Some work on interfaces

I'm not happy. It kinda sucks right now. I hope I can fix it~~~~~

But for now I must move to my laptop

Cargo.lock

@@ -564,7 +564,9 @@ name = "db"
 version = "0.1.0"
 dependencies = [
  "async-trait",
+ "atproto",
  "sqlx",
+ "thiserror 2.0.12",
  "tokio",
 ]
 

atproto/src/lib.rs

@@ -1,17 +1,37 @@
 use lazy_regex::regex_captures;
 use core::str::FromStr;
+use std::fmt::{
+  Display, Formatter, Result as FmtResult
+};
 
 pub use atrium_api::types::{
   Collection,
   string::{
+    AtIdentifier as Authority,
+    Datetime,
+    Did,
     Nsid,
     RecordKey,
-    AtIdentifier as Authority,
+    Tid,
+    Handle,
   }
 };
 
 pub mod lexicons;
 
+pub struct Cid(String);
+
+impl Display for Cid {
+    fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
+        write!(f, "{}", self.0)
+    }
+}
+
+pub struct StrongRef<T> {
+  pub content: T,
+  pub cid: Cid,
+}
+
 pub struct Uri {
   whole: String,
   // These fields could be useful in the future, 

db/Cargo.toml

@@ -4,6 +4,8 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+thiserror = "2.0.12"
+atproto.workspace = true
 async-trait.workspace = true
 sqlx = { version = "0.8.6", features = ["postgres", "runtime-tokio"] }
 tokio.workspace = true

db/src/connection.rs

@@ -12,8 +12,8 @@ use sqlx::{
 };
 use std::string::ToString;
 
-pub struct Db<Dbimp: Database> {
-  pool: Pool<Dbimp>
+pub struct Db<Db: Database> {
+  pool: Pool<Db>
 }
 
 #[non_exhaustive]
@@ -55,45 +55,4 @@ impl Db<Postgres> {
     Ok(Db { pool })
   }
   //
-  // pub async fn add_user(&self, user: &User) -> Result<()> {
-  //   query!(r#"
-  //       INSERT INTO users(userdid, handle) VALUES ($1, $2)
-  //     "#,
-  //     user.userdid, user.handle
-  //   ).execute(self.pool).await?;
-  //   Ok(())
-  // }
-  //
-  // pub async fn add_session(&self, session: &Session) -> Result<()> {
-  //   let mut transaction = self.pool.begin().await?;
-  //
-  //   query!(r#"
-  //       INSERT INTO sessions(sessionuri, label) VALUES ($1, $2)
-  //     "#,
-  //     session.sessionuri, session.label
-  //   ).execute(&mut *transaction).await?;
-  //   
-  //   for participant in session.participants {
-  //     query!(r#"
-  //         INSERT INTO participants(sessionuri, userdid, role) VALUES ($1, $2, $3)
-  //       "#,
-  //       session.sessionuri, participant.userdid, participant.role.to_string()
-  //     ).execute(&mut *transaction).await?;
-  //   }
-  //
-  //   transaction.commit().await
-  // }
-  //
-  // pub async fn add_participant(&self, session: Session, 
-  //   participant: Participant) -> Result<Session> {
-  //   query!(r#"
-  //       INSERT INTO participants(sessionuri, userdid, role) VALUES ($1, $2, $3)
-  //     "#,
-  //     session.sessionuri, participant.userdid, participant.role.to_string()
-  //   ).execute(self.pool).await?;
-  //   
-  //   session.participants.push(participant);
-  //
-  //   Ok(session)
-  // }
 }

db/src/interfaces.rs

@@ -1,15 +0,0 @@
-use atproto::{
-    Did,
-    Uri,
-};
-
-pub struct User {
-  userdid: Did,
-  handle: Handle,
-}
-
-struct Participant {
-  participantdid: Did,
-  role: Role,
-}
-

db/src/interfaces/mod.rs

@@ -0,0 +1 @@
+pub mod spoor;

db/src/interfaces/spoor.rs

@@ -0,0 +1,178 @@
+use crate::DbError;
+use atproto::{
+  Cid,
+  Uri,
+  Datetime,
+  Did,
+  StrongRef,
+  Handle,
+};
+use sqlx::{
+  PgTransaction,
+  PgPool,
+  query,
+};
+
+pub struct Activity {
+  pub authority: Uri,
+  
+  pub cid: Option<Cid>,
+  pub session: Option<StrongRef<Session>>,
+  pub progress: Option<Progress>,
+  pub performed_at: Option<Datetime>,
+  pub created_at: Option<Datetime>,
+}
+
+pub struct Session {
+  pub uri: Uri,
+  
+  pub cid: Option<Cid>,
+  pub content: Option<StrongRef<Content>>,
+  pub label: Option<String>,
+  pub created_at: Option<Datetime>,
+  pub other_participants: Option<Vec<Participant>>,
+}
+
+pub struct User {
+  pub did: Did,
+  pub handle: Option<Handle>,
+}
+
+#[non_exhaustive]
+pub enum Participant {
+  Owner(User),
+  Added(User),
+}
+
+#[non_exhaustive]
+pub enum Content {
+  UnknownContent
+}
+
+#[non_exhaustive]
+pub enum Progress {
+  UnknownProgress
+}
+
+pub async fn ingest_session(
+  db: PgPool, session: Session
+) -> Result<(), DbError>  {
+  let mut transaction = db.begin().await?;
+  write_session(&mut transaction, session).await?;
+  transaction.commit().await.map_err(DbError::Backend)
+}
+
+async fn write_session(
+  tr: &mut PgTransaction<'_>, session: Session
+) -> Result<(), DbError> {
+
+  let (contenturi, contentcid): (Option<Content>, String) =
+    match session.content {
+    Some(sr) => (Some(sr.content), sr.cid.to_string()),
+    None => (None, "".to_string()),
+  };
+
+  query!(r#"
+    INSERT INTO sessions(
+      sessionuri, sessioncid, label, created_at, contenturi, contentcid
+    ) VALUES ($1, $2, $3, $4, $5, $6)
+  "#,
+    session.uri,
+    session.cid.map_or("", |cid| cid.to_string()),
+    session.label.unwrap_or(""),
+    session.created_at.map_or("", |dt| (*dt.as_str()).to_string()),
+    contenturi,
+    contentcid,
+  ).execute(&mut tr).await?;
+
+  session.other_participants.and_then(|participants| {
+    for participant in participants {
+      write_participant(tr, participant, session.uri).await?
+    }
+  }).unwrap_or(Ok(()))
+}
+
+async fn write_participant(
+  tr: &mut PgTransaction<'_>, participant: Participant, sessionuri: Uri
+) -> Result<(), DbError> {
+  let (participantType, user): (String, User) = match participant {
+    Participant::Owner(user) => ("Owner".to_string(), user),
+    Participant::Added(user) => ("Participant".to_string(), user),
+  };
+
+  query!(r#"
+    INSERT INTO participants(
+    sessionuri, userdid, role
+    ) VALUES ($1, $2, $3)
+  "#, sessionuri.to_string(), user.did.to_string, participantType
+  ).execute(&mut tr).await?;
+  
+  Ok(())
+}
+
+// pub fn injest_activity(db: PgPool, activity: Activity) -> Result<(), Error>  {
+//     todo!();
+// }
+//
+//   let mut transaction = db.begin().await?;
+//
+//   query!(r#"
+//       INSERT INTO sessions(sessionuri, label) VALUES ($1, $2)
+//     "#,
+//     session.sessionuri, session.label
+//   ).execute(&mut *transaction).await?;
+//   
+//   for participant in session.participants {
+//     query!(r#"
+//         INSERT INTO participants(sessionuri, userdid, role) VALUES ($1, $2, $3)
+//       "#,
+//       session.sessionuri, participant.userdid, participant.role.to_string()
+//     ).execute(&mut *transaction).await?;
+//   }
+//
+//   transaction.commit().await
+// }
+//
+// pub async fn ingest_participant(db: PgPool, participant: Participant) -> Result<(), Error>  {
+//   query!(r#"
+//       INSERT INTO sessions(sessionuri, label) VALUES ($1, $2)
+//     "#,
+//     session.sessionuri, session.label
+//   ).execute(&mut *transaction).await?;
+//   
+//   for participant in session.participants {
+//     query!(r#"
+//         INSERT INTO participants(sessionuri, userdid, role) VALUES ($1, $2, $3)
+//       "#,
+//       session.sessionuri, participant.userdid, participant.role.to_string()
+//     ).execute(&mut *transaction).await?;
+//   }
+//
+//   transaction.commit().await
+// }
+//
+
+  // pub async fn add_user(&self, user: &User) -> Result<()> {
+  //   query!(r#"
+  //       INSERT INTO users(userdid, handle) VALUES ($1, $2)
+  //     "#,
+  //     user.userdid, user.handle
+  //   ).execute(self.pool).await?;
+  //   Ok(())
+  // }
+  //
+  // pub async fn add_session(&self, session: &Session) -> Result<()> {
+  // }
+  //
+  // pub async fn add_participant(&self, session: Session, 
+  //   participant: Participant) -> Result<Session> {
+  //   query!(r#"
+  //       INSERT INTO participants(sessionuri, userdid, role) VALUES ($1, $2, $3)
+  //     "#,
+  //     session.sessionuri, participant.userdid, participant.role.to_string()
+  //   ).execute(self.pool).await?;
+  //   
+  //   session.participants.push(participant);
+  //
+  //   Ok(session)
+  // }

db/src/lib.rs

@@ -1 +1,12 @@
-pub struct db;
+use thiserror::Error;
+
+pub mod interfaces;
+
+#[non_exhaustive]
+#[derive(Debug, Error)]
+pub enum DbError {
+  #[error("Database Implementation Error: {0}")]
+  Backend(#[from] sqlx::Error),
+}
+
+// pub struct db;