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Merge pull request #3936 from hashicorp/f-ui-polling
UI: Live updating views
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Original file line number | Diff line number | Diff line change |
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import Watchable from './watchable'; | ||
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export default Watchable.extend(); |
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import { get, computed } from '@ember/object'; | ||
import { assign } from '@ember/polyfills'; | ||
import { inject as service } from '@ember/service'; | ||
import queryString from 'npm:query-string'; | ||
import ApplicationAdapter from './application'; | ||
import { AbortError } from 'ember-data/adapters/errors'; | ||
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export default ApplicationAdapter.extend({ | ||
watchList: service(), | ||
store: service(), | ||
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xhrs: computed(function() { | ||
return {}; | ||
}), | ||
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ajaxOptions(url) { | ||
const ajaxOptions = this._super(...arguments); | ||
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const previousBeforeSend = ajaxOptions.beforeSend; | ||
ajaxOptions.beforeSend = function(jqXHR) { | ||
if (previousBeforeSend) { | ||
previousBeforeSend(...arguments); | ||
} | ||
this.get('xhrs')[url] = jqXHR; | ||
jqXHR.always(() => { | ||
delete this.get('xhrs')[url]; | ||
}); | ||
}; | ||
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return ajaxOptions; | ||
}, | ||
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findAll(store, type, sinceToken, snapshotRecordArray, additionalParams = {}) { | ||
const params = assign(this.buildQuery(), additionalParams); | ||
const url = this.urlForFindAll(type.modelName); | ||
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if (get(snapshotRecordArray || {}, 'adapterOptions.watch')) { | ||
params.index = this.get('watchList').getIndexFor(url); | ||
this.cancelFindAll(type.modelName); | ||
} | ||
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return this.ajax(url, 'GET', { | ||
data: params, | ||
}); | ||
}, | ||
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findRecord(store, type, id, snapshot, additionalParams = {}) { | ||
let [url, params] = this.buildURL(type.modelName, id, snapshot, 'findRecord').split('?'); | ||
params = assign(queryString.parse(params) || {}, this.buildQuery(), additionalParams); | ||
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if (get(snapshot || {}, 'adapterOptions.watch')) { | ||
params.index = this.get('watchList').getIndexFor(url); | ||
this.cancelFindRecord(type.modelName, id); | ||
} | ||
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return this.ajax(url, 'GET', { | ||
data: params, | ||
}).catch(error => { | ||
if (error instanceof AbortError) { | ||
return {}; | ||
} | ||
throw error; | ||
}); | ||
}, | ||
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reloadRelationship(model, relationshipName, watch = false) { | ||
const relationship = model.relationshipFor(relationshipName); | ||
if (relationship.kind !== 'belongsTo' && relationship.kind !== 'hasMany') { | ||
throw new Error( | ||
`${relationship.key} must be a belongsTo or hasMany, instead it was ${relationship.kind}` | ||
); | ||
} else { | ||
const url = model[relationship.kind](relationship.key).link(); | ||
let params = {}; | ||
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if (watch) { | ||
params.index = this.get('watchList').getIndexFor(url); | ||
this.cancelReloadRelationship(model, relationshipName); | ||
} | ||
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if (url.includes('?')) { | ||
params = assign(queryString.parse(url.split('?')[1]), params); | ||
} | ||
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return this.ajax(url, 'GET', { | ||
data: params, | ||
}).then( | ||
json => { | ||
const store = this.get('store'); | ||
const normalizeMethod = | ||
relationship.kind === 'belongsTo' | ||
? 'normalizeFindBelongsToResponse' | ||
: 'normalizeFindHasManyResponse'; | ||
const serializer = store.serializerFor(relationship.type); | ||
const modelClass = store.modelFor(relationship.type); | ||
const normalizedData = serializer[normalizeMethod](store, modelClass, json); | ||
store.push(normalizedData); | ||
}, | ||
error => { | ||
if (error instanceof AbortError) { | ||
return relationship.kind === 'belongsTo' ? {} : []; | ||
} | ||
throw error; | ||
} | ||
); | ||
} | ||
}, | ||
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handleResponse(status, headers, payload, requestData) { | ||
const newIndex = headers['x-nomad-index']; | ||
if (newIndex) { | ||
this.get('watchList').setIndexFor(requestData.url, newIndex); | ||
} | ||
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return this._super(...arguments); | ||
}, | ||
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cancelFindRecord(modelName, id) { | ||
const url = this.urlForFindRecord(id, modelName); | ||
const xhr = this.get('xhrs')[url]; | ||
if (xhr) { | ||
xhr.abort(); | ||
} | ||
}, | ||
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cancelFindAll(modelName) { | ||
const xhr = this.get('xhrs')[this.urlForFindAll(modelName)]; | ||
if (xhr) { | ||
xhr.abort(); | ||
} | ||
}, | ||
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cancelReloadRelationship(model, relationshipName) { | ||
const relationship = model.relationshipFor(relationshipName); | ||
if (relationship.kind !== 'belongsTo' && relationship.kind !== 'hasMany') { | ||
throw new Error( | ||
`${relationship.key} must be a belongsTo or hasMany, instead it was ${relationship.kind}` | ||
); | ||
} else { | ||
const url = model[relationship.kind](relationship.key).link(); | ||
const xhr = this.get('xhrs')[url]; | ||
if (xhr) { | ||
xhr.abort(); | ||
} | ||
} | ||
}, | ||
}); |
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