satoru/internal/webui/dashboard.go

310 lines
9.2 KiB
Go

package webui
import (
"context"
"database/sql"
"fmt"
"html"
"io"
"strings"
"time"
"github.com/a-h/templ"
"satoru/internal/store"
)
type RuntimeCheck struct {
Name string
Installed bool
Details string
}
type WorkflowStage struct {
Title string
Description string
}
type DashboardData struct {
Now time.Time
ScanInterval time.Duration
User store.User
Sites []store.Site
RuntimeChecks []RuntimeCheck
WorkflowStages []WorkflowStage
FlashMessage string
}
func Dashboard(data DashboardData) templ.Component {
return templ.ComponentFunc(func(_ context.Context, w io.Writer) error {
role := "Operator"
if data.User.IsAdmin {
role = "Admin"
}
var checks strings.Builder
for _, c := range data.RuntimeChecks {
status := "missing"
if c.Installed {
status = "installed"
}
checks.WriteString(fmt.Sprintf(`<li class="status %s"><strong>%s</strong><span>%s</span></li>`,
status,
html.EscapeString(c.Name),
html.EscapeString(c.Details)))
}
var flows strings.Builder
for _, s := range data.WorkflowStages {
flows.WriteString(fmt.Sprintf(`<li class="workflow-step"><strong>%s</strong><p>%s</p></li>`,
html.EscapeString(s.Title),
html.EscapeString(s.Description)))
}
var sites strings.Builder
if len(data.Sites) == 0 {
sites.WriteString(`<p class="muted">No sites added yet. Add your first Linux SSH site below.</p>`)
}
for _, site := range data.Sites {
last := "Never run"
if site.LastRunAt.Valid {
last = site.LastRunAt.Time.Local().Format(time.RFC1123)
}
runStatus := "pending"
if site.LastRunStatus.Valid {
runStatus = site.LastRunStatus.String
}
runOutput := "(no output yet)"
if site.LastRunOutput.Valid && strings.TrimSpace(site.LastRunOutput.String) != "" {
runOutput = site.LastRunOutput.String
}
scanState := "pending"
if site.LastScanState.Valid && site.LastScanState.String != "" {
scanState = site.LastScanState.String
}
lastScan := "Never"
if site.LastScanAt.Valid {
lastScan = site.LastScanAt.Time.Local().Format(time.RFC1123)
}
scanNotes := "No scan yet."
if site.LastScanNotes.Valid && site.LastScanNotes.String != "" {
scanNotes = site.LastScanNotes.String
}
var targets strings.Builder
if len(site.Targets) == 0 {
targets.WriteString(`<li><span class="pill pending">none</span> <code>(no targets)</code></li>`)
}
for _, t := range site.Targets {
sizeOrErr := "size pending"
if t.LastError.Valid && t.LastError.String != "" {
sizeOrErr = "error: " + t.LastError.String
} else if t.LastSizeByte.Valid {
sizeOrErr = formatBytes(t.LastSizeByte.Int64)
}
targets.WriteString(fmt.Sprintf(`<li><span class="pill %s">%s</span> <code>%s</code><span class="muted inline">%s</span></li>`,
targetModeClass(t.Mode),
html.EscapeString(targetModeLabel(t.Mode)),
html.EscapeString(t.Path),
html.EscapeString(sizeOrErr)))
}
sites.WriteString(fmt.Sprintf(`
<article class="site-card">
<div class="site-head">
<h3>%s@%s:%d</h3>
<div class="row">
<form method="post" action="/sites/%d/run">
<button class="button" type="submit">Run preflight</button>
</form>
<form method="post" action="/sites/%d/delete" onsubmit="return confirm('Delete this site?');">
<button class="button ghost" type="submit">Delete</button>
</form>
</div>
</div>
<details class="edit-panel">
<summary>Edit site</summary>
<form class="grid-2" method="post" action="/sites/%d/update">
<label class="stack"><span>SSH User</span><input name="ssh_user" value="%s" required /></label>
<label class="stack"><span>Server</span><input name="host" value="%s" required /></label>
<label class="stack"><span>Port</span><input type="number" name="port" min="1" max="65535" value="%d" required /></label>
<label class="stack"><span>Directory paths (one per line)</span><textarea name="directory_paths" rows="4">%s</textarea></label>
<label class="stack"><span>SQLite DB paths (one per line)</span><textarea name="sqlite_paths" rows="4">%s</textarea></label>
<button class="button" type="submit">Save changes</button>
</form>
</details>
<p class="muted">Backup targets:</p>
<ul class="target-list">%s</ul>
<p class="muted">Scan: <span class="pill %s">%s</span> · Last: %s · Next: %s</p>
<p class="muted">%s</p>
<p class="muted">Last run: %s</p>
<p class="muted">Status: <span class="pill %s">%s</span></p>
<pre class="output">%s</pre>
</article>`,
html.EscapeString(site.SSHUser),
html.EscapeString(site.Host),
site.Port,
site.ID,
site.ID,
site.ID,
html.EscapeString(site.SSHUser),
html.EscapeString(site.Host),
site.Port,
html.EscapeString(joinTargetPaths(site.Targets, "directory")),
html.EscapeString(joinTargetPaths(site.Targets, "sqlite_dump")),
targets.String(),
html.EscapeString(scanState),
html.EscapeString(scanState),
html.EscapeString(lastScan),
html.EscapeString(timeUntilNextScan(data.Now, site.LastScanAt, data.ScanInterval)),
html.EscapeString(scanNotes),
html.EscapeString(last),
html.EscapeString(runStatus),
html.EscapeString(runStatus),
html.EscapeString(runOutput),
))
}
flash := ""
if data.FlashMessage != "" {
flash = fmt.Sprintf(`<p class="notice">%s</p>`, html.EscapeString(formatFlash(data.FlashMessage)))
}
_, err := io.WriteString(w, fmt.Sprintf(`<!doctype html>
<html lang="en">
<head>
<meta charset="utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>Satoru Dashboard</title>
<link rel="stylesheet" href="/static/app.css" />
</head>
<body>
<main class="card dashboard-card">
<div class="row split">
<div>
<p class="eyebrow">Satoru</p>
<h1>Managed Sites Overview</h1>
<p class="muted">Signed in as <strong>%s</strong> (%s).</p>
</div>
<div class="row">
<a class="button ghost" href="/account/password">Change password</a>
<form method="post" action="/signout"><button class="button ghost" type="submit">Sign out</button></form>
</div>
</div>
%s
<section>
<h2>Host Runtime Status</h2>
<ul class="status-list">%s</ul>
</section>
<section>
<h2>Planned Workflow</h2>
<ol class="workflow">%s</ol>
</section>
<section>
<h2>Add Site</h2>
<form class="grid-2" method="post" action="/sites">
<label class="stack"><span>SSH User</span><input name="ssh_user" required /></label>
<label class="stack"><span>Server</span><input name="host" placeholder="host or ip" required /></label>
<label class="stack"><span>Port</span><input type="number" name="port" min="1" max="65535" value="22" required /></label>
<label class="stack"><span>Directory paths (one per line)</span><textarea name="directory_paths" placeholder="/var/www&#10;/etc/nginx" rows="4"></textarea></label>
<label class="stack"><span>SQLite DB paths (will dump, one per line)</span><textarea name="sqlite_paths" placeholder="/srv/app/db/app.sqlite3" rows="4"></textarea></label>
<button class="button" type="submit">Add site</button>
</form>
</section>
<section>
<h2>Managed Sites</h2>
%s
</section>
</main>
</body>
</html>`,
html.EscapeString(data.User.Username),
html.EscapeString(role),
flash,
checks.String(),
flows.String(),
sites.String(),
))
return err
})
}
func formatFlash(code string) string {
switch code {
case "site-added":
return "Site added."
case "job-queued":
return "Preflight job queued."
case "site-updated":
return "Site updated."
case "site-deleted":
return "Site deleted."
case "site-invalid":
return "SSH user, host, and at least one target path are required."
case "site-invalid-path":
return "Target paths must be absolute Linux paths starting with '/'."
case "site-invalid-port":
return "Port must be an integer between 1 and 65535."
case "password-updated":
return "Password updated."
default:
return code
}
}
func targetModeLabel(mode string) string {
if mode == "sqlite_dump" {
return "sqlite dump"
}
return "directory"
}
func joinTargetPaths(targets []store.SiteTarget, mode string) string {
var out []string
for _, t := range targets {
if t.Mode == mode {
out = append(out, t.Path)
}
}
return strings.Join(out, "\n")
}
func targetModeClass(mode string) string {
if mode == "sqlite_dump" {
return "sqlite"
}
return "ok"
}
func formatBytes(v int64) string {
if v < 1024 {
return fmt.Sprintf("%d B", v)
}
units := []string{"KB", "MB", "GB", "TB"}
value := float64(v)
for _, u := range units {
value /= 1024
if value < 1024 {
return fmt.Sprintf("%.1f %s", value, u)
}
}
return fmt.Sprintf("%.1f PB", value/1024)
}
func timeUntilNextScan(now time.Time, lastScan sql.NullTime, interval time.Duration) string {
if !lastScan.Valid {
return "due now"
}
next := lastScan.Time.Add(interval)
if !next.After(now) {
return "due now"
}
d := next.Sub(now).Round(time.Minute)
h := int(d.Hours())
m := int(d.Minutes()) % 60
if h == 0 {
return fmt.Sprintf("%dm", m)
}
return fmt.Sprintf("%dh %dm", h, m)
}