Add better error messages

src/datasets.rs

@@ -72,7 +72,7 @@ pub fn new_dataset(connection: &Connection, dataset: &str) -> sqlite::Result<()>
     connection.execute(query)
 }
 
-pub fn get_last_sync(connection: &Connection, dataset: &str) -> sqlite::Result<Option<u64>> {
+pub fn get_last_sync(connection: &Connection, dataset: &str) -> sqlite::Result<Option<Timestamp>> {
     let query = "SELECT last_sync FROM datasets WHERE name = ?";
 
     Ok(connection
@@ -81,7 +81,8 @@ pub fn get_last_sync(connection: &Connection, dataset: &str) -> sqlite::Result<O
         .bind((1, dataset))?
         .map(|x| x.map(|r| r.read::<i64, _>("last_sync").to_owned() as u64))
         .next()
-        .and_then(Result::ok))
+        .and_then(Result::ok)
+        .map(Timestamp))
 }
 
 pub fn update_last_sync(connection: &Connection, dataset: &str, sync: u64) -> sqlite::Result<()> {

src/main.rs

@@ -3,6 +3,7 @@
 use clap::{Parser, Subcommand};
 use std::io::{self, Write};
 use std::path::PathBuf;
+use std::process::exit;
 use std::time::SystemTime;
 
 mod queries;
@@ -12,6 +13,11 @@ use datasets::*;
 mod sync;
 use sync::*;
 
+pub fn error(msg: &str, code: i32) -> ! {
+    println!("\nERROR: {}", msg);
+    exit(code)
+}
+
 /// ## CLI Structs
 
 #[derive(Parser)]
@@ -104,65 +110,91 @@ fn main() {
 }
 
 fn dataset_list() {
-    let config_dir = dirs::config_dir().unwrap();
+    let config_dir = dirs::config_dir().expect("Could not determine config directory");
 
-    let connection = open_datasets(&config_dir).unwrap();
+    let connection =
-    let datasets = list_datasets(&connection).unwrap();
+        open_datasets(&config_dir).unwrap_or_else(|_| error("Could not open datasets file", 1));
+    let datasets = list_datasets(&connection).expect("Error communicating with SQLite");
 
     println!("{:?}", datasets);
 }
 
-fn dataset_new(name: Option<String>) {
+fn read_string() -> String {
-    let config_dir = dirs::config_dir().unwrap();
-
-    let name = name.unwrap_or_else(|| {
     let mut line = String::new();
-        print!("Name of new dataset: ");
     io::stdout().flush().expect("Could not access stdout");
     io::stdin()
         .read_line(&mut line)
         .expect("Could not read from stdin");
     line.trim().to_owned()
+}
+
+fn dataset_new(name: Option<String>) {
+    let config_dir = dirs::config_dir().expect("Could not determine config directory");
+
+    let name = name.unwrap_or_else(|| {
+        print!("Name of new dataset: ");
+        read_string()
     });
 
-    let connection = open_datasets(&config_dir).unwrap();
+    let connection =
-    new_dataset(&connection, &name).unwrap();
+        open_datasets(&config_dir).unwrap_or_else(|_| error("Could not open datasets file", 1));
+    new_dataset(&connection, &name).expect("Error communicating with SQLite");
 }
 
 fn dataset_delete(name: Option<String>) {
-    let config_dir = dirs::config_dir().unwrap();
+    let config_dir = dirs::config_dir().expect("Could not determine config directory");
 
     let name = name.unwrap_or_else(|| {
-        let mut line = String::new();
         print!("Dataset to delete: ");
-        io::stdout().flush().expect("Could not access stdout");
+        read_string()
-        io::stdin()
-            .read_line(&mut line)
-            .expect("Could not read from stdin");
-        line.trim().to_owned()
     });
 
-    let connection = open_datasets(&config_dir).unwrap();
+    let connection =
-    delete_dataset(&connection, &name).unwrap();
+        open_datasets(&config_dir).unwrap_or_else(|_| error("Could not open datasets file", 1));
+    delete_dataset(&connection, &name).expect("Error communicating with SQLite");
 }
 
 fn sync(datasets: Vec<String>, all: bool, auth_token: Option<String>) {
     let config_dir = dirs::config_dir().unwrap();
 
-    let auth = auth_token.or_else(|| get_auth_token(&config_dir)).unwrap();
+    let auth = auth_token
+        .or_else(|| get_auth_token(&config_dir))
+        .unwrap_or_else(|| error("Access token not provided", 1));
 
-    let connection = open_datasets(&config_dir).unwrap();
+    let connection =
+        open_datasets(&config_dir).unwrap_or_else(|_| error("Could not open datasets file", 1));
 
+    #[allow(unused_must_use)]
     let datasets = if all {
         list_datasets(&connection).unwrap()
     } else if datasets.len() == 0 {
-        new_dataset(&connection, "default").unwrap();
+        new_dataset(&connection, "default");
         vec![String::from("default")]
     } else {
         datasets
     };
 
     for dataset in datasets {
-        let last_sync = get_last_sync(&connection, &dataset).unwrap().unwrap();
+        let last_sync = get_last_sync(&connection, &dataset)
+            .expect("Error communicating with SQLite")
+            .unwrap_or_else(|| error(&format!("Dataset {} does not exist!", dataset), 1));
+
+        sync_dataset(
+            &connection,
+            &dataset,
+            last_sync,
+            VideogameId(1386),
+            Some("GA"),
+            &auth,
+        )
+        .expect("Error communicating with SQLite");
+
+        let current_time = SystemTime::now()
+            .duration_since(SystemTime::UNIX_EPOCH)
+            .unwrap_or_else(|_| error("System time is before the Unix epoch!", 2))
+            .as_secs();
+
+        update_last_sync(&connection, &dataset, current_time)
+            .expect("Error communicating with SQLite");
     }
 }

src/queries.rs

@@ -2,6 +2,8 @@ use cynic::{GraphQlResponse, QueryBuilder};
 use serde::{Deserialize, Serialize};
 use std::fmt::Debug;
 use std::path::Path;
+use std::thread::sleep;
+use std::time::Duration;
 
 pub mod search_games;
 pub use search_games::*;
@@ -61,7 +63,7 @@ pub struct EntrantId(pub u64);
 #[cynic(graphql_type = "ID")]
 pub struct PlayerId(pub u64);
 
-#[derive(cynic::Scalar, Debug, Clone)]
+#[derive(cynic::Scalar, Debug, Copy, Clone)]
 pub struct Timestamp(pub u64);
 
 // Query machinery
@@ -75,19 +77,28 @@ pub trait QueryUnwrap<Vars>: 'static + QueryBuilder<Vars> {
 // Generic function for running start.gg queries
 pub fn run_query<Builder, Vars>(vars: Vars, auth_token: &str) -> Option<Builder::Unwrapped>
 where
-    Builder: Debug,
+    Vars: Clone,
     Builder: QueryUnwrap<Vars>,
     Vars: Serialize,
     for<'de> Builder: Deserialize<'de>,
 {
     use cynic::http::ReqwestBlockingExt;
 
-    let query = Builder::build(vars);
+    let mut response = reqwest::blocking::Client::new()
-
-    let response = reqwest::blocking::Client::new()
         .post("https://api.start.gg/gql/alpha")
         .header("Authorization", String::from("Bearer ") + auth_token)
-        .run_graphql(query);
+        .run_graphql(Builder::build(vars.clone()));
 
-    Builder::unwrap_response(response.unwrap())
+    for _ in 1..10 {
+        sleep(Duration::from_secs(2));
+        response = reqwest::blocking::Client::new()
+            .post("https://api.start.gg/gql/alpha")
+            .header("Authorization", String::from("Bearer ") + auth_token)
+            .run_graphql(Builder::build(vars.clone()));
+        if response.is_ok() {
+            break;
+        }
+    }
+
+    Builder::unwrap_response(response.ok()?)
 }

src/queries/event_sets.rs

@@ -6,10 +6,10 @@ pub type Teams<T> = Vec<Vec<T>>;
 
 // Variables
 
-#[derive(cynic::QueryVariables, Debug)]
+#[derive(cynic::QueryVariables, Debug, Clone)]
 pub struct EventSetsVars {
     pub event: EventId,
-    pub sets_page: i32,
+    pub page: i32,
 }
 
 // Query
@@ -24,16 +24,22 @@ pub struct EventSets {
 #[derive(cynic::QueryFragment, Debug)]
 #[cynic(variables = "EventSetsVars")]
 struct Event {
-    #[arguments(page: $sets_page, perPage: 11)]
+    #[arguments(page: $page, perPage: 50)]
     sets: Option<SetConnection>,
 }
 
 #[derive(cynic::QueryFragment, Debug)]
 struct SetConnection {
+    page_info: Option<PageInfo>,
     #[cynic(flatten)]
     nodes: Vec<Set>,
 }
 
+#[derive(cynic::QueryFragment, Debug)]
+struct PageInfo {
+    total_pages: Option<i32>,
+}
+
 #[derive(cynic::QueryFragment, Debug)]
 struct Set {
     #[arguments(includeByes: true)]
@@ -68,21 +74,24 @@ struct Player {
 
 // Unwrap
 
+pub struct EventSetsResponse {
+    pub pages: u64,
+    pub sets: Vec<SetData>,
+}
+
 pub struct SetData {
-    teams: Teams<PlayerData>,
+    pub teams: Teams<PlayerData>,
-    winner: usize,
+    pub winner: usize,
 }
 
 impl QueryUnwrap<EventSetsVars> for EventSets {
-    type Unwrapped = Vec<SetData>;
+    type Unwrapped = EventSetsResponse;
 
     // This might be the most spaghetti code I've ever written
-    fn unwrap_response(response: GraphQlResponse<EventSets>) -> Option<Vec<SetData>> {
+    fn unwrap_response(response: GraphQlResponse<EventSets>) -> Option<EventSetsResponse> {
-        Some(
+        let response_sets = response.data?.event?.sets?;
-            response
+
-                .data?
+        let sets = response_sets
-                .event?
-                .sets?
             .nodes
             .into_iter()
             .filter_map(|set| {
@@ -114,7 +123,11 @@ impl QueryUnwrap<EventSetsVars> for EventSets {
                     .try_collect()?;
                 Some(SetData { teams, winner })
             })
-                .collect::<Vec<_>>(),
+            .collect::<Vec<_>>();
-        )
+
+        Some(EventSetsResponse {
+            pages: response_sets.page_info?.total_pages? as u64,
+            sets,
+        })
     }
 }

src/queries/player_info.rs

@@ -4,7 +4,7 @@ use schema::schema;
 
 // Variables
 
-#[derive(cynic::QueryVariables, Debug)]
+#[derive(cynic::QueryVariables, Debug, Clone)]
 pub struct PlayerInfoVars {
     pub id: PlayerId,
 }

src/queries/search_games.rs

@@ -4,7 +4,7 @@ use schema::schema;
 
 // Variables
 
-#[derive(cynic::QueryVariables)]
+#[derive(cynic::QueryVariables, Clone)]
 pub struct VideogameSearchVars<'a> {
     pub name: &'a str,
 }

src/queries/tournament_events.rs

@@ -5,14 +5,16 @@ use schema::schema;
 
 // Variables
 
-#[derive(cynic::QueryVariables, Debug)]
+#[derive(cynic::QueryVariables, Debug, Clone)]
-pub struct TournamentEventsVars {
+pub struct TournamentEventsVars<'a> {
     // HACK: This should really be an optional variable, but there seems to be a
     // server-side bug that completely breaks everything when this isn't passed.
     // We can use a dummy value of 1 when we don't want to filter by time.
-    pub last_query: Timestamp,
+    pub last_sync: Timestamp,
     pub game_id: VideogameId,
     pub page: i32,
+
+    pub state: Option<&'a str>,
 }
 
 // Query
@@ -22,12 +24,13 @@ pub struct TournamentEventsVars {
 pub struct TournamentEvents {
     #[arguments(query: {
         page: $page,
-        perPage: 300,
+        perPage: 250,
         sortBy: "endAt asc",
         filter: {
             past: true,
-            afterDate: $last_query,
+            afterDate: $last_sync,
             videogameIds: [$game_id],
+            addrState: $state
         }})]
     tournaments: Option<TournamentConnection>,
 }
@@ -35,10 +38,16 @@ pub struct TournamentEvents {
 #[derive(cynic::QueryFragment, Debug)]
 #[cynic(variables = "TournamentEventsVars")]
 struct TournamentConnection {
+    page_info: Option<PageInfo>,
     #[cynic(flatten)]
     nodes: Vec<Tournament>,
 }
 
+#[derive(cynic::QueryFragment, Debug)]
+struct PageInfo {
+    total_pages: Option<i32>,
+}
+
 #[derive(cynic::QueryFragment, Debug)]
 #[cynic(variables = "TournamentEventsVars")]
 struct Tournament {
@@ -56,20 +65,27 @@ struct Event {
 
 // Unwrap
 
+#[derive(Debug, Clone)]
+pub struct TournamentEventResponse {
+    pub pages: i32,
+    pub tournaments: Vec<TournamentData>,
+}
+
 #[derive(Debug, Clone)]
 pub struct TournamentData {
     pub name: String,
     pub events: Vec<EventId>,
 }
 
-impl QueryUnwrap<TournamentEventsVars> for TournamentEvents {
+impl<'a> QueryUnwrap<TournamentEventsVars<'a>> for TournamentEvents {
-    type Unwrapped = Vec<TournamentData>;
+    type Unwrapped = TournamentEventResponse;
 
-    fn unwrap_response(response: GraphQlResponse<TournamentEvents>) -> Option<Vec<TournamentData>> {
+    fn unwrap_response(
-        Some(
+        response: GraphQlResponse<TournamentEvents>,
-            response
+    ) -> Option<TournamentEventResponse> {
-                .data?
+        let response_tournaments = response.data?.tournaments?;
-                .tournaments?
+
+        let tournaments = response_tournaments
             .nodes
             .into_iter()
             .filter_map(|tour| {
@@ -82,7 +98,11 @@ impl QueryUnwrap<TournamentEventsVars> for TournamentEvents {
                         .collect(),
                 })
             })
-                .collect(),
+            .collect::<Vec<_>>();
-        )
+
+        Some(TournamentEventResponse {
+            pages: response_tournaments.page_info?.total_pages?,
+            tournaments,
+        })
     }
 }

src/sync.rs

@@ -1,4 +1,8 @@
+use std::thread::sleep;
+use std::time::Duration;
+
 use crate::datasets::*;
+use crate::error;
 use crate::queries::*;
 use sqlite::*;
 
@@ -33,13 +37,105 @@ fn adjust_ratings(ratings: Teams<&mut f64>, winner: usize) {
 // Extract set data
 
 fn get_event_sets(event: EventId, auth: &str) -> Option<Vec<SetData>> {
-    let sets = run_query::<EventSets, _>(EventSetsVars {
+    sleep(Duration::from_millis(700));
+
+    let sets_response = run_query::<EventSets, _>(EventSetsVars { event, page: 1 }, auth)?;
+
+    let pages = sets_response.pages;
+    if pages == 0 {
+        Some(vec![])
+    } else if pages == 1 {
+        Some(sets_response.sets)
+    } else {
+        println!("  (Page 1)");
+
+        let mut sets = sets_response.sets;
+
+        for page in 2..=pages {
+            println!("  (Page {})", page);
+
+            let next_response = run_query::<EventSets, _>(
+                EventSetsVars {
                     event,
-        sets_page: 1,
+                    page: page as i32,
-    });
+                },
+                auth,
+            )?;
+
+            sleep(Duration::from_millis(700));
+
+            sets.extend(next_response.sets);
+        }
+
+        Some(sets)
+    }
 }
 
-/*
+fn get_tournament_events(
+    last_sync: Timestamp,
+    game_id: VideogameId,
+    state: Option<&str>,
+    auth: &str,
+) -> Option<Vec<EventId>> {
+    println!("Accessing tournaments...");
+
+    let tour_response = run_query::<TournamentEvents, _>(
+        TournamentEventsVars {
+            last_sync,
+            game_id,
+            state,
+            page: 1,
+        },
+        auth,
+    )?;
+
+    let pages = tour_response.pages;
+    if pages == 0 {
+        Some(vec![])
+    } else if pages == 1 {
+        Some(
+            tour_response
+                .tournaments
+                .into_iter()
+                .flat_map(|tour| tour.events)
+                .collect::<Vec<_>>(),
+        )
+    } else {
+        println!("  (Page 1)");
+
+        let mut tournaments = tour_response
+            .tournaments
+            .into_iter()
+            .flat_map(|tour| tour.events)
+            .collect::<Vec<_>>();
+
+        for page in 2..=pages {
+            println!("  (Page {})", page);
+
+            let next_response = run_query::<TournamentEvents, _>(
+                TournamentEventsVars {
+                    last_sync,
+                    game_id,
+                    state,
+                    page,
+                },
+                auth,
+            )?;
+
+            tournaments.extend(
+                next_response
+                    .tournaments
+                    .into_iter()
+                    .flat_map(|tour| tour.events),
+            );
+        }
+
+        Some(tournaments)
+    }
+}
+
+// Dataset syncing
+
 fn update_from_set(connection: &Connection, dataset: &str, results: SetData) -> sqlite::Result<()> {
     let players_data = results.teams;
     add_players(connection, dataset, &players_data)?;
@@ -54,14 +150,33 @@ fn update_from_set(connection: &Connection, dataset: &str, results: SetData) ->
     update_ratings(connection, dataset, elos)
 }
 
-pub fn update_from_tournament(
+pub fn sync_dataset(
     connection: &Connection,
     dataset: &str,
-    results: TournamentData,
+    last_sync: Timestamp,
+    game_id: VideogameId,
+    state: Option<&str>,
+    auth: &str,
 ) -> sqlite::Result<()> {
-    results
+    let events = get_tournament_events(last_sync, game_id, state, auth)
-        .sets
+        .unwrap_or_else(|| error("Could not access start.gg", 1));
-        .into_iter()
+
-        .try_for_each(|set| update_from_set(connection, dataset, set))
+    connection.execute("BEGIN;")?;
+
+    let num_events = events.len();
+    for (i, event) in events.into_iter().enumerate() {
+        println!(
+            "Accessing sets from event ID {}... ({}/{})",
+            event.0, i, num_events
+        );
+
+        let sets =
+            get_event_sets(event, auth).unwrap_or_else(|| error("Could not access start.gg", 1));
+
+        println!("  Updating ratings from event...");
+
+        sets.into_iter()
+            .try_for_each(|set| update_from_set(connection, dataset, set))?;
+    }
+    connection.execute("COMMIT;")
 }
-*/