From c340556756afbf8f4de6b075c4d3891a244425be Mon Sep 17 00:00:00 2001
From: Julio Biason <julio.biason@pm.me>
Date: Mon, 23 Aug 2021 12:30:47 -0300
Subject: [PATCH] Database definitions

---
 lib/migrations/20210823_create_table.sql | 29 ++++++++++++++++++++++++
 lib/src/database.rs                      | 16 +++++++++++++
 lib/src/lib.rs                           |  2 ++
 3 files changed, 47 insertions(+)
 create mode 100644 lib/migrations/20210823_create_table.sql
 create mode 100644 lib/src/database.rs

diff --git a/lib/migrations/20210823_create_table.sql b/lib/migrations/20210823_create_table.sql
new file mode 100644
index 0000000..5038398
--- /dev/null
+++ b/lib/migrations/20210823_create_table.sql
@@ -0,0 +1,29 @@
+-- Projects
+CREATE TABLE project (
+	id INTEGER NOT NULL PRIMARY KEY,
+	name TEXT NOT NULL
+);
+CREATE UNIQUE INDEX project_name ON project (name);
+
+CREATE TABLE tag (
+	id INTEGER NOT NULL PRIMARY KEY,
+	label TEXT NOT NULL
+)
+CREATE UNIQUE INDEX tag_label ON tag (label);
+
+CREATE TABLE entry (
+	id INTEGER NOT NULL PRIMARY KEY,
+	start_ts DATETIME NOT NULL,
+	stop_ts DATETIME,
+	project_id INTEGER NOT NULL,
+	FOREIGN KEY (project_id) REFERENCES project (id)
+);
+
+CREATE TABLE entry_tags (
+	id INTEGER NOT NULL PRIMARY KEY,
+	entry_id INTEGER NOT NULL,
+	tag_id INTEGER NOT NULL,
+	CONSTRAINT UNIQUE (entry_id, tag_id),
+	FOREIGN KEY (entry_id) REFERENCES entry (id),
+	FOREIGN KEY (tag_id) REFERENCES tag (id)
+)
diff --git a/lib/src/database.rs b/lib/src/database.rs
new file mode 100644
index 0000000..97fcbe7
--- /dev/null
+++ b/lib/src/database.rs
@@ -0,0 +1,16 @@
+use sqlx::sqlite::Sqlite;
+use sqlx::sqlite::SqliteConnectOptions;
+use sqlx::sqlite::SqlitePoolOptions;
+use sqlx::Pool;
+
+async fn connect() -> Result<Pool<Sqlite>, sqlx::Error> {
+    let pool = SqlitePoolOptions::new()
+        .connect_with(
+            SqliteConnectOptions::new()
+                .filename("testing.sqlite")
+                .create_if_missing(true),
+        )
+        .await?;
+    sqlx::migrate("migrations").run(&pool).await?;
+    Ok(pool)
+}
diff --git a/lib/src/lib.rs b/lib/src/lib.rs
index 31e1bb2..4d0f362 100644
--- a/lib/src/lib.rs
+++ b/lib/src/lib.rs
@@ -1,3 +1,5 @@
+mod database;
+
 #[cfg(test)]
 mod tests {
     #[test]