╭ Events.zig ───────────────────────────────────────────────────╮ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ │ ╰───────────────────────────────────────────────────────────────╯
🬐 🬠 🬞🬂🬏 🬟 🬑 🬟 🬑 ╭78c630cb..╮ 78c630cb.. see-em: 🬋🬋🬋 🬋🬋🬋 🬋 🬋 │files │ commits refs discuss issues new login 🬐 🬠 🬐 🬠 🬑 🬟 🬰 ╰──────────╯ (405) user
╭────╮ ╭ clone ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╮ │http│ ssh │ │ ╰────╯ ╰ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ─ ╯
.. Attachment.zig Comment.zig Commits.zig Discussions.zig ╭─────────────────────────────────╮ │Events.zig │ ╰─────────────────────────────────╯ Files.zig Header.zig Issues.zig Refs.zig Threads.zig
1 const std = @import("std"); 2 const builtin = @import("builtin"); 3 const evt = @import("../../event.zig"); 4 const ui = @import("../../ui.zig"); 5 const inp = @import("../input.zig"); 6 const xit = @import("xit"); 7 const rp = xit.repo; 8 const rf = xit.ref; 9 const hash = xit.hash; 10 const xitui = xit.xitui; 11 const wgt = xitui.widget; 12 const layout = xitui.layout; 13 const Key = xitui.input.Key; 14 const Grid = xitui.grid.Grid; 15 const Focus = xitui.focus.Focus; 16 17 const page_size = 20; 18 19 pub const Item = struct { 20 id: []const u8, 21 kind: evt.EventKind, 22 author: ui.Author, 23 view_url: ?[]const u8 = null, 24 }; 25 26 pub const EventRef = struct { 27 id: []const u8, 28 kind: evt.EventKind, 29 }; 30 31 pub const Window = struct { 32 count: usize = 0, 33 events: []const Item = &.{}, 34 next: ?EventRef = null, 35 }; 36 37 identity: []const u8, 38 view: ui.RoutablePage.EventsView, 39 selected: ?EventRef, 40 active: Window, 41 removed: Window, 42 header: Header, 43 44 const Self = @This(); 45 46 pub fn init( 47 comptime repo_kind: rp.RepoKind, 48 comptime repo_opts: rp.RepoOpts(repo_kind), 49 arena: *std.heap.ArenaAllocator, 50 repo: *rp.Repo(repo_kind, repo_opts), 51 io: std.Io, 52 admin_moment: ?evt.AdminDB.HashMap(.read_only), 53 identity: []const u8, 54 requested_view: ui.RoutablePage.EventsView, 55 selected_kind: ?evt.EventKind, 56 selected: []const u8, 57 local: bool, 58 failure: ?[]const u8, 59 ) !Self { 60 const aa = arena.allocator(); 61 var result = try empty(aa, identity, requested_view, local, failure); 62 if (local) result.header = try Header.local(repo_kind, repo_opts, aa, repo, io, failure); 63 const require_selected_event = selected_kind != null or selected.len != 0; 64 if ((selected_kind == null) != (selected.len == 0)) return error.NotFound; 65 66 const DB = evt.EventDB(repo_opts.hash); 67 const gpa = arena.child_allocator; 68 var event_db_maybe: ?evt.LocalEventDB(repo_opts.hash) = if (repo_kind == .git) try evt.LocalEventDB(repo_opts.hash).openReadOnly(io, gpa, repo.core.repo_dir) else null; 69 defer if (event_db_maybe) |*event_db| event_db.deinit(io, gpa); 70 const haxy_moment = (if (event_db_maybe) |*event_db| 71 evt.currentMomentFromDb(repo_opts.hash, event_db.db) 72 else if (repo_kind == .git) 73 return result 74 else 75 evt.currentMoment(repo_opts, repo)) catch { 76 if (require_selected_event) return error.NotFound; 77 return result; 78 }; 79 80 const kind_map_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.event_index_key)) orelse { 81 if (require_selected_event) return error.NotFound; 82 return result; 83 }; 84 const kind_map = try DB.HashMap(.read_only).init(kind_map_cursor); 85 86 const active_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.active_event_id_set_key)); 87 const removed_cursor = try haxy_moment.getCursor(hash.hashInt(repo_opts.hash, evt.removed_event_id_set_key)); 88 89 var root_key: ?[@sizeOf(u64) + evt.event_id_size]u8 = null; 90 if (selected.len != 0) { 91 var id: [evt.event_id_size]u8 = undefined; 92 _ = std.fmt.hexToBytes(&id, selected) catch return error.NotFound; 93 if (!std.mem.eql(u8, selected, &std.fmt.bytesToHex(id, .lower))) return error.NotFound; 94 const kind = selected_kind orelse return error.NotFound; 95 const stored_kind = (try evt.readEventKind(repo_opts.hash, kind_map, &id)) orelse return error.NotFound; 96 if (stored_kind != kind) return error.NotFound; 97 result.selected = .{ .id = try aa.dupe(u8, selected), .kind = kind }; 98 const meta = try readMeta(repo_opts.hash, arena, haxy_moment, kind, &id); 99 result.view = if (meta.removed) .removed else .active; 100 root_key = evt.orderKeyDesc(meta.created_order, &id); 101 } 102 103 for ([_]ui.RoutablePage.EventsView{ .active, .removed }) |view| { 104 const id_set_cursor = switch (view) { 105 .active => active_cursor, 106 .removed => removed_cursor, 107 }; 108 const event_window = switch (view) { 109 .active => &result.active, 110 .removed => &result.removed, 111 }; 112 const id_set = try DB.SortedSet(.read_only).init(id_set_cursor orelse { 113 if (require_selected_event and result.view == view) return error.NotFound; 114 continue; 115 }); 116 event_window.count = @intCast(try id_set.count()); 117 const selected_key = if (result.view == view) root_key else null; 118 if (selected_key) |*key| if (!try id_set.contains(key)) return error.NotFound; 119 120 var iter = if (selected_key) |*key| try id_set.iteratorFrom(key) else try id_set.iteratorFromIndex(0); 121 var events: std.ArrayList(Item) = .empty; 122 while (try iter.next()) |cursor_value| { 123 const id = try evt.readOrderKeyId(DB, cursor_value); 124 const kind = (try evt.readEventKind(repo_opts.hash, kind_map, &id)) orelse continue; 125 if (events.items.len == page_size) { 126 event_window.next = .{ .id = try formatId(aa, &id), .kind = kind }; 127 break; 128 } 129 const item = (try readItem(repo_opts.hash, arena, haxy_moment, kind_map, admin_moment, identity, view == .active, kind, &id)) orelse continue; 130 try events.append(aa, item); 131 } 132 event_window.events = events.items; 133 } 134 return result; 135 } 136 137 pub fn empty(aa: std.mem.Allocator, identity: []const u8, view: ui.RoutablePage.EventsView, local: bool, failure: ?[]const u8) !Self { 138 return .{ 139 .identity = try aa.dupe(u8, identity), 140 .view = view, 141 .selected = null, 142 .active = .{}, 143 .removed = .{}, 144 .header = if (local) try Header.empty(aa, failure) else Header.remote(), 145 }; 146 } 147 148 fn window(self: *const Self, view: ui.RoutablePage.EventsView) *const Window { 149 return switch (view) { 150 .active => &self.active, 151 .removed => &self.removed, 152 }; 153 } 154 155 fn formatId(aa: std.mem.Allocator, id: *const [evt.event_id_size]u8) ![]const u8 { 156 const hex = std.fmt.bytesToHex(id.*, .lower); 157 return try aa.dupe(u8, &hex); 158 } 159 160 fn readRecord( 161 comptime T: type, 162 comptime hash_kind: hash.HashKind, 163 arena: *std.heap.ArenaAllocator, 164 haxy_moment: evt.EventDB(hash_kind).HashMap(.read_only), 165 id: *const [evt.event_id_size]u8, 166 ) !?T.Record { 167 const DB = evt.EventDB(hash_kind); 168 const records_cursor = try haxy_moment.getCursor(hash.hashInt(hash_kind, T.record_map_key)) orelse return null; 169 const records = try DB.HashMap(.read_only).init(records_cursor); 170 const record_cursor = try records.getCursor(hash.hashInt(hash_kind, id)) orelse return null; 171 const record = try DB.HashMap(.read_only).init(record_cursor); 172 return try evt.read(T.Record, DB, hash_kind, arena, record); 173 } 174 175 const EventMeta = struct { 176 created_order: u64, 177 removed: bool, 178 }; 179 180 fn readMeta( 181 comptime hash_kind: hash.HashKind, 182 arena: *std.heap.ArenaAllocator, 183 haxy_moment: evt.EventDB(hash_kind).HashMap(.read_only), 184 kind: evt.EventKind, 185 id: *const [evt.event_id_size]u8, 186 ) !EventMeta { 187 return switch (kind) { 188 inline else => |event_kind| blk: { 189 const T = switch (event_kind) { 190 .user => evt.User, 191 .repo => evt.Repo, 192 .fork => evt.Fork, 193 .issue => evt.Issue, 194 .discuss => evt.Discussion, 195 .comment => evt.Comment, 196 .attach => evt.Attachment, 197 .patchrev => evt.PatchRev, 198 .patch => evt.Patch, 199 }; 200 const record = (try readRecord(T, hash_kind, arena, haxy_moment, id)) orelse return error.NotFound; 201 break :blk .{ .created_order = record.created_order, .removed = record.removed }; 202 }, 203 }; 204 } 205 206 fn readItem( 207 comptime hash_kind: hash.HashKind, 208 arena: *std.heap.ArenaAllocator, 209 haxy_moment: evt.EventDB(hash_kind).HashMap(.read_only), 210 kind_map: evt.EventDB(hash_kind).HashMap(.read_only), 211 admin_moment: ?evt.AdminDB.HashMap(.read_only), 212 identity: []const u8, 213 include_view_url: bool, 214 kind: evt.EventKind, 215 id: *const [evt.event_id_size]u8, 216 ) !?Item { 217 var item: Item = .{ 218 .id = try formatId(arena.allocator(), id), 219 .kind = kind, 220 .author = .unknown, 221 }; 222 switch (kind) { 223 .user => { 224 const record = (try readRecord(evt.User, hash_kind, arena, haxy_moment, id)) orelse return null; 225 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.event.email); 226 }, 227 .repo => { 228 const record = (try readRecord(evt.Repo, hash_kind, arena, haxy_moment, id)) orelse return null; 229 if (admin_moment) |moment| { 230 if (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, record.event.user_id)) |user| 231 item.author = .{ .user_name = user.event.name }; 232 } 233 }, 234 .fork => { 235 const record = (try readRecord(evt.Fork, hash_kind, arena, haxy_moment, id)) orelse return null; 236 if (admin_moment) |moment| { 237 if (try evt.User.readById(evt.AdminDB, evt.admin_repo_opts.hash, moment, arena, record.event.user_id)) |user| 238 item.author = .{ .user_name = user.event.name }; 239 } 240 }, 241 .issue => { 242 const record = (try readRecord(evt.Issue, hash_kind, arena, haxy_moment, id)) orelse return null; 243 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 244 if (!include_view_url) return item; 245 const route = ui.RoutablePage.repoThreadCommentsRoute(.issue, identity, item.id, 0) orelse return error.RouteTooLong; 246 item.view_url = try route.toUrl(arena); 247 }, 248 .discuss => { 249 const record = (try readRecord(evt.Discussion, hash_kind, arena, haxy_moment, id)) orelse return null; 250 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 251 if (!include_view_url) return item; 252 const route = ui.RoutablePage.repoThreadCommentsRoute(.discuss, identity, item.id, 0) orelse return error.RouteTooLong; 253 item.view_url = try route.toUrl(arena); 254 }, 255 .comment => { 256 const record = (try readRecord(evt.Comment, hash_kind, arena, haxy_moment, id)) orelse return null; 257 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 258 if (!include_view_url) return item; 259 var thread_id: [evt.event_id_size]u8 = undefined; 260 _ = std.fmt.hexToBytes(&thread_id, &record.event.thread_id) catch return error.InvalidEventId; 261 const thread_kind = (try evt.readEventKind(hash_kind, kind_map, &thread_id)) orelse return item; 262 const route = ui.RoutablePage.repoThreadCommentRoute(thread_kind, identity, &record.event.thread_id, item.id, 0) orelse return item; 263 item.view_url = try route.toUrl(arena); 264 }, 265 .attach => { 266 const record = (try readRecord(evt.Attachment, hash_kind, arena, haxy_moment, id)) orelse return null; 267 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 268 if (!include_view_url) return item; 269 var parent_id: [evt.event_id_size]u8 = undefined; 270 _ = std.fmt.hexToBytes(&parent_id, &record.event.parent_id) catch return error.InvalidEventId; 271 const parent_kind = (try evt.readEventKind(hash_kind, kind_map, &parent_id)) orelse return item; 272 const route = ui.RoutablePage.repoThreadCommentsRoute(parent_kind, identity, &record.event.parent_id, 0) orelse return item; 273 item.view_url = try route.toUrl(arena); 274 }, 275 .patch => { 276 const record = (try readRecord(evt.Patch, hash_kind, arena, haxy_moment, id)) orelse return null; 277 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 278 }, 279 .patchrev => { 280 const record = (try readRecord(evt.PatchRev, hash_kind, arena, haxy_moment, id)) orelse return null; 281 item.author = try ui.Author.initFromEmail(admin_moment, arena, record.author_email); 282 }, 283 } 284 return item; 285 } 286 287 pub const View = struct { 288 box: wgt.Box(ui.Widget), 289 data: *const Self, 290 session: *ui.Session, 291 detailed_index: [2]?usize, 292 293 const header_index = 0; 294 const content_index = 1; 295 const list_index = 0; 296 const detail_index = 1; 297 const list_max_width = 20; 298 const detail_min_width = 40; 299 300 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !View { 301 var outer = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 302 errdefer outer.deinit(allocator); 303 304 var header_view = try Header.View.init(allocator, data, session); 305 errdefer header_view.deinit(allocator); 306 try outer.children.put(allocator, header_view.getFocus().id, .{ .widget = .{ .repo_events_header = header_view }, .rect = null, .min_size = .{ .width = null, .height = 3 } }); 307 308 var content_stack = try wgt.Stack(ui.Widget).init(allocator); 309 errdefer content_stack.deinit(allocator); 310 inline for ([_]ui.RoutablePage.EventsView{ .active, .removed }) |view| { 311 var content_box = try initContent(allocator, data, session, view); 312 errdefer content_box.deinit(allocator); 313 try content_stack.children.put(allocator, content_box.getFocus().id, .{ .box = content_box }); 314 } 315 content_stack.getFocus().child_id = content_stack.children.keys()[@intFromEnum(data.view)]; 316 try outer.children.put(allocator, content_stack.getFocus().id, .{ .widget = .{ .stack = content_stack }, .rect = null, .min_size = null }); 317 outer.getFocus().child_id = outer.children.keys()[header_index]; 318 return .{ .box = outer, .data = data, .session = session, .detailed_index = .{ null, null } }; 319 } 320 321 fn initContent(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session, view: ui.RoutablePage.EventsView) !wgt.Box(ui.Widget) { 322 var content_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 323 errdefer content_box.deinit(allocator); 324 325 var list_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .vert, .stretch = true }); 326 errdefer list_box.deinit(allocator); 327 const event_window = data.window(view); 328 for (event_window.events) |event| { 329 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, event.kind, event.id) orelse return error.RouteTooLong; 330 const link = try std.fmt.allocPrint(session.page_arena.allocator(), "ai:{s}", .{try route.toUrl(session.page_arena)}); 331 try addRow(allocator, &list_box, @tagName(event.kind), link); 332 } 333 if (event_window.next) |next| { 334 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, next.kind, next.id) orelse return error.RouteTooLong; 335 const link = try std.fmt.allocPrint(session.page_arena.allocator(), "a:{s}", .{try route.toUrl(session.page_arena)}); 336 try addRow(allocator, &list_box, "next →", link); 337 } 338 if (list_box.children.count() > 0) list_box.getFocus().child_id = list_box.children.keys()[0]; 339 var list_scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = list_box }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 340 errdefer list_scroll.deinit(allocator); 341 try content_box.children.put(allocator, list_scroll.getFocus().id, .{ .widget = .{ .scroll = list_scroll }, .rect = null, .min_size = .{ .width = list_max_width, .height = null }, .max_size = .{ .width = list_max_width, .height = null } }); 342 343 var detail_box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .vert }); 344 errdefer detail_box.deinit(allocator); 345 var detail_scroll = try wgt.Scroll(ui.Widget).init(allocator, .{ .box = detail_box }, .{ .direction = .vert, .web_native = !session.is_terminal, .fill = true }); 346 errdefer detail_scroll.deinit(allocator); 347 try content_box.children.put(allocator, detail_scroll.getFocus().id, .{ .widget = .{ .scroll = detail_scroll }, .rect = null, .min_size = .{ .width = detail_min_width, .height = null } }); 348 349 content_box.getFocus().child_id = content_box.children.keys()[list_index]; 350 return content_box; 351 } 352 353 fn addRow(allocator: std.mem.Allocator, box: *wgt.Box(ui.Widget), text: []const u8, link: []const u8) !void { 354 var row = try wgt.TextBox(ui.Widget).init(allocator, text, .{ .border_style = .hidden, .rounded_corners = true, .wrap_kind = .none }); 355 errdefer row.deinit(allocator); 356 row.getFocus().focusable = true; 357 row.getFocus().kind = .{ .custom = link }; 358 try box.children.put(allocator, row.getFocus().id, .{ .widget = .{ .text_box = row }, .rect = null, .min_size = null }); 359 } 360 361 pub fn deinit(self: *View, allocator: std.mem.Allocator) void { 362 self.box.deinit(allocator); 363 } 364 365 fn header(self: *View) *Header.View { 366 return &self.box.children.values()[header_index].widget.repo_events_header; 367 } 368 369 fn contentStack(self: *View) *wgt.Stack(ui.Widget) { 370 return &self.box.children.values()[content_index].widget.stack; 371 } 372 373 fn selectedView(self: *View) ui.RoutablePage.EventsView { 374 const stack = self.contentStack(); 375 const id = stack.getFocus().child_id orelse return .active; 376 return @enumFromInt(stack.children.getIndex(id) orelse 0); 377 } 378 379 fn eventWindow(self: *View) *const Window { 380 return self.data.window(self.selectedView()); 381 } 382 383 fn content(self: *View) *wgt.Box(ui.Widget) { 384 const stack = self.contentStack(); 385 return &stack.children.values()[@intFromEnum(self.selectedView())].box; 386 } 387 388 fn listScroll(self: *View) *wgt.Scroll(ui.Widget) { 389 return &self.content().children.values()[list_index].widget.scroll; 390 } 391 392 fn listBox(self: *View) *wgt.Box(ui.Widget) { 393 return &self.listScroll().child.box; 394 } 395 396 fn detailScroll(self: *View) *wgt.Scroll(ui.Widget) { 397 return &self.content().children.values()[detail_index].widget.scroll; 398 } 399 400 fn detailBox(self: *View) *wgt.Box(ui.Widget) { 401 return &self.detailScroll().child.box; 402 } 403 404 fn detailActive(self: *View) bool { 405 return self.content().getFocus().child_id == self.detailScroll().getFocus().id; 406 } 407 408 fn headerActive(self: *View) bool { 409 return self.box.getFocus().child_id == self.header().getFocus().id; 410 } 411 412 fn selectedEventIndex(self: *View) ?usize { 413 const id = self.listBox().getFocus().child_id orelse return null; 414 const index = self.listBox().children.getIndex(id) orelse return null; 415 return if (index < self.eventWindow().events.len) index else null; 416 } 417 418 pub fn build(self: *View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 419 self.clearGrid(); 420 if (self.header().getSelectedIndex()) |index| 421 self.contentStack().getFocus().child_id = self.contentStack().children.keys()[index]; 422 const view = self.selectedView(); 423 var selected_kind: ?evt.EventKind = null; 424 var selected_id: []const u8 = ""; 425 if (view == self.data.view) { 426 if (self.data.selected) |selected| { 427 selected_kind = selected.kind; 428 selected_id = selected.id; 429 } 430 } 431 if (ui.RoutablePage.repoEventsRoute(self.data.identity, view, selected_kind, selected_id)) |route| 432 self.session.data.current_page = route; 433 try self.refreshDetail(allocator); 434 435 if (root_focus.grandchild_id) |id| if (self.box.getFocus().children.contains(id)) { 436 if (self.selectedEventIndex()) |index| { 437 const event = self.eventWindow().events[index]; 438 if (ui.RoutablePage.repoEventsRoute(self.data.identity, view, event.kind, event.id)) |route| 439 self.session.data.current_page = route; 440 } 441 }; 442 443 const list = self.listBox(); 444 for (list.children.keys(), list.children.values()) |id, *child| switch (child.widget) { 445 .text_box => |*text_box| text_box.options.border_style = if (list.getFocus().child_id == id) .single else .hidden, 446 else => {}, 447 }; 448 449 const both_fit = if (constraint.max_size.width) |width| width >= list_max_width + detail_min_width else true; 450 self.content().children.values()[list_index].max_size = if (both_fit) .{ .width = list_max_width, .height = null } else null; 451 const detail_width = if (constraint.max_size.width) |width| if (both_fit) width - list_max_width else width else detail_min_width; 452 self.content().children.values()[detail_index].min_size = .{ .width = detail_width, .height = null }; 453 for (self.detailBox().children.values()) |*child| child.max_size = .{ .width = detail_width -| 2, .height = null }; 454 455 try self.box.build(allocator, constraint, root_focus); 456 } 457 458 fn refreshDetail(self: *View, allocator: std.mem.Allocator) !void { 459 const index = self.selectedEventIndex() orelse return; 460 const detailed_index = &self.detailed_index[@intFromEnum(self.selectedView())]; 461 if (detailed_index.*) |old| if (old == index) return; 462 const box = self.detailBox(); 463 for (box.children.values()) |*child| child.widget.deinit(allocator); 464 box.children.clearAndFree(allocator); 465 box.getFocus().child_id = null; 466 467 const item = self.eventWindow().events[index]; 468 if (item.view_url) |url| { 469 var link = try wgt.TextBox(ui.Widget).init(allocator, "view event", .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 470 errdefer link.deinit(allocator); 471 link.getFocus().focusable = true; 472 link.getFocus().kind = .{ .custom = try std.fmt.allocPrint(self.session.page_arena.allocator(), "a:{s}", .{url}) }; 473 try box.children.put(allocator, link.getFocus().id, .{ .widget = .{ .text_box = link }, .rect = null, .min_size = null }); 474 } 475 { 476 var kind = try wgt.TextBox(ui.Widget).init(allocator, @tagName(item.kind), .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .word, .label = " kind " }); 477 errdefer kind.deinit(allocator); 478 kind.getFocus().focusable = true; 479 try box.children.put(allocator, kind.getFocus().id, .{ .widget = .{ .text_box = kind }, .rect = null, .min_size = null }); 480 } 481 { 482 var author = try ui.authorBox(allocator, self.session.page_arena, item.author); 483 errdefer author.deinit(allocator); 484 try box.children.put(allocator, author.getFocus().id, .{ .widget = .{ .text_box = author }, .rect = null, .min_size = null }); 485 } 486 487 if (box.children.count() > 0) box.getFocus().child_id = box.children.keys()[0]; 488 self.detailScroll().x = 0; 489 self.detailScroll().y = 0; 490 self.detailScroll().getFocus().version +%= 1; 491 detailed_index.* = index; 492 } 493 494 pub fn input(self: *View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 495 if (self.headerActive()) { 496 if (key == .arrow_down) root_focus.setFocus(self.content().getFocus().id) else try self.header().input(allocator, key, root_focus); 497 return; 498 } 499 if (key == .arrow_up and self.contentAtTop()) { 500 self.header().focusCurrent(root_focus); 501 return; 502 } 503 if (self.detailActive()) { 504 if (key == .arrow_left) { 505 root_focus.setFocus(self.listScroll().getFocus().id); 506 } else if (inp.rowDelta(key, @intCast(self.detailBox().children.count()))) |delta| { 507 ui.moveRowFocus(self.detailBox(), self.detailScroll(), root_focus, delta); 508 } 509 } else if (inp.rowDelta(key, @intCast(self.listBox().children.count()))) |delta| { 510 ui.moveRowFocus(self.listBox(), self.listScroll(), root_focus, delta); 511 } else switch (key) { 512 .arrow_right => if (self.detailBox().children.count() > 0) root_focus.setFocus(self.detailScroll().getFocus().id), 513 .enter => if (self.selectedEventIndex() != null) root_focus.setFocus(self.detailScroll().getFocus().id), 514 else => {}, 515 } 516 } 517 518 fn contentAtTop(self: *View) bool { 519 const box = if (self.detailActive()) self.detailBox() else self.listBox(); 520 const scroll = if (self.detailActive()) self.detailScroll() else self.listScroll(); 521 const id = box.getFocus().child_id orelse return true; 522 return box.children.getIndex(id) == 0 and scroll.y == 0; 523 } 524 525 pub fn getSelectedIndex(self: *View) ?usize { 526 return if (self.headerActive()) 0 else 1; 527 } 528 529 pub fn clearGrid(self: *View) void { 530 self.box.clearGrid(); 531 } 532 533 pub fn getGrid(self: View) ?Grid { 534 return self.box.getGrid(); 535 } 536 537 pub fn getFocus(self: *View) *Focus { 538 return self.box.getFocus(); 539 } 540 }; 541 542 pub const Header = struct { 543 sync_status: ?[]const u8, 544 545 const nothing = "nothing to sync"; 546 const unsynced = "sync needed!"; 547 548 const Progress = struct { 549 message: *std.Io.Writer.Allocating, 550 551 pub fn run(self: @This(), _: std.Io, event: rp.ProgressEvent) !void { 552 switch (event) { 553 .text => |value| { 554 self.message.clearRetainingCapacity(); 555 try self.message.writer.writeAll(value); 556 }, 557 else => {}, 558 } 559 } 560 }; 561 562 pub fn local( 563 comptime repo_kind: rp.RepoKind, 564 comptime repo_opts: rp.RepoOpts(repo_kind), 565 aa: std.mem.Allocator, 566 repo: *rp.Repo(repo_kind, repo_opts), 567 io: std.Io, 568 failure: ?[]const u8, 569 ) !Header { 570 if (failure != null) return Header.empty(aa, failure); 571 const remote_name = (try remoteName(repo_kind, repo_opts, repo, io, aa)) orelse return .{ .sync_status = nothing }; 572 const remote_ref: rf.Ref = .{ .kind = .{ .remote = remote_name }, .name = evt.events_ref.name }; 573 const local_oid = (try repo.readRef(io, evt.events_ref)) orelse return .{ .sync_status = nothing }; 574 const remote_oid = (try repo.readRef(io, remote_ref)) orelse return .{ .sync_status = nothing }; 575 return .{ .sync_status = if (std.mem.eql(u8, &local_oid, &remote_oid)) nothing else unsynced }; 576 } 577 578 pub fn empty(aa: std.mem.Allocator, failure: ?[]const u8) !Header { 579 return .{ .sync_status = if (failure) |name| try std.fmt.allocPrint(aa, "error: {s}", .{name}) else nothing }; 580 } 581 582 pub fn remote() Header { 583 return .{ .sync_status = null }; 584 } 585 586 pub const View = struct { 587 box: wgt.Box(ui.Widget), 588 session: *ui.Session, 589 tab_ids: [2]usize, 590 button_id: ?usize, 591 592 pub fn init(allocator: std.mem.Allocator, data: *const Self, session: *ui.Session) !Header.View { 593 var box = try wgt.Box(ui.Widget).init(allocator, .{ .border_style = null, .direction = .horiz }); 594 errdefer box.deinit(allocator); 595 var tab_ids: [2]usize = undefined; 596 inline for ([_]ui.RoutablePage.EventsView{ .active, .removed }, 0..) |view, i| { 597 const route = ui.RoutablePage.repoEventsRoute(data.identity, view, null, "") orelse return error.RouteTooLong; 598 const count = data.window(view).count; 599 var label_buf: [64]u8 = undefined; 600 const label = try std.fmt.bufPrint(&label_buf, "{s} ({d})", .{ @tagName(view), count }); 601 var tab = try wgt.TextBox(ui.Widget).init(allocator, label, .{ .border_style = .hidden, .rounded_corners = true, .wrap_kind = .none }); 602 errdefer tab.deinit(allocator); 603 tab.getFocus().focusable = true; 604 tab.getFocus().kind = .{ .custom = try std.fmt.allocPrint(session.page_arena.allocator(), "ai:{s}", .{try route.toUrl(session.page_arena)}) }; 605 tab_ids[i] = tab.getFocus().id; 606 try box.children.put(allocator, tab.getFocus().id, .{ .widget = .{ .text_box = tab }, .rect = null, .min_size = .{ .width = label.len + 2, .height = null } }); 607 } 608 609 var button_id: ?usize = null; 610 if (data.header.sync_status != null) { 611 box.getFocus().kind = .{ .custom = "form:/sync" }; 612 var button = try wgt.TextBox(ui.Widget).init(allocator, "sync", .{ .border_style = .single, .rounded_corners = true, .wrap_kind = .none }); 613 errdefer button.deinit(allocator); 614 button.getFocus().focusable = true; 615 button.getFocus().kind = .{ .custom = "submit" }; 616 button_id = button.getFocus().id; 617 try box.children.put(allocator, button.getFocus().id, .{ .widget = .{ .text_box = button }, .rect = null, .min_size = null }); 618 } 619 620 if (data.header.sync_status) |status_text| { 621 var status = try wgt.TextBox(ui.Widget).init(allocator, status_text, .{ .border_style = .hidden, .wrap_kind = .none }); 622 errdefer status.deinit(allocator); 623 try box.children.put(allocator, status.getFocus().id, .{ .widget = .{ .text_box = status }, .rect = null, .min_size = null, .flex = .shrink }); 624 } 625 box.getFocus().child_id = tab_ids[@intFromEnum(data.view)]; 626 return .{ .box = box, .session = session, .tab_ids = tab_ids, .button_id = button_id }; 627 } 628 629 pub fn deinit(self: *Header.View, allocator: std.mem.Allocator) void { 630 self.box.deinit(allocator); 631 } 632 633 pub fn build(self: *Header.View, allocator: std.mem.Allocator, constraint: layout.Constraint, root_focus: *Focus) !void { 634 self.clearGrid(); 635 for (self.tab_ids) |id| { 636 const child = self.box.children.getPtr(id) orelse continue; 637 const tab = switch (child.widget) { 638 .text_box => |*text_box| text_box, 639 else => continue, 640 }; 641 tab.options.border_style = if (self.box.getFocus().child_id == id) .single else .hidden; 642 } 643 try self.box.build(allocator, constraint, root_focus); 644 } 645 646 pub fn input(self: *Header.View, allocator: std.mem.Allocator, key: Key, root_focus: *Focus) !void { 647 const selected = self.box.getFocus().child_id orelse return; 648 const current = self.box.children.getIndex(selected) orelse return; 649 const count = 2 + @as(usize, @intFromBool(self.button_id != null)); 650 if (inp.moveTab(key, current, count)) |next| { 651 root_focus.setFocus(self.box.children.keys()[next]); 652 return; 653 } 654 switch (key) { 655 .enter => if (self.syncFocused()) try self.requestSync(allocator), 656 .mouse => |mouse| if (self.button_id) |id| if (inp.leftClickOn(root_focus, id, mouse)) try self.requestSync(allocator), 657 else => {}, 658 } 659 } 660 661 fn requestSync(self: *Header.View, allocator: std.mem.Allocator) !void { 662 if (!self.session.is_terminal) return; 663 if (self.session.host_request != null) return; 664 const button_id = self.button_id orelse return; 665 const child = self.box.children.getPtr(button_id) orelse return; 666 const button = switch (child.widget) { 667 .text_box => |*button| button, 668 else => return, 669 }; 670 try button.setContent(allocator, "syncing..."); 671 self.session.host_request = .sync_events; 672 } 673 674 fn syncFocused(self: *Header.View) bool { 675 const button_id = self.button_id orelse return false; 676 return self.box.getFocus().child_id == button_id; 677 } 678 679 pub fn getSelectedIndex(self: *Header.View) ?usize { 680 const id = self.box.getFocus().child_id orelse return null; 681 return std.mem.indexOfScalar(usize, &self.tab_ids, id); 682 } 683 684 pub fn focusCurrent(self: *Header.View, root_focus: *Focus) void { 685 root_focus.setFocus(self.box.getFocus().child_id orelse self.tab_ids[0]); 686 } 687 688 pub fn clearGrid(self: *Header.View) void { 689 self.box.clearGrid(); 690 } 691 692 pub fn getGrid(self: Header.View) ?Grid { 693 return self.box.getGrid(); 694 } 695 696 pub fn getFocus(self: *Header.View) *Focus { 697 return self.box.getFocus(); 698 } 699 }; 700 }; 701 702 pub fn performSync(allocator: std.mem.Allocator, session: *ui.Session) !void { 703 if (comptime builtin.target.cpu.arch == .wasm32) return; 704 const io = session.io orelse return; 705 const source = session.local orelse return; 706 defer session.refresh_requested = true; 707 const failure = sync(io, allocator, source) catch |err| { 708 session.data.sync_failure = @errorName(err); 709 return; 710 }; 711 if (failure) |message| { 712 defer allocator.free(message); 713 session.data.sync_failure = try session.arena.allocator().dupe(u8, message); 714 return; 715 } 716 session.data.sync_failure = null; 717 switch (session.data.current_page) { 718 .repo_events => |route| { 719 if (ui.RoutablePage.repoEventsRoute(route.name.slice(), route.view, null, "")) |first| 720 session.data.current_page = first; 721 }, 722 else => {}, 723 } 724 } 725 726 fn remoteName( 727 comptime repo_kind: rp.RepoKind, 728 comptime repo_opts: rp.RepoOpts(repo_kind), 729 repo: *rp.Repo(repo_kind, repo_opts), 730 io: std.Io, 731 allocator: std.mem.Allocator, 732 ) !?[]u8 { 733 var remotes = try repo.listRemotes(io, allocator); 734 defer remotes.deinit(); 735 const names = remotes.sections.keys(); 736 if (names.len == 0) return null; 737 for (names) |name| { 738 const remote_ref: rf.Ref = .{ .kind = .{ .remote = name }, .name = evt.events_ref.name }; 739 if (try repo.readRef(io, remote_ref) != null) return try allocator.dupe(u8, name); 740 } 741 return try allocator.dupe(u8, names[0]); 742 } 743 744 fn isLoopbackSshUrl(url: []const u8) bool { 745 const uri = std.Uri.parse(url) catch return false; 746 const host = switch (uri.host orelse return false) { 747 .raw => |value| value, 748 .percent_encoded => |value| value, 749 }; 750 return std.mem.eql(u8, host, "localhost") or 751 std.mem.eql(u8, host, "127.0.0.1") or 752 std.mem.eql(u8, host, "::1") or 753 std.mem.eql(u8, host, "[::1]"); 754 } 755 756 pub fn sync(io: std.Io, allocator: std.mem.Allocator, source: ui.RepoSource) !?[]u8 { 757 var message: std.Io.Writer.Allocating = .init(allocator); 758 defer message.deinit(); 759 760 switch (source.repo_kind) { 761 inline else => |repo_kind| { 762 var any_repo = try rp.AnyRepo(repo_kind, .{ .ProgressCtx = Header.Progress }).open(io, allocator, source.localInitOpts()); 763 defer any_repo.deinit(io, allocator); 764 switch (any_repo) { 765 inline else => |*repo| { 766 const repo_opts = repo.self_repo_opts; 767 const remote_name = (try remoteName(repo_kind, repo_opts, repo, io, allocator)) orelse return error.RemoteNotFound; 768 defer allocator.free(remote_name); 769 770 var config = try repo.listConfig(io, allocator); 771 defer config.deinit(); 772 const configured_ssh = if (config.sections.get("core")) |core| core.get("sshcommand") else null; 773 const ssh = if (configured_ssh) |command| if (command.len > 0) command else "ssh" else "ssh"; 774 const remote_section = try std.fmt.allocPrint(allocator, "remote.{s}", .{remote_name}); 775 defer allocator.free(remote_section); 776 const remote_config = config.sections.get(remote_section) orelse return error.RemoteNotFound; 777 const fetch_url = remote_config.get("url") orelse return error.UrlNotFound; 778 const push_url = remote_config.get("pushurl") orelse fetch_url; 779 const loopback_opts = " -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null"; 780 const fetch_ssh_command = try std.fmt.allocPrint(allocator, "{s}{s} -o BatchMode=yes -o LogLevel=QUIET", .{ ssh, if (isLoopbackSshUrl(fetch_url)) loopback_opts else "" }); 781 defer allocator.free(fetch_ssh_command); 782 const push_ssh_command = try std.fmt.allocPrint(allocator, "{s}{s} -o BatchMode=yes -o LogLevel=QUIET", .{ ssh, if (isLoopbackSshUrl(push_url)) loopback_opts else "" }); 783 defer allocator.free(push_ssh_command); 784 const fetch_transport_opts: xit.net.Opts(repo_opts.ProgressCtx) = .{ .progress_ctx = .{ .message = &message }, .wire = .{ .ssh = .{ .command = fetch_ssh_command } } }; 785 const push_transport_opts: xit.net.Opts(repo_opts.ProgressCtx) = .{ .progress_ctx = .{ .message = &message }, .wire = .{ .ssh = .{ .command = push_ssh_command } } }; 786 787 const fetch_refspec = try std.fmt.allocPrint(allocator, "+refs/heads/{s}:refs/remotes/{s}/{s}", .{ evt.events_ref.name, remote_name, evt.events_ref.name }); 788 defer allocator.free(fetch_refspec); 789 var fetch_opts = fetch_transport_opts; 790 fetch_opts.refspecs = &.{fetch_refspec}; 791 message.clearRetainingCapacity(); 792 repo.fetch(io, allocator, remote_name, fetch_opts) catch |err| { 793 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 794 return err; 795 }; 796 797 const remote_ref: rf.Ref = .{ .kind = .{ .remote = remote_name }, .name = evt.events_ref.name }; 798 const local_oid = try repo.readRef(io, evt.events_ref); 799 const remote_oid = try repo.readRef(io, remote_ref); 800 if (local_oid == null and remote_oid == null) { 801 try evt.consume(.repo, repo_kind, repo_opts, io, allocator, repo, evt.events_ref, &.{}); 802 return null; 803 } 804 if (remote_oid != null) try evt.mergeEvents(repo_kind, repo_opts, io, allocator, repo, remote_ref); 805 try evt.consume(.repo, repo_kind, repo_opts, io, allocator, repo, evt.events_ref, &.{}); 806 807 const push_refspec = try std.fmt.allocPrint(allocator, "refs/heads/{s}:refs/heads/{s}", .{ evt.events_ref.name, evt.events_ref.name }); 808 defer allocator.free(push_refspec); 809 message.clearRetainingCapacity(); 810 repo.push(io, allocator, remote_name, push_refspec, false, push_transport_opts) catch |err| { 811 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 812 return err; 813 }; 814 message.clearRetainingCapacity(); 815 repo.fetch(io, allocator, remote_name, fetch_opts) catch |err| { 816 if (err == error.ServerReportedError and message.written().len != 0) return try allocator.dupe(u8, message.written()); 817 return err; 818 }; 819 }, 820 } 821 }, 822 } 823 return null; 824 } 825