implemented get_path_by_id and get_all_paths

.envrc

@@ -0,0 +1,10 @@
+export DIRENV_WARN_TIMEOUT=20s
+
+eval "$(devenv direnvrc)"
+
+# `use devenv` supports the same options as the `devenv shell` command.
+#
+# To silence the output, use `--quiet`.
+#
+# Example usage: use devenv --quiet --impure --option services.postgres.enable:bool true
+use devenv

.gitignore

@@ -22,3 +22,13 @@ dist-ssr
 *.njsproj
 *.sln
 *.sw?
+# Devenv
+.devenv*
+devenv.local.nix
+devenv.local.yaml
+
+# direnv
+.direnv
+
+# pre-commit
+.pre-commit-config.yaml

devenv.lock

@@ -0,0 +1,103 @@
+{
+  "nodes": {
+    "devenv": {
+      "locked": {
+        "dir": "src/modules",
+        "lastModified": 1761343822,
+        "owner": "cachix",
+        "repo": "devenv",
+        "rev": "679d2951cee2d09da3c732d00b320ce752d21ee0",
+        "type": "github"
+      },
+      "original": {
+        "dir": "src/modules",
+        "owner": "cachix",
+        "repo": "devenv",
+        "type": "github"
+      }
+    },
+    "flake-compat": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1747046372,
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "rev": "9100a0f413b0c601e0533d1d94ffd501ce2e7885",
+        "type": "github"
+      },
+      "original": {
+        "owner": "edolstra",
+        "repo": "flake-compat",
+        "type": "github"
+      }
+    },
+    "git-hooks": {
+      "inputs": {
+        "flake-compat": "flake-compat",
+        "gitignore": "gitignore",
+        "nixpkgs": [
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1760663237,
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "rev": "ca5b894d3e3e151ffc1db040b6ce4dcc75d31c37",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "repo": "git-hooks.nix",
+        "type": "github"
+      }
+    },
+    "gitignore": {
+      "inputs": {
+        "nixpkgs": [
+          "git-hooks",
+          "nixpkgs"
+        ]
+      },
+      "locked": {
+        "lastModified": 1709087332,
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "rev": "637db329424fd7e46cf4185293b9cc8c88c95394",
+        "type": "github"
+      },
+      "original": {
+        "owner": "hercules-ci",
+        "repo": "gitignore.nix",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1758532697,
+        "owner": "cachix",
+        "repo": "devenv-nixpkgs",
+        "rev": "207a4cb0e1253c7658c6736becc6eb9cace1f25f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "cachix",
+        "ref": "rolling",
+        "repo": "devenv-nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "devenv": "devenv",
+        "git-hooks": "git-hooks",
+        "nixpkgs": "nixpkgs",
+        "pre-commit-hooks": [
+          "git-hooks"
+        ]
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

devenv.nix

@@ -0,0 +1,32 @@
+{
+  pkgs,
+  lib,
+  config,
+  ...
+}:
+{
+  # https://devenv.sh/languages/
+  languages = {
+    rust.enable = true;
+    javascript.enable = true;
+  };
+
+  # https://devenv.sh/packages/
+  packages = [
+    pkgs.nodejs
+    pkgs.yarn
+    pkgs.wabt # Wasm dependencies for Tauri
+    pkgs.glib
+    pkgs.gtk3
+    pkgs.webkitgtk_4_1
+    pkgs.zed-editor
+    pkgs.openssl_3
+    # pkgs.webkitgtk # Linux Tauri dependency (Webview2 is the one used on Widnows)
+  ];
+
+    enterShell = ''
+      zsh
+      exit
+    '';
+}
+

devenv.yaml

@@ -0,0 +1,15 @@
+# yaml-language-server: $schema=https://devenv.sh/devenv.schema.json
+inputs:
+  nixpkgs:
+    url: github:cachix/devenv-nixpkgs/rolling
+
+# If you're using non-OSS software, you can set allowUnfree to true.
+# allowUnfree: true
+
+# If you're willing to use a package that's vulnerable
+# permittedInsecurePackages:
+#  - "openssl-1.1.1w"
+
+# If you have more than one devenv you can merge them
+#imports:
+# - ./backend

flake.lock

@@ -0,0 +1,100 @@
+{
+  "nodes": {
+    "fenix": {
+      "inputs": {
+        "nixpkgs": [
+          "nixpkgs"
+        ],
+        "rust-analyzer-src": "rust-analyzer-src"
+      },
+      "locked": {
+        "lastModified": 1756795219,
+        "narHash": "sha256-tKBQtz1JLKWrCJUxVkHKR+YKmVpm0KZdJdPWmR2slQ8=",
+        "owner": "nix-community",
+        "repo": "fenix",
+        "rev": "80dbdab137f2809e3c823ed027e1665ce2502d74",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-community",
+        "repo": "fenix",
+        "type": "github"
+      }
+    },
+    "flake-utils": {
+      "inputs": {
+        "systems": "systems"
+      },
+      "locked": {
+        "lastModified": 1731533236,
+        "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=",
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b",
+        "type": "github"
+      },
+      "original": {
+        "owner": "numtide",
+        "repo": "flake-utils",
+        "type": "github"
+      }
+    },
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1756819007,
+        "narHash": "sha256-12V64nKG/O/guxSYnr5/nq1EfqwJCdD2+cIGmhz3nrE=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "aaff8c16d7fc04991cac6245bee1baa31f72b1e1",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "fenix": "fenix",
+        "flake-utils": "flake-utils",
+        "nixpkgs": "nixpkgs"
+      }
+    },
+    "rust-analyzer-src": {
+      "flake": false,
+      "locked": {
+        "lastModified": 1756597274,
+        "narHash": "sha256-wfaKRKsEVQDB7pQtAt04vRgFphkVscGRpSx3wG1l50E=",
+        "owner": "rust-lang",
+        "repo": "rust-analyzer",
+        "rev": "21614ed2d3279a9aa1f15c88d293e65a98991b30",
+        "type": "github"
+      },
+      "original": {
+        "owner": "rust-lang",
+        "ref": "nightly",
+        "repo": "rust-analyzer",
+        "type": "github"
+      }
+    },
+    "systems": {
+      "locked": {
+        "lastModified": 1681028828,
+        "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=",
+        "owner": "nix-systems",
+        "repo": "default",
+        "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e",
+        "type": "github"
+      },
+      "original": {
+        "owner": "nix-systems",
+        "repo": "default",
+        "type": "github"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,111 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+    flake-utils.url = "github:numtide/flake-utils";
+    fenix.url = "github:nix-community/fenix";
+    fenix.inputs.nixpkgs.follows = "nixpkgs";
+  };
+
+  outputs = {
+    self,
+    nixpkgs,
+    flake-utils,
+    fenix,
+  }:
+    flake-utils.lib.eachDefaultSystem (system: let
+      pkgs = import nixpkgs {
+        system = system;
+        config.allowUnfree = true;
+        # config.android_sdk.accept_license = true;
+      };
+
+      # android_sdk =
+      #   (pkgs.androidenv.composeAndroidPackages {
+      #     platformVersions = ["34"];
+      #     ndkVersions = ["26.3.11579264"];
+      #     includeNDK = true;
+      #     useGoogleAPIs = false;
+      #     useGoogleTVAddOns = false;
+      #     includeEmulator = false;
+      #     includeSystemImages = false;
+      #     includeSources = false;
+      #   })
+      #   .androidsdk;
+
+      packages = with pkgs; [
+        curl
+        wget
+        pkg-config
+
+        nodejs_20
+        # typescript-language-server
+        # vtsls
+        # vue-language-server
+        
+        zed-editor
+        # (vscode-with-extensions.override {
+        #   # vscode = vscodium;
+        #   vscodeExtensions = with vscode-extensions; [
+        #     vscodevim.vim
+        #     vue.volar
+        #     catppuccin.catppuccin-vsc
+        #     github.copilot
+        #     github.copilot-chat
+        #     tauri-apps.tauri-vscode
+        #     rust-lang.rust-analyzer
+        #   ] ++ pkgs.vscode-utils.extensionsFromVscodeMarketplace [
+        #     # {
+        #     #   name = "vscode-arduino-community";
+        #     #   publisher = "vscode-arduino";
+        #     #   version = "0.7.2";
+        #     #   sha256 = "/HdPJ6LBnyPhz7jeJ0MLRXO2L3bcAzM7J65nKsXsacY=";
+        #     # }
+        #   ];
+        # })
+
+        (with fenix.packages.${system};
+          combine [
+            complete.rustc
+            complete.cargo
+            complete.clippy
+            # targets.aarch64-linux-android.latest.rust-std
+            # targets.armv7-linux-androideabi.latest.rust-std
+            # targets.i686-linux-android.latest.rust-std
+            targets.x86_64-linux-android.latest.rust-std
+          ])
+        rust-analyzer
+        sqlx-cli
+
+        # android_sdk
+        jdk
+      ];
+
+      libraries = with pkgs; [
+        gtk3
+        libsoup_3
+        webkitgtk_4_1
+        cairo
+        gdk-pixbuf
+        glib
+        dbus
+        openssl
+        librsvg
+      ];
+    in {
+      devShell = pkgs.mkShell {
+        buildInputs = packages ++ libraries;
+
+        shellHook = ''
+          zsh 
+
+          exit
+        '';
+
+        LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath libraries}:$LD_LIBRARY_PATH";
+        XDG_DATA_DIRS = "${pkgs.gsettings-desktop-schemas}/share/gsettings-schemas/${pkgs.gsettings-desktop-schemas.name}:${pkgs.gtk3}/share/gsettings-schemas/${pkgs.gtk3.name}:$XDG_DATA_DIRS";
+        # ANDROID_HOME = "${android_sdk}/libexec/android-sdk";
+        # NDK_HOME = "${android_sdk}/libexec/android-sdk/ndk/26.3.11579264";
+        # GRADLE_OPTS = "-Dorg.gradle.project.android.aapt2FromMavenOverride=${android_sdk}/libexec/android-sdk/build-tools/34.0.0/aapt2";
+      };
+    });
+}

src-tauri/src/lib.rs

@@ -2,6 +2,9 @@
 use sqlx::{migrate::MigrateDatabase, sqlite::SqlitePoolOptions, Pool, Sqlite};
 use tauri::{App, Manager};
 
+mod repositories;
+mod models;
+
 // #[tauri::command]
 // fn greet(name: &str) -> String {
 //     format!("Hello, {}! You've been greeted from Rust!", name)
@@ -69,7 +72,7 @@ pub fn run() {
         ])
         .setup(|app| {
             tauri::async_runtime::block_on(async move {
-                let db = setup_db(&app).await;
+                let db = setup_db(app).await;
  
                 app.manage(AppState { db });
             });

src-tauri/src/models/exercise.rs

@@ -0,0 +1,6 @@
+pub struct Exercise {
+    id: u16,
+    ex_type: String,
+    content: String,
+    node_id: u32
+}

src-tauri/src/models/mod.rs

@@ -0,0 +1,3 @@
+pub mod path;
+pub mod node;
+pub mod exercise;

src-tauri/src/models/node.rs

@@ -0,0 +1,6 @@
+pub struct Node {
+    id: u32,
+    title: String,
+    description: String,
+    path_id: String
+}

src-tauri/src/models/path.rs

@@ -0,0 +1,12 @@
+
+#[derive(Debug, sqlx::FromRow)]
+pub struct Path {
+    id: String,
+    title: String,
+    description: String,
+}
+
+pub struct PathVersions {
+    path_id: String,
+    version_number: String,
+}

src-tauri/src/repositories/mod.rs

@@ -0,0 +1 @@
+pub mod path_repository;

src-tauri/src/repositories/path_repository.rs

@@ -1,11 +1,43 @@
-use sqlx::sqlite::{SqlitePool};
+use sqlx::{pool, sqlite::SqlitePool, FromRow};
+
+use crate::models::path::Path;
 
 pub struct PathRepository<'a> {
     pub pool: &'a SqlitePool,
 }
 
 impl<'a> PathRepository<'a> {
-    pub fn get_path_by_id(&self, id: i32) -> Result<Path>{
+    pub async fn get_path_by_id(&self, id: i32) -> Result<Path, String> {
+        let result = sqlx::query("SELECT * FROM path WHERE id = ?")
+            .bind(id)
+            .fetch_all(self.pool)
+            .await
+            .map_err(|e| format!("ERROR: Failed to query Path db: {} ", e))
+            .unwrap();
 
+        if result.len() > 1 {
+            return Err(format!("ERROR: Multiple paths for ID {} found", id));
+        } else if result.is_empty(){
+            return Err(format!("ERROR: No Path with ID {} found", id));
+        }
+
+        let path = match result.first() {
+                Some(p) => match Path::from_row(p) {
+                    Ok(p) => {p},
+                    Err(e) => {return Err(format!("ERROR: Could not parse Path: {}", e));},
+                },
+            None => return Err(format!("ERROR: No path for ID {} found", id)),
+        };
+
+        Ok(path)
     }
-}
+
+    pub async fn get_all_paths(&self) -> Result<Vec<Path>, String> {
+        let rows = sqlx::query_as::<_, Path>("SELECT * FROM paths")
+            .fetch_all(self.pool)
+            .await
+            .map_err(|e| e.to_string())?;
+
+        Ok(rows)
+    }
+}