我想创建一个删除功能,它将从Firebase中删除我的对象。使用AngularFire从Firebase中删除对象2
我有火力的结构如下:
recipes recipebooks recipesPerRecipebook
- id - id - recipebook_id
- id - id - recipe_id: true
我想做的事,当我点击删除我想从recipes
删除recipe_id
和也从recipesPerRecipebook/${recipebook_id}
我创建删除它是在我recipes.service.ts功能
deleteRecipe(recipe_id:string, recipebook_id:string) {
this.sdkDb.child('recipes').remove(recipe_id)
.then(
() => alert('recipe deletion requested !')
);
this.sdkDb.child('recipesPerRecipebook/${recipebook_id}').remove(recipe_id)
.then(
() => alert('recipe Association deletion requested !')
);
}
我再有这样的recipeDetails.component.ts
delete() {
this.recipesService.deleteRecipe(this.recipe.$key, this.recipe.recipebook_id);
}
我得到以下错误:
error_handler.js:54 Error: Firebase.remove failed: first argument must be a valid function.
我有两个问题,首先,最重要的我该怎么错在何处。其次做this.sdkdb.child(...
两次感觉有点错误和麻烦,我可以简化这?