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General Tech Bugs & Fixes 2 years ago
Posted on 16 Aug 2022, this text provides information on Bugs & Fixes related to General Tech. Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.
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I am building a segment component in ionic 4, each of the segments has its own component with an own extend controller & service on each component.
Everytime I switch the segments I do a call in the ngOnInit() so this will cause to do a call to the api to get the data of the segment.
ngOnInit()
What is best to do, use singleton data and store this in the service of the component and reuse it. Or is it ok to do a call each time the segment changed?
The data are the restaurant info, restaurant menu and restaurant reviews.
These will change in the future but not necessarily that much to do a call each time you press the segment button.
What is best to do?
This is the segment html:
color="primary"> {{ 'PAGES.RESTAURANT_DETAIL.SEGMENT_BTNS.INFO' | translate }} <span class="segment-divider">span> {{ 'PAGES.RESTAURANT_DETAIL.SEGMENT_BTNS.MENU' | translate }} <span class="segment-divider">span> {{ 'PAGES.RESTAURANT_DETAIL.SEGMENT_BTNS.REVIEWS' | translate }} {{ 'PAGES.RESTAURANT_DETAIL.OPENING_HOURS' | translate }}
So mm-restaurant-info-block and mm-restaurant-reviews has their own controller and service where they call the fetchData() method on the init function.
mm-restaurant-info-block
mm-restaurant-reviews
fetchData()
You can have an ion-refresher component in addition to your segment component. That way you can change your segment behavior to only fetch data once for each segment, but let the user manually get fresh data with ion-refresher.
ion-refresher
doRefresh(refreshEvent) { // Use the active segment to fetch correct data this.loadData(this.restaurantopts, refreshEvent); }
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