Structure pt 1

6 files changed, 153 insertions, 0 deletions

diff --git a/src/Render/Render.go b/src/Render/Render.go
new file mode 100644
index 0000000..85061d7
--- /dev/null
+++ b/src/Render/Render.go
@@ -0,0 +1,41 @@
+package render
+
+import (
+	"fmt"
+	"log/slog"
+	"net/http"
+	"strings"
+
+	settings "physick.ru/Settings"
+)
+
+const indexTemplateName string = "index.html"
+
+func RegisterEndpoints() {
+	// http.Handle("static/", http.FileServer(http.FS(os.DirFS(settings.Current.StaticLocation))))
+	http.HandleFunc("/", mux)
+}
+
+func mux(w http.ResponseWriter, r *http.Request) {
+	slog.Info("Request", slog.String("URL", r.URL.String()))
+	if r.URL.String() == "/favicon.ico" {
+		http.ServeFile(w, r, fmt.Sprintf("%s/favicon.ico", settings.Current.StaticLocation))
+	}
+	if strings.HasPrefix(r.URL.String(), "/static") {
+		var filePath = strings.Replace(r.URL.String(), "/static", settings.Current.StaticLocation, 1)
+		http.ServeFile(w, r, filePath)
+		return
+	}
+	render(w, r)
+}
+
+func render(w http.ResponseWriter, r *http.Request) {
+	var indexTempl, readErr = getTemplateString(indexTemplateName)
+	if readErr != nil {
+		slog.Warn("Failed to load template", slog.Any("Error", readErr))
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	slog.Info("Requested a template")
+	w.Write([]byte(indexTempl))
+}
diff --git a/src/Render/Templates.go b/src/Render/Templates.go
new file mode 100644
index 0000000..544a2ac
--- /dev/null
+++ b/src/Render/Templates.go
@@ -0,0 +1,17 @@
+package render
+
+import (
+	"fmt"
+	"os"
+
+	settings "physick.ru/Settings"
+)
+
+func getTemplateString(templName string) (string, error) {
+	var fullPath = fmt.Sprintf("%s/%s", settings.Current.TemplatesLocation, templName)
+	var file, fopenerr = os.ReadFile(fullPath)
+	if fopenerr != nil {
+		return "", fopenerr
+	}
+	return string(file), nil
+}
diff --git a/src/Settings.json b/src/Settings.json
new file mode 100644
index 0000000..c614305
--- /dev/null
+++ b/src/Settings.json
@@ -0,0 +1,5 @@
+{
+	"Port": ":7000",
+	"StaticLocation": "../static",
+	"TemplatesLocation": "../templates"
+}
diff --git a/src/Settings/Settings.go b/src/Settings/Settings.go
new file mode 100644
index 0000000..58daed3
--- /dev/null
+++ b/src/Settings/Settings.go
@@ -0,0 +1,67 @@
+package settings
+
+import (
+	"encoding/json"
+	"fmt"
+	"os"
+	"strings"
+)
+
+type Settings struct {
+	Port string
+	StaticLocation string
+	TemplatesLocation string
+}
+
+const settingsLocation = "Settings.json"
+
+var defaultSettings = Settings {
+	Port: ":6969",
+	StaticLocation: "../static",
+	TemplatesLocation: "../templates",
+}
+
+
+var Current Settings = Settings{}
+
+func ReadSettings() {
+	var file, fopenerr = os.ReadFile(settingsLocation)
+	if fopenerr != nil {
+		var success, inintBody = createSettingsFile()
+		if success {
+			file = inintBody
+		} else {
+			panic(fmt.Sprintf("Unable to load or create settings file. \nOriginal error: %v\n", fopenerr.Error()))
+		}
+	}
+	var data = Settings{}
+	json.Unmarshal(file, &data)
+	var validationErr = data.Validate()
+	if validationErr != nil {
+		panic(fmt.Sprintf("Failed to load settings file: %s", validationErr.Error()))
+	}
+	Current = data
+}
+
+func createSettingsFile() (bool, []byte ) {
+	var file, err = os.Create(settingsLocation)
+	if err != nil {
+		return false, nil
+	}
+	defer file.Close()
+	var inititalData = defaultSettings
+	var body, jsonerr = json.MarshalIndent(inititalData, "", "	")
+	if jsonerr != nil {
+		return false, nil
+	}
+	fmt.Fprint(file, string(body))
+	return true, body
+}
+
+// Returns an error with the issue description if the settings are invalid
+func (base *Settings) Validate() error {
+	if len(base.Port) == 0 || !strings.Contains(base.Port, ":") {
+		return fmt.Errorf("The port string is invalid")
+	}
+	return nil
+}
diff --git a/src/go.mod b/src/go.mod
new file mode 100644
index 0000000..27c0362
--- /dev/null
+++ b/src/go.mod
@@ -0,0 +1,3 @@
+module physick.ru
+
+go 1.25.4
diff --git a/src/main.go b/src/main.go
new file mode 100644
index 0000000..c950f14
--- /dev/null
+++ b/src/main.go
@@ -0,0 +1,20 @@
+package main
+
+import (
+	"log/slog"
+	"net/http"
+
+	render "physick.ru/Render"
+	settings "physick.ru/Settings"
+)
+
+func main() {
+	settings.ReadSettings()
+
+	render.RegisterEndpoints()
+
+	var httpErr = http.ListenAndServe(settings.Current.Port, nil)
+	if httpErr != nil {
+		slog.Error("Server error", slog.Any("Message", httpErr))
+	}
+}