a7a55b6a90
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144 lines
2.7 KiB
Go
144 lines
2.7 KiB
Go
package ping
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import (
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"database/sql"
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"net/http"
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"lewisdale.dev/oopsie/sites"
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)
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type Status int16
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const (
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Success Status = iota
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Failure
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)
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type Ping struct {
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Site sites.Site
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Timestamp string
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Status Status
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}
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type PingResponse struct {
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Site sites.Site
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Timestamp string
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Status string
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}
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const createQuery = `CREATE TABLE IF NOT EXISTS statuses (
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id INTEGER PRIMARY KEY,
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name TEXT NOT NULL
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);
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CREATE TABLE IF NOT EXISTS ping (
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id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
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site TEXT NOT NULL,
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timestamp TIMESTAMP NOT NULL DEFAULT CURRENT_TIMESTAMP,
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status INTEGER NOT NULL,
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FOREIGN KEY (site) REFERENCES sites(url),
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FOREIGN KEY (status) REFERENCES statuses(id)
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);`
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const seedStatusQuery = `INSERT INTO statuses (id, name) VALUES (?, ?)
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ON CONFLICT (id) DO NOTHING;`
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func CreateTable(db *sql.DB) {
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if _, err := db.Exec(createQuery); err != nil {
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panic(err)
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}
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seedStatuses(db)
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}
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func seedStatuses(db *sql.DB) {
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if _, err := db.Exec(seedStatusQuery, Success, "Success"); err != nil {
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panic(err)
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}
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if _, err := db.Exec(seedStatusQuery, Failure, "Failure"); err != nil {
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panic(err)
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}
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}
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const saveQuery = `INSERT INTO ping (site, status) VALUES (?, ?);`
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func (p *Ping) Save(db *sql.DB) {
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db.Exec(saveQuery, p.Site.Url, p.Status)
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}
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func SendPing(db *sql.DB, site sites.Site) {
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p := Ping{
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Site: site,
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}
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if _, err := http.Get(site.Url); err != nil {
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p.Status = Failure
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} else {
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p.Status = Success
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}
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p.Save(db)
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}
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func List(db *sql.DB) []PingResponse {
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rows, err := db.Query(`SELECT sites.url as url, sites.name, ping.timestamp as timestamp, statuses.name as status FROM ping
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JOIN sites ON ping.site = sites.url
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JOIN statuses ON ping.status = statuses.id
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ORDER BY timestamp DESC`)
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if err != nil {
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panic(err)
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}
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defer rows.Close()
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pings := make([]PingResponse, 0)
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for rows.Next() {
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p := PingResponse{}
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rows.Scan(&p.Site.Url, &p.Site.Name, &p.Timestamp, &p.Status)
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pings = append(pings, p)
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}
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return pings
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}
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type SiteResponse struct {
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created_at string
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Name string
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Url string
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Pings []Ping
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}
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func ListGroupedBySite(db *sql.DB) []SiteResponse {
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responses := make([]SiteResponse, 0)
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for _, site := range sites.List(db) {
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s := SiteResponse{Url: site.Url, Name: site.Name, created_at: site.Created_at}
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s.Pings = listForSite(db, site)
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responses = append(responses, s)
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}
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return responses
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}
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func listForSite(db *sql.DB, site sites.Site) []Ping {
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rows, err := db.Query(`SELECT ping.timestamp, ping.status FROM ping WHERE site = ? ORDER BY timestamp DESC`, site.Url)
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if err != nil {
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panic(err)
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}
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defer rows.Close()
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pings := make([]Ping, 0)
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for rows.Next() {
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p := Ping{}
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rows.Scan(&p.Timestamp, &p.Status)
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p.Site = site
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pings = append(pings, p)
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}
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return pings
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}
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