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@ -4,6 +4,10 @@ use log::{debug, trace}; |
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use reqwest::blocking::Client;
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use reqwest::header::{ACCEPT, CONTENT_TYPE, USER_AGENT};
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use serde::{Deserialize, Serialize};
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use std::fs::File;
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use std::io::{BufWriter, Write};
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use std::path::PathBuf;
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use crate::errors::*;
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@ -30,6 +34,7 @@ pub struct Template { |
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pub type_field: String,
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#[serde(rename = "_links")]
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pub links: Links,
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pub content: Option<String>,
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}
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/// Part of github api response
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@ -56,6 +61,59 @@ impl Template { |
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}
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self.name.as_str()
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}
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/// Loads the template content from github
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pub fn load_content(&mut self) -> Result<()> {
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let url = self
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.download_url
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.as_ref()
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.ok_or_else(|| ErrorKind::TemplateNoDownloadUrl(self.pretty_name().into()))?;
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debug!("Loading template content for {} from {}", self.pretty_name(), url);
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let client = Client::new();
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let res = client
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.get(url)
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.header(ACCEPT, "text/html")
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.header(USER_AGENT, format!("{} {}", DEFAULT_USER_AGENT, env!("CARGO_PKG_VERSION")))
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.send()
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.chain_err(|| {
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format!("Error while getting content of template {}", self.pretty_name())
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})?;
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debug!(
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"Got a response from the server ({} B)",
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res.content_length().map_or_else(|| "?".to_string(), |v| v.to_string())
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);
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let body: String =
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res.text().chain_err(|| "Error while parsing body from template response")?;
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self.content = Some(body);
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debug!("Set content for template {}", self.pretty_name());
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Ok(())
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}
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/// Writes the content of this template to the given path
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///
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/// Creates the file if it does not exist or trunceates an already existing one.
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///
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/// # Errors
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///
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/// Returns `ErrorKind::TemplateNoContent` if this templates has no content (i.e.
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/// `load_content` has not yet been called.
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/// Other reasons for `Err` can be io related errors.
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#[allow(clippy::option_expect_used)]
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pub fn write_to(&self, path: &PathBuf) -> Result<()> {
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debug!("Writing contents of {} to {}", self.pretty_name(), path.to_string_lossy());
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if self.content.is_none() {
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return Err(ErrorKind::TemplateNoContent.into());
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}
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let file = File::create(path)?;
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let mut writer = BufWriter::new(file);
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writer.write_all(self.content.as_ref().expect("checked before to be some").as_bytes())?;
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trace!("Wrote all content");
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Ok(())
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}
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}
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/// This struct holds the information about the templates available at github
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@ -97,9 +155,9 @@ impl GithubTemplates { |
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}
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/// Returns the template for the given name, if found
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pub fn get(&self, name: &str) -> Option<&Template> {
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pub fn get(&mut self, name: &str) -> Option<&mut Template> {
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// names have all a .gitignore suffix
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let name = format!("{}.gitignore", name);
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self.templates.iter().find(|t| t.name.eq_ignore_ascii_case(&name))
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self.templates.iter_mut().find(|t| t.name.eq_ignore_ascii_case(&name))
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}
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}
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