GeneIT/geneit_backend/src/services/members_service.rs

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6.0 KiB
Rust
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2023-08-04 17:03:46 +00:00
use crate::connections::db_connection;
use crate::models::{FamilyID, Member, MemberID, NewMember};
use crate::schema::members;
use crate::utils::time_utils::time;
use diesel::prelude::*;
use diesel::RunQueryDsl;
/// Create a new family member
pub async fn create(family_id: FamilyID) -> anyhow::Result<Member> {
db_connection::execute(|conn| {
let res: Member = diesel::insert_into(members::table)
.values(&NewMember {
family_id: family_id.0,
time_create: time() as i64,
time_update: time() as i64,
})
.get_result(conn)?;
Ok(res)
})
}
/// Get the information of a member
pub async fn get_by_id(id: MemberID) -> anyhow::Result<Member> {
db_connection::execute(|conn| members::table.filter(members::dsl::id.eq(id.0)).first(conn))
}
/// Get all the members of a family
pub async fn get_all_of_family(id: FamilyID) -> anyhow::Result<Vec<Member>> {
db_connection::execute(|conn| {
members::table
.filter(members::dsl::family_id.eq(id.0))
.get_results(conn)
})
}
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/// Check whether a member with a given id exists or not
pub async fn exists(family_id: FamilyID, member_id: MemberID) -> anyhow::Result<bool> {
db_connection::execute(|conn| {
let count: i64 = members::table
.filter(
members::id
.eq(member_id.0)
.and(members::family_id.eq(family_id.0)),
)
.count()
.get_result(conn)?;
Ok(count != 0)
})
}
/// Update the information of a member
pub async fn update(member: &mut Member) -> anyhow::Result<()> {
member.time_update = time() as i64;
db_connection::execute(|conn| {
diesel::update(members::dsl::members.filter(members::dsl::id.eq(member.id().0)))
.set((
members::dsl::first_name.eq(member.first_name.clone()),
members::dsl::last_name.eq(member.last_name.clone()),
members::dsl::birth_last_name.eq(member.birth_last_name.clone()),
members::dsl::photo_id.eq(member.photo_id.clone()),
members::dsl::email.eq(member.email.clone()),
members::dsl::phone.eq(member.phone.clone()),
members::dsl::address.eq(member.address.clone()),
members::dsl::city.eq(member.city.clone()),
members::dsl::postal_code.eq(member.postal_code.clone()),
members::dsl::country.eq(member.country.clone()),
members::dsl::sex.eq(member.sex().map(|s| s.to_str().to_string())),
members::dsl::time_update.eq(member.time_update),
members::dsl::mother.eq(member.mother().map(|m| m.0)),
members::dsl::father.eq(member.father().map(|m| m.0)),
members::dsl::birth_year.eq(member.birth_year),
members::dsl::birth_month.eq(member.birth_month),
members::dsl::birth_day.eq(member.birth_day),
members::dsl::death_year.eq(member.death_year),
members::dsl::death_month.eq(member.death_month),
members::dsl::death_day.eq(member.death_day),
members::dsl::note.eq(member.note.clone()),
))
.execute(conn)
})?;
Ok(())
}
/// Delete a member
pub async fn delete(member: &Member) -> anyhow::Result<()> {
// TODO : remove associated couple
// TODO : remove user photo
// Remove the member
db_connection::execute(|conn| {
diesel::delete(members::dsl::members.filter(members::dsl::id.eq(member.id().0)))
.execute(conn)
})?;
Ok(())
}
/// Delete all the members of a family
pub async fn delete_all_family(family_id: FamilyID) -> anyhow::Result<()> {
for m in get_all_of_family(family_id).await? {
delete(&m).await?;
}
Ok(())
}
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pub mod loop_detection {
use crate::models::{Member, MemberID};
use std::collections::HashMap;
#[derive(Debug)]
struct LoopStack<'a> {
curr: MemberID,
prev: Option<&'a LoopStack<'a>>,
}
impl<'a> LoopStack<'a> {
pub fn contains(&self, id: MemberID) -> bool {
if let Some(ls) = &self.prev {
if ls.contains(id) {
return true;
}
}
self.curr == id
}
}
fn detect_loop_control(
members: &HashMap<MemberID, &&Member>,
curr_stack: &LoopStack,
next: Option<MemberID>,
) -> bool {
match next {
None => false,
Some(id) => {
if curr_stack.contains(id) {
log::debug!("Loop detected! {:?}", curr_stack);
return true;
}
detect_loop_recurse(
members,
&LoopStack {
curr: id,
prev: Some(curr_stack),
},
)
}
}
}
/// Recurse loop detection
fn detect_loop_recurse(members: &HashMap<MemberID, &&Member>, curr_stack: &LoopStack) -> bool {
let member = match members.get(&curr_stack.curr) {
Some(m) => m,
None => {
log::warn!("Member {:?} not found in the tree for loop detection, this should never happen!", curr_stack.curr);
return false;
}
};
detect_loop_control(members, curr_stack, member.mother())
|| detect_loop_control(members, curr_stack, member.father())
}
/// Detect loops in members hierarchy
pub fn detect_loop(members: &[&Member]) -> bool {
let mut map = HashMap::new();
for m in members {
map.insert(m.id(), m);
}
for m in members {
if detect_loop_recurse(
&map,
&LoopStack {
curr: m.id(),
prev: None,
},
) {
return true;
}
}
false
}
}