GeneIT/geneit_backend/src/services/families_service.rs

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Rust
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use crate::connections::db_connection;
use crate::constants::FAMILY_INVITATION_CODE_LEN;
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use crate::manual_schema::families_memberships;
use crate::models::{
Family, FamilyID, FamilyMembership, Membership, NewFamily, NewMembership, UserID,
};
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use crate::schema::{families, memberships};
use crate::services::{members_service, users_service};
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use crate::utils::string_utils::rand_str;
use crate::utils::time_utils::time;
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use diesel::prelude::*;
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/// Create a new family, with an initial administrator
pub async fn create(name: &str, user_id: UserID) -> anyhow::Result<Family> {
let family = db_connection::execute(|conn| {
let res: Family = diesel::insert_into(families::table)
.values(&NewFamily {
name: name.trim(),
invitation_code: rand_str(FAMILY_INVITATION_CODE_LEN),
time_create: time() as i64,
})
.get_result(conn)?;
Ok(res)
})?;
add_member(family.id(), user_id, true).await?;
Ok(family)
}
/// Add a member to a family
pub async fn add_member(
family_id: FamilyID,
user_id: UserID,
admin: bool,
) -> anyhow::Result<Membership> {
db_connection::execute(|conn| {
let res = diesel::insert_into(memberships::table)
.values(&NewMembership {
user_id: user_id.0,
family_id: family_id.0,
time_create: time() as i64,
is_admin: admin,
})
.get_result(conn)?;
Ok(res)
})
}
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/// Find a family by id
pub async fn get_by_id(id: FamilyID) -> anyhow::Result<Family> {
db_connection::execute(|conn| {
families::table
.filter(families::dsl::id.eq(id.0))
.first(conn)
})
}
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/// Find a family by invitation code
pub async fn get_by_invitation_code(code: &str) -> anyhow::Result<Family> {
db_connection::execute(|conn| {
families::table
.filter(families::dsl::invitation_code.eq(code))
.first(conn)
})
}
/// Check if a given user is member of a family or not
pub async fn is_member(family_id: FamilyID, user_id: UserID) -> anyhow::Result<bool> {
db_connection::execute(|conn| {
memberships::table
.filter(memberships::dsl::family_id.eq(family_id.0))
.filter(memberships::dsl::user_id.eq(user_id.0))
.count()
.get_result(conn)
})
.map(|c: i64| c > 0)
}
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/// Get the memberships of a user, with family info
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pub async fn get_user_family_memberships(user_id: UserID) -> anyhow::Result<Vec<FamilyMembership>> {
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db_connection::execute(|conn| {
families_memberships::table
.filter(families_memberships::dsl::user_id.eq(user_id.0))
.get_results(conn)
})
}
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/// Get the memberships of a user, without family info
pub async fn get_user_memberships(user_id: UserID) -> anyhow::Result<Vec<Membership>> {
db_connection::execute(|conn| {
memberships::table
.filter(memberships::dsl::user_id.eq(user_id.0))
.get_results(conn)
})
}
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/// Get information about a membership of a user
pub async fn get_membership(family_id: FamilyID, user_id: UserID) -> anyhow::Result<Membership> {
db_connection::execute(|conn| {
memberships::table
.filter(memberships::dsl::user_id.eq(user_id.0))
.filter(memberships::dsl::family_id.eq(family_id.0))
.get_result(conn)
})
}
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/// Update a membership to a family
pub async fn update_membership(membership: &Membership) -> anyhow::Result<()> {
db_connection::execute(|conn| {
diesel::update(
memberships::dsl::memberships.filter(
memberships::dsl::user_id
.eq(membership.user_id().0)
.and(memberships::dsl::family_id.eq(membership.family_id().0)),
),
)
.set(memberships::dsl::is_admin.eq(membership.is_admin))
.execute(conn)
})?;
Ok(())
}
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#[derive(serde::Serialize)]
pub struct FamilyMember {
#[serde(flatten)]
membership: Membership,
user_name: String,
user_mail: String,
}
/// Get information about the users of a family
pub async fn get_memberships_of_family(family_id: FamilyID) -> anyhow::Result<Vec<FamilyMember>> {
let memberships = db_connection::execute(|conn| {
memberships::table
.filter(memberships::dsl::family_id.eq(family_id.0))
.get_results::<Membership>(conn)
})?;
let mut out = Vec::with_capacity(memberships.len());
for m in memberships {
let user = users_service::get_by_id(m.user_id()).await?;
out.push(FamilyMember {
user_name: user.name,
user_mail: user.email,
membership: m,
})
}
Ok(out)
}
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/// Get information about a membership of a user, joined with family information
pub async fn get_family_membership(
family_id: FamilyID,
user_id: UserID,
) -> anyhow::Result<FamilyMembership> {
db_connection::execute(|conn| {
families_memberships::table
.filter(families_memberships::dsl::user_id.eq(user_id.0))
.filter(families_memberships::dsl::family_id.eq(family_id.0))
.get_result(conn)
})
}
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/// Update a family
pub async fn update_family(family: &Family) -> anyhow::Result<()> {
db_connection::execute(|conn| {
diesel::update(families::dsl::families.filter(families::dsl::id.eq(family.id().0)))
.set((
families::dsl::name.eq(family.name.clone()),
families::dsl::invitation_code.eq(family.invitation_code.clone()),
))
.execute(conn)
})?;
Ok(())
}
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/// Delete a family
pub async fn delete_family(family_id: FamilyID) -> anyhow::Result<()> {
// TODO : delete couples
// Remove all family members
members_service::delete_all_family(family_id).await?;
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// Remove all memberships
db_connection::execute(|conn| {
diesel::delete(
memberships::dsl::memberships.filter(memberships::dsl::family_id.eq(family_id.0)),
)
.execute(conn)
})?;
// Remove the family itself
db_connection::execute(|conn| {
diesel::delete(families::dsl::families.filter(families::dsl::id.eq(family_id.0)))
.execute(conn)
})?;
Ok(())
}
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/// Remove a membership to a family
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pub async fn remove_membership(family_id: FamilyID, user_id: UserID) -> anyhow::Result<()> {
let family = get_family_membership(family_id, user_id).await?;
if family.is_admin && family.count_admins == 1 {
// We need to delete the whole family
delete_family(family_id).await
} else {
// Remove the single membership
db_connection::execute(|conn| {
diesel::delete(
memberships::dsl::memberships.filter(
memberships::dsl::user_id
.eq(user_id.0)
.and(memberships::dsl::family_id.eq(family_id.0)),
),
)
.execute(conn)
})?;
Ok(())
}
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}
/// Remove all memberships of user
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pub async fn remove_all_user_membership(user_id: UserID) -> anyhow::Result<()> {
for m in get_user_memberships(user_id).await? {
remove_membership(m.family_id(), user_id).await?;
}
Ok(())
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}