From 95c3ebfaf9fdb1e65e3dfaef177e4b6d20344009 Mon Sep 17 00:00:00 2001
From: "Grail Finder (aider)" <wohilas@gmail.com>
Date: Sun, 6 Apr 2025 09:53:03 +0300
Subject: feat: add mixed exercise endpoint handler

---
 internal/handlers/main.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)

(limited to 'internal/handlers/main.go')

diff --git a/internal/handlers/main.go b/internal/handlers/main.go
index c04fd4e..b6ce093 100644
--- a/internal/handlers/main.go
+++ b/internal/handlers/main.go
@@ -113,6 +113,31 @@ func getCorrectOption(q *models.Question) string {
 	}
 }
 
+func (h *Handlers) HandleMixedUbung(w http.ResponseWriter, r *http.Request) {
+	mixedID := r.URL.Query().Get("id")
+	if mixedID == "" {
+		h.log.Error("missing mixed ID parameter")
+		abortWithError(w, "Missing exercise ID")
+		return
+	}
+
+	questions, err := h.repo.DBGetQuestionsByMixedID(mixedID)
+	if err != nil {
+		h.log.Error("failed to get questions for mixed exercise", "error", err, "mixed_id", mixedID)
+		abortWithError(w, "Failed to load exercise")
+		return
+	}
+
+	if len(questions) == 0 {
+		h.log.Error("no questions found for mixed exercise", "mixed_id", mixedID)
+		abortWithError(w, "Exercise contains no questions")
+		return
+	}
+
+	// Render first question in the sequence
+	h.renderQuestion(w, &questions[0])
+}
+
 func (h *Handlers) HandleNextQuestion(w http.ResponseWriter, r *http.Request) {
 	currentID := r.URL.Query().Get("current_id")
 	currID, err := strconv.Atoi(currentID)
-- 
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