Add basic user auth

src/handlers/signup.rs

@@ -0,0 +1,111 @@
+use axum::response::{IntoResponse, Redirect, Response};
+use axum::{extract::State, Form};
+use maud::html;
+use serde::Deserialize;
+use serde_with::{serde_as, NoneAsEmptyString};
+use sqlx::PgPool;
+
+use crate::error::{Error, Result};
+use crate::models::user::{AuthContext, CreateUser, User};
+use crate::partials::layout::Layout;
+use crate::partials::signup_form::{signup_form, SignupFormProps};
+
+#[serde_as]
+#[derive(Debug, Deserialize)]
+pub struct Signup {
+    pub email: String,
+    pub password: String,
+    pub password_confirmation: String,
+    #[serde_as(as = "NoneAsEmptyString")]
+    pub name: Option<String>,
+}
+
+pub async fn get(layout: Layout) -> Result<Response> {
+    Ok(layout.with_subtitle("signup").render(html! {
+        header {
+            h2 { "Signup" }
+        }
+        (signup_form(SignupFormProps::default()))
+    }))
+}
+
+pub async fn post(
+    State(pool): State<PgPool>,
+    mut auth: AuthContext,
+    Form(signup): Form<Signup>,
+) -> Result<Response> {
+    if signup.password != signup.password_confirmation {
+        // return Err(Error::BadRequest("passwords do not match"));
+        return Ok(signup_form(SignupFormProps {
+            email: Some(signup.email),
+            name: signup.name,
+            password_error: Some("passwords do not match".to_string()),
+            ..Default::default()
+        })
+        .into_response());
+    }
+    let user = match User::create(
+        &pool,
+        CreateUser {
+            email: signup.email.clone(),
+            password: signup.password.clone(),
+            name: signup.name.clone(),
+        },
+    )
+    .await
+    {
+        Ok(user) => user,
+        Err(err) => {
+            if let Error::InvalidEntity(validation_errors) = err {
+                let field_errors = validation_errors.field_errors();
+                dbg!(&validation_errors);
+                dbg!(&field_errors);
+                return Ok(signup_form(SignupFormProps {
+                    email: Some(signup.email),
+                    name: signup.name,
+                    email_error: field_errors.get("email").map(|&errors| {
+                        errors
+                            .iter()
+                            .filter_map(|error| error.message.clone().map(|m| m.to_string()))
+                            .collect::<Vec<String>>()
+                            .join(", ")
+                    }),
+                    name_error: field_errors.get("name").map(|&errors| {
+                        errors
+                            .iter()
+                            .filter_map(|error| error.message.clone().map(|m| m.to_string()))
+                            .collect::<Vec<String>>()
+                            .join(", ")
+                    }),
+                    password_error: field_errors.get("password").map(|&errors| {
+                        errors
+                            .iter()
+                            .filter_map(|error| error.message.clone().map(|m| m.to_string()))
+                            .collect::<Vec<String>>()
+                            .join(", ")
+                    }),
+                    ..Default::default()
+                })
+                .into_response());
+            }
+            if let Error::Sqlx(sqlx::error::Error::Database(db_error)) = &err {
+                if let Some(constraint) = db_error.constraint() {
+                    if constraint == "users_email_idx" {
+                        return Ok(signup_form(SignupFormProps {
+                            email: Some(signup.email),
+                            name: signup.name,
+                            email_error: Some("email already exists".to_string()),
+                            ..Default::default()
+                        })
+                        .into_response());
+                    }
+                }
+            }
+            return Err(err);
+        }
+    };
+    auth.login(&user)
+        .await
+        .map_err(|_| Error::InternalServerError)?;
+    Ok(Redirect::to("/").into_response())
+}