mirror of https://github.com/status-im/fathom.git
59 lines
1.5 KiB
Go
59 lines
1.5 KiB
Go
package api
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import (
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"net/http"
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"github.com/dannyvankooten/ana/db"
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"encoding/json"
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"strings"
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)
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// URL: /api/referrers
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var GetReferrersHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
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before, after := getRequestedPeriods(r)
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// get total
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stmt, err := db.Conn.Prepare(`
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SELECT
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COUNT(DISTINCT(pv.visitor_id))
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FROM pageviews pv
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WHERE UNIX_TIMESTAMP(pv.timestamp) <= ? AND UNIX_TIMESTAMP(pv.timestamp) >= ?`)
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checkError(err)
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defer stmt.Close()
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var total float32
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stmt.QueryRow(before, after).Scan(&total)
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// get rows
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stmt, err = db.Conn.Prepare(`
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SELECT
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pv.referrer_url,
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COUNT(DISTINCT(pv.visitor_id)) AS count
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FROM pageviews pv
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WHERE UNIX_TIMESTAMP(pv.timestamp) <= ? AND UNIX_TIMESTAMP(pv.timestamp) >= ?
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AND pv.referrer_url IS NOT NULL
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AND pv.referrer_url != ""
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GROUP BY pv.referrer_url
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ORDER BY count DESC
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LIMIT ?`)
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checkError(err)
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defer stmt.Close()
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rows, err := stmt.Query(before, after, getRequestedLimit(r))
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checkError(err)
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defer rows.Close()
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results := make([]Datapoint, 0)
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for rows.Next() {
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var d Datapoint
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err = rows.Scan(&d.Label, &d.Count);
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d.Label = strings.Replace(d.Label, "http://", "", 1)
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d.Label = strings.Replace(d.Label, "https://", "", 1)
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d.Label = strings.TrimRight(d.Label, "/")
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checkError(err)
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d.Percentage = float32(d.Count) / total * 100
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results = append(results, d)
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}
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w.Header().Set("Content-Type", "application/json")
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json.NewEncoder(w).Encode(results)
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})
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