CODEWITHSUNDEEP
angularjs
Peter
Peter

Reputation: 57

How to filter ng-repeat by value?

I got the following json as source:

"available_examinators": [
    {
        "id": 4,
        "user": {
            "email": "mail",
            "first_name": "First_name",
            "last_name": "Last_name",
        },
        "courses": [
            {
                "id": 1,            
            }
        ]}]

together with the following html:

  <md-option ng-value="examinator"
    ng-repeat="examinator in uf.data.orderData.available_examinators
      track by examinator.id | 
      filter: { examinator {courses : { id : course.id }}}">>

I want to filter so it only shows examinators that have an specific course id but I dont get it to work.

Upvotes: 0

Views: 67

Answers (2)

Bill P
Bill P

Reputation: 3618

You are very close, this is the correct syntax:

<md-option ng-value="examinator"
   ng-repeat="examinator in uf.data.orderData.available_examinators
      | filter: {courses : { id : course.id }} track by examinator.id">

Check a working demo: DEMO

EDIT: the track by expression must come last - after any filters, and the alias expression

Upvotes: 0

Peter
Peter

Reputation: 57

Above was almost correct but it led me to the right answer, beside the above changes I had to move track by to the end of the expression else I tried to filter on only examinator.id

So the correct answer is:

<md-option ng-value="examinator" ng-repeat="examinator in uf.data.orderData.available_examinators | filter: { courses: {id: course.id}} track by examinator.id">

Upvotes: 1

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