feat(core/database): basic implementation of User and File models

crates/core/database/src/models/users/mod.rs

@@ -0,0 +1,8 @@
+mod model;
+mod ops;
+#[cfg(feature = "rocket-impl")]
+mod rocket;
+
+pub use self::rocket::*;
+pub use model::*;
+pub use ops::*;

crates/core/database/src/models/users/model.rs

@@ -0,0 +1,99 @@
+use crate::File;
+
+auto_derived_partial!(
+    /// # User
+    pub struct User {
+        /// Unique Id
+        #[serde(rename = "_id")]
+        pub id: String,
+        /// Username
+        pub username: String,
+        #[serde(skip_serializing_if = "Option::is_none")]
+        /// Avatar attachment
+        pub avatar: Option<File>,
+        /// Relationships with other users
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub relations: Option<Vec<Relationship>>,
+
+        /// Bitfield of user badges
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub badges: Option<i32>,
+        /// User's current status
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub status: Option<UserStatus>,
+        /// User's profile page
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub profile: Option<UserProfile>,
+
+        /// Enum of user flags
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub flags: Option<i32>,
+        /// Whether this user is privileged
+        #[serde(skip_serializing_if = "crate::if_false", default)]
+        pub privileged: bool,
+        /// Bot information
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub bot: Option<BotInformation>,
+    },
+    "PartialUser"
+);
+
+auto_derived!(
+    /// User's relationship with another user (or themselves)
+    pub enum RelationshipStatus {
+        None,
+        User,
+        Friend,
+        Outgoing,
+        Incoming,
+        Blocked,
+        BlockedOther,
+    }
+
+    /// Relationship entry indicating current status with other user
+    pub struct Relationship {
+        #[serde(rename = "_id")]
+        pub id: String,
+        pub status: RelationshipStatus,
+    }
+
+    /// Presence status
+    pub enum Presence {
+        /// User is online
+        Online,
+        /// User is not currently available
+        Idle,
+        /// User is focusing / will only receive mentions
+        Focus,
+        /// User is busy / will not receive any notifications
+        Busy,
+        /// User appears to be offline
+        Invisible,
+    }
+
+    /// User's active status
+    pub struct UserStatus {
+        /// Custom status text
+        #[serde(skip_serializing_if = "String::is_empty")]
+        pub text: String,
+        /// Current presence option
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub presence: Option<Presence>,
+    }
+
+    /// User's profile
+    pub struct UserProfile {
+        /// Text content on user's profile
+        #[serde(skip_serializing_if = "String::is_empty")]
+        pub content: String,
+        /// Background visible on user's profile
+        #[serde(skip_serializing_if = "Option::is_none")]
+        pub background: Option<File>,
+    }
+
+    /// Bot information for if the user is a bot
+    pub struct BotInformation {
+        /// Id of the owner of this bot
+        pub owner: String,
+    }
+);

crates/core/database/src/models/users/ops.rs

@@ -0,0 +1,12 @@
+use revolt_result::Result;
+
+use crate::User;
+
+mod mongodb;
+mod reference;
+
+#[async_trait]
+pub trait AbstractUsers: Sync + Send {
+    /// Fetch a user from the database
+    async fn fetch_user(&self, id: &str) -> Result<User>;
+}

crates/core/database/src/models/users/ops/mongodb.rs

@@ -0,0 +1,16 @@
+use revolt_result::Result;
+
+use crate::MongoDb;
+use crate::User;
+
+use super::AbstractUsers;
+
+static COL: &str = "bots";
+
+#[async_trait]
+impl AbstractUsers for MongoDb {
+    /// Fetch a user from the database
+    async fn fetch_user(&self, id: &str) -> Result<User> {
+        query!(self, find_one_by_id, COL, id)?.ok_or_else(|| create_error!(NotFound))
+    }
+}

crates/core/database/src/models/users/ops/reference.rs

@@ -0,0 +1,18 @@
+use revolt_result::Result;
+
+use crate::ReferenceDb;
+use crate::User;
+
+use super::AbstractUsers;
+
+#[async_trait]
+impl AbstractUsers for ReferenceDb {
+    /// Fetch a user from the database
+    async fn fetch_user(&self, id: &str) -> Result<User> {
+        let users = self.users.lock().await;
+        users
+            .get(id)
+            .cloned()
+            .ok_or_else(|| create_error!(NotFound))
+    }
+}

crates/core/database/src/models/users/rocket.rs

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+use authifier::models::Session;
+use rocket::http::Status;
+use rocket::request::{self, FromRequest, Outcome, Request};
+
+use crate::{Database, User};
+
+#[rocket::async_trait]
+impl<'r> FromRequest<'r> for User {
+    type Error = authifier::Error;
+
+    async fn from_request(request: &'r Request<'_>) -> request::Outcome<Self, Self::Error> {
+        let user: &Option<User> = request
+            .local_cache_async(async {
+                let db = request.rocket().state::<Database>().expect("`Database`");
+
+                let _header_bot_token = request
+                    .headers()
+                    .get("x-bot-token")
+                    .next()
+                    .map(|x| x.to_string());
+
+                /* if let Some(bot_token) = header_bot_token {
+                    if let Ok(user) = User::from_token(db, &bot_token, UserHint::Bot).await {
+                        return Some(user);
+                    }
+                } else */
+                if let Outcome::Success(session) = request.guard::<Session>().await {
+                    // This uses a guard so can't really easily be refactored into from_token at this stage.
+                    if let Ok(user) = db.fetch_user(&session.user_id).await {
+                        return Some(user);
+                    }
+                }
+
+                None
+            })
+            .await;
+
+        if let Some(user) = user {
+            Outcome::Success(user.clone())
+        } else {
+            Outcome::Failure((Status::Unauthorized, authifier::Error::InvalidSession))
+        }
+    }
+}