Adding in diesel with basic tutorial for library in db

.gitignore

@@ -1 +1,3 @@
 /target
+db.sqlite
+.env

Cargo.lock

@@ -74,6 +74,12 @@ dependencies = [
  "system-deps",
 ]
 
+[[package]]
+name = "cc"
+version = "1.0.79"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "50d30906286121d95be3d479533b458f87493b30a4b5f79a607db8f5d11aa91f"
+
 [[package]]
 name = "cfg-expr"
 version = "0.15.2"
@@ -99,6 +105,44 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "diesel"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f7a532c1f99a0f596f6960a60d1e119e91582b24b39e2d83a190e61262c3ef0c"
+dependencies = [
+ "diesel_derives",
+ "libsqlite3-sys",
+ "time",
+]
+
+[[package]]
+name = "diesel_derives"
+version = "2.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "74398b79d81e52e130d991afeed9c86034bb1b7735f46d2f5bf7deb261d80303"
+dependencies = [
+ "diesel_table_macro_syntax",
+ "proc-macro2",
+ "quote",
+ "syn 2.0.18",
+]
+
+[[package]]
+name = "diesel_table_macro_syntax"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fc5557efc453706fed5e4fa85006fe9817c224c3f480a34c7e5959fd700921c5"
+dependencies = [
+ "syn 2.0.18",
+]
+
+[[package]]
+name = "dotenvy"
+version = "0.15.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1aaf95b3e5c8f23aa320147307562d361db0ae0d51242340f558153b4eb2439b"
+
 [[package]]
 name = "field-offset"
 version = "0.3.6"
@@ -612,6 +656,17 @@ version = "0.2.146"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f92be4933c13fd498862a9e02a3055f8a8d9c039ce33db97306fd5a6caa7f29b"
 
+[[package]]
+name = "libsqlite3-sys"
+version = "0.26.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "afc22eff61b133b115c6e8c74e818c628d6d5e7a502afea6f64dee076dd94326"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "lock_api"
 version = "0.4.10"
@@ -896,7 +951,10 @@ dependencies = [
 name = "sample-amp"
 version = "0.1.0"
 dependencies = [
+ "diesel",
+ "dotenvy",
  "gtk4",
+ "libsqlite3-sys",
  "relm4",
  "relm4-components",
  "relm4-icons",
@@ -1045,6 +1103,33 @@ dependencies = [
  "syn 2.0.18",
 ]
 
+[[package]]
+name = "time"
+version = "0.3.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ea9e1b3cf1243ae005d9e74085d4d542f3125458f3a81af210d901dcd7411efd"
+dependencies = [
+ "itoa",
+ "serde",
+ "time-core",
+ "time-macros",
+]
+
+[[package]]
+name = "time-core"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7300fbefb4dadc1af235a9cef3737cea692a9d97e1b9cbcd4ebdae6f8868e6fb"
+
+[[package]]
+name = "time-macros"
+version = "0.2.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "372950940a5f07bf38dbe211d7283c9e6d7327df53794992d293e534c733d09b"
+dependencies = [
+ "time-core",
+]
+
 [[package]]
 name = "tokio"
 version = "1.28.2"
@@ -1149,6 +1234,12 @@ version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b15811caf2415fb889178633e7724bad2509101cde276048e013b9def5e51fa0"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version-compare"
 version = "0.1.1"

Cargo.toml

@@ -9,4 +9,7 @@ edition = "2021"
 gtk = { version = "0.6.6", package = "gtk4" }
 relm4 = { version = "0.6.0", features = ["libadwaita"] }
 relm4-components = "0.6.0"
-relm4-icons = { version = "0.6.0", features = ["plus", "minus"] }
+relm4-icons = { version = "0.6.0", features = ["plus", "minus"] }
+diesel = { version = "2.1.0", features = ["sqlite", "returning_clauses_for_sqlite_3_35"] }
+libsqlite3-sys = { version = "0.26.0", features = ["bundled"] }
+dotenvy = "0.15"

diesel.toml

@@ -0,0 +1,9 @@
+# For documentation on how to configure this file,
+# see https://diesel.rs/guides/configuring-diesel-cli
+
+[print_schema]
+file = "src/schema.rs"
+custom_type_derives = ["diesel::query_builder::QueryId"]
+
+[migrations_directory]
+dir = "migrations"

migrations/2023-06-12-012955_create_libraries/down.sql

@@ -0,0 +1 @@
+DROP TABLE libraries

migrations/2023-06-12-012955_create_libraries/up.sql

@@ -0,0 +1,4 @@
+CREATE TABLE libraries (
+  id INTEGER PRIMARY KEY AUTOINCREMENT NOT NULL,
+  name VARCHAR NOT NULL
+)

src/bin/create_library.rs

@@ -0,0 +1,18 @@
+use sample_amp::*;
+use std::io::{stdin, stdout, Write};
+
+fn main() {
+    let connection = &mut establish_connection();
+
+    let mut name = String::new();
+
+    print!("Enter a name for the collection > ");
+    stdout().flush().unwrap();
+
+    stdin().read_line(&mut name).unwrap();
+
+    let name = name.trim_end();
+
+    let library = create_library(connection, name);
+    println!("Saved new library: {}, id {}", name, library.id)
+}

src/bin/show_libraries.rs

@@ -0,0 +1,19 @@
+use self::models::*;
+use diesel::prelude::*;
+use sample_amp::*;
+
+fn main() {
+    use self::schema::libraries::dsl::*;
+
+    let connection = &mut establish_connection();
+    let results = libraries
+        .limit(5)
+        .select(Library::as_select())
+        .load(connection)
+        .expect("Error loading libraries");
+
+    println!("Displaying {} libraries", results.len());
+    for lib in results {
+        println!("{}", lib.name)
+    }
+}

src/lib.rs

@@ -0,0 +1,28 @@
+use diesel::prelude::*;
+use dotenvy::dotenv;
+use std::env;
+
+use crate::models::{NewLibrary, Library};
+
+pub mod models;
+pub mod schema;
+
+pub fn establish_connection() -> SqliteConnection {
+    dotenv().ok();
+
+    let database_url = env::var("DATABASE_URL").expect("DATABASE_URL must be set");
+    SqliteConnection::establish(&database_url)
+        .unwrap_or_else(|_| panic!("Error connecting to {}", database_url))
+}
+
+pub fn create_library(conn: &mut SqliteConnection, name: &str) -> Library {
+    use crate::schema::libraries;
+
+    let new_library = NewLibrary { name };
+
+    diesel::insert_into(libraries::table)
+        .values(&new_library)
+        .returning(Library::as_returning())
+        .get_result(conn)
+        .expect("Error saving new post")
+}

src/models.rs

@@ -0,0 +1,16 @@
+use diesel::prelude::*;
+use super::schema::libraries;
+
+#[derive(Queryable, Selectable)]
+#[diesel(table_name = libraries)]
+#[diesel(check_for_backend(diesel::sqlite::Sqlite))]
+pub struct Library {
+    pub id: i32,
+    pub name: String,
+}
+
+#[derive(Insertable)]
+#[diesel(table_name = libraries)]
+pub struct NewLibrary<'a> {
+    pub name: &'a str,
+}

src/schema.rs

@@ -0,0 +1,8 @@
+// @generated automatically by Diesel CLI.
+
+diesel::table! {
+    libraries (id) {
+        id -> Integer,
+        name -> Text,
+    }
+}