feat: add stats page
This commit is contained in:
Krispire Admin
@@ -0,0 +1,70 @@
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package handler
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import (
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"encoding/json"
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"net/http"
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"github.com/prabhupadasays/spsays-bff/internal/middleware"
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"github.com/prabhupadasays/spsays-bff/internal/service"
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"github.com/prabhupadasays/spsays-bff/pkg/response"
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"github.com/prabhupadasays/spsays-bff/pkg/validator"
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)
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// FeedbackHandler exposes POST /api/v1/feedback. The router wraps it
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// with OptionalAuth so a session cookie populates user_id when one is
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// present, and anonymous callers are still accepted (they have to
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// supply contact_email instead).
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type FeedbackHandler struct{ svc *service.FeedbackService }
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func NewFeedbackHandler(svc *service.FeedbackService) *FeedbackHandler {
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return &FeedbackHandler{svc: svc}
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}
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type submitFeedbackReq struct {
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Category string `json:"category"`
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Message string `json:"message"`
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ContactEmail *string `json:"contact_email,omitempty"`
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}
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func (h *FeedbackHandler) Submit(w http.ResponseWriter, r *http.Request) {
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var req submitFeedbackReq
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if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
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response.Error(w, http.StatusBadRequest, "invalid JSON body")
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return
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}
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v := validator.New()
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validator.Required(v, "category", req.Category)
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validator.Required(v, "message", req.Message)
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validator.MaxLength(v, "message", req.Message, 5000)
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if !v.Valid() {
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response.Error(w, http.StatusBadRequest, v.Error())
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return
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}
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// OptionalAuth seeds user_id when a valid session cookie was
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// present; "" means anonymous.
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uid := middleware.UserID(r.Context())
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var userIDPtr *string
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if uid != "" {
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userIDPtr = &uid
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}
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// Soft-validate the contact email for the anonymous path. Authed
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// callers' contact_email is ignored downstream, so skip the check.
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if userIDPtr == nil && req.ContactEmail != nil && *req.ContactEmail != "" {
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ev := validator.New()
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validator.Email(ev, "contact_email", *req.ContactEmail)
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if !ev.Valid() {
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response.Error(w, http.StatusBadRequest, ev.Error())
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return
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}
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}
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f, err := h.svc.Submit(r.Context(), userIDPtr, req.Category, req.Message, req.ContactEmail)
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if err != nil {
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response.Error(w, http.StatusBadRequest, err.Error())
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return
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}
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response.JSON(w, http.StatusCreated, f)
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}
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@@ -0,0 +1,130 @@
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package handler
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import (
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"html/template"
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"net/http"
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"time"
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"github.com/prabhupadasays/spsays-bff/internal/repository"
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)
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// StatsHandler renders a single-page HTML snapshot of the system —
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// aggregate counts plus the most-recent feedback rows. Mounted at /stats
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// (outside /api/v1, since it returns HTML not JSON) and intentionally
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// public per current product call. If that ever needs to change, wrap
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// the route in middleware in server.go.
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type StatsHandler struct {
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stats *repository.StatsRepo
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feedback *repository.FeedbackRepo
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}
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func NewStatsHandler(stats *repository.StatsRepo, feedback *repository.FeedbackRepo) *StatsHandler {
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return &StatsHandler{stats: stats, feedback: feedback}
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}
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func (h *StatsHandler) Render(w http.ResponseWriter, r *http.Request) {
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snap, err := h.stats.Snapshot(r.Context())
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if err != nil {
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http.Error(w, "stats query failed: "+err.Error(), http.StatusInternalServerError)
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return
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}
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recent, err := h.feedback.Recent(r.Context(), 25)
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if err != nil {
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http.Error(w, "recent feedback query failed: "+err.Error(), http.StatusInternalServerError)
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return
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}
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w.Header().Set("Content-Type", "text/html; charset=utf-8")
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// Caching off — this is an ops snapshot; staleness defeats the point.
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w.Header().Set("Cache-Control", "no-store")
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if err := statsTpl.Execute(w, map[string]any{
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"Stats": snap,
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"Feedback": recent,
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"GeneratedAt": time.Now().Format("2006-01-02 15:04:05 MST"),
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}); err != nil {
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// Headers already flushed — best we can do is bail mid-stream.
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return
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}
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}
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var statsTpl = template.Must(template.New("stats").Funcs(template.FuncMap{
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"fmtTime": func(t time.Time) string { return t.Format("2006-01-02 15:04") },
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}).Parse(statsHTML))
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const statsHTML = `<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>Stats · Prabhupāda Says</title>
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<meta name="viewport" content="width=device-width, initial-scale=1">
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<style>
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* { box-sizing: border-box }
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body { font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif; max-width: 920px; margin: 2.5rem auto; padding: 0 1.5rem; color: #1a1a1a; line-height: 1.5 }
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h1 { font-size: 1.5rem; margin-bottom: 0.25rem }
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h2 { font-size: 1.05rem; margin-top: 2rem; margin-bottom: 0.5rem; border-bottom: 1px solid #e5e5e5; padding-bottom: 0.25rem }
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.meta { color: #888; font-size: 0.8rem; margin-bottom: 1.5rem }
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.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 0.75rem }
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.card { background: #fafafa; border: 1px solid #ececec; border-radius: 8px; padding: 0.9rem 1rem }
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.card .num { font-size: 1.4rem; font-weight: 600; line-height: 1.1 }
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.card .num .delta { font-size: 0.75rem; font-weight: 500; color: #1e7a4a; margin-left: 0.4rem }
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.card .label { color: #666; font-size: 0.78rem; text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 0.35rem }
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.row { display: flex; justify-content: space-between; gap: 0.5rem; padding: 0.4rem 0; border-bottom: 1px solid #f0f0f0; font-size: 0.92rem }
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.row:last-child { border-bottom: 0 }
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.row .cat { font-weight: 600; text-transform: capitalize }
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.fb { background: #fafafa; border: 1px solid #ececec; border-radius: 8px; padding: 0.9rem 1rem; margin-bottom: 0.6rem }
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.fb .head { display: flex; justify-content: space-between; gap: 1rem; font-size: 0.82rem; color: #666; margin-bottom: 0.4rem; flex-wrap: wrap }
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.fb .cat-pill { font-weight: 700; text-transform: capitalize; color: #1a1a1a }
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.fb .msg { white-space: pre-wrap; font-size: 0.95rem }
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.fb .author { font-size: 0.78rem; color: #888; margin-top: 0.5rem }
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code { background: #f4f4f4; padding: 0.05em 0.3em; border-radius: 3px; font-size: 0.85em }
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.empty { color: #888; font-style: italic }
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</style>
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</head>
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<body>
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<h1>System snapshot</h1>
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<p class="meta">Generated {{.GeneratedAt}}</p>
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<h2>Users & activity</h2>
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<div class="grid">
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<div class="card"><div class="label">Users</div><div class="num">{{.Stats.Users}}<span class="delta">+{{.Stats.UsersLast7Days}} / 7d</span></div></div>
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<div class="card"><div class="label">Posts</div><div class="num">{{.Stats.Posts}}<span class="delta">+{{.Stats.PostsLast7Days}} / 7d</span></div></div>
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<div class="card"><div class="label">Collections</div><div class="num">{{.Stats.Collections}}<span class="delta">{{.Stats.PublicCollections}} public</span></div></div>
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<div class="card"><div class="label">Bookmarks</div><div class="num">{{.Stats.Bookmarks}}</div></div>
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<div class="card"><div class="label">Reshares</div><div class="num">{{.Stats.Reshares}}</div></div>
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<div class="card"><div class="label">Feedback</div><div class="num">{{.Stats.Feedback}}<span class="delta">+{{.Stats.FeedbackLast7Days}} / 7d</span></div></div>
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</div>
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<h2>Feedback by category</h2>
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{{if .Stats.FeedbackByCategory}}
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{{range .Stats.FeedbackByCategory}}
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<div class="row"><span class="cat">{{.Category}}</span><span>{{.Count}}</span></div>
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{{end}}
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{{else}}
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<p class="empty">No feedback yet.</p>
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{{end}}
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<h2>Recent feedback</h2>
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{{if .Feedback}}
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{{range .Feedback}}
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<div class="fb">
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<div class="head">
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<span class="cat-pill">{{.Category}}</span>
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<span>{{fmtTime .CreatedAt}}</span>
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</div>
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<div class="msg">{{.Message}}</div>
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<div class="author">
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{{if .AuthorHandle}}
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@{{.AuthorHandle}}{{if .AuthorName}} · {{.AuthorName}}{{end}}
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{{else if .ContactEmail}}
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anonymous · <code>{{.ContactEmail}}</code>
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{{else}}
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anonymous
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{{end}}
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</div>
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</div>
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{{end}}
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{{else}}
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<p class="empty">No feedback yet.</p>
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{{end}}
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</body>
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</html>`
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