Changeset 0.23.2 (#155)

server/handlers/presence.go

@@ -67,3 +67,50 @@ func PresenceQuery(c *gin.Context) {
 	}
 	c.JSON(http.StatusOK, gin.H{"presence": result})
 }
+
+// SearchUsers returns a lightweight list of approved users matching a query.
+// GET /api/v1/users/search?q=alice — matches against username and display_name.
+// Returns at most 20 results. Excludes the calling user.
+func SearchUsers(c *gin.Context) {
+	userID := getUserID(c)
+	q := strings.TrimSpace(c.Query("q"))
+
+	query := database.Q(`
+		SELECT id, username, COALESCE(display_name, '') AS display_name
+		FROM users
+		WHERE is_active = true AND id != $1
+	`)
+	args := []interface{}{userID}
+
+	if q != "" {
+		query += database.Q(` AND (LOWER(username) LIKE $2 OR LOWER(display_name) LIKE $3)`)
+		pattern := "%" + strings.ToLower(q) + "%"
+		args = append(args, pattern, pattern)
+	}
+
+	query += ` ORDER BY username LIMIT 20`
+
+	rows, err := database.DB.QueryContext(c.Request.Context(), query, args...)
+	if err != nil {
+		c.JSON(http.StatusInternalServerError, gin.H{"error": "search failed"})
+		return
+	}
+	defer rows.Close()
+
+	type userResult struct {
+		ID          string `json:"id"`
+		Username    string `json:"username"`
+		DisplayName string `json:"display_name"`
+	}
+
+	results := []userResult{}
+	for rows.Next() {
+		var u userResult
+		if err := rows.Scan(&u.ID, &u.Username, &u.DisplayName); err != nil {
+			continue
+		}
+		results = append(results, u)
+	}
+
+	c.JSON(http.StatusOK, gin.H{"users": results})
+}