refactor: 重写题目获得逻辑
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parent
aedfa99c55
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92
src/fetch_problem.rs
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92
src/fetch_problem.rs
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@ -0,0 +1,92 @@
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use serde_derive::{Deserialize, Serialize};
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use serde_json::json;
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pub mod fetcher;
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pub mod manager;
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#[derive(Serialize, Deserialize)]
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pub struct CodeDefinition {
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pub value: String,
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pub text: String,
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#[serde(rename = "defaultCode")]
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pub default_code: String
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}
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/// LeetCode 单个问题
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pub struct Problem {
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pub title: String,
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pub title_slug: String,
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pub content: String,
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pub code_definition: Vec<CodeDefinition>,
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pub question_id: u32,
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pub return_type: String
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}
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#[derive(Serialize, Deserialize)]
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pub struct Stat {
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question_id: u32,
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#[serde(rename = "question__article__slug")]
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question_article_slug: Option<String>,
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#[serde(rename = "question__title")]
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pub question_title: Option<String>,
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#[serde(rename = "question__title_slug")]
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pub question_title_slug: Option<String>,
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#[serde(rename = "question__hide")]
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question_hide: bool,
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total_acs: u32,
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total_submitted: u32,
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pub frontend_question_id: String,
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is_new_question: bool,
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}
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#[derive(Serialize, Deserialize)]
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pub struct StatWithStatus {
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pub stat: Stat,
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pub paid_only: bool,
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}
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#[derive(Serialize, Deserialize)]
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pub struct Problems {
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pub stat_status_pairs: Vec<StatWithStatus>
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}
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const QUESTION_QUERY_STRING: &str = r#"
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query questionData($titleSlug: String!) {
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question(titleSlug: $titleSlug) {
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content
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stats
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codeDefinition
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sampleTestCase
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metaData
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}
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}"#;
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const QUESTION_QUERY_OPERATION: &str = "questionData";
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/// 题目查询
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#[derive(Serialize, Deserialize)]
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pub struct Query {
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#[serde(rename = "operationName")]
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operation_name: String,
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variables: serde_json::Value,
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query: String
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}
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impl Query {
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pub fn new(title: &str) -> Query {
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Query {
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operation_name: QUESTION_QUERY_OPERATION.to_owned(),
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variables: json!({
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"titleSlug": title
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}),
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query: QUESTION_QUERY_STRING.to_owned()
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}
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}
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}
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pub struct Fetcher {
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client: reqwest::Client
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}
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pub struct ProblemManager {
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pub problem_list: Vec<u32>,
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}
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104
src/fetch_problem/fetcher.rs
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104
src/fetch_problem/fetcher.rs
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@ -0,0 +1,104 @@
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use std::error::Error;
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use serde_derive::{Deserialize, Serialize};
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use super::{Problem, Problems, Query, Fetcher};
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const PROBLEMS_URL: &str = "https://leetcode.cn/api/problems/algorithms/";
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const GRAPHQL_URL: &str = "https://leetcode.cn/graphql";
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impl Fetcher {
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pub fn new() -> Fetcher {
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Fetcher {
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client: reqwest::Client::new()
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}
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}
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pub async fn get_problems(&self) -> Result<Problems, reqwest::Error> {
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Ok(reqwest::get(PROBLEMS_URL)
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.await?
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.json()
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.await?
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)
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}
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pub async fn get_problem(self, question_id: u32) -> Result<Problem, Box<dyn Error>> {
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let problems = self.get_problems().await?;
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for problem in &problems.stat_status_pairs {
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match problem.stat.frontend_question_id.parse::<u32>() {
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Ok(id) => {
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if id == question_id {
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if problem.paid_only {
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return Err("failed to get paid only problem".into())
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}
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let query = match &problem.stat.question_title_slug {
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None => {
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Err::<Query, Box<dyn Error>>("failed to get problem title slug".into())
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}
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Some(value) => {
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Ok(Query::new(value.as_str()))
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}
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}?;
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let response = self.client
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.post(GRAPHQL_URL)
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.json(&query)
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.send()
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.await?
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.json::<RawProblem>()
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.await?;
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let title = problem.stat.question_title.clone()
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.ok_or::<Box<dyn Error>>("failed to get problem title".into())?;
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let title_slug = problem.stat.question_title_slug.clone()
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.ok_or::<Box<dyn Error>>("failed to get problem title slug".into())?;
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let return_type = {
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let v = serde_json::from_str::<serde_json::Value>(
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&response.data.question.meta_data);
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v.and_then(|x| {
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return Ok(x.to_string().replace("\"", ""))
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})
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}?;
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let code_definition = serde_json::from_str(
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&response.data.question.code_definition
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)?;
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return Ok(Problem {
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title,
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title_slug,
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code_definition,
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content: response.data.question.content,
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question_id: id,
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return_type
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})
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}
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}
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Err(_) => {}
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}
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}
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Err("failed to get target problem".into())
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}
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}
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#[derive(Debug, Serialize, Deserialize)]
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struct RawProblem {
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data: Data,
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}
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#[derive(Debug, Serialize, Deserialize)]
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struct Data {
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question: Question,
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}
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#[derive(Debug, Serialize, Deserialize)]
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struct Question {
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content: String,
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stats: String,
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#[serde(rename = "codeDefinition")]
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code_definition: String,
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#[serde(rename = "sampleTestCase")]
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sample_test_case: String,
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#[serde(rename = "metaData")]
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meta_data: String,
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}
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72
src/fetch_problem/manager.rs
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72
src/fetch_problem/manager.rs
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@ -0,0 +1,72 @@
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use super::{Problem, ProblemManager};
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use std::fs;
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use regex::{Regex};
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impl ProblemManager {
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pub fn scan() -> Result<ProblemManager, Box<dyn std::error::Error>> {
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let pattern = Regex::new(r"p(\d{4})_")?;
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let mut problems = Vec::new();
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let mod_content = fs::read_to_string("./src/problem/mod.rs")?;
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for i in pattern.captures_iter(&mod_content) {
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match i.get(1) {
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None => {}
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Some(value) => {
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match value.as_str().parse::<u32>() {
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Ok(id) => {
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problems.push(id);
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}
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Err(_) => {}
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}
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}
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}
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}
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Ok(ProblemManager {
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problem_list: problems
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})
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}
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}
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impl Problem {
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pub fn get_filename(&self) -> String {
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format!("p{}_{}", self.question_id, self.title_slug.replace('-', "_"))
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}
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pub fn get_file_content(&self) -> Result<String, Box<dyn std::error::Error>> {
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let template = fs::read_to_string("./template.rs")?;
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let code = self.code_definition
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.iter()
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.find(|x| x.value == "rust");
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let code = code.ok_or::<Box<dyn std::error::Error>>(
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format!("problem {} doesn't have rust version", self.question_id).into()
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)?;
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let source = template
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.replace("__PROBLEM_TITLE__", &self.title)
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.replace("__PROBLEM_ID__", self.question_id.to_string().as_str())
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.replace(
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"__PROBLEM_DEFAULT_CODE__",
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&code.default_code)
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.replace("__EXTRA_USE__", &parse_extra_use(&code.default_code));
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Ok(source)
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}
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}
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fn parse_extra_use(code: &str) -> String {
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let mut extra_use_line = String::new();
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// a linked-list problem
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if code.contains("pub struct ListNode") {
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extra_use_line.push_str("\nuse crate::util::linked_list::{ListNode, to_list};")
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}
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if code.contains("pub struct TreeNode") {
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extra_use_line.push_str("\nuse crate::util::tree::{TreeNode, to_tree};")
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}
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if code.contains("pub struct Point") {
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extra_use_line.push_str("\nuse crate::util::point::Point;")
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}
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extra_use_line
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}
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231
src/fetcher.rs
231
src/fetcher.rs
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@ -1,231 +0,0 @@
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extern crate reqwest;
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extern crate serde_json;
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use serde_json::Value;
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use std::fmt::{Display, Error, Formatter};
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const PROBLEMS_URL: &str = "https://leetcode.cn/api/problems/algorithms/";
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const GRAPHQL_URL: &str = "https://leetcode.cn/graphql";
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const QUESTION_QUERY_STRING: &str = r#"
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query questionData($titleSlug: String!) {
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question(titleSlug: $titleSlug) {
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content
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stats
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codeDefinition
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sampleTestCase
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metaData
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}
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}"#;
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const QUESTION_QUERY_OPERATION: &str = "questionData";
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pub async fn get_problem(frontend_question_id: u32) -> Option<Problem> {
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let problems = get_problems().await.unwrap();
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for problem in problems.stat_status_pairs.iter() {
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match problem.stat.frontend_question_id.parse::<u32>() {
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Ok(id) => {
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if id == frontend_question_id {
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if problem.paid_only {
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return None;
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}
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let client = reqwest::Client::new();
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let resp: RawProblem = client
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.post(GRAPHQL_URL)
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.json(&Query::question_query(
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problem.stat.question_title_slug.as_ref().unwrap(),
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))
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.send()
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.await
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.unwrap()
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.json()
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.await
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.unwrap();
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return Some(Problem {
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title: problem.stat.question_title.clone().unwrap(),
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title_slug: problem.stat.question_title_slug.clone().unwrap(),
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code_definition: serde_json::from_str(&resp.data.question.code_definition).unwrap(),
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content: resp.data.question.content,
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sample_test_case: resp.data.question.sample_test_case,
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difficulty: problem.difficulty.to_string(),
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question_id: id,
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return_type: {
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let v: Value = serde_json::from_str(&resp.data.question.meta_data).unwrap();
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v["return"]["type"].to_string().replace("\"", "")
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},
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});
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}
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}
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_ => {}
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}
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}
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None
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}
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pub async fn get_problem_async(problem_stat: StatWithStatus) -> Option<Problem> {
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if problem_stat.paid_only {
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println!(
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"Problem {} is paid-only",
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&problem_stat.stat.frontend_question_id
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);
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return None;
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}
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let resp = surf::post(GRAPHQL_URL).body_json(&Query::question_query(
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problem_stat.stat.question_title_slug.as_ref().unwrap(),
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));
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if resp.is_err() {
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println!(
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"Problem {} not initialized due to some error",
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&problem_stat.stat.frontend_question_id
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);
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return None;
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}
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let resp = resp.unwrap().recv_json().await;
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if resp.is_err() {
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println!(
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"Problem {} not initialized due to some error",
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&problem_stat.stat.frontend_question_id
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);
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return None;
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}
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let resp: RawProblem = resp.unwrap();
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match problem_stat.stat.frontend_question_id.parse::<u32>() {
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Ok(id) => {
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return Some(Problem {
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title: problem_stat.stat.question_title.clone().unwrap(),
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title_slug: problem_stat.stat.question_title_slug.clone().unwrap(),
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code_definition: serde_json::from_str(&resp.data.question.code_definition).unwrap(),
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content: resp.data.question.content,
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sample_test_case: resp.data.question.sample_test_case,
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difficulty: problem_stat.difficulty.to_string(),
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question_id: id,
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return_type: {
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let v: Value = serde_json::from_str(&resp.data.question.meta_data).unwrap();
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v["return"]["type"].to_string().replace("\"", "")
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},
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});
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}
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_ => {
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None
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}
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}
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}
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pub async fn get_problems() -> Option<Problems> {
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reqwest::get(PROBLEMS_URL).await.unwrap().json().await.unwrap()
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}
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#[derive(Serialize, Deserialize)]
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pub struct Problem {
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pub title: String,
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pub title_slug: String,
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pub content: String,
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|
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#[serde(rename = "codeDefinition")]
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pub code_definition: Vec<CodeDefinition>,
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#[serde(rename = "sampleTestCase")]
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pub sample_test_case: String,
|
|
||||||
pub difficulty: String,
|
|
||||||
pub question_id: u32,
|
|
||||||
pub return_type: String,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Serialize, Deserialize)]
|
|
||||||
pub struct CodeDefinition {
|
|
||||||
pub value: String,
|
|
||||||
pub text: String,
|
|
||||||
#[serde(rename = "defaultCode")]
|
|
||||||
pub default_code: String,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
struct Query {
|
|
||||||
#[serde(rename = "operationName")]
|
|
||||||
operation_name: String,
|
|
||||||
variables: serde_json::Value,
|
|
||||||
query: String,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Query {
|
|
||||||
fn question_query(title_slug: &str) -> Query {
|
|
||||||
Query {
|
|
||||||
operation_name: QUESTION_QUERY_OPERATION.to_owned(),
|
|
||||||
variables: json!({ "titleSlug": title_slug }),
|
|
||||||
query: QUESTION_QUERY_STRING.to_owned(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
struct RawProblem {
|
|
||||||
data: Data,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
struct Data {
|
|
||||||
question: Question,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
struct Question {
|
|
||||||
content: String,
|
|
||||||
stats: String,
|
|
||||||
#[serde(rename = "codeDefinition")]
|
|
||||||
code_definition: String,
|
|
||||||
#[serde(rename = "sampleTestCase")]
|
|
||||||
sample_test_case: String,
|
|
||||||
#[serde(rename = "metaData")]
|
|
||||||
meta_data: String,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
pub struct Problems {
|
|
||||||
user_name: String,
|
|
||||||
num_solved: u32,
|
|
||||||
num_total: u32,
|
|
||||||
ac_easy: u32,
|
|
||||||
ac_medium: u32,
|
|
||||||
ac_hard: u32,
|
|
||||||
pub stat_status_pairs: Vec<StatWithStatus>,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
pub struct StatWithStatus {
|
|
||||||
pub stat: Stat,
|
|
||||||
difficulty: Difficulty,
|
|
||||||
paid_only: bool,
|
|
||||||
is_favor: bool,
|
|
||||||
frequency: u32,
|
|
||||||
progress: u32,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
pub struct Stat {
|
|
||||||
question_id: u32,
|
|
||||||
#[serde(rename = "question__article__slug")]
|
|
||||||
question_article_slug: Option<String>,
|
|
||||||
#[serde(rename = "question__title")]
|
|
||||||
question_title: Option<String>,
|
|
||||||
#[serde(rename = "question__title_slug")]
|
|
||||||
question_title_slug: Option<String>,
|
|
||||||
#[serde(rename = "question__hide")]
|
|
||||||
question_hide: bool,
|
|
||||||
total_acs: u32,
|
|
||||||
total_submitted: u32,
|
|
||||||
pub frontend_question_id: String,
|
|
||||||
is_new_question: bool,
|
|
||||||
}
|
|
||||||
|
|
||||||
#[derive(Debug, Serialize, Deserialize)]
|
|
||||||
struct Difficulty {
|
|
||||||
level: u32,
|
|
||||||
}
|
|
||||||
|
|
||||||
impl Display for Difficulty {
|
|
||||||
fn fmt(&self, f: &mut Formatter) -> Result<(), Error> {
|
|
||||||
match self.level {
|
|
||||||
1 => f.write_str("Easy"),
|
|
||||||
2 => f.write_str("Medium"),
|
|
||||||
3 => f.write_str("Hard"),
|
|
||||||
_ => f.write_str("Unknown"),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
@ -1,5 +1,3 @@
|
||||||
#[macro_use]
|
#[macro_use]
|
||||||
pub mod util;
|
pub mod util;
|
||||||
|
|
||||||
pub mod solution;
|
|
||||||
pub mod problem;
|
pub mod problem;
|
||||||
|
|
|
||||||
387
src/main.rs
387
src/main.rs
|
|
@ -1,366 +1,65 @@
|
||||||
#[macro_use]
|
|
||||||
extern crate serde_derive;
|
|
||||||
#[macro_use]
|
|
||||||
extern crate serde_json;
|
|
||||||
|
|
||||||
mod fetcher;
|
|
||||||
|
|
||||||
use crate::fetcher::{CodeDefinition, Problem};
|
|
||||||
use regex::Regex;
|
|
||||||
use std::fs;
|
use std::fs;
|
||||||
use std::fs::File;
|
use std::io::Write;
|
||||||
use std::io;
|
|
||||||
use std::io::{BufRead, Write};
|
|
||||||
use std::path::Path;
|
use std::path::Path;
|
||||||
|
use crate::fetch_problem::{Fetcher, ProblemManager};
|
||||||
|
|
||||||
use futures::executor::block_on;
|
mod fetch_problem;
|
||||||
use futures::executor::ThreadPool;
|
|
||||||
use futures::future::join_all;
|
|
||||||
use futures::stream::StreamExt;
|
|
||||||
use futures::task::SpawnExt;
|
|
||||||
use std::sync::{Arc, Mutex};
|
|
||||||
|
|
||||||
/// main() helps to generate the submission template .rs
|
|
||||||
#[tokio::main]
|
#[tokio::main]
|
||||||
async fn main() {
|
async fn main() {
|
||||||
println!("Welcome to leetcode-rust system.\n");
|
let manager = ProblemManager::scan().expect("Failed to scan mod file.");
|
||||||
let mut initialized_ids = get_initialized_ids();
|
let fetcher = Fetcher::new();
|
||||||
loop {
|
|
||||||
println!(
|
|
||||||
"Please enter a frontend problem id, \n\
|
|
||||||
or \"random\" to generate a random one, \n\
|
|
||||||
or \"solve $i\" to move problem to solution/, \n\
|
|
||||||
or \"all\" to initialize all problems \n"
|
|
||||||
);
|
|
||||||
let mut is_random = false;
|
|
||||||
let mut is_solving = false;
|
|
||||||
let mut id: u32 = 0;
|
|
||||||
let mut id_arg = String::new();
|
|
||||||
io::stdin()
|
|
||||||
.read_line(&mut id_arg)
|
|
||||||
.expect("Failed to read line");
|
|
||||||
let id_arg = id_arg.trim();
|
|
||||||
|
|
||||||
let random_pattern = Regex::new(r"^random$").unwrap();
|
let args: Vec<String> = std::env::args().collect();
|
||||||
let solving_pattern = Regex::new(r"^solve (\d+)$").unwrap();
|
let operation = &args[1].as_str();
|
||||||
let all_pattern = Regex::new(r"^all$").unwrap();
|
|
||||||
|
|
||||||
if random_pattern.is_match(id_arg) {
|
match operation {
|
||||||
println!("You select random mode.");
|
&"get" => {
|
||||||
id = generate_random_id(&initialized_ids);
|
let id = args[2].parse::<u32>();
|
||||||
is_random = true;
|
|
||||||
println!("Generate random problem: {}", &id);
|
match id {
|
||||||
} else if solving_pattern.is_match(id_arg) {
|
Ok(id) => {
|
||||||
// solve a problem
|
if manager.problem_list.contains(&id) {
|
||||||
// move it from problem/ to solution/
|
eprintln!("Problem {} exists.", id);
|
||||||
is_solving = true;
|
return;
|
||||||
id = solving_pattern
|
|
||||||
.captures(id_arg)
|
|
||||||
.unwrap()
|
|
||||||
.get(1)
|
|
||||||
.unwrap()
|
|
||||||
.as_str()
|
|
||||||
.parse()
|
|
||||||
.unwrap();
|
|
||||||
deal_solving(&id).await;
|
|
||||||
break;
|
|
||||||
} else if all_pattern.is_match(id_arg) {
|
|
||||||
// deal all problems
|
|
||||||
let pool = ThreadPool::new().unwrap();
|
|
||||||
let mut tasks = vec![];
|
|
||||||
let problems = fetcher::get_problems().await.unwrap();
|
|
||||||
let mut mod_file_addon = Arc::new(Mutex::new(vec![]));
|
|
||||||
for problem_stat in problems.stat_status_pairs {
|
|
||||||
match problem_stat.stat.frontend_question_id.parse::<u32>() {
|
|
||||||
Ok(id) => {
|
|
||||||
if initialized_ids.contains(&id) {
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
}
|
}
|
||||||
_ => {}
|
|
||||||
};
|
println!("Try to get problem {}...", id);
|
||||||
let mod_file_addon = mod_file_addon.clone();
|
|
||||||
tasks.push(
|
let problem = fetcher.get_problem(id).await
|
||||||
pool.spawn_with_handle(async move {
|
.expect(&*format!("Failed to get problem {}.", id));
|
||||||
let problem = fetcher::get_problem_async(problem_stat).await;
|
|
||||||
if problem.is_none() {
|
let file_name = problem.get_filename();
|
||||||
return;
|
println!("Get problem: {}.", file_name);
|
||||||
}
|
let content = problem.get_file_content().expect("Failed to format file content");
|
||||||
let problem = problem.unwrap();
|
|
||||||
let code = problem
|
write_file(&file_name, &content).expect("Failed to write problem file.");
|
||||||
.code_definition
|
}
|
||||||
.iter()
|
Err(_) => {
|
||||||
.find(|&d| d.value == "rust".to_string());
|
eprintln!("Get operation needs a usize param.")
|
||||||
if code.is_none() {
|
}
|
||||||
println!("Problem {} has no rust version.", problem.question_id);
|
|
||||||
return;
|
|
||||||
}
|
|
||||||
// not sure this can be async
|
|
||||||
async {
|
|
||||||
mod_file_addon.lock().unwrap().push(format!(
|
|
||||||
"mod p{:04}_{};",
|
|
||||||
problem.question_id,
|
|
||||||
problem.title_slug.replace("-", "_")
|
|
||||||
));
|
|
||||||
}
|
|
||||||
.await;
|
|
||||||
let code = code.unwrap();
|
|
||||||
// not sure this can be async
|
|
||||||
// maybe should use async-std io
|
|
||||||
async { deal_problem(&problem, &code, false) }.await
|
|
||||||
})
|
|
||||||
.unwrap(),
|
|
||||||
);
|
|
||||||
}
|
|
||||||
block_on(join_all(tasks));
|
|
||||||
let mut lib_file = fs::OpenOptions::new()
|
|
||||||
.write(true)
|
|
||||||
.append(true)
|
|
||||||
.open("./src/problem/mod.rs")
|
|
||||||
.unwrap();
|
|
||||||
writeln!(lib_file, "{}", mod_file_addon.lock().unwrap().join("\n"));
|
|
||||||
break;
|
|
||||||
} else {
|
|
||||||
id = id_arg
|
|
||||||
.parse::<u32>()
|
|
||||||
.unwrap_or_else(|_| panic!("not a number: {}", id_arg));
|
|
||||||
if initialized_ids.contains(&id) {
|
|
||||||
println!("The problem you chose has been initialized in problem/");
|
|
||||||
continue;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
_ => {}
|
||||||
let problem = fetcher::get_problem(id).await.unwrap_or_else(|| {
|
|
||||||
panic!(
|
|
||||||
"Error: failed to get problem #{} \
|
|
||||||
(The problem may be paid-only or may not be exist).",
|
|
||||||
id
|
|
||||||
)
|
|
||||||
});
|
|
||||||
let code = problem
|
|
||||||
.code_definition
|
|
||||||
.iter()
|
|
||||||
.find(|&d| d.value == "rust".to_string());
|
|
||||||
if code.is_none() {
|
|
||||||
println!("Problem {} has no rust version.", &id);
|
|
||||||
initialized_ids.push(problem.question_id);
|
|
||||||
continue;
|
|
||||||
}
|
|
||||||
let code = code.unwrap();
|
|
||||||
deal_problem(&problem, &code, true);
|
|
||||||
break;
|
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
fn generate_random_id(except_ids: &[u32]) -> u32 {
|
fn write_file(file_name: &String, file_content: &String) -> std::io::Result<()> {
|
||||||
use rand::Rng;
|
|
||||||
let mut rng = rand::thread_rng();
|
|
||||||
loop {
|
|
||||||
let res: u32 = rng.gen_range(1, 1106);
|
|
||||||
if !except_ids.contains(&res) {
|
|
||||||
return res;
|
|
||||||
}
|
|
||||||
println!(
|
|
||||||
"Generate a random num ({}), but it is invalid (the problem may have been solved \
|
|
||||||
or may have no rust version). Regenerate..",
|
|
||||||
res
|
|
||||||
);
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn get_initialized_ids() -> Vec<u32> {
|
|
||||||
let content = fs::read_to_string("./src/problem/mod.rs").unwrap();
|
|
||||||
let id_pattern = Regex::new(r"p(\d{4})_").unwrap();
|
|
||||||
id_pattern
|
|
||||||
.captures_iter(&content)
|
|
||||||
.map(|x| x.get(1).unwrap().as_str().parse().unwrap())
|
|
||||||
.collect()
|
|
||||||
}
|
|
||||||
|
|
||||||
fn parse_extra_use(code: &str) -> String {
|
|
||||||
let mut extra_use_line = String::new();
|
|
||||||
// a linked-list problem
|
|
||||||
if code.contains("pub struct ListNode") {
|
|
||||||
extra_use_line.push_str("\nuse crate::util::linked_list::{ListNode, to_list};")
|
|
||||||
}
|
|
||||||
if code.contains("pub struct TreeNode") {
|
|
||||||
extra_use_line.push_str("\nuse crate::util::tree::{TreeNode, to_tree};")
|
|
||||||
}
|
|
||||||
if code.contains("pub struct Point") {
|
|
||||||
extra_use_line.push_str("\nuse crate::util::point::Point;")
|
|
||||||
}
|
|
||||||
extra_use_line
|
|
||||||
}
|
|
||||||
|
|
||||||
fn parse_problem_link(problem: &Problem) -> String {
|
|
||||||
format!("https://leetcode.cn/problems/{}/", problem.title_slug)
|
|
||||||
}
|
|
||||||
|
|
||||||
fn parse_discuss_link(problem: &Problem) -> String {
|
|
||||||
format!(
|
|
||||||
"https://leetcode.cn/problems/{}/discuss/?currentPage=1&orderBy=most_votes&query=",
|
|
||||||
problem.title_slug
|
|
||||||
)
|
|
||||||
}
|
|
||||||
|
|
||||||
fn insert_return_in_code(return_type: &str, code: &str) -> String {
|
|
||||||
let re = Regex::new(r"\{[ \n]+}").unwrap();
|
|
||||||
match return_type {
|
|
||||||
"ListNode" => re
|
|
||||||
.replace(&code, "{\n Some(Box::new(ListNode::new(0)))\n }")
|
|
||||||
.to_string(),
|
|
||||||
"ListNode[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"TreeNode" => re
|
|
||||||
.replace(
|
|
||||||
&code,
|
|
||||||
"{\n Some(Rc::new(RefCell::new(TreeNode::new(0))))\n }",
|
|
||||||
)
|
|
||||||
.to_string(),
|
|
||||||
"boolean" => re.replace(&code, "{\n false\n }").to_string(),
|
|
||||||
"character" => re.replace(&code, "{\n '0'\n }").to_string(),
|
|
||||||
"character[][]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"double" => re.replace(&code, "{\n 0f64\n }").to_string(),
|
|
||||||
"double[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"int[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"integer" => re.replace(&code, "{\n 0\n }").to_string(),
|
|
||||||
"integer[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"integer[][]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<String>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<TreeNode>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<boolean>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<double>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<integer>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<list<integer>>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<list<string>>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"list<string>" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"null" => code.to_string(),
|
|
||||||
"string" => re
|
|
||||||
.replace(&code, "{\n String::new()\n }")
|
|
||||||
.to_string(),
|
|
||||||
"string[]" => re.replace(&code, "{\n vec![]\n }").to_string(),
|
|
||||||
"void" => code.to_string(),
|
|
||||||
"NestedInteger" => code.to_string(),
|
|
||||||
"Node" => code.to_string(),
|
|
||||||
_ => code.to_string(),
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
fn build_desc(content: &str) -> String {
|
|
||||||
// TODO: fix this shit
|
|
||||||
content
|
|
||||||
.replace("<strong>", "")
|
|
||||||
.replace("</strong>", "")
|
|
||||||
.replace("<em>", "")
|
|
||||||
.replace("</em>", "")
|
|
||||||
.replace("</p>", "")
|
|
||||||
.replace("<p>", "")
|
|
||||||
.replace("<b>", "")
|
|
||||||
.replace("</b>", "")
|
|
||||||
.replace("<pre>", "")
|
|
||||||
.replace("</pre>", "")
|
|
||||||
.replace("<ul>", "")
|
|
||||||
.replace("</ul>", "")
|
|
||||||
.replace("<li>", "")
|
|
||||||
.replace("</li>", "")
|
|
||||||
.replace("<code>", "")
|
|
||||||
.replace("</code>", "")
|
|
||||||
.replace("<i>", "")
|
|
||||||
.replace("</i>", "")
|
|
||||||
.replace("<sub>", "")
|
|
||||||
.replace("</sub>", "")
|
|
||||||
.replace("</sup>", "")
|
|
||||||
.replace("<sup>", "^")
|
|
||||||
.replace(" ", " ")
|
|
||||||
.replace(">", ">")
|
|
||||||
.replace("<", "<")
|
|
||||||
.replace(""", "\"")
|
|
||||||
.replace("−", "-")
|
|
||||||
.replace("'", "'")
|
|
||||||
.replace("\n\n", "\n")
|
|
||||||
.replace("\n", "\n * ")
|
|
||||||
}
|
|
||||||
|
|
||||||
async fn deal_solving(id: &u32) {
|
|
||||||
let problem = fetcher::get_problem(*id).await.unwrap();
|
|
||||||
let file_name = format!(
|
|
||||||
"p{:04}_{}",
|
|
||||||
problem.question_id,
|
|
||||||
problem.title_slug.replace("-", "_")
|
|
||||||
);
|
|
||||||
let file_path = Path::new("./src/problem").join(format!("{}.rs", file_name));
|
let file_path = Path::new("./src/problem").join(format!("{}.rs", file_name));
|
||||||
// check problem/ existence
|
|
||||||
if !file_path.exists() {
|
|
||||||
panic!("problem does not exist");
|
|
||||||
}
|
|
||||||
// check solution/ no existence
|
|
||||||
let solution_name = format!(
|
|
||||||
"s{:04}_{}",
|
|
||||||
problem.question_id,
|
|
||||||
problem.title_slug.replace("-", "_")
|
|
||||||
);
|
|
||||||
let solution_path = Path::new("./src/solution").join(format!("{}.rs", solution_name));
|
|
||||||
if solution_path.exists() {
|
|
||||||
panic!("solution exists");
|
|
||||||
}
|
|
||||||
// rename/move file
|
|
||||||
fs::rename(file_path, solution_path).unwrap();
|
|
||||||
// remove from problem/mod.rs
|
|
||||||
let mod_file = "./src/problem/mod.rs";
|
|
||||||
let target_line = format!("mod {};", file_name);
|
|
||||||
let lines: Vec<String> = io::BufReader::new(File::open(mod_file).unwrap())
|
|
||||||
.lines()
|
|
||||||
.map(|x| x.unwrap())
|
|
||||||
.filter(|x| *x != target_line)
|
|
||||||
.collect();
|
|
||||||
fs::write(mod_file, lines.join("\n"));
|
|
||||||
// insert into solution/mod.rs
|
|
||||||
let mut lib_file = fs::OpenOptions::new()
|
|
||||||
.append(true)
|
|
||||||
.open("./src/solution/mod.rs")
|
|
||||||
.unwrap();
|
|
||||||
writeln!(lib_file, "mod {};", solution_name);
|
|
||||||
}
|
|
||||||
|
|
||||||
fn deal_problem(problem: &Problem, code: &CodeDefinition, write_mod_file: bool) {
|
|
||||||
let file_name = format!(
|
|
||||||
"p{:04}_{}",
|
|
||||||
problem.question_id,
|
|
||||||
problem.title_slug.replace("-", "_")
|
|
||||||
);
|
|
||||||
let file_path = Path::new("./src/problem").join(format!("{}.rs", file_name));
|
|
||||||
if file_path.exists() {
|
|
||||||
panic!("problem already initialized");
|
|
||||||
}
|
|
||||||
|
|
||||||
let template = fs::read_to_string("./template.rs").unwrap();
|
|
||||||
let source = template
|
|
||||||
.replace("__PROBLEM_TITLE__", &problem.title)
|
|
||||||
.replace("__PROBLEM_DESC__", &build_desc(&problem.content))
|
|
||||||
.replace(
|
|
||||||
"__PROBLEM_DEFAULT_CODE__",
|
|
||||||
&insert_return_in_code(&problem.return_type, &code.default_code),
|
|
||||||
)
|
|
||||||
.replace("__PROBLEM_ID__", &format!("{}", problem.question_id))
|
|
||||||
.replace("__EXTRA_USE__", &parse_extra_use(&code.default_code))
|
|
||||||
.replace("__PROBLEM_LINK__", &parse_problem_link(problem))
|
|
||||||
.replace("__DISCUSS_LINK__", &parse_discuss_link(problem));
|
|
||||||
|
|
||||||
let mut file = fs::OpenOptions::new()
|
let mut file = fs::OpenOptions::new()
|
||||||
.write(true)
|
.write(true)
|
||||||
.create(true)
|
.create(true)
|
||||||
.truncate(true)
|
.truncate(true)
|
||||||
.open(&file_path)
|
.open(&file_path)?;
|
||||||
.unwrap();
|
|
||||||
|
|
||||||
file.write_all(source.as_bytes()).unwrap();
|
file.write_all(file_content.as_bytes())?;
|
||||||
drop(file);
|
drop(file);
|
||||||
|
|
||||||
if write_mod_file {
|
let mut mod_file = fs::OpenOptions::new()
|
||||||
let mut lib_file = fs::OpenOptions::new()
|
.write(true)
|
||||||
.write(true)
|
.append(true)
|
||||||
.append(true)
|
.open("./src/problem/mod.rs")?;
|
||||||
.open("./src/problem/mod.rs")
|
|
||||||
.unwrap();
|
write!(mod_file, "\nmod {};", file_name)
|
||||||
writeln!(lib_file, "mod {};", file_name);
|
}
|
||||||
}
|
|
||||||
}
|
|
||||||
Loading…
Reference in New Issue
Block a user