repo/sqlite: don't update tas info without changes

Closes #5

.envrc

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

.gitignore

@@ -1,3 +1 @@
 /target
-
-.direnv/

Cargo.lock

@@ -286,6 +286,43 @@ dependencies = [
  "time",
 ]
 
+[[package]]
+name = "ryu"
+version = "1.0.11"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4501abdff3ae82a1c1b477a17252eb69cee9e66eb915c1abaa4f44d873df9f09"
+
+[[package]]
+name = "serde"
+version = "1.0.142"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e590c437916fb6b221e1d00df6e3294f3fccd70ca7e92541c475d6ed6ef5fee2"
+dependencies = [
+ "serde_derive",
+]
+
+[[package]]
+name = "serde_derive"
+version = "1.0.142"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "34b5b8d809babe02f538c2cfec6f2c1ed10804c0e5a6a041a049a4f5588ccc2e"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
+[[package]]
+name = "serde_json"
+version = "1.0.83"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "38dd04e3c8279e75b31ef29dbdceebfe5ad89f4d0937213c53f7d49d01b3d5a7"
+dependencies = [
+ "itoa",
+ "ryu",
+ "serde",
+]
+
 [[package]]
 name = "smallvec"
 version = "1.9.0"
@@ -310,6 +347,8 @@ dependencies = [
  "clap",
  "log",
  "rusqlite",
+ "serde",
+ "serde_json",
  "time",
  "xdg",
 ]

Cargo.toml

@@ -14,6 +14,8 @@ maintenance = { status = "experimental" }
 clap = { version = "3.2.16", default-features = false, features = ["derive", "std"] }
 log = "0.4.17"
 rusqlite = { version = "0.28.0", features = ["bundled", "time"] }
+serde = { version = "1.0.142", features = ["derive"] }
+serde_json = "1.0.83"
 time = "0.3"
 xdg = "2.4.1"
 

database/migrations/202208201623.sql

@@ -1,9 +0,0 @@
-CREATE VIEW finished_tasks
-AS
-SELECT
-  t.*,
-  row_number() OVER (ORDER BY t.finished_at DESC) AS idx
-FROM tasks AS t
-WHERE t.finished_at IS NOT NULL
-ORDER BY t.finished_at DESC
-;

database/schema.sql

@@ -24,13 +24,3 @@ FROM tasks AS t
 WHERE t.finished_at IS NULL
 ORDER BY t.created_at
 ;
-
-CREATE VIEW finished_tasks
-AS
-SELECT
-  t.*,
-  row_number() OVER (ORDER BY t.finished_at DESC) AS idx
-FROM tasks AS t
-WHERE t.finished_at IS NOT NULL
-ORDER BY t.finished_at DESC
-;

default.nix

@@ -1,7 +0,0 @@
-(import (
-  fetchTarball {
-    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
-    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
-) {
-  src =  ./.;
-}).defaultNix

flake.lock

@@ -1,43 +0,0 @@
-{
-  "nodes": {
-    "nixpkgs": {
-      "locked": {
-        "lastModified": 1661008273,
-        "narHash": "sha256-UpDqsGzUswIHG7FwzeIewjWlElF17UVLNbI2pwlbcBY=",
-        "owner": "NixOS",
-        "repo": "nixpkgs",
-        "rev": "0cc6444e74cd21e8da8d81ef4cd778492e10f843",
-        "type": "github"
-      },
-      "original": {
-        "owner": "NixOS",
-        "ref": "nixpkgs-unstable",
-        "repo": "nixpkgs",
-        "type": "github"
-      }
-    },
-    "root": {
-      "inputs": {
-        "nixpkgs": "nixpkgs",
-        "utils": "utils"
-      }
-    },
-    "utils": {
-      "locked": {
-        "lastModified": 1659877975,
-        "narHash": "sha256-zllb8aq3YO3h8B/U0/J1WBgAL8EX5yWf5pMj3G0NAmc=",
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "rev": "c0e246b9b83f637f4681389ecabcb2681b4f3af0",
-        "type": "github"
-      },
-      "original": {
-        "owner": "numtide",
-        "repo": "flake-utils",
-        "type": "github"
-      }
-    }
-  },
-  "root": "root",
-  "version": 7
-}

flake.nix

@@ -1,31 +0,0 @@
-{
-  inputs = {
-    nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
-    utils.url = "github:numtide/flake-utils";
-  };
-
-  outputs = { self, nixpkgs, utils }:
-    utils.lib.eachDefaultSystem (system:
-      let
-        pkgs = import nixpkgs { inherit system; };
-        cargoToml = with builtins; (fromTOML (readFile ./Cargo.toml));
-      in
-      rec {
-        packages.default = pkgs.rustPlatform.buildRustPackage {
-          inherit (cargoToml.package) name version;
-          src = nixpkgs.lib.cleanSource ./.;
-          doCheck = true;
-          cargoLock.lockFile = ./Cargo.lock;
-        };
-
-        apps.default = utils.lib.mkApp {
-          inherit (cargoToml.package) name;
-          drv = packages.default;
-        };
-
-        devShell = with pkgs; mkShell {
-          packages = [ cargo rustc rustfmt clippy rust-analyzer ];
-          RUST_SRC_PATH = rustPlatform.rustLibSrc;
-        };
-      });
-}

makefile

@@ -1,8 +0,0 @@
-
-
-install:
-	cargo install --path .
-
-new-migration:
-	touch ./database/migrations/$$(date +%Y%m%d%H%M).sql
-

shell.nix

@@ -1,7 +0,0 @@
-(import (
-  fetchTarball {
-    url = "https://github.com/edolstra/flake-compat/archive/99f1c2157fba4bfe6211a321fd0ee43199025dbf.tar.gz";
-    sha256 = "0x2jn3vrawwv9xp15674wjz9pixwjyj3j771izayl962zziivbx2"; }
-) {
-  src =  ./.;
-}).shellNix

shell/zsh

@@ -3,19 +3,11 @@ function __tas_task_idx() {
 }
 
 function __tas_show() {
-  tas show $(__tas_task_idx "$1")
+  tas show $(__tas_task_idx "$@")
 }
 
 function __tas_start() {
-  if [[ "$1" != ""  ]]; then
+  tas start $(__tas_task_idx "$@")
-    tas start $(__tas_task_idx "$1")
-  fi
-}
-
-function __tas_remove() {
-  if [[ "$1" != ""  ]]; then
-    tas remove $(__tas_task_idx "$1")
-  fi
 }
 
 function __tas_list() {
@@ -36,11 +28,6 @@ function taz() {
 
     "start" | "st")
       __tas_start "$(__tas_list)"
-      ;;
-
-    "remove" | "rm")
-      __tas_remove "$(__tas_list)"
-      ;;
     
   esac
 }

src/bin/fs_to_sqlite.rs

@@ -0,0 +1,26 @@
+use tas::repo::{self, Repository};
+use xdg::BaseDirectories;
+
+fn main() {
+    let xdg_dirs = BaseDirectories::with_prefix(env!("CARGO_PKG_NAME")).unwrap();
+    let fs_repo = repo::fs::FsRepo::new(xdg_dirs.clone());
+    let tasks = fs_repo.get_tasks().unwrap();
+
+    let sqlite_repo = repo::sqlite::SqliteRepo::new(xdg_dirs).unwrap();
+    for task in tasks {
+        log::info!("task: {}", task.name);
+        log::info!("  inserting...");
+
+        sqlite_repo
+            .insert_task(repo::InsertTaskData {
+                name: task.name,
+                project: task.project,
+                link: task.link,
+                dir_path: task.dir_path,
+                index: None,
+            })
+            .unwrap();
+
+        log::info!("  inserted");
+    }
+}

src/cli/list.rs

@@ -18,26 +18,19 @@ use crate::repo::Repository;
 
 #[derive(clap::Args)]
 pub struct Args {
-    #[clap(short, long)]
-    finished: bool,
-
     projects: Vec<String>,
 }
 
 pub fn execute(repo: impl Repository, args: Args) {
-    let tasks = match repo.get_tasks(args.finished) {
+    let tasks = match repo.get_tasks() {
         Ok(tasks) => tasks,
         Err(err) => return eprintln!("Cannot read tasks: {}", err),
     };
 
-    let cur_task = if args.finished {
+    let cur_task = match repo.get_current_task_opt() {
-        None
+        Ok(cur_task) => cur_task,
-    } else {
+        Err(err) => {
-        match repo.get_current_task_opt() {
+            return eprintln!("Cannot read current task: {}", err);
-            Ok(cur_task) => cur_task,
-            Err(err) => {
-                return eprintln!("Cannot read current task: {}", err);
-            }
         }
     };
 

src/repo.rs

@@ -13,6 +13,7 @@
 //! You should have received a copy of the GNU General Public License
 //! along with tas.  If not, see <https://www.gnu.org/licenses/>.
 //!
+pub mod fs;
 pub mod sqlite;
 
 use std::path::PathBuf;
@@ -68,7 +69,7 @@ pub trait Repository {
 
     fn get_task_opt(&self, id: domain::TaskIdx) -> Result<Option<domain::Task>, Error>;
 
-    fn get_tasks(&self, finished: bool) -> Result<Vec<domain::Task>, Error>;
+    fn get_tasks(&self) -> Result<Vec<domain::Task>, Error>;
 
     fn remove_task(&self, id: domain::TaskIdx) -> Result<domain::Task, Error>;
 

src/repo/fs.rs

@@ -0,0 +1,263 @@
+//! Copyright (C) 2022, Dmitriy Pleshevskiy <dmitriy@ideascup.me>
+//!
+//! tas 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.
+//!
+//! tas 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 tas.  If not, see <https://www.gnu.org/licenses/>.
+//!
+use std::fs::File;
+use std::io::Write;
+use std::path::PathBuf;
+
+use crate::domain;
+use crate::repo::{Error, InsertTaskData, Repository, UpdateTaskData};
+
+use serde::{Deserialize, Serialize};
+use xdg::BaseDirectories;
+
+#[derive(Deserialize, Serialize, Clone)]
+pub struct Task {
+    name: String,
+    group: Option<String>,
+    link: Option<String>,
+    path: Option<String>,
+    // created_at
+}
+
+impl From<Task> for domain::Task {
+    fn from(repo: Task) -> Self {
+        domain::Task {
+            name: repo.name,
+            project: repo.group,
+            link: repo.link,
+            dir_path: repo.path.map(PathBuf::from),
+            created_at: time::OffsetDateTime::now_utc(),
+        }
+    }
+}
+
+#[derive(Deserialize, Serialize, Clone)]
+pub struct CurrentTaskInfo {
+    task_idx: usize,
+    task: Task,
+    // started_at
+}
+
+impl From<CurrentTaskInfo> for domain::CurrentTaskInfo {
+    fn from(repo: CurrentTaskInfo) -> Self {
+        domain::CurrentTaskInfo {
+            task_idx: repo.task_idx,
+            task: repo.task.into(),
+        }
+    }
+}
+
+const CURRENT_TASK_FILE: &str = "current.json";
+const DATA_FILE: &str = "data.json";
+const FINISHED_DATA_FILE: &str = "finished_data.json";
+
+pub struct FsRepo {
+    xdg_dirs: BaseDirectories,
+}
+
+impl FsRepo {
+    pub fn new(xdg_dirs: BaseDirectories) -> Self {
+        Self { xdg_dirs }
+    }
+}
+
+impl Repository for FsRepo {
+    fn get_current_task_opt(&self) -> Result<Option<domain::CurrentTaskInfo>, Error> {
+        self.get_current_task_impl()
+            .map(|cur_task| cur_task.map(From::from))
+    }
+
+    fn get_task_opt(&self, id: domain::TaskIdx) -> Result<Option<domain::Task>, Error> {
+        let tasks = self.get_tasks_impl()?;
+        if id == 0 || id > tasks.len() {
+            return Err(Error::NotFound);
+        }
+
+        Ok(Some(tasks[id - 1].clone().into()))
+    }
+
+    fn get_tasks(&self) -> Result<Vec<domain::Task>, Error> {
+        self.get_tasks_impl()
+            .map(|tasks| tasks.into_iter().map(Task::into).collect())
+    }
+
+    fn remove_task(&self, id: domain::TaskIdx) -> Result<domain::Task, Error> {
+        let mut tasks = self.get_tasks_impl()?;
+        if id == 0 || id > tasks.len() {
+            return Err(Error::NotFound);
+        }
+
+        let removed = tasks.remove(id - 1);
+        self.save_tasks_impl(tasks)?;
+
+        Ok(removed.into())
+    }
+
+    fn update_task(
+        &self,
+        id: domain::TaskIdx,
+        update_data: UpdateTaskData,
+    ) -> Result<domain::Task, Error> {
+        let mut tasks = self.get_tasks_impl()?;
+        if id == 0 || id > tasks.len() {
+            return Err(Error::NotFound);
+        }
+
+        let mut task = &mut tasks[id - 1];
+        if let Some(name) = update_data.name {
+            task.name = name;
+        }
+
+        if let Some(group) = update_data.project {
+            task.group = group;
+        }
+
+        if let Some(link) = update_data.link {
+            task.link = link;
+        }
+
+        if let Some(path) = update_data.dir_path {
+            task.path = path.and_then(|p| p.into_os_string().into_string().ok());
+        }
+
+        let new_task = task.clone();
+
+        self.save_tasks_impl(tasks)?;
+
+        Ok(new_task.into())
+    }
+
+    fn insert_task(&self, insert_data: InsertTaskData) -> Result<domain::Task, Error> {
+        let new_task = Task {
+            name: insert_data.name,
+            group: insert_data.project,
+            link: insert_data.link,
+            path: insert_data
+                .dir_path
+                .and_then(|p| p.into_os_string().into_string().ok()),
+        };
+
+        let mut tasks = self.get_tasks_impl()?;
+
+        match insert_data.index {
+            None => tasks.push(new_task.clone()),
+            Some(idx) => tasks.insert(idx, new_task.clone()),
+        }
+
+        self.save_tasks_impl(tasks)?;
+
+        Ok(new_task.into())
+    }
+
+    fn start_task(&self, id: domain::TaskIdx) -> Result<domain::Task, Error> {
+        let tasks = self.get_tasks_impl()?;
+        if id == 0 || id > tasks.len() {
+            return Err(Error::NotFound);
+        }
+
+        let task = &tasks[id - 1];
+        let mut cur_task = self.get_current_task_impl()?;
+
+        cur_task.replace(CurrentTaskInfo {
+            task_idx: id,
+            task: task.clone(),
+        });
+
+        self.save_current_task_impl(cur_task)?;
+        Ok(task.clone().into())
+    }
+
+    fn stop_task(&self) -> Result<domain::Task, Error> {
+        let mut cur_task = self.get_current_task_impl()?;
+        let old = cur_task.take().ok_or(Error::NotFound)?;
+        self.save_current_task_impl(cur_task)?;
+        Ok(old.task.into())
+    }
+
+    fn finish_task(&self) -> Result<domain::Task, Error> {
+        let mut cur_task = self.get_current_task_impl()?;
+        let old = cur_task.take().ok_or(Error::NotFound)?;
+
+        let mut finished_tasks = self.get_finished_tasks_impl()?;
+        let mut tasks = self.get_tasks_impl()?;
+
+        let task = tasks.remove(old.task_idx - 1);
+        finished_tasks.push(task.clone());
+
+        self.save_current_task_impl(cur_task)?;
+        self.save_tasks_impl(tasks)?;
+        self.save_finished_tasks_impl(finished_tasks)?;
+
+        Ok(task.into())
+    }
+}
+
+impl FsRepo {
+    fn get_current_task_impl(&self) -> Result<Option<CurrentTaskInfo>, Error> {
+        let file_path = self.xdg_dirs.get_data_file(CURRENT_TASK_FILE);
+        Ok(File::open(&file_path)
+            .ok()
+            .and_then(|file| serde_json::from_reader(file).ok()))
+    }
+
+    fn save_current_task_impl(&self, cur_task: Option<CurrentTaskInfo>) -> Result<(), Error> {
+        let file_path = self
+            .xdg_dirs
+            .place_data_file(CURRENT_TASK_FILE)
+            .map_err(|_| Error::InsertData)?;
+        let mut file = File::create(&file_path).map_err(|_| Error::InsertData)?;
+        let new_data = serde_json::to_vec(&cur_task).map_err(|_| Error::InvalidData)?;
+        file.write_all(&new_data).map_err(|_| Error::InsertData)
+    }
+
+    fn get_tasks_impl(&self) -> Result<Vec<Task>, Error> {
+        let file_path = self.xdg_dirs.get_data_file(DATA_FILE);
+        File::open(&file_path)
+            .ok()
+            .map(|file| serde_json::from_reader(file).map_err(|_| Error::InvalidData))
+            .transpose()
+            .map(|tasks| tasks.unwrap_or_default())
+    }
+
+    fn save_tasks_impl(&self, tasks: Vec<Task>) -> Result<(), Error> {
+        let file_path = self
+            .xdg_dirs
+            .place_data_file(DATA_FILE)
+            .map_err(|_| Error::InsertData)?;
+        let mut file = File::create(&file_path).map_err(|_| Error::InsertData)?;
+        let new_data = serde_json::to_vec(&tasks).map_err(|_| Error::InvalidData)?;
+        file.write_all(&new_data).map_err(|_| Error::InsertData)
+    }
+
+    fn get_finished_tasks_impl(&self) -> Result<Vec<Task>, Error> {
+        let file_path = self.xdg_dirs.get_data_file(FINISHED_DATA_FILE);
+        File::open(&file_path)
+            .ok()
+            .map(|file| serde_json::from_reader(file).map_err(|_| Error::InvalidData))
+            .transpose()
+            .map(|tasks| tasks.unwrap_or_default())
+    }
+
+    fn save_finished_tasks_impl(&self, tasks: Vec<Task>) -> Result<(), Error> {
+        let file_path = self
+            .xdg_dirs
+            .place_data_file(FINISHED_DATA_FILE)
+            .map_err(|_| Error::InsertData)?;
+        let mut file = File::create(&file_path).map_err(|_| Error::InsertData)?;
+        let new_data = serde_json::to_vec(&tasks).map_err(|_| Error::InvalidData)?;
+        file.write_all(&new_data).map_err(|_| Error::InsertData)
+    }
+}

src/repo/sqlite.rs

@@ -53,7 +53,7 @@ impl<'r> TryFrom<&'r rusqlite::Row<'_>> for Task {
     }
 }
 
-const SCHEMA_FILE: &str = "tas.db";
+const SCHEMA_FILE: &str = "schema.sql";
 
 pub struct SqliteRepo {
     conn: Connection,
@@ -82,16 +82,11 @@ impl Repository for SqliteRepo {
         self.get_task_opt_impl(id).map(|t| t.map(From::from))
     }
 
-    fn get_tasks(&self, finished: bool) -> Result<Vec<domain::Task>, Error> {
+    fn get_tasks(&self) -> Result<Vec<domain::Task>, Error> {
-        let mut stmt = if finished {
+        let mut stmt = self
-            self.conn
+            .conn
-                .prepare("SELECT * FROM finished_tasks")
+            .prepare("SELECT * FROM active_tasks")
-                .map_err(|_| Error::PrepareQuery)?
+            .map_err(|_| Error::PrepareQuery)?;
-        } else {
-            self.conn
-                .prepare("SELECT * FROM active_tasks")
-                .map_err(|_| Error::PrepareQuery)?
-        };
 
         let rows = stmt
             .query_map([], |row| Task::try_from(row))
@@ -256,16 +251,12 @@ impl SqliteRepo {
 }
 
 macro_rules! run_migration {
-    ($this:ident, $ver:ident = $version:expr) => {
+    ($this:ident, $ver:ident = $version:literal) => {
-        run_migration!($this, $ver = $version => concat!("migrations/", $version));
-    };
-
-    ($this:ident, $ver:ident = $version:expr => $sql_name:expr) => {
         $this
             .conn
             .execute_batch(&format!(
                 "BEGIN; {} COMMIT;",
-                include_str!(concat!("../../database/", $sql_name, ".sql"))
+                include_str!(concat!("../../database/migrations/", $version, ".sql"))
             ))
             .map_err(|_| MigrationError::Upgrade)?;
 
@@ -297,21 +288,17 @@ impl std::fmt::Display for MigrationError {
 
 impl std::error::Error for MigrationError {}
 
-const LATEST_VERSION: i64 = 202208201623;
+const LATEST_VERSION: i64 = 202208162308;
 
 impl SqliteRepo {
     pub fn upgrade(&self) -> Result<(), MigrationError> {
         let mut version = self.version();
-        match version {
+        if version == Some(LATEST_VERSION) {
-            Some(LATEST_VERSION) => return Ok(()),
+            return Ok(());
-            None => {
+        }
-                run_migration!(self, version = LATEST_VERSION => "schema");
+
-            }
+        if version.is_none() {
-            Some(v) => {
+            run_migration!(self, version = 202208162308);
-                if v == 202208162308 {
-                    run_migration!(self, version = 202208201623);
-                }
-            }
         }
 
         self.conn