init commit

.envrc

@@ -0,0 +1 @@
+use flake

.gitignore

@@ -14,3 +14,10 @@ Cargo.lock
 # MSVC Windows builds of rustc generate these, which store debugging information
 *.pdb
 
+
+
+# Added by cargo
+
+/target
+
+.pre-commit-config.yaml

.rustfmt.toml

@@ -0,0 +1,2 @@
+imports_granularity = "Module"
+fn_args_layout = "Vertical"

Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "forex"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+clap = { version = "4.5.4", features = ["derive"] }
+reqwest = { version = "0.12.4", features = ["json"] }
+serde = { version = "1.0.203", features = ["derive"] }
+serde_json = "1.0.117"
+tokio = { version = "1.37.0", features = ["full"] }

flake.lock

@@ -0,0 +1,188 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": "nixpkgs",
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1714544767,
+        "narHash": "sha256-kF1bX+YFMedf1g0PAJYwGUkzh22JmULtj8Rm4IXAQKs=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "73124e1356bde9411b163d636b39fe4804b7ca45",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "ref": "monthly",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1696426674,
+        "narHash": "sha256-kvjfFW7WAETZlt09AgDn1MrtKzP7t90Vf7vypd3OL1U=",
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "0f9255e01c2351cc7d116c072cb317785dd33b33",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "pre-commit-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "narHash": "sha256-HG2cCnktfHsKV0s4XW83gU3F57gaTljL9KNSuG6bnQs=",
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1714253743,
+        "narHash": "sha256-mdTQw2XlariysyScCv2tTE45QSU9v/ezLcHJ22f0Nxc=",
+        "owner": "nixos",
+        "repo": "nixpkgs",
+        "rev": "58a1abdbae3217ca6b702f03d3b35125d88a2994",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nixos",
+        "ref": "nixos-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs-stable": {
+      "locked": {
+        "lastModified": 1710695816,
+        "narHash": "sha256-3Eh7fhEID17pv9ZxrPwCLfqXnYP006RKzSs0JptsN84=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "614b4613980a522ba49f0d194531beddbb7220d3",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixos-23.11",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_2": {
+      "locked": {
+        "lastModified": 1716715802,
+        "narHash": "sha256-usk0vE7VlxPX8jOavrtpOqphdfqEQpf9lgedlY/r66c=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e2dd4e18cc1c7314e24154331bae07df76eb582f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "nixpkgs_3": {
+      "locked": {
+        "lastModified": 1710765496,
+        "narHash": "sha256-p7ryWEeQfMwTB6E0wIUd5V2cFTgq+DRRBz2hYGnJZyA=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "e367f7a1fb93137af22a3908f00b9a35e2d286a7",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "pre-commit-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": "nixpkgs_3",
+        "nixpkgs-stable": "nixpkgs-stable"
+      },
+      "locked": {
+        "lastModified": 1716213921,
+        "narHash": "sha256-xrsYFST8ij4QWaV6HEokCUNIZLjjLP1bYC60K8XiBVA=",
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "rev": "0e8fcc54b842ad8428c9e705cb5994eaf05c26a0",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "pre-commit-hooks.nix",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "nixpkgs": "nixpkgs_2",
+        "pre-commit-hooks": "pre-commit-hooks",
+        "systems": "systems"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1714501997,
+        "narHash": "sha256-g31zfxwUFzkPgX0Q8sZLcrqGmOxwjEZ/iqJjNx4fEGo=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "49e502b277a8126a9ad10c802d1aaa3ef1a280ef",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1689347949,
+        "narHash": "sha256-12tWmuL2zgBgZkdoB6qXZsgJEH9LR3oUgpaQq2RbI80=",
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "rev": "31732fcf5e8fea42e59c2488ad31a0e651500f68",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default-linux",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,79 @@
+{
+  inputs = {
+    systems.url = "github:nix-systems/default-linux";
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    fenix.url = "github:nix-community/fenix/monthly";
+    pre-commit-hooks.url = "github:cachix/pre-commit-hooks.nix";
+  };
+
+  outputs = {
+    self,
+    systems,
+    nixpkgs,
+    fenix,
+    pre-commit-hooks,
+  }: let
+    eachSystem = nixpkgs.lib.genAttrs (import systems);
+    pkgsFor = eachSystem (system:
+      import nixpkgs {
+        localSystem.system = system;
+        overlays = [fenix.overlays.default];
+      });
+  in {
+    packages = eachSystem (system: let
+      pkgs = nixpkgs.legacyPackages.${system};
+      inherit ((builtins.fromTOML (builtins.readFile ./Cargo.toml)).package) version;
+    in {
+      default = pkgsFor.${system}.rustPlatform.buildRustPackage {
+        pname = "forex";
+        version = "${version}";
+
+        src = self;
+
+        cargoLock = {
+          lockFile = ./.;
+        };
+
+        nativeBuildInputs = with pkgs; [pkg-config];
+        buildInputs = with pkgs; [openssl];
+
+        doCheck = false;
+      };
+    });
+    checks = eachSystem (system: {
+      pre-commit-check = pre-commit-hooks.lib.${system}.run {
+        src = ./.;
+        hooks = {
+          # rust
+          rustfmt.enable = true;
+          taplo.enable = true;
+          # nix
+          statix.enable = true;
+          alejandra.enable = true;
+          deadnix.enable = true;
+        };
+      };
+    });
+    devShells = eachSystem (system: {
+      default = pkgsFor.${system}.mkShell {
+        inherit (self.checks.${system}.pre-commit-check) shellHook;
+        packages = with pkgsFor.${system}; [
+          nil
+          alejandra
+          openssl
+          pkg-config
+          (fenix.packages.${system}.complete.withComponents [
+            "cargo"
+            "clippy"
+            "rust-src"
+            "rustc"
+            "rustfmt"
+            "rust-analyzer"
+          ])
+        ];
+        RUST_BACKTRACE = 1;
+        RUST_SRC_PATH = "${fenix.packages.${system}.complete.rust-src}/lib/rustlib/src/rust/library";
+      };
+    });
+  };
+}

src/main.rs

@@ -0,0 +1,52 @@
+use clap::Parser;
+use reqwest::Error;
+use serde::{Deserialize, Serialize};
+
+#[derive(Parser, Debug)]
+#[command(version, about, long_about = None)]
+
+pub struct Args {
+    #[arg(short, long)]
+    app_id: String,
+    #[arg(short, long)]
+    from: String,
+    #[arg(short, long)]
+    to: String,
+}
+
+#[derive(Debug, Deserialize, Serialize)]
+pub struct Payload {
+    base_code: String,
+    target_code: String,
+    conversion_rate: f64,
+}
+
+#[tokio::main]
+async fn main() -> Result<(), Error> {
+    let args = Args::parse();
+    let url = format!(
+        "https://v6.exchangerate-api.com/v6/{}/pair/{}/{}",
+        args.app_id, args.from, args.to
+    );
+
+    let client = reqwest::Client::new();
+
+    match client.get(url).send().await {
+        Ok(response) => {
+            if response.status().is_success() {
+                match response.json::<Payload>().await {
+                    Ok(payload) => {
+                        println!("From: {:?}", payload.base_code);
+                        println!("To: {:?}", payload.target_code);
+                        println!("Rate: {:?}", payload.conversion_rate);
+                    }
+                    Err(e) => panic!("Failed: {}", e),
+                }
+            } else {
+                panic!("Unknown errors have occured!")
+            }
+        }
+        Err(e) => panic!("Request Error: {}", e),
+    }
+    Ok(())
+}

statix.toml

@@ -0,0 +1,3 @@
+disabled = []
+nix_version = '2.4'
+ignore = ['.direnv']