48 lines
1.7 KiB
JavaScript
48 lines
1.7 KiB
JavaScript
import documentsProto from 'meta-api-grpc-web-js/meta-api-grpc-web-js_pb/nexus/meta_api/proto/documents_service_grpc_web_pb'
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import searchProto from 'meta-api-grpc-web-js/meta-api-grpc-web-js_pb/nexus/meta_api/proto/search_service_grpc_web_pb'
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export default class MetaApi {
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constructor (url, hostname) {
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this.metadata = {}
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if (hostname) {
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this.metadata['X-Forwarded-Host'] = hostname
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}
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this.documentsClient = new documentsProto.DocumentsPromiseClient(url)
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this.searchClient = new searchProto.SearchPromiseClient(url)
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}
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generateId (length) {
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const result = []
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const characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789'
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const charactersLength = characters.length
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for (let i = 0; i < length; i++) {
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result.push(characters.charAt(Math.floor(Math.random() * charactersLength)))
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}
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return result.join('')
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}
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prepareMetadata () {
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return Object.assign({ 'request-id': this.generateId(12) }, this.metadata)
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}
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async get (schema, documentId) {
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const request = new documentsProto.TypedDocumentRequest()
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request.setSchema(schema)
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request.setDocumentId(documentId)
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request.setSessionId(this.generateId(8))
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const response = await this.documentsClient.get(request, this.prepareMetadata())
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return response.toObject()
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}
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async search (schemas, query, page, pageSize = 5) {
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const request = new searchProto.SearchRequest()
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request.setPage(page)
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request.setPageSize(pageSize)
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schemas.forEach((schema) => request.addSchemas(schema))
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request.setQuery(query)
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request.setSessionId(this.generateId(8))
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const response = await this.searchClient.search(request, this.prepareMetadata())
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return response.toObject()
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}
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}
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