╭─────────────╮ │scroll to top│ ╰─────────────╯ ╭ Repo.zig ─────────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
101 try user_repos.put(&user_repo_order_key); 102 } else { 103 if (try event_id_to_repo.getCursor(repo_key)) |existing_repo_cursor| { 104 const existing_repo = try DB.HashMap(.read_only).init(existing_repo_cursor); 105 const existing_repo_event = try evt.read(@This(), DB, hash_kind, arena, existing_repo); 106 107 const existing_path = try std.fmt.allocPrint(arena.allocator(), "{s}/{s}", .{ existing_repo_event.user_id, existing_repo_event.name }); 108 _ = try name_to_repo_id.remove(hash.hashInt(hash_kind, existing_path)); 109 110 // drop it from the ordered set using its recorded creation timestamp 111 const repo_id_set_cursor = try haxy_moment.putCursor(hash.hashInt(hash_kind, "repo-id-set")); 112 const repo_id_set = try DB.SortedSet(.read_write).init(repo_id_set_cursor); 113 const order_key = evt.orderKey(existing_repo_event.created_ts, event_id); 114 _ = try repo_id_set.remove(&order_key); 115 116 const user_id_to_repo_id_set_cursor = try haxy_moment.putCursor(hash.hashInt(hash_kind, "user-id->repo-id-set")); 117 const user_id_to_repo_id_set = try DB.HashMap(.read_write).init(user_id_to_repo_id_set_cursor); 118 119 const user_key = hash.hashInt(hash_kind, existing_repo_event.user_id); 120 const user_repos_cursor = try user_id_to_repo_id_set.putCursor(user_key); 121 const user_repos = try DB.SortedSet(.read_write).init(user_repos_cursor); 122 _ = try user_repos.remove(&order_key); 123 } 124 if (!try event_id_to_repo.remove(repo_key)) return error.EventNotFound; 125 } 126 } 127 128 // a repo plus its event id (the id is the on-disk repo directory name, so the 129 // caller can locate the working repo under <server>/repos/<hex event id>). 130 pub const RepoWithId = struct { 131 repo: Self, 132 event_id: [evt.event_id_size]u8, 133 }; 134 135 // read a repo by its owner's name and repo name. the owner name is resolved to 136 // a user id via name->user-id (the repo index is keyed by "user-id/repo-name"), 137 // matching the /repo/username/reponame url. 138 pub fn readByOwnerAndName( 139 comptime DB: type, 140 comptime hash_kind: hash.HashKind, 141 haxy_moment: DB.HashMap(.read_only), 142 arena: *std.heap.ArenaAllocator, 143 owner_name: []const u8, 144 repo_name: []const u8, 145 ) !?RepoWithId { 146 // owner name -> user id 147 const name_to_user_id_cursor = try haxy_moment.getCursor(hash.hashInt(hash_kind, "name->user-id")) orelse return null; 148 const name_to_user_id = try DB.HashMap(.read_only).init(name_to_user_id_cursor); 149 const user_id_cursor = try name_to_user_id.getCursor(hash.hashInt(hash_kind, owner_name)) orelse return null; 150 var user_id: [evt.event_id_size]u8 = undefined; 151 _ = try user_id_cursor.readBytes(&user_id); 152 153 // "user-id/repo-name" -> repo event id 154 const repo_path = try std.fmt.allocPrint(arena.allocator(), "{s}/{s}", .{ user_id[0..], repo_name }); 155 const name_to_repo_id_cursor = try haxy_moment.getCursor(hash.hashInt(hash_kind, "name->repo-id")) orelse return null; 156 const name_to_repo_id = try DB.HashMap(.read_only).init(name_to_repo_id_cursor); 157 const repo_id_cursor = try name_to_repo_id.getCursor(hash.hashInt(hash_kind, repo_path)) orelse return null; 158 var repo_id: [evt.event_id_size]u8 = undefined; 159 _ = try repo_id_cursor.readBytes(&repo_id); 160 161 const event_id_to_repo_cursor = try haxy_moment.getCursor(hash.hashInt(hash_kind, "event-id->repo")) orelse return null; 162 const event_id_to_repo = try DB.HashMap(.read_only).init(event_id_to_repo_cursor); 163 const repo_cursor = try event_id_to_repo.getCursor(hash.hashInt(hash_kind, &repo_id)) orelse return null; 164 const repo_map = try DB.HashMap(.read_only).init(repo_cursor); 165 return .{ .repo = try evt.read(@This(), DB, hash_kind, arena, repo_map), .event_id = repo_id }; 166 } 167