Boost Azure Demo

Backend/internal/assignmentgen/service_helpers.go

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+package assignmentgen
+
+import (
+	"strings"
+
+	"boostai-backend/internal/sqlc"
+
+	"github.com/jackc/pgx/v5/pgtype"
+)
+
+func nullableQuestionTopic(topic sqlc.QuestionTopic) sqlc.NullQuestionTopic {
+	if topic == "" {
+		return sqlc.NullQuestionTopic{}
+	}
+	return sqlc.NullQuestionTopic{QuestionTopic: topic, Valid: true}
+}
+
+func nullableQuestionDifficulty(difficulty sqlc.QuestionDifficulty) sqlc.NullQuestionDifficulty {
+	if difficulty == "" {
+		return sqlc.NullQuestionDifficulty{}
+	}
+	return sqlc.NullQuestionDifficulty{QuestionDifficulty: difficulty, Valid: true}
+}
+
+func textValue(value string) pgtype.Text {
+	trimmed := strings.TrimSpace(value)
+	if trimmed == "" {
+		return pgtype.Text{}
+	}
+	return pgtype.Text{String: trimmed, Valid: true}
+}
+
+func firstNonEmpty(values ...string) string {
+	for _, value := range values {
+		if strings.TrimSpace(value) != "" {
+			return strings.TrimSpace(value)
+		}
+	}
+	return ""
+}
+
+func mergeTags(base []string, extras ...string) []string {
+	seen := make(map[string]struct{}, len(base)+len(extras))
+	merged := make([]string, 0, len(base)+len(extras))
+
+	appendTag := func(tag string) {
+		normalized := strings.TrimSpace(strings.ToLower(tag))
+		if normalized == "" {
+			return
+		}
+		if _, exists := seen[normalized]; exists {
+			return
+		}
+		seen[normalized] = struct{}{}
+		merged = append(merged, normalized)
+	}
+
+	for _, tag := range base {
+		appendTag(tag)
+	}
+	for _, tag := range extras {
+		appendTag(tag)
+	}
+
+	return merged
+}
+
+func questionTopicLabel(topic sqlc.QuestionTopic) string {
+	switch topic {
+	case sqlc.QuestionTopicPlaceValue:
+		return "Place value"
+	case sqlc.QuestionTopicArithmetic:
+		return "Arithmetic"
+	case sqlc.QuestionTopicNegativeNumbers:
+		return "Negative numbers"
+	case sqlc.QuestionTopicBidmas:
+		return "BIDMAS"
+	case sqlc.QuestionTopicFractions:
+		return "Fractions"
+	case sqlc.QuestionTopicAlgebra:
+		return "Algebra"
+	case sqlc.QuestionTopicGeometry:
+		return "Geometry"
+	case sqlc.QuestionTopicData:
+		return "Data"
+	default:
+		return "Maths"
+	}
+}