124 lines
3.5 KiB
Go
124 lines
3.5 KiB
Go
package db
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import (
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"context"
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"fmt"
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"emperror.dev/errors"
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"github.com/georgysavva/scany/v2/pgxscan"
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"github.com/jackc/pgx/v5"
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"github.com/rs/xid"
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)
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const (
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MaxFields = 25
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FieldNameMaxLength = 100
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FieldEntriesLimit = 100
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FieldEntryMaxLength = 100
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)
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type Field struct {
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ID int64 `json:"-"`
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Name string `json:"name"`
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Entries []FieldEntry `json:"entries"`
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}
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// Validate validates this field. If it is invalid, a non-empty string is returned as error message.
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func (f Field) Validate(custom CustomPreferences) string {
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if f.Name == "" {
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return "name cannot be empty"
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}
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if length := len([]rune(f.Name)); length > FieldNameMaxLength {
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return fmt.Sprintf("name max length is %d characters, length is %d", FieldNameMaxLength, length)
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}
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if length := len(f.Entries); length > FieldEntriesLimit {
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return fmt.Sprintf("max number of entries is %d, current number is %d", FieldEntriesLimit, length)
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}
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for i, entry := range f.Entries {
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if length := len([]rune(entry.Value)); length > FieldEntryMaxLength {
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return fmt.Sprintf("entries.%d: max length is %d characters, length is %d", i, FieldEntryMaxLength, length)
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}
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if !entry.Status.Valid(custom) {
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return fmt.Sprintf("entries.%d: status is invalid", i)
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}
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}
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return ""
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}
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// UserFields returns the fields associated with the given user ID.
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func (db *DB) UserFields(ctx context.Context, id xid.ID) (fs []Field, err error) {
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sql, args, err := sq.Select("id", "name", "entries").From("user_fields").Where("user_id = ?", id).OrderBy("id").ToSql()
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if err != nil {
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return fs, errors.Wrap(err, "building sql")
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}
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err = pgxscan.Select(ctx, db, &fs, sql, args...)
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if err != nil {
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return fs, errors.Wrap(err, "executing query")
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}
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return fs, nil
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}
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// SetUserFields updates the fields for the given user.
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func (db *DB) SetUserFields(ctx context.Context, tx pgx.Tx, userID xid.ID, fields []Field) (err error) {
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sql, args, err := sq.Delete("user_fields").Where("user_id = ?", userID).ToSql()
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if err != nil {
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return errors.Wrap(err, "building sql")
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}
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_, err = tx.Exec(ctx, sql, args...)
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if err != nil {
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return errors.Wrap(err, "deleting existing fields")
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}
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for _, field := range fields {
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_, err := tx.Exec(ctx, "INSERT INTO user_fields (user_id, name, entries) VALUES ($1, $2, $3)", userID, field.Name, field.Entries)
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if err != nil {
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return errors.Wrap(err, "inserting new fields")
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}
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}
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return nil
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}
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// MemberFields returns the fields associated with the given member ID.
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func (db *DB) MemberFields(ctx context.Context, id xid.ID) (fs []Field, err error) {
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sql, args, err := sq.Select("id", "name", "entries").From("member_fields").Where("member_id = ?", id).OrderBy("id").ToSql()
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if err != nil {
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return fs, errors.Wrap(err, "building sql")
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}
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err = pgxscan.Select(ctx, db, &fs, sql, args...)
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if err != nil {
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return fs, errors.Wrap(err, "executing query")
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}
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return fs, nil
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}
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// SetMemberFields updates the fields for the given member.
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func (db *DB) SetMemberFields(ctx context.Context, tx pgx.Tx, memberID xid.ID, fields []Field) (err error) {
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sql, args, err := sq.Delete("member_fields").Where("member_id = ?", memberID).ToSql()
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if err != nil {
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return errors.Wrap(err, "building sql")
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}
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_, err = tx.Exec(ctx, sql, args...)
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if err != nil {
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return errors.Wrap(err, "deleting existing fields")
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}
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for _, field := range fields {
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_, err := tx.Exec(ctx, "INSERT INTO member_fields (member_id, name, entries) VALUES ($1, $2, $3)", memberID, field.Name, field.Entries)
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if err != nil {
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return errors.Wrap(err, "inserting new fields")
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}
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}
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return nil
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}
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