FahdShalhoub
84 lines
2.2 KiB
Go
84 lines
2.2 KiB
Go
package services
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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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"thamanyah/cms/v2/internal/db"
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"time"
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)
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var DB DBClient
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type Video struct {
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ID string
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Title string
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Description string
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Category string
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Tags string
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FileName string
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StorageKey string
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MediaConvertJobID string
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Status string
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SizeBytes int64
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CreatedAt time.Time
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UpdatedAt time.Time
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}
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type DBClient interface {
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CreateVideo(ctx context.Context, v Video) (Video, error)
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}
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type DBConcrete struct {
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ConnectionString string
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}
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func (svc DBConcrete) CreateVideo(ctx context.Context, v Video) (Video, error) {
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db, err := sql.Open("postgres", svc.ConnectionString)
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if err != nil {
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return Video{}, err
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}
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defer db.Close()
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var categoryID int64
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if err := db.QueryRowContext(ctx, `SELECT id FROM categories WHERE name = $1`, v.Category).Scan(&categoryID); err != nil {
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return Video{}, fmt.Errorf("looking up category %q: %w", v.Category, err)
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}
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row := db.QueryRowContext(ctx, `
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INSERT INTO videos (title, description, category_id, tags, file_name, storage_key, mediaconvert_job_id, status, size_bytes)
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VALUES ($1, $2, $3, $4, $5, $6, $7, $8, $9, $10)
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RETURNING created_at, updated_at
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`, v.Title, v.Description, categoryID, v.Tags, v.FileName, v.StorageKey, v.MediaConvertJobID, v.Status, v.SizeBytes)
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if err := row.Scan(&v.CreatedAt, &v.UpdatedAt); err != nil {
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return Video{}, err
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}
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return v, nil
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}
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func (svc DBConcrete) Migrate() {
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sqlDB, err := sql.Open("postgres", svc.ConnectionString)
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if err != nil {
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panic(fmt.Errorf("failed to open db connection: %w", err))
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}
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if err := db.Migrate(sqlDB); err != nil {
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panic(err)
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}
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sqlDB.Close()
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}
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// AssertSuccessfulConnection verifies the database is reachable, mirroring
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// S3Concrete's boot-time check — panics rather than let the service come up broken.
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func (svc DBConcrete) AssertSuccessfulConnection(ctx context.Context) {
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db, err := sql.Open("postgres", svc.ConnectionString)
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if err != nil {
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panic(fmt.Errorf("db: cannot open connection: %w", err))
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}
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defer db.Close()
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if err := db.PingContext(ctx); err != nil {
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panic(fmt.Errorf("db: cannot connect: %w", err))
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}
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}
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