feat: private posts

internal/auth/controller.go

@@ -116,12 +116,14 @@ func (s *Service) Login(w http.ResponseWriter, r *http.Request) {
 	}
 
 	if err := s.db.First(&user).Error; err != nil {
-		fmt.Fprint(w, "user not found")
 		w.WriteHeader(http.StatusBadRequest)
+		fmt.Fprint(w, "user not found")
+		return
 	}
 	if err := bcrypt.CompareHashAndPassword(user.Password, []byte(login.Password)); err != nil {
-		fmt.Fprint(w, "Invalid Password")
 		w.WriteHeader(http.StatusBadRequest)
+		fmt.Fprint(w, "Invalid Password")
+		return
 	}
 
 	token, err := s.createJWT(&user)
@@ -134,8 +136,8 @@ func (s *Service) Login(w http.ResponseWriter, r *http.Request) {
 		Token: token,
 	})
 	if err != nil {
-		log.Println("Error: ", err)
 		w.WriteHeader(http.StatusInternalServerError)
+		log.Println("Error: ", err)
 		return
 	}
 

internal/auth/middleware.go

@@ -8,11 +8,16 @@ import (
 )
 
 // Authenticated: This function is a middleware that authenticates incoming HTTP requests using JWT tokens and role-based access control.
-func (s *Service) Authenticated(next http.HandlerFunc, roles ...model.Role) http.Handler {
+func (s *Service) Authenticated(next http.HandlerFunc, mustauth bool, roles ...model.Role) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
 		// Our middleware logic goes here...
 		token, err := extractToken(r)
 		if err != nil {
+			if !mustauth {
+				r = writeToContext(r, nil)
+				next(w, r)
+				return
+			}
 			w.WriteHeader(http.StatusUnauthorized)
 			return
 		}

internal/initialize/inject.go

@@ -26,7 +26,7 @@ func CreateMux(cfg *config.Config) (r *mux.Router) {
 		w.WriteHeader(http.StatusNoContent)
 	})
 
-	return
+	return r
 }
 
 func frontend(r *mux.Route) {
@@ -51,12 +51,13 @@ func app(r *mux.Router, cfg *config.Config) {
 	// auth
 	r.HandleFunc("/auth/login", auth.Login).Methods("POST")
 	r.HandleFunc("/auth/signup", auth.Signup).Methods("POST")
-	r.Handle("/auth/password", auth.Authenticated(auth.ChangePassword)).Methods("PUT")
-	r.Handle("/auth/logout", auth.Authenticated(auth.Logout)).Methods("DELETE")
+	r.Handle("/auth/password", auth.Authenticated(auth.ChangePassword, true)).Methods("PUT")
+	r.Handle("/auth/logout", auth.Authenticated(auth.Logout, true)).Methods("DELETE")
 
 	// Posts
-	r.Handle("/posts", auth.Authenticated(blg.SavePost, model.RoleUser, model.RoleAdmin)).Methods("POST")
-	r.Handle("/posts", auth.Authenticated(blg.SavePost, model.RoleUser, model.RoleAdmin)).Methods("PUT")
-	r.Handle("/posts/{postID}", auth.Authenticated(blg.DeletePost, model.RoleUser, model.RoleAdmin)).Methods("DELETE")
-	r.Handle("/posts", http.HandlerFunc(blg.GetAllPosts)).Methods("GET")
+	r.Handle("/posts", auth.Authenticated(blg.SavePost, true, model.RoleUser, model.RoleAdmin)).Methods("POST")
+	r.Handle("/posts", auth.Authenticated(blg.SavePost, true, model.RoleUser, model.RoleAdmin)).Methods("PUT")
+	r.Handle("/posts/{postID}", auth.Authenticated(blg.DeletePost, true, model.RoleUser, model.RoleAdmin)).Methods("DELETE")
+	r.Handle("/posts", auth.Authenticated(blg.GetAllPosts, false)).Methods("GET")
+	r.Handle("/posts/secret/{secret}", http.HandlerFunc(blg.GetPostBySecret)).Methods("GET")
 }

internal/model/blog.go

@@ -13,6 +13,8 @@ type Post struct {
 	Content  string `json:"content"`
 	Comments []Comment
 	UserID   uint    `gorm:"->;<-:create"`
+	Private  bool    `json:"private" gorm:"-"`
+	Secret   *string `json:"secret,omitempty" gorm:"->;<-:create;unique"`
 }
 
 // Comment represents a comment on a post, including its ID, post association, content, and creator.

internal/posts/controller.go

@@ -9,6 +9,7 @@ import (
 
 	"git.schreifuchs.ch/schreifuchs/ng-blog/internal/auth"
 	"git.schreifuchs.ch/schreifuchs/ng-blog/internal/model"
+	"github.com/google/uuid"
 	"github.com/gorilla/mux"
 )
 
@@ -28,6 +29,13 @@ func (s Service) SavePost(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
+	if post.Private {
+		secret := uuid.NewString()
+		post.Secret = &secret
+	} else {
+		post.Secret = nil
+	}
+
 	post.UserID = claims.UserID
 
 	if err := s.db.Save(&post).Error; err != nil {
@@ -50,13 +58,56 @@ func (s Service) SavePost(w http.ResponseWriter, r *http.Request) {
 func (s Service) GetAllPosts(w http.ResponseWriter, r *http.Request) {
 	var posts []model.Post
 
+	claims, ok := auth.ExtractClaims(r.Context())
+	if !ok {
+		claims = nil
+	}
+
 	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)
+	newPosts := make([]model.Post, 0, len(posts))
+	for _, p := range posts {
+		if p.Secret == nil {
+			newPosts = append(newPosts, p)
+			continue
+		}
+		if claims == nil {
+			continue
+		}
+		if claims.UserID == p.UserID {
+			newPosts = append(newPosts, p)
+		}
+	}
+
+	res, err := json.Marshal(&newPosts)
+	if err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusInternalServerError)
+		return
+	}
+	w.Write(res)
+}
+
+// GetPostBySecret retrieves a post by its secret from the database, eager-loads comments, and returns it as JSON.
+func (s Service) GetPostBySecret(w http.ResponseWriter, r *http.Request) {
+	secret, ok := mux.Vars(r)["secret"]
+	if !ok {
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	var post model.Post
+	if err := s.db.Preload("Comments").Where("secret = ?", secret).First(&post).Error; err != nil {
+		fmt.Fprint(w, err.Error())
+		w.WriteHeader(http.StatusNotFound)
+		return
+	}
+
+	res, err := json.Marshal(&post)
 	if err != nil {
 		fmt.Fprint(w, err.Error())
 		w.WriteHeader(http.StatusInternalServerError)

web/src/app/app.routes.ts

@@ -6,6 +6,7 @@ import { LoggedInGuard } from './shared/guards/logged-in.guard';
 import { CreatePostComponent } from './routes/post/create-post/create-post.component';
 import { UpdatePostComponent } from './routes/post/update-post/update-post.component';
 import { AccountComponent } from './routes/dashboard/account/account.component';
+import { SecretPostComponent } from './routes/post/secret-post/secret-post.component';
 
 export const routes: Routes = [
   { path: '', component: HomeComponent },
@@ -13,6 +14,7 @@ export const routes: Routes = [
     path: 'post',
     children: [
       { path: 'new', component: CreatePostComponent },
+      { path: 'secret/:secret', component: SecretPostComponent },
       { path: ':id/edit', component: UpdatePostComponent },
       {
         path: ':id',

web/src/app/components/post-editor/post-editor.component.html

@@ -1,4 +1,16 @@
 <div class="grid grid-cols-1 sm:grid-cols-2 gap-5">
+  <div class="flex justify-between">
+    <label>Private:</label>
+    <input
+      type="checkbox"
+      [ngModel]="data().private"
+      (ngModelChange)="private = $event"
+      class="p-1 border-2 rounded-md col-span-2"
+    />
+  </div>
+  <p>
+    {{ data().private ? "this post is private" : "this post is public" }}
+  </p>
   <div class="grid grid-cols-3">
     <label>Title:</label>
     <input

web/src/app/components/post-editor/post-editor.component.ts

@@ -22,9 +22,18 @@ export class PostEditorComponent {
     title: '',
     tldr: '',
     content: '',
+    private: false,
   });
   @Output('postChange') dataChange = new EventEmitter<Post>();
 
+  constructor() {
+    effect(() => {
+      if (this.data().private === null) {
+        this.private = false;
+      }
+    });
+  }
+
   set title(val: string) {
     this.data.update((d) => ({ ...d, title: val }));
   }
@@ -36,4 +45,7 @@ export class PostEditorComponent {
   set content(val: string) {
     this.data.update((d) => ({ ...d, content: val }));
   }
+  set private(val: boolean) {
+    this.data.update((d) => ({ ...d, private: val }));
+  }
 }

web/src/app/routes/dashboard/dashboard.component.html

@@ -12,7 +12,7 @@
 <section class="grid grid-cols-1 gap-5 m-5">
   <article
     *ngFor="let post of posts()"
-    class="p-5 grid grid-cols-5 grid-rows-3 items-start rounded-s bg-white drop-shadow-md hover:drop-shadow-lg"
+    class="p-5 grid grid-cols-5 grid-rows-3 items-start rounded-s bg-white drop-shadow-md hover:drop-shadow-lg gap-5"
   >
     <h3 class="text-xl col-span-4">{{ post.title }}</h3>
     <p class="col-start-1 col-span-4 row-start-2 row-span-2">
@@ -31,5 +31,14 @@
     >
       Delete
     </app-button>
+    @if (post.secret !== undefined) {
+      <app-button
+        (click)="getPath(post.secret)"
+        class="col-start-5 row-start-2"
+        color="yellow"
+      >
+        Copy Link
+      </app-button>
+    }
   </article>
 </section>

web/src/app/routes/dashboard/dashboard.component.ts

@@ -17,4 +17,8 @@ export class DashboardComponent {
   delete(id: number) {
     this.postsService.deletePost(id);
   }
+  getPath(secret: string) {
+    const url = document.URL.replaceAll('/dashboard', '');
+    navigator.clipboard.writeText(`${url}/post/secret/${secret}`);
+  }
 }

web/src/app/routes/post/post.component.ts

@@ -1,6 +1,5 @@
 import { Component, inject, Input } from '@angular/core';
 import { PostsService } from '../../shared/services/posts.service';
-import { JsonPipe, NgIf } from '@angular/common';
 import { MarkdownComponent } from '../../components/markdown/markdown.component';
 
 @Component({

web/src/app/routes/post/secret-post/secret-post.component.html

@@ -0,0 +1,7 @@
+<h2 class="text-3xl">{{ post()?.title }}</h2>
+<p class="mb-5 italic text-sm">TL;DR; {{ post()?.tldr }}</p>
+
+<app-markdown
+  class="todo"
+  [markdown]="post()?.content || 'this post is empty'"
+/>

web/src/app/routes/post/secret-post/secret-post.component.ts

@@ -0,0 +1,28 @@
+import {
+  Component,
+  inject,
+  Input,
+  OnInit,
+  signal,
+  WritableSignal,
+} from '@angular/core';
+import { PostsService } from '../../../shared/services/posts.service';
+import { Post } from '../../../shared/interfaces/post';
+import { MarkdownComponent } from '../../../components/markdown/markdown.component';
+
+@Component({
+  selector: 'app-secret-post',
+  imports: [MarkdownComponent],
+  templateUrl: './secret-post.component.html',
+})
+export class SecretPostComponent implements OnInit {
+  @Input() secret!: string;
+  private postsService = inject(PostsService);
+  post: WritableSignal<Post | undefined> = signal(undefined);
+
+  ngOnInit(): void {
+    this.postsService.getPostBySecret(this.secret).subscribe((post) => {
+      this.post.set(post);
+    });
+  }
+}

web/src/app/shared/interfaces/post.ts

@@ -3,6 +3,8 @@ export interface Post {
   title: string;
   tldr: string;
   content: string;
+  private?: boolean;
+  secret?: string;
 }
 
 export interface Comment {

web/src/app/shared/services/posts.service.ts

@@ -35,6 +35,9 @@ export class PostsService {
   getPost(id: number): Signal<Post | undefined> {
     return computed(() => this.posts().get(id));
   }
+  getPostBySecret(secret: string) {
+    return this.http.get<Post>(`${environment.apiRoot}/posts/secret/${secret}`);
+  }
 
   deletePost(id: number) {
     this.http.delete(`${environment.apiRoot}/posts/${id}`).subscribe(() => {