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|
use data_encoding::BASE32_NOPAD;
use database_models::*;
use database_schema::*;
use fatcat_api::models::*;
use diesel;
use diesel::prelude::*;
use errors::*;
use regex::Regex;
use std::str::FromStr;
use uuid::Uuid;
use api_entity_crud::EntityCrud;
pub type DbConn =
diesel::r2d2::PooledConnection<diesel::r2d2::ConnectionManager<diesel::PgConnection>>;
/// This function should always be run within a transaction
pub fn get_or_create_editgroup(editor_id: Uuid, conn: &DbConn) -> Result<Uuid> {
// check for current active
let ed_row: EditorRow = editor::table.find(editor_id).first(conn)?;
if let Some(current) = ed_row.active_editgroup_id {
return Ok(current);
}
// need to insert and update
let eg_row: EditgroupRow = diesel::insert_into(editgroup::table)
.values((editgroup::editor_id.eq(ed_row.id),))
.get_result(conn)?;
diesel::update(editor::table.find(ed_row.id))
.set(editor::active_editgroup_id.eq(eg_row.id))
.execute(conn)?;
Ok(eg_row.id)
}
/// This function should always be run within a transaction
pub fn accept_editgroup(editgroup_id: Uuid, conn: &DbConn) -> Result<ChangelogRow> {
// check that we haven't accepted already (in changelog)
// NB: could leave this to a UNIQUE constraint
let count: i64 = changelog::table
.filter(changelog::editgroup_id.eq(editgroup_id))
.count()
.get_result(conn)?;
if count > 0 {
return Err(ErrorKind::EditgroupAlreadyAccepted(uuid2fcid(&editgroup_id)).into());
}
// copy edit columns to ident table
let eg_id = FatCatId::from_uuid(&editgroup_id);
ContainerEntity::db_accept_edits(conn, eg_id)?;
CreatorEntity::db_accept_edits(conn, eg_id)?;
FileEntity::db_accept_edits(conn, eg_id)?;
ReleaseEntity::db_accept_edits(conn, eg_id)?;
WorkEntity::db_accept_edits(conn, eg_id)?;
// append log/changelog row
let entry: ChangelogRow = diesel::insert_into(changelog::table)
.values((changelog::editgroup_id.eq(editgroup_id),))
.get_result(conn)?;
// update any editor's active editgroup
let no_active: Option<Uuid> = None;
diesel::update(editor::table)
.filter(editor::active_editgroup_id.eq(editgroup_id))
.set(editor::active_editgroup_id.eq(no_active))
.execute(conn)?;
Ok(entry)
}
#[derive(Clone, Copy)]
pub struct FatCatId(Uuid);
impl ToString for FatCatId {
fn to_string(&self) -> String {
uuid2fcid(&self.to_uuid())
}
}
impl FromStr for FatCatId {
type Err = Error;
fn from_str(s: &str) -> Result<FatCatId> {
fcid2uuid(s).map(|u| FatCatId(u))
}
}
impl FatCatId {
pub fn to_uuid(&self) -> Uuid {
self.0
}
pub fn from_uuid(u: &Uuid) -> FatCatId {
FatCatId(u.clone())
}
}
/// Convert fatcat IDs (base32 strings) to UUID
pub fn fcid2uuid(fcid: &str) -> Result<Uuid> {
if fcid.len() != 26 {
return Err(ErrorKind::InvalidFatcatId(fcid.to_string()).into());
}
let mut raw = vec![0; 16];
BASE32_NOPAD
.decode_mut(fcid.to_uppercase().as_bytes(), &mut raw)
.map_err(|_dp| ErrorKind::InvalidFatcatId(fcid.to_string()))?;
// unwrap() is safe here, because we know raw is always 16 bytes
Ok(Uuid::from_bytes(&raw).unwrap())
}
/// Convert UUID to fatcat ID string (base32 encoded)
pub fn uuid2fcid(id: &Uuid) -> String {
let raw = id.as_bytes();
BASE32_NOPAD.encode(raw).to_lowercase()
}
pub fn check_pmcid(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^PMC\d+$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid PubMed Central ID (PMCID): '{}' (expected, eg, 'PMC12345')",
raw
)).into())
}
}
pub fn check_pmid(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^\d+$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid PubMed ID (PMID): '{}' (expected, eg, '1234')",
raw
)).into())
}
}
pub fn check_wikidata_qid(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^Q\d+$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid Wikidata QID: '{}' (expected, eg, 'Q1234')",
raw
)).into())
}
}
pub fn check_doi(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^10.\d{3,6}/.+$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid DOI: '{}' (expected, eg, '10.1234/aksjdfh')",
raw
)).into())
}
}
pub fn check_issn(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^\d{4}-\d{3}[0-9X]$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid ISSN: '{}' (expected, eg, '1234-5678')",
raw
)).into())
}
}
pub fn check_orcid(raw: &str) -> Result<()> {
lazy_static! {
static ref RE: Regex = Regex::new(r"^\d{4}-\d{4}-\d{4}-\d{3}[\dX]$").unwrap();
}
if RE.is_match(raw) {
Ok(())
} else {
Err(ErrorKind::MalformedExternalId(format!(
"not a valid ORCID: '{}' (expected, eg, '0123-4567-3456-6789')",
raw
)).into())
}
}
#[test]
fn test_check_orcid() {
assert!(check_orcid("0123-4567-3456-6789").is_ok());
assert!(check_orcid("0123-4567-3456-678X").is_ok());
assert!(check_orcid("01234567-3456-6780").is_err());
assert!(check_orcid("0x23-4567-3456-6780").is_err());
}
// TODO: make the above checks "more correct"
// TODO: check ISBN-13
// TODO: check hashes (SHA-1, etc)
|
