feat(server): initialize loop

cmd/main.go

@@ -5,12 +5,14 @@ import (
 	"log"
 	"path/filepath"
 
-	migrate "github.com/KristianJBorgwarth/dendrite.daemon/persistence"
+	"github.com/KristianJBorgwarth/dendrite.daemon/persistence"
+  "github.com/KristianJBorgwarth/dendrite.daemon/core"
 	_ "modernc.org/sqlite"
 )
 
 func main() {
-
+	server := core.NewServer()
+	server.Run()
 }
 
 func runMigration() {
@@ -24,7 +26,7 @@ func runMigration() {
 
 	migrationsDir := filepath.Join("persistence", "migrations")
 
-	if err := migrate.Run(db, migrationsDir); err != nil {
+	if err := persistence.ApplyMigrations(db, migrationsDir); err != nil {
 		log.Fatal(err)
 	}
 

core/commands/commands.go

@@ -1,2 +0,0 @@
-// Package commands provides the commands interface for the application.
-package commands

core/handler/command_handler.go

@@ -1 +0,0 @@
-package comms

core/handlers/doc.go

@@ -0,0 +1,2 @@
+// Package handlers contains commands for handling incoming requests
+package handlers

core/handlers/init.go

@@ -0,0 +1,47 @@
+package handlers
+
+import (
+	"encoding/json"
+
+	"github.com/KristianJBorgwarth/dendrite.daemon/config"
+)
+
+type initializeParams struct {
+	VaultPath   string `json:"vaultPath"`
+	TemplateDir string `json:"templateDir"`
+
+	ScratchNote struct {
+		Dir          string `json:"dir"`
+		TemplateName string `json:"templateName"`
+	} `json:"scratchNote"`
+
+	DailyNote struct {
+		Dir            string `json:"dir"`
+		TemplateName   string `json:"templateName"`
+		FilenameFormat string `json:"filenameFormat"`
+	} `json:"dailyNote"`
+}
+
+func Initialize(raw json.RawMessage) (*config.Config, error) {
+	var params initializeParams
+	if err := json.Unmarshal(raw, &params); err != nil {
+		return nil, err
+	}
+
+	cfg := &config.Config{
+		VaultPath:   params.VaultPath,
+		TemplateDir: params.TemplateDir,
+		ScratchNote: config.ScratchConfig{
+			Dir:          params.ScratchNote.Dir,
+			TemplateName: params.ScratchNote.TemplateName,
+		},
+		DailyNote: config.DailyConfig{
+			Dir:            params.DailyNote.Dir,
+			TemplateName:   params.DailyNote.TemplateName,
+			FilenameFormat: params.DailyNote.FilenameFormat,
+		},
+	}
+	cfg.SetDefaults()
+
+	return cfg, nil
+}

core/server.go

@@ -1,5 +1,5 @@
-// Package server contains core functionality for dendrite server
-package server
+// Package core contains core functionality for dendrite server
+package core 
 
 import (
 	"bufio"
@@ -10,13 +10,17 @@ import (
 	"os"
 	"strconv"
 	"strings"
+
+	"github.com/KristianJBorgwarth/dendrite.daemon/config"
+	"github.com/KristianJBorgwarth/dendrite.daemon/core/handlers"
 	"github.com/KristianJBorgwarth/dendrite.daemon/core/models"
 )
 
 type Server struct {
-	in  *bufio.Reader
-	out io.Writer
-	log *slog.Logger
+	in     *bufio.Reader
+	out    io.Writer
+	log    *slog.Logger
+	config *config.Config
 }
 
 func NewServer() *Server {
@@ -27,6 +31,31 @@ func NewServer() *Server {
 	}
 }
 
+func (s *Server) writeResponse(id int, result any, err error) {
+	resp := types.Response{
+		Jsonrpc: "2.0",
+		ID:      id,
+	}
+
+	if err != nil {
+		resp.Error = map[string]any{
+			"code":    -1,
+			"message": err.Error(),
+		}
+	} else {
+		resp.Result = result
+	}
+
+	data, marshalErr := json.Marshal(resp)
+	if marshalErr != nil {
+		s.log.Error("failed to marshal response", "error", marshalErr)
+		return
+	}
+
+	fmt.Fprintf(s.out, "Content-Length: %d\r\n\r\n", len(data))
+	s.out.Write(data)
+}
+
 // Run starts the server loop, continuously reading and processing incoming messages
 func (s *Server) Run() error {
 	for {
@@ -70,7 +99,7 @@ func (s *Server) readContentLength() (int, error) {
 			break
 		}
 
-		if after, ok :=strings.CutPrefix(line, "Content-Length:"); ok  {
+		if after, ok := strings.CutPrefix(line, "Content-Length:"); ok {
 			val := strings.TrimSpace(after)
 			return strconv.Atoi(val)
 		}
@@ -80,9 +109,24 @@ func (s *Server) readContentLength() (int, error) {
 
 func (s *Server) handleRequest(req types.Request) {
 	s.log.Info("handling request", "method", req.Method, "id", req.ID)
+
+	var (
+		result any
+		err    error
+	)
+
+	switch req.Method {
+	case "initialize":
+		s.config, err = handlers.Initialize(req.Params)
+		result = map[string]any{"status": "ok"}
+	default:
+		err = fmt.Errorf("unknown method: %s", req.Method)
+
+	}
+
+	s.writeResponse(req.ID, result, err)
 }
 
 func (s *Server) handleNotification(notif types.Notification) {
 	s.log.Info("handling notification", "method", notif.Method)
-}	
-
+}

persistence/db_migrator.go

@@ -1,5 +1,5 @@
-// Package migrate handles database schema migrations
-package migrate
+// Package persistence handles database schema migrations
+package persistence 
 
 import (
 	"database/sql"
@@ -8,7 +8,7 @@ import (
 	"sort"
 )
 
-func Run(db *sql.DB, dir string) error {
+func ApplyMigrations(db *sql.DB, dir string) error {
 	_, err := db.Exec(`CREATE TABLE IF NOT EXISTS schema_migrations (version TEXT PRIMARY KEY);`)
 	if err != nil {
 		return err