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@@ -12,4 +12,5 @@ | |
| *.out | ||
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| # Dependency directories (remove the comment below to include it) | ||
| # vendor/ | ||
| vendor/ | ||
| data | ||
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| version: '3.8' | ||
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| services: | ||
| db: | ||
| image: mongo:4.2 | ||
| volumes: | ||
| - ./data/db:/data/db | ||
| ports: | ||
| - "27017:27017" |
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| package main | ||
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| import ( | ||
| "errors" | ||
| "log" | ||
| "net/http" | ||
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| "github.com/TomerHeber/go-short-url" | ||
| "github.com/go-playground/validator/v10" | ||
| "github.com/labstack/echo/v4" | ||
| "github.com/pkg/browser" | ||
| ) | ||
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| type CreateUrlRequest struct { | ||
| Url string `json:"url" validate:"required,url"` | ||
| } | ||
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| type CreateUrlResponse struct { | ||
| ShortUrl string `json:"shortUrl"` | ||
| } | ||
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| type CustomValidator struct { | ||
| validator *validator.Validate | ||
| } | ||
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| func (cv *CustomValidator) Validate(i interface{}) error { | ||
| if err := cv.validator.Struct(i); err != nil { | ||
| return echo.NewHTTPError(http.StatusBadRequest, err.Error()) | ||
| } | ||
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| return nil | ||
| } | ||
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| func main() { | ||
| s, err := short.NewShortener() | ||
| if err != nil { | ||
| log.Fatal(err) | ||
| } | ||
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| e := echo.New() | ||
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| e.Validator = &CustomValidator{validator: validator.New()} | ||
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| e.File("/", "example/public/index.html") | ||
| e.File("/index.html", "example/public/index.html") | ||
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| e.POST("/create", func(c echo.Context) error { | ||
| cur := new(CreateUrlRequest) | ||
| if err := c.Bind(cur); err != nil { | ||
| return echo.NewHTTPError(http.StatusBadRequest, err.Error()) | ||
| } | ||
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| if err := c.Validate(cur); err != nil { | ||
| return err | ||
| } | ||
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| surl, err := s.CreateShortenedUrl(c.Request().Context(), cur.Url) | ||
| if err != nil { | ||
| return echo.NewHTTPError(http.StatusInternalServerError, err.Error()) | ||
| } | ||
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| return c.JSON(http.StatusOK, &CreateUrlResponse{ | ||
| ShortUrl: surl.GetUrl(), | ||
| }) | ||
| }) | ||
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| e.GET("/:id", func(c echo.Context) error { | ||
| id := c.Param("id") | ||
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| if len(id) > 7 { | ||
| return echo.NewHTTPError(http.StatusNotFound) | ||
| } | ||
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| url, err := s.GetUrlFromShortenedUrlId(c.Request().Context(), id) | ||
| if err != nil { | ||
| if errors.Is(err, &short.IdNotFoundError{}) { | ||
| return echo.NewHTTPError(http.StatusNotFound, err.Error()) | ||
| } | ||
| return echo.NewHTTPError(http.StatusInternalServerError, err.Error()) | ||
| } | ||
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| return c.Redirect(http.StatusMovedPermanently, url) | ||
| }) | ||
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| //nolint | ||
| go browser.OpenURL("http://localhost:8080") | ||
| e.Logger.Fatal(e.Start(":8080")) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,54 @@ | ||
| <!DOCTYPE html> | ||
| <html lang="en"> | ||
| <head> | ||
| <meta charset="utf-8"> | ||
| <title>Url Shortner Example</title> | ||
| <script | ||
| src="https://code.jquery.com/jquery-3.6.1.slim.min.js" | ||
| integrity="sha256-w8CvhFs7iHNVUtnSP0YKEg00p9Ih13rlL9zGqvLdePA=" | ||
| crossorigin="anonymous"></script> | ||
| <link href="https://cdn.jsdelivr.net/npm/[email protected]/dist/css/bootstrap.min.css" rel="stylesheet" integrity="sha384-Zenh87qX5JnK2Jl0vWa8Ck2rdkQ2Bzep5IDxbcnCeuOxjzrPF/et3URy9Bv1WTRi" crossorigin="anonymous"> | ||
| </head> | ||
| <body> | ||
| <div class="container"> | ||
| <div class="d-flex pt-5"> | ||
| <input class="form-control" type="text" placeholder="Enter url to shorten (E.g. https://www.google.com)" id="url-input"> | ||
| <button class="btn btn-primary" id="apply-button">Apply</button> | ||
| </div> | ||
| <div class="pt-2"> | ||
| <a href="" target="_blank" id="short-url"></a> | ||
| <span class="text-danger" id="error-span"></span> | ||
| </div> | ||
| </div> | ||
| <script src="https://cdn.jsdelivr.net/npm/[email protected]/dist/js/bootstrap.bundle.min.js" integrity="sha384-OERcA2EqjJCMA+/3y+gxIOqMEjwtxJY7qPCqsdltbNJuaOe923+mo//f6V8Qbsw3" crossorigin="anonymous"></script> | ||
| <script src="https://cdnjs.cloudflare.com/ajax/libs/axios/1.0.0/axios.min.js" integrity="sha512-26uCxGyoPL1nESYXHQ+KUmm3Maml7MEQNWU8hIt1hJaZa5KQAQ5ehBqK6eydcCOh6YAuZjV3augxu/5tY4fsgQ==" crossorigin="anonymous" referrerpolicy="no-referrer"></script> | ||
| <script> | ||
| $(function () { | ||
| $("#apply-button").on("click", function() { | ||
| const self = $(this); | ||
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| self.prop("disabled", true); | ||
| $("#error-span").text(""); | ||
| $("#short-url").text(""); | ||
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| const url = $("#url-input").val(); | ||
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| axios.post("/create", { | ||
| url: url, | ||
| }).then(function (res) { | ||
| const shortUrl = res.data.shortUrl; | ||
| $("#short-url").text(shortUrl).attr("href", shortUrl); | ||
| }).catch(function (err) { | ||
| let data = ""; | ||
| if (err.response && err.response.data) { | ||
| data = err.response.data; | ||
| } | ||
| $("#error-span").text(`${err} ${JSON.stringify(data)}`); | ||
| }).finally(function () { | ||
| self.prop("disabled", false); | ||
| }) | ||
| }); | ||
| }); | ||
| </script> | ||
| </body> | ||
| </html> |
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