1 files changed, 81 insertions, 0 deletions
diff --git a/legacy_data/src/data/local/latest_info.rs b/legacy_data/src/data/local/latest_info.rs
new file mode 100644
index 0000000..5748793
--- /dev/null
+++ b/legacy_data/src/data/local/latest_info.rs
@@ -0,0 +1,81 @@
+use std::{
+    collections::{HashMap, HashSet},
+    path::{Path, PathBuf},
+    time::SystemTime,
+};
+
+use cfg_file::ConfigFile;
+use serde::{Deserialize, Serialize};
+
+use crate::{
+    constants::{CLIENT_FILE_LATEST_INFO, CLIENT_FILE_LATEST_INFO_NOSET, KEY_ACCOUNT},
+    data::{
+        member::{Member, MemberId},
+        sheet::{SheetData, SheetName, SheetPathBuf},
+        vault::{
+            mapping_share::{Share, SheetShareId},
+            virtual_file::VirtualFileId,
+        },
+    },
+};
+
+/// # Latest Info
+/// Locally cached latest information,
+/// used to cache personal information from upstream for querying and quickly retrieving member information.
+#[derive(Default, Serialize, Deserialize, ConfigFile)]
+#[cfg_file(path = CLIENT_FILE_LATEST_INFO_NOSET)]
+pub struct LatestInfo {
+    // Sheets
+    /// Visible sheets,
+    /// indicating which sheets I can edit
+    #[serde(rename = "my")]
+    pub visible_sheets: Vec<SheetName>,
+
+    /// Invisible sheets,
+    /// indicating which sheets I can export files to (these sheets are not readable to me)
+    #[serde(rename = "others")]
+    pub invisible_sheets: Vec<SheetInfo>,
+
+    /// Reference sheets,
+    /// indicating sheets owned by the host, visible to everyone,
+    /// but only the host can modify or add mappings within them
+    #[serde(rename = "refsheets")]
+    pub reference_sheets: HashSet<SheetName>,
+
+    /// Reference sheet data, indicating what files I can get from the reference sheet
+    #[serde(rename = "ref")]
+    pub ref_sheet_content: SheetData,
+
+    /// Reverse mapping from virtual file IDs to actual paths in reference sheets
+    #[serde(rename = "ref_vfs")]
+    pub ref_sheet_vfs_mapping: HashMap<VirtualFileId, SheetPathBuf>,
+
+    /// Shares in my sheets, indicating which external merge requests have entries that I can view
+    #[serde(rename = "shares")]
+    pub shares_in_my_sheets: HashMap<SheetName, HashMap<SheetShareId, Share>>,
+
+    /// Update instant
+    #[serde(rename = "update")]
+    pub update_instant: Option<SystemTime>,
+
+    // Members
+    /// All member information of the vault, allowing me to contact them more conveniently
+    #[serde(rename = "members")]
+    pub vault_members: Vec<Member>,
+}
+
+impl LatestInfo {
+    /// Get the path to the latest info file for a given workspace and member ID
+    pub fn latest_info_path(local_workspace_path: &Path, member_id: &MemberId) -> PathBuf {
+        local_workspace_path.join(CLIENT_FILE_LATEST_INFO.replace(KEY_ACCOUNT, member_id))
+    }
+}
+
+#[derive(Default, Serialize, Deserialize)]
+pub struct SheetInfo {
+    #[serde(rename = "name")]
+    pub sheet_name: SheetName,
+
+    #[serde(rename = "holder")]
+    pub holder_name: Option<MemberId>,
+}