// TODO: choose sizes
id: UserId,
name: Username,
+ display_name: DisplayName,
password_hash: PasswordHash,
posts: PostList,
+ following: UserList,
+ followers: UserList,
};
const Post = struct {
id: PostId,
+ parent_id: ?PostId,
+ quote_id: ?PostId,
user_id: UserId,
time: Timestamp,
downvotes: u64 = 0,
votes: VoteList,
comments: PostList,
- // quote posts
+ quotes: PostList,
text: PostText,
};
const Id = u64;
const Login = struct {
user: User,
- user_id: UserId,
session_token: SessionToken,
};
const UserId = enum(u64) { _ };
const PostId = enum(u64) { _ };
const Timestamp = i64;
const Username = std.BoundedArray(u8, 16);
+const DisplayName = std.BoundedArray(u8, 64);
const PasswordHash = std.BoundedArray(u8, 128);
const SessionToken = u64;
const CookieValue = std.BoundedArray(u8, 128);
const PostText = std.BoundedArray(u8, 1024);
-const PostList = db.SetList(PostId, void);
-const UserList = db.SetList(UserId, User);
+const PostList = db.Set(PostId);
+const UserList = db.Set(UserId);
const VoteList = db.SetList(UserId, Vote);
+fn parse_enum(comptime E: type, buf: []const u8, base: u8) !E {
+ return @enumFromInt(try std.fmt.parseUnsigned(@typeInfo(E).Enum.tag_type, buf, base));
+}
+
+// https://developer.mozilla.org/en-US/docs/Glossary/Percent-encoding
+fn reencode(text: []const u8) !PostText {
+ var result = try PostText.init(0);
+
+ const len = @min(text.len, 1024); // TODO: PostText length
+
+ var idx: usize = 0;
+ while (idx < len) : (idx += 1) {
+ const c = text[idx];
+ if (c == '+') {
+ try result.append(' ');
+ } else if (c == '%') {
+ // special case of &#...
+ // assume only &#, no &#x
+ if (idx + 6 < text.len and std.mem.eql(u8, text[idx .. idx + 6], "%26%23")) {
+ const num_start = idx + 6;
+ var num_end = num_start;
+ while (num_end < text.len and std.ascii.isDigit(text[num_end])) {
+ num_end += 1;
+ }
+
+ if (num_end + 2 < text.len and
+ text[num_end] == '%' and
+ text[num_end + 1] == '3' and
+ std.ascii.toLower(text[num_end + 2]) == 'b')
+ {
+ try std.fmt.format(result.writer(), "&#{s};", .{text[num_start..num_end]});
+ idx = num_end + 2;
+ continue;
+ }
+ }
+
+ try std.fmt.format(result.writer(), "&#x{s};", .{text[idx + 1 .. idx + 3]});
+ idx += 2;
+ } else {
+ try result.append(c);
+ }
+ }
+
+ return result;
+}
+
+fn decode(text: []const u8) !std.BoundedArray(u8, 32) {
+ var result = try std.BoundedArray(u8, 32).init(0);
+
+ const max_len = @min(text.len, 1024); // TODO: PostText length
+
+ var idx: usize = 0;
+ var len: usize = 0;
+ while (len < max_len and idx < text.len) : ({
+ idx += 1;
+ len += 1;
+ }) {
+ const c = text[idx];
+ if (c == '+') {
+ try result.append(' ');
+ } else if (c == '%') {
+ if (idx + 2 < text.len) {
+ try std.fmt.format(result.writer(), "{c}", .{try std.fmt.parseUnsigned(u8, text[idx + 1 .. idx + 3], 16)});
+ }
+ idx += 2;
+ } else {
+ try result.append(c);
+ }
+ }
+
+ return result;
+}
+
const Chirp = struct {
pub fn hash_password(password: []const u8) !PasswordHash {
var hash_buffer = try PasswordHash.init(128);
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);
const txn = try env.txn();
defer txn.commit() catch {};
return false;
} else {
const user_id = try db.Prng.gen(users.dbi, UserId);
- const posts = try Db.posts(txn);
try users.put(user_id, User{
.id = user_id,
.name = username_array,
+ .display_name = display_name,
.password_hash = try hash_password(password),
- .posts = try PostList.init(posts.dbi),
+ .posts = try PostList.init(txn),
+ .following = try UserList.init(txn),
+ .followers = try UserList.init(txn),
});
try user_ids.put(username_array, user_id);
try sessions.del(session_token);
}
- fn post(env: *lmdb.Env, user_id: UserId, 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
const posts = try Db.posts(txn);
post_id = try db.Prng.gen(posts.dbi, PostId);
- const votes = try txn.dbi("votes");
+
+ const decoded_text = try reencode(text);
try posts.put(post_id, Post{
.id = post_id,
+ .parent_id = parent_id,
+ .quote_id = quote_id,
.user_id = user_id,
.time = std.time.timestamp(),
- .votes = try VoteList.init(votes),
- .comments = try PostList.init(posts.dbi),
- .text = try PostText.fromSlice(text),
+ .votes = try VoteList.init(txn),
+ .comments = try PostList.init(txn),
+ .quotes = try PostList.init(txn),
+ .text = decoded_text,
});
}
txn = try env.txn();
defer txn.commit() catch {};
- const users = try Db.users(txn);
- var user = try users.get(user_id);
+ var posts_view = try post_list.open(txn);
+ try posts_view.append(post_id, {});
+ }
+
+ if (quote_id != null) {
+ txn = try env.txn();
+ defer txn.commit() catch {};
const posts = try Db.posts(txn);
- var posts_view = try user.posts.open(posts.dbi);
- try posts_view.append(post_id, {});
+ const quote_post = try posts.get(quote_id.?);
+ var quotes = try quote_post.quotes.open(txn);
+ try quotes.append(post_id, {});
}
}
+ fn post(env: *lmdb.Env, user_id: UserId, text: []const u8) !void {
+ const txn = try env.txn();
+
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
+
+ txn.abort();
+
+ 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 {
+ const txn = try env.txn();
+
+ const posts = try Db.posts(txn);
+ const parent_post = try posts.get(parent_post_id);
+
+ txn.abort();
+
+ 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 {
+ const txn = try env.txn();
+
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
+
+ txn.abort();
+
+ 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 {
const txn = try env.txn();
defer txn.commit() catch {};
const posts = try Db.posts(txn);
- const votes = try txn.dbi("votes");
var p = try posts.get(post_id);
- var votes_view = try p.votes.open(votes);
+ var votes_view = try p.votes.open(txn);
+
+ var add_vote = true;
if (try votes_view.has(user_id)) {
const old_vote = try votes_view.get(user_id);
- if (old_vote.kind == kind) {
- return;
- } else {
- try votes_view.del(user_id);
+ add_vote = old_vote.kind != kind;
- if (old_vote.kind == .Up) {
- p.upvotes -= 1;
- } else {
- p.downvotes -= 1;
- }
- try posts.put(post_id, p);
+ try votes_view.del(user_id);
+
+ switch (old_vote.kind) {
+ .Up => p.upvotes -= 1,
+ .Down => p.downvotes -= 1,
}
+ try posts.put(post_id, p);
}
- try votes_view.append(user_id, Vote{
- .kind = kind,
- .time = std.time.timestamp(),
- });
- if (kind == .Up) {
- p.upvotes += 1;
- } else {
- p.downvotes += 1;
+ if (add_vote) {
+ try votes_view.append(user_id, Vote{
+ .kind = kind,
+ .time = std.time.timestamp(),
+ });
+
+ if (kind == .Up) {
+ p.upvotes += 1;
+ } else {
+ p.downvotes += 1;
+ }
+ try posts.put(post_id, p);
}
- try posts.put(post_id, p);
}
- fn unvote(env: *lmdb.Env, post_id: PostId, user_id: 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 {};
- const posts = try Db.posts(txn);
- const votes = try txn.dbi("votes");
+ const users = try Db.users(txn);
- var p = try posts.get(post_id);
- var votes_view = try p.votes.open(votes);
+ const user = try users.get(user_id);
+ const user_to_follow = try users.get(user_id_to_follow);
- if (try votes_view.has(user_id)) {
- const v = try votes_view.get(user_id);
+ var user_following = try user.following.open(txn);
+ var user_to_follow_followers = try user_to_follow.followers.open(txn);
- if (v.kind == .Up) {
- p.upvotes -= 1;
- } else {
- p.downvotes -= 1;
- }
- try posts.put(post_id, p);
-
- try votes_view.del(user_id);
+ if ((user_following.has(user_id_to_follow) catch false) and (user_to_follow_followers.has(user_id) catch false)) {
+ try user_following.del(user_id_to_follow);
+ try user_to_follow_followers.del(user_id);
+ } else if (!(user_following.has(user_id_to_follow) catch true) and !(user_to_follow_followers.has(user_id) catch true)) {
+ try user_following.append(user_id_to_follow, {});
+ try user_to_follow_followers.append(user_id, {});
+ } else {
+ std.debug.print("Something went wrong when trying to unfollow\n", .{});
}
}
// html {{{
fn html_form(res: *http.Response, comptime fmt_action: []const u8, args_action: anytype, inputs: anytype) !void {
- try res.write("<form style=\"display: inline-block!important;\" action=\"", .{});
+ try res.write("<form action=\"", .{});
try res.write(fmt_action, args_action);
try res.write("\" method=\"post\">", .{});
// }}}
// 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(), "<time>{:0>2}:{:0>2}:{:0>2} {:0>2}.{:0>2}.{:0>4} UTC</time>", .{
+// 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);
+ var result = TimeStr.init(0) catch unreachable;
+
+ const nD = @divFloor(t, std.time.s_per_day);
+ const z: u64 = nD + 719468;
+ const era: u64 = (if (z >= 0) z else z - 146096) / 146097;
+ const doe: u64 = z - era * 146097; // [0, 146096]
+ const yoe: u64 = (doe - doe / 1460 + doe / 36524 - doe / 146096) / 365; // [0, 399]
+ const Y: u64 = yoe + era * 400;
+ const doy: u64 = doe - (365 * yoe + yoe / 4 - yoe / 100); // [0, 365]
+ const mp: u64 = (5 * doy + 2) / 153; // [0, 11]
+ const D: u64 = doy - (153 * mp + 2) / 5 + 1; // [1, 31]
+ const M: u64 = if (mp < 10) mp + 3 else mp - 9;
+
+ const h: u64 = @divFloor(t - nD * std.time.s_per_day, std.time.s_per_hour);
+ const m: u64 = @divFloor(t - nD * std.time.s_per_day - h * std.time.s_per_hour, std.time.s_per_min);
+ const s: u64 = t - nD * std.time.s_per_day - h * std.time.s_per_hour - m * std.time.s_per_min;
+
+ std.fmt.format(result.writer(), "<time><span>{:0>4}-{:0>2}-{:0>2} {:0>2}:{:0>2}:{:0>2} UTC</span><script>document.currentScript.parentElement.innerHTML=new Date({}).toLocaleString()</script></time>", .{ Y, M, D, h, m, s, t * 1000 }) catch unreachable;
+
+ return result;
+}
fn write_header(res: *http.Response, logged_in: ?Login) !void {
if (logged_in) |login| {
try res.write(
- \\<a href="/user/{s}">Home</a><br />
+ \\<a href="/">Home</a><br />
+ , .{});
+ try res.write(
+ \\<a href="/user/{s}">Profile</a><br />
, .{login.user.name.constSlice()});
+ try res.write(
+ \\<a href="/post">Post</a><br />
+ , .{});
+ try res.write(
+ \\<a href="/edit">Edit</a><br />
+ , .{});
try html_form(res, "/logout", .{}, .{
\\type="submit" value="Logout"
});
try html_form(res, "/quit", .{}, .{
\\type="submit" value="Quit"
});
- try res.write("<br />", .{});
- try html_form(res, "/post", .{}, .{
- \\type="text" name="text"
- ,
- \\type="submit" value="Post"
- });
+ try res.write("<br /><br />", .{});
} else {
try res.write(
\\<a href="/">Home</a><br />
- \\<a href="/register">Register</a>
- \\<a href="/login">Login</a><br />
+ \\<form action="/register" method="post">
+ \\<input type="text" name="username" />
+ \\<input type="password" name="password" />
+ \\<input type="submit" value="Register" />
+ \\</form>
+ \\<form action="/login" method="post">
+ \\<input type="text" name="username" />
+ \\<input type="password" name="password" />
+ \\<input type="submit" value="Login" />
+ \\</form>
, .{});
try html_form(res, "/quit", .{}, .{
\\type="submit" value="Quit"
});
+ try res.write("<br /><br />", .{});
}
}
-fn write_posts(res: *http.Response, txn: lmdb.Txn, user: User, login: ?Login) !void {
- const votes_dbi = try txn.dbi("votes");
+fn write_start(res: *http.Response) !void {
+ try res.write(
+ \\<!doctype html>
+ \\<html>
+ \\<head>
+ \\<link rel="icon" href="data:image/svg+xml,<svg xmlns=%22http://www.w3.org/2000/svg%22 viewBox=%220 0 100 100%22><text y=%22.9em%22 font-size=%2290%22>🐣</text></svg>">
+ \\<style>
+ \\ 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;
+ \\ }
+ \\</style>
+ \\</head>
+ \\<body>
+ , .{});
+}
+fn write_end(res: *http.Response) !void {
+ try res.write("</body></html>", .{});
+}
+fn write_post(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_id: PostId, recurse: enum { No, Once, Yes }) !void {
const posts = try Db.posts(txn);
- const posts_view = try user.posts.open(posts.dbi);
+ const post = posts.get(post_id) catch {
+ res.redirect("/") catch {};
+ return;
+ };
+ const users = try Db.users(txn);
+ const user = try users.get(post.user_id);
+
+ try res.write(
+ \\<div>
+ \\<span><a href="/user/{s}">{s}</a> {s}</span><br />
+ \\<span>{s}</span><br />
+ , .{ user.name.constSlice(), user.display_name.constSlice(), time_str(post.time).constSlice(), post.text.constSlice() });
+
+ if (recurse != .No and post.quote_id != null) {
+ try res.write("<div style=\"border: 1px solid black;\">", .{});
+ try write_post(res, txn, logged_in, post.quote_id.?, .No);
+ try res.write("</div>", .{});
+ }
- var it = posts_view.iterator();
+ const comments_view = try post.comments.open(txn);
+ const quotes_view = try post.quotes.open(txn);
+ const votes_view = try post.votes.open(txn);
+
+ // Votes
+ const vote: ?Vote = if (logged_in != null and try votes_view.has(logged_in.?.user.id)) try votes_view.get(logged_in.?.user.id) else null;
+
+ if (vote != null and vote.?.kind == .Up) {
+ try html_form(res, "/upvote", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ .{ "type=\"submit\" value=\"⬆ {}\"", .{post.upvotes} },
+ });
+ } else {
+ try html_form(res, "/upvote", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ .{ "type=\"submit\" value=\"⇧ {}\"", .{post.upvotes} },
+ });
+ }
+ if (vote != null and vote.?.kind == .Down) {
+ try html_form(res, "/downvote", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ .{ "type=\"submit\" value=\"⬇ {}\"", .{post.downvotes} },
+ });
+ } else {
+ try html_form(res, "/downvote", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ .{ "type=\"submit\" value=\"⇩ {}\"", .{post.downvotes} },
+ });
+ }
+
+ // Comment Count
+ try res.write(
+ \\<span class="toggle">
+ \\<a href="/post/{x}">💭 {}</a>
+ , .{ @intFromEnum(post.id), comments_view.len() });
+ if (logged_in != null) {
+ try html_form(res, "/comment", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ "type=\"text\" name=\"text\" placeholder=\"Text\"",
+ "type=\"submit\" value=\"Comment\"",
+ });
+ }
+ try res.write(
+ \\</span>
+ , .{});
+
+ // Quote
+ try res.write(
+ \\<span class="toggle">
+ \\<a href="/quotes/{x}">🔁 {}</a>
+ , .{ @intFromEnum(post.id), quotes_view.len() });
+ try html_form(res, "/quote", .{}, .{
+ .{ "type=\"hidden\" value=\"{x}\" name=\"post_id\"", .{@intFromEnum(post.id)} },
+ "type=\"text\" name=\"text\" placeholder=\"Text\"",
+ "type=\"submit\" value=\"Quote\"",
+ });
+ try res.write(
+ \\</span>
+ \\<br />
+ , .{});
+
+ // Comments
+ if (recurse != .No and comments_view.len() > 0) {
+ try res.write(
+ \\<details>
+ \\<summary>Comments</summary>
+ , .{});
+ try res.write("<div style=\"margin: 10px;\">", .{});
+ var it = comments_view.iterator();
+ var count: u8 = 0;
+ while (it.next()) |kv| {
+ try write_post(res, txn, logged_in, kv.key, switch (recurse) {
+ .Yes => .Yes,
+ .Once => .No,
+ else => unreachable,
+ });
+ try res.write("<br />", .{});
+ if (recurse == .Once) {
+ count += 1;
+ if (count >= 3) break;
+ }
+ }
+ try res.write(
+ \\</div>
+ \\</details>
+ , .{});
+ }
+
+ try res.write(
+ \\</div>
+ , .{});
+}
+fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: User) !void {
+ const posts_view = try user.posts.open(txn);
+
+ var it = posts_view.reverse_iterator();
while (it.next()) |kv| {
const post_id = kv.key;
- const post = try posts.get(post_id);
- try res.write(
- \\<div>
- \\<p>{s}</p>
- , .{post.text.constSlice()});
+ try write_post(res, txn, logged_in, post_id, .Once);
+ try res.write("<br />", .{});
+ }
+}
+fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: User) !void {
+ const users = try Db.users(txn);
+ const posts = try Db.posts(txn);
- const votes_view = try post.votes.open(votes_dbi);
- const comments_view = try post.comments.open(posts.dbi);
+ var newest_post_ids = try std.BoundedArray(PostId, 10).init(0); // TODO: TimelinePostsCount
+ var prev_newest_post: ?Post = null;
- var has_voted: ?Vote.Kind = null;
+ const following = try user.following.open(txn);
- if (login != null and try votes_view.has(login.?.user_id)) {
- const vote = try votes_view.get(login.?.user_id);
+ while (true) {
+ var newest_post: ?Post = null;
- has_voted = vote.kind;
- }
+ var it = following.iterator();
+ while (it.next()) |kv| {
+ const followed_user = try users.get(kv.key);
+ const followed_posts = try followed_user.posts.open(txn);
- if (has_voted != null and has_voted.? == .Up) {
- try html_form(res, "/unupvote/{}", .{@intFromEnum(post_id)}, .{
- .{ "type=\"submit\" value=\"⬆ {}\"", .{post.upvotes} },
- });
- } else {
- try html_form(res, "/upvote/{}", .{@intFromEnum(post_id)}, .{
- .{ "type=\"submit\" value=\"⬆ {}\"", .{post.upvotes} },
- });
+ if (followed_posts.len() == 0) {
+ continue;
+ }
+
+ var followed_posts_it = followed_posts.reverse_iterator();
+ while (followed_posts_it.next()) |followed_post_kv| {
+ const last_post = try posts.get(followed_post_kv.key);
+
+ if ((prev_newest_post == null or last_post.time < prev_newest_post.?.time) and (newest_post == null or newest_post.?.time < last_post.time)) {
+ newest_post = last_post;
+ }
+ }
}
- if (has_voted != null and has_voted.? == .Down) {
- try html_form(res, "/undownvote/{}", .{@intFromEnum(post_id)}, .{
- .{ "type=\"submit\" value=\"⬇ {}\"", .{post.downvotes} },
- });
+ if (newest_post) |post| {
+ newest_post_ids.append(post.id) catch break;
+ prev_newest_post = post;
} else {
- try html_form(res, "/downvote/{}", .{@intFromEnum(post_id)}, .{
- .{ "type=\"submit\" value=\"⬇ {}\"", .{post.downvotes} },
- });
+ break;
}
- try res.write(
- \\<span>💭 {}</span>
- \\</div>
- , .{comments_view.len()});
+ }
+
+ for (newest_post_ids.constSlice()) |post_id| {
+ try write_post(res, txn, logged_in, post_id, .Once);
+ try res.write("<br />", .{});
}
}
// }}}
}
const ReqBufferSize = 4096;
-const ResHeadBufferSize = 1024 * 16;
-const ResBodyBufferSize = 1024 * 16;
+const ResHeadBufferSize = 1024 * 64;
+const ResBodyBufferSize = 1024 * 64;
pub fn main() !void {
// server
var env = try lmdb.Env.open("db", 1024 * 1024 * 10);
defer env.close();
- // std.debug.print("Users:\n", .{});
- // try list_users(env);
- // std.debug.print("User IDs:\n", .{});
- // try list_user_ids(env);
- // std.debug.print("Sessions:\n", .{});
- // try list_sessions(env);
- // std.debug.print("Posts:\n", .{});
- // try list_posts(env);
+ std.debug.print("Users:\n", .{});
+ try list_users(env);
+ std.debug.print("User IDs:\n", .{});
+ try list_user_ids(env);
+ std.debug.print("Sessions:\n", .{});
+ try list_sessions(env);
+ std.debug.print("Posts:\n", .{});
+ try list_posts(env);
try handle_connection(&server, &env);
// const ThreadCount = 1;
accept: while (true) {
server.wait();
- while (try server.next_request(&req_buffer)) |req| {
+ while (try server.next_request(&req_buffer)) |*_req| {
+ var req: *http.Request = @constCast(_req);
// std.debug.print("[{}]: {s}\n", .{ req.method, req.target });
// reponse
var logged_in: ?Login = null;
if (req.get_cookie("session_token")) |session_token_str| {
- const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str, 16);
- // const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str, 10);
- // const session_token = std.mem.bytesToValue(SessionToken, session_token_str);
- if (Chirp.get_session_user_id(env, session_token)) |user_id| {
- const txn = try env.txn();
- defer txn.abort();
- const users = try Db.users(txn);
+ var remove_session_token = true;
- logged_in = .{
- .user = try users.get(user_id),
- .user_id = user_id,
- .session_token = session_token,
- };
- } else |err| {
- std.debug.print("get_session_user err: {}\n", .{err});
+ if (std.fmt.parseUnsigned(SessionToken, session_token_str, 16) catch null) |session_token| {
+ // const session_token = try std.fmt.parseUnsigned(SessionToken, session_token_str, 10);
+ // const session_token = std.mem.bytesToValue(SessionToken, session_token_str);
+ if (Chirp.get_session_user_id(env, session_token) catch null) |user_id| {
+ const txn = try env.txn();
+ defer txn.abort();
+ const users = try Db.users(txn);
+
+ logged_in = .{
+ .user = try users.get(user_id),
+ .session_token = session_token,
+ };
+
+ remove_session_token = false;
+ }
+ }
+ if (remove_session_token) {
try res.add_header(
"Set-Cookie",
.{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"},
}
}
+ // TODO: refactor into functions
+ // TODO: make sure we send a reply
+
// html
if (req.method == .GET) {
+ try write_start(&res);
try write_header(&res, logged_in);
- if (std.mem.eql(u8, req.target, "/register")) {
- try res.write(
- \\<form action="/register" method="post">
- \\<input type="text" name="username" />
- \\<input type="password" name="password" />
- \\<input type="submit" value="Register" />
- \\</form>
- , .{});
- try res.send();
- } else if (std.mem.eql(u8, req.target, "/login")) {
- try res.write(
- \\<form action="/login" method="post">
- \\<input type="text" name="username" />
- \\<input type="password" name="password" />
- \\<input type="submit" value="Login" />
- \\</form>
- , .{});
- try res.send();
- } else if (std.mem.startsWith(u8, req.target, "/user/")) {
+ 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 txn = try env.txn();
- defer txn.abort();
+ 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(
+ \\<a href="/user/{s}">{s}</a>
+ , .{
+ 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(
+ \\ <a href="/following/{s}">{} following</a>
+ \\ <a href="/followers/{s}">{} followers</a>
+ , .{
+ user.name.constSlice(), following.len(),
+ user.name.constSlice(), followers.len(),
+ });
+
+ try write_posts(&res, txn, logged_in, user);
+ } else |err| {
+ try res.write(
+ \\<p>User not found [{}]</p>
+ , .{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);
- try write_posts(&res, txn, user, logged_in);
+
+ const following = try user.following.open(txn);
+ var it = following.iterator();
+
+ try res.write(
+ \\<h2><a href="/user/{s}">{s}</a> follows:</h2>
+ , .{ user.name.constSlice(), user.display_name.constSlice() });
+
+ while (it.next()) |kv| {
+ const following_user = try users.get(kv.key);
+
+ try res.write(
+ \\<a href="/user/{s}">{s}</a><br />
+ , .{ following_user.name.constSlice(), following_user.display_name.constSlice() });
+ }
} else |err| {
try res.write(
\\<p>User not found [{}]</p>
, .{err});
}
- try res.send();
- } else {
- if (logged_in) |login| {
- const user = try Chirp.get_user(env, login.user_id);
+ } else if (std.mem.startsWith(u8, req.target, "/followers/")) {
+ const username = req.target[11..req.target.len];
- const txn = try env.txn();
- defer txn.abort();
+ 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(
+ \\<h2><a href="/user/{s}">{s}</a> followers:</h2>
+ , .{ user.name.constSlice(), user.display_name.constSlice() });
+
+ while (it.next()) |kv| {
+ const follower_user = try users.get(kv.key);
- try write_posts(&res, txn, user, logged_in);
+ try res.write(
+ \\<a href="/user/{s}">{s}</a><br />
+ , .{ follower_user.name.constSlice(), follower_user.display_name.constSlice() });
+ }
+ } else |err| {
+ try res.write(
+ \\<p>User not found [{}]</p>
+ , .{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, .Yes);
+ } 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);
- try res.send();
+ const posts = try Db.posts(txn);
+ const post = try posts.get(post_id);
+
+ const quotes_view = try post.quotes.open(txn);
+ var it = quotes_view.iterator();
+ while (it.next()) |kv| {
+ try write_post(&res, txn, logged_in, kv.key, .Once);
+ try res.write("<br />", .{});
+ }
+ } else if (std.mem.eql(u8, req.target, "/post")) {
+ if (logged_in) |login| {
+ _ = login;
+ const referer = if (req.get_header("Referer")) |ref| ref else "/post";
+
+ try html_form(&res, "/post", .{}, .{
+ .{ "type=\"hidden\" name=\"referer\" value=\"{s}\"", .{referer} },
+ "type=\"text\" name=\"text\"",
+ "type=\"submit\" value=\"Post\"",
+ });
} else {
- try res.write("[GET] {s}", .{req.target});
- try res.send();
+ try res.write("not logged in", .{});
}
+ } else if (std.mem.eql(u8, req.target, "/edit")) {
+ if (logged_in) |login| {
+ try res.write("<br />Username: ", .{});
+ try html_form(&res, "/set_username", .{}, .{
+ .{ "type=\"text\" name=\"username\" placeholder=\"{s}\"", .{login.user.name.constSlice()} },
+ "type=\"submit\" value=\"Change\"",
+ });
+ try res.write("<br />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("<br />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);
+ } else {
+ // TODO: generic home
+ try res.write("Homepage", .{});
+ }
+ } else {
+ try res.redirect("/");
}
+ try write_end(&res);
+ try res.send();
}
// api
else {
const password = req.get_value("password").?;
std.debug.print("New user: {s} {s}\n", .{ username, password });
- if (try Chirp.register_user(env, username, password)) {
- try res.redirect("/login");
- } else {
- try res.redirect("/register");
- }
- try res.send();
+ _ = 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").?;
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(
- "Location",
- .{ "/user/{s}", .{username} },
- );
try res.add_header(
"Set-Cookie",
- .{ "session_token={x}; Secure; HttpOnly", .{session_token} },
+ .{ "session_token={x}; HttpOnly", .{session_token} },
);
-
- try res.send();
} else |err| {
std.debug.print("login_user err: {}\n", .{err});
- try res.redirect("/login");
- try res.send();
}
} else if (std.mem.eql(u8, req.target, "/logout")) {
if (logged_in) |login| {
"Set-Cookie",
.{"session_token=deleted; Expires=Thu, 01 Jan 1970 00:00:00 GMT"},
);
-
- try res.redirect("/");
- try res.send();
- }
- } else if (std.mem.eql(u8, req.target, "/post")) {
- if (logged_in) |login| {
- const text = req.get_value("text").?;
- try Chirp.post(env, login.user_id, text);
-
- try res.redirect("/");
- try res.send();
}
- } else if (std.mem.eql(u8, req.target, "/quit")) {
- try res.redirect("/");
- try res.send();
- break :accept;
- } else if (std.mem.startsWith(u8, req.target, "/upvote/")) {
+ } 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 post_id_str = req.target[8..req.target.len];
- const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+ const txn = try env.txn();
+ defer txn.commit() catch {};
- try Chirp.vote(env, post_id, login.user_id, .Up);
+ const user_ids = try Db.user_ids(txn);
- if (req.get_header("Referer")) |ref| {
- try res.redirect(ref);
+ 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);
}
- try res.send();
- } else if (std.mem.startsWith(u8, req.target, "/downvote/")) {
+ } 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 post_id_str = req.target[10..req.target.len];
- const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
-
- try Chirp.vote(env, post_id, login.user_id, .Down);
+ const txn = try env.txn();
+ defer txn.commit() catch {};
- if (req.get_header("Referer")) |ref| {
- try res.redirect(ref);
- }
- try res.send();
- } else if (std.mem.startsWith(u8, req.target, "/unupvote/")) {
- // TODO: maybe move to one /unvote?
+ 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 post_id_str = req.target[10..req.target.len];
- const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+ const txn = try env.txn();
+ defer txn.commit() catch {};
- try Chirp.unvote(env, post_id, login.user_id);
+ 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);
- if (req.get_header("Referer")) |ref| {
- try res.redirect(ref);
+ try Chirp.comment(env, login.user.id, post_id, text);
}
- try res.send();
- } else if (std.mem.startsWith(u8, req.target, "/undownvote/")) {
+ } 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 post_id = try parse_enum(PostId, post_id_str, 16);
+
+ try Chirp.quote(env, login.user.id, post_id, text);
+ }
+ } else if (std.mem.eql(u8, req.target, "/upvote")) {
const login = logged_in orelse return error.NotLoggedIn;
- const post_id_str = req.target[12..req.target.len];
- const post_id: PostId = @enumFromInt(try std.fmt.parseUnsigned(u64, post_id_str, 10));
+ 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.unvote(env, post_id, login.user_id);
+ 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 {
- // try req.respond(
- // \\<p>POST</p>
- // , .{});
try res.write("<p>[POST] {s}</p>", .{req.target});
- try res.send();
}
+
+ if (!res.has_header("Location")) {
+ if (req.get_header("Referer")) |ref| {
+ try res.redirect(ref);
+ } else {
+ try res.redirect("/");
+ }
+ }
+ try res.send();
}
}
}
projects / chirp / commitdiff