86 lines
2.2 KiB
Go
86 lines
2.2 KiB
Go
package sql
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import (
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"context"
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"emperror.dev/errors"
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"git.sleepycat.moe/sam/mercury/internal/database"
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"github.com/jackc/pgx/v5"
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"github.com/jackc/pgx/v5/pgconn"
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"github.com/keegancsmith/sqlf"
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"github.com/oklog/ulid/v2"
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)
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// BlogStore is the interface to blogs in the database.
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type BlogStore struct {
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q Querier
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}
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// NewBlogStore creates a new BlogStore instance.
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func NewBlogStore(q Querier) *BlogStore {
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return &BlogStore{q: q}
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}
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// ByID gets a blog by its ID.
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func (s *BlogStore) ByID(ctx context.Context, id ulid.ULID) (b database.Blog, err error) {
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q := sqlf.Sprintf("SELECT * FROM blogs WHERE id = %s", id)
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b, err = Get[database.Blog](ctx, s.q, q)
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if err != nil {
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if errors.Cause(err) == pgx.ErrNoRows {
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return b, ErrNotFound
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}
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return b, errors.Wrap(err, "getting blog")
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}
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return b, nil
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}
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// ByName gets a blog by name. If domain is empty, it gets a local blog.
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func (s *BlogStore) ByName(ctx context.Context, name, domain string) (b database.Blog, err error) {
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q := sqlf.Sprintf("SELECT * FROM blogs WHERE name = %s", name)
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if domain != "" {
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q = sqlf.Sprintf("%v AND domain = %s", q, domain)
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} else {
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q = sqlf.Sprintf("%v AND domain IS NULL", q)
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}
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b, err = Get[database.Blog](ctx, s.q, q)
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if err != nil {
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if errors.Cause(err) == pgx.ErrNoRows {
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return b, ErrNotFound
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}
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return b, errors.Wrap(err, "getting blog")
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}
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return b, nil
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}
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// Create creates a blog.
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func (s *BlogStore) Create(ctx context.Context, accountID ulid.ULID, name string) (b database.Blog, err error) {
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q := sqlf.Sprintf(
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"INSERT INTO blogs (id, name, domain, bio, account_id) VALUES (%s, %s, NULL, '', %s) RETURNING *",
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makeULID(), name, accountID)
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b, err = Get[database.Blog](ctx, s.q, q)
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if err != nil {
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pge := &pgconn.PgError{}
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if errors.As(err, &pge) {
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// unique constraint violation
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if pge.Code == "23505" {
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return b, ErrUsernameTaken
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}
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}
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return b, errors.Wrap(err, "creating blog")
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}
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return b, nil
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}
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func (s *BlogStore) LocalCount(ctx context.Context) (count int64, err error) {
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q := sqlf.Sprintf("SELECT count(*) FROM blogs WHERE domain IS NULL")
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err = s.q.QueryRow(ctx, q.Query(sqlf.PostgresBindVar)).Scan(&count)
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if err != nil {
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return count, errors.Wrap(err, "getting count")
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}
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return count, nil
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}
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