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t4t-fe.js
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t4t-fe.js
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import Fetch from './fetch.js'
import { validateColumn } from './t4t-validate.js'
let tableName = ''
let parentFilter = null
let config = null
const http = new Fetch()
// TBD i18n
function setTableName(name) {
tableName = name
parentFilter = null // TBD find a more sustainable way using prototype
}
function setParentFilter(filter) {
parentFilter = filter
}
// type: string, date, datetime, time, integer, float
// {
// rules: {
// min: 0, // string, date, datetime, time, integer, float
// max: 10, // string, date, datetime, time, integer, float
// regex: 10, // string
// gt: 'field', // date, datetime, time, integer, float
// gte: 'field', // date, datetime, time, integer, float
// lt: 'field', // date, datetime, time, integer, float
// lte: 'field', // date, datetime, time, integer, float
// dec: 2 // float
// ]
// }
function validate(record) {
for (const col in record) {
if (config.cols[col]) {
const { rules, type } = config.cols[col]
if (rules) {
const msg = validateColumn(rules, type, col, record)
if (msg) {
return { col, msg }
}
}
}
}
return null
}
async function getConfig() {
try {
const { data } = await http.get('/api/t4t/config/' + tableName)
if (data) {
config = data
// for (const col in config.cols) {
// const obj = config.cols[col]
// if (obj.table !== 'hide') headerCols.push({ path: col, header: obj.label }) // process table columns
// if (obj.filter !== 'hide') filterCols.push(col) // process filters
// }
// Object.entries(config.cols) => [ [key, obj], ... ]
}
return config
} catch (e) {
}
return null
}
async function find(filters, sorter, page, limit) {
let rv = {
results: [],
total: 0
// cursor: '' // props.infinite
}
if (parentFilter) {
filters.push({key: parentFilter.col, op: "=", val: parentFilter.id, andOr: "and"})
}
try {
const { data } = await http.get('/api/t4t/find/' + tableName, {
page,
limit,
filters: JSON.stringify(filters), // [{col, op, val, andOr}, ...]
sorter: JSON.stringify(sorter) // [{ column: '<col_name>', order: 'asc|desc' }, ...]
})
rv.results = data.results
rv.total = data.total
// rv.cursor = data.cursor
} catch (e) {
}
return rv
}
async function download(filters, sorter) {
try {
const { data } = await http.get('/api/t4t/find/' + tableName, {
page: 0,
limit: 0,
csv: 1, // it is a csv
filters: JSON.stringify(filters),
sorter: JSON.stringify(sorter)
})
return data
} catch (e) {
console.log('eee', e.toString())
return null
}
}
async function findOne(__key) {
let rv = {}
try {
const { data } = await http.get('/api/t4t/find-one/' + tableName, { __key }) // if multiKey, then seperate values by |, column is implied by order
rv.__key = __key
Object.entries(config.cols).forEach((kv) => {
const [key, val] = kv
if (val.edit !== 'hide') {
rv[key] = data[key]
}
})
return rv
} catch (e) {
return null
}
}
function initItem() {
let rv = {}
try {
Object.entries(config.cols).forEach((kv) => {
const [key, val] = kv
if (val.edit !== 'hide') {
rv[key] = val.default || ''
}
})
return rv
} catch (e) {
return null
}
}
// process data for use with
// JSON only, multi-part form, JSON & filelist (signed URL upload)
function processData(record, { signedUrl = false } = { }) {
const rv = {
json: { }
}
for (const [k, v] of Object.entries(record)) {
if (v instanceof FileList) {
const fileNameArray = []
for (const file of v) {
if (signedUrl) {
if (!rv.files) rv.files = []
rv.files.push(file)
} else {
if (!rv.form) rv.form = new FormData()
rv.form.append('file-data', file) // add
}
fileNameArray.push(file.name)
}
rv.json[k] = fileNameArray.join(',') // array
} else {
rv.json[k] = v
}
}
if (rv.form) rv.form.append('json-data', JSON.stringify(rv.json)) // set the JSON
return rv
}
async function create(record) {
// const { data } = await http.patch(`/api/authors/${id}`, formData,
// { onUploadProgress: progressEvent => console.log(Math.round(progressEvent.loaded / progressEvent.total * 100) + '%') } // axios only
// )
await http.post(`/api/t4t/create/${tableName}`, record)
}
async function update(__key, record) {
await http.patch(`/api/t4t/update/${tableName}`, record, { __key })
}
// Handle file removals seperately
async function remove(items) {
let ids = []
const { pk } = config
if (pk) {
ids = items.map((item) => item[pk])
} else {
ids = items.map((item) => item.__key)
}
await http.post('/api/t4t/remove/' + tableName, { ids })
}
// uploads a single csv for batch processing
async function upload(file) { // the file object
// TBD add exception handling
if (file === null) return false
const formData = new FormData()
formData.append('csv-file', file) // call it file
// console.log('zzz', formData instanceof FormData)
// for(const pair of formData.entries()) console.log(pair[0], pair[1])
return await http.post('/api/t4t/upload/' + tableName, formData)
// formData.append('textdata', JSON.stringify({ name: 'name', age: 25 }))
// const res = await fetch('/api/upload', { method: 'POST', body: formData })
// const { id, name, avatar } = record
// const json = JSON.stringify({ name })
// // const blob = new Blob([json], { type: 'application/json' })
// // console.log('json', blob)
}
// const autoComplete = debounce(async (e, col, _showForm) => {
// recordObj[_showForm][col] = e.target.value
// wrap in debounce
// parentColVal in use-cases where parent table column changes
async function autocomplete (search, col, record, parentColVal) {
let res = []
try {
const { dbName, tableName, limit, key, text, parentTableColName, parentCol } = config.cols[col].options
const query = { dbName, tableName, limit, key, text, search }
if (parentTableColName) {
query.parentTableColName = parentTableColName
query.parentTableColVal = parentColVal || record[parentCol]
}
const { data } = await http.get('/api/t4t/autocomplete', query)
res = data
} catch (err) {
console.log('autocomplete', err.message)
}
return res
}
const gcpHeaders = {
'Accept': 'application/json',
'Content-Type': 'application/json',
}
async function deleteGoogle (filename) {
try {
const rv = await http.post('/api/gcp-sign', { filename, action: 'delete' }, null, gcpHeaders)
const res2 = await http.del(rv.data.url)
// console.log(res2)
console.log('Google Delete: ' + (res2.ok) ? 'OK' : 'FAIL')
} catch (e) {
console.log('Google Delete: ' + e.toString())
}
}
async function uploadGoogle (file) { // only 1 file at a time, use for loop for multiples
try {
const filename = file.name
const rv = await http.post('/api/gcp-sign', { filename, action: 'write' }, null, gcpHeaders)
console.log(rv.data.url)
const res2 = await http.put(rv.data.url, file, null, { 'Content-Type': 'application/octet-stream' })
console.log('Google Upload: ' + (res2.ok) ? 'OK' : 'FAIL')
} catch (e) {
console.log('Google Upload: ' + e.toString())
}
}
async function readGoogle (filename) {
try {
const rv = await http.post('/api/gcp-sign', { filename, action: 'read' }, null, gcpHeaders)
const decoder = new TextDecoder('utf-8')
fetch(rv.data.url, { method: 'GET' }).then(response => {
response.body
.getReader()
.read()
.then(({value, done}) => {
console.log(done, "boo", decoder.decode(value))
})
})
// const xxx = await res2.body.getReader().read()
// console.log(xxx)
// alert('Google Read: ' + (res2.ok) ? 'OK' : 'FAIL')
} catch (e) {
console.log('readGoogle', e.toString())
}
}
export {
http,
setTableName,
setParentFilter,
getConfig, validate, validateColumn,
find, findOne, initItem, create, update, remove, upload, download, autocomplete, processData,
uploadGoogle, deleteGoogle, readGoogle
}