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script.js
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script.js
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const srChats = new Chart(document.getElementById('srChats'), {
type: 'pie',
data: {
datasets: [{
backgroundColor: [
'rgba(255, 99, 132)',
'rgba(54, 162, 235)',
'rgba(255, 206, 86)',
'rgba(75, 192, 192)',
'rgba(153, 102, 255)',
'rgba(255, 159, 64)'
]
}]
}
})
const ssChats = new Chart(document.getElementById('ssChats'), {
type: 'pie',
data: {
datasets: [{
backgroundColor: [
'rgba(255, 99, 132)',
'rgba(54, 162, 235)',
'rgba(255, 206, 86)',
'rgba(75, 192, 192)',
'rgba(153, 102, 255)',
'rgba(255, 159, 64)'
]
}]
}
})
const urChats = new Chart(document.getElementById('urChats'), {
type: 'pie',
data: {
datasets: [{
backgroundColor: [
'rgba(255, 99, 132)',
'rgba(54, 162, 235)',
'rgba(255, 206, 86)',
'rgba(75, 192, 192)',
'rgba(153, 102, 255)',
'rgba(255, 159, 64)'
]
}]
}
})
const usChats = new Chart(document.getElementById('usChats'), {
type: 'pie',
data: {
datasets: [{
backgroundColor: [
'rgba(255, 99, 132)',
'rgba(54, 162, 235)',
'rgba(255, 206, 86)',
'rgba(75, 192, 192)',
'rgba(153, 102, 255)',
'rgba(255, 159, 64)'
]
}]
}
})
function processJSON() {
var file = document.getElementById('file').files[0]
var reader = new FileReader()
reader.addEventListener('load', (event) => {
updateCharts(reader.result, srChats, 'Received Saved Chat History', 'From')
updateCharts(reader.result, ssChats, 'Sent Saved Chat History', 'To')
updateCharts(reader.result, urChats, 'Received Unsaved Chat History', 'From')
updateCharts(reader.result, usChats, 'Sent Unsaved Chat History', 'To')
})
reader.readAsText(file)
}
function updateCharts(json, chart, dataTopKey, dataKey) {
// parse and filter
var parsed = JSON.parse(json)[dataTopKey]
// gather data
var data = {}
for (var i = 0; i < parsed.length; i++) {
if (!data[parsed[i][dataKey]]) {
data[parsed[i][dataKey]] = 1
} else {
data[parsed[i][dataKey]]++
}
}
// sort and display
var sortedKeys = Object.keys(data).sort((a, b) => data[b] - data[a])
var sortedValues = sortedKeys.map(key => data[key])
console.log(sortedKeys)
chart.data.labels = sortedKeys
chart.data.datasets[0].data = sortedValues
chart.update()
}