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diff --git a/web/converse/src/models.rs b/web/converse/src/models.rs
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+// Copyright (C) 2018-2021 Vincent Ambo <tazjin@tvl.su>
+//
+// This file is part of Converse.
+//
+// This program is free software: you can redistribute it and/or
+// modify it under the terms of the GNU General Public License as
+// published by the Free Software Foundation, either version 3 of the
+// License, or (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful, but
+// WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+// General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see
+// <https://www.gnu.org/licenses/>.
+
+use crate::schema::{posts, simple_posts, threads, users};
+use chrono::prelude::{DateTime, Utc};
+use diesel::sql_types::{Integer, Text};
+
+/// Represents a single user in the Converse database. Converse does
+/// not handle logins itself, but rather looks them up based on the
+/// email address received from an OIDC provider.
+#[derive(Identifiable, Queryable, Serialize)]
+pub struct User {
+    pub id: i32,
+    pub name: String,
+    pub email: String,
+    pub admin: bool,
+}
+
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(User)]
+pub struct Thread {
+    pub id: i32,
+    pub title: String,
+    pub posted: DateTime<Utc>,
+    pub sticky: bool,
+    pub user_id: i32,
+    pub closed: bool,
+}
+
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(Thread)]
+#[belongs_to(User)]
+pub struct Post {
+    pub id: i32,
+    pub thread_id: i32,
+    pub body: String,
+    pub posted: DateTime<Utc>,
+    pub user_id: i32,
+}
+
+/// This struct is used as the query result type for the simplified
+/// post view, which already joins user information in the database.
+#[derive(Identifiable, Queryable, Serialize, Associations)]
+#[belongs_to(Thread)]
+pub struct SimplePost {
+    pub id: i32,
+    pub thread_id: i32,
+    pub body: String,
+    pub posted: DateTime<Utc>,
+    pub user_id: i32,
+    pub closed: bool,
+    pub author_name: String,
+    pub author_email: String,
+}
+
+/// This struct is used as the query result type for the thread index
+/// view, which lists the index of threads ordered by the last post in
+/// each thread.
+#[derive(Queryable, Serialize)]
+pub struct ThreadIndex {
+    pub thread_id: i32,
+    pub title: String,
+    pub thread_author: String,
+    pub created: DateTime<Utc>,
+    pub sticky: bool,
+    pub closed: bool,
+    pub post_id: i32,
+    pub post_author: String,
+    pub posted: DateTime<Utc>,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "threads"]
+pub struct NewThread {
+    pub title: String,
+    pub user_id: i32,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "users"]
+pub struct NewUser {
+    pub email: String,
+    pub name: String,
+}
+
+#[derive(Deserialize, Insertable)]
+#[table_name = "posts"]
+pub struct NewPost {
+    pub thread_id: i32,
+    pub body: String,
+    pub user_id: i32,
+}
+
+/// This struct models the response of a full-text search query. It
+/// does not use a table/schema definition struct like the other
+/// tables, as no table of this type actually exists.
+#[derive(QueryableByName, Debug, Serialize)]
+pub struct SearchResult {
+    #[sql_type = "Integer"]
+    pub post_id: i32,
+    #[sql_type = "Integer"]
+    pub thread_id: i32,
+    #[sql_type = "Text"]
+    pub author: String,
+    #[sql_type = "Text"]
+    pub title: String,
+
+    /// Headline represents the result of Postgres' ts_headline()
+    /// function, which highlights search terms in the search results.
+    #[sql_type = "Text"]
+    pub headline: String,
+}