pfservice | Products File Service | REST library
kandi X-RAY | pfservice Summary
kandi X-RAY | pfservice Summary
Products File Service is a simple micro service which can be used as a backend for a simple products catalog applications. This service is file based where every product is described with simple separete yaml configuration file. Every category contains products which are folders with product description yaml file and folder with images. Changing product category is very easy with just moving the product folder with everything inside in other category folder and updating the category products yaml configuration file with the new product. After modification we need to restart the service or using the browser to open the url for rebuilding data model using secret key defined in main service configuration yaml file and the service will load the new data model ready for serving the clients. This service is not yet production ready but it can be freely used as a testing mockup service for mobile / web / desktop apps.
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QUESTION
I have a problem in Ionic/Firebase with a value of validator in a reactive form. In particular I have this 2 function below that check if a username in a realtime database of firebase exists. The 2 functions return a Promise boolean:
...ANSWER
Answered 2021-Jun-03 at 12:07You were close, but you've mixed different syntaxes in your attempts to fix the problem which has lead to confusion.
One other thing that is leading you into trouble, is confusing the two different types of DataSnapshot
.
- For a direct reference (e.g.
database().ref("path/to/data")
), you can useexists()
andval()
to get information about that location's data. - For a queried reference (e.g.
database().ref("path/to/group").orderByChild("name").equalTo("Tim's Group")
), the data is returned as a list where you can usenumChildren()
to get the number of matching results,hasChildren()
to see if there are any results (similar toexists()
) and you can iterate through the results usingforEach()
.
QUESTION
this is the first time I have used custom validators. I followed this guide https://ionicthemes.com/tutorials/about/forms-and-validation-in-ionic . Basically I want to check if the username is already in use and if so the Update Profile button is not enabled. But it doesn't work, if I try to enter in the form a username that already exists in the Real time database of firebase the button is enabled, but in the console I get the message "username già in uso". Am I doing something wrong with the UsernameValidator class?
...ANSWER
Answered 2021-Apr-10 at 10:12First, I suggest that your validator returns :
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