refactor routing, update readme

README.md

@@ -1,5 +1,10 @@
 # Todo App with GO and HTMX
 
+Goal: make a todo app with minimal reliance on other libraries and frameworks.
+
+I'll assume that it is a single user app so I do not have to worry about concurrent access, high throughput, 
+etc.. 
+
 ## Plan day 1
 
 - [x] create Go webserver
@@ -14,16 +19,17 @@
 - [x] persist todos in redis
 - [x] spruce up 
 
+
 ## Plan day 2
 
-make it use only battery included features, 
+make it use only battery included features
 
 i.e. replace redis with an event driven approach
 
 - [x] modularize app
 - [x] replace redis with json stream
 - [x] use hashmap for fast individual access
-- [ ] cache data to avoid reading each time
+- [x] cache data to avoid reading each time
-- [ ] create event store
+- [x] create event store
-- [ ] make events
+- [x] make events
-- [ ] implement event store
+- [x] implement event store

go.mod

@@ -1,3 +1,3 @@
 module snamellit.com/play/todo
 
-go 1.21.0
+go 1.21

internal/persist/persist.go

@@ -3,11 +3,11 @@ package persist
 import (
 	"encoding/json"
 	"fmt"
-	"os"
 	"io"
-)
+	"os"
 
-import "snamellit.com/play/todo/internal/model"
+	"snamellit.com/play/todo/internal/model"
+)
 
 var EMPTY_TODO = model.Todo{Id: 0, Title: "", Completed: false}
 

internal/webserver/webserver.go

@@ -9,6 +9,10 @@ import (
 )
 
 
+func PathHandleFunc(path string, f func(http.ResponseWriter, *http.Request)) {
+	http.Handle(path, http.StripPrefix(path, http.HandlerFunc(f)))
+}
+
 func IndexHandler(w http.ResponseWriter, r *http.Request) {
 	t, _ := template.ParseFiles("templates/index.html")
 	t.Execute(w, nil)

main.go

@@ -14,10 +14,8 @@ func main() {
         http.Handle("/static/", http.StripPrefix("/static/", fs))
 	http.HandleFunc("/", webserver.IndexHandler)
 	http.HandleFunc("/todos", webserver.TodosHandler)
-	togglePath := "/toggle-todo/"
+	webserver.PathHandleFunc("/toggle-todo/", webserver.ToggleTodoHandler)
-	http.Handle(togglePath, http.StripPrefix(togglePath, http.HandlerFunc(webserver.ToggleTodoHandler)))
+	webserver.PathHandleFunc("/todo/", webserver.TodoHandler)
-	todoPath := "/todo/"
-	http.Handle(todoPath, http.StripPrefix(todoPath, http.HandlerFunc(webserver.TodoHandler)))
 
 	log.Fatal(http.ListenAndServe(":8080", nil))
 }