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extern crate reqwest;
extern crate serde_json;
extern crate cursive;
use serde_json::Value;
use reqwest::Response;
pub fn query_url_gen(title: &str) -> String {
title.replace(" ", "%20");
// query config
let mut url = String::from("https://en.wikipedia.org");
url.push_str("w/api.php?");
url.push_str("action=query&");
url.push_str("format=json&");
url.push_str("prop=extracts&");
url.push_str("titles=");
url.push_str(title);
url.push_str("&");
url.push_str("explaintext=1");
url
}
pub fn search_url_gen(search: &str) -> String {
// /w/api.php?action=opensearch&format=json&search=dota%202&limit=5;
search.replace(" ", "%20");
let mut url = String::from("https://en.wikipedia.org");
url.push_str("w/api.php?");
url.push_str("action=opensearch&");
url.push_str("format=json&");
url.push_str("search=");
url.push_str(search);
url.push_str("&");
url.push_str("limit=5");
url
}
pub fn get_extract(title: &str, mut res: reqwest::Response) -> String {
let mut v: Value = serde_json::from_str(&res.text().unwrap()).unwrap();
// Fetch page and pageids of requested title(s)
let pageid = &v["query"]["pageids"][0];
let pageid_str = match pageid {
Value::String(id) => id,
_ => panic!("wut"),
};
if pageid_str == "-1" {
String::from("No such page")
} else {
format!("{}", &v["query"]["pages"][pageid_str]["extract"])
}
}
pub fn get_title(title: &str, mut res: Response) -> String {
let mut v: Value = serde_json::from_str(&res.text().unwrap())
.unwrap_or_else( |e| {
panic!("Recieved error {:?}", e);
} );
format!("{}", &v["query"]["normalized"][0]["to"])
}
pub fn get_search_results(search: &str) -> Vec<String> {
let url = search_url_gen(search);
let res = reqwest::get(&url[..]);
match res {
Ok(mut res) => {
if res.status().is_success() {
let mut v: Value = serde_json::from_str(&res.text().unwrap())
.unwrap_or_else( |e| {
panic!("Recieved error {:?}", e);
} );
let mut results: Vec<String> = vec![];
for item in v[1].as_array().unwrap() {
match item {
Value::String(x) => results.push(x.to_string()),
_ => (),
}
}
results
} else {
panic!("Encountered Error {}", res.status());
}
},
_ => {
panic!("Unable to parse url");
}
}
}
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