Snapshot of a project's grading state

S7 class returned by snapshot_info(): every stored field of one snapshot, its notes in order, its parts' format versions and sizes, and its cached per-repository scores.

Usage

markermd_snapshot(
  snapshot_id = character(0),
  created_at = (function (.data = double(), tz = "") 
 {
     .POSIXct(.data, tz = tz)

    })(),
  created_tz = character(0),
  username = character(0),
  kind = character(0),
  trigger = character(0),
  label = character(0),
  summary = character(0),
  parent_snapshot_id = character(0),
  schema_version = character(0),
  markermd_version = character(0),
  content_hash = character(0),
  pinned = logical(0),
  notes = (function (.data = list(), row.names = NULL) 
 {
     if (is.null(row.names))
    {
         list2DF(.data)
     }
     else {
         out <- list2DF(.data,
    length(row.names))
attr(out, "row.names") <- row.names
         out
     }

    })(),
  parts = (function (.data = list(), row.names = NULL) 
 {
     if (is.null(row.names))
    {
         list2DF(.data)
     }
     else {
         out <- list2DF(.data,
    length(row.names))
attr(out, "row.names") <- row.names
         out
     }

    })(),
  stats = (function (.data = list(), row.names = NULL) 
 {
     if (is.null(row.names))
    {
         list2DF(.data)
     }
     else {
         out <- list2DF(.data,
    length(row.names))
attr(out, "row.names") <- row.names
         out
     }

    })()
)

Arguments

snapshot_id

Character. The snapshot's id (snap-<UTC time>-<suffix>).

created_at

POSIXct. Creation time, in the session's time zone.

created_tz

Character. The creator's time zone name.

username

Character. Who took it.

kind

Character. "manual" or "auto".

trigger

Character. What took an automatic snapshot (NA for a manual one).

label

Character. Short name, or NA.

summary

Character. What changed or why, or NA.

parent_snapshot_id

Character. The previous snapshot's id, or NA for the first.

schema_version

Character. Database schema version at creation.

markermd_version

Character. Package version at creation.

content_hash

Character. Hash of the stored parts.

pinned

Logical. Whether the snapshot is protected from pruning.

notes

Data frame of notes and keyed metadata (timestamp, username, key, value), oldest first.

parts

Data frame with one row per stored part (part, format_version, size in bytes, hash).

stats

Data frame of cached scores (assignment_repo, question_name, score), with "(total)" rows for each repository's total.

Value

A markermd_snapshot S7 object.

See also

snapshot_info(), snapshot_list()