Splitting all types into types directory

server/src/types/comment.rs

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+use serde::{Deserialize, Serialize};
+
+/// The comment as it is received from the client
+#[derive(Debug, Serialize, Deserialize)]
+pub struct NewComment {
+    pub parent_post_id: i64,
+    pub parent_comment_id: Option<i64>,
+    pub user_token: String,
+    pub content: String,
+}
+
+/// The comment as it is stored in the database, with all the related metadata
+/// This is also the comment as it is sent to the client
+#[derive(Debug, Serialize, Deserialize, Clone, sqlx::FromRow)]
+pub struct Comment {
+    pub id: i64,
+    pub parent_post_id: i64,
+    pub parent_comment_id: Option<i64>,
+    pub author_user_id: i64,
+    pub upvotes: i64,
+    pub downvotes: i64,
+    pub content: String,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+/// Query parameters for the /comments endpoint
+#[derive(Debug, Serialize, Deserialize)]
+pub struct CommentQueryParams {
+    pub post_id: i64,
+    pub limit: Option<i64>,
+    pub offset: Option<i64>,
+}

server/src/types/mod.rs

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+mod comment;
+mod post;
+mod user;
+
+pub use comment::*;
+pub use post::*;
+pub use user::*;

server/src/types/post.rs

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+use serde::{Deserialize, Serialize};
+use sqlx::FromRow;
+
+// The post as it is received from the client
+// The token is used to identify the user
+#[derive(Debug, Serialize, Deserialize)]
+pub struct NewPost {
+    pub content: String,
+    pub token: String,
+}
+
+// The post as it is stored in the database, with all the related metadata
+#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
+pub struct Post {
+    pub id: i64,
+    pub user_id: i64,
+    pub content: String,
+    pub upvotes: i64,
+    pub downvotes: i64,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+// These look like /posts?limit=10&offset=20 in the URL
+// Note that these are optional
+/// Query parameters for the /posts endpoint
+#[derive(Debug, Serialize, Deserialize)]
+pub struct PostQueryParams {
+    pub limit: Option<i64>,
+    pub offset: Option<i64>,
+}

server/src/types/user.rs

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+use serde::{Deserialize, Serialize};
+use sqlx::FromRow;
+
+/// The user as it is stored in the database, with all the related metadata
+#[derive(Debug, Serialize, Deserialize, Clone, FromRow)]
+pub struct User {
+    pub id: i64,
+    pub username: String,
+    pub password: String,
+    pub created_at: chrono::NaiveDateTime,
+    pub updated_at: chrono::NaiveDateTime,
+}
+
+/// The data recieved from the login form
+#[derive(Debug, Serialize, Deserialize)]
+pub struct LoginData {
+    pub username: String,
+    pub password: String,
+}
+
+/// The data recieved from the registration form
+#[derive(Debug, Serialize, Deserialize)]
+pub struct RegisterData {
+    pub username: String,
+    pub password: String,
+    pub captcha: String,
+}
+
+/// The response sent to the client after a successful login or registration
+#[derive(Debug, Serialize, Deserialize)]
+pub struct AuthResponse {
+    pub username: String,
+    pub token: String,
+}
+
+/// Data sent to the client to render the captcha
+/// The captcha_id is used to identify the captcha in the database
+#[derive(Debug, Serialize, Deserialize)]
+pub struct CaptchaResponse {
+    pub captcha_svg: String,
+    pub captcha_id: i32,
+}