curl --location --request GET '/api/admin/analytics/by-device?startDate&endDate&languageId&bookId'{
"data": [
{
"deviceType": "desktop",
"totalDownloads": 3200,
"totalBooks": 4500
},
{
"deviceType": "smartphone",
"totalDownloads": 2100,
"totalBooks": 2900
},
{
"deviceType": "tablet",
"totalDownloads": 900,
"totalBooks": 1050
}
]
}