这是indexloc提供的服务，不要输入任何密码
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1.add tellme rest api #13

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Merged
merged 1 commit into from
Mar 21, 2017
Merged

1.add tellme rest api #13

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2 changes: 1 addition & 1 deletion server/controllers/controller.js
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Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,7 @@ apiRoutes.get('/createTrain', (req, res) => {
createTrain(req, res)
})

apiRoutes.get('/tellMe', (req, res) => {
apiRoutes.post('/tellMe', (req, res) => {
tellMe(req, res)
})

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16 changes: 8 additions & 8 deletions server/controllers/createTrainController.js
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Expand Up @@ -11,26 +11,26 @@ export default () => {
const createTrainCollection = () => {
fs.readFile('./server/resource/train.txt', 'utf8', (err, data) => {
if (err) throw err
let wordList = data.split('\n')
const wordList = data.split('\n')

console.log('start building train documents ')
let trainDocuments = buildTrainDocuments(wordList)
const trainDocuments = buildTrainDocuments(wordList)
console.log('end building train documents')

saveTrainDocuments(trainDocuments)
})
}

const buildTrainDocuments = (wordList) => {
let trainDocuments = {}
const trainDocuments = {}
for (let i = 0; i < wordList.length; i++) {
let word = wordList[i]
let length = word.length
const word = wordList[i]
const length = word.length
trainDocuments[length] = trainDocuments[length] || []
//new word Schema
let wordSchema = { word }
const wordSchema = { word }
word.split('').forEach((letter) => {
wordSchema[letter] = true
wordSchema[letter] = 1
})

trainDocuments[length].push(wordSchema)
Expand All @@ -41,7 +41,7 @@ const buildTrainDocuments = (wordList) => {
const saveTrainDocuments = (trainDocuments) => {
for (let key in trainDocuments) {
console.log(key + ' ' + trainDocuments[key].length)
let trainModel = new Train({
const trainModel = new Train({
trainList: trainDocuments[key],
wordLength: key
})
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53 changes: 48 additions & 5 deletions server/controllers/tellMeController.js
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Original file line number Diff line number Diff line change
Expand Up @@ -19,10 +19,53 @@ Response:

export default (req, res) => {
const body = req.body
const include = body.include
const exclude = body.exclude
let letter
res.json({
letter: letter
const include = body.include || []
const exclude = body.exclude || []
const length = body.length
Train.aggregate(getAggregateQuery({ length, include, exclude }), (err, group) => {
if (err) throw err
const freObj = group[0]
let letter, max = 0
for (let key in freObj) {
if (freObj[key] > max) {
max = freObj[key]
letter = key
}
console.log(key + ': ' + freObj[key])
}
res.json({
letter: letter
})
})
}

const getAggregateQuery = ({ length, include, exclude }) => {
return [
{ $match: { wordLength: length } },
{ $unwind: '$trainList' },
{ $match: getMatchQuery({ include, exclude }) },
{ $group: getGroupQuery([...include, ...exclude]) }
]
}

const getMatchQuery = ({ include, exclude }) => {
return exclude.reduce((a, b) => {
a[`trainList.${b}`] = 0
return a
}, include.reduce((a, b) => {
a[`trainList.${b}`] = 1
return a
}, {}))
}

const getGroupQuery = (ignoreArr) => {
const ALPHABET = 'abcdefghijklmnopqrstuvwxyz'
return ALPHABET.split('')
.filter(c => ignoreArr.indexOf(c) < 0)
.reduce((a, b) => {
a[b] = {
$sum: `$trainList.${b}`
}
return a
}, { _id: null })
}
52 changes: 26 additions & 26 deletions server/models/Train.js
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Expand Up @@ -3,32 +3,32 @@ mongoose.Promise = global.Promise
// Sub document for Train
const WordSchema = new Schema({
word: String,
a: { type: Boolean, default: false },
b: { type: Boolean, default: false },
c: { type: Boolean, default: false },
d: { type: Boolean, default: false },
e: { type: Boolean, default: false },
f: { type: Boolean, default: false },
g: { type: Boolean, default: false },
h: { type: Boolean, default: false },
i: { type: Boolean, default: false },
j: { type: Boolean, default: false },
k: { type: Boolean, default: false },
l: { type: Boolean, default: false },
m: { type: Boolean, default: false },
n: { type: Boolean, default: false },
o: { type: Boolean, default: false },
p: { type: Boolean, default: false },
q: { type: Boolean, default: false },
r: { type: Boolean, default: false },
s: { type: Boolean, default: false },
t: { type: Boolean, default: false },
u: { type: Boolean, default: false },
v: { type: Boolean, default: false },
w: { type: Boolean, default: false },
x: { type: Boolean, default: false },
y: { type: Boolean, default: false },
z: { type: Boolean, default: false }
a: { type: Number, default: 0 },
b: { type: Number, default: 0 },
c: { type: Number, default: 0 },
d: { type: Number, default: 0 },
e: { type: Number, default: 0 },
f: { type: Number, default: 0 },
g: { type: Number, default: 0 },
h: { type: Number, default: 0 },
i: { type: Number, default: 0 },
j: { type: Number, default: 0 },
k: { type: Number, default: 0 },
l: { type: Number, default: 0 },
m: { type: Number, default: 0 },
n: { type: Number, default: 0 },
o: { type: Number, default: 0 },
p: { type: Number, default: 0 },
q: { type: Number, default: 0 },
r: { type: Number, default: 0 },
s: { type: Number, default: 0 },
t: { type: Number, default: 0 },
u: { type: Number, default: 0 },
v: { type: Number, default: 0 },
w: { type: Number, default: 0 },
x: { type: Number, default: 0 },
y: { type: Number, default: 0 },
z: { type: Number, default: 0 }
})

export default mongoose.model('Train', new Schema({
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