Godopu
fb6881070c
- Implement standalone Go backend API server using Gin and pure-Go SQLite (modernc.org/sqlite) - Add 11-table schema DDL migrations (000001_init.up.sql) based on DATA_TABLE.md - Add seed data ingestion tool (cmd/seed) and static TypeScript content exporter (cmd/export-content) - Add configuration loader (internal/config) supporting environment variables and .env files (HOST, PORT, DB_PATH, GIN_MODE, CORS_ALLOW_ORIGINS, AUTO_MIGRATE) - Add lightweight multi-stage Dockerfile and docker-compose.yml with persistent SQLite volume - Add comprehensive architecture specification (ARCHITECTURE.md) and REST API interface specification (API_INTERFACE.md) - Harmonize frontend publications page to consume isHighlight flag from database-synced content
72 lines
1.9 KiB
Go
72 lines
1.9 KiB
Go
package repository
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import (
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"context"
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"database/sql"
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"fmt"
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"git.godopu.com/lab/landing_page/backend/internal/models"
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)
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type LecturesRepository struct {
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db *sql.DB
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}
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func NewLecturesRepository(db *sql.DB) *LecturesRepository {
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return &LecturesRepository{db: db}
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}
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func (r *LecturesRepository) GetSemestersWithCourses(ctx context.Context) ([]models.SemesterWithCourses, error) {
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// Query semesters ordered by year DESC and Fall before Spring within same year
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semQuery := `
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SELECT id, year, term
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FROM semesters
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ORDER BY year DESC, CASE term WHEN 'Fall' THEN 1 WHEN 'Spring' THEN 2 ELSE 3 END, id DESC
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`
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semRows, err := r.db.QueryContext(ctx, semQuery)
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if err != nil {
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return nil, fmt.Errorf("query semesters: %w", err)
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}
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defer semRows.Close()
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var semesters []models.SemesterWithCourses
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semMap := make(map[int]int) // semester_id -> index in slice
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for semRows.Next() {
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var s models.SemesterWithCourses
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if err := semRows.Scan(&s.ID, &s.Year, &s.Term); err != nil {
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return nil, fmt.Errorf("scan semester: %w", err)
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}
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s.Courses = []models.Course{}
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semMap[s.ID] = len(semesters)
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semesters = append(semesters, s)
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}
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if err := semRows.Err(); err != nil {
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return nil, err
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}
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// Query courses ordered by display_order ASC, id ASC
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courseQuery := `
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SELECT id, semester_id, code, name_en, name_kr, note, display_order
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FROM courses
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ORDER BY semester_id ASC, display_order ASC, id ASC
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`
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courseRows, err := r.db.QueryContext(ctx, courseQuery)
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if err != nil {
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return nil, fmt.Errorf("query courses: %w", err)
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}
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defer courseRows.Close()
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for courseRows.Next() {
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var c models.Course
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if err := courseRows.Scan(&c.ID, &c.SemesterID, &c.Code, &c.NameEn, &c.NameKr, &c.Note, &c.DisplayOrder); err != nil {
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return nil, fmt.Errorf("scan course: %w", err)
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}
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if idx, exists := semMap[c.SemesterID]; exists {
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semesters[idx].Courses = append(semesters[idx].Courses, c)
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}
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}
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return semesters, courseRows.Err()
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}
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