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Organize code, begin database implementation

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master
Elnu 1 year ago
parent 376fba6795
commit 4e9784baf4
7 changed files with 594 additions and 177 deletions
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321
Cargo.lock generated
Unescape View File

@ -2,6 +2,26 @@
# It is not intended for manual editing.
version = 3
[[package]]
name = "ahash"
version = "0.7.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
dependencies = [
"getrandom",
"once_cell",
"version_check",
]
[[package]]
name = "android_system_properties"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "819e7219dbd41043ac279b19830f2efc897156490d7fd6ea916720117ee66311"
dependencies = [
"libc",
]
[[package]]
name = "autocfg"
version = "1.1.0"
@ -20,6 +40,12 @@ version = "1.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
[[package]]
name = "bitflags"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c70beb79cbb5ce9c4f8e20849978f34225931f665bb49efa6982875a4d5facb3"
[[package]]
name = "block-buffer"
version = "0.10.4"
@ -59,6 +85,22 @@ version = "1.0.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "baf1de4339761588bc0619e3cbc0120ee582ebb74b53b4efbf79117bd2da40fd"
[[package]]
name = "chrono"
version = "0.4.24"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4e3c5919066adf22df73762e50cffcde3a758f2a848b113b586d1f86728b673b"
dependencies = [
"iana-time-zone",
"js-sys",
"num-integer",
"num-traits",
"serde",
"time",
"wasm-bindgen",
"winapi",
]
[[package]]
name = "clipboard-win"
version = "4.5.0"
@ -70,6 +112,28 @@ dependencies = [
"winapi",
]
[[package]]
name = "codespan-reporting"
version = "0.11.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3538270d33cc669650c4b093848450d380def10c331d38c768e34cac80576e6e"
dependencies = [
"termcolor",
"unicode-width",
]
[[package]]
name = "convert_case"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6245d59a3e82a7fc217c5828a6692dbc6dfb63a0c8c90495621f7b9d79704a0e"
[[package]]
name = "core-foundation-sys"
version = "0.8.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e496a50fda8aacccc86d7529e2c1e0892dbd0f898a6b5645b5561b89c3210efa"
[[package]]
name = "cpufeatures"
version = "0.2.6"
@ -89,6 +153,63 @@ dependencies = [
"typenum",
]
[[package]]
name = "cxx"
version = "1.0.94"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f61f1b6389c3fe1c316bf8a4dccc90a38208354b330925bce1f74a6c4756eb93"
dependencies = [
"cc",
"cxxbridge-flags",
"cxxbridge-macro",
"link-cplusplus",
]
[[package]]
name = "cxx-build"
version = "1.0.94"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "12cee708e8962df2aeb38f594aae5d827c022b6460ac71a7a3e2c3c2aae5a07b"
dependencies = [
"cc",
"codespan-reporting",
"once_cell",
"proc-macro2",
"quote",
"scratch",
"syn 2.0.13",
]
[[package]]
name = "cxxbridge-flags"
version = "1.0.94"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7944172ae7e4068c533afbb984114a56c46e9ccddda550499caa222902c7f7bb"
[[package]]
name = "cxxbridge-macro"
version = "1.0.94"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "2345488264226bf682893e25de0769f3360aac9957980ec49361b083ddaa5bc5"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.13",
]
[[package]]
name = "derive_more"
version = "0.99.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4fb810d30a7c1953f91334de7244731fc3f3c10d7fe163338a35b9f640960321"
dependencies = [
"convert_case",
"proc-macro2",
"quote",
"rustc_version",
"syn 1.0.109",
]
[[package]]
name = "digest"
version = "0.10.6"
@ -163,6 +284,18 @@ dependencies = [
"str-buf",
]
[[package]]
name = "fallible-iterator"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
[[package]]
name = "fallible-streaming-iterator"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
[[package]]
name = "fd-lock"
version = "3.0.12"
@ -265,10 +398,28 @@ dependencies = [
"cfg-if",
"js-sys",
"libc",
"wasi",
"wasi 0.11.0+wasi-snapshot-preview1",
"wasm-bindgen",
]
[[package]]
name = "hashbrown"
version = "0.12.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
dependencies = [
"ahash",
]
[[package]]
name = "hashlink"
version = "0.8.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "69fe1fcf8b4278d860ad0548329f892a3631fb63f82574df68275f34cdbe0ffa"
dependencies = [
"hashbrown",
]
[[package]]
name = "hermit-abi"
version = "0.2.6"
@ -301,6 +452,30 @@ version = "1.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d897f394bad6a705d5f4104762e116a75639e470d80901eed05a860a95cb1904"
[[package]]
name = "iana-time-zone"
version = "0.1.56"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0722cd7114b7de04316e7ea5456a0bbb20e4adb46fd27a3697adb812cff0f37c"
dependencies = [
"android_system_properties",
"core-foundation-sys",
"iana-time-zone-haiku",
"js-sys",
"wasm-bindgen",
"windows",
]
[[package]]
name = "iana-time-zone-haiku"
version = "0.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "0703ae284fc167426161c2e3f1da3ea71d94b21bedbcc9494e92b28e334e3dca"
dependencies = [
"cxx",
"cxx-build",
]
[[package]]
name = "idna"
version = "0.3.0"
@ -371,6 +546,26 @@ version = "0.2.141"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
[[package]]
name = "libsqlite3-sys"
version = "0.26.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "afc22eff61b133b115c6e8c74e818c628d6d5e7a502afea6f64dee076dd94326"
dependencies = [
"cc",
"pkg-config",
"vcpkg",
]
[[package]]
name = "link-cplusplus"
version = "1.0.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ecd207c9c713c34f95a097a5b029ac2ce6010530c7b49d7fea24d977dede04f5"
dependencies = [
"cc",
]
[[package]]
name = "linux-raw-sys"
version = "0.3.1"
@ -410,7 +605,7 @@ checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
dependencies = [
"libc",
"log",
"wasi",
"wasi 0.11.0+wasi-snapshot-preview1",
"windows-sys 0.45.0",
]
@ -439,11 +634,30 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "f346ff70e7dbfd675fe90590b92d59ef2de15a8779ae305ebcbfd3f0caf59be4"
dependencies = [
"autocfg",
"bitflags",
"bitflags 1.3.2",
"cfg-if",
"libc",
]
[[package]]
name = "num-integer"
version = "0.1.45"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "225d3389fb3509a24c93f5c29eb6bde2586b98d9f016636dff58d7c6f7569cd9"
dependencies = [
"autocfg",
"num-traits",
]
[[package]]
name = "num-traits"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "578ede34cf02f8924ab9447f50c28075b4d3e5b269972345e7e0372b38c6cdcd"
dependencies = [
"autocfg",
]
[[package]]
name = "num_cpus"
version = "1.15.0"
@ -521,6 +735,12 @@ version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8b870d8c151b6f2fb93e84a13146138f05d02ed11c7e7c54f8826aaaf7c9f184"
[[package]]
name = "pkg-config"
version = "0.3.26"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "6ac9a59f73473f1b8d852421e59e64809f025994837ef743615c6d0c5b305160"
[[package]]
name = "ppv-lite86"
version = "0.2.17"
@ -591,7 +811,7 @@ version = "0.2.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "fb5a58c1855b4b6819d59012155603f0b22ad30cad752600aadfcb695265519a"
dependencies = [
"bitflags",
"bitflags 1.3.2",
]
[[package]]
@ -614,13 +834,37 @@ dependencies = [
"xmlparser",
]
[[package]]
name = "rusqlite"
version = "0.29.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "549b9d036d571d42e6e85d1c1425e2ac83491075078ca9a15be021c56b1641f2"
dependencies = [
"bitflags 2.1.0",
"chrono",
"fallible-iterator",
"fallible-streaming-iterator",
"hashlink",
"libsqlite3-sys",
"smallvec",
]
[[package]]
name = "rustc_version"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bfa0f585226d2e68097d4f95d113b15b83a82e819ab25717ec0590d9584ef366"
dependencies = [
"semver",
]
[[package]]
name = "rustix"
version = "0.37.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "85597d61f83914ddeba6a47b3b8ffe7365107221c2e557ed94426489fefb5f77"
dependencies = [
"bitflags",
"bitflags 1.3.2",
"errno",
"io-lifetimes",
"libc",
@ -634,7 +878,7 @@ version = "10.1.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "c1e83c32c3f3c33b08496e0d1df9ea8c64d39adb8eb36a1ebb1440c690697aef"
dependencies = [
"bitflags",
"bitflags 1.3.2",
"cfg-if",
"clipboard-win",
"dirs-next",
@ -663,6 +907,18 @@ version = "1.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "d29ab0c6d3fc0ee92fe66e2d99f700eab17a8d57d1c1d3b748380fb20baa78cd"
[[package]]
name = "scratch"
version = "1.0.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1792db035ce95be60c3f8853017b3999209281c24e2ba5bc8e59bf97a0c590c1"
[[package]]
name = "semver"
version = "1.0.17"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bebd363326d05ec3e2f532ab7660680f3b02130d780c299bca73469d521bc0ed"
[[package]]
name = "serde"
version = "1.0.160"
@ -709,7 +965,10 @@ dependencies = [
name = "shiritori"
version = "0.1.0"
dependencies = [
"chrono",
"derive_more",
"jisho",
"rusqlite",
"serde",
"serde_json",
"simple-websockets",
@ -799,6 +1058,15 @@ dependencies = [
"unicode-ident",
]
[[package]]
name = "termcolor"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "be55cf8942feac5c765c2c993422806843c9a9a45d4d5c407ad6dd2ea95eb9b6"
dependencies = [
"winapi-util",
]
[[package]]
name = "thiserror"
version = "1.0.40"
@ -819,6 +1087,17 @@ dependencies = [
"syn 2.0.13",
]
[[package]]
name = "time"
version = "0.1.45"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1b797afad3f312d1c66a56d11d0316f916356d11bd158fbc6ca6389ff6bf805a"
dependencies = [
"libc",
"wasi 0.10.0+wasi-snapshot-preview1",
"winapi",
]
[[package]]
name = "tinyvec"
version = "1.6.0"
@ -957,6 +1236,12 @@ version = "0.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "711b9620af191e0cdc7468a8d14e709c3dcdb115b36f838e601583af800a370a"
[[package]]
name = "vcpkg"
version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
[[package]]
name = "version_check"
version = "0.9.4"
@ -974,6 +1259,12 @@ dependencies = [
"lazy_static",
]
[[package]]
name = "wasi"
version = "0.10.0+wasi-snapshot-preview1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
[[package]]
name = "wasi"
version = "0.11.0+wasi-snapshot-preview1"
@ -1050,12 +1341,30 @@ version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
[[package]]
name = "winapi-util"
version = "0.1.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
dependencies = [
"winapi",
]
[[package]]
name = "winapi-x86_64-pc-windows-gnu"
version = "0.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
[[package]]
name = "windows"
version = "0.48.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "e686886bc078bc1b0b600cac0147aadb815089b6e4da64016cbd754b6342700f"
dependencies = [
"windows-targets 0.48.0",
]
[[package]]
name = "windows-sys"
version = "0.45.0"

3
Cargo.toml
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@ -6,7 +6,10 @@ edition = "2021"
# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
[dependencies]
chrono = { version = "0.4.24", features = ["serde"] }
derive_more = "0.99.17"
jisho = "0.1.5"
rusqlite = { version = "0.29.0", features = ["chrono", "bundled"] }
serde = { version = "1.0.160", features = ["serde_derive"] }
serde_json = "1.0.95"
simple-websockets = "0.1.5"

52
src/database.rs
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@ -0,0 +1,52 @@
use crate::Word;
use derive_more::From;
use std::path::PathBuf;
use rusqlite::{Connection, Result, params};
pub struct Database {
conn: Connection,
}
#[derive(From, Debug)]
pub enum DatabaseCreationError {
RusqliteError(rusqlite::Error),
IoError(std::io::Error),
}
impl Database {
pub fn new(
testing: bool,
) -> Result<Self, DatabaseCreationError> {
let conn = if testing {
Connection::open_in_memory()
} else {
let path = PathBuf::from("shiritori.db");
//fs::create_dir_all(path.parent().unwrap())?;
Connection::open(path)
}?;
conn.execute(
"CREATE TABLE IF NOT EXISTS word (
id INTEGER PRIMARY KEY,
word TEXT, reading TEXT,
timestamp DATETIME DEFAULT CURRENT_TIMESTAMP,
)",
params![],
)?;
Ok(Self { conn })
}
pub fn load_words_before(&self, before_id: i64) -> Result<Vec<Word>> {
self.conn
.prepare("SELECT id, word, reading, timestamp FROM word WHERE id < ? DESC LIMIT 10")?
.query_map(params![before_id], |row| {
Ok(Word {
id: row.get(0)?,
word: row.get(1)?,
reading: row.get(2)?,
timestamp: row.get(3)?,
})
})?
.collect::<Result<Vec<Word>>>()
}
}

20
src/dictionary.rs
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@ -0,0 +1,20 @@
use wana_kana::{ConvertJapanese, IsJapaneseStr};
pub fn lookup(input: &str) -> Option<&jisho::Entry> {
let input = input.trim();
for word in jisho::lookup(input) {
if
// If input has no kanji,
// we can just compare the input to the reading verbatim
// ensuring both are hiragana
(input.is_kana() && input.to_hiragana() == word.reading.to_hiragana()) ||
// Otherwise, we have to ensure that the input
// is verbosely the same.
// However, this will cause problems for some words.
// For example, 照り焼き will be accepted but 照焼 won't.
(input == word.kanji) {
return Some(word);
}
}
return None;
}

183
src/main.rs
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@ -1,177 +1,18 @@
use simple_websockets::{Event, Responder, Message};
use std::collections::HashMap;
use serde::Serialize;
use wana_kana::{ConvertJapanese, IsJapaneseStr};
mod database;
pub use database::*;
#[derive(Serialize)]
struct MessageResponse {
event: String,
data: MessageResponseData,
}
impl MessageResponse {
fn to_message(&self) -> Message {
Message::Text(serde_json::to_string(&self).unwrap())
}
}
#[derive(Serialize)]
#[serde(untagged)]
enum MessageResponseData {
Greeting {
id: u64,
},
Word {
author: u64,
word: String,
reading: Option<String>,
next_char: char,
},
PlayerCount {
players: u64,
},
Error {
message: String,
},
}
impl MessageResponseData {
fn get_name(&self) -> String {
String::from(match self {
Self::Greeting { .. } => "greeting",
Self::Word { .. } => "word",
Self::PlayerCount { .. } => "playerCount",
Self::Error { .. } => "error",
})
}
fn to_response(self) -> MessageResponse {
MessageResponse {
event: self.get_name(),
data: self,
}
}
mod dictionary;
pub use dictionary::*;
fn to_message(self) -> Message {
self.to_response().to_message()
}
}
fn broadcast_player_count(clients: &mut HashMap<u64, Responder>) {
let response = MessageResponseData::PlayerCount { players: clients.len() as u64 }.to_response();
for (_client, responder) in clients.iter() {
responder.send(response.to_message());
}
}
mod server;
pub use server::*;
fn lookup(input: &str) -> Option<&jisho::Entry> {
let input = input.trim();
for word in jisho::lookup(input) {
if
// If input has no kanji,
// we can just compare the input to the reading verbatim
// ensuring both are hiragana
(input.is_kana() && input.to_hiragana() == word.reading.to_hiragana()) ||
// Otherwise, we have to ensure that the input
// is verbosely the same.
// However, this will cause problems for some words.
// For example, 照り焼き will be accepted but 照焼 won't.
(input == word.kanji) {
return Some(word);
}
}
return None;
}
mod word;
pub use word::*;
fn main() {
let event_hub = simple_websockets::launch(8080)
.expect("failed to listen on port 8080");
let mut clients: HashMap<u64, Responder> = HashMap::new();
let mut next_char: Option<char> = None;
let mut last_response: Option<MessageResponse> = None;
let mut last_client_id: Option<u64> = None;
loop {
match event_hub.poll_event() {
Event::Connect(client_id, responder) => {
println!("A client connected with id #{}", client_id);
responder.send(MessageResponseData::Greeting { id: client_id }.to_message());
if let Some(ref last_response) = last_response {
responder.send(last_response.to_message());
}
clients.insert(client_id, responder);
broadcast_player_count(&mut clients);
},
Event::Disconnect(client_id) => {
println!("Client #{} disconnected.", client_id);
clients.remove(&client_id);
broadcast_player_count(&mut clients);
},
Event::Message(client_id, message) => {
// Ignore binary messages
let message = match message {
Message::Text(message) => message,
Message::Binary(_) => return,
};
// Debug
println!("Received a message from client #{}: {:?}", client_id, message);
let response = if Some(client_id) == last_client_id {
MessageResponseData::Error {
message: String::from("It's not your turn!"),
}
} else {
match lookup(&message) {
Some(entry) => {
if entry.reading.chars().last().unwrap().to_string().to_hiragana() == "ん" {
MessageResponseData::Error {
message: String::from("Can't end with ん!"),
}
} else if next_char.is_none() || entry.reading.chars().next().unwrap().to_string().to_hiragana().chars().next().unwrap() == next_char.unwrap() {
next_char = {
// If final character is lengthener or not kana
// Use semifinal
let mut final_chars = entry.reading.chars().rev();
let final_char = final_chars.next().unwrap();
Some(if final_char == 'ー' || !final_char.to_string().is_kana() {
final_chars.next().unwrap()
} else {
final_char
}.to_string().to_hiragana().chars().next().unwrap())
};
MessageResponseData::Word {
author: client_id,
word: entry.kanji.to_owned(),
reading: Some(entry.reading.to_owned()),
next_char: next_char.unwrap(),
}
} else {
MessageResponseData::Error {
message: String::from("Wrong starting kana!"),
}
}
}
None => MessageResponseData::Error {
message: String::from("Not in dictionary!"),
},
}
}.to_response();
match response.data {
// Send errors to only this client
MessageResponseData::Error { .. } => {
clients.get(&client_id).unwrap().send(response.to_message());
},
// Broadcast everything else to all clients
_ => {
for (_client, responder) in clients.iter() {
responder.send(response.to_message());
}
last_response = Some(response);
last_client_id = Some(client_id);
},
}
},
}
}
const PORT: u16 = 8080;
let mut server = Server::new(PORT)
.expect(&format!("Failed to start server at port {PORT}"));
server.run();
}

181
src/server.rs
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@ -0,0 +1,181 @@
use crate::dictionary::lookup;
use simple_websockets::{Event, Responder, Message, EventHub};
use std::collections::HashMap;
use serde::Serialize;
use wana_kana::{ConvertJapanese, IsJapaneseStr};
#[derive(Serialize)]
struct MessageResponse {
event: String,
data: MessageResponseData,
}
impl MessageResponse {
fn to_message(&self) -> Message {
Message::Text(serde_json::to_string(&self).unwrap())
}
}
#[derive(Serialize)]
#[serde(untagged)]
enum MessageResponseData {
Greeting {
id: u64,
},
Word {
author: u64,
word: String,
reading: Option<String>,
next_char: char,
},
PlayerCount {
players: u64,
},
Error {
message: String,
},
}
impl MessageResponseData {
fn get_name(&self) -> String {
String::from(match self {
Self::Greeting { .. } => "greeting",
Self::Word { .. } => "word",
Self::PlayerCount { .. } => "playerCount",
Self::Error { .. } => "error",
})
}
fn to_response(self) -> MessageResponse {
MessageResponse {
event: self.get_name(),
data: self,
}
}
fn to_message(self) -> Message {
self.to_response().to_message()
}
}
pub struct Server {
event_hub: EventHub,
clients: HashMap<u64, Responder>,
next_char: Option<char>,
last_response: Option<MessageResponse>,
last_client_id: Option<u64>,
}
impl Server {
pub fn new(port: u16) -> Result<Self, simple_websockets::Error> {
Ok(Server {
event_hub: simple_websockets::launch(port)?,
clients: HashMap::new(),
next_char: None,
last_response: None,
last_client_id: None,
})
}
pub fn run(&mut self) {
loop {
match self.event_hub.poll_event() {
Event::Connect(client_id, responder) => self.handle_connection(client_id, responder),
Event::Disconnect(client_id) => self.handle_disconnection(client_id),
Event::Message(client_id, message) => self.handle_message(client_id, message),
}
}
}
fn broadcast_player_count(&self) {
let response = MessageResponseData::PlayerCount { players: self.clients.len() as u64 }.to_response();
for (_client, responder) in self.clients.iter() {
responder.send(response.to_message());
}
}
fn handle_connection(&mut self, client_id: u64, responder: Responder) {
println!("A client connected with id #{}", client_id);
responder.send(MessageResponseData::Greeting { id: client_id }.to_message());
if let Some(ref last_response) = self.last_response {
responder.send(last_response.to_message());
}
self.clients.insert(client_id, responder);
self.broadcast_player_count();
}
fn handle_disconnection(&mut self, client_id: u64) {
println!("Client #{} disconnected.", client_id);
self.clients.remove(&client_id);
self.broadcast_player_count();
}
fn handle_message(&mut self, client_id: u64, message: Message) {
// Ignore binary messages
let message = match message {
Message::Text(message) => message,
Message::Binary(_) => return,
};
// Debug
println!("Received a message from client #{}: {:?}", client_id, message);
let response = if Some(client_id) == self.last_client_id {
MessageResponseData::Error {
message: String::from("It's not your turn!"),
}
} else {
match lookup(&message) {
Some(entry) => {
if entry.reading.chars().last().unwrap().to_string().to_hiragana() == "ん" {
MessageResponseData::Error {
message: String::from("Can't end with ん!"),
}
} else if self.next_char.is_none() || entry.reading.chars().next().unwrap().to_string().to_hiragana().chars().next().unwrap() == self.next_char.unwrap() {
self.next_char = {
// If final character is lengthener or not kana
// Use semifinal
let mut final_chars = entry.reading.chars().rev();
let final_char = final_chars.next().unwrap();
Some(if final_char == 'ー' || !final_char.to_string().is_kana() {
final_chars.next().unwrap()
} else {
final_char
}.to_string().to_hiragana().chars().next().unwrap())
};
MessageResponseData::Word {
author: client_id,
word: entry.kanji.to_owned(),
reading: Some(entry.reading.to_owned()),
next_char: self.next_char.unwrap(),
}
} else {
MessageResponseData::Error {
message: String::from("Wrong starting kana!"),
}
}
}
None => MessageResponseData::Error {
message: String::from("Not in dictionary!"),
},
}
}.to_response();
match response.data {
// Send errors to only this client
MessageResponseData::Error { .. } => {
self.clients.get(&client_id).unwrap().send(response.to_message());
},
// Broadcast everything else to all clients
_ => {
for (_client, responder) in self.clients.iter() {
responder.send(response.to_message());
}
self.last_response = Some(response);
self.last_client_id = Some(client_id);
},
}
}
}

11
src/word.rs
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@ -0,0 +1,11 @@
use chrono::{DateTime, Utc};
use serde::Serialize;
#[derive(Serialize)]
#[serde(rename_all = "camelCase")]
pub struct Word {
pub id: i64,
pub word: String,
pub reading: String,
pub timestamp: DateTime<Utc>,
}
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