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Garden Aid - Web BFF - Moisture Service
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'use strict'; | |
const BbPromise = require('bluebird'); | |
const stampit = require('stampit'); | |
const moment = require('moment'); | |
const Logger = require('../logger'); | |
const MoistureService = stampit(). | |
refs({ | |
moistureTable: null | |
}). | |
init((opts) => { | |
if(!opts.instance.moistureTable) throw new Error('moistureTable is required'); | |
}). | |
methods({ | |
getLastHours(clientId, hours) { | |
const after = moment().subtract(hours, 'hours').valueOf(); | |
console.log('Retreiving records after: ' + after); | |
return this.moistureTable | |
.query(clientId) | |
.where('Timestamp').gte(after.toString()) | |
.execAsync() | |
.then((resp) => this.logResults(resp)) | |
.then((resp) => this.convertResults(resp.Items)) | |
.catch((err) => { | |
this.log('Error running query', err); | |
throw err; | |
}); | |
}, | |
logResults(resp) { | |
this.log('Found', resp.Count, 'items'); | |
this.log('Items: ', resp.Items); | |
if(resp.ConsumedCapacity) { | |
this.log('Query consumed: ', resp.ConsumedCapacity); | |
} | |
return resp; | |
}, | |
convertResults(items) { | |
const result = items.map(item => { | |
const data = item.attrs.Data; | |
return { | |
date: data.Recorded, | |
moisture: data.Level, | |
}; | |
}); | |
return result; | |
}, | |
}). | |
compose(Logger); | |
module.exports = MoistureService; |
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