serve frontend from go

internal/posts/controller.go

@@ -0,0 +1,93 @@
+package posts
+
+import (
+	"encoding/json"
+	"fmt"
+	"log"
+	"net/http"
+	"strconv"
+
+	"git.schreifuchs.ch/schreifuchs/ng-blog/internal/auth"
+	"git.schreifuchs.ch/schreifuchs/ng-blog/internal/model"
+	"github.com/gorilla/mux"
+)
+
+// SavePost handles saving a new post to the database after extracting user claims and decoding the request body.
+func (s Service) SavePost(w http.ResponseWriter, r *http.Request) {
+	claims, ok := auth.ExtractClaims(r.Context())
+	if !ok {
+		log.Println("Err could not ExtractClaims")
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	var post model.Post
+	if err := json.NewDecoder(r.Body).Decode(&post); err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusBadRequest)
+		return
+	}
+
+	post.UserID = claims.UserID
+
+	if err := s.db.Save(&post).Error; err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	res, err := json.Marshal(&post)
+	if err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	w.Write(res)
+}
+
+// GetAllPosts retrieves all posts from the database, eager-loads comments, orders them by creation time, and returns them as JSON.
+func (s Service) GetAllPosts(w http.ResponseWriter, r *http.Request) {
+	var posts []model.Post
+
+	if err := s.db.Preload("Comments").Order("created_at DESC").Find(&posts).Error; err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	res, err := json.Marshal(&posts)
+	if err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	w.Write(res)
+}
+
+// DeletePost handles deleting a post from the database based on its ID and user authentication.
+func (s Service) DeletePost(w http.ResponseWriter, r *http.Request) {
+	idStr, ok := mux.Vars(r)["postID"]
+	if !ok {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+	id, err := strconv.Atoi(idStr)
+	if err != nil {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+	claims, ok := auth.ExtractClaims(r.Context())
+	if !ok {
+		log.Println("Err could not ExtractClaims")
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+
+	err = s.db.Where("user_id = ?", claims.UserID).Delete(&model.Post{}, id).Error
+	if err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+	}
+	w.WriteHeader(http.StatusNoContent)
+}

internal/posts/resource.go

@@ -0,0 +1,13 @@
+package posts
+
+import "gorm.io/gorm"
+
+// Service Represents a service with a database connection.
+type Service struct {
+	db *gorm.DB
+}
+
+// Service New creates a new Service instance, initializing it with a GORM database connection.
+func New(db *gorm.DB) *Service {
+	return &Service{db: db}
+}