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cloudflare-native port of the tangled knot server
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import ( "database/sql" "errors" "fmt" "strings" "time"
"tangled.org/core/appview/models" "tangled.org/core/orm")
func AddString(e Execer, s models.String) error { _, err := e.Exec( `insert into strings ( did, rkey, filename, description, content, created, edited ) values (?, ?, ?, ?, ?, ?, null) on conflict(did, rkey) do update set filename = excluded.filename, description = excluded.description, content = excluded.content, edited = case when strings.content != excluded.content or strings.filename != excluded.filename or strings.description != excluded.description then ? else strings.edited end`, s.Did, s.Rkey, s.Filename, s.Description, s.Contents, s.Created.Format(time.RFC3339), time.Now().Format(time.RFC3339), ) return err}
func GetStrings(e Execer, limit int, filters ...orm.Filter) ([]models.String, error) { var all []models.String
var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
limitClause := "" if limit != 0 { limitClause = fmt.Sprintf(" limit %d ", limit) }
query := fmt.Sprintf(`select did, rkey, filename, description, content, created, edited from strings %s order by created desc %s`, whereClause, limitClause, )
rows, err := e.Query(query, args...)
if err != nil { return nil, err } defer rows.Close()
for rows.Next() { var s models.String var createdAt string var editedAt sql.NullString
if err := rows.Scan( &s.Did, &s.Rkey, &s.Filename, &s.Description, &s.Contents, &createdAt, &editedAt, ); err != nil { return nil, err }
s.Created, err = time.Parse(time.RFC3339, createdAt) if err != nil { s.Created = time.Now() }
if editedAt.Valid { e, err := time.Parse(time.RFC3339, editedAt.String) if err != nil { e = time.Now() } s.Edited = &e }
all = append(all, s) }
if err := rows.Err(); err != nil { return nil, err }
return all, nil}
func CountStrings(e Execer, filters ...orm.Filter) (int64, error) { var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
repoQuery := fmt.Sprintf(`select count(1) from strings %s`, whereClause) var count int64 err := e.QueryRow(repoQuery, args...).Scan(&count)
if !errors.Is(err, sql.ErrNoRows) && err != nil { return 0, err }
return count, nil}
func DeleteString(e Execer, filters ...orm.Filter) error { var conditions []string var args []any for _, filter := range filters { conditions = append(conditions, filter.Condition()) args = append(args, filter.Arg()...) }
whereClause := "" if conditions != nil { whereClause = " where " + strings.Join(conditions, " and ") }
query := fmt.Sprintf(`delete from strings %s`, whereClause)
_, err := e.Exec(query, args...) return err}