🔥 refactor(core): remove list module
- Remove the `list.rs` file and its associated functionality - This change is part of a larger refactoring effort to streamline the core functionality.
This commit is contained in:
Jeremiah Russell
committed by
Jeremiah Russell
Jeremiah Russell
parent
1eff43dad0
commit
227d7b2111
205
src/list.rs
205
src/list.rs
@@ -1,205 +0,0 @@
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use google_gmail1::{
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Gmail,
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api::ListMessagesResponse,
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hyper_rustls::{HttpsConnector, HttpsConnectorBuilder},
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hyper_util::{
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client::legacy::{Client, connect::HttpConnector},
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rt::TokioExecutor,
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},
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yup_oauth2::{ApplicationSecret, InstalledFlowAuthenticator, InstalledFlowReturnMethod},
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};
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use crate::{Credential, Error};
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/// Default for the maximum number of results to return on a page
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pub const DEFAULT_MAX_RESULTS: &str = "10";
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/// Struct to capture configuration for List API call.
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pub struct List {
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hub: Gmail<HttpsConnector<HttpConnector>>,
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max_results: u32,
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label_ids: Vec<String>,
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query: String,
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}
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impl List {
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/// Create a new List struct and add the Gmail api connection.
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pub async fn new(credential: &str) -> Result<Self, Error> {
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let (config_dir, secret) = {
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let config_dir = crate::utils::assure_config_dir_exists("~/.cull-gmail")?;
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let secret: ApplicationSecret = Credential::load_json_file(credential).into();
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(config_dir, secret)
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};
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let executor = TokioExecutor::new();
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let connector = HttpsConnectorBuilder::new()
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.with_native_roots()
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.unwrap()
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.https_or_http()
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.enable_http1()
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.build();
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let client = Client::builder(executor.clone()).build(connector.clone());
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let auth = InstalledFlowAuthenticator::with_client(
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secret,
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InstalledFlowReturnMethod::HTTPRedirect,
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Client::builder(executor).build(connector),
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)
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.persist_tokens_to_disk(format!("{config_dir}/gmail1"))
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.build()
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.await
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.unwrap();
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Ok(List {
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hub: Gmail::new(client, auth),
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max_results: DEFAULT_MAX_RESULTS.parse::<u32>().unwrap(),
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label_ids: Vec::new(),
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query: String::new(),
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})
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}
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/// Set the maximum results
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pub fn set_max_results(&mut self, value: u32) {
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self.max_results = value;
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}
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/// Report the maximum results value
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pub fn max_results(&self) -> u32 {
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self.max_results
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}
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/// Add label to the labels collection
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pub fn add_labels(&mut self, label_ids: &[String]) {
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if !label_ids.is_empty() {
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for id in label_ids {
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self.label_ids.push(id.to_string())
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}
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}
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}
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/// Set the query string
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pub fn set_query(&mut self, query: &str) {
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self.query = query.to_string()
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}
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/// Run the Gmail api as configured
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pub async fn run(&self, pages: u32) -> Result<(), Error> {
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let log_estimate = |est: &Option<u32>| {
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if let Some(estimate) = est {
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log::debug!("Estimated {estimate} messages in total.");
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} else {
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log::debug!("Unknown number of messages found");
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}
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};
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let list = self.get_messages(None).await?;
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log_estimate(&list.result_size_estimate);
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self.log_message_subjects(&list).await?;
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match pages {
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1 => {}
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0 => {
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let mut list = list;
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let mut page = 1;
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loop {
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page += 1;
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log::debug!("Processing page #{page}");
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log_estimate(&list.result_size_estimate);
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if list.next_page_token.is_none() {
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break;
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}
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list = self.get_messages(list.next_page_token).await?;
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self.log_message_subjects(&list).await?;
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}
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}
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_ => {
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let mut list = list;
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for page in 2..=pages {
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log::debug!("Processing page #{page}");
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log_estimate(&list.result_size_estimate);
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if list.next_page_token.is_none() {
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break;
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}
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list = self.get_messages(list.next_page_token).await?;
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self.log_message_subjects(&list).await?;
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}
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}
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}
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Ok(())
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}
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async fn get_messages(
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&self,
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next_page_token: Option<String>,
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) -> Result<ListMessagesResponse, Error> {
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let mut call = self
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.hub
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.users()
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.messages_list("me")
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.max_results(self.max_results);
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// Add any labels specified
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if !self.label_ids.is_empty() {
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log::debug!("Setting labels for list: {:#?}", self.label_ids);
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for id in self.label_ids.as_slice() {
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call = call.add_label_ids(id);
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}
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}
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// Add query
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if !self.query.is_empty() {
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log::debug!("Setting query string `{}`", self.query);
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call = call.q(&self.query);
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}
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// Add a page token if it exists
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if let Some(page_token) = next_page_token {
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log::debug!("Setting token for next page.");
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call = call.page_token(&page_token);
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}
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let (_response, list) = call.doit().await.map_err(Box::new)?;
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Ok(list)
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}
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async fn log_message_subjects(&self, list: &ListMessagesResponse) -> Result<(), Error> {
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if let Some(messages) = &list.messages {
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for message in messages {
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if let Some(id) = &message.id {
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log::trace!("{id}");
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let (_res, m) = self
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.hub
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.users()
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.messages_get("me", id)
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.add_scope("https://www.googleapis.com/auth/gmail.metadata")
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.format("metadata")
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.add_metadata_headers("subject")
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.doit()
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.await
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.map_err(Box::new)?;
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let mut subject = String::new();
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if let Some(payload) = m.payload {
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if let Some(headers) = payload.headers {
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for header in headers {
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if header.name.is_some()
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&& header.name.unwrap() == "Subject"
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&& header.value.is_some()
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{
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subject = header.value.unwrap();
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break;
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} else {
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continue;
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}
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}
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}
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}
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log::info!("{subject:?}");
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}
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}
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}
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Ok(())
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}
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}
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