31.12.2018

common/mongo.go

@@ -0,0 +1,19 @@
+package common
+
+import (
+	"gopkg.in/mgo.v2"
+)
+
+type mongo struct {
+	Posts *mgo.Collection
+}
+
+var DB *mongo
+
+func ConnectDB() {
+	session, err := mgo.Dial("localhost")
+	if err != nil {
+		panic(err)
+	}
+	DB = &mongo{Posts: session.DB("blogdb").C("posts")}
+}

main.go

@@ -5,15 +5,19 @@ import (
 	"html/template"
 	"net/http"
 
+	"git.wmi.amu.edu.pl/s439508/Pracownia.Programowania/common"
 	"git.wmi.amu.edu.pl/s439508/Pracownia.Programowania/helpers"
 	"git.wmi.amu.edu.pl/s439508/Pracownia.Programowania/models"
 	"github.com/go-martini/martini"
 	"github.com/martini-contrib/render"
 )
 
-var posts map[string]*models.Post
-
 func index(rend render.Render) {
+	posts, err := models.Posts.FindAll()
+	if err != nil {
+		rend.Error(http.StatusBadRequest)
+		return
+	}
 	rend.HTML(http.StatusOK, "index", posts)
 
 }
@@ -23,10 +27,9 @@ func write(rend render.Render) {
 }
 
 func edit(rend render.Render, w http.ResponseWriter, r *http.Request, params martini.Params) {
-	id := params["id"]
+	post, err := models.Posts.FindOne(params["id"])
-	post, found := posts[id]
+	if err != nil {
-	if !found {
+		rend.Error(http.StatusNotFound)
-		rend.Redirect("/")
 		return
 	}
 	rend.HTML(http.StatusOK, "write", post)
@@ -38,28 +41,28 @@ func savePost(rend render.Render, w http.ResponseWriter, r *http.Request) {
 	contentMd := r.FormValue("content")
 	contentHtml := helpers.MarkdownToHtml(contentMd)
 
-	var post *models.Post
 	if id != "" {
-		post = posts[id]
+		if err := models.Posts.Update(id, title, contentHtml, contentMd); err != nil {
-		post.Title = title
+			rend.Error(http.StatusBadRequest)
-		post.ContentHtml = contentHtml
+			return
-		post.ContentMd = contentMd
+		}
 	} else {
-		post := models.NewPost(helpers.GenerateId(), title, contentHtml, contentMd)
+
-		posts[post.Id] = post
+		if _, err := models.Posts.Create(helpers.GenerateId(), title, contentHtml, contentMd); err != nil {
+			rend.Error(http.StatusBadRequest)
+			return
+		}
 	}
 
 	rend.Redirect("/")
 }
 
 func deletePost(rend render.Render, w http.ResponseWriter, r *http.Request, params martini.Params) {
-	id := params["id"]
+	if err := models.Posts.DeletebyId(params["id"]); err != nil {
-	if id == "" {
+		rend.Error(http.StatusNotFound)
-		http.NotFound(w, r)
+		return
 	}
 
-	delete(posts, id)
-
 	rend.Redirect("/")
 }
 
@@ -74,7 +77,7 @@ func unescape(s string) interface{} {
 }
 
 func main() {
-	posts = make(map[string]*models.Post, 0)
+	common.ConnectDB()
 
 	fmt.Println("Listening port 3000")
 	m := martini.Classic()

models/post.go

@@ -1,12 +1,60 @@
 package models
 
+import (
+	"git.wmi.amu.edu.pl/s439508/Pracownia.Programowania/common"
+	"gopkg.in/mgo.v2/bson"
+)
+
 type Post struct {
-	Id          string
+	Id          string `bson:"_id,omitempty"`
-	Title       string
+	Title       string `bson:"title"`
-	ContentHtml string
+	ContentHtml string `bson:"content_html"`
-	ContentMd   string
+	ContentMd   string `bson:"content_md"`
 }
 
-func NewPost(id, title, contentHtml, contentMd string) *Post {
+//Post
-	return &Post{id, title, contentHtml, contentMd}
+var Posts = new(posts)
+
+type posts struct{}
+
+func (posts) FindOne(id string) (*Post, error) {
+	var p *Post
+	return p, common.DB.Posts.Find(bson.M{"_id": id}).One(&p)
+}
+
+func (posts) FindAll() ([]*Post, error) {
+	var ps []*Post
+	return ps, common.DB.Posts.Find(nil).All(&ps)
+}
+
+func (posts) Create(id, title, contentHtml, contentMd string) (*Post, error) {
+	p := &Post{
+		Id:          id,
+		Title:       title,
+		ContentMd:   contentMd,
+		ContentHtml: contentHtml,
+	}
+	if err := common.DB.Posts.Insert(p); err != nil {
+		return nil, err
+	}
+	return p, nil
+
+}
+
+func (posts) Update(id, title, contentHtml, contentMd string) error {
+	if err := common.DB.Posts.UpdateId(id,
+		bson.M{"$set": bson.M{
+			"title":        title,
+			"content_html": contentHtml,
+			"content_md":   contentMd,
+		}}); err != nil {
+		return err
+	}
+	return nil
+}
+func (posts) DeletebyId(id string) error {
+	if err := common.DB.Posts.RemoveId(id); err != nil {
+		return err
+	}
+	return nil
 }

views/index.html

@@ -13,6 +13,7 @@
             {{ $value.ContentHtml | unescape }}
         </div>
            
+
         <div class="col-xs-2"></div>
 </div>
 {{end}}

views/layout.html

@@ -21,8 +21,8 @@
         </div>
          <div class="collapse navbar-collapse">
             <ul class="nav navbar-nav">
-              <li class="active"><a href="/">Home</a></li>
+              <li class="active"><a href="/">Strona Głowna</a></li>
-              <li><a href="/write">New Post</a></li>
+              <li><a href="/write">Nowy Post</a></li>
             </ul>
         </div>
         </div>

views/write.html

@@ -1,21 +1,21 @@
 <div class="row">
     <div class="col-xs-2">
         {{ if.Id }}
-        <a href="/deletePost/{{.Id}}">Delete</a>
+        <a href="/deletePost/{{.Id}}">Usuń</a>
         {{ end }}
     </div>
     <div class="col-xs-4">
         <form action="/savePost" method="POST" role="form">
             <input type="hidden" name="id" value="{{.Id}}"/>
             <div class="form-group">
-                <label for="title">Tytul</label>
+                <label for="title">Tytuł</label>
                 <input type="text" class="form-control" id="title" name="title" value ="{{.Title}}"/>
             </div>
             <div class="form-group">
-                <label for="content">Content</label>
+                <label for="content">Treść</label>
                 <textarea name="content" id="content">{{.ContentMd}}</textarea>
             </div>
-        <button type="submit" class="btn btn-default">Submit</button>
+        <button type="submit" class="btn btn-default">Akceptuj</button>
         </form>
     </div>
     <div class="col-xs-6" id="md">

views/write1.html

@@ -0,0 +1,26 @@
+<div class="row">
+    <div class="col-xs-2">
+        {{ if.Id }}
+        <a href="/deletePost/{{.Id}}">Usuń</a>
+        {{ end }}
+    </div>
+    <div class="col-xs-4">
+        <form action="/savePost" method="POST" role="form">
+            <input type="hidden" name="id" value="{{.Id}}"/>
+            <div class="form-group">
+                <label for="title">Tytuł</label>
+                <input type="text" class="form-control" id="title" name="title" value ="{{.Title}}"/>
+            </div>
+            <div class="form-group">
+                <label for="content">Treść</label>
+                <textarea name="content" id="content">{{.ContentMd}}</textarea>
+            </div>
+        <button type="submit" class="btn btn-default">Akceptuj</button>
+        </form>
+    </div>
+    <div class="col-xs-6" id="md">
+        {{ .ContentHtml | unescape}}
+  
+    </div>
+</div>
+