Get a reverse history log (most recent first). # Arguments `options` - Options controlling the history query # Returns A vector of history entries in reverse order.
(
&self,
options: HistoryOptions,
)
| 97 | /// |
| 98 | /// A vector of history entries in reverse order. |
| 99 | pub fn reverse_log( |
| 100 | &self, |
| 101 | options: HistoryOptions, |
| 102 | ) -> Result<Vec<crate::history::HistoryEntry>, RepositoryError> { |
| 103 | let txn = self |
| 104 | .pristine |
| 105 | .read_txn() |
| 106 | .map_err(|e| RepositoryError::Database(e.to_string()))?; |
| 107 | |
| 108 | let view_name = options.view.as_deref().unwrap_or(&self.current_view); |
| 109 | let view = txn |
| 110 | .get_view(view_name) |
| 111 | .map_err(|e| RepositoryError::Database(e.to_string()))? |
| 112 | .ok_or_else(|| RepositoryError::ViewNotFound { |
| 113 | name: view_name.to_string(), |
| 114 | })?; |
| 115 | |
| 116 | let mut entries = crate::history::reverse_log(&txn, &view, &options) |
| 117 | .map_err(|e| RepositoryError::Database(e.to_string()))?; |
| 118 | |
| 119 | // For draft views, filter out inherited entries |
| 120 | if view.kind.is_draft() && !options.include_inherited { |
| 121 | let ancestor_ids = Self::collect_ancestor_change_ids(&txn, &view)?; |
| 122 | entries.retain(|e| !ancestor_ids.contains(&e.node_id)); |
| 123 | } |
| 124 | |
| 125 | // Load headers if requested |
| 126 | if options.load_headers { |
| 127 | for entry in &mut entries { |
| 128 | if let Ok(change) = self.load_change(&entry.hash) { |
| 129 | entry.header = Some(change.hashed.header.clone()); |
| 130 | } |
| 131 | } |
| 132 | } |
| 133 | |
| 134 | Ok(entries) |
| 135 | } |
| 136 | |
| 137 | /// Collect all change NodeIds from ancestor views' VIEW_CHANGES. |
| 138 | /// |