Merge pull request 'An API for Guichet' (#23) from api into main

Reviewed-on: https://git.deuxfleurs.fr/Deuxfleurs/guichet/pulls/23

1 files changed, 127 insertions, 0 deletions

diff --git a/api.go b/api.go
new file mode 100644
index 0000000..e99fce5
--- /dev/null
+++ b/api.go
@@ -0,0 +1,127 @@
+package main
+
+import (
+	"encoding/json"
+	"errors"
+	"fmt"
+	"github.com/gorilla/mux"
+	"net/http"
+)
+
+func handleAPIWebsiteList(w http.ResponseWriter, r *http.Request) {
+	user := RequireUserApi(w, r)
+
+	if user == nil {
+		return
+	}
+
+	ctrl, err := NewWebsiteController(user)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if r.Method == http.MethodGet {
+		describe, err := ctrl.Describe()
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(describe)
+		return
+	}
+
+	http.Error(w, "This method is not implemented for this endpoint", http.StatusNotImplemented)
+	return
+}
+
+func handleAPIWebsiteInspect(w http.ResponseWriter, r *http.Request) {
+	user := RequireUserApi(w, r)
+
+	if user == nil {
+		return
+	}
+
+	bucketName := mux.Vars(r)["bucket"]
+	ctrl, err := NewWebsiteController(user)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusInternalServerError)
+		return
+	}
+
+	if r.Method == http.MethodGet {
+		view, err := ctrl.Inspect(bucketName)
+		if errors.Is(err, ErrWebsiteNotFound) {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		} else if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(view)
+		return
+	}
+
+	if r.Method == http.MethodPost {
+		view, err := ctrl.Create(bucketName)
+		if errors.Is(err, ErrEmptyBucketName) {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		} else if errors.Is(err, ErrWebsiteQuotaReached) {
+			http.Error(w, err.Error(), http.StatusForbidden)
+			return
+		} else if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.WriteHeader(http.StatusCreated)
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(view)
+		return
+	}
+
+	if r.Method == http.MethodPatch {
+		var patch WebsitePatch
+		err := json.NewDecoder(r.Body).Decode(&patch)
+		if err != nil {
+			http.Error(w, errors.Join(fmt.Errorf("Can't parse the request body as a website patch JSON"), err).Error(), http.StatusBadRequest)
+			return
+		}
+
+		view, err := ctrl.Patch(bucketName, &patch)
+		if errors.Is(err, ErrWebsiteNotFound) {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		} else if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+
+		w.Header().Set("Content-Type", "application/json")
+		json.NewEncoder(w).Encode(view)
+		return
+	}
+
+	if r.Method == http.MethodDelete {
+		err := ctrl.Delete(bucketName)
+		if errors.Is(err, ErrEmptyBucketName) || errors.Is(err, ErrBucketDeleteNotEmpty) || errors.Is(err, ErrBucketDeleteUnfinishedUpload) {
+			http.Error(w, err.Error(), http.StatusBadRequest)
+			return
+		} else if errors.Is(err, ErrWebsiteNotFound) {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		} else if err != nil {
+			http.Error(w, err.Error(), http.StatusInternalServerError)
+			return
+		}
+		w.WriteHeader(http.StatusNoContent)
+		return
+
+	}
+
+	http.Error(w, "This method is not implemented for this endpoint", http.StatusNotImplemented)
+	return
+}