fathom/api/visitors.go

80 lines
2.2 KiB
Go

package api
import (
"net/http"
"github.com/dannyvankooten/ana/db"
"encoding/json"
"github.com/gorilla/mux"
"time"
)
// URL: /api/visitors/count
var GetVisitorsCountHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
before, after := getRequestedPeriods(r)
stmt, err := db.Conn.Prepare(`
SELECT
SUM(a.count)
FROM archive a
WHERE a.metric = 'visitors' AND UNIX_TIMESTAMP(a.date) <= ? AND UNIX_TIMESTAMP(a.date) >= ?
`)
checkError(err)
defer stmt.Close()
var result int
stmt.QueryRow(before, after).Scan(&result)
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(result)
})
// URL: /api/visitors/count/realtime
var GetVisitorsRealtimeCountHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
var result int
db.Conn.QueryRow(`
SELECT COUNT(DISTINCT(pv.visitor_id))
FROM pageviews pv
WHERE pv.timestamp >= DATE_SUB(CURRENT_TIMESTAMP, INTERVAL 3 HOUR_MINUTE) AND pv.timestamp <= CURRENT_TIMESTAMP`).Scan(&result)
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(result)
})
// URL: /api/visitors/count/group/:period
var GetVisitorsPeriodCountHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
vars := mux.Vars(r)
period := vars["period"]
formats := map[string]string {
"day": "%Y-%m-%d",
"month": "%Y-%m",
}
stmt, err := db.Conn.Prepare(`SELECT
SUM(a.count) AS count,
DATE_FORMAT(a.date, ?) AS date_group
FROM archive a
WHERE a.metric = 'visitors' AND UNIX_TIMESTAMP(a.date) <= ? AND UNIX_TIMESTAMP(a.date) >= ?
GROUP BY date_group`)
checkError(err)
defer stmt.Close()
before, after := getRequestedPeriods(r)
rows, err := stmt.Query(formats[period], before, after)
checkError(err)
results := make([]Datapoint, 0)
defer rows.Close()
for rows.Next() {
v := Datapoint{}
err = rows.Scan(&v.Count, &v.Label);
checkError(err)
results = append(results, v)
}
d := time.Hour * 24;
if period == "month" {
d = d * 30
}
results = fillDatapoints(before, after, d, results)
w.Header().Set("Content-Type", "application/json")
json.NewEncoder(w).Encode(results)
})