add entity and migration crates with SeaORM models for group, project, user, and user_group_project

Cargo.toml

@@ -7,3 +7,12 @@ name = "peer-group-grading"
 version = "0.1.0"
 edition = "2024"
 
+[workspace.dependencies]
+entity = { path = "crates/entity" }
+migration = { path = "crates/migration" }
+
+serde = { version = "*", features = ["derive"] }
+sea-orm = { version = "1.1.0", features = [
+    "runtime-tokio-rustls",
+    "sqlx-postgres",
+] }

crates/backend/Cargo.toml

@@ -1,16 +1,18 @@
 [package]
 name = "backend"
-version = {workspace = true}
-edition = {workspace = true}
+version = { workspace = true }
+edition = { workspace = true }
 
 [dependencies]
+entity = { workspace = true }
+migration = { workspace = true }
+
 actix-web = "4"
 actix-session = { version = "0.10", features = ["redis-session"] }
 actix-cors = "0.7"
 actix-files = "0.6"
 tracing-actix-web = "0.7.16"
 
-env_logger  = "0.11"
-
-serde = {version = "1", features = ["derive"]}
+env_logger = "0.11"
 
+serde = { version = "1", features = ["derive"] }

crates/entity/Cargo.toml

@@ -0,0 +1,8 @@
+[package]
+name = "entity"
+version = { workspace = true }
+edition = { workspace = true }
+
+[dependencies]
+serde = { workspace = true }
+sea-orm = { workspace = true }

crates/entity/src/group.rs

@@ -0,0 +1,42 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "group")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub id: Uuid,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub project_id: Uuid,
+    pub name: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::project::Entity",
+        from = "Column::ProjectId",
+        to = "super::project::Column::Id",
+        on_update = "Cascade",
+        on_delete = "Cascade"
+    )]
+    Project,
+    #[sea_orm(has_many = "super::user_group_project::Entity")]
+    UserGroupProject,
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Project.def()
+    }
+}
+
+impl Related<super::user_group_project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::UserGroupProject.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/entity/src/lib.rs

@@ -0,0 +1,8 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+pub mod prelude;
+
+pub mod group;
+pub mod project;
+pub mod user;
+pub mod user_group_project;

crates/entity/src/prelude.rs

@@ -0,0 +1,6 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+pub use super::group::Entity as Group;
+pub use super::project::Entity as Project;
+pub use super::user::Entity as User;
+pub use super::user_group_project::Entity as UserGroupProject;

crates/entity/src/project.rs

@@ -0,0 +1,35 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "project")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub id: Uuid,
+    pub name: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(has_many = "super::group::Entity")]
+    Group,
+}
+
+impl Related<super::group::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Group.def()
+    }
+}
+
+impl Related<super::user_group_project::Entity> for Entity {
+    fn to() -> RelationDef {
+        super::group::Relation::UserGroupProject.def()
+    }
+    fn via() -> Option<RelationDef> {
+        Some(super::group::Relation::Project.def().rev())
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/entity/src/user.rs

@@ -0,0 +1,27 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "user")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub id: Uuid,
+    pub name: String,
+    pub role: String,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(has_many = "super::user_group_project::Entity")]
+    UserGroupProject,
+}
+
+impl Related<super::user_group_project::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::UserGroupProject.def()
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}

crates/entity/src/user_group_project.rs

@@ -0,0 +1,58 @@
+//! `SeaORM` Entity, @generated by sea-orm-codegen 1.1.4
+
+use sea_orm::entity::prelude::*;
+use serde::{Deserialize, Serialize};
+
+#[derive(Clone, Debug, PartialEq, DeriveEntityModel, Eq, Serialize, Deserialize)]
+#[sea_orm(table_name = "user_group_project")]
+pub struct Model {
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub user_id: Uuid,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub group_id: Uuid,
+    #[sea_orm(primary_key, auto_increment = false)]
+    pub project_id: Uuid,
+}
+
+#[derive(Copy, Clone, Debug, EnumIter, DeriveRelation)]
+pub enum Relation {
+    #[sea_orm(
+        belongs_to = "super::group::Entity",
+        from = "(Column::GroupId, Column::ProjectId)",
+        to = "(super::group::Column::Id, super::group::Column::ProjectId)",
+        on_update = "Cascade",
+        on_delete = "Cascade"
+    )]
+    Group,
+    #[sea_orm(
+        belongs_to = "super::user::Entity",
+        from = "Column::UserId",
+        to = "super::user::Column::Id",
+        on_update = "Cascade",
+        on_delete = "Cascade"
+    )]
+    User,
+}
+
+impl Related<super::group::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::Group.def()
+    }
+}
+
+impl Related<super::user::Entity> for Entity {
+    fn to() -> RelationDef {
+        Relation::User.def()
+    }
+}
+
+impl Related<super::project::Entity> for Entity {
+    fn to() -> RelationDef {
+        super::group::Relation::Project.def()
+    }
+    fn via() -> Option<RelationDef> {
+        Some(super::group::Relation::UserGroupProject.def().rev())
+    }
+}
+
+impl ActiveModelBehavior for ActiveModel {}