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import Vue from 'vue'
import isEmpty from 'lodash/isEmpty'
import { getComponentProps } from '../../services/component_utils/component_utils'
import './with_subscription.scss'
import { FontAwesomeIcon as FAIcon } from '@fortawesome/vue-fontawesome'
import { library } from '@fortawesome/fontawesome-svg-core'
import {
faCircleNotch
} from '@fortawesome/free-solid-svg-icons'
library.add(
faCircleNotch
)
const withSubscription = ({
fetch, // function to fetch entries and return a promise
select, // function to select data from store
childPropName = 'content', // name of the prop to be passed into the wrapped component
additionalPropNames = [] // additional prop name list of the wrapper component
}) => (WrappedComponent) => {
const originalProps = Object.keys(getComponentProps(WrappedComponent))
const props = originalProps.filter(v => v !== childPropName).concat(additionalPropNames)
return Vue.component('withSubscription', {
props: [
...props,
'refresh' // boolean saying to force-fetch data whenever created
],
data () {
return {
loading: false,
error: false
}
},
computed: {
fetchedData () {
return select(this.$props, this.$store)
}
},
created () {
if (this.refresh || isEmpty(this.fetchedData)) {
this.fetchData()
}
},
methods: {
fetchData () {
if (!this.loading) {
this.loading = true
this.error = false
fetch(this.$props, this.$store)
.then(() => {
this.loading = false
})
.catch(() => {
this.error = true
this.loading = false
})
}
}
},
render (h) {
if (!this.error && !this.loading) {
const props = {
props: {
...this.$props,
[childPropName]: this.fetchedData
},
on: this.$listeners,
scopedSlots: this.$scopedSlots
}
const children = Object.entries(this.$slots).map(([key, value]) => h('template', { slot: key }, value))
return (
<div class="with-subscription">
<WrappedComponent {...props}>
{children}
</WrappedComponent>
</div>
)
} else {
return (
<div class="with-subscription-loading">
{this.error
? <a onClick={this.fetchData} class="alert error">{this.$t('general.generic_error')}</a>
: <FAIcon spin icon="circle-notch"/>
}
</div>
)
}
}
})
}
export default withSubscription
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