api(contact): add Contact::get_by_id_optional() API

This commit is contained in:
link2xt
2023-07-02 16:52:12 +00:00
parent fa1924da2b
commit 2a6b7d9766

View File

@@ -340,6 +340,8 @@ impl Default for VerifiedStatus {
impl Contact {
/// Loads a single contact object from the database.
///
/// Returns an error if the contact does not exist.
///
/// For contact ContactId::SELF (1), the function returns sth.
/// like "Me" in the selected language and the email address
/// defined by set_config().
@@ -347,9 +349,22 @@ impl Contact {
/// For contact ContactId::DEVICE, the function overrides
/// the contact name and status with localized address.
pub async fn get_by_id(context: &Context, contact_id: ContactId) -> Result<Self> {
let mut contact = context
let contact = Self::get_by_id_optional(context, contact_id)
.await?
.with_context(|| format!("contact {contact_id} not found"))?;
Ok(contact)
}
/// Loads a single contact object from the database.
///
/// Similar to [`Contact::get_by_id()`] but returns `None` if the contact does not exist.
pub async fn get_by_id_optional(
context: &Context,
contact_id: ContactId,
) -> Result<Option<Self>> {
if let Some(mut contact) = context
.sql
.query_row(
.query_row_optional(
"SELECT c.name, c.addr, c.origin, c.blocked, c.last_seen,
c.authname, c.param, c.status
FROM contacts c
@@ -378,23 +393,27 @@ impl Contact {
Ok(contact)
},
)
.await?;
if contact_id == ContactId::SELF {
contact.name = stock_str::self_msg(context).await;
contact.addr = context
.get_config(Config::ConfiguredAddr)
.await?
.unwrap_or_default();
contact.status = context
.get_config(Config::Selfstatus)
.await?
.unwrap_or_default();
} else if contact_id == ContactId::DEVICE {
contact.name = stock_str::device_messages(context).await;
contact.addr = ContactId::DEVICE_ADDR.to_string();
contact.status = stock_str::device_messages_hint(context).await;
.await?
{
if contact_id == ContactId::SELF {
contact.name = stock_str::self_msg(context).await;
contact.addr = context
.get_config(Config::ConfiguredAddr)
.await?
.unwrap_or_default();
contact.status = context
.get_config(Config::Selfstatus)
.await?
.unwrap_or_default();
} else if contact_id == ContactId::DEVICE {
contact.name = stock_str::device_messages(context).await;
contact.addr = ContactId::DEVICE_ADDR.to_string();
contact.status = stock_str::device_messages_hint(context).await;
}
Ok(Some(contact))
} else {
Ok(None)
}
Ok(contact)
}
/// Returns `true` if this contact is blocked.