什么丢失了，需要重新加载
-      const target = this.get('target');
-      if (!this.database.isDefined(target)) {
-        await Collection.load({
-          ...options,
-          where: {
-            name: target,
-          }
-        });
-      }
-      // const table = this.getTable(target);
-      // console.log(model.get('target'), typeof table);
-    }
-    // 如果 database 未定义，load 出来
     if (!this.database.isDefined(collectionName)) {
-      await Collection.load({where: {name: collectionName}});
+      throw new Error(`${collectionName} is not defined`);
     }
     const table = this.database.getTable(collectionName);
     table.addField(await this.getOptions());

packages/plugin-collections/src/server.ts

@@ -33,11 +33,14 @@ export default async function (this: Application, options = {}) {
       Model.addHook(hookKey, hooks[modelName][hookKey]);
     });
   });
-  try {
-    // 加载数据库表 collections 中已经保存的表配置
-    // 如果未 sync 可能报错
-    // TODO collections sync
-    // await database.getModel('collections').load();
-  } catch (error) {
-  }
+
+  let initialized = false;
+
+  this.use(async (ctx, next) => {
+    if (!initialized) {
+      await database.getModel('collections').load({skipExisting: true});
+      initialized = true;
+    }
+    await next();
+  });
 }

packages/plugin-pages/src/server.ts

@@ -68,7 +68,7 @@ export default async function (options = {}) {
   Collection.addHook('afterUpdate', createCollectionPage);
   Collection.addHook('afterDestroy', async (model, options) => {
     const { transaction } = options;
-    console.log('afterDestroy', model);
+    // console.log('afterDestroy', model);
     await Page.destroy({
       transaction,
       where: {
@@ -127,7 +127,6 @@ export default async function (options = {}) {
     await transaction.commit();
   }
   View.addHook('beforeValidate', (model) => {
-    console.log('beforeValidate');
     if (model.get('default')) {
       model.set('showInDataMenu', true);
     }