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import { NextResponse } from "next/server"
import { DatabaseService } from "@/lib/database"
export async function GET() {
try {
// Get all users to calculate statistics
const allUsers = await DatabaseService.getAllUsers()
// Calculate verified CHWs (Community Health Workers)
const verifiedCHWs = allUsers.filter(
(user) => user.raw_json.type === "healer" && user.raw_json.verificationStatus === "verified",
).length
// Calculate active Guardians
const activeGuardians = allUsers.filter((user) => user.raw_json.type === "guardian").length
// Calculate total support (sum of all Guardian contributions)
const totalSupport = allUsers
.filter((user) => user.raw_json.type === "guardian")
.reduce((sum, user) => {
const contribution = user.raw_json.contributionAmount
const amount = typeof contribution === "string" ? Number.parseFloat(contribution) : contribution
return sum + (amount || 0)
}, 0)
// Calculate lives impacted (sum of patients served by verified healers)
const livesImpacted = allUsers
.filter((user) => user.raw_json.type === "healer" && user.raw_json.verificationStatus === "verified")
.reduce((sum, user) => {
return sum + (user.raw_json.impact?.patientsServed || 0)
}, 0)
// Total users count
const totalUsers = allUsers.length
const stats = {
verifiedCHWs,
activeGuardians,
totalSupport,
livesImpacted,
totalUsers,
lastUpdated: new Date().toISOString(),
}
return NextResponse.json(stats, {
headers: {
"Cache-Control": "s-maxage=60, stale-while-revalidate=300",
},
})
} catch (error) {
console.error("Error fetching stats:", error)
return NextResponse.json({ error: "Failed to fetch statistics" }, { status: 500 })
}
}
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