commit c1935c8edb7fa7a8371a5e36dce9cf8369188b88 Author: Daniil Tsivinsky Date: Mon Mar 16 19:59:07 2026 +0300 init diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..dab8d6d --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/db/sqlite.db diff --git a/Justfile b/Justfile new file mode 100644 index 0000000..56ee9ac --- /dev/null +++ b/Justfile @@ -0,0 +1,5 @@ +m cmd *ARGS: + go run ./cmd/migrate {{cmd}} {{ARGS}} + +dev: + go run . diff --git a/cmd/migrate/main.go b/cmd/migrate/main.go new file mode 100644 index 0000000..d37c421 --- /dev/null +++ b/cmd/migrate/main.go @@ -0,0 +1,100 @@ +package main + +import ( + "database/sql" + "flag" + "fmt" + "log" + "os" + "os/exec" + "path" + "strings" + "text/template" + "time" + + "github.com/pressly/goose/v3" + _ "modernc.org/sqlite" +) + +func openInEditor(filePath string) error { + editor := os.Getenv("EDITOR") + if editor == "" { + editor = "vim" + } + + cmd := exec.Command(editor, filePath) + cmd.Stdin = os.Stdin + cmd.Stdout = os.Stdout + cmd.Stderr = os.Stderr + + cmd.Start() + return cmd.Wait() +} + +const ( + migrationType = "sql" + migrationDir = "db/migrations" +) + +func main() { + flag.Parse() + + db, err := sql.Open("sqlite", "db/sqlite.db") + if err != nil { + log.Fatalf("failed to connect to db: %v", err) + } + defer db.Close() + + if err := goose.SetDialect("sqlite"); err != nil { + log.Fatalf("failed to set goose db dialect: %v", err) + } + + switch flag.Arg(0) { + case "create": + name := flag.Arg(1) + if name == "" { + log.Fatalf("no migration name provided") + } + + tmpl, _ := template.New("query").Parse(`-- +goose Up +-- +goose StatementBegin +SELECT * FROM table; +-- +goose StatementEnd + +-- +goose Down +-- +goose StatementBegin +SELECT * FROM table; +-- +goose StatementEnd + `) + + now := time.Now().UTC() + if err := goose.CreateWithTemplate(db, migrationDir, tmpl, name, migrationType); err != nil { + log.Fatalf("failed to generate new migration: %v", err) + } + + fileName := fmt.Sprintf("%d%02d%02d%02d%02d%02d_%s.%s", now.Year(), now.Month(), now.Day(), now.Hour(), now.Minute(), now.Second(), strings.ToLower(name), migrationType) + fmt.Printf("fileName: %v\n", fileName) + + if err := openInEditor(path.Join(migrationDir, fileName)); err != nil { + log.Fatalf("failed to open migration file in editor: %v", err) + } + + case "up": + if err := goose.Up(db, migrationDir); err != nil { + log.Fatalf("failed to upgrade to latest migration: %v", err) + } + + case "down": + if err := goose.Down(db, migrationDir); err != nil { + log.Fatalf("failed to downgrade to previous migration: %v", err) + } + + case "status": + if err := goose.Status(db, migrationDir); err != nil { + log.Fatalf("failed to get status: %v", err) + } + + default: + log.Fatalf("unknown command: %v", flag.Arg(0)) + } +} diff --git a/db/migrations/.gitkeep b/db/migrations/.gitkeep new file mode 100644 index 0000000..e69de29 diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..23689db --- /dev/null +++ b/go.mod @@ -0,0 +1,25 @@ +module go-template + +go 1.26.1 + +require ( + github.com/pressly/goose/v3 v3.27.0 + modernc.org/sqlite v1.46.1 +) + +require ( + github.com/dustin/go-humanize v1.0.1 // indirect + github.com/google/uuid v1.6.0 // indirect + github.com/mattn/go-isatty v0.0.20 // indirect + github.com/mfridman/interpolate v0.0.2 // indirect + github.com/ncruces/go-strftime v1.0.0 // indirect + github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect + github.com/sethvargo/go-retry v0.3.0 // indirect + go.uber.org/multierr v1.11.0 // indirect + golang.org/x/exp v0.0.0-20260218203240-3dfff04db8fa // indirect + golang.org/x/sync v0.20.0 // indirect + golang.org/x/sys v0.41.0 // indirect + modernc.org/libc v1.68.0 // indirect + modernc.org/mathutil v1.7.1 // indirect + modernc.org/memory v1.11.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..ab2ee28 --- /dev/null +++ b/go.sum @@ -0,0 +1,69 @@ 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--git a/main.go b/main.go new file mode 100644 index 0000000..ef209ca --- /dev/null +++ b/main.go @@ -0,0 +1,25 @@ +package main + +import ( + "fmt" + "log" + "net/http" +) + +func main() { + srv := NewServer(":5000") + + srv.Handle("GET /", func(w http.ResponseWriter, r *http.Request) error { + return srv.JSON(w, struct { + Ok bool `json:"ok"` + }{true}, 200) + }) + + srv.Handle("GET /error", func(w http.ResponseWriter, r *http.Request) error { + return fmt.Errorf("not ok") + }) + + if err := srv.ListenAndServe(); err != nil { + log.Fatalf("failed to start http server: %v", err) + } +} diff --git a/server.go b/server.go new file mode 100644 index 0000000..95027bf --- /dev/null +++ b/server.go @@ -0,0 +1,51 @@ +package main + +import ( + "encoding/json" + "net/http" +) + +type Server struct { + addr string + mux *http.ServeMux +} + +func NewServer(addr string) *Server { + return &Server{ + addr: addr, + mux: http.NewServeMux(), + } +} + +func (s *Server) Handle(pattern string, handler func(w http.ResponseWriter, r *http.Request) error) { + s.mux.HandleFunc(pattern, func(w http.ResponseWriter, r *http.Request) { + if err := handler(w, r); err != nil { + s.Error(w, "something bad happened", err, 500) + } + }) +} + +func (s *Server) JSON(w http.ResponseWriter, data any, status int) error { + w.Header().Set("Content-Type", "application/json") + w.WriteHeader(status) + return json.NewEncoder(w).Encode(data) +} + +func (s *Server) Error(w http.ResponseWriter, msg string, err error, status int) { + var e *string + if err != nil { + e = new(err.Error()) + } + + s.JSON(w, struct { + Message string `json:"message"` + Error *string `json:"error"` + }{ + Message: msg, + Error: e, + }, status) +} + +func (s *Server) ListenAndServe() error { + return http.ListenAndServe(s.addr, s.mux) +}