docs handling

http/controller.docs.go

@@ -0,0 +1,63 @@
+package http
+
+import (
+	"fmt"
+	"net/http"
+	"os"
+	"teletype_softwares/domain"
+
+	"github.com/go-chi/chi/v5"
+)
+
+type DocsController struct {
+	softwareService domain.SoftwareServiceInterface
+	fileService     domain.FileServiceInterface
+}
+
+func NewDocsController(software_service domain.SoftwareServiceInterface, file_service domain.FileServiceInterface) *DocsController {
+	return &DocsController{
+		softwareService: software_service,
+		fileService:     file_service,
+	}
+}
+
+func (c *DocsController) ServeDocs(w http.ResponseWriter, r *http.Request) {
+	name := chi.URLParam(r, "name")
+	version := chi.URLParam(r, "version")
+
+	software, err := c.softwareService.GetByName(name)
+	if err != nil {
+		if err == domain.ErrSoftwareNotFound {
+			http.Error(w, "Software not found", http.StatusNotFound)
+			return
+		}
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	var targetRelease *domain.Release
+	for _, release := range software.Releases {
+		if release.Version == version && release.DocsFolderPath != "" {
+			targetRelease = &release
+			break
+		}
+	}
+
+	if targetRelease == nil {
+		http.Error(w, "No documentation found for this release", http.StatusNotFound)
+		return
+	}
+
+	docs_base_dir := c.fileService.GetPath(targetRelease.DocsFolderPath)
+
+	if _, err := os.Stat(docs_base_dir); os.IsNotExist(err) {
+		http.Error(w, fmt.Sprintf("Documentation for '%s' version '%s' not found.", name, version), http.StatusNotFound)
+		return
+	} else if err != nil {
+		http.Error(w, fmt.Sprintf("Error accessing documentation for '%s' version '%s': %v", name, version, err), http.StatusInternalServerError)
+		return
+	}
+
+	fs := http.StripPrefix(fmt.Sprintf("/docs/%s/%s", name, version), http.FileServer(http.Dir(docs_base_dir)))
+	fs.ServeHTTP(w, r)
+}