feat: move project to crates

Signed-off-by: kjuulh <contact@kjuulh.io>

crates/como_infrastructure/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "como_infrastructure"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+como_core.workspace = true
+como_domain.workspace = true
+como_auth.workspace = true
+
+axum.workspace = true
+async-trait.workspace = true
+uuid.workspace = true
+anyhow.workspace = true
+sqlx.workspace = true
+chrono.workspace = true
+serde_json.workspace = true
+
+async-sqlx-session.workspace = true
+
+tokio.workspace = true
+clap.workspace = true
+tracing.workspace = true
+argon2.workspace = true
+rand_core.workspace = true

crates/como_infrastructure/build.rs

@@ -0,0 +1,9 @@
+fn main() {
+    println!("cargo:rustc-env=SQLX_OFFLINE_DIR='./.sqlx'");
+    // When building in docs.rs, we want to set SQLX_OFFLINE mode to true
+    if std::env::var_os("DOCS_RS").is_some() {
+        println!("cargo:rustc-env=SQLX_OFFLINE=true");
+    } else if std::env::var_os("DOCKER_BUILD").is_some() {
+        println!("cargo:rustc-env=SQLX_OFFLINE=true");
+    }
+}

crates/como_infrastructure/migrations/20220808220223_initial_migration.sql

@@ -0,0 +1,8 @@
+-- Add migration script here
+CREATE TABLE IF NOT EXISTS users (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  username varchar not null,
+  password_hash varchar not null
+);
+
+CREATE unique index users_username_idx on users(username)

crates/como_infrastructure/migrations/20230528154039_with-project.sql

@@ -0,0 +1,10 @@
+-- Add migration script here
+
+CREATE TABLE IF NOT EXISTS projects (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  name varchar not null,
+  description varchar default null,
+  user_id varchar not null,
+  created_at timestamp not null,
+  updated_at timestamp not null
+);

crates/como_infrastructure/migrations/20230603152353_items.sql

@@ -0,0 +1,17 @@
+-- Add migration script here
+
+create table if not exists items (
+  id UUID PRIMARY KEY DEFAULT gen_random_uuid(),
+  title varchar not null,
+  description varchar default null,
+  state integer not null,
+  user_id varchar not null,
+  project_id UUID not null,
+  created_at timestamp not null,
+  updated_at timestamp not null,
+  CONSTRAINT fk_project
+    FOREIGN KEY(project_id)
+      REFERENCES projects(id)
+        ON DELETE CASCADE
+)
+

crates/como_infrastructure/migrations/20230604084033_alter_state_string.sql

@@ -0,0 +1,4 @@
+-- Add migration script here
+
+ALTER TABLE items ALTER COLUMN state TYPE varchar(255);
+

crates/como_infrastructure/sqlx-data.json

@@ -0,0 +1,346 @@
+{
+  "db": "PostgreSQL",
+  "05d0a7901f0481d7443f125655df26eeacd63f2b023723a0c09c662617e0baf5": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, title, description, state, project_id\n            FROM items\n            WHERE id = $1 AND user_id = $2\n            "
+  },
+  "3b4484c5ccfd4dcb887c4e978fe6e45d4c9ecc2a73909be207dced79ddf17d87": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Varchar",
+          "Varchar"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO users (username, password_hash) \n            VALUES ( $1, $2 ) \n            RETURNING id\n            "
+  },
+  "4ec32ebd0ee991cec625d9de51de0d3e0ddfc8afda0568327fa9c818bde08e1f": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Timestamp",
+          "Timestamp"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO projects (id, name, description, user_id, created_at, updated_at)\n            VALUES ($1, $2, $3, $4, $5, $6)\n            RETURNING id\n            "
+  },
+  "7901e81b1f1f08f0c7e72a967a8116efb62f40d99f80900f1e56cd13ad4f6bb2": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Uuid",
+          "Varchar"
+        ]
+      }
+    },
+    "query": "\n            INSERT INTO items (id, title, description, state, project_id, user_id, created_at, updated_at)\n            VALUES ($1, $2, $3, $4, $5, $6, now(), now())\n            RETURNING id, title, description, state, project_id\n            "
+  },
+  "a188dc748025cf3311820d16002b111a75f571d18f44f54b730ac14e9b2e10ea": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "name",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "user_id",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, name, description, user_id\n            FROM projects\n            WHERE id = $1 and user_id = $2\n            "
+  },
+  "b930a7123d22d543e4d8ed70a1bc10477362127969ceca9653e445f26670003a": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "name",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "user_id",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, name, description, user_id\n            FROM projects\n            WHERE user_id = $1\n            LIMIT 500\n            "
+  },
+  "bacf3c8a2f302d50991483fa36a06965c3536c2ef3837c19c6e6361eff312848": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Varchar",
+          "Varchar",
+          "Varchar",
+          "Uuid",
+          "Uuid",
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            UPDATE items\n            SET \n                title = COALESCE($1, title), \n                description = COALESCE($2, description), \n                state = COALESCE($3, state), \n                project_id = COALESCE($4, project_id), \n                updated_at = now()\n            WHERE id = $5 AND user_id = $6\n            RETURNING id, title, description, state, project_id\n            "
+  },
+  "bd2407ffb9637afcff3ffe1101e7c1920b8cf0be423ab0313d14acc9c76e0f93": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "title",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "description",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "state",
+          "ordinal": 3,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "project_id",
+          "ordinal": 4,
+          "type_info": "Uuid"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        true,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text",
+          "Uuid"
+        ]
+      }
+    },
+    "query": "\n            SELECT id, title, description, state, project_id\n            FROM items\n            WHERE user_id = $1 and project_id = $2\n            LIMIT 500\n            "
+  },
+  "d3f222cf6c3d9816705426fdbed3b13cb575bb432eb1f33676c0b414e67aecaf": {
+    "describe": {
+      "columns": [
+        {
+          "name": "id",
+          "ordinal": 0,
+          "type_info": "Uuid"
+        },
+        {
+          "name": "username",
+          "ordinal": 1,
+          "type_info": "Varchar"
+        },
+        {
+          "name": "password_hash",
+          "ordinal": 2,
+          "type_info": "Varchar"
+        }
+      ],
+      "nullable": [
+        false,
+        false,
+        false
+      ],
+      "parameters": {
+        "Left": [
+          "Text"
+        ]
+      }
+    },
+    "query": "\n            SELECT * from users\n            where username=$1\n            "
+  }
+}

crates/como_infrastructure/src/configs/mod.rs

@@ -0,0 +1,29 @@
+use clap::ValueEnum;
+use como_auth::AuthClap;
+
+#[derive(clap::Parser)]
+pub struct AppConfig {
+    #[clap(long, env)]
+    pub database_url: String,
+    #[clap(long, env, default_value = "postgres")]
+    pub database_type: DatabaseType,
+    #[clap(long, env)]
+    pub rust_log: String,
+    #[clap(long, env, default_value = "3001")]
+    pub api_port: u32,
+    #[clap(long, env, default_value = "true")]
+    pub run_migrations: bool,
+    #[clap(long, env, default_value = "false")]
+    pub seed: bool,
+    #[clap(long, env)]
+    pub cors_origin: String,
+
+    #[clap(flatten)]
+    pub auth: AuthClap,
+}
+
+#[derive(Clone, Debug, ValueEnum)]
+pub enum DatabaseType {
+    Postgres,
+    InMemory,
+}

crates/como_infrastructure/src/database/mod.rs

@@ -0,0 +1,33 @@
+use anyhow::Context;
+use sqlx::{postgres::PgPoolOptions, Pool, Postgres};
+use tracing::log::info;
+
+pub type ConnectionPool = Pool<Postgres>;
+
+pub struct ConnectionPoolManager;
+
+impl ConnectionPoolManager {
+    pub async fn new_pool(
+        connection_string: &str,
+        run_migrations: bool,
+    ) -> anyhow::Result<ConnectionPool> {
+        info!("initializing the database connection pool");
+        let pool = PgPoolOptions::new()
+            .max_connections(5)
+            .connect(connection_string)
+            .await
+            .context("error while initializing the database connection pool")?;
+
+        if run_migrations {
+            info!("migrations enabled");
+            info!("migrating database");
+
+            sqlx::migrate!()
+                .run(&pool)
+                .await
+                .context("error while running database migrations")?;
+        }
+
+        Ok(pool)
+    }
+}

crates/como_infrastructure/src/lib.rs

@@ -0,0 +1,5 @@
+pub mod configs;
+pub mod database;
+pub mod register;
+pub mod repositories;
+pub mod services;

crates/como_infrastructure/src/register.rs

@@ -0,0 +1,74 @@
+use std::sync::Arc;
+
+use async_sqlx_session::PostgresSessionStore;
+use como_auth::{AuthService, SessionService};
+use como_core::{items::DynItemService, projects::DynProjectService, users::DynUserService};
+use tracing::log::info;
+
+use crate::{
+    configs::{AppConfig, DatabaseType},
+    database::ConnectionPool,
+    services::{
+        item_service::{DefaultItemService, MemoryItemService},
+        project_service::{DefaultProjectService, MemoryProjectService},
+        user_service::DefaultUserService,
+    },
+};
+
+#[derive(Clone)]
+pub struct ServiceRegister {
+    pub item_service: DynItemService,
+    pub project_service: DynProjectService,
+    pub user_service: DynUserService,
+    pub session_store: PostgresSessionStore,
+    pub auth_service: AuthService,
+}
+
+impl ServiceRegister {
+    pub async fn new(pool: ConnectionPool, config: Arc<AppConfig>) -> anyhow::Result<Self> {
+        info!("creating services");
+
+        let session = SessionService::new(&config.auth).await?;
+        let auth = AuthService::new(&config.auth, session).await?;
+
+        let s = match config.database_type {
+            DatabaseType::Postgres => {
+                let item_service =
+                    Arc::new(DefaultItemService::new(pool.clone())) as DynItemService;
+                let project_service =
+                    Arc::new(DefaultProjectService::new(pool.clone())) as DynProjectService;
+                let user_service =
+                    Arc::new(DefaultUserService::new(pool.clone())) as DynUserService;
+                let store = PostgresSessionStore::new(&config.database_url).await?;
+                store.migrate().await?;
+
+                Self {
+                    item_service,
+                    user_service,
+                    project_service,
+                    session_store: store,
+                    auth_service: auth,
+                }
+            }
+            DatabaseType::InMemory => {
+                let item_service = Arc::new(MemoryItemService::new()) as DynItemService;
+                let project_service = Arc::new(MemoryProjectService::new()) as DynProjectService;
+                let user_service =
+                    Arc::new(DefaultUserService::new(pool.clone())) as DynUserService;
+                let store = PostgresSessionStore::new(&config.database_url).await?;
+                store.migrate().await?;
+
+                Self {
+                    item_service,
+                    user_service,
+                    project_service,
+                    session_store: store,
+                    auth_service: auth,
+                }
+            }
+        };
+        info!("services created succesfully");
+
+        Ok(s)
+    }
+}

crates/como_infrastructure/src/repositories/mod.rs

@@ -0,0 +1 @@
+

crates/como_infrastructure/src/services/item_service.rs

@@ -0,0 +1,221 @@
+use crate::database::ConnectionPool;
+use async_trait::async_trait;
+use como_core::items::ItemService;
+use como_domain::{
+    item::{
+        queries::{GetItemQuery, GetItemsQuery},
+        requests::{CreateItemDto, UpdateItemDto},
+        responses::CreatedItemDto,
+        ItemDto,
+    },
+    user::ContextUserExt,
+    Context,
+};
+use std::{
+    collections::HashMap,
+    sync::{Arc, Mutex},
+};
+use uuid::Uuid;
+
+pub struct DefaultItemService {
+    pool: ConnectionPool,
+}
+
+impl DefaultItemService {
+    pub fn new(connection_pool: ConnectionPool) -> Self {
+        Self {
+            pool: connection_pool,
+        }
+    }
+}
+
+#[async_trait]
+impl ItemService for DefaultItemService {
+    async fn add_item(
+        &self,
+        context: &Context,
+        item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto> {
+        let state = serde_json::to_string(&como_domain::item::ItemState::Created {})?;
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO items (id, title, description, state, project_id, user_id, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6, now(), now())
+            RETURNING id, title, description, state, project_id
+            "#,
+            Uuid::new_v4(),
+            item.title,
+            item.description,
+            state,
+            item.project_id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(CreatedItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: como_domain::item::ItemState::Created {},
+            project_id: rec.project_id,
+        })
+    }
+
+    async fn get_item(&self, context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            SELECT id, title, description, state, project_id
+            FROM items
+            WHERE id = $1 AND user_id = $2
+            "#,
+            query.item_id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: serde_json::from_str(&rec.state)?,
+            project_id: rec.project_id,
+        })
+    }
+
+    async fn get_items(
+        &self,
+        context: &Context,
+        query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let recs = sqlx::query!(
+            r#"
+            SELECT id, title, description, state, project_id
+            FROM items
+            WHERE user_id = $1 and project_id = $2
+            LIMIT 500
+            "#,
+            user_id,
+            query.project_id,
+        )
+        .fetch_all(&self.pool)
+        .await?;
+
+        Ok(recs
+            .into_iter()
+            .map(|rec| ItemDto {
+                id: rec.id,
+                title: rec.title,
+                description: rec.description,
+                state: serde_json::from_str(&rec.state).unwrap(),
+                project_id: rec.project_id,
+            })
+            .collect())
+    }
+
+    async fn update_item(&self, context: &Context, item: UpdateItemDto) -> anyhow::Result<ItemDto> {
+        let state = item.state.map(|s| serde_json::to_string(&s)).transpose()?;
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            UPDATE items
+            SET 
+                title = COALESCE($1, title), 
+                description = COALESCE($2, description), 
+                state = COALESCE($3, state), 
+                project_id = COALESCE($4, project_id), 
+                updated_at = now()
+            WHERE id = $5 AND user_id = $6
+            RETURNING id, title, description, state, project_id
+            "#,
+            item.title,
+            item.description,
+            state,
+            item.project_id,
+            item.id,
+            user_id,
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ItemDto {
+            id: rec.id,
+            title: rec.title,
+            description: rec.description,
+            state: serde_json::from_str(&rec.state)?,
+            project_id: rec.project_id,
+        })
+    }
+}
+
+pub struct MemoryItemService {
+    item_store: Arc<Mutex<HashMap<String, ItemDto>>>,
+}
+
+impl MemoryItemService {
+    pub fn new() -> Self {
+        Self {
+            item_store: Arc::new(Mutex::new(HashMap::new())),
+        }
+    }
+}
+
+#[async_trait]
+impl ItemService for MemoryItemService {
+    async fn add_item(
+        &self,
+        _context: &Context,
+        create_item: CreateItemDto,
+    ) -> anyhow::Result<CreatedItemDto> {
+        if let Ok(mut item_store) = self.item_store.lock() {
+            let item = ItemDto {
+                id: Uuid::new_v4(),
+                title: create_item.title,
+                description: create_item.description,
+                state: como_domain::item::ItemState::Created,
+                project_id: create_item.project_id,
+            };
+
+            item_store.insert(item.id.to_string(), item.clone());
+
+            return Ok(item);
+        } else {
+            Err(anyhow::anyhow!("could not unlock item_store"))
+        }
+    }
+
+    async fn get_item(&self, _context: &Context, query: GetItemQuery) -> anyhow::Result<ItemDto> {
+        if let Ok(item_store) = self.item_store.lock() {
+            let item = item_store
+                .get(&query.item_id.to_string())
+                .ok_or(anyhow::anyhow!("could not find item"))?;
+            return Ok(item.clone());
+        } else {
+            Err(anyhow::anyhow!("could not unlock item_store"))
+        }
+    }
+
+    async fn get_items(
+        &self,
+        _context: &Context,
+        _query: GetItemsQuery,
+    ) -> anyhow::Result<Vec<ItemDto>> {
+        todo!()
+    }
+
+    async fn update_item(
+        &self,
+        _context: &Context,
+        _item: UpdateItemDto,
+    ) -> anyhow::Result<ItemDto> {
+        todo!()
+    }
+}

crates/como_infrastructure/src/services/mod.rs

@@ -0,0 +1,3 @@
+pub mod item_service;
+pub mod project_service;
+pub mod user_service;

crates/como_infrastructure/src/services/project_service.rs

@@ -0,0 +1,167 @@
+use std::{collections::HashMap, sync::Arc};
+
+use axum::async_trait;
+use como_core::projects::ProjectService;
+use como_domain::{
+    projects::{mutation::CreateProjectMutation, queries::GetProjectQuery, ProjectDto},
+    user::ContextUserExt,
+    Context,
+};
+use tokio::sync::Mutex;
+
+use crate::database::ConnectionPool;
+
+pub struct DefaultProjectService {
+    pool: ConnectionPool,
+}
+
+impl DefaultProjectService {
+    pub fn new(connection_pool: ConnectionPool) -> Self {
+        Self {
+            pool: connection_pool,
+        }
+    }
+}
+
+#[async_trait]
+impl ProjectService for DefaultProjectService {
+    async fn get_project(
+        &self,
+        context: &Context,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            SELECT id, name, description, user_id
+            FROM projects
+            WHERE id = $1 and user_id = $2
+            "#,
+            query.project_id,
+            &user_id
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ProjectDto {
+            id: rec.id,
+            name: rec.name,
+            description: rec.description,
+            user_id: rec.user_id,
+        })
+    }
+    async fn get_projects(&self, context: &Context) -> anyhow::Result<Vec<ProjectDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let recs = sqlx::query!(
+            r#"
+            SELECT id, name, description, user_id
+            FROM projects
+            WHERE user_id = $1
+            LIMIT 500
+            "#,
+            &user_id
+        )
+        .fetch_all(&self.pool)
+        .await?;
+
+        Ok(recs
+            .into_iter()
+            .map(|rec| ProjectDto {
+                id: rec.id,
+                name: rec.name,
+                description: rec.description,
+                user_id: rec.user_id,
+            })
+            .collect::<_>())
+    }
+    async fn create_project(
+        &self,
+        context: &Context,
+        request: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO projects (id, name, description, user_id, created_at, updated_at)
+            VALUES ($1, $2, $3, $4, $5, $6)
+            RETURNING id
+            "#,
+            uuid::Uuid::new_v4(),
+            request.name,
+            request.description,
+            &user_id,
+            chrono::Utc::now().naive_utc(),
+            chrono::Utc::now().naive_utc(),
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(ProjectDto {
+            id: rec.id,
+            name: request.name,
+            description: request.description,
+            user_id: user_id.clone(),
+        })
+    }
+}
+
+pub struct MemoryProjectService {
+    project_store: Arc<Mutex<HashMap<String, ProjectDto>>>,
+}
+
+impl MemoryProjectService {
+    pub fn new() -> Self {
+        Self {
+            project_store: Arc::new(Mutex::new(HashMap::new())),
+        }
+    }
+}
+
+#[async_trait]
+impl ProjectService for MemoryProjectService {
+    async fn get_project(
+        &self,
+        _context: &Context,
+        query: GetProjectQuery,
+    ) -> anyhow::Result<ProjectDto> {
+        let ps = self.project_store.lock().await;
+        Ok(ps
+            .get(&query.project_id.to_string())
+            .ok_or(anyhow::anyhow!("could not find project"))?
+            .clone())
+    }
+    async fn get_projects(&self, context: &Context) -> anyhow::Result<Vec<ProjectDto>> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        Ok(self
+            .project_store
+            .lock()
+            .await
+            .values()
+            .filter(|p| p.user_id == user_id)
+            .cloned()
+            .collect::<_>())
+    }
+
+    async fn create_project(
+        &self,
+        context: &Context,
+        mutation: CreateProjectMutation,
+    ) -> anyhow::Result<ProjectDto> {
+        let user_id = context.get_user_id().ok_or(anyhow::anyhow!("no user id"))?;
+
+        let mut ps = self.project_store.lock().await;
+        let project = ProjectDto {
+            id: uuid::Uuid::new_v4(),
+            name: mutation.name,
+            description: None,
+            user_id,
+        };
+
+        ps.insert(project.id.to_string(), project.clone());
+        Ok(project)
+    }
+}

crates/como_infrastructure/src/services/user_service.rs

@@ -0,0 +1,95 @@
+use argon2::{password_hash::SaltString, Argon2, PasswordHash, PasswordHasher, PasswordVerifier};
+use axum::async_trait;
+use como_core::users::UserService;
+use como_domain::Context;
+use rand_core::OsRng;
+
+use crate::database::ConnectionPool;
+
+pub struct DefaultUserService {
+    pool: ConnectionPool,
+}
+
+impl DefaultUserService {
+    pub fn new(pool: ConnectionPool) -> Self {
+        Self { pool }
+    }
+
+    fn hash_password(&self, _context: &Context, password: String) -> anyhow::Result<String> {
+        let salt = SaltString::generate(&mut OsRng);
+        let argon2 = Argon2::default();
+
+        let password_hash = argon2
+            .hash_password(password.as_bytes(), &salt)
+            .map_err(|e| anyhow::anyhow!(e))?
+            .to_string();
+
+        Ok(password_hash)
+    }
+
+    fn validate_password(
+        &self,
+        _context: &Context,
+        password: String,
+        hashed_password: String,
+    ) -> anyhow::Result<bool> {
+        let argon2 = Argon2::default();
+
+        let parsed_hash = PasswordHash::new(&hashed_password).map_err(|e| anyhow::anyhow!(e))?;
+        match argon2.verify_password(password.as_bytes(), &parsed_hash) {
+            Ok(..) => Ok(true),
+            Err(..) => Ok(false),
+        }
+    }
+}
+
+#[async_trait]
+impl UserService for DefaultUserService {
+    async fn add_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<String> {
+        let hashed_password = self.hash_password(context, password)?;
+
+        let rec = sqlx::query!(
+            r#"
+            INSERT INTO users (username, password_hash) 
+            VALUES ( $1, $2 ) 
+            RETURNING id
+            "#,
+            username,
+            hashed_password
+        )
+        .fetch_one(&self.pool)
+        .await?;
+
+        Ok(rec.id.to_string())
+    }
+
+    async fn validate_user(
+        &self,
+        context: &Context,
+        username: String,
+        password: String,
+    ) -> anyhow::Result<Option<String>> {
+        let rec = sqlx::query!(
+            r#"
+            SELECT * from users
+            where username=$1
+            "#,
+            username,
+        )
+        .fetch_optional(&self.pool)
+        .await?;
+
+        match rec {
+            Some(user) => match self.validate_password(context, password, user.password_hash)? {
+                true => Ok(Some(user.id.to_string())),
+                false => Ok(None),
+            },
+            None => Ok(None),
+        }
+    }
+}