コード例 #1
0
ファイル: helper.go プロジェクト: dancannon/gocrud
func (h *Helper) CreateOrUpdate(w http.ResponseWriter, r *http.Request) {
	var e Entity
	if ok := x.ParseRequest(w, r, &e); !ok {
		return
	}
	if e.Child != nil {
		if len(e.Child.Id) > 0 {
			x.SetStatus(w, x.E_INVALID_REQUEST, "Child cannot have id specified")
			return
		}
	}
	if len(e.Id) == 0 || len(e.Kind) == 0 {
		x.SetStatus(w, x.E_INVALID_REQUEST, "No id or kind specified")
		return
	}
	if len(e.Source) == 0 {
		x.SetStatus(w, x.E_INVALID_REQUEST, "No source specified")
		return
	}

	n := api.Get(e.Kind, e.Id).SetSource(e.Source)
	for key, val := range e.Data {
		n.Set(key, val)
	}
	if e.Child != nil {
		c := n.AddChild(e.Child.Kind)
		if len(e.Child.Source) > 0 {
			c.SetSource(e.Child.Source)
		}
		for key, val := range e.Child.Data {
			c.Set(key, val)
		}
	}
	if err := n.Execute(h.ctx); err != nil {
		x.SetStatus(w, x.E_ERROR, err.Error())
		return
	}
	x.SetStatus(w, x.E_OK, "Stored")
}
コード例 #2
0
ファイル: main.go プロジェクト: Kemonozume/webmgallery
func main() {
	rand.Seed(time.Now().UnixNano())
	fmt.Println("Running...")

	ctx = new(req.Context)

	l := new(store.Leveldb)
	l.SetBloomFilter(13)
	ctx.Store = l
	ctx.Store.Init("leveldb", "test")

	e := echo.New()
	e.SetDebug(true)
	e.Use(mw.Recover())
	e.Static("/assets/", "public/assets")
	e.Get("/webms/:name", func(c *echo.Context) error {
		resp := c.Response()
		name := c.Param("name")
		resp.Header().Add("Content-Type", "video/webm")
		http.ServeFile(resp, c.Request(), "webms/"+name)
		return nil
	})
	e.Static("/webms/", "webms")

	//e.ServeFile("/", "public/index.html")
	e.Get("/", func(c *echo.Context) error {
		http.ServeFile(c.Response(), c.Request(), "public/index.html")
		return nil
	})

	e.ServeFile("/upload", "public/upload.html")
	e.Post("/upload", func(c *echo.Context) error {
		req := c.Request()

		name := req.FormValue("name")
		ttags := req.FormValue("tags")
		tags := strings.Split(ttags, " ")
		path := x.UniqueString(10)

		// Read files
		file := req.MultipartForm.File["file"]
		src, err := file[0].Open()
		if err != nil {
			return err
		}
		defer src.Close()

		// Destination file
		dst, err := os.Create("webms/" + path + ".webm")
		if err != nil {
			return err
		}
		defer dst.Close()

		if _, err = io.Copy(dst, src); err != nil {
			return err
		}

		if err = api.Get("WebmCont", rootid).SetSource(rootid).AddChild("Webm").Set("path", path).
			Set("tags", tags).Set("name", name).Execute(ctx); err != nil {
			return err
		}

		return c.String(http.StatusOK, "eyo uploaded file")
	})

	e.Get("/webm", func(c *echo.Context) error {
		result, err := api.NewQuery("WebmCont", rootid).Collect("Webm").Run(ctx)
		if err != nil {
			return err
		}
		by, err := result.ToJson()
		if err != nil {
			return err
		}
		return c.String(200, string(by))
	})

	e.Get("/webm/filter/:filter", func(c *echo.Context) error {
		tags := strings.Split(c.Param("filter"), "+")
		result, err := api.NewQuery("WebmCont", rootid).Collect("Webm").Run(ctx)
		if err != nil {
			return err
		}
		by, err := filter(result, tags...)
		if err != nil {
			return err
		}
		return c.String(200, string(by))
	})

	e.Get("/webm/:id", func(c *echo.Context) error {
		result, err := api.NewQuery("Webm", c.Param("id")).Run(ctx)
		if err != nil {
			return err
		}
		by, err := result.ToJson()
		if err != nil {
			return err
		}
		return c.String(200, string(by))
	})

	e.Get("/webm/:id/tag/:tag", func(c *echo.Context) error {
		result, err := api.NewQuery("Webm", c.Param("id")).Run(ctx)
		if err != nil {
			return err
		}
		var tags []interface{}
		tagb, ok := result.Columns["tags"].Value.([]interface{})
		if ok {
			tags = tagb
		}
		cont := contains(tags, c.Param("tag"))
		var atags []string
		var resp string
		if cont {
			resp = "removed"
			atags = convertButLeave(tags, c.Param("tag"))
		} else {
			resp = "added"
			atags = convert(tags)
			atags = append(atags, c.Param("tag"))
		}
		err = api.Get("Webm", c.Param("id")).SetSource(rootid).Set("tags", atags).Execute(ctx)
		if err != nil {
			return err
		}

		return c.String(200, resp)
	})

	graceful.ListenAndServe(e.Server(":8080"), 5*time.Second)
}
コード例 #3
0
ファイル: social.go プロジェクト: 123vipulj/gocrud
func main() {
	rand.Seed(time.Now().UnixNano())
	fmt.Println("Running...")
	flag.Parse()

	c = new(req.Context)

	if *storeType == "leveldb" {
		l := new(store.Leveldb)
		l.SetBloomFilter(13)
		c.Store = l
		c.Store.Init(*storeType, "/tmp/ldb_"+x.UniqueString(10))

	} else if *storeType == "cass" {
		cluster := gocql.NewCluster("192.168.59.103")
		cluster.Keyspace = "crudtest"
		cluster.Consistency = gocql.Quorum
		cass := new(store.Cassandra)

		if session, err := cluster.CreateSession(); err != nil {
			panic(err)
		} else {
			cass.SetSession(session)
		}
		c.Store = cass
		c.Store.Init(*storeType, "instructions")

	} else if *storeType == "mysql" {
		db, err := sql.Open("mysql", "[email protected](127.0.0.1:3306)/test")
		if err != nil {
			panic(err)
		}
		if err = db.Ping(); err != nil {
			panic(err)
		}
		log.Info("Connection to mysql successful")
		sqldb := new(store.Sql)
		sqldb.SetDb(db)
		c.Store = sqldb
		c.Store.Init(*storeType, "instructions")

	} else if *storeType == "postgres" {
		db, err := sql.Open("postgres", "postgres://localhost/test?sslmode=disable")
		if err != nil {
			panic(err)
		}
		if err = db.Ping(); err != nil {
			panic(err)
		}
		log.Info("Connection to postgres successful")
		sqldb := new(store.Sql)
		sqldb.SetDb(db)
		c.Store = sqldb
		c.Store.Init(*storeType, "instructions")

	} else if *storeType == "rethinkdb" {
		session, err := r.Connect(r.ConnectOpts{
			// Address:  "192.168.59.103:28015",
			Address:  "localhost:28015",
			Database: "crudtest",
		})
		if err != nil {
			panic(err)
		}
		rethinkdb := new(store.RethinkDB)
		rethinkdb.SetSession(session)
		c.Store = rethinkdb
		c.Store.Init(*storeType, "instructions")

	} else if *storeType == "mongodb" {
		// "192.168.59.103:27017"
		session, err := mgo.Dial("localhost:27017")
		if err != nil {
			panic(err)
		}
		session.SetMode(mgo.Monotonic, true)
		mongodb := new(store.MongoDB)
		mongodb.SetSession(session, "crudtest")
		c.Store = mongodb
		c.Store.Init(*storeType, "instructions")

	} else if *storeType == "datastore" {
		c.TablePrefix = "Test-"
		c.Store = new(store.Datastore)
		c.Store.Init(*storeType, "gce-project-id")

	} else {
		panic("Invalid store")
	}

	var err error
	uid := newUser()

	// Let's get started. User 'uid' creates a new Post.
	// This Post shares a url, adds some text and some tags.
	tags := [3]string{"search", "cat", "videos"}
	err = api.Get("User", uid).SetSource(uid).AddChild("Post").
		Set("url", "www.google.com").Set("body", "You can search for cat videos here").
		Set("tags", tags).Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Print("Stored Post")

	// Now let's add a comment and two likes to our new post.
	// One user would add a comment and one like. Another user would
	// just like the post.
	//
	// It's best to have the same 'source' for one set of operations.
	// In REST APIs, this is how things would always be. Each REST call
	// is from one user (and never two different users).
	// This way the creation of like "entity", and the properties
	// of that new like entity have the same source.
	//
	// So, here's Step 1: A new user would add a comment, and like the post.
	user := printAndGetUser(uid)
	post := user.Post[0]

	p := api.Get("Post", post.Id).SetSource(newUser())
	p.AddChild("Like").Set("thumb", 1)
	p.AddChild("Comment").Set("body",
		fmt.Sprintf("Comment %s on the post", x.UniqueString(2)))
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}

	// Step 2: Another user would now like the post.
	p = api.Get("Post", post.Id).SetSource(newUser())
	p.AddChild("Like").Set("thumb", 1)
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Print("Added 1 Comment and 2 Like on Post")

	user = printAndGetUser(uid)
	post = user.Post[0]
	if len(post.Comment) == 0 {
		log.Fatalf("No comment found: %+v", post)
	}
	comment := post.Comment[0]

	// Now another user likes and replies to the comment that was added above.
	// So, it's a comment within a comment.
	p = api.Get("Comment", comment.Id).SetSource(newUser())
	p.AddChild("Like").Set("thumb", 1)
	p.AddChild("Comment").Set("body",
		fmt.Sprintf("Comment %s on comment", x.UniqueString(2)))
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Print("Added Comment on Comment")
	user = printAndGetUser(uid)
	post = user.Post[0]
	if len(post.Comment) == 0 {
		log.Fatalf("No comment found: %+v", post)
	}
	comment = post.Comment[0]
	if len(comment.Like) == 0 {
		log.Fatalf("No like found: %+v", comment)
	}
	like := comment.Like[0]

	// So far we have this structure:
	// User
	//  L Post
	//         L 2 * Like
	//         L Comment
	//            L Comment
	//            L Like

	// This is what most social platforms do. But, let's go
	// one level further, and also comment on the Likes on Comment.
	// User
	//    L Post
	//         L 2 * Like
	//         L Comment
	//            L Comment
	//            L Like
	//                 L Comment

	// Another user Comments on the Like on Comment on Post.

	p = api.Get("Like", like.Id).SetSource(newUser()).
		AddChild("Comment").Set("body",
		fmt.Sprintf("Comment %s on Like", x.UniqueString(2)))
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Print("Added Comment on Like")
	user = printAndGetUser(uid)

	post = user.Post[0]
	if len(post.Comment) == 0 {
		log.Fatalf("No comment found: %+v", post)
	}
	comment = post.Comment[0]
	p = api.Get("Comment", comment.Id).SetSource(newUser()).Set("censored", true)
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	q := api.NewQuery("Comment", comment.Id).UptoDepth(0)
	result, err := q.Run(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	js, err := result.ToJson()
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Printf("\n%s\n%s\n%s\n", sep, string(js), sep)
	user = printAndGetUser(uid)

	post = user.Post[0]
	if len(post.Like) == 0 {
		log.Fatalf("No like found: %+v", post)
	}
	like = post.Like[0]
	p = api.Get("Like", like.Id).SetSource(newUser()).MarkDeleted()
	err = p.Execute(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}

	q = api.NewQuery("User", uid).Collect("Post")
	q.Collect("Like").UptoDepth(10)
	q.Collect("Comment").UptoDepth(10).FilterOut("censored")
	result, err = q.Run(c)
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	js, err = result.ToJson()
	if err != nil {
		log.Fatalf("Error: %v", err)
	}
	fmt.Printf("\n%s\n%s\n%s\n", sep, string(js), sep)
	// By now we have a fairly complex Post structure. CRUD for
	// which would have been a lot of work to put together using
	// typical SQL / NoSQL tables.
}