Use persistant_fields

src/forms.rs

@@ -1,13 +1,21 @@
 use serde::Deserialize;
 
+/// Fields of the contact form that persist after a redirection
+/// (example after failed server side validation).
+#[derive(Deserialize, Default)]
+pub struct PersistantContactFormFields {
+    pub name: String,
+    pub email: String,
+    pub telefon: String,
+    pub message: String,
+}
+
 /// The contact form.
 #[derive(Deserialize)]
 pub struct ContactForm {
     /// The id for the captcha.
     pub id: u16,
-    pub name: String,
-    pub email: String,
-    pub telefon: String,
-    pub message: String,
+    #[serde(flatten)]
+    pub persistant_fields: PersistantContactFormFields,
     pub captcha_answer: String,
 }

src/routes.rs

@@ -8,18 +8,19 @@ use std::sync::{Arc, Mutex};
 use tracing::{error, info};
 
 use crate::{
-    captcha_solutions::CaptchaSolutions, config::Config, errors::AppError, forms::ContactForm,
-    mailer::Mailer, templates,
+    captcha_solutions::CaptchaSolutions,
+    config::Config,
+    errors::AppError,
+    forms::{ContactForm, PersistantContactFormFields},
+    mailer::Mailer,
+    templates,
 };
 
-pub struct IndexParams<'a> {
+pub struct ContactFormParams<'a> {
     config: Arc<Config>,
     captcha_solutions: Arc<Mutex<CaptchaSolutions>>,
     was_validated: bool,
-    name: Option<String>,
-    email: Option<String>,
-    telefon: Option<String>,
-    message: Option<String>,
+    persistant_fields: Option<PersistantContactFormFields>,
     error_message: Option<&'a str>,
 }
 
@@ -29,20 +30,17 @@ pub async fn index(
 ) -> Result<Response, AppError> {
     info!("Visited get(index)");
 
-    render_contact_form(IndexParams {
+    render_contact_form(ContactFormParams {
         config,
         captcha_solutions,
         was_validated: false,
-        name: None,
-        email: None,
-        telefon: None,
-        message: None,
+        persistant_fields: None,
         error_message: None,
     })
     .await
 }
 
-pub async fn render_contact_form(params: IndexParams<'_>) -> Result<Response, AppError> {
+pub async fn render_contact_form(params: ContactFormParams<'_>) -> Result<Response, AppError> {
     let captcha = captcha::by_name(captcha::Difficulty::Easy, captcha::CaptchaName::Lucy);
     let captcha_base64 = captcha.as_base64().context("Failed to create a captcha!")?;
 
@@ -57,10 +55,7 @@ pub async fn render_contact_form(params: IndexParams<'_>) -> Result<Response, Ap
         },
         was_validated: params.was_validated,
         id,
-        name: params.name.unwrap_or_default(),
-        email: params.email.unwrap_or_default(),
-        telefon: params.telefon.unwrap_or_default(),
-        message: params.message.unwrap_or_default(),
+        persistant_fields: params.persistant_fields.unwrap_or_default(),
         captcha: captcha_base64,
         error_message: params.error_message.unwrap_or_default(),
         strings: &params.config.strings,
@@ -75,14 +70,11 @@ async fn failed_submission(
     error_message: &str,
     form: ContactForm,
 ) -> Result<Response, AppError> {
-    let params = IndexParams {
+    let params = ContactFormParams {
         config,
         captcha_solutions,
         was_validated: true,
-        name: Some(form.name),
-        email: Some(form.email),
-        telefon: Some(form.telefon),
-        message: Some(form.message),
+        persistant_fields: Some(form.persistant_fields),
         error_message: Some(error_message),
     };
 
@@ -113,7 +105,12 @@ pub async fn submit(
     }
 
     match mailer
-        .send(&form.name, &form.email, &form.telefon, &form.message)
+        .send(
+            &form.persistant_fields.name,
+            &form.persistant_fields.email,
+            &form.persistant_fields.telefon,
+            &form.persistant_fields.message,
+        )
         .await
     {
         Ok(_) => (),

src/templates.rs

@@ -1,6 +1,6 @@
 use askama::Template;
 
-use crate::config;
+use crate::{config, forms::PersistantContactFormFields};
 
 pub struct Base<'a> {
     pub lang: &'a str,
@@ -13,10 +13,7 @@ pub struct ContactForm<'a> {
     pub base: Base<'a>,
     pub was_validated: bool,
     pub id: u16,
-    pub name: String,
-    pub email: String,
-    pub telefon: String,
-    pub message: String,
+    pub persistant_fields: PersistantContactFormFields,
     pub captcha: String,
     pub error_message: &'a str,
     pub strings: &'a config::Strings,

templates/contact_form.askama.html

@@ -16,7 +16,7 @@
             <label for="name" class="form-label">{{ strings.name_field.label }}</label>
             <input type="text"
                    name="name"
-                   value="{{ name }}"
+                   value="{{ persistant_fields.name }}"
                    class="form-control"
                    id="exampleInputEmail1"
                    required>
@@ -26,7 +26,7 @@
             <label for="email" class="form-label">{{ strings.email_field.label }}</label>
             <input type="email"
                    name="email"
-                   value="{{ email }}"
+                   value="{{ persistant_fields.email }}"
                    class="form-control"
                    id="email"
                    required>
@@ -36,7 +36,7 @@
             <label for="telefon" class="form-label">{{ strings.telefon_field_label }}</label>
             <input type="text"
                    name="telefon"
-                   value="{{ telefon }}"
+                   value="{{ persistant_fields.telefon }}"
                    class="form-control"
                    id="telefon">
         </div>
@@ -47,7 +47,7 @@
                       class="form-control"
                       id="message"
                       style="resize: none"
-                      required>{{ message }}</textarea>
+                      required>{{ persistant_fields.message }}</textarea>
             <div class="invalid-feedback">{{ strings.message_field.invalid_feedback }}</div>
         </div>