From 19a209619318ee901639084d2bdb465ffb1c22f1 Mon Sep 17 00:00:00 2001
From: Miguel de la Cruz <miguel@mcrx.me>
Date: Sun, 12 Sep 2021 00:32:07 +0200
Subject: [PATCH] Add README and WIP server lifecycle

---
 .gitignore              |  1 +
 README.md               | 21 +++++++++++++++++++++
 cmd/rmsn/rmsn.go        | 36 ++++++++++++++++++++++++++++++++++++
 rmsn.yml                |  3 +++
 server/server.go        | 36 ++++++++++++++++++++++++++++++++++--
 services/store/store.go |  1 +
 web/web.go              | 22 ++++++++++++++++++++++
 7 files changed, 118 insertions(+), 2 deletions(-)
 create mode 100644 .gitignore
 create mode 100644 README.md
 create mode 100644 cmd/rmsn/rmsn.go
 create mode 100644 rmsn.yml
 create mode 100644 web/web.go

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..14761d1
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/rmsn.sqlite
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..81baf4d
--- /dev/null
+++ b/README.md
@@ -0,0 +1,21 @@
+# RMSN
+
+## Config
+
+Default configuration can be found in the [rmsn.yml](./rmsn.yml) file
+at the root of the repository.
+
+## Roadmap
+
+- [ ] Add simple logger everywhere
+- [ ] Make server start, teardown and block
+- [ ] Bootstrap webapp
+- [ ] Embed webapp in server
+- [ ] Split server and webapp in different folders
+- [ ] Add modd for easy development forkflow
+- [ ] Add webapp make targets
+- [ ] Add bundle and install make targets
+- [ ] Create basic webapp structure and development workflow
+- [ ] Think of a better name
+- [ ] Add email config and communications
+- [ ] Add webpush notifications
diff --git a/cmd/rmsn/rmsn.go b/cmd/rmsn/rmsn.go
new file mode 100644
index 0000000..5685815
--- /dev/null
+++ b/cmd/rmsn/rmsn.go
@@ -0,0 +1,36 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"os"
+	"os/signal"
+
+	"git.ctrlz.es/mgdelacroix/rmsn/server"
+)
+
+func main() {
+	configFlag := flag.String("config", "rmsn.yml", "the configuration path")
+	flag.Parse()
+
+	srv, err := server.NewServerWithConfigPath(*configFlag)
+	if err != nil {
+		fmt.Fprintf(os.Stderr, "cannot create server: %s", err)
+		os.Exit(1)
+	}
+
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, os.Interrupt)
+	closed := make(chan bool, 1)
+
+	go func() {
+		fmt.Println("Starting rmsn")
+		srv.Start() // ToDo: this should be blocking
+		closed <- true
+	}()
+
+	s := <-c
+	fmt.Printf("Got signal %s, exiting...\n", s)
+	srv.Close()
+	<-closed
+}
diff --git a/rmsn.yml b/rmsn.yml
new file mode 100644
index 0000000..494d8a9
--- /dev/null
+++ b/rmsn.yml
@@ -0,0 +1,3 @@
+---
+database_path: rmsn.sqlite
+port: 8080
diff --git a/server/server.go b/server/server.go
index bd6967e..f874052 100644
--- a/server/server.go
+++ b/server/server.go
@@ -2,12 +2,18 @@ package server
 
 import (
 	"fmt"
+	"net/http"
 
 	"git.ctrlz.es/mgdelacroix/rmsn/model"
+	"git.ctrlz.es/mgdelacroix/rmsn/services/store"
+	"git.ctrlz.es/mgdelacroix/rmsn/web"
 )
 
 type Server struct {
 	Config *model.Config
+
+	Store     *store.Store
+	WebServer *http.Server
 }
 
 func NewServer(config *model.Config) (*Server, error) {
@@ -15,15 +21,41 @@ func NewServer(config *model.Config) (*Server, error) {
 		return nil, fmt.Errorf("config is not valid: %w", err)
 	}
 
-	srv := &Server{Config: config}
+	webserver, err := web.NewWebServer(*config.Port)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create webserver: %w", err)
+	}
 
-	return srv, nil
+	store, err := store.NewStore(*config.DatabasePath)
+	if err != nil {
+		return nil, fmt.Errorf("cannot create store: %w", err)
+	}
+
+	return &Server{
+		Config:    config,
+		WebServer: webserver,
+		Store:     store,
+	}, err
+}
+
+func NewServerWithConfigPath(path string) (*Server, error) {
+	config, err := model.ReadConfig(path)
+	if err != nil {
+		return nil, fmt.Errorf("cannot read config from path %q: %w", path, err)
+	}
+
+	return NewServer(config)
 }
 
 func (s *Server) Start() error {
+	// ToDo: start webserver here
+
 	return nil
 }
 
 func (s *Server) Close() error {
+	// ToDo: stop webserver
+	// ToDo: close store
+
 	return nil
 }
diff --git a/services/store/store.go b/services/store/store.go
index 7dffa67..19ed544 100644
--- a/services/store/store.go
+++ b/services/store/store.go
@@ -25,6 +25,7 @@ func addPathOptions(path string) string {
 func NewStore(path string) (*Store, error) {
 	s := &Store{Path: path}
 
+	// ToDo: should do this at start time instead of create time?
 	conn, err := sql.Open("sqlite3", addPathOptions(path))
 	if err != nil {
 		return nil, err
diff --git a/web/web.go b/web/web.go
new file mode 100644
index 0000000..e5b969d
--- /dev/null
+++ b/web/web.go
@@ -0,0 +1,22 @@
+package web
+
+import (
+	"fmt"
+	"net/http"
+)
+
+func NewWebServer(port int) (*http.Server, error) {
+	mux := http.NewServeMux()
+
+	// ToDo: configure routes
+	mux.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
+		fmt.Fprintf(w, "Hello rmsn!!")
+	})
+
+	s := &http.Server{
+		Addr:    fmt.Sprintf(":%d", port),
+		Handler: mux,
+	}
+
+	return s, nil
+}