X-Git-Url: https://gitweb.ps.run/chirp/blobdiff_plain/4fe63dfa385c43131c1a8b71a181ddce0f70a3f3..159b5e88014eb1084a1a3be64d8b0259b409f74d:/src/main.zig diff --git a/src/main.zig b/src/main.zig index f747891..78c7cb0 100644 --- a/src/main.zig +++ b/src/main.zig @@ -138,8 +138,8 @@ fn reencode(text: []const u8) !PostText { return result; } -fn decode(text: []const u8) !std.BoundedArray(u8, 32) { - var result = try std.BoundedArray(u8, 32).init(0); +fn decode(text: []const u8) !std.BoundedArray(u8, 1024) { + var result = try std.BoundedArray(u8, 1024).init(0); const max_len = @min(text.len, 1024); // TODO: PostText length @@ -199,7 +199,7 @@ const Chirp = struct { } } - pub fn register_user(env: *lmdb.Env, username: []const u8, password: []const u8) !bool { + pub fn register_user(env: lmdb.Env, username: []const u8, password: []const u8) !bool { const username_array = try Username.fromSlice(username); const display_name = try DisplayName.fromSlice(username); @@ -235,7 +235,7 @@ const Chirp = struct { } pub fn login_user( - env: *lmdb.Env, + env: lmdb.Env, username: []const u8, password: []const u8, ) !SessionToken { @@ -261,7 +261,7 @@ const Chirp = struct { } } - fn logout_user(env: *lmdb.Env, session_token: SessionToken) !void { + fn logout_user(env: lmdb.Env, session_token: SessionToken) !void { const txn = try env.txn(); defer txn.commit() catch {}; @@ -269,7 +269,7 @@ const Chirp = struct { try sessions.del(session_token); } - fn append_post(env: *lmdb.Env, user_id: UserId, post_list: PostList, parent_id: ?PostId, quote_id: ?PostId, text: []const u8) !void { + fn append_post(env: lmdb.Env, user_id: UserId, post_list: PostList, parent_id: ?PostId, quote_id: ?PostId, text: []const u8) !void { var post_id: PostId = undefined; // TODO: do this in one commit @@ -317,7 +317,7 @@ const Chirp = struct { } } - fn post(env: *lmdb.Env, user_id: UserId, text: []const u8) !void { + fn post(env: lmdb.Env, user_id: UserId, text: []const u8) !void { const txn = try env.txn(); const users = try Db.users(txn); @@ -328,7 +328,7 @@ const Chirp = struct { try append_post(env, user_id, user.posts, null, null, text); } - fn comment(env: *lmdb.Env, user_id: UserId, parent_post_id: PostId, text: []const u8) !void { + fn comment(env: lmdb.Env, user_id: UserId, parent_post_id: PostId, text: []const u8) !void { const txn = try env.txn(); const posts = try Db.posts(txn); @@ -339,7 +339,7 @@ const Chirp = struct { try append_post(env, user_id, parent_post.comments, parent_post_id, null, text); } - fn quote(env: *lmdb.Env, user_id: UserId, quote_post_id: PostId, text: []const u8) !void { + fn quote(env: lmdb.Env, user_id: UserId, quote_post_id: PostId, text: []const u8) !void { const txn = try env.txn(); const users = try Db.users(txn); @@ -350,7 +350,7 @@ const Chirp = struct { try append_post(env, user_id, user.posts, null, quote_post_id, text); } - fn vote(env: *lmdb.Env, post_id: PostId, user_id: UserId, kind: Vote.Kind) !void { + fn vote(env: lmdb.Env, post_id: PostId, user_id: UserId, kind: Vote.Kind) !void { const txn = try env.txn(); defer txn.commit() catch {}; @@ -390,7 +390,7 @@ const Chirp = struct { } } - fn follow(env: *lmdb.Env, user_id: UserId, user_id_to_follow: UserId) !void { + fn follow(env: lmdb.Env, user_id: UserId, user_id_to_follow: UserId) !void { const txn = try env.txn(); defer txn.commit() catch {}; @@ -413,7 +413,7 @@ const Chirp = struct { } } - fn get_session_user_id(env: *lmdb.Env, session_token: SessionToken) !UserId { + fn get_session_user_id(env: lmdb.Env, session_token: SessionToken) !UserId { const txn = try env.txn(); defer txn.abort(); @@ -422,7 +422,7 @@ const Chirp = struct { return try sessions.get(session_token); } - fn get_user(env: *lmdb.Env, user_id: UserId) !User { + fn get_user(env: lmdb.Env, user_id: UserId) !User { const txn = try env.txn(); defer txn.abort(); @@ -460,34 +460,7 @@ fn html_form(res: *http.Response, comptime fmt_action: []const u8, args_action: // write {{{ const TimeStr = std.BoundedArray(u8, 256); -// fn time_str(_t: i64) TimeStr { -// var result = TimeStr.init(0) catch unreachable; - -// const nthSecond: u64 = @intCast(_t); -// const nthDay = nthSecond / std.time.s_per_day; -// const secondInDay = nthSecond - nthDay * std.time.s_per_day; -// const hourInDay = secondInDay / std.time.s_per_hour; -// const secondInHour = secondInDay % std.time.s_per_hour; -// const minuteInHour = secondInHour / 60; -// const secondInMinute = secondInDay % std.time.s_per_min; - -// const nthYear = nthDay / 365; // maybe check -// const year = 1970 + nthYear; -// const leapdays = year / 4 - year / 100 + year / 400; -// const secondInYear = nthSecond - (nthYear * 365 + leapdays) * std.time.s_per_day; -// const dayInYear = secondInYear / std.time.s_per_day; - -// std.fmt.format(result.writer(), "", .{ -// hourInDay, -// minuteInHour, -// secondInMinute, -// dayInYear, -// 0, -// year, -// }) catch unreachable; - -// return result; -// } + // http://howardhinnant.github.io/date_algorithms.html fn time_str(_t: i64) TimeStr { const t: u64 = @intCast(_t); @@ -526,9 +499,6 @@ fn write_header(res: *http.Response, logged_in: ?Login) !void { try html_form(res, "/logout", .{}, .{ \\type="submit" value="Logout" }); - try html_form(res, "/quit", .{}, .{ - \\type="submit" value="Quit" - }); try res.write("

", .{}); } else { try res.write( @@ -560,18 +530,6 @@ fn write_start(res: *http.Response) !void { \\ form { \\ display: inline-block; \\ } - // \\ .toggle > form > input:placeholder-shown { - // \\ display: none; - // \\ } - // \\ .toggle:hover > form > input { - // \\ display: inline-block; - // \\ } - // \\ .toggle > form > input:placeholder-shown + input { - // \\ display: none; - // \\ } - // \\ .toggle:hover > form > input + input { - // \\ display: inline-block; - // \\ } \\ \\ \\ @@ -758,6 +716,488 @@ fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user_li } // }}} +// GET {{{ +const GET = struct { + const Self = @This(); + + txn: lmdb.Txn, + req: *http.Request, + res: *http.Response, + logged_in: ?Login, + + fn handle(self: Self) !bool { + const ti = @typeInfo(Self); + inline for (ti.Struct.decls) |f_decl| { + const has_arg = f_decl.name.len > 1 and f_decl.name[f_decl.name.len - 1] == '/'; + const match = if (has_arg) std.mem.startsWith(u8, self.req.target, f_decl.name) else std.mem.eql(u8, self.req.target, f_decl.name); + + if (match) { + const f = @field(Self, f_decl.name); + const fi = @typeInfo(@TypeOf(f)); + if (fi.Fn.params.len == 1) { + try @call(.auto, f, .{self}); + } else { + const arg_type = fi.Fn.params[1].type.?; + const arg_info = @typeInfo(arg_type); + var arg: arg_type = undefined; + const field = arg_info.Struct.fields[0]; + if (self.req.target.len <= f_decl.name.len) { + return error.NoArgProvided; + } + const str = self.req.target[f_decl.name.len..self.req.target.len]; + const field_ti = @typeInfo(field.type); + switch (field_ti) { + // TODO: maybe handle BoundedArray? + .Int => { + @field(arg, field.name) = try std.fmt.parseUnsigned(field.type, str, 16); + }, + .Enum => { + @field(arg, field.name) = try parse_enum(field.type, str, 16); + }, + else => { + @field(arg, field.name) = str; + }, + } + + try @call(.auto, f, .{ self, arg }); + } + return true; + } + } + return false; + } + + pub fn @"/user/"(self: Self, args: struct { username: []const u8 }) !void { + const user_ids = try Db.user_ids(self.txn); + if (user_ids.get(try Username.fromSlice(args.username))) |user_id| { + const users = try Db.users(self.txn); + const user = try users.get(user_id); + + const following = try user.following.open(self.txn); + const followers = try user.followers.open(self.txn); + + try self.res.write( + \\

{s}

+ , .{ + user.name.constSlice(), user.display_name.constSlice(), + }); + if (self.logged_in != null and user_id != self.logged_in.?.user.id) { + if (try followers.has(self.logged_in.?.user.id)) { + try html_form(self.res, "/follow", .{}, .{ + .{ "type=\"hidden\" name=\"user_id\" value=\"{x}\"", .{@intFromEnum(user_id)} }, + \\type="submit" value="Unfollow" + }); + } else { + try html_form(self.res, "/follow", .{}, .{ + .{ "type=\"hidden\" name=\"user_id\" value=\"{x}\"", .{@intFromEnum(user_id)} }, + \\type="submit" value="Follow" + }); + } + } + try self.res.write( + \\ {} following + \\ {} followers + \\
+ , .{ + user.name.constSlice(), following.len(), + user.name.constSlice(), followers.len(), + }); + + if (self.logged_in != null and user_id == self.logged_in.?.user.id) { + try self.res.write( + \\Lists + \\Feeds + \\Edit
+ \\
+ , .{}); + } + + try self.res.write("
", .{}); + + try write_posts(self.res, self.txn, self.logged_in, user.posts); + } else |err| { + try self.res.write( + \\

User not found [{}]

+ , .{err}); + } + } + pub fn @"/following/"(self: Self, args: struct { username: []const u8 }) !void { + const user_ids = try Db.user_ids(self.txn); + if (user_ids.get(try Username.fromSlice(args.username))) |user_id| { + const users = try Db.users(self.txn); + const user = try users.get(user_id); + + const following = try user.following.open(self.txn); + var it = following.iterator(); + + try self.res.write( + \\

{s} follows:

+ , .{ user.name.constSlice(), user.display_name.constSlice() }); + + while (it.next()) |following_id| { + const following_user = try users.get(following_id); + + try self.res.write( + \\{s}
+ , .{ following_user.name.constSlice(), following_user.display_name.constSlice() }); + } + } else |err| { + try self.res.write( + \\

User not found [{}]

+ , .{err}); + } + } + pub fn @"/followers/"(self: Self, args: struct { username: []const u8 }) !void { + const user_ids = try Db.user_ids(self.txn); + if (user_ids.get(try Username.fromSlice(args.username))) |user_id| { + const users = try Db.users(self.txn); + const user = try users.get(user_id); + + const followers = try user.followers.open(self.txn); + var it = followers.iterator(); + + try self.res.write( + \\

{s} followers:

+ , .{ user.name.constSlice(), user.display_name.constSlice() }); + + while (it.next()) |follower_id| { + const follower_user = try users.get(follower_id); + + try self.res.write( + \\{s}
+ , .{ follower_user.name.constSlice(), follower_user.display_name.constSlice() }); + } + } else |err| { + try self.res.write( + \\

User not found [{}]

+ , .{err}); + } + } + pub fn @"/post/"(self: Self, args: struct { post_id: PostId }) !void { + try write_post(self.res, self.txn, self.logged_in, args.post_id, .{ + .recurse = 3, // TODO: factor out + .show_comment_field = true, + }); + } + pub fn @"/quotes/"(self: Self, args: struct { post_id: PostId }) !void { + const posts = try Db.posts(self.txn); + const post = try posts.get(args.post_id); + + const referer = if (self.req.get_header("Referer")) |ref| ref else self.req.target; + + try html_form(self.res, "/quote", .{}, .{ + .{ "type=\"hidden\" name=\"referer\" value=\"{s}\"", .{referer} }, + .{ "type=\"hidden\" name=\"post_id\" value=\"{x}\"", .{@intFromEnum(post.id)} }, + "type=\"text\" name=\"text\" placeholder=\"Text\"", + "type=\"submit\" value=\"Quote\"", + }); + try self.res.write("
", .{}); + + const quotes_view = try post.quotes.open(self.txn); + var it = quotes_view.iterator(); + while (it.next()) |quote_id| { + try write_post(self.res, self.txn, self.logged_in, quote_id, .{ .recurse = 1 }); + try self.res.write("
", .{}); + } + } + pub fn @"/list/"(self: Self, args: struct { list_id: PostListList.Index }) !void { + try write_posts(self.res, self.txn, self.logged_in, PostList{ .idx = args.list_id }); + } + pub fn @"/lists"(self: Self) !void { + if (self.logged_in) |login| { + const post_lists_view = try login.user.post_lists.open(self.txn); + + try html_form(self.res, "/new_list", .{}, .{ + "type=\"text\" name=\"name\"", + "type=\"submit\" value=\"Add\"", + }); + + try self.res.write("

", .{}); + + var it = post_lists_view.iterator(); + while (it.next()) |kv| { + const name = kv.val.name; + const post_list = kv.val.list; + try self.res.write( + \\{s}
+ , .{ post_list.idx.?, name.constSlice() }); + } + } else { + try self.res.write("not logged in", .{}); + } + } + pub fn @"/post"(self: Self) !void { + if (self.logged_in) |login| { + _ = login; + const referer = if (self.req.get_header("Referer")) |ref| ref else self.req.target; + + try html_form(self.res, "/post", .{}, .{ + .{ "type=\"hidden\" name=\"referer\" value=\"{s}\"", .{referer} }, + "type=\"text\" name=\"text\"", + "type=\"submit\" value=\"Post\"", + }); + } else { + try self.res.write("not logged in", .{}); + } + } + pub fn @"/edit"(self: Self) !void { + if (self.logged_in) |login| { + try self.res.write("
Username: ", .{}); + try html_form(self.res, "/set_username", .{}, .{ + .{ "type=\"text\" name=\"username\" placeholder=\"{s}\"", .{login.user.name.constSlice()} }, + "type=\"submit\" value=\"Change\"", + }); + try self.res.write("
Display Name: ", .{}); + try html_form(self.res, "/set_display_name", .{}, .{ + .{ "type=\"text\" name=\"display_name\" placeholder=\"{s}\"", .{login.user.display_name.constSlice()} }, + "type=\"submit\" value=\"Change\"", + }); + try self.res.write("
Password: ", .{}); + try html_form(self.res, "/set_password", .{}, .{ + "type=\"text\" name=\"password\"", + "type=\"submit\" value=\"Change\"", + }); + } else { + try self.res.write("not logged in", .{}); + } + } + pub fn @"/"(self: Self) !void { + if (self.logged_in) |login| { + try write_timeline(self.res, self.txn, self.logged_in, login.user.following); + } else { + // TODO: generic home + try self.res.write("Homepage", .{}); + } + } +}; +// }}} + +// POST {{{ +const POST = struct { + const Self = @This(); + + env: lmdb.Env, + req: *http.Request, + res: *http.Response, + logged_in: ?Login, + + pub fn handle(self: Self) !bool { + const ti = @typeInfo(Self); + inline for (ti.Struct.decls) |f_decl| { + if (std.mem.eql(u8, f_decl.name, self.req.target)) { + const f = @field(Self, f_decl.name); + const fi = @typeInfo(@TypeOf(f)); + if (fi.Fn.params.len == 1) { + _ = try @call(.auto, f, .{self}); + } else { + const args_type = fi.Fn.params[fi.Fn.params.len - 1].type.?; + const argsi = @typeInfo(args_type); + var args: args_type = undefined; + inline for (argsi.Struct.fields) |field| { + const str = self.req.get_value(field.name) orelse return error.ArgNotFound; + const field_ti = @typeInfo(field.type); + switch (field_ti) { + .Int => { + @field(args, field.name) = try std.fmt.parseUnsigned(field.type, str, 16); + }, + .Enum => { + @field(args, field.name) = try parse_enum(field.type, str, 16); + }, + else => { + @field(args, field.name) = str; + }, + } + } + try @call(.auto, f, .{ self, args }); + } + return true; + } + } + return false; + } + + pub fn @"/register"(self: Self, args: struct { username: []const u8, password: []const u8 }) !void { + // TODO: handle args not supplied + std.debug.print("New user: {s} {s}\n", .{ args.username, args.password }); + _ = try Chirp.register_user(self.env, args.username, args.password); + } + pub fn @"/login"(self: Self, args: struct { username: []const u8, password: []const u8 }) !void { + // TODO: handle args not supplied + std.debug.print("New login: {s} {s}\n", .{ args.username, args.password }); + if (Chirp.login_user(self.env, args.username, args.password)) |session_token| { + self.res.status = .see_other; + try self.res.add_header( + "Set-Cookie", + .{ "session_token={x}; HttpOnly", .{session_token} }, + ); + } else |err| { + std.debug.print("login_user err: {}\n", .{err}); + } + } + pub fn @"/logout"(self: Self) !void { + if (self.logged_in) |login| { + try Chirp.logout_user(self.env, login.session_token); + + try self.res.add_header( + "Set-Cookie", + .{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"}, + ); + } + } + pub fn @"/set_username"(self: Self, args: struct { username: []const u8 }) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + const username = try Username.fromSlice(args.username); + + const txn = try self.env.txn(); + defer txn.commit() catch {}; + + const user_ids = try Db.user_ids(txn); + + if (!try user_ids.has(username)) { + try user_ids.del(login.user.name); + try user_ids.put(username, login.user.id); + + const users = try Db.users(txn); + var user = login.user; + user.name = username; + try users.put(login.user.id, user); + } + } + pub fn @"/set_display_name"(self: Self, args: struct { display_name: []const u8 }) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + const display_name = try DisplayName.fromSlice(args.display_name); + + const txn = try self.env.txn(); + defer txn.commit() catch {}; + + const users = try Db.users(txn); + var user = login.user; + user.display_name = display_name; + try users.put(login.user.id, user); + } + pub fn @"/set_password"(self: Self, args: struct { password: []const u8 }) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + + const txn = try self.env.txn(); + defer txn.commit() catch {}; + + const users = try Db.users(txn); + var user = login.user; + user.password_hash = try Chirp.hash_password(args.password); + try users.put(login.user.id, user); + } + pub fn @"/post"(self: Self) !void { + if (self.logged_in) |login| { + const text = self.req.get_value("text").?; + const has_referer = self.req.get_value("referer"); + + try Chirp.post(self.env, login.user.id, text); + + if (has_referer) |r| { + const decoded = try decode(r); + try self.res.redirect(decoded.constSlice()); + } + } + } + pub fn @"/comment"(self: Self) !void { + if (self.logged_in) |login| { + const text = self.req.get_value("text") orelse return error.NoText; + const post_id_str = self.req.get_value("post_id") orelse return error.NoPostId; + const post_id = try parse_enum(PostId, post_id_str, 16); + + try Chirp.comment(self.env, login.user.id, post_id, text); + } + } + pub fn @"/quote"(self: Self) !void { + if (self.logged_in) |login| { + const text = self.req.get_value("text") orelse return error.NoText; + const post_id_str = self.req.get_value("post_id") orelse return error.NoPostId; + const has_referer = self.req.get_value("referer"); + + const post_id = try parse_enum(PostId, post_id_str, 16); + + try Chirp.quote(self.env, login.user.id, post_id, text); + + if (has_referer) |r| { + const decoded = try decode(r); + try self.res.redirect(decoded.constSlice()); + } + } + } + pub fn @"/new_list"(self: Self) !void { + if (self.logged_in) |login| { + const name_str = self.req.get_value("name") orelse return error.NoName; + const name = try Name.fromSlice(name_str); + + var txn = try self.env.txn(); + + const postlist = try PostList.init(txn); + try txn.commit(); + + txn = try self.env.txn(); + var post_lists_view = try login.user.post_lists.open(txn); + _ = try post_lists_view.append(.{ .name = name, .list = postlist }); + try txn.commit(); + } + } + pub fn @"/list_add"(self: Self) !void { + if (self.logged_in) |login| { + _ = login; + + const list_id_str = self.req.get_value("list_id") orelse return error.NoListId; + const post_id_str = self.req.get_value("post_id") orelse return error.NoPostId; + const list_id = try std.fmt.parseUnsigned(PostList.Index, list_id_str, 16); + const post_id = try parse_enum(PostId, post_id_str, 16); + + const txn = try self.env.txn(); + defer txn.commit() catch {}; + + const post_list = PostList{ .idx = list_id }; + var post_list_view = try post_list.open(txn); + std.debug.print("adding {x} to {x}\n", .{ post_id, list_id }); + if (try post_list_view.has(post_id)) { + try post_list_view.del(post_id); + } else { + try post_list_view.append(post_id); + } + } + } + pub fn @"/upvote"(self: Self) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + + const post_id_str = self.req.get_value("post_id") orelse return error.NoPostId; + const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 16)); + + try Chirp.vote(self.env, post_id, login.user.id, .Up); + } + pub fn @"/downvote"(self: Self) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + + const post_id_str = self.req.get_value("post_id") orelse return error.NoPostId; + const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 16)); + + try Chirp.vote(self.env, post_id, login.user.id, .Down); + } + pub fn @"/follow"(self: Self) !void { + const login = self.logged_in orelse return error.NotLoggedIn; + + const user_id_str = self.req.get_value("user_id") orelse return error.NoUserId; + const user_id: UserId = @enumFromInt(try std.fmt.parseUnsigned(u64, user_id_str, 16)); + + try Chirp.follow(self.env, login.user.id, user_id); + } + pub fn @"/quit"(self: Self) !void { + if (self.req.get_header("Referer")) |ref| { + try self.res.redirect(ref); + } else { + try self.res.redirect("/"); + } + try self.res.send(); + // break :accept; + } +}; +// }}} + fn list_users(env: lmdb.Env) !void { const txn = try env.txn(); defer txn.abort(); @@ -835,7 +1275,7 @@ pub fn main() !void { std.debug.print("Posts:\n", .{}); try list_posts(env); - try handle_connection(&server, &env); + try handle_connection(&server, env); // const ThreadCount = 1; // var ts: [ThreadCount]std.Thread = undefined; @@ -849,13 +1289,13 @@ pub fn main() !void { std.debug.print("done\n", .{}); } -fn handle_connection(server: *http.Server, env: *lmdb.Env) !void { +fn handle_connection(server: *http.Server, env: lmdb.Env) !void { // TODO: static? var req_buffer: [ReqBufferSize]u8 = undefined; var res_head_buffer: [ResHeadBufferSize]u8 = undefined; var res_body_buffer: [ResBodyBufferSize]u8 = undefined; - accept: while (true) { + while (true) { server.wait(); while (try server.next_request(&req_buffer)) |*_req| { @@ -907,395 +1347,28 @@ fn handle_connection(server: *http.Server, env: *lmdb.Env) !void { const txn = try env.txn(); defer txn.abort(); - if (std.mem.startsWith(u8, req.target, "/user/")) { - const username = req.target[6..req.target.len]; - - const user_ids = try Db.user_ids(txn); - if (user_ids.get(try Username.fromSlice(username))) |user_id| { - const users = try Db.users(txn); - const user = try users.get(user_id); - - const following = try user.following.open(txn); - const followers = try user.followers.open(txn); - - try res.write( - \\

{s}

- , .{ - user.name.constSlice(), user.display_name.constSlice(), - }); - if (logged_in != null and user_id != logged_in.?.user.id) { - if (try followers.has(logged_in.?.user.id)) { - try html_form(&res, "/follow", .{}, .{ - .{ "type=\"hidden\" name=\"user_id\" value=\"{x}\"", .{@intFromEnum(user_id)} }, - \\type="submit" value="Unfollow" - }); - } else { - try html_form(&res, "/follow", .{}, .{ - .{ "type=\"hidden\" name=\"user_id\" value=\"{x}\"", .{@intFromEnum(user_id)} }, - \\type="submit" value="Follow" - }); - } - } - try res.write( - \\ {} following - \\ {} followers - \\
- , .{ - user.name.constSlice(), following.len(), - user.name.constSlice(), followers.len(), - }); - - if (logged_in != null and user_id == logged_in.?.user.id) { - try res.write( - \\Lists - \\Feeds - \\Edit
- \\
- , .{}); - } - - try res.write("
", .{}); - - try write_posts(&res, txn, logged_in, user.posts); - } else |err| { - try res.write( - \\

User not found [{}]

- , .{err}); - } - } else if (std.mem.startsWith(u8, req.target, "/following/")) { - const username = req.target[11..req.target.len]; - - const user_ids = try Db.user_ids(txn); - if (user_ids.get(try Username.fromSlice(username))) |user_id| { - const users = try Db.users(txn); - const user = try users.get(user_id); - - const following = try user.following.open(txn); - var it = following.iterator(); - - try res.write( - \\

{s} follows:

- , .{ user.name.constSlice(), user.display_name.constSlice() }); - - while (it.next()) |following_id| { - const following_user = try users.get(following_id); - - try res.write( - \\{s}
- , .{ following_user.name.constSlice(), following_user.display_name.constSlice() }); - } - } else |err| { - try res.write( - \\

User not found [{}]

- , .{err}); - } - } else if (std.mem.startsWith(u8, req.target, "/followers/")) { - const username = req.target[11..req.target.len]; - - const user_ids = try Db.user_ids(txn); - if (user_ids.get(try Username.fromSlice(username))) |user_id| { - const users = try Db.users(txn); - const user = try users.get(user_id); - - const followers = try user.followers.open(txn); - var it = followers.iterator(); - - try res.write( - \\

{s} followers:

- , .{ user.name.constSlice(), user.display_name.constSlice() }); - - while (it.next()) |follower_id| { - const follower_user = try users.get(follower_id); - - try res.write( - \\{s}
- , .{ follower_user.name.constSlice(), follower_user.display_name.constSlice() }); - } - } else |err| { - try res.write( - \\

User not found [{}]

- , .{err}); - } - } else if (std.mem.startsWith(u8, req.target, "/post/")) { - const post_id_str = req.target[6..req.target.len]; - const post_id = try parse_enum(PostId, post_id_str, 16); - - try write_post(&res, txn, logged_in, post_id, .{ - .recurse = 3, // TODO: factor out - .show_comment_field = true, - }); - } else if (std.mem.startsWith(u8, req.target, "/quotes/")) { - const post_id_str = req.target[8..req.target.len]; - const post_id = try parse_enum(PostId, post_id_str, 16); - - const posts = try Db.posts(txn); - const post = try posts.get(post_id); - - const referer = if (req.get_header("Referer")) |ref| ref else req.target; - - try html_form(&res, "/quote", .{}, .{ - .{ "type=\"hidden\" name=\"referer\" value=\"{s}\"", .{referer} }, - .{ "type=\"hidden\" name=\"post_id\" value=\"{x}\"", .{@intFromEnum(post.id)} }, - "type=\"text\" name=\"text\" placeholder=\"Text\"", - "type=\"submit\" value=\"Quote\"", - }); - try res.write("
", .{}); - - const quotes_view = try post.quotes.open(txn); - var it = quotes_view.iterator(); - while (it.next()) |quote_id| { - try write_post(&res, txn, logged_in, quote_id, .{ .recurse = 1 }); - try res.write("
", .{}); - } - } else if (std.mem.startsWith(u8, req.target, "/list/")) { - const list_id_str = req.target[6..req.target.len]; - const list_id = try std.fmt.parseUnsigned(PostListList.Index, list_id_str, 16); - - try write_posts(&res, txn, logged_in, PostList{ .idx = list_id }); - } else if (std.mem.eql(u8, req.target, "/lists")) { - if (logged_in) |login| { - const post_lists_view = try login.user.post_lists.open(txn); - - try html_form(&res, "/new_list", .{}, .{ - "type=\"text\" name=\"name\"", - "type=\"submit\" value=\"Add\"", - }); - - try res.write("

", .{}); - - var it = post_lists_view.iterator(); - while (it.next()) |kv| { - const name = kv.val.name; - const post_list = kv.val.list; - try res.write( - \\{s}
- , .{ post_list.idx.?, name.constSlice() }); - } - } else { - try res.write("not logged in", .{}); - } - } else if (std.mem.eql(u8, req.target, "/post")) { - if (logged_in) |login| { - _ = login; - const referer = if (req.get_header("Referer")) |ref| ref else req.target; - - try html_form(&res, "/post", .{}, .{ - .{ "type=\"hidden\" name=\"referer\" value=\"{s}\"", .{referer} }, - "type=\"text\" name=\"text\"", - "type=\"submit\" value=\"Post\"", - }); - } else { - try res.write("not logged in", .{}); - } - } else if (std.mem.eql(u8, req.target, "/edit")) { - if (logged_in) |login| { - try res.write("
Username: ", .{}); - try html_form(&res, "/set_username", .{}, .{ - .{ "type=\"text\" name=\"username\" placeholder=\"{s}\"", .{login.user.name.constSlice()} }, - "type=\"submit\" value=\"Change\"", - }); - try res.write("
Display Name: ", .{}); - try html_form(&res, "/set_display_name", .{}, .{ - .{ "type=\"text\" name=\"display_name\" placeholder=\"{s}\"", .{login.user.display_name.constSlice()} }, - "type=\"submit\" value=\"Change\"", - }); - try res.write("
Password: ", .{}); - try html_form(&res, "/set_password", .{}, .{ - "type=\"text\" name=\"password\"", - "type=\"submit\" value=\"Change\"", - }); - } else { - try res.write("not logged in", .{}); - } - } else if (std.mem.eql(u8, req.target, "/")) { - if (logged_in) |login| { - try write_timeline(&res, txn, logged_in, login.user.following); - } else { - // TODO: generic home - try res.write("Homepage", .{}); - } - } else { + const get = GET{ + .txn = txn, + .req = req, + .res = &res, + .logged_in = logged_in, + }; + if (try get.handle()) {} else { try res.redirect("/"); } + try write_end(&res); try res.send(); } // api else { - if (std.mem.eql(u8, req.target, "/register")) { - // TODO: handle args not supplied - const username = req.get_value("username").?; - const password = req.get_value("password").?; - - std.debug.print("New user: {s} {s}\n", .{ username, password }); - _ = try Chirp.register_user(env, username, password); - } else if (std.mem.eql(u8, req.target, "/login")) { - // TODO: handle args not supplied - const username = req.get_value("username").?; - const password = req.get_value("password").?; - - std.debug.print("New login: {s} {s}\n", .{ username, password }); - if (Chirp.login_user(env, username, password)) |session_token| { - res.status = .see_other; - try res.add_header( - "Set-Cookie", - .{ "session_token={x}; HttpOnly", .{session_token} }, - ); - } else |err| { - std.debug.print("login_user err: {}\n", .{err}); - } - } else if (std.mem.eql(u8, req.target, "/logout")) { - if (logged_in) |login| { - try Chirp.logout_user(env, login.session_token); - - try res.add_header( - "Set-Cookie", - .{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"}, - ); - } - } else if (std.mem.eql(u8, req.target, "/set_username")) { - const login = logged_in orelse return error.NotLoggedIn; - const username_str = req.get_value("username") orelse return error.NoUsername; - const username = try Username.fromSlice(username_str); - - const txn = try env.txn(); - defer txn.commit() catch {}; - - const user_ids = try Db.user_ids(txn); - - if (!try user_ids.has(username)) { - try user_ids.del(login.user.name); - try user_ids.put(username, login.user.id); - - const users = try Db.users(txn); - var user = login.user; - user.name = username; - try users.put(login.user.id, user); - } - } else if (std.mem.eql(u8, req.target, "/set_display_name")) { - const login = logged_in orelse return error.NotLoggedIn; - const display_name_str = req.get_value("display_name") orelse return error.NoDisplayName; - const display_name = try DisplayName.fromSlice(display_name_str); - - const txn = try env.txn(); - defer txn.commit() catch {}; - - const users = try Db.users(txn); - var user = login.user; - user.display_name = display_name; - try users.put(login.user.id, user); - } else if (std.mem.eql(u8, req.target, "/set_password")) { - const login = logged_in orelse return error.NotLoggedIn; - const password_str = req.get_value("password") orelse return error.NoPassword; - - const txn = try env.txn(); - defer txn.commit() catch {}; - - const users = try Db.users(txn); - var user = login.user; - user.password_hash = try Chirp.hash_password(password_str); - try users.put(login.user.id, user); - } else if (std.mem.eql(u8, req.target, "/post")) { - if (logged_in) |login| { - const text = req.get_value("text").?; - const has_referer = req.get_value("referer"); - - try Chirp.post(env, login.user.id, text); - - if (has_referer) |r| { - const decoded = try decode(r); - try res.redirect(decoded.constSlice()); - } - } - } else if (std.mem.eql(u8, req.target, "/comment")) { - if (logged_in) |login| { - const text = req.get_value("text") orelse return error.NoText; - const post_id_str = req.get_value("post_id") orelse return error.NoPostId; - const post_id = try parse_enum(PostId, post_id_str, 16); - - try Chirp.comment(env, login.user.id, post_id, text); - } - } else if (std.mem.eql(u8, req.target, "/quote")) { - if (logged_in) |login| { - const text = req.get_value("text") orelse return error.NoText; - const post_id_str = req.get_value("post_id") orelse return error.NoPostId; - const has_referer = req.get_value("referer"); - - const post_id = try parse_enum(PostId, post_id_str, 16); - - try Chirp.quote(env, login.user.id, post_id, text); - - if (has_referer) |r| { - const decoded = try decode(r); - try res.redirect(decoded.constSlice()); - } - } - } else if (std.mem.eql(u8, req.target, "/new_list")) { - if (logged_in) |login| { - const name_str = req.get_value("name") orelse return error.NoName; - const name = try Name.fromSlice(name_str); - - var txn = try env.txn(); - - const postlist = try PostList.init(txn); - try txn.commit(); - - txn = try env.txn(); - var post_lists_view = try login.user.post_lists.open(txn); - _ = try post_lists_view.append(.{ .name = name, .list = postlist }); - try txn.commit(); - } - } else if (std.mem.eql(u8, req.target, "/list_add")) { - if (logged_in) |login| { - _ = login; - - const list_id_str = req.get_value("list_id") orelse return error.NoListId; - const post_id_str = req.get_value("post_id") orelse return error.NoPostId; - const list_id = try std.fmt.parseUnsigned(PostList.Index, list_id_str, 16); - const post_id = try parse_enum(PostId, post_id_str, 16); - - const txn = try env.txn(); - defer txn.commit() catch {}; - - const post_list = PostList{ .idx = list_id }; - var post_list_view = try post_list.open(txn); - std.debug.print("adding {x} to {x}\n", .{ post_id, list_id }); - if (try post_list_view.has(post_id)) { - try post_list_view.del(post_id); - } else { - try post_list_view.append(post_id); - } - } - } else if (std.mem.eql(u8, req.target, "/upvote")) { - const login = logged_in orelse return error.NotLoggedIn; - - const post_id_str = req.get_value("post_id") orelse return error.NoPostId; - const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 16)); - - try Chirp.vote(env, post_id, login.user.id, .Up); - } else if (std.mem.eql(u8, req.target, "/downvote")) { - const login = logged_in orelse return error.NotLoggedIn; - - const post_id_str = req.get_value("post_id") orelse return error.NoPostId; - const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 16)); - - try Chirp.vote(env, post_id, login.user.id, .Down); - } else if (std.mem.eql(u8, req.target, "/follow")) { - const login = logged_in orelse return error.NotLoggedIn; - - const user_id_str = req.get_value("user_id") orelse return error.NoUserId; - const user_id: UserId = @enumFromInt(try std.fmt.parseUnsigned(u64, user_id_str, 16)); - - try Chirp.follow(env, login.user.id, user_id); - } else if (std.mem.eql(u8, req.target, "/quit")) { - if (req.get_header("Referer")) |ref| { - try res.redirect(ref); - } else { - try res.redirect("/"); - } - try res.send(); - break :accept; - } else { + const post = POST{ + .env = env, + .req = req, + .res = &res, + .logged_in = logged_in, + }; + if (try post.handle()) {} else { try res.write("

[POST] {s}

", .{req.target}); }