From a681cbb7391fa1b1efa8edc47221873ae6846d2f Mon Sep 17 00:00:00 2001
From: chmanie <code@chmanie.com>
Date: Fri, 19 May 2023 15:06:34 +0200
Subject: [PATCH] Add tonic tooling and basic protobuf definitions

---
 Cargo.lock                       | 305 +++++++++++++++++++++++++++++++
 crabidy-core/Cargo.toml          |   5 +-
 crabidy-core/build.rs            |   7 +-
 crabidy-core/proto/crabidy.proto |  35 ++++
 crabidy-core/src/lib.rs          |   2 +
 crabidy-core/src/proto.rs        |   4 +
 6 files changed, 355 insertions(+), 3 deletions(-)
 create mode 100644 crabidy-core/proto/crabidy.proto
 create mode 100644 crabidy-core/src/proto.rs

diff --git a/Cargo.lock b/Cargo.lock
index 226f933..19b6507 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -25,6 +25,12 @@ version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "250f629c0161ad8107cf89319e990051fae62832fd343083bea452d93e2205fd"
 
+[[package]]
+name = "anyhow"
+version = "1.0.71"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c7d0618f0e0b7e8ff11427422b64564d5fb0be1940354bfe2e0529b18a9d9b8"
+
 [[package]]
 name = "ascii"
 version = "0.9.3"
@@ -48,6 +54,51 @@ version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d468802bab17cbc0cc575e9b053f41e72aa36bfa6b7f55e3529ffa43161b97fa"
 
+[[package]]
+name = "axum"
+version = "0.6.18"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f8175979259124331c1d7bf6586ee7e0da434155e4b2d48ec2c8386281d8df39"
+dependencies = [
+ "async-trait",
+ "axum-core",
+ "bitflags",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "hyper",
+ "itoa",
+ "matchit",
+ "memchr",
+ "mime",
+ "percent-encoding",
+ "pin-project-lite",
+ "rustversion",
+ "serde",
+ "sync_wrapper",
+ "tower",
+ "tower-layer",
+ "tower-service",
+]
+
+[[package]]
+name = "axum-core"
+version = "0.3.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "759fa577a247914fd3f7f76d62972792636412fbfd634cd452f6a385a74d2d2c"
+dependencies = [
+ "async-trait",
+ "bytes",
+ "futures-util",
+ "http",
+ "http-body",
+ "mime",
+ "rustversion",
+ "tower-layer",
+ "tower-service",
+]
+
 [[package]]
 name = "base64"
 version = "0.13.1"
@@ -205,7 +256,10 @@ dependencies = [
  "graphql_client",
  "juniper",
  "juniper_subscriptions",
+ "prost",
  "serde",
+ "tonic",
+ "tonic-build",
 ]
 
 [[package]]
@@ -366,6 +420,12 @@ dependencies = [
  "instant",
 ]
 
+[[package]]
+name = "fixedbitset"
+version = "0.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0ce7134b9999ecaf8bcd65542e436736ef32ddca1b3e06094cb6ec5755203b80"
+
 [[package]]
 name = "flume"
 version = "0.10.14"
@@ -696,6 +756,18 @@ dependencies = [
  "want",
 ]
 
+[[package]]
+name = "hyper-timeout"
+version = "0.4.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbb958482e8c7be4bc3cf272a766a2b0bf1a6755e7a6ae777f017a31d11b13b1"
+dependencies = [
+ "hyper",
+ "pin-project-lite",
+ "tokio",
+ "tokio-io-timeout",
+]
+
 [[package]]
 name = "hyper-tls"
 version = "0.5.0"
@@ -762,6 +834,15 @@ version = "2.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "12b6ee2129af8d4fb011108c73d99a1b83a85977f23b82460c0ae2e25bb4b57f"
 
+[[package]]
+name = "itertools"
+version = "0.10.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b0fd2260e829bddf4cb6ea802289de2f86d6a7a690192fbe91b3f46e0f2c8473"
+dependencies = [
+ "either",
+]
+
 [[package]]
 name = "itoa"
 version = "1.0.6"
@@ -856,6 +937,12 @@ dependencies = [
  "cfg-if",
 ]
 
+[[package]]
+name = "matchit"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b87248edafb776e59e6ee64a79086f65890d3510f2c656c000bf2a7e8a0aea40"
+
 [[package]]
 name = "memchr"
 version = "2.5.0"
@@ -880,6 +967,12 @@ dependencies = [
  "windows-sys 0.45.0",
 ]
 
+[[package]]
+name = "multimap"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5ce46fe64a9d73be07dcbe690a38ce1b293be448fd8ce1e6c1b8062c9f72c6a"
+
 [[package]]
 name = "nanorand"
 version = "0.7.0"
@@ -1038,6 +1131,16 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "478c572c3d73181ff3c2539045f6eb99e5491218eae919370993b890cdbdd98e"
 
+[[package]]
+name = "petgraph"
+version = "0.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4dd7d28ee937e54fe3080c91faa1c3a46c06de6252988a7f4592ba2310ef22a4"
+dependencies = [
+ "fixedbitset",
+ "indexmap",
+]
+
 [[package]]
 name = "pin-project"
 version = "1.1.0"
@@ -1082,6 +1185,16 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5b40af805b3121feab8a3c29f04d8ad262fa8e0561883e7653e024ae4479e6de"
 
+[[package]]
+name = "prettyplease"
+version = "0.1.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6c8646e95016a7a6c4adea95bafa8a16baab64b583356217f2c85db4a39d9a86"
+dependencies = [
+ "proc-macro2",
+ "syn 1.0.109",
+]
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -1115,6 +1228,60 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "prost"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0b82eaa1d779e9a4bc1c3217db8ffbeabaae1dca241bf70183242128d48681cd"
+dependencies = [
+ "bytes",
+ "prost-derive",
+]
+
+[[package]]
+name = "prost-build"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "119533552c9a7ffacc21e099c24a0ac8bb19c2a2a3f363de84cd9b844feab270"
+dependencies = [
+ "bytes",
+ "heck",
+ "itertools",
+ "lazy_static",
+ "log",
+ "multimap",
+ "petgraph",
+ "prettyplease",
+ "prost",
+ "prost-types",
+ "regex",
+ "syn 1.0.109",
+ "tempfile",
+ "which",
+]
+
+[[package]]
+name = "prost-derive"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e5d2d8d10f3c6ded6da8b05b5fb3b8a5082514344d56c9f871412d29b4e075b4"
+dependencies = [
+ "anyhow",
+ "itertools",
+ "proc-macro2",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "prost-types"
+version = "0.11.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "213622a1460818959ac1181aaeb2dc9c7f63df720db7d788b3e24eacd1983e13"
+dependencies = [
+ "prost",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.27"
@@ -1191,6 +1358,21 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "regex"
+version = "1.8.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "af83e617f331cc6ae2da5443c602dfa5af81e517212d9d611a5b3ba1777b5370"
+dependencies = [
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.7.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a5996294f19bd3aae0453a862ad728f60e6600695733dd5df01da90c54363a3c"
+
 [[package]]
 name = "reqwest"
 version = "0.11.18"
@@ -1242,6 +1424,12 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "rustversion"
+version = "1.0.12"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4f3208ce4d8448b3f3e7d168a73f5e0c43a61e32930de3bceeccedb388b6bf06"
+
 [[package]]
 name = "ryu"
 version = "1.0.13"
@@ -1448,6 +1636,12 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "sync_wrapper"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2047c6ded9c721764247e62cd3b03c09ffc529b2ba5b10ec482ae507a4a70160"
+
 [[package]]
 name = "tap"
 version = "1.0.1"
@@ -1548,6 +1742,16 @@ dependencies = [
  "windows-sys 0.48.0",
 ]
 
+[[package]]
+name = "tokio-io-timeout"
+version = "1.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "30b74022ada614a1b4834de765f9bb43877f910cc8ce4be40e89042c9223a8bf"
+dependencies = [
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-macros"
 version = "2.1.0"
@@ -1569,6 +1773,17 @@ dependencies = [
  "tokio",
 ]
 
+[[package]]
+name = "tokio-stream"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "397c988d37662c7dda6d2208364a706264bf3d6138b11d436cbac0ad38832842"
+dependencies = [
+ "futures-core",
+ "pin-project-lite",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-util"
 version = "0.7.8"
@@ -1583,6 +1798,73 @@ dependencies = [
  "tracing",
 ]
 
+[[package]]
+name = "tonic"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3082666a3a6433f7f511c7192923fa1fe07c69332d3c6a2e6bb040b569199d5a"
+dependencies = [
+ "async-trait",
+ "axum",
+ "base64 0.21.0",
+ "bytes",
+ "futures-core",
+ "futures-util",
+ "h2",
+ "http",
+ "http-body",
+ "hyper",
+ "hyper-timeout",
+ "percent-encoding",
+ "pin-project",
+ "prost",
+ "tokio",
+ "tokio-stream",
+ "tower",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tonic-build"
+version = "0.9.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a6fdaae4c2c638bb70fe42803a26fbd6fc6ac8c72f5c59f67ecc2a2dcabf4b07"
+dependencies = [
+ "prettyplease",
+ "proc-macro2",
+ "prost-build",
+ "quote",
+ "syn 1.0.109",
+]
+
+[[package]]
+name = "tower"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b8fa9be0de6cf49e536ce1851f987bd21a43b771b09473c3549a6c853db37c1c"
+dependencies = [
+ "futures-core",
+ "futures-util",
+ "indexmap",
+ "pin-project",
+ "pin-project-lite",
+ "rand",
+ "slab",
+ "tokio",
+ "tokio-util",
+ "tower-layer",
+ "tower-service",
+ "tracing",
+]
+
+[[package]]
+name = "tower-layer"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c20c8dbed6283a09604c3e69b4b7eeb54e298b8a600d4d5ecb5ad39de609f1d0"
+
 [[package]]
 name = "tower-service"
 version = "0.3.2"
@@ -1597,9 +1879,21 @@ checksum = "8ce8c33a8d48bd45d624a6e523445fd21ec13d3653cd51f681abf67418f54eb8"
 dependencies = [
  "cfg-if",
  "pin-project-lite",
+ "tracing-attributes",
  "tracing-core",
 ]
 
+[[package]]
+name = "tracing-attributes"
+version = "0.1.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "0f57e3ca2a01450b1a921183a9c9cbfda207fd822cef4ccb00a65402cbba7a74"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.16",
+]
+
 [[package]]
 name = "tracing-core"
 version = "0.1.31"
@@ -1788,6 +2082,17 @@ dependencies = [
  "wasm-bindgen",
 ]
 
+[[package]]
+name = "which"
+version = "4.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2441c784c52b289a054b7201fc93253e288f094e2f4be9058343127c4226a269"
+dependencies = [
+ "either",
+ "libc",
+ "once_cell",
+]
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
diff --git a/crabidy-core/Cargo.toml b/crabidy-core/Cargo.toml
index 12d3a9c..b7f5b8c 100644
--- a/crabidy-core/Cargo.toml
+++ b/crabidy-core/Cargo.toml
@@ -11,8 +11,9 @@ futures = "0.3.28"
 graphql_client = "0.12.0"
 juniper = { git = "https://github.com/graphql-rust/juniper.git", branch = "master" }
 juniper_subscriptions = { git = "https://github.com/graphql-rust/juniper.git", branch = "master" }
+prost = "0.11"
 serde = "1.0.163"
-# juniper = { version = "0.16.0", features = ["serde_json"] }
+tonic = "0.9"
 
 [build-dependencies]
 async-trait = "0.1.68"
@@ -21,4 +22,4 @@ graphql_client = "0.12.0"
 juniper = { git = "https://github.com/graphql-rust/juniper.git", branch = "master" }
 juniper_subscriptions = { git = "https://github.com/graphql-rust/juniper.git", branch = "master" }
 serde = "1.0.163"
-# juniper = { version = "0.16.0", features = ["serde_json"] }
+tonic-build = "0.9"
diff --git a/crabidy-core/build.rs b/crabidy-core/build.rs
index 3f77842..4c00549 100644
--- a/crabidy-core/build.rs
+++ b/crabidy-core/build.rs
@@ -5,7 +5,8 @@ use std::io::prelude::*;
 #[path = "src/lib.rs"]
 mod lib;
 
-fn main() {
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    // --- OLD JUNIPER STUFF ---
     // let (res, _errors) = juniper::introspect(
     //     &lib::Schema::new(
     //         lib::ItemList::new(),
@@ -29,4 +30,8 @@ fn main() {
 
     let mut file = File::create("src/schema.graphql").unwrap();
     file.write_all(schema_str.as_bytes()).unwrap();
+
+    // --- NEW TONIC STUFF ---
+    tonic_build::compile_protos("proto/crabidy.proto")?;
+    Ok(())
 }
diff --git a/crabidy-core/proto/crabidy.proto b/crabidy-core/proto/crabidy.proto
new file mode 100644
index 0000000..7b95149
--- /dev/null
+++ b/crabidy-core/proto/crabidy.proto
@@ -0,0 +1,35 @@
+syntax = "proto3";
+package crabidy;
+
+service Library {
+  rpc GetLibraryNode (LibraryNodeRequest) returns (LibraryNodeResponse);
+}
+
+// To signal whether it's loading data (for frontend only probably)
+enum LibraryNodeState {
+  LIBRARY_NODE_STATE_UNSPECIFIED = 0;
+  LIBRARY_NODE_STATE_PENDING = 1;
+  LIBRARY_NODE_STATE_DONE = 2;
+}
+
+message Track {
+  // Including provider
+  string uuid = 1;
+  string artist = 2;
+  string title = 3;
+}
+
+message LibraryNodeRequest {
+  string uuid = 1;
+}
+
+message LibraryNodeResponse {
+  // Including provider
+  string uuid = 1;
+  string name = 2;
+  repeated string children = 3;
+  optional string parent = 4;
+  LibraryNodeState state = 5;
+  repeated Track tracks = 6;
+  bool is_queable = 7;
+}
diff --git a/crabidy-core/src/lib.rs b/crabidy-core/src/lib.rs
index e15967e..93cb3d1 100644
--- a/crabidy-core/src/lib.rs
+++ b/crabidy-core/src/lib.rs
@@ -1,3 +1,5 @@
+pub mod proto;
+
 use async_trait::async_trait;
 use futures::Stream;
 use juniper::{
diff --git a/crabidy-core/src/proto.rs b/crabidy-core/src/proto.rs
new file mode 100644
index 0000000..e2b88c7
--- /dev/null
+++ b/crabidy-core/src/proto.rs
@@ -0,0 +1,4 @@
+pub mod crabidy {
+    // The string specified here must match the proto package name
+    tonic::include_proto!("crabidy");
+}