Cargo.lock

@@ -2,6 +2,17 @@
 # It is not intended for manual editing.
 version = 3
 
+[[package]]
+name = "ahash"
+version = "0.7.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "fcb51a0695d8f838b1ee009b3fbf66bda078cd64590202a864a8f3e8c4315c47"
+dependencies = [
+ "getrandom",
+ "once_cell",
+ "version_check",
+]
+
 [[package]]
 name = "autocfg"
 version = "1.1.0"
@@ -14,6 +25,12 @@ version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "bef38d45163c2f1dde094a7dfd33ccf595c92905c8f8f4fdc18d06fb1037718a"
 
+[[package]]
+name = "cc"
+version = "1.0.73"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fff2a6927b3bb87f9595d67196a70493f627687a71d87a0d692242c33f58c11"
+
 [[package]]
 name = "cfg-if"
 version = "1.0.0"
@@ -76,6 +93,18 @@ dependencies = [
  "winapi",
 ]
 
+[[package]]
+name = "fallible-iterator"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
+
+[[package]]
+name = "fallible-streaming-iterator"
+version = "0.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7360491ce676a36bf9bb3c56c1aa791658183a54d2744120f27285738d90465a"
+
 [[package]]
 name = "getrandom"
 version = "0.2.7"
@@ -92,6 +121,18 @@ name = "hashbrown"
 version = "0.12.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "8a9ee70c43aaf417c914396645a0fa852624801b24ebb7ae78fe8272889ac888"
+dependencies = [
+ "ahash",
+]
+
+[[package]]
+name = "hashlink"
+version = "0.8.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d452c155cb93fecdfb02a73dd57b5d8e442c2063bd7aac72f1bc5e4263a43086"
+dependencies = [
+ "hashbrown",
+]
 
 [[package]]
 name = "heck"
@@ -121,6 +162,17 @@ version = "0.2.127"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "505e71a4706fa491e9b1b55f51b95d4037d0821ee40131190475f692b35b009b"
 
+[[package]]
+name = "libsqlite3-sys"
+version = "0.25.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9f0455f2c1bc9a7caa792907026e469c1d91761fb0ea37cbb16427c77280cf35"
+dependencies = [
+ "cc",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "log"
 version = "0.4.17"
@@ -142,6 +194,12 @@ version = "6.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "648001efe5d5c0102d8cea768e348da85d90af8ba91f0bea908f157951493cd4"
 
+[[package]]
+name = "pkg-config"
+version = "0.3.25"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1df8c4ec4b0627e53bdf214615ad287367e482558cf84b109250b37464dc03ae"
+
 [[package]]
 name = "proc-macro-error"
 version = "1.0.4"
@@ -204,6 +262,20 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "rusqlite"
+version = "0.28.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "01e213bc3ecb39ac32e81e51ebe31fd888a940515173e3a18a35f8c6e896422a"
+dependencies = [
+ "bitflags",
+ "fallible-iterator",
+ "fallible-streaming-iterator",
+ "hashlink",
+ "libsqlite3-sys",
+ "smallvec",
+]
+
 [[package]]
 name = "ryu"
 version = "1.0.11"
@@ -241,6 +313,12 @@ dependencies = [
  "serde",
 ]
 
+[[package]]
+name = "smallvec"
+version = "1.9.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fd0db749597d91ff862fd1d55ea87f7855a744a8425a64695b6fca237d1dad1"
+
 [[package]]
 name = "syn"
 version = "1.0.99"
@@ -258,6 +336,7 @@ version = "0.1.0"
 dependencies = [
  "clap",
  "log",
+ "rusqlite",
  "serde",
  "serde_json",
  "xdg",
@@ -295,6 +374,12 @@ version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "c4f5b37a154999a8f3f98cc23a628d850e154479cd94decf3414696e12e31aaf"
 
+[[package]]
+name = "vcpkg"
+version = "0.2.15"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
+
 [[package]]
 name = "version_check"
 version = "0.9.4"

Cargo.toml

@@ -12,6 +12,7 @@ maintenance = { status = "experimental" }
 [dependencies]
 clap = { version = "3.2.16", default-features = false, features = ["derive", "std"] }
 log = "0.4.17"
+rusqlite = { version = "0.28.0", features = ["bundled"] }
 serde = { version = "1.0.142", features = ["derive"] }
 serde_json = "1.0.83"
 xdg = "2.4.1"

src/main.rs

@@ -27,7 +27,7 @@
 //---------------------------------------------------------------------
 
 use clap::Parser;
-use repo::fs::FsRepo;
+use repo::sqlite::SqliteRepo;
 use xdg::BaseDirectories;
 
 mod cli;
@@ -38,7 +38,10 @@ fn main() {
     let args = cli::Args::parse();
 
     let xdg_dirs = BaseDirectories::with_prefix(env!("CARGO_PKG_NAME")).unwrap();
-    let repo = FsRepo::new(xdg_dirs);
+    let repo = match SqliteRepo::new(xdg_dirs) {
+        Ok(repo) => repo,
+        Err(err) => return eprintln!("Cannot connect to repository: {}", err),
+    };
 
     match args.command {
         cli::SubCommand::Add(args) => {

src/repo.rs

@@ -14,6 +14,7 @@
 //! along with tas.  If not, see <https://www.gnu.org/licenses/>.
 //!
 pub mod fs;
+pub mod sqlite;
 
 use std::path::PathBuf;
 
@@ -21,6 +22,7 @@ use crate::domain;
 
 #[derive(Debug)]
 pub enum Error {
+    Connect,
     NotFound,
     InvalidData,
     InsertData,

src/repo/sqlite.rs

@@ -0,0 +1,60 @@
+use rusqlite::Connection;
+use xdg::BaseDirectories;
+
+use crate::domain;
+use crate::repo::{Error, Repository};
+
+const SCHEMA_FILE: &str = "schema.sql";
+
+pub struct SqliteRepo {
+    conn: Connection,
+}
+
+impl SqliteRepo {
+    pub fn new(xdg_dirs: BaseDirectories) -> Result<Self, Error> {
+        let file_path = xdg_dirs.get_data_file(SCHEMA_FILE);
+        let conn = Connection::open(file_path).map_err(|_| Error::Connect)?;
+        Ok(Self { conn })
+    }
+}
+
+impl Repository for SqliteRepo {
+    fn get_current_task_opt(&self) -> Result<Option<domain::CurrentTaskInfo>, Error> {
+        todo!()
+    }
+
+    fn get_task_opt(&self, id: domain::TaskId) -> Result<Option<domain::Task>, Error> {
+        todo!()
+    }
+
+    fn get_tasks(&self) -> Result<Vec<domain::Task>, Error> {
+        todo!()
+    }
+    fn remove_task(&self, id: domain::TaskId) -> Result<domain::Task, Error> {
+        todo!()
+    }
+
+    fn insert_task(&self, insert_data: super::InsertTaskData) -> Result<domain::Task, Error> {
+        todo!()
+    }
+
+    fn update_task(
+        &self,
+        id: domain::TaskId,
+        update_data: super::UpdateTaskData,
+    ) -> Result<domain::Task, Error> {
+        todo!()
+    }
+
+    fn start_task(&self, id: domain::TaskId) -> Result<domain::Task, Error> {
+        todo!()
+    }
+
+    fn stop_task(&self) -> Result<domain::Task, Error> {
+        todo!()
+    }
+
+    fn finish_task(&self) -> Result<domain::Task, Error> {
+        todo!()
+    }
+}

src/repo/sqlite/migrations/202208162308.sql

@@ -0,0 +1,25 @@
+CREATE TABLE _tas_info (
+  version     INTEGER     PRIMARY KEY
+);
+
+CREATE TABLE tasks (
+  id          INTEGER     PRIMARY KEY,
+  name        TEXT        NOT NULL,
+  group       TEXT        NULL,
+  link        TEXT        NULL,
+  path        TEXT        NULL,
+
+  current     BOOLEAN     NOT NULL DEFAULT false,
+
+  created_at  DATETIME    NOT NULL DEFAULT datetime('now'),
+  finished_at DATETIME    NULL
+);
+
+CREATE VIEW active_tasks AS (
+  SELECT *
+  FROM tasks
+  WHERE finished_at IS NULL
+  ORDER BY created_at
+);
+
+

src/repo/sqlite/schema.sql

@@ -0,0 +1,24 @@
+CREATE TABLE _tas_info (
+  version     INTEGER     PRIMARY KEY
+);
+
+CREATE TABLE tasks (
+  id          INTEGER     PRIMARY KEY,
+  name        TEXT        NOT NULL,
+  group       TEXT        NULL,
+  link        TEXT        NULL,
+  path        TEXT        NULL,
+
+  current     BOOLEAN     NOT NULL DEFAULT false,
+
+  created_at  DATETIME    NOT NULL DEFAULT datetime('now'),
+  finished_at DATETIME    NULL
+);
+
+CREATE VIEW active_tasks AS (
+  SELECT *
+  FROM tasks
+  WHERE finished_at IS NULL
+  ORDER BY created_at
+);
+