init

;10u

db/migrations.go

@@ -0,0 +1,25 @@
+package main
+
+import (
+    "database/sql"
+)
+
+func RunMigrations(db *sql.DB) error {
+    // Load the cr-sqlite extension
+    _, err := db.Exec("SELECT load_extension('crsqlite.so')")
+    if err != nil {
+        return err
+    }
+
+    // Create the todos table and initialize it as a CRDT
+    _, err = db.Exec(`
+        CREATE TABLE IF NOT EXISTS todos (id INTEGER PRIMARY KEY, content TEXT);
+        SELECT crsql_as_crr('todos');
+    `)
+    if err != nil {
+        return err
+    }
+
+    return nil
+}
+

envrc

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

flake.lock

@@ -0,0 +1,27 @@
+{
+  "nodes": {
+    "nixpkgs": {
+      "locked": {
+        "lastModified": 1708407374,
+        "narHash": "sha256-EECzarm+uqnNDCwaGg/ppXCO11qibZ1iigORShkkDf0=",
+        "owner": "NixOS",
+        "repo": "nixpkgs",
+        "rev": "f33dd27a47ebdf11dc8a5eb05e7c8fbdaf89e73f",
+        "type": "github"
+      },
+      "original": {
+        "owner": "NixOS",
+        "ref": "nixpkgs-unstable",
+        "repo": "nixpkgs",
+        "type": "github"
+      }
+    },
+    "root": {
+      "inputs": {
+        "nixpkgs": "nixpkgs"
+      }
+    }
+  },
+  "root": "root",
+  "version": 7
+}

flake.nix

@@ -0,0 +1,14 @@
+{
+  description = "A basic flake with a shell";
+  inputs.nixpkgs.url = "github:NixOS/nixpkgs/nixpkgs-unstable";
+
+  outputs = { nixpkgs, ... }:
+  let
+    pkgs = nixpkgs.legacyPackages."x86_64-linux";
+  in
+  {
+    devShells."x86_64-linux".default = pkgs.mkShell {
+      packages = [ pkgs.go ];
+    };
+  };
+}

go.mod

@@ -0,0 +1,22 @@
+module mast
+
+go 1.21.6
+
+require (
+	github.com/charmbracelet/bubbletea v0.26.6 // indirect
+	github.com/charmbracelet/x/ansi v0.1.2 // indirect
+	github.com/charmbracelet/x/input v0.1.0 // indirect
+	github.com/charmbracelet/x/term v0.1.1 // indirect
+	github.com/charmbracelet/x/windows v0.1.0 // indirect
+	github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f // indirect
+	github.com/mattn/go-localereader v0.0.1 // indirect
+	github.com/mattn/go-runewidth v0.0.15 // indirect
+	github.com/mattn/go-sqlite3 v1.14.22 // indirect
+	github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 // indirect
+	github.com/muesli/cancelreader v0.2.2 // indirect
+	github.com/rivo/uniseg v0.4.7 // indirect
+	github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e // indirect
+	golang.org/x/sync v0.7.0 // indirect
+	golang.org/x/sys v0.21.0 // indirect
+	golang.org/x/text v0.3.8 // indirect
+)

go.sum

@@ -0,0 +1,34 @@
+github.com/charmbracelet/bubbletea v0.26.6 h1:zTCWSuST+3yZYZnVSvbXwKOPRSNZceVeqpzOLN2zq1s=
+github.com/charmbracelet/bubbletea v0.26.6/go.mod h1:dz8CWPlfCCGLFbBlTY4N7bjLiyOGDJEnd2Muu7pOWhk=
+github.com/charmbracelet/x/ansi v0.1.2 h1:6+LR39uG8DE6zAmbu023YlqjJHkYXDF1z36ZwzO4xZY=
+github.com/charmbracelet/x/ansi v0.1.2/go.mod h1:dk73KoMTT5AX5BsX0KrqhsTqAnhZZoCBjs7dGWp4Ktw=
+github.com/charmbracelet/x/input v0.1.0 h1:TEsGSfZYQyOtp+STIjyBq6tpRaorH0qpwZUj8DavAhQ=
+github.com/charmbracelet/x/input v0.1.0/go.mod h1:ZZwaBxPF7IG8gWWzPUVqHEtWhc1+HXJPNuerJGRGZ28=
+github.com/charmbracelet/x/term v0.1.1 h1:3cosVAiPOig+EV4X9U+3LDgtwwAoEzJjNdwbXDjF6yI=
+github.com/charmbracelet/x/term v0.1.1/go.mod h1:wB1fHt5ECsu3mXYusyzcngVWWlu1KKUmmLhfgr/Flxw=
+github.com/charmbracelet/x/windows v0.1.0 h1:gTaxdvzDM5oMa/I2ZNF7wN78X/atWemG9Wph7Ika2k4=
+github.com/charmbracelet/x/windows v0.1.0/go.mod h1:GLEO/l+lizvFDBPLIOk+49gdX49L9YWMB5t+DZd0jkQ=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f h1:Y/CXytFA4m6baUTXGLOoWe4PQhGxaX0KpnayAqC48p4=
+github.com/erikgeiser/coninput v0.0.0-20211004153227-1c3628e74d0f/go.mod h1:vw97MGsxSvLiUE2X8qFplwetxpGLQrlU1Q9AUEIzCaM=
+github.com/mattn/go-localereader v0.0.1 h1:ygSAOl7ZXTx4RdPYinUpg6W99U8jWvWi9Ye2JC/oIi4=
+github.com/mattn/go-localereader v0.0.1/go.mod h1:8fBrzywKY7BI3czFoHkuzRoWE9C+EiG4R1k4Cjx5p88=
+github.com/mattn/go-runewidth v0.0.15 h1:UNAjwbU9l54TA3KzvqLGxwWjHmMgBUVhBiTjelZgg3U=
+github.com/mattn/go-runewidth v0.0.15/go.mod h1:Jdepj2loyihRzMpdS35Xk/zdY8IAYHsh153qUoGf23w=
+github.com/mattn/go-sqlite3 v1.14.22 h1:2gZY6PC6kBnID23Tichd1K+Z0oS6nE/XwU+Vz/5o4kU=
+github.com/mattn/go-sqlite3 v1.14.22/go.mod h1:Uh1q+B4BYcTPb+yiD3kU8Ct7aC0hY9fxUwlHK0RXw+Y=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6 h1:ZK8zHtRHOkbHy6Mmr5D264iyp3TiX5OmNcI5cIARiQI=
+github.com/muesli/ansi v0.0.0-20230316100256-276c6243b2f6/go.mod h1:CJlz5H+gyd6CUWT45Oy4q24RdLyn7Md9Vj2/ldJBSIo=
+github.com/muesli/cancelreader v0.2.2 h1:3I4Kt4BQjOR54NavqnDogx/MIoWBFa0StPA8ELUXHmA=
+github.com/muesli/cancelreader v0.2.2/go.mod h1:3XuTXfFS2VjM+HTLZY9Ak0l6eUKfijIfMUZ4EgX0QYo=
+github.com/rivo/uniseg v0.2.0/go.mod h1:J6wj4VEh+S6ZtnVlnTBMWIodfgj8LQOQFoIToxlJtxc=
+github.com/rivo/uniseg v0.4.7 h1:WUdvkW8uEhrYfLC4ZzdpI2ztxP1I582+49Oc5Mq64VQ=
+github.com/rivo/uniseg v0.4.7/go.mod h1:FN3SvrM+Zdj16jyLfmOkMNblXMcoc8DfTHruCPUcx88=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e h1:JVG44RsyaB9T2KIHavMF/ppJZNG9ZpyihvCd0w101no=
+github.com/xo/terminfo v0.0.0-20220910002029-abceb7e1c41e/go.mod h1:RbqR21r5mrJuqunuUZ/Dhy/avygyECGrLceyNeo4LiM=
+golang.org/x/sync v0.7.0 h1:YsImfSBoP9QPYL0xyKJPq0gcaJdG3rInoqxTWbfQu9M=
+golang.org/x/sync v0.7.0/go.mod h1:Czt+wKu1gCyEFDUtn0jG5QVvpJ6rzVqr5aXyt9drQfk=
+golang.org/x/sys v0.0.0-20210809222454-d867a43fc93e/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
+golang.org/x/sys v0.21.0 h1:rF+pYz3DAGSQAxAu1CbC7catZg4ebC4UIeIhKxBZvws=
+golang.org/x/sys v0.21.0/go.mod h1:/VUhepiaJMQUp4+oa/7Zr1D23ma6VTLIYjOOTFZPUcA=
+golang.org/x/text v0.3.8 h1:nAL+RVCQ9uMn3vJZbV+MRnydTJFPf8qqY42YiA6MrqY=
+golang.org/x/text v0.3.8/go.mod h1:E6s5w1FMmriuDzIBO73fBruAKo1PCIq6d2Q6DHfQ8WQ=

main.go

@@ -0,0 +1,98 @@
+package main
+
+import (
+    "database/sql"
+    "fmt"
+    "os"
+
+    tea "github.com/charmbracelet/bubbletea"
+    _ "github.com/mattn/go-sqlite3"
+		"git.sealight.xyz/aynish/mast/db"
+)
+
+type model struct {
+    db     *sql.DB
+    todos  []string
+    cursor int
+}
+
+func initialModel() model {
+    db, err := sql.Open("sqlite3", ":memory:")
+    if err != nil {
+        panic(err)
+    }
+
+    err = RunMigrations(db)
+    if err != nil {
+        panic(err)
+    }
+
+    m := model{
+        db:     db,
+        todos:  []string{},
+        cursor: 0,
+    }
+    m.loadTodos()
+    return m
+}
+
+func (m *model) addTodo(todo string) {
+    _, err := m.db.Exec("INSERT INTO todos (content) VALUES (?)", todo)
+    if err != nil {
+        panic(err)
+    }
+    m.loadTodos()
+}
+
+func (m *model) loadTodos() {
+    rows, err := m.db.Query("SELECT content FROM todos")
+    if err != nil {
+        panic(err)
+    }
+    defer rows.Close()
+
+    m.todos = []string{}
+    for rows.Next() {
+        var content string
+        if err := rows.Scan(&content); err != nil {
+            panic(err)
+        }
+        m.todos = append(m.todos, content)
+    }
+}
+
+func (m model) Init() tea.Cmd {
+    return nil
+}
+
+func (m model) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
+    switch msg := msg.(type) {
+    case tea.KeyMsg:
+        switch msg.String() {
+        case "ctrl+c", "q":
+            return m, tea.Quit
+        }
+    }
+    return m, nil
+}
+
+func (m model) View() string {
+    s := "Todo List:\n\n"
+    for i, todo := range m.todos {
+        cursor := " "
+        if m.cursor == i {
+            cursor = ">"
+        }
+        s += fmt.Sprintf("%s %s\n", cursor, todo)
+    }
+    s += "\nPress q to quit.\n"
+    return s
+}
+
+func main() {
+    p := tea.NewProgram(initialModel())
+    if _, err := p.Run(); err != nil {
+        fmt.Printf("Alas, there's been an error: %v", err)
+        os.Exit(1)
+    }
+}