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-rw-r--r--src/main.zig165
1 files changed, 86 insertions, 79 deletions
diff --git a/src/main.zig b/src/main.zig
index 9fb872f..24bdc51 100644
--- a/src/main.zig
+++ b/src/main.zig
@@ -6,30 +6,34 @@ const http = @import("http");
// db {{{
const Db = struct {
- fn users(txn: lmdb.Txn) !UserList {
- return try db.Db(UserId, User).init(txn, "users");
- }
- fn user_ids(txn: lmdb.Txn) !UsernameList {
- return try db.Db(Username, UserId).init(txn, "user_ids");
- }
- fn sessions(txn: lmdb.Txn) !SessionList {
- return try db.Db(SessionToken, UserId).init(txn, "sessions");
- }
- fn posts(txn: lmdb.Txn) !PostList {
- return try db.Db(PostId, Post).init(txn, "posts");
- }
- fn users(txn: lmdb.Txn) !db.Db(UserId, User) {
- return try db.Db(UserId, User).init(txn, "users");
- }
- fn user_ids(txn: lmdb.Txn) !db.Db(Username, UserId) {
- return try db.Db(Username, UserId).init(txn, "user_ids");
- }
- fn sessions(txn: lmdb.Txn) !db.Db(SessionToken, UserId) {
- return try db.Db(SessionToken, UserId).init(txn, "sessions");
- }
- fn posts(txn: lmdb.Txn) !db.Db(PostId, Post) {
- return try db.Db(PostId, Post).init(txn, "posts");
+ pub fn init(env: lmdb.Env) !void {
+ const txn = try env.txn();
+ const dbi = try txn.dbi(null);
+ if (try dbi.has(1001)) {
+ users = try dbi.get(1001, @TypeOf(users));
+ } else {
+ users = try @TypeOf(users).init(txn);
+ }
+ if (try dbi.has(1002)) {
+ user_ids = try dbi.get(1002, @TypeOf(user_ids));
+ } else {
+ user_ids = try @TypeOf(user_ids).init(txn);
+ }
+ if (try dbi.has(1003)) {
+ sessions = try dbi.get(1003, @TypeOf(sessions));
+ } else {
+ sessions = try @TypeOf(sessions).init(txn);
+ }
+ if (try dbi.has(1004)) {
+ posts = try dbi.get(1004, @TypeOf(posts));
+ } else {
+ posts = try @TypeOf(posts).init(txn);
+ }
}
+ var users: UserList = undefined;
+ var user_ids: UsernameList = undefined;
+ var sessions: SessionList = undefined;
+ var posts: PostList = undefined;
};
// }}}
@@ -107,6 +111,7 @@ const UserSet = db.Set(UserId);
const PostList = db.SetList(PostId, Post);
const UserList = db.SetList(UserId, User);
const UsernameList = db.SetList(Username, UserId);
+const SessionList = db.SetList(SessionToken, UserId);
const VoteList = db.SetList(UserId, Vote);
const PostListList = db.List(SavedPostList);
const UserListList = db.List(SavedUserList);
@@ -219,15 +224,15 @@ const Chirp = struct {
std.debug.print("error registering user: {}\n", .{err});
};
- const users = try Db.users(txn);
- const user_ids = try Db.user_ids(txn);
+ var users = try Db.users.open(txn);
+ var user_ids = try Db.user_ids.open(txn);
if (try user_ids.has(username_array)) {
return false;
} else {
- const user_id = try db.Prng.gen(users.dbi, UserId);
+ const user_id = try db.Prng.gen(users.base.dbi, UserId);
- try users.put(user_id, User{
+ try users.append(user_id, User{
.id = user_id,
.name = username_array,
.display_name = display_name,
@@ -240,7 +245,7 @@ const Chirp = struct {
.feeds = try UserListList.init(txn),
});
- try user_ids.put(username_array, user_id);
+ try user_ids.append(username_array, user_id);
return true;
}
@@ -256,17 +261,17 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.commit() catch {};
- const user_ids = try Db.user_ids(txn);
+ const user_ids = try Db.user_ids.open(txn);
const user_id = try user_ids.get(username_array);
std.debug.print("user logging in, id: {}\n", .{user_id});
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
const user = try users.get(user_id);
if (verify_password(password, user.password_hash)) {
- const sessions = try Db.sessions(txn);
- const session_token = try db.Prng.gen(sessions.dbi, SessionToken);
- try sessions.put(session_token, user_id);
+ var sessions = try Db.sessions.open(txn);
+ const session_token = try db.Prng.gen(sessions.base.dbi, SessionToken);
+ try sessions.append(session_token, user_id);
return session_token;
} else {
return error.IncorrectPassword;
@@ -277,7 +282,7 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.commit() catch {};
- const sessions = try Db.sessions(txn);
+ var sessions = try Db.sessions.open(txn);
try sessions.del(session_token);
}
@@ -292,7 +297,7 @@ const Chirp = struct {
txn = try env.txn();
defer txn.commit() catch {};
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
post_id = try db.Prng.gen(posts.dbi, PostId);
const decoded_text = try reencode(PostText, text);
@@ -322,7 +327,7 @@ const Chirp = struct {
txn = try env.txn();
defer txn.commit() catch {};
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
const quote_post = try posts.get(quote_id.?);
var quotes = try quote_post.quotes.open(txn);
try quotes.append(post_id);
@@ -333,7 +338,7 @@ const Chirp = struct {
fn post(env: lmdb.Env, user_id: UserId, text: []const u8) !void {
var txn = try env.txn();
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
const user = try users.get(user_id);
txn.abort();
@@ -343,10 +348,10 @@ const Chirp = struct {
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 users = try Db.users.open(txn);
const user = try users.get(user_id);
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
const parent_post = try posts.get(parent_post_id);
txn.abort();
@@ -360,7 +365,7 @@ const Chirp = struct {
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 users = try Db.users.open(txn);
const user = try users.get(user_id);
txn.abort();
@@ -372,7 +377,7 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.commit() catch {};
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
var p = try posts.get(post_id);
var votes_view = try p.votes.open(txn);
@@ -412,7 +417,7 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.commit() catch {};
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
const user = try users.get(user_id);
const user_to_follow = try users.get(user_id_to_follow);
@@ -435,7 +440,7 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.abort();
- const sessions = try Db.sessions(txn);
+ const sessions = try Db.sessions.open(txn);
return try sessions.get(session_token);
}
@@ -444,7 +449,7 @@ const Chirp = struct {
const txn = try env.txn();
defer txn.abort();
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
return try users.get(user_id);
}
};
@@ -627,12 +632,12 @@ 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, options: struct { recurse: u8 = 0, show_comment_field: bool = false }) !void {
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
const post = posts.get(post_id) catch {
res.redirect("/") catch {};
return;
};
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
const user = try users.get(post.user_id);
try res.write(
@@ -854,7 +859,7 @@ fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_list:
var paginate = try Paginate(PostSet).init(res, posts_view, Chirp.PostsPerPage);
while (paginate.next()) |post_id| {
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(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
@@ -869,8 +874,8 @@ fn write_posts(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, post_list:
}
fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user_list: UserSet) !void {
// TODO: paginate
- const users = try Db.users(txn);
- const posts = try Db.posts(txn);
+ const users = try Db.users.open(txn);
+ const posts = try Db.posts.open(txn);
var newest_post_ids = try std.BoundedArray(PostId, 10).init(0); // TODO: TimelinePostsCount
var prev_newest_post: ?Post = null;
@@ -917,7 +922,7 @@ fn write_timeline(res: *http.Response, txn: lmdb.Txn, logged_in: ?Login, user_li
}
}
fn write_frontpage(res: *http.Response, txn: lmdb.Txn) !void {
- const posts = try Db.posts(txn);
+ const posts = try Db.posts.open(txn);
var counter: u64 = 0;
var it = try posts.reverse_iterator();
while (it.next()) |p| {
@@ -930,7 +935,7 @@ fn write_frontpage(res: *http.Response, txn: lmdb.Txn) !void {
}
}
fn write_user(res: *http.Response, txn: lmdb.Txn, user_id: UserId) !void {
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
const user = try users.get(user_id);
try res.write(
\\<a href="/user/{s}">{s}</a>
@@ -970,7 +975,7 @@ fn check_login(env: lmdb.Env, req: http.Request, res: *http.Response) !?Login {
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);
+ const users = try Db.users.open(txn);
result = .{
.user = try users.get(user_id),
@@ -1045,9 +1050,9 @@ const GET = struct {
}
pub fn @"/user/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
try write_profile(self.res, self.txn, self.logged_in, user);
@@ -1064,9 +1069,9 @@ const GET = struct {
}
}
pub fn @"/comments/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
try write_profile(self.res, self.txn, self.logged_in, user);
@@ -1083,9 +1088,9 @@ const GET = struct {
}
}
pub fn @"/quotes/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
try write_profile(self.res, self.txn, self.logged_in, user);
@@ -1102,9 +1107,9 @@ const GET = struct {
}
}
pub fn @"/all/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
try write_profile(self.res, self.txn, self.logged_in, user);
@@ -1121,9 +1126,9 @@ const GET = struct {
}
}
pub fn @"/following/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
const following_view = try user.following.open(self.txn);
@@ -1150,9 +1155,9 @@ const GET = struct {
}
}
pub fn @"/followers/"(self: Self, args: struct { username: []const u8 }) !void {
- const user_ids = try Db.user_ids(self.txn);
+ const user_ids = try Db.user_ids.open(self.txn);
if (user_ids.get(try Username.fromSlice(args.username))) |user_id| {
- const users = try Db.users(self.txn);
+ const users = try Db.users.open(self.txn);
const user = try users.get(user_id);
const followers_view = try user.followers.open(self.txn);
@@ -1184,13 +1189,13 @@ const GET = struct {
});
}
pub fn @"/upvotes/"(self: Self, args: struct { post_id: PostId }) !void {
- const posts = try Db.posts(self.txn);
+ const posts = try Db.posts.open(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 posts = try Db.posts.open(self.txn);
const post = try posts.get(args.post_id);
const referer = if (self.req.get_header("Referer")) |ref| ref else self.req.target;
@@ -1409,13 +1414,13 @@ const POST = struct {
const txn = try self.env.txn();
defer txn.commit() catch {};
- const user_ids = try Db.user_ids(txn);
+ var user_ids = try Db.user_ids.open(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);
+ const users = try Db.users.open(txn);
var user = login.user;
user.name = username;
try users.put(login.user.id, user);
@@ -1428,7 +1433,7 @@ const POST = struct {
const txn = try self.env.txn();
defer txn.commit() catch {};
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
var user = login.user;
user.display_name = display_name;
try users.put(login.user.id, user);
@@ -1440,7 +1445,7 @@ const POST = struct {
const txn = try self.env.txn();
defer txn.commit() catch {};
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
var user = login.user;
user.description = description;
try users.put(login.user.id, user);
@@ -1451,7 +1456,7 @@ const POST = struct {
const txn = try self.env.txn();
defer txn.commit() catch {};
- const users = try Db.users(txn);
+ const users = try Db.users.open(txn);
var user = login.user;
user.password_hash = try Chirp.hash_password(args.password);
try users.put(login.user.id, user);
@@ -1635,8 +1640,8 @@ fn list_users(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const users = try Db.users(txn);
- var it = try users.iterator();
+ const users = try Db.users.open(txn);
+ var it = users.iterator();
while (it.next()) |kv| {
const key = kv.key;
@@ -1648,8 +1653,8 @@ fn list_user_ids(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const user_ids = try Db.user_ids(txn);
- var it = try user_ids.iterator();
+ const user_ids = try Db.user_ids.open(txn);
+ var it = user_ids.iterator();
while (it.next()) |kv| {
const key = kv.key;
@@ -1662,8 +1667,8 @@ fn list_sessions(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const sessions = try Db.sessions(txn);
- var it = try sessions.iterator();
+ const sessions = try Db.sessions.open(txn);
+ var it = sessions.iterator();
while (it.next()) |kv| {
const key = kv.key;
@@ -1676,8 +1681,8 @@ fn list_posts(env: lmdb.Env) !void {
const txn = try env.txn();
defer txn.abort();
- const posts = try Db.posts(txn);
- var it = try posts.iterator();
+ const posts = try Db.posts.open(txn);
+ var it = posts.iterator();
while (it.next()) |kv| {
const key = kv.key;
@@ -1704,6 +1709,8 @@ pub fn main() !void {
var env = try lmdb.Env.open("db", 1024 * 1024 * 10);
defer env.close();
+ try Db.init(env);
+
std.debug.print("Users:\n", .{});
try list_users(env);
std.debug.print("User IDs:\n", .{});
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