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serde_json; +#[macro_use] +extern crate ledb; +// This allows define typed documents easy +#[macro_use] +extern crate ledb_derive; +extern crate ledb_types; +extern crate zip; + +use rand::seq::IteratorRandom; +use std::time::Instant; + +use std::{fs, io}; + +use ledb::{Options, Storage}; + +#[derive(Debug, Default, Clone, Deserialize)] +struct SourceQuestion { + #[serde(default)] + num: u32, + id: String, + + #[serde(alias = "Вопрос")] + description: String, + #[serde(alias = "Ответ")] + answer: String, + + #[serde(alias = "Автор")] + #[serde(default)] + author: String, + #[serde(alias = "Комментарий")] + #[serde(default)] + comment: String, + #[serde(alias = "Комментарии")] + #[serde(alias = "Инфо")] + #[serde(default)] + comment1: String, + #[serde(alias = "Тур")] + #[serde(default)] + tour: String, + #[serde(alias = "Ссылка")] + #[serde(alias = "URL")] + #[serde(default)] + url: String, + #[serde(alias = "Дата")] + #[serde(default)] + date: String, + #[serde(alias = "Обработан")] + #[serde(default)] + processed_by: String, + #[serde(alias = "Редактор")] + #[serde(default)] + redacted_by: String, + #[serde(alias = "Копирайт")] + #[serde(default)] + copyright: String, + #[serde(alias = "Тема")] + #[serde(default)] + theme: String, + #[serde(alias = "Вид")] + #[serde(alias = "Тип")] + #[serde(default)] + kind: String, + #[serde(alias = "Источник")] + #[serde(default)] + source: String, + #[serde(alias = "Рейтинг")] + #[serde(default)] + rating: String, +} + +#[derive(Debug, Default, Clone, Deserialize)] +struct SourceQuestionsBatch { + #[serde(default)] + filename: String, + #[serde(alias = "Пакет")] + #[serde(alias = "Чемпионат")] + description: String, + #[serde(alias = "Автор")] + #[serde(default)] + author: String, + #[serde(alias = "Комментарий")] + #[serde(alias = "Комментарии")] + #[serde(alias = "Инфо")] + #[serde(default)] + comment: String, + #[serde(alias = "Ссылка")] + #[serde(alias = "URL")] + #[serde(default)] + url: String, + #[serde(alias = "Дата")] + #[serde(default)] + date: String, + #[serde(alias = "Обработан")] + #[serde(default)] + processed_by: String, + #[serde(alias = "Редактор")] + #[serde(default)] + redacted_by: String, + #[serde(alias = "Копирайт")] + #[serde(default)] + copyright: String, + #[serde(alias = "Тема")] + #[serde(default)] + theme: String, + #[serde(alias = "Вид")] + #[serde(alias = "Тип")] + #[serde(default)] + kind: String, + #[serde(alias = "Источник")] + #[serde(default)] + source: String, + #[serde(alias = "Рейтинг")] + #[serde(default)] + rating: String, + #[serde(alias = "Вопросы")] + questions: Vec, +} + +#[derive(Debug, Default, Clone, Serialize, Deserialize, Document)] +struct BatchInfo { + #[document(primary)] + #[serde(default)] + filename: String, + #[serde(default)] + description: String, + #[serde(default)] + author: String, + #[serde(default)] + comment: String, + #[serde(default)] + url: String, + #[serde(default)] + date: String, + #[serde(default)] + processed_by: String, + #[serde(default)] + redacted_by: String, + #[serde(default)] + copyright: String, + #[serde(default)] + theme: String, + #[serde(default)] + kind: String, + #[serde(default)] + source: String, + #[serde(default)] + rating: String, +} + +#[derive(Debug, Default, Clone, Serialize, Deserialize, Document)] +struct Question { + #[document(primary)] + #[serde(default)] + num: u32, + #[document(index)] + id: String, + + description: String, + answer: String, + + #[serde(default)] + author: String, + #[serde(default)] + comment: String, + #[serde(default)] + comment1: String, + #[serde(default)] + tour: String, + #[serde(default)] + url: String, + #[serde(default)] + date: String, + #[serde(default)] + processed_by: String, + #[serde(default)] + redacted_by: String, + #[serde(default)] + copyright: String, + #[serde(default)] + theme: String, + #[serde(default)] + kind: String, + #[serde(default)] + source: String, + #[serde(default)] + rating: String, + #[document(nested)] + #[serde(default)] + batch_info: BatchInfo, +} + +impl From for Question { + fn from(src: SourceQuestion) -> Self { + Self { + num: src.num, + id: src.id, + description: src.description, + answer: src.answer, + author: src.author, + comment: src.comment, + comment1: src.comment1, + tour: src.tour, + url: src.url, + date: src.date, + processed_by: src.processed_by, + redacted_by: src.redacted_by, + copyright: src.copyright, + theme: src.theme, + kind: src.kind, + source: src.source, + rating: src.rating, + batch_info: BatchInfo::default(), + } + } +} + +impl From<&SourceQuestionsBatch> for BatchInfo { + fn from(src: &SourceQuestionsBatch) -> Self { + Self { + filename: src.filename.clone(), + description: src.description.clone(), + author: src.author.clone(), + comment: src.comment.clone(), + url: src.url.clone(), + date: src.date.clone(), + processed_by: src.processed_by.clone(), + redacted_by: src.redacted_by.clone(), + copyright: src.copyright.clone(), + theme: src.theme.clone(), + kind: src.kind.clone(), + source: src.source.clone(), + rating: src.rating.clone(), + } + } +} + +impl Into> for SourceQuestionsBatch { + fn into(self) -> Vec { + let mut result = Vec::::with_capacity(self.questions.len()); + self.questions.iter().for_each(|item| { + let mut question: Question = item.clone().into(); + question.batch_info = BatchInfo::from(&self); + result.push(question); + }); + + result + } +} + +// measure and return time elapsed in `func` in seconds +pub fn measure(func: F) -> f64 { + let start = Instant::now(); + func(); + let elapsed = start.elapsed(); + (elapsed.as_secs() as f64) + (elapsed.subsec_nanos() as f64 / 1000_000_000.0) +} + +pub fn measure_and_print(func: F) { + let m = measure(func); + eprintln!("{}", m); +} + +fn writer_v4() { + let zip_file = fs::File::open("test1.zip").unwrap(); + let zip_reader = io::BufReader::new(zip_file); + let mut archive = zip::ZipArchive::new(zip_reader).unwrap(); + + let options: Options = serde_json::from_value(json!({ + "map_size": 900 * 1024 * 1024, // 900mb + "write_map": true, + "map_async": true, + "no_lock": true, + "no_meta_sync": true, + "no_sync": true, + })) + .unwrap(); + + let storage = Storage::new("db", options).unwrap(); + let collection = storage.collection("questions").unwrap(); + + query!(index for collection + num int, + batch_info.filename str, + ) + .unwrap(); + let mut count: usize = 0; + let count = &mut count; + (0..archive.len()) + .map(|i| { + let file = archive.by_index(i).unwrap(); + let name = file.mangled_name(); + let name_str = name.to_str().unwrap(); + + let data: Result = serde_json::from_reader(file); + + (String::from(name_str), data) + }) + .filter(|(_, data)| data.is_ok()) + .map(|(filename, data)| { + let mut data = data.unwrap(); + data.filename = filename.clone(); + let questions: Vec = data.into(); + questions + }) + .flatten() + .for_each(|question| { + let result = collection.insert(&question); + if result.is_err() { + println!( + "Error: {:?} \n\ + On: {:?}", + result, question + ); + } else { + *count += 1; + } + }); + + println!("inserted {}", count); +} + +fn print_question(q: Question) { + println!("{:?}", q) +} + +fn reader_v1() -> Option { + let zip_file = fs::File::open("test1.zip").unwrap(); + let zip_reader = io::BufReader::new(zip_file); + let mut archive = zip::ZipArchive::new(zip_reader).unwrap(); + + let mut rng = rand::thread_rng(); + let file_n = (0..archive.len()).choose(&mut rng).unwrap(); + let file = archive.by_index(file_n).unwrap(); + let data: Result = serde_json::from_reader(file); + let data = data.unwrap(); + let questions: Vec = data.into(); + + let ret = questions.iter().choose(&mut rng); + + if let Some(question) = ret { + Some(question.clone()) + } else { + None + } +} + +fn compact_db() { + let options: Options = serde_json::from_value(json!({ + "write_map": true, + "map_async": true, + "no_lock": true, + "no_meta_sync": true, + "no_sync": true, + })) + .unwrap(); + + let storage = Storage::new("db", options).unwrap(); + //let collection = storage.collection("questions").unwrap(); + + //query!(index for collection + // num int, + // batch_info.filename str, + //) + //.unwrap(); +} + +fn reader_v4() -> Option { + let options: Options = serde_json::from_value(json!({ + "read_only": true, + // "map_async": true, + "no_lock": true, + // "no_meta_sync": true, + // "no_sync": true, + // "no_tls": true + })) + .unwrap(); + + let storage = Storage::new("db", options).unwrap(); + let collection = storage.collection("questions").unwrap(); + let mut rng = rand::thread_rng(); + let last_id = collection.last_id().unwrap(); + let id = (1..(last_id + 1)).choose(&mut rng).unwrap(); + //let id = ledb::KeyData::Int(id as i64); + + collection.get::(id).unwrap() +} + +fn main() { + //println!("-- v1: "); + //measure_and_print(|| print_question(reader_v1().unwrap())); + //println!(" --- "); + //println!("-- v4: "); + //measure_and_print(|| print_question(reader_v4().unwrap())); + //println!(" --- "); + measure_and_print(writer_v4); + //measure_and_print(compact_db); + //measure_and_print(|| print_question(reader_v4().unwrap())); +} + +/* + +#[cfg(test)] +mod tests { + use super::*; + use test::Bencher; + + #[test] + fn reader_v1_works() { + reader_v1().unwrap(); + } + fn reader_v4_works() { + reader_v4().unwrap(); + } + + #[bench] + fn bench_reader_v1(b: &mut Bencher) { + b.iter(|| reader_v1()); + } + + #[bench] + fn bench_reader_v4(b: &mut Bencher) { + b.iter(|| reader_v4()); + } +} +*/