feat: release v0.1.3 chat, profiles, and media

Keep read receipts for the other person only, and let photos, voice, and files stay cached until they are actually replaced.

backend/internal/api/learning.go

@@ -1,9 +1,11 @@
 package api
 
 import (
+	"errors"
 	"net/http"
 
 	"pargar/backend/internal/observability"
+	"pargar/backend/internal/store"
 )
 
 func (s *Server) handleLearningOverview(w http.ResponseWriter, r *http.Request) {
@@ -21,12 +23,25 @@ func (s *Server) handleLearningStudents(w http.ResponseWriter, r *http.Request)
 	ctx, span := observability.StartSpan(r.Context(), "admin.learning.students")
 	defer span.End()
 	q := r.URL.Query().Get("q")
-	rows, err := s.store.ListStudentLearning(ctx, q)
+	filter := r.URL.Query().Get("filter")
+	switch filter {
+	case "active", "locked":
+	default:
+		filter = ""
+	}
+	sort := r.URL.Query().Get("sort")
+	switch sort {
+	case "progress", "streak", "activity":
+	default:
+		sort = "xp"
+	}
+	p := parsePageParams(r)
+	rows, total, err := s.store.ListStudentLearning(ctx, q, filter, sort, p.PageSize, p.Offset)
 	if err != nil {
 		writeErr(w, http.StatusInternalServerError, "بارگذاری فهرست هنرجویان ممکن نشد")
 		return
 	}
-	writeJSON(w, http.StatusOK, map[string]any{"students": rows})
+	writePage(w, rows, total, p)
 }
 
 func (s *Server) handleUserLearning(w http.ResponseWriter, r *http.Request) {
@@ -34,9 +49,13 @@ func (s *Server) handleUserLearning(w http.ResponseWriter, r *http.Request) {
 	defer span.End()
 	id := routeID(r, "id")
 	detail, err := s.store.UserLearningDetail(ctx, id)
-	if err != nil {
+	if errors.Is(err, store.ErrNotFound) {
 		writeErr(w, http.StatusNotFound, "کاربر پیدا نشد")
 		return
 	}
+	if err != nil {
+		writeErr(w, http.StatusInternalServerError, "بارگذاری جزئیات یادگیری ممکن نشد")
+		return
+	}
 	writeJSON(w, http.StatusOK, map[string]any{"learning": detail})
 }