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const tabs = require('modulekit-tabs')
const async = require('async')
const chunkSplit = require('./chunkSplit')
let tab
let formExport
function prepareDownload (callback) {
let conf = formExport.get_data()
let result = []
global.baseCategory.allMapFeatures((err, data) => {
console.log(data)
let chunks = chunkSplit(data, 1000)
async.eachLimit(
chunks,
1,
(chunk, done) => {
result = result.concat(chunk.map(ob => {
switch (conf.type) {
case 'geojson':
return ob.object.GeoJSON(conf)
}
}))
global.setTimeout(done, 0)
},
(err) => {
if (err) {
return callback(err)
}
switch (conf.type) {
case 'geojson':
result = {
type: 'FeatureCollection',
features: result
}
result = JSON.stringify(result, null, ' ')
}
console.log(result)
callback()
}
)
})
}
register_hook('init', function () {
tab = new tabs.Tab({
id: 'export'
})
global.tabs.add(tab)
tab.header.innerHTML = '<i class="fa fa-download" aria-hidden="true"></i>'
tab.content.innerHTML = lang('export-all')
formExport = new form('export', {
type: {
name: 'Type',
type: 'radio',
values: {
geojson: lang('download:geojson')
},
default: 'geojson'
}
})
let domForm = document.createElement('form')
tab.content.appendChild(domForm)
formExport.show(domForm)
let submit = document.createElement('input')
submit.type = 'submit'
submit.value = lang('export-prepare')
submit.onclick = () => {
submit.setAttribute('disabled', 'disabled')
prepareDownload((err) => {
if (err) {
alert(err)
}
submit.removeAttribute('disabled')
})
}
tab.content.appendChild(submit)
tab.on('select', () => {
formExport.resize()
})
})