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84 lines
1.9 KiB
84 lines
1.9 KiB
//! Structure for updating posts in-place
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use super::*;
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use std::{
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fmt,
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hash::{
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Hash,Hasher,
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},
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};
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use chrono::prelude::*;
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/// Represents all valid timestamps for a post.
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///
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/// Usually in UTC, pls keep it in Utc...
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#[derive(Debug, Clone, PartialEq, Eq)]
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#[derive(Serialize, Deserialize)]
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pub struct PostTimestamp
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{
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pub opened: DateTime<Utc>,
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pub closed: Option<DateTime<Utc>>,
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pub last_edit: DateTime<Utc>,
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}
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impl Hash for PostTimestamp {
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fn hash<H: Hasher>(&self, state: &mut H) {
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self.opened.hash(state);
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self.closed.hash(state);
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self.last_edit.hash(state);
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}
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}
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impl fmt::Display for PostTimestamp
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{
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fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result
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{
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writeln!(f, " Opened - {}", self.opened)?;
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writeln!(f, " Edited - {}", self.last_edit)?;
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write!(f, " Closed - ")?;
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if let Some(closed) = &self.closed {
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writeln!(f, "{}", closed)?;
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} else {
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writeln!(f, "Stil open")?;
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}
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Ok(())
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}
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}
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#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
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/// A closed and finished post. The inverse of `Imouto`.
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pub struct Static
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{
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id: identity::PostID,
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user: identity::User,
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title: Option<String>,
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karada: String,
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timestamp: PostTimestamp,
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/// Hash of the rest of the post data. . . .
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hash: crypto::sha256::Sha256Hash,
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}
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use suspend::{
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Suspendable,
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SuspendStream,
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};
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#[async_trait]
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impl Suspendable for Static
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{
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async fn suspend<S: SuspendStream +Send+Sync + ?Sized>(self, into: &mut S) -> Result<(), suspend::Error>
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{
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let mut output = suspend::Object::new();
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output.insert("post-static", self);
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into.set_object(output).await
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}
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async fn load<S: SuspendStream +Send+Sync+ ?Sized>(from: &mut S) -> Result<Self, suspend::Error>
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{
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let mut input = from.get_object().await?.ok_or(suspend::Error::BadObject)?;
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input.try_get("post-static").ok_or(suspend::Error::BadObject)
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}
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}
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