Browse Source

migrate from rustorm to diesel

master
Astro 3 years ago
parent
commit
bb547dc222
  1. 612
      Cargo.lock
  2. 3
      Cargo.toml
  3. 2
      default.nix
  4. 2
      schema.sql
  5. 2
      shell.nix
  6. 194
      src/main.rs
  7. 24
      src/model.rs
  8. 55
      src/schema.rs
  9. 63
      src/transaction.rs

612
Cargo.lock generated

@ -13,11 +13,6 @@ dependencies = [
"memchr 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "arrayref"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "arrayvec"
version = "0.4.11"
@ -51,24 +46,6 @@ dependencies = [
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "base64"
version = "0.6.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"safemem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "base64"
version = "0.9.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"safemem 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "base64"
version = "0.10.1"
@ -77,41 +54,11 @@ dependencies = [
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bigdecimal"
version = "0.0.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num-bigint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "bit-vec"
version = "0.4.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "bitflags"
version = "1.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "block-buffer"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
"byte-tools 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "byte-tools"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "byteorder"
version = "1.3.2"
@ -154,7 +101,6 @@ dependencies = [
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
"time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -166,11 +112,6 @@ dependencies = [
"bitflags 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "constant_time_eq"
version = "0.1.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "cookie"
version = "0.12.0"
@ -280,20 +221,25 @@ dependencies = [
]
[[package]]
name = "crypto-mac"
version = "0.5.2"
name = "diesel"
version = "1.4.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"constant_time_eq 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
"generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
"bitflags 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
"diesel_derives 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
"pq-sys 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "digest"
version = "0.7.6"
name = "diesel_derives"
version = "1.4.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"generic-array 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
"proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
"quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
"syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
@ -343,21 +289,6 @@ dependencies = [
"synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "fake-simd"
version = "0.1.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "fallible-iterator"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "fixedbitset"
version = "0.1.9"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "flate2"
version = "1.0.12"
@ -420,24 +351,6 @@ dependencies = [
"num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "generic-array"
version = "0.9.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"typenum 1.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "geo"
version = "0.4.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num-traits 0.1.43 (registry+https://github.com/rust-lang/crates.io-index)",
"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "getrandom"
version = "0.1.12"
@ -465,20 +378,6 @@ dependencies = [
"tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "hex"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "hmac"
version = "0.5.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"crypto-mac 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
"digest 0.7.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "http"
version = "0.1.18"
@ -594,11 +493,6 @@ dependencies = [
"winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "lazy_static"
version = "0.2.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lazy_static"
version = "1.4.0"
@ -614,14 +508,6 @@ name = "linked-hash-map"
version = "0.5.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "lock_api"
version = "0.2.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "lock_api"
version = "0.3.1"
@ -643,19 +529,6 @@ name = "matches"
version = "0.1.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "md5"
version = "0.3.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "memchr"
version = "1.0.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "memchr"
version = "2.2.1"
@ -669,15 +542,6 @@ dependencies = [
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "meval"
version = "0.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
"nom 1.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "mime"
version = "0.3.14"
@ -760,26 +624,6 @@ name = "nodrop"
version = "0.1.13"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "nom"
version = "1.2.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "nom"
version = "2.2.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "num-bigint"
version = "0.2.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
"num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-integer"
version = "0.1.41"
@ -789,14 +633,6 @@ dependencies = [
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-traits"
version = "0.1.43"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "num-traits"
version = "0.2.8"
@ -843,38 +679,6 @@ dependencies = [
"vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "ordermap"
version = "0.3.5"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "owning_ref"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "parking_lot"
version = "0.4.8"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "parking_lot"
version = "0.8.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"lock_api 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
"parking_lot_core 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "parking_lot"
version = "0.9.0"
@ -885,32 +689,6 @@ dependencies = [
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "parking_lot_core"
version = "0.2.14"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
"smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "parking_lot_core"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
"cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
"libc 0.2.62 (registry+https://github.com/rust-lang/crates.io-index)",
"rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
"redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
"rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
"smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "parking_lot_core"
version = "0.6.2"
@ -935,89 +713,24 @@ name = "percent-encoding"
version = "2.1.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "petgraph"
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[[package]]
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"phf_shared 0.7.24 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"siphasher 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "pkg-config"
version = "0.3.16"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
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"serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
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"vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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[[package]]
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@ -1046,11 +759,6 @@ dependencies = [
"url 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "quote"
version = "0.3.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "quote"
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@ -1067,47 +775,6 @@ dependencies = [
"proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "r2d2"
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"postgres-shared 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
name = "rand"
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dependencies = [
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[[package]]
name = "rand"
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source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
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"rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
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[[package]]
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@ -1317,10 +984,9 @@ version = "0.1.0"
dependencies = [
"chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
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"serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_yaml 0.8.11 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -1338,91 +1004,11 @@ dependencies = [
"semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "rustorm"
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"checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"

3
Cargo.toml

@ -8,8 +8,7 @@ edition = "2018"
[dependencies]
reqwest = "~0.9"
rustorm = { version = "~0.14", features = ["with-postgres"] }
rustorm_dao = "~0.4"
diesel = { version = "~1", features = ["postgres", "chrono"] }
chrono = "~0.4"
serde = { version = "~1.0", features = ["derive"] }
serde_yaml = "~0.8"

2
default.nix

@ -6,7 +6,7 @@ rustPlatform.buildRustPackage {
name = "ticker";
src = ./.;
buildInputs = [
pkg-config openssl
pkg-config openssl postgresql.lib
cargo rustc
];
cargoSha256 = "008404j5k9qgz5xcfg5d4q97lzhiqx5ljmi7jh1kmp9286669ix7";

2
schema.sql

@ -1,4 +1,4 @@
CREATE TABLE calendar (
CREATE TABLE calendars (
id TEXT PRIMARY KEY,
url TEXT NOT NULL,

2
shell.nix

@ -5,7 +5,7 @@ with pkgs;
stdenv.mkDerivation {
name = "env";
buildInputs = [
pkg-config openssl
pkg-config openssl postgresql.lib
cargo rustc
];

194
src/main.rs

@ -1,22 +1,24 @@
#[macro_use]
extern crate diesel;
use std::io::Read;
use std::fs::read_to_string;
use std::sync::{Mutex, RwLock};
use std::sync::RwLock;
use std::collections::VecDeque;
use rustorm::{pool::Pool, DbError};
use chrono::offset::Utc;
use reqwest::header::{IF_NONE_MATCH, IF_MODIFIED_SINCE, ETAG, LAST_MODIFIED, USER_AGENT};
use diesel::{Connection, pg::PgConnection, prelude::*};
mod config;
use config::{Config, CalendarOptions};
mod schema;
use schema::{new, Calendar, Event};
mod transaction;
use transaction::{Transaction, QuerySql};
use schema::{calendars::dsl::calendars, events};
mod model;
use model::{Calendar, NewCalendar};
mod ics;
use ics::Parser;
pub struct Resources {
db_pool: Mutex<Pool>,
db_url: String,
http_client: reqwest::Client,
queue: RwLock<VecDeque<(String, CalendarOptions)>>,
@ -24,17 +26,9 @@ pub struct Resources {
impl Resources {
pub fn new(db_url: String, queue: VecDeque<(String, CalendarOptions)>) -> Self {
let db_pool = Mutex::new(Pool::new());
let http_client = reqwest::Client::new();
let queue = RwLock::new(queue);
Resources { db_pool, db_url, http_client, queue }
}
fn transaction(&self) -> Result<Transaction, DbError> {
let em = self.db_pool.lock()
.unwrap()
.em(&self.db_url)?;
Transaction::new(em)
Resources { db_url, http_client, queue }
}
fn next(&self) -> Option<(String, CalendarOptions)> {
@ -43,94 +37,118 @@ impl Resources {
}
fn worker(&self) -> Result<(), Error> {
let (id, cal_opts) = match self.next() {
Some(next) => next,
None => return Ok(()),
};
let (etag, last_modified) = {
let tx = self.transaction()?;
let cal: Option<Calendar> =
tx.query("SELECT * FROM calendar WHERE id=$1", &[&id])?;
let result = match cal {
None => {
tx.insert(&[&new::Calendar {
id: id.clone(),
url: cal_opts.url.clone(),
last_fetch: Utc::now(),
}])?;
(None, None)
}
Some(cal) => {
tx.exec("UPDATE calendar SET last_fetch=$2 WHERE id=$1", &[&id, &Utc::now()])?;
(cal.etag, cal.last_modified)
}
};
tx.commit()?;
result
};
let mut req = self.http_client.get(&cal_opts.url)
.header(USER_AGENT, "Ticker/0.0.0");
match etag {
Some(etag) => req = req.header(IF_NONE_MATCH, etag),
None => (),
}
match last_modified {
Some(last_modified) => req = req.header(IF_MODIFIED_SINCE, last_modified),
None => (),
}
let mut res = req.send()?;
println!("{} {}", res.status(), cal_opts.url);
if res.status() != 200 {
let tx = self.transaction()?;
let msg = format!("HTTP {}", res.status());
tx.exec("UPDATE calendar SET last_success=$2, error_message=$3 WHERE id=$1", &[&id, &Utc::now(), &msg])?;
tx.commit()?;
return Ok(())
}
let etag = res.headers().get(ETAG)
.and_then(|v| v.to_str().ok());
let last_modified = res.headers().get(LAST_MODIFIED)
.and_then(|v| v.to_str().ok());
let tx = self.transaction()?;
tx.exec("UPDATE calendar SET last_success=$2, error_message=NULL, etag=$3, last_modified=$4 WHERE id=$1", &[&id, &Utc::now(), &etag, &last_modified])?;
let db = PgConnection::establish(&self.db_url)?;
let mut p = Parser::new();
let mut buf = [0; 1024];
loop {
match res.read(&mut buf)? {
len if len > 0 => {
let data = &buf[..len];
p.feed(data, |obj| {
println!("- [{}] {}", obj.get("DTSTART").unwrap_or("?"), obj.get("SUMMARY").unwrap_or("?"));
print!(" {}", obj.get("LOCATION").unwrap_or("?"));
obj.get("URL").map(|url| print!(" <{}>", url));
println!("");
});
let (id, cal_opts) = match self.next() {
Some(next) => next,
None => return Ok(()),
};
let (etag, last_modified) = db.transaction::<_, Error, _>(|| {
let cals = calendars
.filter(schema::calendars::dsl::id.eq(id.clone()))
.limit(1)
.load::<Calendar>(&db)?;
match cals.first() {
None => {
let cal = NewCalendar {
id: id.clone(),
url: cal_opts.url.clone(),
last_fetch: Some(Utc::now().naive_utc()),
};
diesel::insert_into(calendars)
.values(&cal)
.execute(&db)?;
Ok((None, None))
}
Some(cal) => {
diesel::update(calendars)
.filter(schema::calendars::dsl::id.eq(id.clone()))
.set(schema::calendars::dsl::last_fetch.eq(Utc::now().naive_utc()))
.execute(&db)?;
Ok((cal.etag.clone(), cal.last_modified.clone()))
}
}
_ => break,
})?;
let mut req = self.http_client.get(&cal_opts.url)
.header(USER_AGENT, "Ticker/0.0.0");
match etag {
Some(etag) => req = req.header(IF_NONE_MATCH, etag),
None => (),
}
match last_modified {
Some(last_modified) => req = req.header(IF_MODIFIED_SINCE, last_modified),
None => (),
}
let mut res = req.send()?;
println!("{} {}", res.status(), cal_opts.url);
if res.status() != 200 {
let msg = format!("HTTP {}", res.status());
diesel::update(calendars)
.filter(schema::calendars::dsl::id.eq(id.clone()))
.set((schema::calendars::dsl::last_success.eq(Utc::now().naive_utc()),
schema::calendars::dsl::error_message.eq(msg)))
.execute(&db)?;
return Ok(())
}
}
tx.commit()?;
let etag = res.headers().get(ETAG)
.and_then(|v| v.to_str().ok())
.map(|s| s.to_owned());
let last_modified = res.headers().get(LAST_MODIFIED)
.and_then(|v| v.to_str().ok())
.map(|s| s.to_owned());
db.transaction::<_, Error, _>(|| {
diesel::update(calendars)
.filter(schema::calendars::dsl::id.eq(id.clone()))
.set((schema::calendars::dsl::last_success.eq(Utc::now().naive_utc()),
schema::calendars::dsl::etag.eq(etag),
schema::calendars::dsl::last_modified.eq(last_modified)))
.execute(&db)?;
let mut p = Parser::new();
let mut buf = [0; 1024];
loop {
match res.read(&mut buf)? {
len if len > 0 => {
let data = &buf[..len];
p.feed(data, |obj| {
println!("- [{}] {}", obj.get("DTSTART").unwrap_or("?"), obj.get("SUMMARY").unwrap_or("?"));
print!(" {}", obj.get("LOCATION").unwrap_or("?"));
obj.get("URL").map(|url| print!(" <{}>", url));
println!("");
});
}
_ => break,
}
}
Ok(())
Ok(())
})?;
}
}
}
#[derive(Debug)]
pub enum Error {
Db(DbError),
DbConnection(diesel::ConnectionError),
Db(diesel::result::Error),
Http(reqwest::Error),
Io(std::io::Error),
}
impl From<DbError> for Error {
fn from(e: DbError) -> Self {
impl From<diesel::ConnectionError> for Error {
fn from(e: diesel::ConnectionError) -> Self {
Error::DbConnection(e)
}
}
impl From<diesel::result::Error> for Error {
fn from(e: diesel::result::Error) -> Self {
Error::Db(e)
}
}

24
src/model.rs

@ -0,0 +1,24 @@
use chrono::NaiveDateTime;
use super::schema::calendars;
#[derive(Queryable)]
pub struct Calendar {
pub id: String,
pub url: String,
pub last_fetch: Option<NaiveDateTime>,
pub last_success: Option<NaiveDateTime>,
pub error_message: Option<String>,
pub etag: Option<String>,
pub last_modified: Option<String>,
}
#[derive(Insertable)]
#[table_name = "calendars"]
pub struct NewCalendar {
pub id: String,
pub url: String,
pub last_fetch: Option<NaiveDateTime>,
}

55
src/schema.rs

@ -1,43 +1,26 @@
use rustorm::{ToTableName, ToColumnNames, FromDao};
use chrono::{DateTime, offset::Utc};
table! {
calendars {
id -> VarChar,
url -> VarChar,
#[derive(Debug, FromDao, ToColumnNames, ToTableName)]
pub struct SqlResult {
result: bool,
}
pub mod new {
use rustorm::{ToTableName, ToColumnNames, FromDao, ToDao};
use chrono::{DateTime, offset::Utc};
last_fetch -> Nullable<Timestamp>,
last_success -> Nullable<Timestamp>,
error_message -> Nullable<VarChar>,
#[derive(Debug, FromDao, ToDao, ToColumnNames, ToTableName)]
pub struct Calendar {
pub id: String,
pub url: String,
pub last_fetch: DateTime<Utc>,
etag -> Nullable<VarChar>,
last_modified -> Nullable<VarChar>,
}
}
#[derive(Debug, FromDao, ToColumnNames, ToTableName)]
pub struct Calendar {
pub id: String,
pub url: String,
table! {
events (calendar, id) {
calendar -> VarChar,
id -> VarChar,
pub last_fetch: Option<DateTime<Utc>>,
pub last_success: Option<DateTime<Utc>>,
pub error_message: Option<String>,
pub etag: Option<String>,
pub last_modified: Option<String>,
}
#[derive(Debug, FromDao, ToColumnNames, ToTableName)]
pub struct Event {
pub calendar: String,
pub start: DateTime<Utc>,
pub end: Option<DateTime<Utc>>,
pub summary: String,
pub location: String,
pub url: String,
start -> Timestamp,
end -> Nullable<Timestamp>,
summary -> VarChar,
location -> Nullable<VarChar>,
url -> Nullable<VarChar>,
}
}

63
src/transaction.rs

@ -1,63 +0,0 @@
use rustorm::{DbError, EntityManager, ToValue};
use rustorm::dao::{ToTableName, ToColumnNames, ToDao, FromDao};
use super::schema::SqlResult;
pub struct Transaction {
em: EntityManager,
committed: bool,
}
impl Transaction {
pub fn new(em: EntityManager) -> Result<Self, DbError> {
let tx = Transaction {
em,
committed: false,
};
tx.exec("BEGIN", &[])?;
Ok(tx)
}
pub fn commit(mut self) -> Result<(), DbError> {
self.exec("COMMIT", &[])?;
self.committed = true;
Ok(())
}
pub fn exec<'a>(&self, sql: &str, params: &[&'a dyn ToValue]) -> Result<(), DbError> {
let _: Option<SqlResult> = self.em.execute_sql_with_maybe_one_return(sql, params)?;
Ok(())
}
pub fn insert<T>(&self, entities: &[&T]) -> Result<()