Created
October 16, 2018 20:12
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type ElSearchQuery = { | |
query: { | |
bool: { | |
should: Array<MultiMatch> | |
filter: [ | |
{ | |
term: { | |
serviceLine: string | |
} | |
} | |
] | |
}, | |
} | |
}; | |
type ServiceLine = { serviceId: string, serviceName: string }; | |
type ParoTag = string | { id: number, value: string }; | |
type ProjectSize = '10 hours' | '11-30 hours' | '31-50 hours' | '51+ hours'; | |
interface ParoElasticSearch { | |
first: Array<ParoTag>; | |
second: Array<ParoTag>; | |
neutral: Array<ParoTag>; | |
secondLeast: Array<ParoTag>; | |
least: Array<ParoTag>; | |
primaryServiceLine: ServiceLine; | |
secondaryServiceLine: ServiceLine; | |
projectSize: ProjectSize; | |
queryObj: ElSearchQuery; | |
formattedQuery: ElSearchQuery; | |
} | |
class ParoElasticSearchQuery implements ParoElasticSearch { | |
first: Array<ParoTag>; | |
second: Array<ParoTag>; | |
neutral: Array<ParoTag>; | |
secondLeast: Array<ParoTag>; | |
least: Array<ParoTag>; | |
primaryServiceLine: ServiceLine; | |
secondaryServiceLine: ServiceLine; | |
projectSize: ProjectSize; | |
queryObj: ElSearchQuery = { | |
query: { | |
bool: { | |
should: [], | |
filter: [{ | |
term: { | |
serviceLine: null | |
} | |
}], | |
} | |
} | |
}; | |
constructor(private query: ParoElasticSearch) { | |
this.first = query.first; | |
this.second = query.second; | |
this.neutral = query.neutral; | |
this.secondLeast = query.secondLeast; | |
this.least = query.least; | |
this.primaryServiceLine = query.primaryServiceLine; | |
this.secondaryServiceLine = query.secondaryServiceLine; | |
this.projectSize = query.projectSize; | |
} | |
private _buildMultiMatch(tag: ParoTag, boost: number): MultiMatch { | |
return { | |
multi_match: { | |
query: (typeof tag === 'string' ? tag : tag.value), | |
boost: boost, | |
fields: [ | |
'strengths', | |
'projects.tags', | |
'projects.company.name', | |
'projects.description' | |
] | |
} | |
}; | |
} | |
private get _formatQueryObject(): ElSearchQuery { | |
(this.first || []).map(tag => this.queryObj.query.bool.should.push(this._buildMultiMatch(tag, 5))); | |
(this.second || []).map(tag => this.queryObj.query.bool.should.push(this._buildMultiMatch(tag, 4))); | |
(this.neutral || []).map(tag => this.queryObj.query.bool.should.push(this._buildMultiMatch(tag, 3))); | |
(this.secondLeast || []).map(tag => this.queryObj.query.bool.should.push(this._buildMultiMatch(tag, 2))); | |
(this.least || []).map(tag => this.queryObj.query.bool.should.push(this._buildMultiMatch(tag, 1))); | |
if (this.primaryServiceLine) { | |
const [ primaryServiceLine ] = this.queryObj.query.bool.filter; | |
primaryServiceLine.term.serviceLine = this.primaryServiceLine.serviceName; | |
} | |
if (this.secondaryServiceLine) { | |
this.queryObj.query.bool.should.push(this._buildMultiMatch(this.secondaryServiceLine.serviceName, 5)); | |
} | |
if (this.projectSize) { | |
this.queryObj.query.bool.should.push(this._buildMultiMatch(this.projectSize, 5)); | |
} | |
return this.queryObj; | |
} | |
/** | |
* returns the formatted elasticsearch query | |
*/ | |
get formattedQuery() { | |
return this._formatQueryObject; | |
} | |
} |
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