id: UserId,
name: Username,
display_name: DisplayName,
+ description: UserDescription,
password_hash: PasswordHash,
+
posts: PostList,
+
following: UserList,
followers: UserList,
+
+ post_lists: PostListList,
+ feeds: UserListList,
};
const Post = struct {
text: PostText,
};
+const SavedPostList = struct {
+ name: Name,
+ list: PostList,
+};
+const SavedUserList = struct {
+ name: Name,
+ list: UserList,
+};
+
const Vote = struct {
const Kind = enum { Up, Down };
user: User,
session_token: SessionToken,
};
+const Name = std.BoundedArray(u8, 32);
const UserId = enum(u64) { _ };
const PostId = enum(u64) { _ };
const Timestamp = i64;
-const Username = std.BoundedArray(u8, 16);
+const Username = std.BoundedArray(u8, 32);
const DisplayName = std.BoundedArray(u8, 64);
+const UserDescription = std.BoundedArray(u8, 1024);
const PasswordHash = std.BoundedArray(u8, 128);
const SessionToken = u64;
const CookieValue = std.BoundedArray(u8, 128);
const PostList = db.Set(PostId);
const UserList = db.Set(UserId);
const VoteList = db.SetList(UserId, Vote);
+const PostListList = db.List(SavedPostList);
+const UserListList = db.List(SavedUserList);
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);
+fn reencode(comptime T: type, text: []const u8) !T {
+ var result = try T.init(0);
const len = @min(text.len, 1024); // TODO: PostText length
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
}
const Chirp = struct {
+ const PostsPerPage = 10;
+ const UsersPerPage = 10;
+
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 {
+ 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 {};
+ defer txn.commit() catch |err| {
+ std.debug.print("error registering user: {}\n", .{err});
+ };
const users = try Db.users(txn);
const user_ids = try Db.user_ids(txn);
.id = user_id,
.name = username_array,
.display_name = display_name,
+ .description = try UserDescription.init(0),
.password_hash = try hash_password(password),
.posts = try PostList.init(txn),
.following = try UserList.init(txn),
.followers = try UserList.init(txn),
+ .post_lists = try PostListList.init(txn),
+ .feeds = try UserListList.init(txn),
});
try user_ids.put(username_array, user_id);
}
pub fn login_user(
- env: *lmdb.Env,
+ env: lmdb.Env,
username: []const u8,
password: []const u8,
) !SessionToken {
}
}
- 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 {};
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) !PostId {
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 decoded_text = try reencode(text);
+ const decoded_text = try reencode(PostText, text);
try posts.put(post_id, Post{
.id = post_id,
.parent_id = parent_id,
defer txn.commit() catch {};
var posts_view = try post_list.open(txn);
- try posts_view.append(post_id, {});
+ try posts_view.append(post_id);
}
if (quote_id != null) {
const posts = try Db.posts(txn);
const quote_post = try posts.get(quote_id.?);
var quotes = try quote_post.quotes.open(txn);
- try quotes.append(post_id, {});
+ try quotes.append(post_id);
}
- }
- fn post(env: *lmdb.Env, user_id: UserId, text: []const u8) !void {
- const txn = try env.txn();
+ return post_id;
+ }
+ fn post(env: lmdb.Env, user_id: UserId, text: []const u8) !void {
+ var 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);
+ const post_id = try append_post(env, user_id, user.posts, null, null, text);
+ _ = post_id;
}
- fn comment(env: *lmdb.Env, user_id: UserId, parent_post_id: PostId, text: []const u8) !void {
- const txn = try env.txn();
+ fn comment(env: lmdb.Env, user_id: UserId, parent_post_id: PostId, text: []const u8) !void {
+ var txn = try env.txn();
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
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);
- }
+ const post_id = 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();
+ txn = try env.txn();
+ var replies_view = try user.posts.open(txn);
+ try replies_view.append(post_id);
+ try txn.commit();
+ }
+ fn quote(env: lmdb.Env, user_id: UserId, quote_post_id: PostId, text: []const u8) !void {
+ var 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);
+ const post_id = try append_post(env, user_id, user.posts, null, quote_post_id, text);
+ _ = post_id;
}
- 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 {};
}
}
- 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 {};
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, {});
+ 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", .{});
}
}
- 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();
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();
// }}}
// html {{{
-fn html_form(res: *http.Response, comptime fmt_action: []const u8, args_action: anytype, inputs: anytype) !void {
- try res.write("<form action=\"", .{});
- try res.write(fmt_action, args_action);
- try res.write("\" method=\"post\">", .{});
+pub fn Paginate(comptime T: type) type {
+ return struct {
+ const Self = @This();
+
+ const IterateResult = T.Base.View.Iterator.Result;
+
+ res: *http.Response,
+ view: T.View,
+ per_page: u64,
+
+ it: T.Base.View.Iterator,
+ starting_idx: ?T.Base.Key,
+ count: u64 = 0,
+
+ pub fn init(res: *http.Response, view: T.View, per_page: u64) !Self {
+ var it = view.reverse_iterator();
+ if (res.req.get_param("starting_at")) |starting_at_str| {
+ it.idx = try parse_enum(T.Base.Key, starting_at_str, 16);
+ }
+
+ return .{
+ .res = res,
+ .view = view,
+ .per_page = per_page,
+ .it = it,
+ .starting_idx = it.idx,
+ };
+ }
+ pub fn next(self: *Self) IterateResult {
+ if (self.it.next()) |kv| {
+ if (self.count < self.per_page) {
+ self.count += 1;
+ return kv;
+ }
+ }
+ return null;
+ }
+ pub fn write_navigation(self: *Self) !void {
+ const next_idx = self.it.next();
+
+ if (self.view.base.head.last != self.starting_idx) {
+ var prev_it = self.view.iterator();
+ prev_it.idx = self.starting_idx.?;
+ var oldest_idx = self.starting_idx.?;
+
+ var count: u64 = 0;
+ while (prev_it.next()) |kv| {
+ oldest_idx = kv.key;
+
+ if (count > self.per_page) {
+ break;
+ } else {
+ count += 1;
+ }
+ }
+
+ try self.res.write("<a href=\"{s}?starting_at={x}\">Prev</a> ", .{ self.res.req.target, @intFromEnum(oldest_idx) });
+ }
+
+ if (next_idx) |kv| {
+ try self.res.write("<a href=\"{s}?starting_at={x}\">Next</a>", .{ self.res.req.target, @intFromEnum(kv.key) });
+ }
+ }
+ };
+}
+fn html_form(res: *http.Response, action: []const u8, inputs: anytype) !void {
+ try res.write("<form action=\"{s}\" method=\"post\">", .{action});
inline for (inputs) |input| {
switch (@typeInfo(@TypeOf(input))) {
// 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);
try res.write(
\\<a href="/post">Post</a><br />
, .{});
- try res.write(
- \\<a href="/edit">Edit</a><br />
- , .{});
- try html_form(res, "/logout", .{}, .{
+ try html_form(res, "/logout", .{
\\type="submit" value="Logout"
});
- try html_form(res, "/quit", .{}, .{
- \\type="submit" value="Quit"
- });
try res.write("<br /><br />", .{});
} else {
try res.write(
\\<input type="text" name="username" />
\\<input type="password" name="password" />
\\<input type="submit" value="Register" />
- \\</form>
+ \\</form><br />
\\<form action="/login" method="post">
\\<input type="text" name="username" />
\\<input type="password" name="password" />
\\<input type="submit" value="Login" />
- \\</form>
+ \\</form><br /><br />
, .{});
- try html_form(res, "/quit", .{}, .{
- \\type="submit" value="Quit"
- });
- try res.write("<br /><br />", .{});
}
}
fn write_start(res: *http.Response) !void {
\\<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>">
+ \\<meta name="viewport" content="width=device-width, initial-scale=1.0" />
\\<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 {
+fn write_post(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_id: PostId, options: struct { recurse: u8 = 0, show_comment_field: bool = false }) !void {
const posts = try Db.posts(txn);
const post = posts.get(post_id) catch {
res.redirect("/") catch {};
const user = try users.get(post.user_id);
try res.write(
- \\<div>
- \\<span><a href="/user/{s}">{s}</a> {s}</span><br />
+ \\<div id="{x}">
+ \\<span><a href="/user/{s}">{s}</a>
+ , .{ @intFromEnum(post_id), user.name.constSlice(), user.display_name.constSlice() });
+ if (post.parent_id) |id| {
+ try res.write(" <a href=\"/post/{x}\">..</a>", .{@intFromEnum(id)});
+ }
+ try res.write(
+ \\ {s}</span><br />
\\<span>{s}</span><br />
- , .{ user.name.constSlice(), user.display_name.constSlice(), time_str(post.time).constSlice(), post.text.constSlice() });
+ , .{ time_str(post.time).constSlice(), post.text.constSlice() });
- if (recurse != .No and post.quote_id != null) {
+ if (logged_in != null and post.user_id == logged_in.?.user.id) {
+ // Votes
+ try res.write(
+ \\<small>
+ \\<a href="/upvotes/{0x}">{1} Upvotes</a>
+ \\<a href="/downvotes/{0x}">{2} Downvotes</a>
+ \\</small>
+ \\<br />
+ , .{ @intFromEnum(post_id), post.upvotes, post.downvotes });
+ }
+
+ if (post.quote_id) |quote_id| {
try res.write("<div style=\"border: 1px solid black;\">", .{});
- try write_post(res, txn, logged_in, post.quote_id.?, .No);
+ if (options.recurse > 0) {
+ try write_post(res, txn, logged_in, quote_id, .{ .recurse = options.recurse - 1 });
+ } else {
+ try res.write("<a href=\"/post/{x}\">...</a>", .{@intFromEnum(post_id)});
+ }
try res.write("</div>", .{});
}
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", .{}, .{
+ 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", .{}, .{
+ 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", .{}, .{
+ 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", .{}, .{
+ 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", .{}, .{
+
+ // Quote
+ try res.write(
+ \\<a href="/quoted/{x}">🔁 {}</a>
+ , .{ @intFromEnum(post.id), quotes_view.len() });
+
+ // Save to List
+ if (logged_in) |login| {
+ const lists_view = try login.user.post_lists.open(txn);
+ try res.write("<form action=\"/list_add\" method=\"post\">", .{});
+ try res.write("<select name=\"list_id\">", .{});
+ var it = lists_view.iterator();
+ // TODO: mark lists that already contain post
+ while (it.next()) |kv| {
+ const name = kv.val.name;
+ const id = kv.val.list.base.idx.?;
+ const list_view = try kv.val.list.open(txn);
+ try res.write("<option value=\"{x}\">{s}{s}</option>", .{ id, name.constSlice(), if (list_view.has(post_id) catch false) " *" else "" });
+ }
+ try res.write("</select>", .{});
+ try res.write("<input type=\"hidden\" name=\"post_id\" value=\"{x}\"></input>", .{@intFromEnum(post_id)});
+ try res.write("<input type=\"submit\" value=\"Save\"></input>", .{});
+ try res.write("</form>", .{});
+ }
+
+ // Comment field
+ // TODO: maybe always show comment field and prompt for login
+ if (options.show_comment_field and logged_in != null) {
+ try res.write("<br /><br />", .{});
+ 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("<br />", .{});
}
- 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) {
+ if (options.recurse > 0 and comments_view.len() > 0) {
try res.write(
- \\<details>
+ \\<details{s}>
\\<summary>Comments</summary>
- , .{});
+ , .{if (options.recurse > 1) " open" else ""});
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,
- });
+ while (it.next()) |comment_id| {
+ try write_post(res, txn, logged_in, comment_id.key, .{ .recurse = options.recurse - 1 });
try res.write("<br />", .{});
- if (recurse == .Once) {
+ if (options.recurse == 1) {
count += 1;
if (count >= 3) break;
}
\\</div>
, .{});
}
-fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: User) !void {
- const posts_view = try user.posts.open(txn);
+fn write_profile(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: User) !void {
+ const following = try user.following.open(txn);
+ const followers = try user.followers.open(txn);
- var it = posts_view.reverse_iterator();
- while (it.next()) |kv| {
- const post_id = kv.key;
+ try res.write(
+ \\<h2 style="display: inline;"><a href="/user/{s}">{s}</a></h2>
+ , .{
+ user.name.constSlice(), user.display_name.constSlice(),
+ });
+ if (logged_in != null and user.id != logged_in.?.user.id) {
+ const login = logged_in.?;
+
+ // follow/unfollow
+ if (try followers.has(login.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 write_post(res, txn, logged_in, post_id, .Once);
- try res.write("<br />", .{});
+ // add to feed
+ const feeds_view = try login.user.feeds.open(txn);
+ try res.write("<form action=\"/feed_add\" method=\"post\">", .{});
+ try res.write("<select name=\"feed_id\">", .{});
+ var it = feeds_view.iterator();
+ while (it.next()) |kv| {
+ const name = kv.val.name;
+ const id = kv.val.list.base.idx.?;
+ const list_view = try kv.val.list.open(txn);
+ try res.write("<option value=\"{x}\">{s}{s}</option>", .{ id, name.constSlice(), if (list_view.has(user.id) catch false) " *" else "" });
+ }
+ try res.write("</select>", .{});
+ try res.write("<input type=\"hidden\" name=\"user_id\" value=\"{x}\"></input>", .{@intFromEnum(user.id)});
+ try res.write("<input type=\"submit\" value=\"Add to feed\"></input>", .{});
+ try res.write("</form>", .{});
}
+ try res.write(
+ \\ <a href="/following/{s}">{} following</a>
+ \\ <a href="/followers/{s}">{} followers</a>
+ \\<br />
+ , .{
+ user.name.constSlice(), following.len(),
+ user.name.constSlice(), followers.len(),
+ });
+
+ try res.write(
+ \\<a href="/all/{0s}">All Posts</a>
+ \\ <a href="/comments/{0s}">Comments</a>
+ \\ <a href="/quotes/{0s}">Quotes</a><br />
+ , .{
+ user.name.constSlice(),
+ });
+
+ if (logged_in != null and user.id == logged_in.?.user.id) {
+ try res.write(
+ \\<a href="/lists">Lists</a>
+ \\<a href="/feeds">Feeds</a>
+ \\<a href="/edit">Edit</a><br />
+ \\<br />
+ , .{});
+ }
+
+ if (user.description.len > 0) {
+ try res.write(
+ \\<div style="padding-left: 5px; border-left: 1px solid grey;">
+ // \\« {s} »
+ \\<i>{s}</i>
+ \\</div>
+ , .{user.description.constSlice()});
+ }
+
+ try res.write("<br />", .{});
+}
+fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_list: PostList, options: struct {
+ show_posts: bool,
+ show_quotes: bool,
+ show_comments: bool,
+}) !void {
+ const posts_view = try post_list.open(txn);
+
+ var paginate = try Paginate(PostList).init(res, posts_view, Chirp.PostsPerPage);
+
+ while (paginate.next()) |post_id| {
+ const posts = try Db.posts(txn);
+ const post = try posts.get(post_id.key);
+ if ((options.show_posts and (post.parent_id == null and post.quote_id == null)) or
+ (options.show_quotes and (post.quote_id != null)) or
+ (options.show_comments and (post.parent_id != null)))
+ {
+ try write_post(res, txn, logged_in, post_id.key, .{ .recurse = 1 });
+ try res.write("<br />", .{});
+ }
+ }
+
+ try paginate.write_navigation();
}
-fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user: User) !void {
+fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user_list: UserList) !void {
const users = try Db.users(txn);
const posts = try Db.posts(txn);
var newest_post_ids = try std.BoundedArray(PostId, 10).init(0); // TODO: TimelinePostsCount
var prev_newest_post: ?Post = null;
- const following = try user.following.open(txn);
+ const following = try user_list.open(txn);
while (true) {
var newest_post: ?Post = null;
- var it = following.iterator();
- while (it.next()) |kv| {
- const followed_user = try users.get(kv.key);
+ var following_it = following.iterator();
+ while (following_it.next()) |following_id| {
+ const followed_user = try users.get(following_id.key);
const followed_posts = try followed_user.posts.open(txn);
if (followed_posts.len() == 0) {
}
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);
+ while (followed_posts_it.next()) |followed_post_id| {
+ const p = try posts.get(followed_post_id.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 ((prev_newest_post == null or p.time < prev_newest_post.?.time) and (newest_post == null or newest_post.?.time < p.time)) {
+ newest_post = p;
+ break;
}
}
}
}
for (newest_post_ids.constSlice()) |post_id| {
- try write_post(res, txn, logged_in, post_id, .Once);
+ try write_post(res, txn, logged_in, post_id, .{ .recurse = 1 });
try res.write("<br />", .{});
}
}
+fn write_user(res: *http.Response, txn: lmdb.Txn, user_id: UserId) !void {
+ const users = try Db.users(txn);
+ const user = try users.get(user_id);
+ try res.write(
+ \\<a href="/user/{s}">{s}</a>
+ , .{ user.name.constSlice(), user.display_name.constSlice() });
+}
+fn write_votes(res: *http.Response, txn: lmdb.Txn, votes: VoteList, options: struct {
+ show_upvotes: bool = true,
+ show_downvotes: bool = true,
+}) !void {
+ const votes_view = try votes.open(txn);
+
+ var paginate = try Paginate(VoteList).init(res, votes_view, Chirp.UsersPerPage);
+
+ while (paginate.next()) |kv| {
+ const user_id = kv.key;
+ const vote = kv.val;
+
+ if ((options.show_upvotes and vote.kind == .Up) or
+ (options.show_downvotes and vote.kind == .Down))
+ {
+ try write_user(res, txn, user_id);
+ try res.write(" <small>{s}</small><br />", .{time_str(vote.time).constSlice()});
+ }
+ }
+
+ try paginate.write_navigation();
+}
+fn check_login(env: lmdb.Env, req: http.Request, res: *http.Response) !?Login {
+ var result: ?Login = null;
+
+ if (req.get_cookie("session_token")) |session_token_str| {
+ var remove_session_token = true;
+
+ 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);
+
+ result = .{
+ .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"},
+ );
+ }
+ }
+
+ return result;
+}
+// }}}
+
+// 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);
+
+ try write_profile(self.res, self.txn, self.logged_in, user);
+
+ try write_posts(self.res, self.txn, self.logged_in, user.posts, .{
+ .show_posts = true,
+ .show_quotes = false,
+ .show_comments = false,
+ });
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{err});
+ }
+ }
+ pub fn @"/comments/"(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);
+
+ try write_profile(self.res, self.txn, self.logged_in, user);
+
+ try write_posts(self.res, self.txn, self.logged_in, user.posts, .{
+ .show_posts = false,
+ .show_quotes = false,
+ .show_comments = true,
+ });
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{err});
+ }
+ }
+ pub fn @"/quotes/"(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);
+
+ try write_profile(self.res, self.txn, self.logged_in, user);
+
+ try write_posts(self.res, self.txn, self.logged_in, user.posts, .{
+ .show_posts = false,
+ .show_quotes = true,
+ .show_comments = false,
+ });
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{err});
+ }
+ }
+ pub fn @"/all/"(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);
+
+ try write_profile(self.res, self.txn, self.logged_in, user);
+
+ try write_posts(self.res, self.txn, self.logged_in, user.posts, .{
+ .show_posts = true,
+ .show_quotes = true,
+ .show_comments = true,
+ });
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{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_view = try user.following.open(self.txn);
+
+ var paginate = try Paginate(UserList).init(self.res, following_view, Chirp.UsersPerPage);
+
+ try self.res.write(
+ \\<h2><a href="/user/{s}">{s}</a> follows:</h2>
+ , .{ user.name.constSlice(), user.display_name.constSlice() });
+
+ while (paginate.next()) |following_id| {
+ const following_user = try users.get(following_id.key);
+
+ try self.res.write(
+ \\<a href="/user/{s}">{s}</a><br />
+ , .{ following_user.name.constSlice(), following_user.display_name.constSlice() });
+ }
+
+ try paginate.write_navigation();
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{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_view = try user.followers.open(self.txn);
+ var paginate = try Paginate(UserList).init(self.res, followers_view, Chirp.UsersPerPage);
+
+ try self.res.write(
+ \\<h2><a href="/user/{s}">{s}</a> followers:</h2>
+ , .{ user.name.constSlice(), user.display_name.constSlice() });
+
+ while (paginate.next()) |follower_id| {
+ const follower_user = try users.get(follower_id.key);
+
+ try self.res.write(
+ \\<a href="/user/{s}">{s}</a><br />
+ , .{ follower_user.name.constSlice(), follower_user.display_name.constSlice() });
+ }
+
+ try paginate.write_navigation();
+ } else |err| {
+ try self.res.write(
+ \\<p>User not found [{}]</p>
+ , .{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 @"/upvotes/"(self: Self, args: struct { post_id: PostId }) !void {
+ const posts = try Db.posts(self.txn);
+ const post = try posts.get(args.post_id);
+ try self.res.write("{} upvotes:<br />", .{post.upvotes});
+ try write_votes(self.res, self.txn, post.votes, .{});
+ }
+ pub fn @"/quoted/"(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;
+
+ if (self.logged_in != null) {
+ 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\" autofocus",
+ "type=\"submit\" value=\"Quote\"",
+ });
+ try self.res.write("<br />", .{});
+ }
+
+ // TODO: show all bc this only contains quotes?
+ try write_posts(self.res, self.txn, self.logged_in, post.quotes, .{
+ .show_posts = false,
+ .show_quotes = true,
+ .show_comments = false,
+ });
+ }
+ pub fn @"/list/"(self: Self, args: struct { list_id: PostList.Base.Index }) !void {
+ try write_posts(self.res, self.txn, self.logged_in, PostList{ .base = .{ .idx = args.list_id } }, .{
+ .show_posts = true,
+ .show_quotes = true,
+ .show_comments = true,
+ });
+ }
+ 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, "/create_list", .{
+ "type=\"text\" name=\"name\"",
+ "type=\"submit\" value=\"Add\"",
+ });
+
+ try self.res.write("<br /><br />", .{});
+
+ 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(
+ \\<a href="/list/{x}">{s}</a>
+ , .{ post_list.base.idx.?, name.constSlice() });
+ try html_form(self.res, "/delete_list", .{
+ .{ "type=\"hidden\" name=\"list_id\" value=\"{x}\"", .{kv.key} },
+ "type=\"submit\" value=\"Delete\"",
+ });
+ try self.res.write("<br />", .{});
+ }
+ } else {
+ try self.res.write("not logged in", .{});
+ }
+ }
+ pub fn @"/feed/"(self: Self, args: struct { feed_id: UserList.Base.Index }) !void {
+ try write_timeline(self.res, self.txn, self.logged_in, UserList{ .base = .{ .idx = args.feed_id } });
+ }
+ pub fn @"/feeds"(self: Self) !void {
+ if (self.logged_in) |login| {
+ const feeds_view = try login.user.feeds.open(self.txn);
+
+ try html_form(self.res, "/create_feed", .{
+ "type=\"text\" name=\"name\"",
+ "type=\"submit\" value=\"Add\"",
+ });
+
+ try self.res.write("<br /><br />", .{});
+
+ var it = feeds_view.iterator();
+ while (it.next()) |kv| {
+ const name = kv.val.name;
+ const user_list = kv.val.list;
+ try self.res.write(
+ \\<a href="/feed/{x}">{s}</a>
+ , .{ user_list.base.idx.?, name.constSlice() });
+ try html_form(self.res, "/delete_feed", .{
+ .{ "type=\"hidden\" name=\"list_id\" value=\"{x}\"", .{kv.key} },
+ "type=\"submit\" value=\"Delete\"",
+ });
+ try self.res.write("<br />", .{});
+ }
+ } 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\" placeholder=\"Text\" autofocus",
+ "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("<br />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("<br />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("<br />Description: ", .{});
+ try html_form(self.res, "/set_description", .{
+ .{ "type=\"text\" name=\"description\" placeholder=\"{s}\"", .{login.user.description.constSlice()} },
+ "type=\"submit\" value=\"Change\"",
+ });
+ try self.res.write("<br />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_description"(self: Self, args: struct { description: []const u8 }) !void {
+ const login = self.logged_in orelse return error.NotLoggedIn;
+ const description = try reencode(UserDescription, args.description);
+
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+
+ const users = try Db.users(txn);
+ var user = login.user;
+ user.description = description;
+ 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());
+ }
+ }
+ }
+ // TODO: add arguments instead of parsing manually
+ pub fn @"/create_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);
+ // TODO: decode name
+
+ 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 @"/delete_list"(self: Self, args: struct { list_id: PostList.Base.Index }) !void {
+ if (self.logged_in) |login| {
+ var post_list: ?PostList = null;
+ {
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+ var post_lists_view = try login.user.post_lists.open(txn);
+ post_list = (try post_lists_view.get(args.list_id)).list;
+ try post_lists_view.del(args.list_id);
+ }
+ if (post_list != null) {
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+ var list_view = try post_list.?.open(txn);
+ try list_view.clear();
+ }
+ }
+ }
+ pub fn @"/list_add"(self: Self, args: struct { list_id: PostList.Base.Index, post_id: PostId }) !void {
+ if (self.logged_in) |login| {
+ _ = login;
+
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+
+ const post_list = PostList{ .base = .{ .idx = args.list_id } };
+ var post_list_view = try post_list.open(txn);
+ if (try post_list_view.has(args.post_id)) {
+ try post_list_view.del(args.post_id);
+ } else {
+ try post_list_view.append(args.post_id);
+ }
+ }
+ }
+ pub fn @"/create_feed"(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 userlist = try UserList.init(txn);
+ try txn.commit();
+
+ txn = try self.env.txn();
+ var feeds_view = try login.user.feeds.open(txn);
+ _ = try feeds_view.append(.{ .name = name, .list = userlist });
+ try txn.commit();
+ }
+ }
+ pub fn @"/delete_feed"(self: Self, args: struct { list_id: UserList.Base.Index }) !void {
+ if (self.logged_in) |login| {
+ var user_list: ?UserList = null;
+
+ {
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+ var feeds_view = try login.user.feeds.open(txn);
+ user_list = (try feeds_view.get(args.list_id)).list;
+ try feeds_view.del(args.list_id);
+ }
+ if (user_list != null) {
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+ var list_view = try user_list.?.open(txn);
+ try list_view.clear();
+ }
+ }
+ }
+ pub fn @"/feed_add"(self: Self, args: struct { feed_id: UserList.Base.Index, user_id: UserId }) !void {
+ if (self.logged_in) |login| {
+ _ = login;
+
+ const txn = try self.env.txn();
+ defer txn.commit() catch {};
+
+ const user_list = UserList{ .base = .{ .idx = args.feed_id } };
+ var user_list_view = try user_list.open(txn);
+ if (try user_list_view.has(args.user_id)) {
+ try user_list_view.del(args.user_id);
+ } else {
+ try user_list_view.append(args.user_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 ResHeadBufferSize = 1024 * 64;
const ResBodyBufferSize = 1024 * 64;
+// TODO: static?
+var req_buffer: [ReqBufferSize]u8 = undefined;
+var res_head_buffer: [ResHeadBufferSize]u8 = undefined;
+var res_body_buffer: [ResBodyBufferSize]u8 = undefined;
+
pub fn main() !void {
// server
var server = try http.Server.init("::", 8080);
std.debug.print("Posts:\n", .{});
try list_posts(env);
- try handle_connection(&server, &env);
+ while (true) {
+ server.wait();
+ while (true) {
+ const req = (server.next_request(&req_buffer) catch break) orelse break;
+ // handle_request(env, req) catch {
+ // try handle_error(env, req);
+ // };
+ try handle_request(env, req);
+ }
+ }
// const ThreadCount = 1;
// var ts: [ThreadCount]std.Thread = undefined;
std.debug.print("done\n", .{});
}
-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) {
- server.wait();
-
- 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 res = http.Response.init(req.fd, &res_head_buffer, &res_body_buffer);
-
- // check session token
- var logged_in: ?Login = null;
-
- if (req.get_cookie("session_token")) |session_token_str| {
- var remove_session_token = true;
-
- 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);
-
- 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(
- \\<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);
-
- 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});
- }
- } 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(
- \\<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 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);
-
- 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("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 {
- 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 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;
+fn handle_error(env: lmdb.Env, req: http.Request) !void {
+ _ = env;
+ var res = http.Response.init(req, &res_head_buffer, &res_body_buffer);
+ try write_start(&res);
+ try res.write("Oops, something went terribly wrong there D:", .{});
+ try write_end(&res);
+ try res.send();
+}
+fn handle_request(env: lmdb.Env, req: http.Request) !void {
+ // std.debug.print("[{}]: {s}\n", .{ req.method, req.target });
+ // std.debug.print("[{}]: {s}\n", .{ req.method, req.head.? });
- 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));
+ // reponse
+ var res = http.Response.init(req, &res_head_buffer, &res_body_buffer);
- 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;
+ // check session token
+ const logged_in: ?Login = try check_login(env, req, &res);
- 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));
+ // html
+ if (req.method == .GET) {
+ try write_start(&res);
+ try write_header(&res, logged_in);
- 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 txn = try env.txn();
+ defer txn.abort();
- 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));
+ const get = GET{
+ .txn = txn,
+ .req = req,
+ .res = &res,
+ .logged_in = logged_in,
+ };
+ if (try get.handle()) {} else {
+ try res.redirect("/");
+ }
- 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 res.write("<p>[POST] {s}</p>", .{req.target});
- }
+ try write_end(&res);
+ try res.send();
+ }
+ // api
+ else {
+ const post = POST{
+ .env = env,
+ .req = req,
+ .res = &res,
+ .logged_in = logged_in,
+ };
+ if (try post.handle()) {} else {
+ try res.write("<p>[POST] {s}</p>", .{req.target});
+ }
- if (!res.has_header("Location")) {
- if (req.get_header("Referer")) |ref| {
- try res.redirect(ref);
- } else {
- try res.redirect("/");
- }
- }
- 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 / blobdiff