Golang models.Context類代碼示例

// Read handles GET
func (ctl *SiteReservedController) Read(c *models.Context) {
	host, exists := c.RouteVars["subdomain"]
	if !exists {
		c.RespondWithErrorMessage("No subdomain query specified", http.StatusBadRequest)
		return
	}

	reserved, err := models.IsReservedSubdomain(host)
	if err != nil {
		c.RespondWithErrorMessage(err.Error(), http.StatusInternalServerError)
		return
	}

	var responseBody string
	if reserved {
		responseBody = `{"reserved":true}`
		c.ResponseWriter.Header().Set("Content-Length", strconv.Itoa(len(responseBody)))
	} else {
		responseBody = `{"reserved":false}`
		c.ResponseWriter.Header().Set("Content-Length", strconv.Itoa(len(responseBody)))
	}

	c.ResponseWriter.Header().Set("Content-Type", "application/json")
	c.ResponseWriter.Header().Set("Access-Control-Allow-Origin", "*")
	c.ResponseWriter.WriteHeader(http.StatusOK)
	c.ResponseWriter.Write([]byte(responseBody))
}

// Update handles PUT
func (ctl *IgnoredController) Update(c *models.Context) {
	m := models.IgnoreType{}
	err := c.Fill(&m)
	if err != nil {
		c.RespondWithErrorMessage(
			fmt.Sprintf("The post data is invalid: %v", err.Error()),
			http.StatusBadRequest,
		)
		return
	}

	if c.Auth.ProfileID < 1 {
		c.RespondWithErrorMessage(h.NoAuthMessage, http.StatusForbidden)
		return
	}

	m.ProfileID = c.Auth.ProfileID
	status, err := m.Update()
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	c.RespondWithOK()
}

// Delete handles DELETE
func (ctl *ProfileController) Delete(c *models.Context) {
	// Right now no-one can delete as it would break attribution
	// of things like Comments
	c.RespondWithNotImplemented()
	return

	/*
		_, itemTypeID, itemID, status, err := c.GetItemTypeAndItemID()
		if err != nil {
			c.RespondWithErrorDetail(err, status)
		}

		m := models.ProfileType{}
		m.Id = itemID

		status, err := m.Delete()
		if err != nil {
			c.RespondWithErrorDetail(err, status)
			return
		}

		audit.Replace(
			c.Site.ID,
			h.ItemTypes[h.ItemTypeProfile],
			m.Id,
			c.Auth.ProfileID,
			time.Now(),
			c.IP,
		)

		c.RespondWithOK()
	*/
}

// Delete handles DELETE
func (ctl *MenuController) Delete(c *models.Context, siteID int64) {
	// Start :: Auth
	site, status, err := models.GetSite(siteID)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	// Use the user ID to check, since the current context is a different site (the root site)
	// than the site the owner profile is associated with.
	owner, status, err := models.GetProfileSummary(site.ID, site.OwnedByID)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	if owner.UserID != c.Auth.UserID {
		c.RespondWithErrorMessage(h.NoAuthMessage, http.StatusForbidden)
		return
	}
	// End :: Auth

	status, err = models.DeleteMenu(siteID)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	c.RespondWithOK()
}

// Read handles GET
func (ctl *PermissionController) Read(c *models.Context) {
	ac, status, err := GetAuthContext(c)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}
	m := models.GetPermission(ac)

	c.RespondWithData(m)
}

// Read handles GET
func (ctl *MenuController) Read(c *models.Context, siteID int64) {

	ems, status, err := models.GetMenu(siteID)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	c.RespondWithData(ems)
}

// Read handles GET
func (ctl *GeoCodeController) Read(c *models.Context) {
	c.ResponseWriter.Header().Set("Content-Type", "application/json")

	// Debugging info
	dur := time.Now().Sub(c.StartTime)

	place := strings.Trim(c.Request.URL.Query().Get("q"), " ")

	if strings.Trim(c.Request.URL.Query().Get("q"), " ") == "" {
		ctl.Error(c, "query needed", http.StatusBadRequest)
		return
	}
	if c.Auth.ProfileID <= 0 {
		ctl.Error(c, "no auth", http.StatusForbidden)
		return
	}

	u, _ := url.Parse("http://open.mapquestapi.com/nominatim/v1/search.php")
	q := u.Query()
	q.Set("format", "json")
	// We are not interested in the array returned, just the best match which is the first response
	q.Set("limit", "1")
	q.Set("q", place)
	u.RawQuery = q.Encode()

	resp, err := http.Get(u.String())
	if err != nil {
		ctl.Error(c, err.Error(), http.StatusInternalServerError)
		return
	}
	defer resp.Body.Close()

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		ctl.Error(c, err.Error(), http.StatusInternalServerError)
		return
	}

	// Again, not interested in the outer array [], so we substring that out
	t := string(body)
	t = t[1 : len(t)-1]

	// But if we now have nothing (no matches were found, we need to return an empty object)
	if strings.Trim(t, ` `) == `` {
		t = `{}`
	}
	body = []byte(t)

	// Return our JavaScript object
	contentLength := len(body)
	c.ResponseWriter.Header().Set("Content-Length", strconv.Itoa(contentLength))
	go models.SendUsage(c, http.StatusOK, contentLength, dur, []string{})

	c.WriteResponse([]byte(body), http.StatusOK)
}

// ReadMany handles GET
func (ctl *EventsController) ReadMany(c *models.Context) {

	// Start Authorisation
	perms := models.GetPermission(
		models.MakeAuthorisationContext(
			c, 0, h.ItemTypes[h.ItemTypeEvent], 0),
	)
	if !perms.CanRead {
		c.RespondWithErrorMessage(h.NoAuthMessage, http.StatusForbidden)
		return
	}
	// End Authorisation

	// Fetch query string args if any exist
	query := c.Request.URL.Query()

	limit, offset, status, err := h.GetLimitAndOffset(query)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	attending, status, err := h.GetAttending(query)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	ems, total, pages, status, err := models.GetEvents(c.Site.ID, c.Auth.ProfileID, attending, limit, offset)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	// Construct the response
	thisLink := h.GetLinkToThisPage(*c.Request.URL, offset, limit, total)

	m := models.EventsType{}
	m.Events = h.ConstructArray(
		ems,
		h.APITypeEvent,
		total,
		limit,
		offset,
		pages,
		c.Request.URL,
	)
	m.Meta.Links =
		[]h.LinkType{
			h.LinkType{Rel: "self", Href: thisLink.String()},
		}
	m.Meta.Permissions = perms

	c.RespondWithData(m)
}

// Read handles GET
func (ctl *AuthController) Read(c *models.Context) {
	// Extract access token from request and retrieve its metadata
	m, status, err := models.GetAccessToken(c.RouteVars["id"])
	if err != nil {
		c.RespondWithErrorMessage(
			fmt.Sprintf("Error retrieving access token: %v", err.Error()),
			status,
		)
		return
	}
	c.RespondWithData(m)
}

// Error is a generic error handler for the Geo controller
func (ctl *GeoCodeController) Error(c *models.Context, message string, status int) {
	errorJSON := `{"error":["` + message + `"]}`

	contentLength := len(errorJSON)
	c.ResponseWriter.Header().Set("Content-Length", strconv.Itoa(contentLength))

	dur := time.Now().Sub(c.StartTime)
	go models.SendUsage(c, status, contentLength, dur, []string{"message"})

	c.WriteResponse([]byte(errorJSON), status)
	return
}

// Read handles GET
func (ctl *SearchController) Read(c *models.Context) {
	results, status, err := models.Search(
		c.Site.ID,
		*c.Request.URL,
		c.Auth.ProfileID,
	)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	c.RespondWithData(results)
}

// Create handles GET
func (ctl *MicrocosmsController) Create(c *models.Context) {
	// Validate inputs
	m := models.MicrocosmType{}
	err := c.Fill(&m)
	if err != nil {
		c.RespondWithErrorMessage(
			fmt.Sprintf("The post data is invalid: %v", err.Error()),
			http.StatusBadRequest,
		)
		return
	}

	// Start : Authorisation
	perms := models.GetPermission(
		models.MakeAuthorisationContext(c, 0, h.ItemTypes[h.ItemTypeSite], c.Site.ID),
	)
	if !perms.CanCreate {
		c.RespondWithErrorMessage(h.NoAuthMessage, http.StatusForbidden)
		return
	}
	// End : Authorisation

	// Populate where applicable from auth and context
	m.SiteID = c.Site.ID
	m.Meta.CreatedByID = c.Auth.ProfileID
	m.Meta.Created = time.Now()
	m.OwnedByID = c.Auth.ProfileID

	status, err := m.Insert()
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	audit.Create(
		c.Site.ID,
		h.ItemTypes[h.ItemTypeMicrocosm],
		m.ID,
		c.Auth.ProfileID,
		time.Now(),
		c.IP,
	)

	c.RespondWithSeeOther(
		fmt.Sprintf(
			"%s/%d",
			h.APITypeMicrocosm,
			m.ID,
		),
	)
}

// Update handles PUT
func (ctl *ProfileOptionsController) Update(c *models.Context) {
	var m = models.ProfileOptionType{}
	err := c.Fill(&m)
	if err != nil {
		c.RespondWithErrorMessage(
			fmt.Sprintf("The post data is invalid: %v", err.Error()),
			http.StatusBadRequest,
		)
		return
	}

	// Profile ID cannot be changed
	m.ProfileID = c.Auth.ProfileID

	status, err := m.Update()
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	audit.Update(
		c.Site.ID,
		h.ItemTypes[h.ItemTypeProfile],
		m.ProfileID,
		c.Auth.ProfileID,
		time.Now(),
		c.IP,
	)

	// Respond
	c.RespondWithSeeOther(
		fmt.Sprintf("/api/v1/profiles/options"),
	)
}

// Read handles GET either by /site or /sites/{site_id}
func (ctl *SiteController) Read(c *models.Context) {
	// Check whether this site is being accessed by ID
	siteQuery, exists := c.RouteVars["site_id"]
	if exists {
		siteID, err := strconv.ParseInt(siteQuery, 10, 64)
		if err != nil {
			c.RespondWithErrorMessage(
				fmt.Sprintf("The supplied site ID ('%s') is not a number.", siteQuery),
				http.StatusBadRequest,
			)
			return
		}

		site, status, err := models.GetSite(siteID)
		if err != nil {
			c.RespondWithErrorMessage(
				fmt.Sprintf("No site with ID %d found", siteID),
				status,
			)
			return
		}

		c.RespondWithData(site)
		return

	}

	// Site already populated in context, so only fetch permissions
	c.Site.Meta.Permissions = models.GetPermission(
		models.MakeAuthorisationContext(
			c, 0, h.ItemTypes[h.ItemTypeSite], c.Site.ID),
	)
	c.RespondWithData(c.Site)
	return
}

// ReadMany handles GET for the collection
func (ctl *AttachmentsController) ReadMany(c *models.Context) {
	itemTypeID, itemID, perms, status, err := ParseItemInfo(c)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	if !perms.CanRead {
		c.RespondWithErrorMessage(
			h.NoAuthMessage,
			http.StatusForbidden,
		)
		return
	}

	query := c.Request.URL.Query()

	limit, offset, status, err := h.GetLimitAndOffset(query)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	attachments, total, pages, status, err := models.GetAttachments(itemTypeID, itemID, limit, offset)
	if err != nil {
		c.RespondWithErrorDetail(err, status)
		return
	}

	thisLink := h.GetLinkToThisPage(*c.Request.URL, offset, limit, total)

	m := models.AttachmentsType{}
	m.Attachments = h.ConstructArray(
		attachments,
		h.APITypeAttachment,
		total,
		limit,
		offset,
		pages,
		c.Request.URL,
	)
	m.Meta.Links =
		[]h.LinkType{
			h.LinkType{Rel: "self", Href: thisLink.String()},
		}
	m.Meta.Permissions = perms

	c.RespondWithData(m)
}