Golang User.Interests方法代码示例

//.........这里部分代码省略.........

		// Only want to generate an image upload user if it is the user's profile page
		var imageUploadUrl string
		if userIsOwner {
			// The user's profile images need to be POSTed to specific appengine blobstore "action" paths.
			// Have to specify a path to return to after the post succeeds
			imageUpload, err := blobstore.UploadURL(ctx, r.URL.Path, nil)
			if err != nil {
				api.ApiErrorResponse(w, "Could not generate blobstore upload: "+err.Error(), http.StatusInternalServerError)
				return
			}
			imageUploadUrl = imageUpload.Path
		}

		// Get a count of all favorites received on all simulations created by this user
		q := datastore.NewQuery("Simulation").KeysOnly().Filter("AuthorKeyName =", userKeyName)
		simKeys, err := q.GetAll(ctx, &empty) // Get all simulation keys made by this user
		if err != nil {
			controllers.ErrorHandler(w, r, err.Error(), http.StatusInternalServerError)
			return
		}

		// Get a count of all of the favorites received for each simulation and add to total
		for _, key := range simKeys {
			q := datastore.NewQuery("Rating").Ancestor(key)
			simFaves, err := q.Count(ctx)
			if err != nil {
				controllers.ErrorHandler(w, r, err.Error(), http.StatusInternalServerError)
				return
			}

			totalFavoritesReceived += simFaves
		}

		data := map[string]interface{}{
			"user":                   pageUser,
			"userJoinDate":           prettyJoinDate,
			"userProfileImageSrc":    userProfileImageSrc,
			"imageUploadUrl":         imageUploadUrl,
			"userIsOwner":            userIsOwner,
			"simulations":            simulations,
			"totalFavoritesReceived": totalFavoritesReceived,
		}

		controllers.BaseHandler(w, r, "user/profile", data)
		return
	}

	// When a user tries to post information
	if r.Method == "POST" {
		// Make sure only the owner is trying to update the information
		if !userIsOwner {
			controllers.ErrorHandler(w, r, "Unauthorized update attempt: "+err.Error(), http.StatusInternalServerError)
			return
		}

		// Get all of the form values and blob image from the post
		blobs, formValues, err := blobstore.ParseUpload(r)
		if err != nil {
			controllers.ErrorHandler(w, r, "Bad blobstore form parse: "+err.Error(), http.StatusInternalServerError)
			return
		}

		// Only update the profile image if they posted a new one
		newImage := blobs["ProfileImage"]
		if len(newImage) != 0 {
			// Delete the old profile photo if they already had one
			err = blobstore.Delete(ctx, pageUser.ImageBlobKey)
			if err != nil {
				api.ApiErrorResponse(w, "Can't delete the blobstore image: "+err.Error(), http.StatusInternalServerError)
				return
			}

			pageUser.ImageBlobKey = newImage[0].BlobKey
		}

		displayName := formValues["DisplayName"][0]
		if len(displayName) > 50 {
			api.ApiErrorResponse(w, "Your Display Name must be shorter than 50 characters.", http.StatusInternalServerError)
			return
		}

		interests := formValues["Interests"][0]
		if len(interests) > 1500 {
			api.ApiErrorResponse(w, "Your Interests must be shorter than 1500 characters.", http.StatusInternalServerError)
			return
		}

		// Update user information
		pageUser.DisplayName = displayName
		pageUser.Interests = interests

		_, err = datastore.Put(ctx, pageUserKey, &pageUser)
		if err != nil {
			// Could not place the user in the datastore
			controllers.ErrorHandler(w, r, "Could not save user data: "+err.Error(), http.StatusInternalServerError)
			return
		}
	}
}